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Thu, Feb 6, 1:26 PM
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Index: branches/5.2.x/core/units/priorites/priority_eh.php
===================================================================
--- branches/5.2.x/core/units/priorites/priority_eh.php (revision 14614)
+++ branches/5.2.x/core/units/priorites/priority_eh.php (revision 14615)
@@ -1,370 +1,370 @@
<?php
class PriorityEventHandler extends kDBEventHandler {
/**
* Allows to override standart permission mapping
*
*/
function mapPermissions()
{
parent::mapPermissions();
$permissions = Array (
'OnRecalculatePriorities' => Array ('self' => true),
);
$this->permMapping = array_merge($this->permMapping, $permissions);
}
function mapEvents()
{
parent::mapEvents();
$events_map = Array (
'OnMassMoveUp' => 'OnChangePriority',
'OnMassMoveDown' => 'OnChangePriority',
);
$this->eventMethods = array_merge($this->eventMethods, $events_map);
}
/**
* Enter description here...
*
* @param kEvent $event
*/
function OnAfterConfigRead(&$event)
{
$hooks = Array(
Array(
'Mode' => hAFTER,
'Conditional' => false,
'HookToPrefix' => '',
'HookToSpecial' => '*',
'HookToEvent' => Array('OnAfterItemLoad', 'OnPreCreate', 'OnListBuild'),
'DoPrefix' => 'priority',
'DoSpecial' => '*',
'DoEvent' => 'OnPreparePriorities',
'Conditional' => false,
),
Array(
'Mode' => hBEFORE,
'Conditional' => false,
'HookToPrefix' => '',
'HookToSpecial' => '*',
'HookToEvent' => Array('OnPreSaveCreated'),
'DoPrefix' => 'priority',
'DoSpecial' => '*',
'DoEvent' => 'OnPreparePriorities',
'Conditional' => false,
),
Array(
'Mode' => hAFTER,
'Conditional' => false,
'HookToPrefix' => '',
'HookToSpecial' => '*',
'HookToEvent' => Array('OnPreSave', 'OnPreSaveCreated', 'OnSave', 'OnUpdate'),
'DoPrefix' => 'priority',
'DoSpecial' => '*',
'DoEvent' => 'OnSavePriorityChanges',
'Conditional' => false,
),
Array(
'Mode' => hAFTER,
'Conditional' => false,
'HookToPrefix' => '',
'HookToSpecial' => '*',
'HookToEvent' => Array('OnSave'),
'DoPrefix' => 'priority',
'DoSpecial' => '*',
'DoEvent' => 'OnSaveItems',
'Conditional' => false,
),
Array(
'Mode' => hBEFORE,
'Conditional' => false,
'HookToPrefix' => '',
'HookToSpecial' => '*',
'HookToEvent' => Array('OnBeforeItemCreate'),
'DoPrefix' => 'priority',
'DoSpecial' => '*',
'DoEvent' => 'OnItemCreate',
'Conditional' => false,
),
Array(
'Mode' => hBEFORE,
'Conditional' => false,
'HookToPrefix' => '',
'HookToSpecial' => '*',
'HookToEvent' => Array('OnAfterItemDelete'),
'DoPrefix' => 'priority',
'DoSpecial' => '*',
'DoEvent' => 'OnItemDelete',
'Conditional' => false,
)
);
$prefixes = $this->Application->getUnitOption($event->Prefix, 'ProcessPrefixes', Array ());
/* @var $prefixes Array */
foreach ($prefixes as $prefix) {
foreach ($hooks as $hook) {
if ( !is_array($hook['HookToEvent']) ) {
$hook['HookToEvent'] = Array($hook['HookToEvent']);
}
foreach ($hook['HookToEvent'] as $hook_event) {
$this->Application->registerHook(
$prefix . '.' . $hook['HookToSpecial'] . ':' . $hook_event,
$event->Prefix . '.' . $hook['DoSpecial'] . ':' . $hook['DoEvent'],
$hook['Mode'],
$hook['Conditional']
);
}
}
}
}
/**
* Should be hooked to OnAfterItemLoad, OnPreSaveCreated (why latter?)
*
* @param kEvent $event
*/
function OnPreparePriorities(&$event)
{
if ( !$this->Application->isAdminUser ) {
return ;
}
$priority_helper =& $this->Application->recallObject('PriorityHelper');
/* @var $priority_helper kPriorityHelper */
list ($constrain, $joins) = $this->getConstrainInfo($event);
$is_new = $event->MasterEvent->Name == 'OnPreCreate' || $event->MasterEvent->Name == 'OnPreSaveCreated';
$priority_helper->preparePriorities($event->MasterEvent, $is_new, $constrain, $joins);
}
/**
* Enter description here...
*
* @param kEvent $event
*/
function OnSavePriorityChanges(&$event)
{
- if ($event->MasterEvent->status != erSUCCESS) {
+ if ($event->MasterEvent->status != kEvent::erSUCCESS) {
// don't update priorities, when OnSave validation failed
return ;
}
$object =& $event->MasterEvent->getObject();
$tmp = $this->Application->RecallVar('priority_changes'.$this->Application->GetVar('m_wid'));
$changes = $tmp ? unserialize($tmp) : array();
if (!isset($changes[$object->GetID()])) {
$changes[$object->GetId()]['old'] = $object->GetID() == 0 ? 'new' : $object->GetDBField('OldPriority');
}
if ($changes[$object->GetId()]['old'] == $object->GetDBField('Priority')) return ;
$changes[$object->GetId()]['new'] = $object->GetDBField('Priority');
list ($constrain, $joins) = $this->getConstrainInfo($event);
if ($constrain) {
$changes[$object->GetId()]['constrain'] = $constrain;
}
$this->Application->StoreVar('priority_changes'.$this->Application->GetVar('m_wid'), serialize($changes));
}
/**
* Enter description here...
*
* @param kEvent $event
*/
function OnItemDelete(&$event)
{
// just store the prefix in which the items were deleted
$del = $this->Application->RecallVar('priority_deleted' . $this->Application->GetVar('m_wid'));
$del = $del ? unserialize($del) : array();
list ($constrain, $joins) = $this->getConstrainInfo($event);
$cache_key = crc32($event->MasterEvent->Prefix . ':' . $constrain . ':' . $joins);
if ( !isset($del[$cache_key]) ) {
$del[$cache_key] = Array (
'prefix' => $event->MasterEvent->Prefix,
'constrain' => $constrain,
'joins' => $joins,
);
$this->Application->StoreVar('priority_deleted' . $this->Application->GetVar('m_wid'), serialize($del));
}
}
/**
* Called before script shut-down and recalculate all deleted prefixes, to avoid recalculation on each deleted item
*
* @param kEvent $event
*/
function OnBeforeShutDown(&$event)
{
$del = $this->Application->RecallVar('priority_deleted'.$this->Application->GetVar('m_wid'));
$del = $del ? unserialize($del) : array();
$priority_helper =& $this->Application->recallObject('PriorityHelper');
/* @var $priority_helper kPriorityHelper */
foreach ($del as $del_info) {
$dummy_event = new kEvent( array('prefix'=>$del_info['prefix'], 'name'=>'Dummy' ) );
$ids = $priority_helper->recalculatePriorities($dummy_event, $del_info['constrain'], $del_info['joins']);
if ($ids) {
$priority_helper->massUpdateChanged($del_info['prefix'], $ids);
}
}
$this->Application->RemoveVar('priority_deleted'.$this->Application->GetVar('m_wid'));
}
/**
* Enter description here...
*
* @param kEvent $event
*/
function OnSaveItems(&$event)
{
$tmp = $this->Application->RecallVar('priority_changes'.$this->Application->GetVar('m_wid'));
$changes = $tmp ? unserialize($tmp) : array();
$priority_helper =& $this->Application->recallObject('PriorityHelper');
/* @var $priority_helper kPriorityHelper */
list ($constrain, $joins) = $this->getConstrainInfo($event);
$ids = $priority_helper->updatePriorities($event->MasterEvent, $changes, Array (0 => $event->MasterEvent->getEventParam('ids')), $constrain, $joins);
if ($ids) {
$priority_helper->massUpdateChanged($event->MasterEvent->Prefix, $ids);
}
}
function OnItemCreate(&$event)
{
$obj =& $event->MasterEvent->getObject();
if ($obj->GetDBField('Priority') == 0) {
$priority_helper =& $this->Application->recallObject('PriorityHelper');
/* @var $priority_helper kPriorityHelper */
list ($constrain, $joins) = $this->getConstrainInfo($event);
$priority_helper->preparePriorities($event->MasterEvent, true, $constrain, $joins);
}
}
/**
* Processes OnMassMoveUp, OnMassMoveDown events
*
* @param kEvent $event
*/
function OnChangePriority(&$event)
{
$prefix = $this->Application->GetVar('priority_prefix');
$dummy_event = new kEvent( array('prefix'=>$prefix, 'name'=>'Dummy' ) );
$ids = $this->StoreSelectedIDs($dummy_event);
if ($ids) {
$id_field = $this->Application->getUnitOption($prefix, 'IDField');
$table_name = $this->Application->getUnitOption($prefix, 'TableName');
if ( $this->Application->IsTempMode($prefix) ) {
$table_name = $this->Application->GetTempName($table_name, 'prefix:' . $prefix);
}
$sql = 'SELECT Priority, '.$id_field.'
FROM '.$table_name.'
WHERE '.$id_field.' IN ('.implode(',', $ids).') ORDER BY Priority DESC';
$priorities = $this->Conn->GetCol($sql, $id_field);
$priority_helper =& $this->Application->recallObject('PriorityHelper');
/* @var $priority_helper kPriorityHelper */
list ($constrain, $joins) = $this->getConstrainInfo($event);
$sql = 'SELECT IFNULL(MIN(item_table.Priority), -1)
FROM '.$table_name . ' item_table
' . $joins;
if ( $constrain ) {
$sql .= ' WHERE ' . $priority_helper->normalizeConstrain($constrain);
}
$min_priority = $this->Conn->GetOne($sql);
foreach ($ids as $id) {
$new_priority = $priorities[$id] + ($event->Name == 'OnMassMoveUp' ? +1 : -1);
if ($new_priority > -1 || $new_priority < $min_priority) {
continue;
}
$changes = Array (
$id => Array ('old' => $priorities[$id], 'new' => $new_priority),
);
if ($constrain) {
$changes[$id]['constrain'] = $constrain;
}
$sql = 'UPDATE '.$table_name.'
SET Priority = '.$new_priority.'
WHERE '.$id_field.' = '.$id;
$this->Conn->Query($sql);
$ids = $priority_helper->updatePriorities($dummy_event, $changes, Array ($id => $id), $constrain, $joins);
if ($ids) {
$priority_helper->massUpdateChanged($prefix, $ids);
}
}
}
$this->clearSelectedIDs($dummy_event);
}
/**
* Completely recalculates priorities in current category
*
* @param kEvent $event
*/
function OnRecalculatePriorities(&$event)
{
$priority_helper =& $this->Application->recallObject('PriorityHelper');
/* @var $priority_helper kPriorityHelper */
$prefix = $this->Application->GetVar('priority_prefix');
$dummy_event = new kEvent( array('prefix'=>$prefix, 'name'=>'Dummy' ) );
list ($constrain, $joins) = $this->getConstrainInfo($event);
$ids = $priority_helper->recalculatePriorities($dummy_event, $constrain, $joins);
if ($ids) {
$priority_helper->massUpdateChanged($prefix, $ids);
}
}
/**
* Returns constrain for current priority calculations
*
* @param kEvent $event
* @return Array
*/
function getConstrainInfo(&$event)
{
$constrain_event = new kEvent($event->MasterEvent->getPrefixSpecial() . ':OnGetConstrainInfo');
$constrain_event->setEventParam('actual_event', $event->Name);
$constrain_event->setEventParam('original_event', $event->MasterEvent->Name);
$this->Application->HandleEvent($constrain_event);
return $constrain_event->getEventParam('constrain_info');
}
}
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