I want to show product grid serialization in admin in my collections module. But I am getting error of
Fatal error: Call to a member function setCollectionsProducts() on a non-object
by printing $this->getLayout()->getBlock object I am getting Boolean false value. What is error in my below code.
CollectionsController.php
class Gdata_Collections_Adminhtml_CollectionsController extends Mage_Adminhtml_Controller_Action{
protected function _initAction()
{
// load layout, set active menu and breadcrumbs
$this->loadLayout()
->_setActiveMenu('custom/manage')
->_addBreadcrumb(
Mage::helper('gdata_collections')->__('Collections'),
Mage::helper('gdata_collections')->__('Collections')
)
->_addBreadcrumb(
Mage::helper('gdata_collections')->__('Manage Collections'),
Mage::helper('gdata_collections')->__('Manage Collections')
)
;
return $this;
}
/**
* Index action
*/
public function indexAction()
{
$this->_title($this->__('Collections'))
->_title($this->__('Manage Collections'));
$this->_initAction();
$this->renderLayout();
}
public function newAction()
{
// the same form is used to create and edit
$this->_forward('edit');
}
public function editAction()
{
$this->_title($this->__('Collections'))
->_title($this->__('Manage Collections'));
$model = Mage::getModel('gdata_collections/collections');
$id = $this->getRequest()->getParam('id');
if ($id) {
$model->load($id);
if (!$model->getId()) {
$this->_getSession()->addError(
Mage::helper('gdata_collections')->__('Collections item does not exist.')
);
return $this->_redirect('*/*/');
}
$this->_title($model->getTitle());
$breadCrumb = Mage::helper('gdata_collections')->__('Edit Item');
} else {
$this->_title(Mage::helper('gdata_collections')->__('Collections Item'));
$breadCrumb = Mage::helper('gdata_collections')->__('Collections Item');
}
$data = Mage::getSingleton('adminhtml/session')->getFormData(true);
if (!empty($data)) {
$model->addData($data);
}
Mage::register('collections_item', $model);
$this->_initAction()->_addBreadcrumb($breadCrumb, $breadCrumb);
$this->renderLayout();
}
public function saveAction()
{
$redirectPath = '*/*';
$redirectParams = array();
$data = $this->getRequest()->getPost();
if ($data) {
$model = Mage::getModel('gdata_collections/collections');
$Id = $this->getRequest()->getParam('id');
if ($Id) {
$model->load($Id);
}
$model->addData($data);
try {
$hasError = false;
$products = $this->getRequest()->getPost('products', -1);
if ($products != -1) {
$model->setProductsData(Mage::helper('adminhtml/js')->decodeGridSerializedInput($products));
}
$model->save();
$this->_getSession()->addSuccess(
Mage::helper('gdata_collections')->__('The collections item has been saved.')
);
if ($this->getRequest()->getParam('back')) {
$redirectPath = '*/*/edit';
$redirectParams = array('id' => $model->getId());
}
} catch (Mage_Core_Exception $e) {
$hasError = true;
$this->_getSession()->addError($e->getMessage());
} catch (Exception $e) {
$hasError = true;
$this->_getSession()->addException($e,
Mage::helper('gdata_collections')->__('An error occurred while saving the news item.')
);
}
if ($hasError) {
$this->_getSession()->setFormData($data);
$redirectPath = '*/*/edit';
$redirectParams = array('id' => $this->getRequest()->getParam('id'));
}
}
$this->_redirect($redirectPath, $redirectParams);
}
public function deleteAction()
{
$itemId = $this->getRequest()->getParam('id');
if ($itemId) {
try {
// init model and delete
$model = Mage::getModel('gdata_collections/collections');
$model->load($itemId);
if (!$model->getId()) {
Mage::throwException(Mage::helper('gdata_collections')->__('Unable to find a news item.'));
}
$model->delete();
// display success message
$this->_getSession()->addSuccess(
Mage::helper('gdata_collections')->__('The collections item has been deleted.')
);
} catch (Mage_Core_Exception $e) {
$this->_getSession()->addError($e->getMessage());
} catch (Exception $e) {
$this->_getSession()->addException($e,
Mage::helper('gdata_collections')->__('An error occurred while deleting the collections item.')
);
}
}
// go to grid
$this->_redirect('*/*/');
}
/**
* Check the permission to run it
*
* @return boolean
*/
protected function _isAllowed()
{
switch ($this->getRequest()->getActionName()) {
case 'new':
case 'save':
return Mage::getSingleton('admin/session')->isAllowed('custom/manage/save');
break;
case 'delete':
return Mage::getSingleton('admin/session')->isAllowed('custom/manage/delete');
break;
default:
return Mage::getSingleton('admin/session')->isAllowed('custom/manage');
break;
}
}
/**
* Grid ajax action
*/
public function gridAction()
{
$this->loadLayout();
$this->renderLayout();
}
public function productsAction(){
$this->_initAction();
$this->loadLayout();
$this->getLayout()->getBlock('collections.edit.tab.product')->setCollectionsProducts($this->getRequest()->getPost('collections_products', null));
$this->renderLayout();
}
public function productsGridAction(){
$this->loadLayout();
$this->getLayout()->getBlock('collections.edit.tab.product')->setCollectionsProducts($this->getRequest()->getPost('collections_products', null));
$this->renderLayout();
}}
gdata_collections.xml
<adminhtml_collections_grid>
<block type="gdata_collections/adminhtml_collections_grid" name="root"/>
</adminhtml_collections_grid>
<adminhtml_collections_new>
<update handle="adminhtml_collections_edit" />
</adminhtml_collections_new>
<adminhtml_collections_edit>
<update handle="editor"/>
<reference name="content">
<block type="gdata_collections/adminhtml_collections_edit" name="collections_edit" />
</reference>
<reference name="left">
<block type="gdata_collections/adminhtml_collections_edit_tabs" name="collections_collections_tabs">
<block type="gdata_collections/adminhtml_collections_edit_tab_main" name="collections_edit_tab_main" />
<block type="gdata_collections/adminhtml_collections_edit_tab_content" name="collections_edit_tab_content" />
<action method="addTab"><name>main_section</name><block>collections_edit_tab_main</block></action>
<action method="addTab"><name>content_section</name><block>collections_edit_tab_content</block></action>
</block>
</reference>
</adminhtml_collections_edit>
<adminhtml_collections_products>
<block type="core/text_list" name="root" output="toHtml">
<block type="gdata_collections/adminhtml_collections_edit_tab_product" name="collections.edit.tab.product"/>
<block type="adminhtml/widget_grid_serializer" name="product_grid_serializer">
<reference name="product_grid_serializer">
<action method="initSerializerBlock">
<grid_block_name>collections.edit.tab.product</grid_block_name>
<data_callback>getSelectedProducts</data_callback>
<hidden_input_name>products</hidden_input_name>
<reload_param_name>collections_products</reload_param_name>
</action>
<action method="addColumnInputName">
<input_name>position</input_name>
</action>
</reference>
</block>
</block>
</adminhtml_collections_products>
<adminhtml_collections_productsgrid>
<block type="core/text_list" name="root" output="toHtml">
<block type="gdata_collections/adminhtml_collections_edit_tab_product" name="collections.edit.tab.product"/>
</block>
</adminhtml_collections_productsgrid>
config.xml
<config>
<modules>
<Gdata_Collections>
<version>1.0.0.0.1</version>
</Gdata_Collections>
</modules>
<global>
<models>
<gdata_collections>
<class>Gdata_Collections_Model</class>
<resourceModel>collections_resource</resourceModel>
</gdata_collections>
<collections_resource>
<class>Gdata_Collections_Model_Resource</class>
<entities>
<collections>
<table>gdata_collections</table>
</collections>
<collections_product>
<table>gdata_product</table>
</collections_product>
</entities>
</collections_resource>
</models>
<helpers>
<gdata_collections>
<class>Gdata_Collections_Helper</class>
</gdata_collections>
</helpers>
<blocks>
<gdata_collections>
<class>Gdata_Collections_Block</class>
</gdata_collections>
</blocks>
<resources>
<gdata_collections_setup>
<setup>
<module>Gdata_Collections</module>
<class>Mage_Core_Model_Resource_Setup</class>
</setup>
</gdata_collections_setup>
</resources>
</global>
<frontend>
<routers>
<gdata_collections>
<use>standard</use>
<args>
<module>Gdata_Collections</module>
<frontName>collections</frontName>
</args>
</gdata_collections>
</routers>
<layout>
<updates>
<gdata_collections>
<file>gdata_collections.xml</file>
</gdata_collections>
</updates>
</layout>
</frontend>
<admin>
<routers>
<adminhtml>
<args>
<modules>
<Gdata_Collections before="Mage_Adminhtml">Gdata_Collections_Adminhtml</Gdata_Collections>
</modules>
</args>
</adminhtml>
</routers>
</admin>
<adminhtml>
<layout>
<updates>
<gdata_collections>
<file>gdata_collections.xml</file>
</gdata_collections>
</updates>
</layout>
</adminhtml>
Product.php /*** block file*****/
class Gdata_Collections_Block_Adminhtml_Collections_Edit_Tab_Product extends Mage_Adminhtml_Block_Widget_Grid
{
public function __construct(){
parent::__construct();
$this->setId('product_grid');
$this->setDefaultSort('position');
$this->setDefaultDir('ASC');
$this->setUseAjax(true);
if ($this->getCollections()->getId()) {
$this->setDefaultFilter(array('in_products'=>1));
}
}
protected function _prepareCollection() {
$collection = Mage::getResourceModel('catalog/product_collection');
$collection->addAttributeToSelect('price');
$adminStore = Mage_Core_Model_App::ADMIN_STORE_ID;
$collection->joinAttribute('product_name', 'catalog_product/name', 'entity_id', null, 'left', $adminStore);
if ($this->getCollections()->getId()){
$constraint = '{{table}}.collections_id='.$this->getCollections->getId();
}
else{
$constraint = '{{table}}.entity_id=0';
}
$collection->joinField('position',
'gdata_collections/collections_product',
'position',
'product_id=entity_id',
$constraint,
'left');
$this->setCollection($collection);
parent::_prepareCollection();
return $this;
}
protected function _prepareMassaction(){
return $this;
}
protected function _prepareColumns(){
$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('product_name', array(
'header'=> Mage::helper('catalog')->__('Name'),
'align' => 'left',
'index' => 'product_name',
));
$this->addColumn('sku', array(
'header'=> Mage::helper('catalog')->__('SKU'),
'align' => 'left',
'index' => 'sku',
));
$this->addColumn('price', array(
'header'=> Mage::helper('catalog')->__('Price'),
'type' => 'currency',
'width' => '1',
'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',
'width' => 60,
'type' => 'number',
'validate_class'=> 'validate-number',
'index' => 'position',
'editable' => true,
));
}
protected function _getSelectedProducts(){
$products = $this->getCollectionsProducts();
if (!is_array($products)) {
$products = array_keys($this->getSelectedProducts());
}
return $products;
}
public function getSelectedProducts() {
$selected = Mage::registry('collections_item')->getSelectedProducts();
if (!is_array($selected)){
$selected = array();
}
foreach ($selected as $product) {
$products[$product->getId()] = array('position' => $product->getPosition());
}
return $products;
}
public function getRowUrl($item){
return '#';
}
public function getGridUrl(){
return $this->getUrl('*/*/productsGrid', array(
'id'=>$this->getCollections()->getId()
));
}
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;
}
public function getCollections(){
return Mage::helper('gdata_collections')->getColItemInstance();
}}
