Разработка модулей для Magento 1.x — большой гайд + видео

    server {
    listen 80;
    server_name $http_host;
    root /var/www/$http_host;

    location / {
    index index.html index.php;
    try_files $uri $uri/ @handler;
    expires 30d;
    }

    location  /. {
    return 404;
    }

    location @handler {
    rewrite / /index.php;
    }

    location ~ .php/ {
    rewrite ^(.*.php)/ $1 last;
    }

    location ~ .php$ {
    if (!-e $request_filename) { rewrite / /index.php last; }

    expires        off;
    fastcgi_pass unix:/run/php/php7.0-fpm.sock;
    fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
    fastcgi_param  SCRIPT_NAME  $document_root$fastcgi_script_name;
    fastcgi_param  MAGE_RUN_TYPE store;
    include        fastcgi_params;
    }
    }

    

    # Magento Vars

    #
    # Example configuration:
    upstream fastcgi_backend {
    server   unix:unix:/run/php/php7.0-fpm.sock;
    }
    server {
    set $MAGE_ROOT /var/www/m2.dev;
    set $MAGE_MODE default; # or production or developer
    listen 80;
    server_name m2.dev;
    root /var/www/m2.dev/pub;

    index index.php;
    autoindex off;
    charset off;

    add_header 'X-Content-Type-Options' 'nosniff';
    add_header 'X-XSS-Protection' '1; mode=block';

    location /setup {
    root $MAGE_ROOT;
    location ~ ^/setup/index.php {
    fastcgi_pass   fastcgi_backend;
    fastcgi_index  index.php;
    fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
    include        fastcgi_params;
    }

    location ~ ^/setup/(?!pub/). {
    deny all;
    }

    location ~ ^/setup/pub/ {
    add_header X-Frame-Options "SAMEORIGIN";
    }
    }

    location /update {
    root $MAGE_ROOT;

    location ~ ^/update/index.php {
    fastcgi_split_path_info ^(/update/index.php)(/.+)$;
    fastcgi_pass   fastcgi_backend;
    fastcgi_index  index.php;
    fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
    fastcgi_param  PATH_INFO        $fastcgi_path_info;
    include        fastcgi_params;
    }

    # deny everything but index.php
    location ~ ^/update/(?!pub/). {
    deny all;
    }

    location ~ ^/update/pub/ {
    add_header X-Frame-Options "SAMEORIGIN";
    }
    }

    location / {
    try_files $uri $uri/ /index.php?$args;
    }

    location /pub {
    location ~ ^/pub/media/(downloadable|customer|import|theme_customization/.*.xml) {
    deny all;
    }
    alias $MAGE_ROOT/pub;
    add_header X-Frame-Options "SAMEORIGIN";
    }

    location /static/ {
    if ($MAGE_MODE = "production") {
    expires max;
    }
    location ~* .(ico|jpg|jpeg|png|gif|svg|js|css|swf|eot|ttf|otf|woff|woff2)$ {
    add_header Cache-Control "public";
    add_header X-Frame-Options "SAMEORIGIN";
    expires +1y;

    if (!-f $request_filename) {
    rewrite ^/static/(versiond*/)?(.*)$ /static.php?resource=$2 last;
    }
    }
    location ~* .(zip|gz|gzip|bz2|csv|xml)$ {
    add_header Cache-Control "no-store";
    add_header X-Frame-Options "SAMEORIGIN";
    expires    off;

    if (!-f $request_filename) {
    rewrite ^/static/(versiond*/)?(.*)$ /static.php?resource=$2 last;
    }
    }
    if (!-f $request_filename) {
    rewrite ^/static/(versiond*/)?(.*)$ /static.php?resource=$2 last;
    }
    add_header X-Frame-Options "SAMEORIGIN";
    }

    location /media/ {
    try_files $uri $uri/ /get.php?$args;

    location ~ ^/media/theme_customization/.*.xml {
    deny all;
    }

    location ~* .(ico|jpg|jpeg|png|gif|svg|js|css|swf|eot|ttf|otf|woff|woff2)$ {
    add_header Cache-Control "public";
    add_header X-Frame-Options "SAMEORIGIN";
    expires +1y;
    try_files $uri $uri/ /get.php?$args;
    }
    location ~* .(zip|gz|gzip|bz2|csv|xml)$ {
    add_header Cache-Control "no-store";
    add_header X-Frame-Options "SAMEORIGIN";
    expires    off;
    try_files $uri $uri/ /get.php?$args;
    }
    add_header X-Frame-Options "SAMEORIGIN";
    }

    location /media/customer/ {
    deny all;
    }

    location /media/downloadable/ {
    deny all;
    }

    location /media/import/ {
    deny all;
    }

    location ~ cron.php {
    deny all;
    }

    location ~ (index|get|static|report|404|503).php$ {
    try_files $uri =404;
    fastcgi_pass   fastcgi_backend;

    fastcgi_param  PHP_FLAG  "session.auto_start=off n suhosin.session.cryptua=off";
    fastcgi_param  PHP_VALUE "memory_limit=256M n max_execution_time=600";
    fastcgi_read_timeout 600s;
    fastcgi_connect_timeout 600s;
    fastcgi_param  MAGE_MODE $MAGE_MODE;

    fastcgi_index  index.php;
    fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
    include        fastcgi_params;
    }
    }

    

    server {
    listen 80;
    server_name pma myadmin;
    root /usr/share/phpmyadmin/;
    index index.php;

    location /setup/index.php {
    deny all;
    }
    location ~ .php$ {
    if (!-e $request_filename) { rewrite / /index.php last; }

    expires        off;
    fastcgi_pass unix:/run/php/php7.0-fpm.sock;
    fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
    fastcgi_param  SCRIPT_NAME  $document_root$fastcgi_script_name;
    fastcgi_param  MAGE_RUN_TYPE store;
    include        fastcgi_params;
    }
    include        fastcgi_params;
    }
    

    [global]
    workgroup = WORKGROUP

    server string = %h server (Samba, Ubuntu)

    dns proxy = no

    log file = /var/log/samba/log.%m

    max log size = 1000

    syslog = 0

    panic action = /usr/share/samba/panic-action %d

    server role = standalone server
    passdb backend = tdbsam

    obey pam restrictions = yes

    unix password sync = yes

    passwd program = /usr/bin/passwd %u
    passwd chat = *Entersnews*spassword:* %nn *Retypesnews*spassword:* %nn *passwordsupdatedssuccessfully* .

    pam password change = yes

    map to guest = bad user
    null passwords = Yes
    guest account = www-data

    [www]
    path = /var/www/
    comment = WWW folder
    guest ok = yes
    browseable = yes
    read only = no
    locking = no
    force user = www-data
    force group = www-data
    

    <?xml version="1.0" ?>
    <config>
        <modules>
            <IGN_Siteblocks>
                <active>true</active> <!-- модуль включен -->
                <codePool>local</codePool>
            </IGN_Siteblocks>
        </modules>
    </config>
    

    <?xml version="1.0" ?>
    <config>
        <modules>
            <IGN_Siteblocks>
                <version>1.0.0</version>
            </IGN_Siteblocks>
        </modules>
        <global>
            <!-- Тут будут модели, блоки, хелперы, реврайты, глобальные обсерверы -->
        </global>
        <frontend>
            <!-- Все касательно frontend части магазина: роуты, макеты, переводы, обсерверы -->
        </frontend>
        <admin>
            <!-- Все касательно admin части магазина: роуты, макеты, переводы-->
        </admin>
        <adminhtml>
            <!-- Все касательно admin части магазина:  макеты, переводы, обсерверы -->
        </adminhtml>
        <defalut>
            <!-- Все касательно admin части магазина:  макеты, переводы, обсерверы -->
        </defalut>
    </config>
    

zend_extension = xdebug.so
xdebug.idekey = "PHPSTORM"
xdebug.remote_autostart = 1
xdebug.remote_connect_back = 1
xdebug.remote_enable = 1
xdebug.remote_port = 9000

    <?xml version="1.0" ?>
    <config>
        <modules>
            <IGN_Siteblocks>
                <version>1.0.0</version>
            </IGN_Siteblocks>
        </modules>
        <global>
            <models>
                <siteblocks> <!-- Как правило тут namespace_modulename или просто modulename -->
                    <class>IGN_Siteblocks_Model</class>
                    <resourceModel>siteblocks_resource</resourceModel>
                </siteblocks>
                <siteblocks_resource>
                    <class>IGN_Siteblocks_Resource</class>
                    <entities>
                        <block> <!-- наименование модели -->
                            <table>ign_siteblock</table> <!-- название таблицы к которой будет "привязана" модель -->
                        </block>
                    </entities>
                </siteblocks_resource>
            </models>
            <resources>
                <siteblocks_setup> <!-- именно в папку с таким названием нужно складывать install и upgrade скрипты -->
                    <setup>
                        <module>IGN_Siteblocks</module>
                    </setup>
                </siteblocks_setup>
            </resources>
        </global>
        <frontend>

        </frontend>
        <admin>

        </admin>
        <defalut>

        </defalut>
    </config>
    

    <?php
class IGN_Siteblocks_Model_Block extends Mage_Core_Model_Abstract {

    public function _construct()
    {
        parent::_construct();
        $this->_init('siteblocks/block'); //Все в соотвествии с указанными в config.xml параметрами
    }
    }
    

    <?php
class IGN_Siteblocks_Model_Resource_Block extends 
Mage_Core_Model_Mysql4_Abstract {

    public function _construct()
    {
        $this->_init('siteblocks/block','block_id'); //block_id это наш PRIMARY KEY в таблице, по умолчанию entity_id
    }

    }
    

    <?php
class IGN_Siteblocks_Model_Resource_Block_Collection extends Mage_Core_Model_Mysql4_Collection_Abstract {

    public function _construct()
    {
        parent::_construct();
        $this->_init('siteblocks/block');
    }
    }
    

    <?php
/** @var Mage_Core_Model_Resource_Setup $installer */
$installer = $this;
$installer->startSetup();

    $installer->run("
    CREATE TABLE IF NOT EXISTS `{$this->getTable('siteblocks/block')}` (
    `block_id` int(11) NOT NULL AUTO_INCREMENT,
    `title` varchar(500) NOT NULL,
    `content` text NOT NULL,
    `block_status` tinyint(4) NOT NULL,
    `created_at` datetime NOT NULL,
    PRIMARY KEY (`block_id`)
    ) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;
    ");

    //Альтернативный способ создания таблицы
    $table = $installer->getConnection()
    ->newTable($this->getTable('siteblocks/block'))
    ->addColumn('block_id',Varien_Db_Ddl_Table::TYPE_INTEGER,null,array(
    'identity' => true,
    'unsigned' => true,
    'nullable' => false,
    'primary'  => true
    ))
    ->addColumn('title',Varien_Db_Ddl_Table::TYPE_VARCHAR,null,array(
    'nullable' => false
    ))
    ->addColumn('content',Varien_Db_Ddl_Table::TYPE_TEXT,null,array(
    'nullable' => false
    ))
    ->addColumn('block_status',Varien_Db_Ddl_Table::TYPE_TINYINT,null,array(
    'nullable' => false
    ))
    ->addColumn('created_at',Varien_Db_Ddl_Table::TYPE_DATETIME,null,array(
    'nullable' => false
    ));

    $installer->endSetup();
    

    //Загрузить объект из таблицы block_id = 1
    $block = Mage::getModel('siteblocks/block')->load(1);

    //Удалить блок
    $block->delete();

    //Cохранить
    $block->save();

    //удалить блок не делая его загрузки из базы
    Mage::getModel('siteblocks/block')->setId(1)->delete();

    //Загрузить коллекцию блоков из таблицы
    $blocks = Mage::getModel('siteblocks/block')->getCollection();

    //Коллекция блоков где block_id = 1, 2 и 3
    $blocks->addFieldToFilter('block_id',array('in'=>array(1,2,3))) ;

    echo $blocks->getSelect(); //выведет сформировавшийся SQL запрос

    //Альтернативный способ загрузки коллекции
    $blocks = Mage::getResourceModel('siteblocks/block_collection');
    

    <?xml version="1.0" ?>
    <config>
        <modules>
            <IGN_Siteblocks>
                <version>1.0.0</version>
            </IGN_Siteblocks>
        </modules>
        <global>
            <models>
                <siteblocks>
                    <class>IGN_Siteblocks_Model</class>
                    <resourceModel>siteblocks_resource</resourceModel>
                </siteblocks>
                <siteblocks_resource>
                    <class>IGN_Siteblocks_Resource</class>
                    <entities>
                        <block>
                            <table>ign_siteblock</table>
                        </block>
                    </entities>
                </siteblocks_resource>
            </models>
            <resources>
                <siteblocks_setup>
                    <setup>
                        <module>IGN_Siteblocks</module>
                    </setup>
                </siteblocks_setup>
            </resources>
        </global>
        <frontend>
            <routers>
                <siteblocks>
                    <use>standard</use>
                    <args>
                        <module>IGN_Siteblocks</module>
                        <frontName>siteblocks</frontName><!-- любое название, не конфликтуйте с существующими роутерами -->
                    </args>
                </siteblocks>
            </routers>
        </frontend>
        <admin>
            <routers>
                <adminhtml>
                    <args>
                        <modules>
                            <siteblocks after="Mage_Adminhtml">IGN_Siteblocks_Adminhtml</siteblocks>
                        </modules>
                    </args>
                </adminhtml>
            </routers>
        </admin>
        <default>

        </default>
    </config>
    

<?php
class IGN_Siteblocks_TestController extends Mage_Core_Controller_Front_Action {

    public function mytestAction()
    {
        die('test');
    }
}

<?php
class IGN_Siteblocks_Adminhtml_TestController extends Mage_Adminhtml_Controller_Action {

    public function mytestAction()
    {
        die('admin');
    }
}

<?php
class IGN_Siteblocks_Adminhtml_Siteblocks_TestController extends Mage_Adminhtml_Controller_Action {

    public function mytestAction()
    {
        die('admin');
    }
}

<?php
class IGN_Siteblocks_Helper_Data extends Mage_Core_Helper_Abstract {

}

<?xml version="1.0" ?>
<config>
    <modules>
        <IGN_Siteblocks>
            <version>1.0.0</version>
        </IGN_Siteblocks>
    </modules>
    <global>
        <models>
            <siteblocks>
                <class>IGN_Siteblocks_Model</class>
                <resourceModel>siteblocks_resource</resourceModel>
            </siteblocks>
            <siteblocks_resource>
                <class>IGN_Siteblocks_Resource</class>
                <entities>
                    <block>
                        <table>ign_siteblock</table>
                    </block>
                </entities>
            </siteblocks_resource>
        </models>
        <resources>
            <siteblocks_setup>
                <setup>
                    <module>IGN_Siteblocks</module>
                </setup>
            </siteblocks_setup>
        </resources>
        <helpers>
            <siteblocks>
                <class>IGN_Siteblocks_Helper</class>
            </siteblocks>
        </helpers>
    </global>
    <frontend>
        <routers>
            <siteblocks>
                <use>standard</use>
                <args>
                    <module>IGN_Siteblocks</module>
                    <frontName>siteblocks</frontName>
                </args>
            </siteblocks>
        </routers>
        <translate>
            <modules>
                <IGN_Siteblocks>
                    <files>
                        <default>IGN_Siteblocks.csv</default>
                    </files>
                </IGN_Siteblocks>
            </modules>
        </translate>
    </frontend>
    <admin>
        <routers>
            <adminhtml>
                <args>
                    <modules>
                        <siteblocks after="Mage_Adminhtml">IGN_Siteblocks_Adminhtml</siteblocks>
                    </modules>
                </args>
            </adminhtml>
        </routers>
    </admin>
    <defalut>

    </defalut>
</config>

<?xml version="1.0" ?>
<config>
    <modules>
        <IGN_Siteblocks>
            <version>1.0.0</version>
        </IGN_Siteblocks>
    </modules>
    <global>
        <models>
            <siteblocks>
                <class>IGN_Siteblocks_Model</class>
                <resourceModel>siteblocks_resource</resourceModel>
            </siteblocks>
            <siteblocks_resource>
                <class>IGN_Siteblocks_Resource</class>
                <entities>
                    <block>
                        <table>ign_siteblock</table>
                    </block>
                </entities>
            </siteblocks_resource>
        </models>
        <resources>
            <siteblocks_setup>
                <setup>
                    <module>IGN_Siteblocks</module>
                </setup>
            </siteblocks_setup>
        </resources>
        <helpers>
            <siteblocks>
                <class>IGN_Siteblocks_Helper</class>
            </siteblocks>
        </helpers>
    </global>
    <frontend>
        <routers>
            <siteblocks>
                <use>standard</use>
                <args>
                    <module>IGN_Siteblocks</module>
                    <frontName>siteblocks</frontName>
                </args>
            </siteblocks>
        </routers>
        <translate>
            <modules>
                <IGN_Siteblocks>
                    <files>
                        <default>IGN_Siteblocks.csv</default>
                    </files>
                </IGN_Siteblocks>
            </modules>
        </translate>
    </frontend>
    <admin>
        <routers>
            <adminhtml>
                <args>
                    <modules>
                        <siteblocks after="Mage_Adminhtml">IGN_Siteblocks_Adminhtml</siteblocks>
                    </modules>
                </args>
            </adminhtml>
        </routers>
    </admin>
    <defalut>
<siteblocks>
                <settings>
                    <enabled>1</enabled>
                    <block_count>10</block_count>
                </settings>
            </siteblocks>
    </defalut>
</config>

<?xml version="1.0"?>
<config>
    <acl>
        <resources>
            <admin>
                <children>
                    <system>
                        <children>
                            <config>
                                <children>
                                    <siteblocks translate="title" module="siteblocks">
                                        <title>Siteblocks</title>
                                    </siteblocks>
                                </children>
                            </config>
                        </children>
                    </system>
                </children>
            </admin>
        </resources>
    </acl>
</config>

<?xml version="1.0"?>
<config>
    <tabs> 
        <ign translate="label" module="siteblocks"> <!-- Добавим свою вкладку в меню слева-->
            <label>IGN</label>
            <sort_order>2</sort_order>
        </ign>
    </tabs>
    <sections>
        <siteblocks module="siteblocks" translate="label">
            <label>Siteblocks</label>
            <tab>ign</tab> <!-- В какой вкладке вывести наши настройки -->
            <frontend>text</frontend>
            <sort_order>1</sort_order>
            <show_in_default>1</show_in_default>
            <show_in_website>1</show_in_website>
            <show_in_store>1</show_in_store>
            <groups>
                <settings module="siteblocks" translate="label">
                    <label>Settings</label>
                    <expanded>1</expanded>
                    <sort_order>1</sort_order>
                    <show_in_default>1</show_in_default>
                    <show_in_Website>1</show_in_Website>
                    <show_in_store>1</show_in_store>
                    <fields>
                        <enabled translate="label comment" module="siteblocks">
                            <label>Enabled</label>
                            <frontend_type>select</frontend_type> <!-- существующие типы можем посмотреть в папке lib/Varien/Data/Form/Element -->
                            <source_model>siteblocks/source_status</source_model> <!-- используется для вывода опций -->
                            <sort_order>1</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_Website>1</show_in_Website>
                            <show_in_store>1</show_in_store>
                            <comment>Is module enabled</comment>
                        </enabled>
                        <blocks_count>
                            <label>Blocks on page</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>2</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_Website>1</show_in_Website>
                            <show_in_store>1</show_in_store>
                            <depends><enabled>1</enabled></depends> <!-- Так можно указать зависимость от значения другого поля -->
                        </blocks_count>
                        <raw_text>
                            <label>Raw text</label>
                            <frontend_type>textarea</frontend_type>
                            <sort_order>3</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_Website>1</show_in_Website>
                            <show_in_store>1</show_in_store>
                            <depends><enabled>1</enabled></depends>
                        </raw_text>
                    </fields>
                </settings>
            </groups>
        </siteblocks>
    </sections>
</config>

<?php
class IGN_Siteblocks_Model_Source_Status
{
    const ENABLED = '1';
    const DISABLED = '0';

    /**
     * Options getter
     *
     * @return array
     */
    public function toOptionArray()
    {
        return array(
            array('value' => self::ENABLED, 'label'=>Mage::helper('siteblocks')->__('Enabled')),
            array('value' => self::DISABLED, 'label'=>Mage::helper('siteblocks')->__('Disabled')),
        );
    }

    /**
     * Get options in "key-value" format
     *
     * @return array
     */
    public function toArray()
    {
        return array(
            self::DISABLED => Mage::helper('siteblocks')->__('Disabled'),
            self::ENABLED => Mage::helper('siteblocks')->__('Enabled'),
        );
    }

<?php
class IGN_Siteblocks_Block_List extends Mage_Core_Block_Template {

    public function getBlocks()
    {
        //return Mage::getResourceModel('siteblocks/block_collection');
        return Mage::getModel('siteblocks/block')->getCollection()
            ->addFieldToFilter('block_status',array('eq'=>IGN_Siteblocks_Model_Source_Status::ENABLED));
    }
}

<?xml version="1.0"?>
<layout version="1.0.0">
    <siteblocks_index_index> <!-- это соответствует URL example.com/siteblocks/index/index -->
        <reference name="head">
            <action method="setTitle">
                <title>My Siteblocks</title>
            </action>
        </reference>
        <reference name="content">
            <block name="siteblocks.list" as="siteblocks" type="siteblocks/list" template="siteblocks/list.phtml"/>
        </reference>
    </siteblocks_index_index>

    <catalog_category_default> <!-- это уже существующий handle и мы можем добавить свой блок для вывода на этой странице -->
        <reference name="left">
            <block name="siteblocks.list" as="siteblocks" type="siteblocks/list" template="siteblocks/list.phtml"/>
        </reference>
        <reference name="right">
            <block name="siteblocks.list" as="siteblocks" type="siteblocks/list" template="siteblocks/list.phtml"/>
        </reference>
    </catalog_category_default>

    <catalog_product_view> <!-- Добавим вывод нашего блока на странице товара -->
        <reference name="product.info.extrahint"> <!-- этот блок уже задекларирован в другом макете catalog.xml и мы добавляем свой блок для вывода внутри этого -->
            <block name="siteblocks.list" before="-" as="siteblocks" type="siteblocks/list" template="siteblocks/list.phtml"/>
        </reference>
    </catalog_product_view>
</layout>

<?php foreach($this->getBlocks() as $block):?>
    <div class="siteblock">
        <div class="block-title"><?php echo $block->getTitle()?></div>
        <div class="block-content"><?php echo $block->getContent()?></div>
    </div>
<?php endforeach;?>

<?php
class IGN_Siteblocks_IndexController extends Mage_Core_Controller_Front_Action {

    public function indexAction()
    {
        $this->loadLayout(); #загружаем макеты
        $this->renderLayout(); #выводим html
    }
}

<?xml version="1.0"?>
<config>
    <acl>
        <resources>
            <admin>
                <children>
                    <system>
                        <children>
                            <config>
                                <children>
                                    <siteblocks translate="title" module="siteblocks">
                                        <title>Siteblocks</title>
                                    </siteblocks>
                                </children>
                            </config>
                        </children>
                    </system>
                    <cms>
                        <children>
                            <siteblocks translate="title" module="siteblocks">
                                <title>Siteblocks</title>
                            </siteblocks>
                        </children>
                    </cms>
                </children>
            </admin>
        </resources>
    </acl>
    <menu>
        <cms> <!-- Раздел в котором мы добавим свой пункт -->
            <children>
                <siteblocks translate="title" module="siteblocks">
                    <title>Siteblocks</title>
                    <action>adminhtml/siteblocks</action> <!-- На какой контроллер ведет этот пункт меню, index в этом случае я опустил -->
                    <sort_order>20</sort_order>
                </siteblocks>
            </children>
        </cms>
    </menu>
</config>

<?php
class IGN_Siteblocks_Adminhtml_SiteblocksController extends Mage_Adminhtml_Controller_Action {

    public function indexAction()
    {
        $this->loadLayout();
        $this->_addContent($this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks'));
        $this->renderLayout();
    }
}

<?php

class IGN_Siteblocks_Block_Adminhtml_Siteblocks extends Mage_Adminhtml_Block_Widget_Grid_Container
{

    public function __construct()
    {
        $this->_controller = 'adminhtml_siteblocks';
        $this->_blockGroup = 'siteblocks';
        $this->_headerText = Mage::helper('siteblocks')->__('Siteblocks');
        $this->_addButtonLabel = Mage::helper('siteblocks')->__('Add New Block');
        parent::__construct();
    }
}

<?php

class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Grid extends Mage_Adminhtml_Block_Widget_Grid
{

    public function __construct()
    {
        parent::__construct();
        $this->setId('cmsBlockGrid');
        $this->setDefaultSort('block_identifier');
        $this->setDefaultDir('ASC');
    }

    protected function _prepareCollection()
    {
        $collection = Mage::getModel('siteblocks/block')->getCollection();
        /* @var $collection Mage_Cms_Model_Mysql4_Block_Collection */
        $this->setCollection($collection);
        return parent::_prepareCollection();
    }

    protected function _prepareColumns()
    {

        $this->addColumn('title', array(
            'header'    => Mage::helper('siteblocks')->__('Title'),
            'align'     => 'left',
            'index'     => 'title',
        ));

        $this->addColumn('block_status', array(
            'header'    => Mage::helper('cms')->__('Status'),
            'align'     => 'left',
            'type'      => 'options',
            'options'   => Mage::getModel('siteblocks/source_status')->toArray(),
            'index'     => 'block_status'
        ));


        $this->addColumn('created_at', array(
            'header'    => Mage::helper('siteblocks')->__('Created At'),
            'index'     => 'created_at',
            'type'      => 'date',

        ));


        return parent::_prepareColumns();
    }

    protected function _prepareMassaction()
    {
        $this->setMassactionIdField('block_id');
        $this->getMassactionBlock()->setIdFieldName('block_id');
        $this->getMassactionBlock()
            ->addItem('delete',
                array(
                    'label' => Mage::helper('siteblocks')->__('Delete'),
                    'url' => $this->getUrl('*/*/massDelete'),
                    'confirm' => Mage::helper('siteblocks')->__('Are you sure?')
                )
            )
            ->addItem('status',
                array(
                    'label' => Mage::helper('siteblocks')->__('Update status'),
                    'url' => $this->getUrl('*/*/massStatus'),
                    'additional' =>
                        array('block_status'=>
                        array(
                            'name' => 'block_status',
                            'type' => 'select',
                            'class' => 'required-entry',
                            'label' => Mage::helper('siteblocks')->__('Status'),
                            'values' => Mage::getModel('siteblocks/source_status')->toOptionArray()
                        )
                    )
                )
            );

        return $this;
    }

    /**
     * Row click url
     *
     * @return string
     */
    public function getRowUrl($row)
    {
        return $this->getUrl('*/*/edit', array('block_id' => $row->getId()));
    }

}

<?php

class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit extends Mage_Adminhtml_Block_Widget_Form_Container
{
    public function __construct()
    {
        $this->_objectId = 'block_id';
        $this->_controller = 'adminhtml_siteblocks';
        $this->_blockGroup = 'siteblocks';

        parent::__construct();

        $this->_updateButton('save', 'label', Mage::helper('siteblocks')->__('Save Block'));
        $this->_updateButton('delete', 'label', Mage::helper('siteblocks')->__('Delete Block'));

        $this->_addButton('saveandcontinue', array(
            'label'     => Mage::helper('adminhtml')->__('Save and Continue Edit'),
            'onclick'   => 'saveAndContinueEdit()',
            'class'     => 'save',
        ), -100);

        $this->_formScripts[] = "


            function saveAndContinueEdit(){
                editForm.submit($('edit_form').action+'back/edit/');
            }
        ";
    }

    /**
     * Get edit form container header text
     *
     * @return string
     */
    public function getHeaderText()
    {
        if (Mage::registry('siteblocks_block')->getId()) {
            return Mage::helper('siteblocks')->__("Edit Block '%s'", $this->escapeHtml(Mage::registry('siteblocks_block')->getTitle()));
        }
        else {
            return Mage::helper('siteblocks')->__('New Block');
        }
    }
}

<?php

class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Form extends Mage_Adminhtml_Block_Widget_Form
{

    /**
     * Init form
     */
    public function __construct()
    {
        parent::__construct();
        $this->setId('block_form');
        $this->setTitle(Mage::helper('siteblocks')->__('Block Information'));
    }

    protected function _prepareForm()
    {
        $model = Mage::registry('siteblocks_block');
        $form = new Varien_Data_Form(
            array(
                'id' => 'edit_form',
                'action' => $this->getUrl('*/*/save',array('block_id'=>$this->getRequest()->getParam('block_id'))),
                'method' => 'post'
            )
        );

        $form->setHtmlIdPrefix('block_');

        $fieldset = $form->addFieldset('base_fieldset', array('legend'=>Mage::helper('siteblocks')->__('General Information'), 'class' => 'fieldset-wide'));

        if ($model->getBlockId()) {
            $fieldset->addField('block_id', 'hidden', array(
                'name' => 'block_id',
            ));
        }

        $fieldset->addField('title', 'text', array(
            'name'      => 'title',
            'label'     => Mage::helper('siteblocks')->__('Block Title'),
            'title'     => Mage::helper('siteblocks')->__('Block Title'),
            'required'  => true,
        ));


        $fieldset->addField('block_status', 'select', array(
            'label'     => Mage::helper('siteblocks')->__('Status'),
            'title'     => Mage::helper('siteblocks')->__('Status'),
            'name'      => 'block_status',
            'required'  => true,
            'options'   => Mage::getModel('siteblocks/source_status')->toArray(),
        ));


        $fieldset->addField('content', 'textarea', array(
            'name'      => 'content',
            'label'     => Mage::helper('siteblocks')->__('Content'),
            'title'     => Mage::helper('siteblocks')->__('Content'),
            'style'     => 'height:36em',
            'required'  => true,

        ));

        $form->setValues($model->getData());
        $form->setUseContainer(true);
        $this->setForm($form);

        return parent::_prepareForm();
    }
}

<?php
class IGN_Siteblocks_Adminhtml_SiteblocksController extends Mage_Adminhtml_Controller_Action {

    public function indexAction()
    {
        $this->loadLayout();
        $this->_addContent($this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks'));
        $this->renderLayout();
    }

    public function newAction()
    {
        $this->_forward('edit');
    }

    public function editAction()
    {
        $id = $this->getRequest()->getParam('block_id');
        Mage::register('siteblocks_block',Mage::getModel('siteblocks/block')->load($id));
        $blockObject = (array)Mage::getSingleton('adminhtml/session')->getBlockObject(true);
        if(count($blockObject)) {
            Mage::registry('siteblocks_block')->setData($blockObject);
        }
        $this->loadLayout();
        $this->_addContent($this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks_edit'));
        $this->renderLayout();
    }

    public function saveAction()
    {
        try {
            $id = $this->getRequest()->getParam('block_id');
            $block = Mage::getModel('siteblocks/block')->load($id);
            /*$block
                ->setTitle($this->getRequest()->getParam('title'))
                ->setContent($this->getRequest()->getParam('content'))
                ->setBlockStatus($this->getRequest()->getParam('block_status'))
                ->save();*/
            $block
                ->setData($this->getRequest()->getParams())
                ->setCreatedAt(Mage::app()->getLocale()->date())
                ->save();

            if(!$block->getId()) {
                Mage::getSingleton('adminhtml/session')->addError('Cannot save the block');
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            Mage::getSingleton('adminhtml/session')->setBlockObject($block->getData());
            return  $this->_redirect('*/*/edit',array('block_id'=>$this->getRequest()->getParam('block_id')));
        }

        Mage::getSingleton('adminhtml/session')->addSuccess('Block was saved successfully!');

        $this->_redirect('*/*/'.$this->getRequest()->getParam('back','index'),array('block_id'=>$block->getId()));
    }


    public function deleteAction()
    {
        $block = Mage::getModel('siteblocks/block')
            ->setId($this->getRequest()->getParam('block_id'))
            ->delete();
        if($block->getId()) {
            Mage::getSingleton('adminhtml/session')->addSuccess('Block was deleted successfully!');
        }
        $this->_redirect('*/*/');

    }


    public function massStatusAction()
    {
        $statuses = $this->getRequest()->getParams();
        try {
            $blocks= Mage::getModel('siteblocks/block')
                ->getCollection()
                ->addFieldToFilter('block_id',array('in'=>$statuses['massaction']));
            foreach($blocks as $block) {
                $block->setBlockStatus($statuses['block_status'])->save();
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            return $this->_redirect('*/*/');
        }
        Mage::getSingleton('adminhtml/session')->addSuccess('Blocks were updated!');

        return $this->_redirect('*/*/');

    }

    public function massDeleteAction()
    {
        $blocks = $this->getRequest()->getParams();
        try {
            $blocks= Mage::getModel('siteblocks/block')
                ->getCollection()
                ->addFieldToFilter('block_id',array('in'=>$blocks['massaction']));
            foreach($blocks as $block) {
                $block->delete();
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            return $this->_redirect('*/*/');
        }
        Mage::getSingleton('adminhtml/session')->addSuccess('Blocks were deleted!');

        return $this->_redirect('*/*/');

    }
}

<?xml version="1.0" ?>
<config>
    <modules>
        <IGN_Siteblocks>
            <version>1.0.0</version>
        </IGN_Siteblocks>
    </modules>
    <global>
        <blocks>
            <siteblocks>
                <class>IGN_Siteblocks_Block</class>
            </siteblocks>
        </blocks>
        <models>
            <siteblocks>
                <class>IGN_Siteblocks_Model</class>
                <resourceModel>siteblocks_resource</resourceModel>
            </siteblocks>
            <siteblocks_resource>
                <class>IGN_Siteblocks_Model_Resource</class>
                <entities>
                    <block>
                        <table>ign_siteblock</table>
                    </block>
                </entities>
            </siteblocks_resource>
        </models>
        <resources>
            <siteblocks_setup>
                <setup>
                    <module>IGN_Siteblocks</module>
                </setup>
            </siteblocks_setup>
        </resources>
        <helpers>
            <siteblocks>
                <class>IGN_Siteblocks_Helper</class>
            </siteblocks>
        </helpers>
    </global>
    <frontend>
        <events>
            <checkout_cart_product_add_after> <!-- название события говорит само за себя-->
                <observers>
                    <siteblocks>
                        <class>siteblocks/observer</class>
                        <method>checkout_cart_product_add_after</method> <!-- я предпочитаю использовать название метода по названию события -->
                        <type>model</type>
                    </siteblocks>
                </observers>
            </checkout_cart_product_add_after>
        </events>
        <layout>
            <updates>
                <siteblocks module="siteblocks">
                    <file>siteblocks.xml</file>
                </siteblocks>
            </updates>
        </layout>
        <routers>
            <siteblocks>
                <use>standard</use>
                <args>
                    <module>IGN_Siteblocks</module>
                    <frontName>siteblocks</frontName>
                </args>
            </siteblocks>
        </routers>
        <translate>
            <modules>
                <IGN_Siteblocks>
                    <files>
                        <default>IGN_Siteblocks.csv</default>
                    </files>
                </IGN_Siteblocks>
            </modules>
        </translate>
    </frontend>
    <admin>
        <routers>
            <adminhtml>
                <args>
                    <modules>
                        <siteblocks after="Mage_Adminhtml">IGN_Siteblocks_Adminhtml</siteblocks>
                    </modules>
                </args>
            </adminhtml>
        </routers>
    </admin>
    <default>
            <siteblocks>
                <settings>
                    <enabled>1</enabled>
                    <block_count>10</block_count>
                </settings>
            </siteblocks>
    </default>
</config>

<?php
class IGN_Siteblocks_Model_Observer {
    /**
     * @param $bserver Varien_Event_Observer
     */
//Да это не camelCase стиль именования. Моя привычка: название события = название метода
//Но можно назвать метод как угодно, например: checkoutCartProductAddAfter
    public function checkout_cart_product_add_after($observer)
    {
        var_dump($observer->getEvent()->getData('quote_item')->getData());die;
    }
}

<?xml version="1.0" ?>
<config>
    <modules>
        <IGN_Siteblocks>
            <version>1.0.0</version>
        </IGN_Siteblocks>
    </modules>
    <global>
        <blocks>
            <siteblocks>
                <class>IGN_Siteblocks_Block</class>
            </siteblocks>
        </blocks>
        <models>
            <siteblocks>
                <class>IGN_Siteblocks_Model</class>
                <resourceModel>siteblocks_resource</resourceModel>
            </siteblocks>
            <siteblocks_resource>
                <class>IGN_Siteblocks_Model_Resource</class>
                <entities>
                    <block>
                        <table>ign_siteblock</table>
                    </block>
                </entities>
            </siteblocks_resource>
        </models>
        <resources>
            <siteblocks_setup>
                <setup>
                    <module>IGN_Siteblocks</module>
                </setup>
            </siteblocks_setup>
        </resources>
        <helpers>
            <siteblocks>
                <class>IGN_Siteblocks_Helper</class>
            </siteblocks>
        </helpers>
    </global>
    <frontend>
        <events>
            <controller_action_predispatch>

            </controller_action_predispatch>
            <checkout_cart_product_add_after>
                <observers>
                    <siteblocks>
                        <class>siteblocks/observer</class>
                        <method>checkout_cart_product_add_after</method>
                        <type>model</type>
                    </siteblocks>
                </observers>
            </checkout_cart_product_add_after>
        </events>
        <layout>
            <updates>
                <siteblocks module="siteblocks">
                    <file>siteblocks.xml</file>
                </siteblocks>
            </updates>
        </layout>
        <routers>
            <siteblocks>
                <use>standard</use>
                <args>
                    <module>IGN_Siteblocks</module>
                    <frontName>siteblocks</frontName>
                </args>
            </siteblocks>
        </routers>
        <translate>
            <modules>
                <IGN_Siteblocks>
                    <files>
                        <default>IGN_Siteblocks.csv</default>
                    </files>
                </IGN_Siteblocks>
            </modules>
        </translate>
    </frontend>
    <admin>
        <routers>
            <adminhtml>
                <args>
                    <modules>
                        <siteblocks after="Mage_Adminhtml">IGN_Siteblocks_Adminhtml</siteblocks>
                    </modules>
                </args>
            </adminhtml>
        </routers>
    </admin>
    <default>
            <siteblocks>
                <settings>
                    <enabled>1</enabled>
                    <block_count>10</block_count>
                </settings>
            </siteblocks>
    </default>
    <crontab>
        <jobs>
            <siteblocks_clear_cache> <!-- Произвольное название задачи-->
                <schedule>
                    <cron_expr>*/10 * * * *</cron_expr> <!-- каждые 10 минут -->
                </schedule>
                <run>
                    <model>siteblocks/cron::siteblocks_clear_cache</model> <!-- модель и метод, который мы хотим запустить -->
                </run>
            </siteblocks_clear_cache>
        </jobs>
    </crontab>
</config>

<?php
class IGN_Siteblocks_Model_Cron {
    public function siteblocks_clear_cache()
    {
      //do something here
        Mage::app()->cleanCache(array('siteblocks_blocks'));
    }
}

<?php

class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Form extends Mage_Adminhtml_Block_Widget_Form
{

    /**
     * Init form
     */
    public function __construct()
    {
        parent::__construct();
        $this->setId('block_form');
        $this->setTitle(Mage::helper('siteblocks')->__('Block Information'));
    }

    protected function _prepareForm()
    {
        $model = Mage::registry('siteblocks_block');
        $form = new Varien_Data_Form(
            array(
                'id' => 'edit_form',
                'action' => $this->getUrl('*/*/save',array('block_id'=>$this->getRequest()->getParam('block_id'))),
                'method' => 'post',
                'enctype' => 'multipart/form-data'
            )
        );


        $form->setHtmlIdPrefix('block_');

        $fieldset = $form->addFieldset('base_fieldset',
            array(
                'legend'=>Mage::helper('siteblocks')->__('General Information'),
                'class' => 'fieldset-wide')
        );

        if ($model->getBlockId()) {
            $fieldset->addField('block_id', 'hidden', array(
                'name' => 'block_id',
            ));
        }

        $fieldset->addField('title', 'text', array(
            'name'      => 'title',
            'label'     => Mage::helper('siteblocks')->__('Block Title'),
            'title'     => Mage::helper('siteblocks')->__('Block Title'),
            'required'  => true,
        ));

#1й способ добавления рендерера или редекларации рендера для определенного типа полей
#соответсвтенно нам нужно создать класс по пути .../Block/Adminhtml/Siteblocks/Edit/Renderer/Myimage.php
        $fieldset->addType('myimage','IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Renderer_Myimage');

#если не пользоваться первым вариантом указания соответсвия типа-класс, то нужно создать файл lib/Varien/Data/Form/Element/Myimage.php
        $fieldset->addField('image', 'myimage', array(
            'name'      => 'image',
            'label'     => Mage::helper('siteblocks')->__('Image'),
            'title'     => Mage::helper('siteblocks')->__('Image'),
            'required'  => true,
        ));

        $fieldset->addField('block_status', 'select', array(
            'label'     => Mage::helper('siteblocks')->__('Status'),
            'title'     => Mage::helper('siteblocks')->__('Status'),
            'name'      => 'block_status',
            'required'  => true,
            'options'   => Mage::getModel('siteblocks/source_status')->toArray(),
        ));

        $fieldset->addField('content', 'textarea', array(
            'name'      => 'content',
            'label'     => Mage::helper('siteblocks')->__('Content'),
            'title'     => Mage::helper('siteblocks')->__('Content'),
            'style'     => 'height:36em',
            'required'  => true,

        ));

        $form->setValues($model->getData());
        $form->setUseContainer(true);
        $this->setForm($form);

        return parent::_prepareForm();
    }
}

<?php

class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Renderer_Myimage extends Varien_Data_Form_Element_Abstract
{
    /**
     * Constructor
     *
     * @param array $data
     */
    public function __construct($data)
    {
        parent::__construct($data);
        $this->setType('file');
    }

    /**
     * Return element html code
     *
     * @return string
     */
    public function getElementHtml()
    {
        $html = '';

        if ((string)$this->getValue()) {
            $url = $this->_getUrl();

            if( !preg_match("/^http://|https:///", $url) ) {
                $url = Mage::getBaseUrl('media') . 'siteblocks' .DS.$url;
            }

            $html = '<a href="' . $url . '"'
                . ' onclick="imagePreview('' . $this->getHtmlId() . '_image'); return false;">'
                . '<img src="' . $url . '" id="' . $this->getHtmlId() . '_image" title="' . $this->getValue() . '"'
                . ' alt="' . $this->getValue() . '" height="100" width="100" class="small-image-preview v-middle" />'
                . '</a> ';
            /*$additional = Mage::app()->getLayout()->createBlock('Mage_Adminhtml_Block_Template');
            $additional->setTemplate('siteblocks/image.phtml')
                ->setImageUrl($url);
            $html = $additional->toHtml();*/
#закомментированный выше код мы можем использовать для того, что бы html код строился в темплейте, актуально при использовании сложных элементов
        }
        $this->setClass('input-file');
        $html .= parent::getElementHtml();
        return $html;
    }

    /**
     * Return html code of hidden element
     *
     * @return string
     */
    protected function _getHiddenInput()
    {
        return '<input type="hidden" name="' . parent::getName() . '[value]" value="' . $this->getValue() . '" />';
    }

    /**
     * Get image preview url
     *
     * @return string
     */
    protected function _getUrl()
    {
        return $this->getValue();
    }

    /**
     * Return name
     *
     * @return string
     */
    public function getName()
    {
        return  $this->getData('name');
    }
}

<?php

class Varien_Data_Form_Element_Myimage extends Varien_Data_Form_Element_Abstract
{
    /**
     * Constructor
     *
     * @param array $data
     */
    public function __construct($data)
    {
        parent::__construct($data);
        $this->setType('file');
    }

    /**
     * Return element html code
     *
     * @return string
     */
    public function getElementHtml()
    {
        $html = '';

        if ((string)$this->getValue()) {
            $url = $this->_getUrl();

            if( !preg_match("/^http://|https:///", $url) ) {
                $url = Mage::getBaseUrl('media') . 'siteblocks' .DS.$url;
            }

            $html = '<a href="' . $url . '"'
                . ' onclick="imagePreview('' . $this->getHtmlId() . '_image'); return false;">'
                . '<img src="' . $url . '" id="' . $this->getHtmlId() . '_image" title="' . $this->getValue() . '"'
                . ' alt="' . $this->getValue() . '" height="150" width="150" class="small-image-preview v-middle" />'
                . '</a> ';
            /*$additional = Mage::app()->getLayout()->createBlock('Mage_Adminhtml_Block_Template');
            $additional->setTemplate('siteblocks/image.phtml')
                ->setImageUrl($url);
            $html = $additional->toHtml();*/
#закомментированный выше код мы можем использовать для того, что бы html код строился в темплейте, актуально при использовании сложных элементов
        }
        $this->setClass('input-file');
        $html .= parent::getElementHtml();
        return $html;
    }

    /**
     * Return html code of hidden element
     *
     * @return string
     */
    protected function _getHiddenInput()
    {
        return '<input type="hidden" name="' . parent::getName() . '[value]" value="' . $this->getValue() . '" />';
    }

    /**
     * Get image preview url
     *
     * @return string
     */
    protected function _getUrl()
    {
        return $this->getValue();
    }

    /**
     * Return name
     *
     * @return string
     */
    public function getName()
    {
        return  $this->getData('name');
    }
}

<?php
class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Grid extends Mage_Adminhtml_Block_Widget_Grid
{

    public function __construct()
    {
        parent::__construct();
        $this->setId('cmsBlockGrid');
        $this->setDefaultSort('block_identifier');
        $this->setDefaultDir('ASC');
    }

    protected function _prepareCollection()
    {
        $collection = Mage::getModel('siteblocks/block')->getCollection();
        /* @var $collection Mage_Cms_Model_Mysql4_Block_Collection */
        $this->setCollection($collection);
        return parent::_prepareCollection();
    }

    protected function _prepareColumns()
    {

        $this->addColumn('title', array(
            'header'    => Mage::helper('siteblocks')->__('Title'),
            'align'     => 'left',
            'index'     => 'title',
        ));

        $this->addColumn('image', array(
            'header'    => Mage::helper('siteblocks')->__('Image'),
            'align'     => 'left',
            'index'     => 'image',
            'filter'    => false, <!-- Картинки мы не сможем фильтровать -->
            'sortable'  => false,<!-- и не сможем их сортировать -->
            'renderer'  => 'IGN_Siteblocks_Block_Adminhtml_Siteblocks_Grid_Renderer_Image',
//         'renderer'  => 'siteblocks/adminhtml_siteblocks_grid_renderer_image' #альтернативный способ
        ));

        $this->addColumn('block_status', array(
            'header'    => Mage::helper('cms')->__('Status'),
            'align'     => 'left',
            'type'      => 'options',
            'options'   => Mage::getModel('siteblocks/source_status')->toArray(),
            'index'     => 'block_status'
        ));


        $this->addColumn('created_at', array(
            'header'    => Mage::helper('siteblocks')->__('Created At'),
            'index'     => 'created_at',
            'type'      => 'date',

        ));


        return parent::_prepareColumns();
    }

    protected function _prepareMassaction()
    {
        $this->setMassactionIdField('block_id');
        $this->getMassactionBlock()->setIdFieldName('block_id');
        $this->getMassactionBlock()
            ->addItem('delete',
                array(
                    'label' => Mage::helper('siteblocks')->__('Delete'),
                    'url' => $this->getUrl('*/*/massDelete'),
                    'confirm' => Mage::helper('siteblocks')->__('Are you sure?')
                )
            )
            ->addItem('status',
                array(
                    'label' => Mage::helper('siteblocks')->__('Update status'),
                    'url' => $this->getUrl('*/*/massStatus'),
                    'additional' =>
                        array('block_status'=>
                        array(
                            'name' => 'block_status',
                            'type' => 'select',
                            'class' => 'required-entry',
                            'label' => Mage::helper('siteblocks')->__('Status'),
                            'values' => Mage::getModel('siteblocks/source_status')->toOptionArray()
                        )
                    )
                )
            );

        return $this;
    }

    /**
     * Row click url
     *
     * @return string
     */
    public function getRowUrl($row)
    {
        return $this->getUrl('*/*/edit', array('block_id' => $row->getId()));
    }

}

<?php
class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Grid_Renderer_Image
    extends Mage_Adminhtml_Block_Widget_Grid_Column_Renderer_Abstract
{
    public function render(Varien_Object $row) #именно в этом методе необходимо добавлять логику
    {
        if( ! $row->getImage()) {
            return '';
        }
        $url = Mage::getBaseUrl('media') . 'siteblocks' .DS .$row->getImage();
        $html = "<img src='$url' width='100' height='auto'>";
        return $html;
    }
}

<?php
/** @var Mage_Core_Model_Resource_Setup $installer */
$installer = $this;
$installer->startSetup();

$installer->run("
ALTER TABLE `{$this->getTable('siteblocks/block')}` ADD `image` TEXT NOT NULL;
");

$installer->endSetup();

<?php
class IGN_Siteblocks_Adminhtml_SiteblocksController extends Mage_Adminhtml_Controller_Action {

    public function indexAction()
    {
        $this->loadLayout();
        $this->_addContent($this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks'));
        $this->renderLayout();
    }

    public function newAction()
    {
        $this->_forward('edit');
    }

    public function editAction()
    {
        $id = $this->getRequest()->getParam('block_id');
        Mage::register('siteblocks_block',Mage::getModel('siteblocks/block')->load($id));
        $blockObject = (array)Mage::getSingleton('adminhtml/session')->getBlockObject(true);
        if(count($blockObject)) {
            Mage::registry('siteblocks_block')->setData($blockObject);
        }
        $this->loadLayout();
        $this->_addContent($this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks_edit'));
        $this->renderLayout();
    }

// метод загрузки файлов
    protected function _uploadFile($fieldName,$model)
    {

        if( ! isset($_FILES[$fieldName])) {
            return false;
        }
        $file = $_FILES[$fieldName];

        if(isset($file['name']) && (file_exists($file['tmp_name']))){
            if($model->getId()){
                unlink(Mage::getBaseDir('media').DS.$model->getData($fieldName));
            }
            try
            {
                $path = Mage::getBaseDir('media') . DS . 'siteblocks' . DS;
                $uploader = new Varien_File_Uploader($file);
                $uploader->setAllowedExtensions(array('jpg','png','gif','jpeg'));
                $uploader->setAllowRenameFiles(true);
                $uploader->setFilesDispersion(false);

                $uploader->save($path, $file['name']);
                $model->setData($fieldName,$uploader->getUploadedFileName());
                return true;
            }
            catch(Exception $e)
            {
                return false;
            }
        }
    }

    public function saveAction()
    {
        try {
            $id = $this->getRequest()->getParam('block_id');
            $block = Mage::getModel('siteblocks/block')->load($id);
            /*$block
                ->setTitle($this->getRequest()->getParam('title'))
                ->setContent($this->getRequest()->getParam('content'))
                ->setBlockStatus($this->getRequest()->getParam('block_status'))
                ->save();*/
            $block
                ->setData($this->getRequest()->getParams());
            $this->_uploadFile('image',$block); //используем метод загрузки файлов
            $block
                ->setCreatedAt(Mage::app()->getLocale()->date())
                ->save();

            if(!$block->getId()) {
                Mage::getSingleton('adminhtml/session')->addError('Cannot save the block');
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            Mage::getSingleton('adminhtml/session')->setBlockObject($block->getData());
            return  $this->_redirect('*/*/edit',array('block_id'=>$this->getRequest()->getParam('block_id')));
        }

        Mage::getSingleton('adminhtml/session')->addSuccess('Block was saved successfully!');

        $this->_redirect('*/*/'.$this->getRequest()->getParam('back','index'),array('block_id'=>$block->getId()));
    }

    public function deleteAction()
    {
        $block = Mage::getModel('siteblocks/block')
            ->setId($this->getRequest()->getParam('block_id'))
            ->delete();
        if($block->getId()) {
            Mage::getSingleton('adminhtml/session')->addSuccess('Block was deleted successfully!');
        }
        $this->_redirect('*/*/');

    }

    public function massStatusAction()
    {
        $statuses = $this->getRequest()->getParams();
        try {
            $blocks= Mage::getModel('siteblocks/block')
                ->getCollection()
                ->addFieldToFilter('block_id',array('in'=>$statuses['massaction']));
            foreach($blocks as $block) {
                $block->setBlockStatus($statuses['block_status'])->save();
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            return $this->_redirect('*/*/');
        }
        Mage::getSingleton('adminhtml/session')->addSuccess('Blocks were updated!');

        return $this->_redirect('*/*/');

    }

    public function massDeleteAction()
    {
        $blocks = $this->getRequest()->getParams();
        try {
            $blocks= Mage::getModel('siteblocks/block')
                ->getCollection()
                ->addFieldToFilter('block_id',array('in'=>$blocks['massaction']));
            foreach($blocks as $block) {
                $block->delete();
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            return $this->_redirect('*/*/');
        }
        Mage::getSingleton('adminhtml/session')->addSuccess('Blocks were deleted!');

        return $this->_redirect('*/*/');

    }
}

<?php foreach($this->getBlocks() as $block):?>
    <div class="siteblock">
        <div class="block-title"><?php echo $block->getTitle()?></div>
        <div class="block-image">
            <?php if($block->getImage()):?>
                <img src="<?php echo $block->getImageSrc()?>" height="150" width="auto" alt="<?php $block->getTitle()?>" title="<?php $block->getTitle()?>">
            <?php endif;?>
        </div>
        <div class="block-content"><?php echo $block->getContent() ?></div>
    </div>
<?php endforeach;?>

<?php

/**
 * Class IGN_Siteblocks_Model_Block
 * @method getBlockStatus()
 * @method getContent()
 * @method getImage()
 */
class IGN_Siteblocks_Model_Block extends Mage_Core_Model_Abstract {

    protected $_eventPrefix = 'siteblocks_block';

    public function _construct()
    {
        parent::_construct();
        $this->_init('siteblocks/block');

    }

    public function getImageSrc()
    {
        return Mage::getBaseUrl('media') . 'siteblocks' . DS . $this->getImage();
    }
}

<?xml version="1.0"?>
<layout version="1.0.0">
    <adminhtml_siteblocks_edit> <!-- это соответствует пути на страницу редактирования -->
        <update handle="editor"/> <!-- Благодаря этой строке загрузится handle в котором включены все необходимые js и css ресурсы для редактора, а описан он в макете cms.xml -->
    </adminhtml_siteblocks_edit>

    <adminhtml_system_config_edit>
        <update handle="editor"/>
    </adminhtml_system_config_edit>
</layout>

<?php

class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Form extends Mage_Adminhtml_Block_Widget_Form
{

    /**
     * Init form
     */
    public function __construct()
    {
        parent::__construct();
        $this->setId('block_form');
        $this->setTitle(Mage::helper('siteblocks')->__('Block Information'));
    }

    protected function _prepareForm()
    {
        $model = Mage::registry('siteblocks_block');
        $form = new Varien_Data_Form(
            array(
                'id' => 'edit_form',
                'action' => $this->getUrl('*/*/save',array('block_id'=>$this->getRequest()->getParam('block_id'))),
                'method' => 'post',
                'enctype' => 'multipart/form-data'
            )
        );


        $form->setHtmlIdPrefix('block_');

        $fieldset = $form->addFieldset('base_fieldset',
            array(
                'legend'=>Mage::helper('siteblocks')->__('General Information'),
                'class' => 'fieldset-wide')
        );

        if ($model->getBlockId()) {
            $fieldset->addField('block_id', 'hidden', array(
                'name' => 'block_id',
            ));
        }

        $fieldset->addField('title', 'text', array(
            'name'      => 'title',
            'label'     => Mage::helper('siteblocks')->__('Block Title'),
            'title'     => Mage::helper('siteblocks')->__('Block Title'),
            'required'  => true,
        ));

        //$fieldset->addType('myimage','IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Renderer_Myimage');

        $fieldset->addField('image', 'myimage', array(
            'name'      => 'image',
            'label'     => Mage::helper('siteblocks')->__('Image'),
            'title'     => Mage::helper('siteblocks')->__('Image'),
            'required'  => true,
        ));



        $fieldset->addField('block_status', 'select', array(
            'label'     => Mage::helper('siteblocks')->__('Status'),
            'title'     => Mage::helper('siteblocks')->__('Status'),
            'name'      => 'block_status',
            'required'  => true,
            'options'   => Mage::getModel('siteblocks/source_status')->toArray(),
        ));


#модифицируем этот элемент
        $fieldset->addField('content', 'editor', array(
            'name'      => 'content',
            'label'     => Mage::helper('siteblocks')->__('Content'),
            'title'     => Mage::helper('siteblocks')->__('Content'),
            'style'     => 'height:36em',
            'required'  => true,
            'config'    => Mage::getSingleton('cms/wysiwyg_config')->getConfig()

        ));

        $form->setValues($model->getData());
        $form->setUseContainer(true);
        $this->setForm($form);

        return parent::_prepareForm();
    }

//добавили этот метод, в которм выставляем флаг в блок head, если редактор включен в настройках
    protected function _prepareLayout()
    {
        parent::_prepareLayout();
        if (Mage::getSingleton('cms/wysiwyg_config')->isEnabled()) {
            $this->getLayout()->getBlock('head')->setCanLoadTinyMce(true);
        }
    }
}

<?php
class Varien_Data_Form_Element_Myeditor extends Varien_Data_Form_Element_Editor
{
    public function __construct($attributes=array())
    {

        parent::__construct($attributes);
#вся дополнительная логика в блоке ниже
        if (Mage::getSingleton('cms/wysiwyg_config')->isEnabled()) {
            Mage::app()->getLayout()->getBlock('head')->setCanLoadTinyMce(true);
            $this->setData('config',Mage::getSingleton('cms/wysiwyg_config')->getConfig());
        }
        if($this->isEnabled()) {
            $this->setType('wysiwyg');
            $this->setExtType('wysiwyg');
        } else {
            $this->setType('textarea');
            $this->setExtType('textarea');
        }
    }
}

<?xml version="1.0"?>
<config>
    <tabs>
        <ign translate="label" module="siteblocks">
            <label>IGN</label>
            <sort_order>2</sort_order>
        </ign>
    </tabs>
    <sections>
        <siteblocks module="siteblocks" translate="label">
            <label>Siteblocks</label>
            <tab>ign</tab>
            <frontend>text</frontend>
            <sort_order>1</sort_order>
            <show_in_default>1</show_in_default>
            <show_in_website>1</show_in_website>
            <show_in_store>1</show_in_store>
            <groups>
                <settings module="siteblocks" translate="label">
                    <label>Settings</label>
                    <expanded>1</expanded>
                    <sort_order>1</sort_order>
                    <show_in_default>1</show_in_default>
                    <show_in_Website>1</show_in_Website>
                    <show_in_store>1</show_in_store>
                    <fields>
                        <enabled translate="label comment" module="siteblocks">
                            <label>Enabled</label>
                            <frontend_type>select</frontend_type>
                            <source_model>siteblocks/source_status</source_model>
                            <sort_order>1</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_Website>1</show_in_Website>
                            <show_in_store>1</show_in_store>
                            <comment>Is module enabled</comment>
                        </enabled>
                        <blocks_count>
                            <label>Blocks on page</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>2</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_Website>1</show_in_Website>
                            <show_in_store>1</show_in_store>
                            <depends><enabled>1</enabled></depends>
                        </blocks_count>
                        <raw_text>
                            <label>Raw text</label>
                            <frontend_type>myeditor</frontend_type> <!-- Просто указываем новый frontend_type -->
                            <sort_order>3</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_Website>1</show_in_Website>
                            <show_in_store>1</show_in_store>
                            <depends><enabled>1</enabled></depends>
                        </raw_text>
                        <myimage>
                            <label>Image</label>
                            <frontend_type>myimage</frontend_type>
                            <sort_order>3</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_Website>1</show_in_Website>
                            <show_in_store>1</show_in_store>
                            <depends><enabled>1</enabled></depends>
                        </myimage>
                    </fields>
                </settings>
            </groups>
        </siteblocks>
    </sections>
</config>

<?php foreach($this->getBlocks() as $block):?>
    <div class="siteblock">
        <div class="block-title"><?php echo $block->getTitle()?></div>
        <div class="block-image">
            <?php if($block->getImage()):?>
                <img src="<?php echo $block->getImageSrc()?>" height="150" width="auto" alt="<?php $block->getTitle()?>" title="<?php $block->getTitle()?>">
            <?php endif;?>
        </div>
        <div class="block-content"><?php echo $this->getBlockContent($block)?></div>
    </div>
<?php endforeach;?>

<?php
class IGN_Siteblocks_Block_List extends Mage_Core_Block_Template {

    public function getBlocks()
    {
        //return Mage::getResourceModel('siteblocks/block_collection');
        $items = Mage::getModel('siteblocks/block')->getCollection()
            ->addFieldToFilter('block_status',array('eq'=>IGN_Siteblocks_Model_Source_Status::ENABLED));
        return $items;
    }

    public function getBlockContent($block)
    {
        $processor = Mage::helper('cms')->getBlockTemplateProcessor();
        $html = $processor->filter($block->getContent());
        return $html;
    }
}

<?php
/** @var Mage_Core_Model_Resource_Setup $installer */
$installer = $this;
$installer->startSetup();

$installer->run("
ALTER TABLE `{$this->getTable('siteblocks/block')}` ADD `conditions_serialized` TEXT NOT NULL;
");
$installer->endSetup();

<?php

/**
 * Class IGN_Siteblocks_Model_Block
 * @method getBlockStatus()
 * @method getContent()
 * @method getImage()
 */
class IGN_Siteblocks_Model_Block extends Mage_Rule_Model_Abstract {

    protected $_eventPrefix = 'siteblocks_block';

#этот метод, на самом деле нам не нужен, но интерфейс его требует
    public function getActionsInstance()
    {
        return Mage::getModel('catalogrule/rule_action_collection');
    }


    public function getConditionsInstance()
    {
        return Mage::getModel('catalogrule/rule_condition_combine');
    }

    public function _construct()
    {
        parent::_construct();
        $this->_init('siteblocks/block');

    }

    public function getImageSrc()
    {
        return Mage::getBaseUrl('media') . 'siteblocks' . DS . $this->getImage();
    }
}

<?php
class IGN_Siteblocks_Adminhtml_SiteblocksController extends Mage_Adminhtml_Controller_Action {

    public function indexAction()
    {
        $this->loadLayout();
        $this->_addContent($this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks'));
        $this->renderLayout();
    }

    public function newAction()
    {
        $this->_forward('edit');
    }

    public function editAction()
    {
        $id = $this->getRequest()->getParam('block_id');
        Mage::register('siteblocks_block',Mage::getModel('siteblocks/block')->load($id));
        $blockObject = (array)Mage::getSingleton('adminhtml/session')->getBlockObject(true);
        if(count($blockObject)) {
            Mage::registry('siteblocks_block')->setData($blockObject);
        }
        $this->loadLayout();
        $this->_addContent($this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks_edit'));
        $this->renderLayout();
    }

    protected function _uploadFile($fieldName,$model)
    {

        if( ! isset($_FILES[$fieldName])) {
            return false;
        }
        $file = $_FILES[$fieldName];

        if(isset($file['name']) && (file_exists($file['tmp_name']))){
            if($model->getId()){
                unlink(Mage::getBaseDir('media').DS.$model->getData($fieldName));
            }
            try
            {
                $path = Mage::getBaseDir('media') . DS . 'siteblocks' . DS;
                $uploader = new Varien_File_Uploader($file);
                $uploader->setAllowedExtensions(array('jpg','png','gif','jpeg'));
                $uploader->setAllowRenameFiles(true);
                $uploader->setFilesDispersion(false);

                $uploader->save($path, $file['name']);
                $model->setData($fieldName,$uploader->getUploadedFileName());
                return true;
            }
            catch(Exception $e)
            {
                return false;
            }
        }
    }

    public function saveAction()
    {
        try {
            $id = $this->getRequest()->getParam('block_id');
            /** @var IGN_Siteblocks_Model_Block $block */
            $block = Mage::getModel('siteblocks/block')->load($id);
            /*$block
                ->setTitle($this->getRequest()->getParam('title'))
                ->setContent($this->getRequest()->getParam('content'))
                ->setBlockStatus($this->getRequest()->getParam('block_status'))
                ->save();*/
#ниже следует участок для сохранения условий
            $data = $this->getRequest()->getParams();
            if (isset($data['rule']['conditions'])) {
                $data['conditions'] = $data['rule']['conditions'];
            }
            unset($data['rule']);
#вместо setData используем loadPost
            $block
                ->loadPost($data);
            $this->_uploadFile('image',$block);
            $block
                ->setCreatedAt(Mage::app()->getLocale()->date())
                ->save();

            if(!$block->getId()) {
                Mage::getSingleton('adminhtml/session')->addError('Cannot save the block');
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            Mage::getSingleton('adminhtml/session')->setBlockObject($block->getData());
            return  $this->_redirect('*/*/edit',array('block_id'=>$this->getRequest()->getParam('block_id')));
        }

        Mage::getSingleton('adminhtml/session')->addSuccess('Block was saved successfully!');

        $this->_redirect('*/*/'.$this->getRequest()->getParam('back','index'),array('block_id'=>$block->getId()));
    }

    public function deleteAction()
    {
        $block = Mage::getModel('siteblocks/block')
            ->setId($this->getRequest()->getParam('block_id'))
            ->delete();
        if($block->getId()) {
            Mage::getSingleton('adminhtml/session')->addSuccess('Block was deleted successfully!');
        }
        $this->_redirect('*/*/');

    }

    public function massStatusAction()
    {
        $statuses = $this->getRequest()->getParams();
        try {
            $blocks= Mage::getModel('siteblocks/block')
                ->getCollection()
                ->addFieldToFilter('block_id',array('in'=>$statuses['massaction']));
            foreach($blocks as $block) {
                $block->setBlockStatus($statuses['block_status'])->save();
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            return $this->_redirect('*/*/');
        }
        Mage::getSingleton('adminhtml/session')->addSuccess('Blocks were updated!');

        return $this->_redirect('*/*/');

    }

    public function massDeleteAction()
    {
        $blocks = $this->getRequest()->getParams();
        try {
            $blocks= Mage::getModel('siteblocks/block')
                ->getCollection()
                ->addFieldToFilter('block_id',array('in'=>$blocks['massaction']));
            foreach($blocks as $block) {
                $block->delete();
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            return $this->_redirect('*/*/');
        }
        Mage::getSingleton('adminhtml/session')->addSuccess('Blocks were deleted!');

        return $this->_redirect('*/*/');

    }
}

<?xml version="1.0"?>
<layout version="1.0.0">
    <adminhtml_siteblocks_edit>
        <update handle="editor"/>
<!-- Что бы подгрузились нужные js ресурсы -->
        <reference name="head">
            <action method="setCanLoadExtJs"><flag>1</flag></action>
            <action method="setCanLoadRulesJs"><flag>1</flag></action>
        </reference>
    </adminhtml_siteblocks_edit>

    <adminhtml_system_config_edit>
        <update handle="editor"/>
    </adminhtml_system_config_edit>

</layout>

<?php

class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Form extends Mage_Adminhtml_Block_Widget_Form
{

    /**
     * Init form
     */
    public function __construct()
    {
        parent::__construct();
        $this->setId('block_form');
        $this->setTitle(Mage::helper('siteblocks')->__('Block Information'));
    }

    protected function _prepareForm()
    {
        $model = Mage::registry('siteblocks_block');
        $form = new Varien_Data_Form(
            array(
                'id' => 'edit_form',
                'action' => $this->getUrl('*/*/save',array('block_id'=>$this->getRequest()->getParam('block_id'))),
                'method' => 'post',
                'enctype' => 'multipart/form-data'
            )
        );


        $form->setHtmlIdPrefix('block_');

        $fieldset = $form->addFieldset('base_fieldset',
            array(
                'legend'=>Mage::helper('siteblocks')->__('General Information'),
                'class' => 'fieldset-wide')
        );

        if ($model->getBlockId()) {
            $fieldset->addField('block_id', 'hidden', array(
                'name' => 'block_id',
            ));
        }

        $fieldset->addField('title', 'text', array(
            'name'      => 'title',
            'label'     => Mage::helper('siteblocks')->__('Block Title'),
            'title'     => Mage::helper('siteblocks')->__('Block Title'),
            'required'  => true,
        ));

        //$fieldset->addType('myimage','IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Renderer_Myimage');

        $fieldset->addField('image', 'myimage', array(
            'name'      => 'image',
            'label'     => Mage::helper('siteblocks')->__('Image'),
            'title'     => Mage::helper('siteblocks')->__('Image'),
            'required'  => true,
        ));



        $fieldset->addField('block_status', 'select', array(
            'label'     => Mage::helper('siteblocks')->__('Status'),
            'title'     => Mage::helper('siteblocks')->__('Status'),
            'name'      => 'block_status',
            'required'  => true,
            'options'   => Mage::getModel('siteblocks/source_status')->toArray(),
        ));


        $fieldset->addField('content', 'editor', array(
            'name'      => 'content',
            'label'     => Mage::helper('siteblocks')->__('Content'),
            'title'     => Mage::helper('siteblocks')->__('Content'),
            'style'     => 'height:36em',
            'required'  => true,
            'config'    => Mage::getSingleton('cms/wysiwyg_config')->getConfig()

        ));

#все для добавления условий
        $model->getConditions()->setJsFormObject('block_conditions_fieldset');

        $renderer = Mage::getBlockSingleton('adminhtml/widget_form_renderer_fieldset')
            ->setTemplate('promo/fieldset.phtml')
            ->setNewChildUrl($this->getUrl('*/promo_catalog/newConditionHtml/form/block_conditions_fieldset'));

        $conditionsFieldset = $form->addFieldset('conditions_fieldset',
            array(
                'legend'=>Mage::helper('siteblocks')->__('Conditions'),
                'class' => 'fieldset-wide')
        )->setRenderer($renderer);
        $conditionsFieldset->addField('conditions', 'text', array(
            'name' => 'conditions',
            'label' => Mage::helper('siteblocks')->__('Conditions'),
            'title' => Mage::helper('siteblocks')->__('Conditions'),
            'required' => true,
        ))->setRule($model)->setRenderer(Mage::getBlockSingleton('rule/conditions'));

        $form->setValues($model->getData());
        $form->setUseContainer(true);
        $this->setForm($form);

        return parent::_prepareForm();
    }

    protected function _prepareLayout()
    {
        parent::_prepareLayout();
        if (Mage::getSingleton('cms/wysiwyg_config')->isEnabled()) {
#Мы можем не редактировать макет, тогда пишем эти 2 строки тут
$this->getLayout()->getBlock('head')->setCanLoadExtJs(true);
$this->getLayout()->getBlock('head')->setCanLoadRulesJs(true);

            $this->getLayout()->getBlock('head')->setCanLoadTinyMce(true);
        }
    }
}

<?php
class IGN_Siteblocks_Block_List extends Mage_Core_Block_Template {

    public function getBlocks()
    {
        //return Mage::getResourceModel('siteblocks/block_collection');
        $items = Mage::getModel('siteblocks/block')->getCollection()
            ->addFieldToFilter('block_status',array('eq'=>IGN_Siteblocks_Model_Source_Status::ENABLED));
        $filteredItems = $items;
#валидируем только если вывод на странице товара.
        if(Mage::registry('current_product') instanceof Mage_Catalog_Model_Product) {
            $filteredItems = array();
            /** @var IGN_Siteblocks_Model_Block $item */
            foreach ($items as $item) {
#в метод validate необходимо передать валидируемый объект, в нашем случае товар
                if($item->validate(Mage::registry('current_product'))) {
                    $filteredItems[] = $item;
                }
            }
        }
        return $filteredItems;
    }

    public function getBlockContent($block)
    {
        $processor = Mage::helper('cms')->getBlockTemplateProcessor();
        $html = $processor->filter($block->getContent());
        return $html;
    }

}

<?php
class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Tabs extends Mage_Adminhtml_Block_Widget_Tabs
{

    public function __construct()
    {
        parent::__construct();
        $this->setId('block_tabs');
        $this->setDestElementId('edit_form');
        $this->setTitle(Mage::helper('siteblocks')->__('Block Information'));
    }

#в этом методе мы можем добавлять вкладки. еще их можно добавлять в макете
    protected function _prepareLayout()
    {
        $this->addTab('main_tab',array(
            'label' => $this->__('Main'),
            'title' => $this->__('Main'),
            'content' => $this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks_edit_tab_main')->toHtml()
        ));

       /*$this->addTab('conditions_tab',array(
            'label' => $this->__('Conditions'),
            'title' => $this->__('Conditions'),
            'content' => $this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks_edit_tab_conditions')->toHtml()
        ));*/

        $this->addTab('conditions_tab','siteblocks/adminhtml_siteblocks_edit_tab_conditions');

        return parent::_prepareLayout();
    }
}

<?php

class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Tab_Main extends Mage_Adminhtml_Block_Widget_Form
{

    /**
     * Init form
     */
    public function __construct()
    {
        parent::__construct();
        $this->setId('main_form');
        $this->setTitle(Mage::helper('siteblocks')->__('Block Information'));
    }

    protected function _prepareForm()
    {
        $model = Mage::registry('siteblocks_block');
        $form = new Varien_Data_Form();


        $form->setHtmlIdPrefix('main_');

        $fieldset = $form->addFieldset('base_fieldset',
            array(
                'legend'=>Mage::helper('siteblocks')->__('General Information'),
                'class' => 'fieldset-wide')
        );

        if ($model->getBlockId()) {
            $fieldset->addField('block_id', 'hidden', array(
                'name' => 'block_id',
            ));
        }

        $fieldset->addField('title', 'text', array(
            'name'      => 'title',
            'label'     => Mage::helper('siteblocks')->__('Block Title'),
            'title'     => Mage::helper('siteblocks')->__('Block Title'),
            'required'  => true,
        ));

        //$fieldset->addType('myimage','IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Renderer_Myimage');

        $fieldset->addField('image', 'myimage', array(
            'name'      => 'image',
            'label'     => Mage::helper('siteblocks')->__('Image'),
            'title'     => Mage::helper('siteblocks')->__('Image'),
            'required'  => true,
        ));



        $fieldset->addField('block_status', 'select', array(
            'label'     => Mage::helper('siteblocks')->__('Status'),
            'title'     => Mage::helper('siteblocks')->__('Status'),
            'name'      => 'block_status',
            'required'  => true,
            'options'   => Mage::getModel('siteblocks/source_status')->toArray(),
        ));


        $fieldset->addField('content', 'editor', array(
            'name'      => 'content',
            'label'     => Mage::helper('siteblocks')->__('Content'),
            'title'     => Mage::helper('siteblocks')->__('Content'),
            'style'     => 'height:36em',
            'required'  => true,
            'config'    => Mage::getSingleton('cms/wysiwyg_config')->getConfig()

        ));


        $form->setValues($model->getData());
        $this->setForm($form);

        return parent::_prepareForm();
    }

    protected function _prepareLayout()
    {
        parent::_prepareLayout();
        if (Mage::getSingleton('cms/wysiwyg_config')->isEnabled()) {
            $this->getLayout()->getBlock('head')->setCanLoadTinyMce(true);
        }
    }
}

<?php

class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Tab_Conditions extends Mage_Adminhtml_Block_Widget_Form implements Mage_Adminhtml_Block_Widget_Tab_Interface
{

#методы, которые требует интерфейс
    public function getTabTitle()
    {
        return $this->__('Conditions');
    }

    public function getTabLabel()
    {
        return $this->__('Conditions');
    }

    public function canShowTab()
    {
        return true;
    }

    public function isHidden()
    {
        return false;
    }

    /**
     * Init form
     */
    public function __construct()
    {
        parent::__construct();
        $this->setId('conditions_form');
        $this->setTitle(Mage::helper('siteblocks')->__('Block Conditions'));
    }

    protected function _prepareForm()
    {
        $model = Mage::registry('siteblocks_block');
        $form = new Varien_Data_Form();


        $form->setHtmlIdPrefix('block_');


        $model->getConditions()->setJsFormObject('block_conditions_fieldset');

        $renderer = Mage::getBlockSingleton('adminhtml/widget_form_renderer_fieldset')
            ->setTemplate('promo/fieldset.phtml')
            ->setNewChildUrl($this->getUrl('*/promo_catalog/newConditionHtml/form/block_conditions_fieldset'));

        $conditionsFieldset = $form->addFieldset('conditions_fieldset',
            array(
                'legend'=>Mage::helper('siteblocks')->__('Conditions'),
                'class' => 'fieldset-wide')
        )->setRenderer($renderer);
        $conditionsFieldset->addField('conditions', 'text', array(
            'name' => 'conditions',
            'label' => Mage::helper('siteblocks')->__('Conditions'),
            'title' => Mage::helper('siteblocks')->__('Conditions'),
            'required' => true,
        ))->setRule($model)->setRenderer(Mage::getBlockSingleton('rule/conditions'));

        $form->setValues($model->getData());
        $this->setForm($form);

        return parent::_prepareForm();
    }

    protected function _prepareLayout()
    {
        parent::_prepareLayout();
        if (Mage::getSingleton('cms/wysiwyg_config')->isEnabled()) {
            $this->getLayout()->getBlock('head')->setCanLoadTinyMce(true);
        }
    }
}

<?php

class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Form extends Mage_Adminhtml_Block_Widget_Form
{

    /**
     * Init form
     */
    public function __construct()
    {
        parent::__construct();
        $this->setId('block_form');
        $this->setTitle(Mage::helper('siteblocks')->__('Block Information'));
    }

    protected function _prepareForm()
    {
        $model = Mage::registry('siteblocks_block');
        $form = new Varien_Data_Form(
            array(
                'id' => 'edit_form',
                'action' => $this->getUrl('*/*/save',array('block_id'=>$this->getRequest()->getParam('block_id'))),
                'method' => 'post',
                'enctype' => 'multipart/form-data'
            )
        );


        $form->setHtmlIdPrefix('block_');


        $form->setValues($model->getData());
        $form->setUseContainer(true);
        $this->setForm($form);

        return parent::_prepareForm();
    }

    protected function _prepareLayout()
    {
        parent::_prepareLayout();
        if (Mage::getSingleton('cms/wysiwyg_config')->isEnabled()) {
            $this->getLayout()->getBlock('head')->setCanLoadTinyMce(true);
        }
    }
}

<?php
class IGN_Siteblocks_Adminhtml_SiteblocksController extends Mage_Adminhtml_Controller_Action {

    public function indexAction()
    {
        $this->loadLayout();
        $this->_addContent($this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks'));
        $this->renderLayout();
    }

    public function newAction()
    {
        $this->_forward('edit');
    }

    public function editAction()
    {
        $id = $this->getRequest()->getParam('block_id');
        Mage::register('siteblocks_block',Mage::getModel('siteblocks/block')->load($id));
        $blockObject = (array)Mage::getSingleton('adminhtml/session')->getBlockObject(true);
        if(count($blockObject)) {
            Mage::registry('siteblocks_block')->setData($blockObject);
        }
        $this->loadLayout();
#вывод блока вкладок на странице
        $this->_addLeft($this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks_edit_tabs'));
        $this->_addContent($this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks_edit'));
        $this->renderLayout();
    }

    protected function _uploadFile($fieldName,$model)
    {

        if( ! isset($_FILES[$fieldName])) {
            return false;
        }
        $file = $_FILES[$fieldName];

        if(isset($file['name']) && (file_exists($file['tmp_name']))){
            if($model->getId()){
                unlink(Mage::getBaseDir('media').DS.$model->getData($fieldName));
            }
            try
            {
                $path = Mage::getBaseDir('media') . DS . 'siteblocks' . DS;
                $uploader = new Varien_File_Uploader($file);
                $uploader->setAllowedExtensions(array('jpg','png','gif','jpeg'));
                $uploader->setAllowRenameFiles(true);
                $uploader->setFilesDispersion(false);

                $uploader->save($path, $file['name']);
                $model->setData($fieldName,$uploader->getUploadedFileName());
                return true;
            }
            catch(Exception $e)
            {
                return false;
            }
        }
    }

    public function saveAction()
    {
        try {
            $id = $this->getRequest()->getParam('block_id');
            /** @var IGN_Siteblocks_Model_Block $block */
            $block = Mage::getModel('siteblocks/block')->load($id);
            /*$block
                ->setTitle($this->getRequest()->getParam('title'))
                ->setContent($this->getRequest()->getParam('content'))
                ->setBlockStatus($this->getRequest()->getParam('block_status'))
                ->save();*/
            $data = $this->getRequest()->getParams();
            if (isset($data['rule']['conditions'])) {
                $data['conditions'] = $data['rule']['conditions'];
            }
            unset($data['rule']);
            $block
                ->loadPost($data);
            $this->_uploadFile('image',$block);
            $block
                ->setCreatedAt(Mage::app()->getLocale()->date())
                ->save();

            if(!$block->getId()) {
                Mage::getSingleton('adminhtml/session')->addError('Cannot save the block');
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            Mage::getSingleton('adminhtml/session')->setBlockObject($block->getData());
            return  $this->_redirect('*/*/edit',array('block_id'=>$this->getRequest()->getParam('block_id')));
        }

        Mage::getSingleton('adminhtml/session')->addSuccess('Block was saved successfully!');

        $this->_redirect('*/*/'.$this->getRequest()->getParam('back','index'),array('block_id'=>$block->getId()));
    }

    public function deleteAction()
    {
        $block = Mage::getModel('siteblocks/block')
            ->setId($this->getRequest()->getParam('block_id'))
            ->delete();
        if($block->getId()) {
            Mage::getSingleton('adminhtml/session')->addSuccess('Block was deleted successfully!');
        }
        $this->_redirect('*/*/');

    }

    public function massStatusAction()
    {
        $statuses = $this->getRequest()->getParams();
        try {
            $blocks= Mage::getModel('siteblocks/block')
                ->getCollection()
                ->addFieldToFilter('block_id',array('in'=>$statuses['massaction']));
            foreach($blocks as $block) {
                $block->setBlockStatus($statuses['block_status'])->save();
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            return $this->_redirect('*/*/');
        }
        Mage::getSingleton('adminhtml/session')->addSuccess('Blocks were updated!');

        return $this->_redirect('*/*/');

    }

    public function massDeleteAction()
    {
        $blocks = $this->getRequest()->getParams();
        try {
            $blocks= Mage::getModel('siteblocks/block')
                ->getCollection()
                ->addFieldToFilter('block_id',array('in'=>$blocks['massaction']));
            foreach($blocks as $block) {
                $block->delete();
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            return $this->_redirect('*/*/');
        }
        Mage::getSingleton('adminhtml/session')->addSuccess('Blocks were deleted!');

        return $this->_redirect('*/*/');

    }
}

<?xml version="1.0"?>
<layout version="1.0.0">
    <adminhtml_siteblocks_edit>
        <update handle="editor"/>
        <reference name="head">
            <action method="setCanLoadExtJs"><flag>1</flag></action>
            <action method="setCanLoadRulesJs"><flag>1</flag></action>
        </reference>
<!-- Выводим блок вкладок на странице редактирования -->
        <reference name="left">
            <block type="siteblocks/adminhtml_siteblocks_edit_tabs" name="siteblocks_tabs">
<!-- 2 cпособа добавления вкладок в макете -->

               <block name="conditions_tab" type="siteblocks/adminhtml_siteblocks_edit_tab_conditions"/>
                <action method="addTab"><name>my_conditions</name><block>conditions_tab</block></action>

                <action method="addTab"><name>my_conditions</name><block>siteblocks/adminhtml_siteblocks_edit_tab_conditions</block></action>
            </block>
        </reference>
    </adminhtml_siteblocks_edit>

    <adminhtml_system_config_edit>
        <update handle="editor"/>
    </adminhtml_system_config_edit>

</layout>

<?php
class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Tabs extends Mage_Adminhtml_Block_Widget_Tabs
{

    public function __construct()
    {
        parent::__construct();
        $this->setId('block_tabs');
        $this->setDestElementId('edit_form');
        $this->setTitle(Mage::helper('siteblocks')->__('Block Information'));
    }

    protected function _prepareLayout()
    {
        $this->addTab('main_tab',array(
            'label' => $this->__('Main'),
            'title' => $this->__('Main'),
            'content' => $this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks_edit_tab_main')->toHtml()
        ));

        $this->addTab('conditions_tab',array(
            'label' => $this->__('Conditions'),
            'title' => $this->__('Conditions'),
            'content' => $this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks_edit_tab_conditions')->toHtml()
        ));
//вкладку с товарами будет использовать AJAX, поэтому не используем массив параметров как примере выше
        $this->addTab('products_tab','siteblocks/adminhtml_siteblocks_edit_tab_products');

        return parent::_prepareLayout();
    }
}

<?php

class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Tab_Products extends Mage_Adminhtml_Block_Widget_Form implements Mage_Adminhtml_Block_Widget_Tab_Interface
{

    public function getTabTitle()
    {
        return $this->__('Products');
    }

    public function getTabLabel()
    {
        return $this->__('Products');
    }

    public function canShowTab()
    {
        return true;
    }

    public function isHidden()
    {
        return false;
    }

    public function getClass()
    {
        return 'ajax';
    }

    public function getTabClass()
    {
        return 'ajax';
    }

#URL для запросов, ('_current'=>true) передадим в урл все параметры, а значит и текущий block_id там тоже будет
    public function getTabUrl()
    {
        return $this->getUrl('*/*/products',array('_current'=>true));
    }
}

<?php
class IGN_Siteblocks_Adminhtml_SiteblocksController extends Mage_Adminhtml_Controller_Action {

    public function indexAction()
    {
        $this->loadLayout();
        $this->_addContent($this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks'));
        $this->renderLayout();
    }

    public function newAction()
    {
        $this->_forward('edit');
    }

    public function editAction()
    {
        $id = $this->getRequest()->getParam('block_id');
        Mage::register('siteblocks_block',Mage::getModel('siteblocks/block')->load($id));
        $blockObject = (array)Mage::getSingleton('adminhtml/session')->getBlockObject(true);
        if(count($blockObject)) {
            Mage::registry('siteblocks_block')->setData($blockObject);
        }
        $this->loadLayout();
        //$this->_addLeft($this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks_edit_tabs'));
        $this->_addContent($this->getLayout()->createBlock('siteblocks/adminhtml_siteblocks_edit'));
        $this->renderLayout();
    }

    protected function _uploadFile($fieldName,$model)
    {

        if( ! isset($_FILES[$fieldName])) {
            return false;
        }
        $file = $_FILES[$fieldName];

        if(isset($file['name']) && (file_exists($file['tmp_name']))){
            if($model->getId()){
                unlink(Mage::getBaseDir('media').DS.$model->getData($fieldName));
            }
            try
            {
                $path = Mage::getBaseDir('media') . DS . 'siteblocks' . DS;
                $uploader = new Varien_File_Uploader($file);
                $uploader->setAllowedExtensions(array('jpg','png','gif','jpeg'));
                $uploader->setAllowRenameFiles(true);
                $uploader->setFilesDispersion(false);

                $uploader->save($path, $file['name']);
                $model->setData($fieldName,$uploader->getUploadedFileName());
                return true;
            }
            catch(Exception $e)
            {
                return false;
            }
        }
    }

    public function saveAction()
    {
        try {
            $id = $this->getRequest()->getParam('block_id');
            /** @var IGN_Siteblocks_Model_Block $block */
            $block = Mage::getModel('siteblocks/block')->load($id);
            /*$block
                ->setTitle($this->getRequest()->getParam('title'))
                ->setContent($this->getRequest()->getParam('content'))
                ->setBlockStatus($this->getRequest()->getParam('block_status'))
                ->save();*/
            $data = $this->getRequest()->getParams();

#вот такой участок отвечает за сохранение отмеченных чекбоками товаров
            $links = $this->getRequest()->getPost('links', array());
            if (array_key_exists('products', $links)) {
                $selectedProducts = Mage::helper('adminhtml/js')->decodeGridSerializedInput($links['products']);
                $products = array();
                foreach($selectedProducts as $product => $position) {
                    $products[$product] = isset($position['position']) ? $position['position'] : $product;
                }
                $data['products'] = $products;
            }

            if (isset($data['rule']['conditions'])) {
                $data['conditions'] = $data['rule']['conditions'];
            }
            unset($data['rule']);
            $block
                ->loadPost($data);
            $this->_uploadFile('image',$block);
            $block
                ->setCreatedAt(Mage::app()->getLocale()->date())
                ->save();

            if(!$block->getId()) {
                Mage::getSingleton('adminhtml/session')->addError('Cannot save the block');
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            Mage::getSingleton('adminhtml/session')->setBlockObject($block->getData());
            return  $this->_redirect('*/*/edit',array('block_id'=>$this->getRequest()->getParam('block_id')));
        }

        Mage::getSingleton('adminhtml/session')->addSuccess('Block was saved successfully!');

        $this->_redirect('*/*/'.$this->getRequest()->getParam('back','index'),array('block_id'=>$block->getId()));
    }

    public function deleteAction()
    {
        $block = Mage::getModel('siteblocks/block')
            ->setId($this->getRequest()->getParam('block_id'))
            ->delete();
        if($block->getId()) {
            Mage::getSingleton('adminhtml/session')->addSuccess('Block was deleted successfully!');
        }
        $this->_redirect('*/*/');

    }

    public function massStatusAction()
    {
        $statuses = $this->getRequest()->getParams();
        try {
            $blocks= Mage::getModel('siteblocks/block')
                ->getCollection()
                ->addFieldToFilter('block_id',array('in'=>$statuses['massaction']));
            foreach($blocks as $block) {
                $block->setBlockStatus($statuses['block_status'])->save();
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            return $this->_redirect('*/*/');
        }
        Mage::getSingleton('adminhtml/session')->addSuccess('Blocks were updated!');

        return $this->_redirect('*/*/');

    }

    public function massDeleteAction()
    {
        $blocks = $this->getRequest()->getParams();
        try {
            $blocks= Mage::getModel('siteblocks/block')
                ->getCollection()
                ->addFieldToFilter('block_id',array('in'=>$blocks['massaction']));
            foreach($blocks as $block) {
                $block->delete();
            }
        } catch(Exception $e) {
            Mage::logException($e);
            Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
            return $this->_redirect('*/*/');
        }
        Mage::getSingleton('adminhtml/session')->addSuccess('Blocks were deleted!');

        return $this->_redirect('*/*/');

    }

#2 наших новых экшена для AJAX запросов
    public function productsAction()
    {
        $this->loadLayout()
            ->renderLayout();
    }

    public function productsgridAction()
    {
        $this->loadLayout()
            ->renderLayout();
    }
}

<?xml version="1.0"?>
<layout version="1.0.0">
    <adminhtml_siteblocks_edit>
        <update handle="editor"/>
        <reference name="head">
            <action method="setCanLoadExtJs"><flag>1</flag></action>
            <action method="setCanLoadRulesJs"><flag>1</flag></action>
        </reference>
        <reference name="left">
            <block type="siteblocks/adminhtml_siteblocks_edit_tabs" name="siteblocks_tabs">
               <!-- <block name="conditions_tab" type="siteblocks/adminhtml_siteblocks_edit_tab_conditions"/>
                <action method="addTab"><name>my_conditions</name><block>conditions_tab</block></action>-->
                <!--<action method="addTab"><name>my_conditions</name><block>siteblocks/adminhtml_siteblocks_edit_tab_conditions</block></action>-->
            </block>
        </reference>
    </adminhtml_siteblocks_edit>

    <adminhtml_system_config_edit>
        <update handle="editor"/>
    </adminhtml_system_config_edit>

<!-- Тут выводим таблицу товаров, а всякие дополнительные параметры нужны, что бы можно было сохранять отмеченные товары -->
    <adminhtml_siteblocks_products>
        <block type="core/text_list" name="root" output="toHtml">
            <block type="siteblocks/adminhtml_siteblocks_edit_tab_products_grid" name="siteblocks_products"/>
            <block type="adminhtml/widget_grid_serializer" name="siteblocks_products_serializer">
                <reference name="siteblocks_products_serializer">
                    <action method="initSerializerBlock">
                        <grid_block_name>siteblocks_products</grid_block_name>
                        <data_callback>getSelectedBlockProducts</data_callback>
                        <hidden_input_name>links[products]</hidden_input_name>
                        <reload_param_name>siteblocks_products</reload_param_name>
                    </action>
                    <action method="addColumnInputName">
                        <input_name>position</input_name>
                    </action>
                </reference>
            </block>
        </block>
    </adminhtml_siteblocks_products>

<!-- Тут просто выводим хтмл таблицы товаров -->
    <adminhtml_siteblocks_productsgrid>
        <block type="core/text_list" name="root" output="toHtml">
            <block type="siteblocks/adminhtml_siteblocks_edit_tab_products_grid" name="block_products"/>
        </block>
    </adminhtml_siteblocks_productsgrid>

</layout>

<?php
class IGN_Siteblocks_Block_Adminhtml_Siteblocks_Edit_Tab_Products_Grid extends Mage_Adminhtml_Block_Widget_Grid
{

    protected $_block;
    /**
     * Set grid params
     *
     */
    public function __construct()
    {
        parent::__construct();
        $this->setId('siteblocks_product_grid');
        $this->setDefaultSort('entity_id');
        $this->setUseAjax(true);
        if ($this->_getBlock()->getId()) {
            $this->setDefaultFilter(array('in_products'=>1));
        }
        if ($this->isReadonly()) {
            $this->setFilterVisibility(false);
        }
    }

    protected function _getBlock()
    {
        if(!$this->_block) {
            $this->_block = Mage::getModel('siteblocks/block')->load($this->getRequest()->getParam('block_id'));
        }
        return $this->_block;
    }


    protected function _addColumnFilterToCollection($column)
    {
        // Set custom filter for in product flag
        if ($column->getId() == 'in_products') {
            $productIds = $this->_getSelectedProducts();
            if (empty($productIds)) {
                $productIds = 0;
            }
            if ($column->getFilter()->getValue()) {
                $this->getCollection()->addFieldToFilter('entity_id', array('in'=>$productIds));
            } else {
                if($productIds) {
                    $this->getCollection()->addFieldToFilter('entity_id', array('nin'=>$productIds));
                }
            }
        } else {
            parent::_addColumnFilterToCollection($column);
        }
        return $this;
    }

    /**
     * Checks when this block is readonly
     *
     * @return boolean
     */
    public function isReadonly()
    {
        return $this->_getBlock()->getUpsellReadonly();
    }

    protected function _prepareCollection()
    {
#тут можем указать какую коллекцию используем для таблицы
        $collection = Mage::getResourceModel('catalog/product_collection')
            ->addAttributeToSelect('*');

        if ($this->isReadonly()) {
            $productIds = $this->_getSelectedProducts();
            if (empty($productIds)) {
                $productIds = array(0);
            }
            $collection->addFieldToFilter('entity_id', array('in'=>$productIds));
        }

        $this->setCollection($collection);
        return parent::_prepareCollection();
    }

    /**
     * Add columns to grid
     *
     * @return Mage_Adminhtml_Block_Widget_Grid
     */
    protected function _prepareColumns()
    {
#колонки добавляются как в любой другой таблице
        if (!$this->_getBlock()->getUpsellReadonly()) {
            $this->addColumn('in_products', array(
                'header_css_class' => 'a-center',
                'type'      => 'checkbox',
                'name'      => 'in_products',
                'values'    => $this->_getSelectedProducts(),
                'align'     => 'center',
                'index'     => 'entity_id'
            ));
        }

        $this->addColumn('entity_id', array(
            'header'    => Mage::helper('catalog')->__('ID'),
            'sortable'  => true,
            'width'     => 60,
            'index'     => 'entity_id'
        ));
        $this->addColumn('name', array(
            'header'    => Mage::helper('catalog')->__('Name'),
            'index'     => 'name'
        ));

        $this->addColumn('type', array(
            'header'    => Mage::helper('catalog')->__('Type'),
            'width'     => 100,
            'index'     => 'type_id',
            'type'      => 'options',
            'options'   => Mage::getSingleton('catalog/product_type')->getOptionArray(),
        ));

        $sets = Mage::getResourceModel('eav/entity_attribute_set_collection')
            ->setEntityTypeFilter(Mage::getModel('catalog/product')->getResource()->getTypeId())
            ->load()
            ->toOptionHash();

        $this->addColumn('set_name', array(
            'header'    => Mage::helper('catalog')->__('Attrib. Set Name'),
            'width'     => 130,
            'index'     => 'attribute_set_id',
            'type'      => 'options',
            'options'   => $sets,
        ));

        $this->addColumn('status', array(
            'header'    => Mage::helper('catalog')->__('Status'),
            'width'     => 90,
            'index'     => 'status',
            'type'      => 'options',
            'options'   => Mage::getSingleton('catalog/product_status')->getOptionArray(),
        ));

        $this->addColumn('visibility', array(
            'header'    => Mage::helper('catalog')->__('Visibility'),
            'width'     => 90,
            'index'     => 'visibility',
            'type'      => 'options',
            'options'   => Mage::getSingleton('catalog/product_visibility')->getOptionArray(),
        ));

        $this->addColumn('sku', array(
            'header'    => Mage::helper('catalog')->__('SKU'),
            'width'     => 80,
            'index'     => 'sku'
        ));

        $this->addColumn('price', array(
            'header'        => Mage::helper('catalog')->__('Price'),
            'type'          => 'currency',
            'currency_code' => (string) Mage::getStoreConfig(Mage_Directory_Model_Currency::XML_PATH_CURRENCY_BASE),
            'index'         => 'price'
        ));

        $this->addColumn('position', array(
            'header'            => Mage::helper('catalog')->__('Position'),
            'name'              => 'position',
            'type'              => 'number',
            'width'             => 60,
            'validate_class'    => 'validate-number',
            'index'             => 'position',
            'editable'          => true
        ));

        return parent::_prepareColumns();
    }

#этот URL будет использоваться при сортировке и фильтрации
    public function getGridUrl()
    {
        return $this->_getData('grid_url') ? $this->_getData('grid_url') : $this->getUrl('*/*/productsgrid', array('_current'=>true));
    }

    protected function _getSelectedProducts()
    {
       return array_keys($this->getSelectedBlockProducts());
    }

    public function getSelectedBlockProducts()
    {
        $selected = $this->getRequest()->getParam('siteblocks_products');

        $products = array();
        foreach ($this->_getBlock()->getProducts() as $product => $position) {
            $products[$product] = array('position' => $position);
        }
        foreach ($selected as $product) {
            if(!isset($products[$product])) {
                $products[$product] = array('position'=>$product);
            }
        }
        return $products;
    }
}

<?php
/** @var Mage_Core_Model_Resource_Setup $installer */
$installer = $this;
$installer->startSetup();
$installer->run("
ALTER TABLE `{$this->getTable('siteblocks/block')}` ADD `products` TEXT NOT NULL;
");
$installer->endSetup();

<?php

/**
 * Class IGN_Siteblocks_Model_Block
 * @method getBlockStatus()
 * @method getContent()
 * @method getImage()
 */
class IGN_Siteblocks_Model_Block extends Mage_Rule_Model_Abstract {

    protected $_eventPrefix = 'siteblocks_block';

    public function getActionsInstance()
    {
        return Mage::getModel('catalogrule/rule_action_collection');
    }

    public function getConditionsInstance()
    {
        return Mage::getModel('catalogrule/rule_condition_combine');
    }

    public function _construct()
    {
        parent::_construct();
        $this->_init('siteblocks/block');

    }

    public function getImageSrc()
    {
        return Mage::getBaseUrl('media') . 'siteblocks' . DS . $this->getImage();
    }

#перед сохранением преобразуем массив в строку
    protected function _beforeSave()
    {
        parent::_beforeSave();
        if(is_array($this->getData('products'))) {
            $this->setData('products',json_encode($this->getData('products')));
        }
    }
#после загрузки преобразуем строку в массив
    protected function _afterLoad()
    {
        parent::_beforeSave();
        if(!empty($this->getData('products'))) {
            $this->setData('products',(array)json_decode($this->getData('products')));
        }
    }

#дополнительный метод, который вернет нам массив всегда
    public function getProducts()
    {
        if(!is_array($this->getData('products'))) {
            $this->setData('products',(array)json_decode($this->getData('products')));
        }
        return $this->getData('products');
    }
}

<?php if(count($this->getLoadedProductCollection()->getItems())): ?>
    <div class="box-collateral box-up-sell">
        <h2><?php echo $this->__('You may also like') ?></h2>
        <ul class="products-grid products-grid--max-4-col" id="upsell-product-table">
            <?php foreach ($this->getLoadedProductCollection()->getItems() as $_link): ?>
                <li>
                    <a href="<?php echo $_link->getProductUrl() ?>" title="<?php echo $this->escapeHtml($_link->getName()) ?>" class="product-image">
                        <img src="<?php echo $this->helper('catalog/image')->init($_link, 'small_image')->resize(280) ?>" alt="<?php echo $this->escapeHtml($_link->getName()) ?>" />
                    </a>
                    <h3 class="product-name"><a href="<?php echo $_link->getProductUrl() ?>" title="<?php echo $this->escapeHtml($_link->getName()) ?>"><?php echo $this->escapeHtml($_link->getName()) ?></a></h3>
                    <?php echo $this->getPriceHtml($_link, true, '-upsell') ?>
                </li>
            <?php endforeach; ?>
        </ul>
    </div>
<?php endif ?>

<?php foreach($this->getBlocks() as $block):?>
    <div class="siteblock">
        <div class="block-title"><?php echo $block->getTitle()?></div>
        <div class="block-image">
            <?php if($block->getImage()):?>
                <img src="<?php echo $block->getImageSrc()?>" height="150" width="auto" alt="<?php $block->getTitle()?>" title="<?php $block->getTitle()?>">
            <?php endif;?>
        </div>
        <div class="block-content"><?php echo $this->getBlockContent($block)?></div>

        <div class="block-product-list">
            <?php echo $this->getProductsList($block)?>
        </div>
    </div>
<?php endforeach;?>

<?php
class IGN_Siteblocks_Block_List extends Mage_Core_Block_Template {

    public function getBlocks()
    {
        //return Mage::getResourceModel('siteblocks/block_collection');
        $items = Mage::getModel('siteblocks/block')->getCollection()
            ->addFieldToFilter('block_status',array('eq'=>IGN_Siteblocks_Model_Source_Status::ENABLED));
        $filteredItems = $items;
        if(Mage::registry('current_product') instanceof Mage_Catalog_Model_Product) {
            $filteredItems = array();
            /** @var IGN_Siteblocks_Model_Block $item */
            foreach ($items as $item) {
                if($item->validate(Mage::registry('current_product'))) {
                    $filteredItems[] = $item;
                }
            }
        }
        return $filteredItems;
    }

    public function getBlockContent($block)
    {
        $processor = Mage::helper('cms')->getBlockTemplateProcessor();
        $html = $processor->filter($block->getContent());
        return $html;
    }
//этот метод используем для вывода товаров
    public function getProductsList($block)
    {
        $products = $block->getProducts();
        asort($products);
        $collection = Mage::getResourceModel('catalog/product_collection')
            ->addFieldToFilter('entity_id',array('in'=>array_keys($products)))
            ->addAttributeToSelect('*');
        /** @var Mage_Catalog_Block_Product_List $list */
        $list = $this->getLayout()->createBlock('catalog/product_list');
        $list->setCollection($collection);
        $list->setTemplate('siteblocks/product/list.phtml');
        return $list->toHtml();
    }

}

<?xml version="1.0"?>
<config>
   <sections>
        <payment>
            <groups>
                <ignpayment translate="label">
                    <label>IGN Payment</label>
                    <frontend_type>text</frontend_type>
                    <sort_order>30</sort_order>
                    <show_in_default>1</show_in_default>
                    <show_in_website>1</show_in_website>
                    <show_in_store>1</show_in_store>
                    <fields>
                        <active translate="label">
                            <label>Enabled</label>
                            <frontend_type>select</frontend_type>
                            <source_model>adminhtml/system_config_source_yesno</source_model>
                            <sort_order>1</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </active>
                        <order_status translate="label">
                            <label>New Order Status</label>
                            <frontend_type>select</frontend_type>
                            <source_model>adminhtml/system_config_source_order_status_newprocessing</source_model>
                            <sort_order>2</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </order_status>
                        <payment_action translate="label">
                            <label>Automatically Invoice All Items</label>
                            <frontend_type>select</frontend_type>
                            <source_model>payment/source_invoice</source_model>
                            <sort_order>3</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                            <depends>
                                <order_status separator=",">processing,processed_ogone</order_status>
                            </depends>
                        </payment_action>
                        <sort_order translate="label">
                            <label>Sort Order</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>100</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                            <frontend_class>validate-number</frontend_class>
                        </sort_order>
                        <title translate="label">
                            <label>Title</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>1</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>1</show_in_store>
                        </title>
                        <allowspecific translate="label">
                            <label>Payment from Applicable Countries</label>
                            <frontend_type>allowspecific</frontend_type>
                            <sort_order>50</sort_order>
                            <source_model>adminhtml/system_config_source_payment_allspecificcountries</source_model>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </allowspecific>
                        <specificcountry translate="label">
                            <label>Payment from Specific Countries</label>
                            <frontend_type>multiselect</frontend_type>
                            <sort_order>51</sort_order>
                            <source_model>adminhtml/system_config_source_country</source_model>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                            <can_be_empty>1</can_be_empty>
                        </specificcountry>
                        <min_order_total translate="label">
                            <label>Minimum Order Total</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>98</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </min_order_total>
                        <max_order_total translate="label">
                            <label>Maximum Order Total</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>99</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </max_order_total>
                        <secret_code translate="label">
                            <label>Secret Code</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>99</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </secret_code>
                    </fields>
                </ignpayment>
            </groups>
        </payment>
    </sections>
</config>

<?xml version="1.0"?>
<config>
    <modules>
        <IGN_Payment>
            <version>1.0.0</version>
        </IGN_Payment>
    </modules>
    <global>
        <models>
            <ignpayment>
                <class>IGN_Payment_Model</class>
            </ignpayment>
        </models>
        <resources>
            <payment_setup>
                <setup>
                    <module>IGN_Payment</module>
                </setup>
            </payment_setup>
        </resources>
        <blocks>
            <ignpayment>
                <class>IGN_Payment_Block</class>
            </ignpayment>
        </blocks>
        <helpers>
            <ignpayment>
                <class>IGN_Payment_Helper</class>
            </ignpayment>
        </helpers>
    </global>
    <frontend>
        <translate>
            <modules>
                <IGN_Payment>
                    <files>
                        <default>IGN_Payment.csv</default>
                    </files>
                </IGN_Payment>
            </modules>
        </translate>
    </frontend>
    <adminhtml>
        <translate>
            <modules>
                <IGN_Payment>
                    <files>
                        <default>IGN_Payment.csv</default>
                    </files>
                </IGN_Payment>
            </modules>
        </translate>
    </adminhtml>
    <default>
        <payment>
            <ignpayment>
                <active>1</active>
                <model>ignpayment/method</model> <!-- Самый важный момент в настройках -->
                <order_status>pending</order_status>
                <title>Secret Code</title>
                <allowspecific>0</allowspecific>
                <sort_order>1</sort_order>
                <group>offline</group>
            </ignpayment>
        </payment>
    </default>
</config>

<?php
class IGN_Payment_Model_Method extends Mage_Payment_Model_Method_Abstract {

//нельзя забывать указать код метода
    protected $_code = 'ignpayment';

//указываем block type
    protected $_formBlockType = 'ignpayment/form';
    protected $_infoBlockType = 'ignpayment/info';

//этот метод используется для валидации секретного кода, а так же любых интересующих нас параметров корзины
    public function validate()
    {
        $code = Mage::app()->getRequest()->getParam('secret_code');
        if($code != $this->getConfigData('secret_code')) {
            Mage::throwException(Mage::helper('ignpayment')->__("This code doesn't work!"));
        }
        return parent::validate();
    }
}

<?php

/**
 * Payment method form base block
 */
class IGN_Payment_Block_Form extends Mage_Payment_Block_Form
{
    public function _construct()
    {
        parent::_construct();
//самое главное, это указать свой темплейт, остальную логику мы наследуем от родительского класса
        $this->setTemplate('ignpayment/form.phtml');
    }
}

<?php
class IGN_Payment_Block_Info extends Mage_Payment_Block_Info
{
    protected function _construct()
    {
        parent::_construct();
        $this->setTemplate('ignpayment/info.phtml');
    }
}

<!-- Следите за id, он должен начинаться с преффикса payment_form_, а сам элемент по-умолчанию скрыт -->
<div id="payment_form_ignpayment" style="display: none">
    <input type="text" name="secret_code" autocomplete="off">
<!-- Тут может быть форма ввода карточки или других реквизитов -->
</div>

<p><strong><?php echo $this->escapeHtml($this->getMethod()->getTitle()) ?></strong></p>

<?php if ($_specificInfo = $this->getSpecificInformation()):?>
<table>
    <tbody>
    <?php foreach ($_specificInfo as $_label => $_value):?>
        <tr>
            <th><strong><?php echo $this->escapeHtml($_label)?>:</strong></th>
        </tr>
        <tr>
            <td><?php echo nl2br(implode($this->getValueAsArray($_value, true), "n"))?></td>
        </tr>
    <?php endforeach; ?>
    </tbody>
</table>
<?php endif;?>
<?php echo $this->getChildHtml()?>

<?xml version="1.0"?>
<config>
    <modules>
        <IGN_Shipment>
            <version>1.0.0</version>
        </IGN_Shipment>
    </modules>
    <global>
        <models>
            <ignshipment>
                <class>IGN_Shipment_Model</class>
            </ignshipment>
        </models>
        <helpers>
            <ignshipment>
                <class>IGN_Shipment_Helper</class>
            </ignshipment>
        </helpers>
    </global>
    <adminhtml>
        <translate>
            <modules>
                <IGN_Shipment>
                    <files>
                        <default>IGN_Shipment.csv</default>
                    </files>
                </IGN_Shipment>
            </modules>
        </translate>
    </adminhtml>
    <frontend>
        <translate>
            <modules>
                <IGN_Shipment>
                    <files>
                        <default>IGN_Shipment.csv</default>
                    </files>
                </IGN_Shipment>
            </modules>
        </translate>
    </frontend>
    <default>
        <carriers>
            <ignshipment>
                <active>1</active>
                <sallowspecific>0</sallowspecific>
                <model>ignshipment/carrier</model> <!-- Главное указать модель -->
                <name>IGN Shipment</name>
                <price>5.00</price>
                <title>IGN Shipment</title>
                <type>I</type>
                <specificerrmsg>This shipping method is currently unavailable. If you would like to ship using this shipping method, please contact us.</specificerrmsg>
                <handling_type>F</handling_type>
                <packet_max_weight>2000</packet_max_weight>
            </ignshipment>
        </carriers>
    </default>
</config>

<?xml version="1.0"?>
<config>
    <sections>
        <carriers>
            <groups>
                <ignshipment translate="label">
                    <label>IGN Shipping</label>
                    <frontend_type>text</frontend_type>
                    <sort_order>2</sort_order>
                    <show_in_default>1</show_in_default>
                    <show_in_website>1</show_in_website>
                    <show_in_store>1</show_in_store>
                    <fields>
                        <active translate="label">
                            <label>Enabled</label>
                            <frontend_type>select</frontend_type>
                            <source_model>adminhtml/system_config_source_yesno</source_model>
                            <sort_order>1</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </active>
                        <name translate="label">
                            <label>Method Name</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>3</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>1</show_in_store>
                        </name>
                        <price translate="label">
                            <label>Price</label>
                            <frontend_type>text</frontend_type>
                            <validate>validate-number validate-zero-or-greater</validate>
                            <sort_order>5</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </price>
                        <handling_type translate="label">
                            <label>Calculate Handling Fee</label>
                            <frontend_type>select</frontend_type>
                            <source_model>shipping/source_handlingType</source_model>
                            <sort_order>7</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </handling_type>
                        <handling_fee translate="label">
                            <label>Handling Fee</label>
                            <frontend_type>text</frontend_type>
                            <validate>validate-number validate-zero-or-greater</validate>
                            <sort_order>8</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </handling_fee>
                        <sort_order translate="label">
                            <label>Sort Order</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>100</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </sort_order>
                        <title translate="label">
                            <label>Title</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>2</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>1</show_in_store>
                        </title>
                        <type translate="label">
                            <label>Type</label>
                            <frontend_type>select</frontend_type>
                            <source_model>adminhtml/system_config_source_shipping_flatrate</source_model>
                            <sort_order>4</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </type>
                        <sallowspecific translate="label">
                            <label>Ship to Applicable Countries</label>
                            <frontend_type>select</frontend_type>
                            <sort_order>90</sort_order>
                            <frontend_class>shipping-applicable-country</frontend_class>
                            <source_model>adminhtml/system_config_source_shipping_allspecificcountries</source_model>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </sallowspecific>
                        <specificcountry translate="label">
                            <label>Ship to Specific Countries</label>
                            <frontend_type>multiselect</frontend_type>
                            <sort_order>91</sort_order>
                            <source_model>adminhtml/system_config_source_country</source_model>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                            <can_be_empty>1</can_be_empty>
                        </specificcountry>
                        <showmethod translate="label">
                            <label>Show Method if Not Applicable</label>
                            <frontend_type>select</frontend_type>
                            <sort_order>92</sort_order>
                            <source_model>adminhtml/system_config_source_yesno</source_model>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                        </showmethod>
                        <specificerrmsg translate="label">
                            <label>Displayed Error Message</label>
                            <frontend_type>textarea</frontend_type>
                            <sort_order>80</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>1</show_in_store>
                        </specificerrmsg>
                        <packet_max_weight>
                            <label>Packet Max Weight</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>80</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>1</show_in_store>
                        </packet_max_weight>
                    </fields>
                </ignshipment>
            </groups>
        </carriers>
    </sections>
</config>

<?php
class IGN_Shipment_Model_Carrier extends Mage_Shipping_Model_Carrier_Abstract implements Mage_Shipping_Model_Carrier_Interface {

    protected $_code = 'ignshipment';

    public function collectRates(Mage_Shipping_Model_Rate_Request $request)
    {
        /** @var Mage_Shipping_Model_Rate_Result $result */
        $result = Mage::getModel('shipping/rate_result');

        $weight = $request->getPackageWeight();

        /** @var Mage_Shipping_Model_Rate_Result_Method $method */
        $method = Mage::getModel('shipping/rate_result_method');

        $method->setCarrier($this->_code);
        $method->setCarrierTitle($this->getConfigData('title'));

//В зависимости от общего веса узнаем стоимость у соответствующего способа доставки
        if($weight > $this->getConfigData('packet_max_weight')) {
            $this->_getBoxMethod($weight,$method);
        } else {
            $this->_getPacketMethod($weight,$method);
        }

        $result->append($method);

        return $result;
    }

    protected function _getPacketMethod($weight,$method)
    {
        $method->setMethod('packet');
        $method->setMethodTitle('Packet belpost');
        $sum = Mage::helper('ignshipment')->getPacketCost($weight);
        $method->setPrice($sum/19050);
    }

    protected function _getBoxMethod($weight,$method)
    {
        $method->setMethod('box');
        $method->setMethodTitle('Box belpost');
        $sum = Mage::helper('ignshipment')->getBoxCost($weight);
        $method->setPrice($sum/19050);
    }

//Мы не будем реализовывать отслеживание по проблеме отсутствия API
    public function isTrackingAvailable()
    {
        return false;
    }

    public function getAllowedMethods()
    {
//по задумке у нас 2 способа доставки. Пакет до 2000 граммов, и посылка
        return array(
            'packet' => 'Packet belpost',
            'box'  => 'Box belpost'
        );
    }

}

<?php
class IGN_Shipment_Helper_Data extends Mage_Core_Helper_Abstract {


    public function getPacketCost($weight)
    {
        $request = new Zend_Http_Client();
        $request->setUri('http://tarifikator.belpost.by/forms/international/packet.php');
        $request->setParameterPost(array(
            'who'=>'ur',
            'type'=>'registered',
            'priority'=>'priority',
            'to'=>'other',
            'weight'=>$weight
                                         ));
        $response = $request->request(Zend_Http_Client::POST);

        $html = $response->getBody();

        $tag_regex = "/<blockquote>(.*)</blockquote>/im";
        $sum_reqex = "/(d+)/is";
        preg_match_all($tag_regex,
            $html,
            $matches,
            PREG_PATTERN_ORDER);
        if(isset($matches[1]) && isset($matches[1][0])) {
            preg_match($sum_reqex,$matches[1][0],$matches);
            if(isset($matches[0])) {
                return (float)$matches[0];
            }
        }
		//делаем вывод стандартной цены, если не удалось узнать на сайте
		//а можно вернуть ошибку и сделать метод недоступным для использования
        return Mage::getStoreConfig('carriers/ignshipment/price');
    }

    public function getBoxCost($weight)
    {
        $request = new Zend_Http_Client();
        $request->setUri('http://tarifikator.belpost.by/forms/international/ems.php');
        $request->setParameterPost(array(
            'who'=>'ur',
            'type'=>'goods',
            'to'=>'n10', //тут простая затычка. нужно создавать ассоциативный массив таких кодов с сайта и кодов страны, т.к. в Magento это US, NZ, AU, а на белпочте это n1,n2,n3 и тд.
            'weight'=>$weight
        ));
        $response = $request->request(Zend_Http_Client::POST);

        $html = $response->getBody();

        $tag_regex = "/<blockquote>(.*)</blockquote>/im";
        $sum_reqex = "/(d+)/is";
        preg_match_all($tag_regex,
            $html,
            $matches,
            PREG_PATTERN_ORDER);
        if(isset($matches[1]) && isset($matches[1][0])) {
            preg_match($sum_reqex,$matches[1][0],$matches);
            if(isset($matches[0])) {
                return $matches[0];
            }
        }
				//делаем вывод стандартной цены, если не удалось узнать на сайте
		//а можно вернуть ошибку и сделать метод недоступным для использования
        return Mage::getStoreConfig('carriers/ignshipment/price');
    }
}