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selectors_event_handler.php
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Thu, Jul 3, 4:49 PM

selectors_event_handler.php
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<?php
/**
* @version $Id: selectors_event_handler.php 14640 2011-10-05 14:18:35Z alex $
* @package In-Portal
* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
* @license GNU/GPL
* In-Portal is Open Source software.
* This means that this software may have been modified pursuant
* the GNU General Public License, and as distributed it includes
* or is derivative of works licensed under the GNU General Public License
* or other free or open source software licenses.
* See http://www.in-portal.org/license for copyright notices and details.
*/
defined('FULL_PATH') or die('restricted access!');
class SelectorsEventHandler extends kDBEventHandler
{
/**
* Allows to override standart permission mapping
*
*/
function mapPermissions()
{
parent::mapPermissions();
$permissions = Array(
'OnResetToBase' => Array('subitem' => 'add|edit'),
'OnMassResetToBase' => Array('subitem' => 'add|edit'),
'OnOpenStyleEditor' => Array('subitem' => 'add|edit'),
'OnSaveStyle' => Array('subitem' => 'add|edit'),
);
$this->permMapping = array_merge($this->permMapping, $permissions);
}
/**
* Occurs before an item has been cloned
* Id of newly created item is passed as event' 'id' param
*
* @param kEvent $event
* @return void
* @access protected
*/
protected function OnBeforeClone(&$event)
{
parent::OnBeforeClone($event);
$event->Init($event->Prefix, '-item');
$object =& $event->getObject();
/* @var $object kDBItem */
$title_field = 'SelectorName';
$new_name = $object->GetDBField($title_field);
$original_checked = false;
$foreign_key = $event->getEventParam('foreign_key'); // in case if whole stylesheet is cloned
if ( $foreign_key === false ) {
$foreign_key = $object->GetDBField('StylesheetId');
} // in case if selector is copied ifself
do {
if ( preg_match('/(.*)-([\d]+)/', $new_name, $regs) ) {
$new_name = $regs[1] . '-' . ($regs[2] + 1);
}
elseif ( $original_checked ) {
$new_name = $new_name . '-1';
}
// if we are cloning in temp table this will look for names in temp table,
// since object' TableName contains correct TableName (for temp also!)
// if we are cloning live - look in live
$query = ' SELECT ' . $title_field . '
FROM ' . $object->TableName . '
WHERE ' . $title_field . ' = ' . $this->Conn->qstr($new_name) . ' AND StylesheetId = ' . $foreign_key;
$res = $this->Conn->GetOne($query);
/*// if not found in live table, check in temp table if applicable
if ($res === false && $object->Special == 'temp') {
$query = 'SELECT '.$name_field.' FROM '.$this->GetTempName($master['TableName']).'
WHERE '.$name_field.' = '.$this->Conn->qstr($new_name);
$res = $this->Conn->GetOne($query);
}*/
$original_checked = true;
} while ( $res !== false );
$object->SetDBField($title_field, $new_name);
}
/**
* Show base styles or block styles
*
* @param kEvent $event
* @return void
* @access protected
* @see kDBEventHandler::OnListBuild()
*/
protected function SetCustomQuery(&$event)
{
$object =& $event->getObject();
/* @var $object kDBList */
switch ( $event->Special ) {
case 'base':
$object->addFilter('type_filter', '%1$s.Type = 1');
break;
case 'block':
$object->addFilter('type_filter', '%1$s.Type = 2');
break;
}
}
/**
* Occurs before updating item
*
* @param kEvent $event
* @return void
* @access protected
*/
protected function OnBeforeItemUpdate(&$event)
{
parent::OnBeforeItemUpdate($event);
$this->SerializeSelectorData($event);
}
/**
* Occurs before creating item
*
* @param kEvent $event
* @return void
* @access protected
*/
protected function OnBeforeItemCreate(&$event)
{
parent::OnBeforeItemCreate($event);
$this->SerializeSelectorData($event);
}
/**
* Enter description here...
*
* @param kEvent $event
*/
function OnAfterItemUpdate(&$event)
{
$this->UnserializeSelectorData($event);
}
/**
* Occurs after creating item
*
* @param kEvent $event
* @return void
* @access protected
*/
protected function OnAfterItemCreate(&$event)
{
parent::OnAfterItemCreate($event);
$this->UnserializeSelectorData($event);
}
/**
* Gets special of main item for linking with sub-item
*
* @param kEvent $event
* @return string
*/
function getMainSpecial(&$event)
{
return '';
}
/**
* Save css-style name & description before opening css editor
*
* @param kEvent $event
*/
function OnOpenStyleEditor(&$event)
{
$this->SaveChanges($event);
$event->redirect = false;
}
/**
* Saves Changes to Item
*
* @param kEvent $event
*/
function SaveChanges(&$event)
{
$object =& $event->getObject( Array('skip_autoload' => true) );
/* @var $object kDBItem */
$items_info = $this->Application->GetVar($event->getPrefixSpecial(true));
if ( $items_info ) {
list($id, $field_values) = each($items_info);
if ( $id == 0 ) {
$parent_id = getArrayValue($field_values, 'ParentId');
if ( $parent_id ) {
$object->Load($parent_id);
}
$object->SetFieldsFromHash($field_values);
$object->Create();
$this->Application->SetVar($event->getPrefixSpecial() . '_id', $object->GetID());
}
else {
$object->Load($id);
$object->SetFieldsFromHash($field_values);
$object->Update();
}
}
}
/**
* Save style changes from style editor
*
* @param kEvent $event
*/
function OnSaveStyle(&$event)
{
$this->SaveChanges($event);
$object =& $event->getObject();
$this->Application->SetVar($event->getPrefixSpecial().'_id', $object->GetId() );
$this->finalizePopup($event);
}
/**
* Extract styles
*
* @param kEvent $event
* @return void
* @access protected
*/
protected function OnAfterItemLoad(&$event)
{
parent::OnAfterItemLoad($event);
$object =& $event->getObject();
/* @var $object kDBItem */
$selector_data = $object->GetDBField('SelectorData');
if ( $selector_data ) {
$selector_data = unserialize($selector_data);
$object->SetDBField('SelectorData', $selector_data);
}
else {
$selector_data = Array ();
}
$this->AddParentProperties($event, $selector_data);
}
/**
* Serialize item before saving to db
*
* @param kEvent $event
*/
function SerializeSelectorData(&$event)
{
$object =& $event->getObject();
/* @var $object kDBItem */
$selector_data = $object->GetDBField('SelectorData');
if ( !$selector_data ) {
$selector_data = Array ();
}
$selector_data = $this->RemoveParentProperties($event, $selector_data);
if ( !kUtil::IsSerialized($selector_data) ) {
$selector_data = serialize($selector_data);
}
$object->SetDBField('SelectorData', $selector_data);
}
/**
* Unserialize data back when update was made
*
* @param kEvent $event
*/
function UnserializeSelectorData(&$event)
{
$object =& $event->getObject();
/* @var $object kDBItem */
$selector_data = $object->GetDBField('SelectorData');
if ( !$selector_data ) {
$selector_data = Array ();
}
if ( kUtil::IsSerialized($selector_data) ) {
$selector_data = unserialize($selector_data);
}
$selector_data = $this->AddParentProperties($event, $selector_data);
$object->SetDBField('SelectorData', $selector_data);
}
/**
* Populate options based on temporary table :)
*
* @param kEvent $event
*/
function OnPrepareBaseStyles(&$event)
{
$object =& $event->getObject();
$parent_info = $object->getLinkedInfo();
$title_field = $this->Application->getUnitOption($event->Prefix,'TitleField');
$sql = 'SELECT '.$title_field.', '.$object->IDField.' FROM '.$object->TableName.' WHERE Type = 1 AND StylesheetId = '.$parent_info['ParentId'].' ORDER BY '.$title_field;
$options = $this->Conn->GetCol($sql,$object->IDField);
$object->SetFieldOption('ParentId', 'options', $options);
}
/**
* Remove properties of parent style that match by value from style
*
* @param kEvent $event
*/
function RemoveParentProperties(&$event, $selector_data)
{
$object =& $event->getObject();
/* @var $object kDBItem */
$parent_id = $object->GetDBField('ParentId');
if ( $parent_id ) {
$sql = 'SELECT SelectorData
FROM ' . $object->TableName . '
WHERE ' . $object->IDField . ' = ' . $parent_id;
$base_selector_data = $this->Conn->GetOne($sql);
if ( kUtil::IsSerialized($base_selector_data) ) {
$base_selector_data = unserialize($base_selector_data);
}
foreach ($selector_data as $prop_name => $prop_value) {
if ( !$prop_value || getArrayValue($base_selector_data, $prop_name) == $prop_value ) {
unset($selector_data[$prop_name]);
}
}
}
else {
foreach ($selector_data as $prop_name => $prop_value) {
if ( !$prop_value ) {
unset($selector_data[$prop_name]);
}
}
}
$object->SetDBField('SelectorData', $selector_data);
return $selector_data;
}
/**
* Add back properties from parent style, that match this style property values
*
* @param kEvent $event
*/
function AddParentProperties(&$event, $selector_data)
{
$object =& $event->getObject();
/* @var $object kDBItem */
$parent_id = $object->GetDBField('ParentId');
if ( $parent_id ) {
$sql = 'SELECT SelectorData
FROM ' . $object->TableName . '
WHERE ' . $object->IDField . ' = ' . $parent_id;
$base_selector_data = $this->Conn->GetOne($sql);
if ( kUtil::IsSerialized($base_selector_data) ) {
$base_selector_data = unserialize($base_selector_data);
}
$selector_data = kUtil::array_merge_recursive($base_selector_data, $selector_data);
$object->SetDBField('SelectorData', $selector_data);
return $selector_data;
}
return Array ();
}
/**
* Reset Style definition to base style -> no customizations
*
* @param kEvent $event
*/
function OnResetToBase(&$event)
{
$object =& $event->getObject();
/* @var $object SelectorsItem */
$object->SetFieldsFromHash( $this->getSubmittedFields($event) );
$object->ResetStyle();
$event->SetRedirectParam('pass', 'all,' . $event->getPrefixSpecial());
}
/**
* Resets selected styles properties to values of their base classes
*
* @param kEvent $event
*/
function OnMassResetToBase(&$event)
{
$object =& $event->getObject( Array('skip_autoload' => true) );
/* @var $object SelectorsItem */
$items_info = $this->Application->GetVar( $event->getPrefixSpecial(true) );
if ( $items_info ) {
foreach ($items_info as $id => $field_values) {
$object->Load($id);
$object->ResetStyle();
}
}
}
}

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