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<?php |
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class GridFieldMergeAction implements GridField_ColumnProvider, GridField_ActionProvider |
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{ |
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/** |
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* List of records to show in the MergeAction column. |
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* |
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* @var array|SS_List |
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*/ |
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protected $records; |
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/** |
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* Type of parent DataObject (i.e BlogTag, BlogCategory). |
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* |
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* @var string |
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*/ |
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protected $parentType; |
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/** |
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* Relationship method to reference parent (i.e BlogTags). |
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* |
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* @var string |
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*/ |
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protected $parentMethod; |
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/** |
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* Relationship method to reference child (i.e BlogPosts). |
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* |
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* @var string |
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*/ |
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protected $childMethod; |
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/** |
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* @param array|SS_List $records |
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* @param string $parentType |
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* @param string $parentMethod |
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* @param string $childMethod |
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*/ |
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public function __construct($records = array(), $parentType, $parentMethod, $childMethod) |
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{ |
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$this->records = $records; |
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$this->parentType = $parentType; |
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$this->parentMethod = $parentMethod; |
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$this->childMethod = $childMethod; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function augmentColumns($gridField, &$columns) |
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{ |
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if (!in_array('MergeAction', $columns)) { |
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$columns[] = 'MergeAction'; |
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} |
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return $columns; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getColumnsHandled($gridField) |
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{ |
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return array('MergeAction'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getColumnContent($gridField, $record, $columnName) |
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{ |
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if ($columnName === 'MergeAction' && $record->{$this->childMethod}()->Count() > 0) { |
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$dropdown = new DropdownField('Target', 'Target', $this->records->exclude('ID', $record->ID)->map()); |
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$dropdown->setAttribute('id', 'Target_'.$record->ID); |
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$prefix = strtolower($this->parentMethod . '-' . $this->childMethod); |
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$action = GridFieldFormAction::create( |
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$gridField, |
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'MergeAction' . $record->ID, |
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'Move', |
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'merge', |
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array( |
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'record' => $record->ID, |
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'target' => $prefix . '-target-record-' . $record->ID, |
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) |
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); |
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$action->setExtraAttributes(array( |
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'data-target' => $prefix . '-target-record-' . $record->ID |
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)); |
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return $dropdown->Field() . $action->Field() . '<a title="Move posts to" class="MergeActionReveal">move posts to</a>'; |
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} |
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return null; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getColumnAttributes($gridField, $record, $columnName) |
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{ |
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return array('class' => 'MergeAction'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getColumnMetadata($gridField, $columnName) |
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{ |
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return array('title' => 'Move posts to'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getActions($gridField) |
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{ |
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return array('merge'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function handleAction(GridField $gridField, $actionName, $arguments, $data) |
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{ |
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if ($actionName === 'merge') { |
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$controller = Controller::curr(); |
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$request = $controller->getRequest(); |
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$target = $request->requestVar($arguments["target"]); |
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$parentType = $this->parentType; |
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$fromParent = $parentType::get()->byId($arguments['record']); |
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$toParent = $parentType::get()->byId($target); |
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$posts = $fromParent->{$this->childMethod}(); |
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foreach ($posts as $post) { |
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$relationship = $post->{$this->parentMethod}(); |
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$relationship->remove($fromParent); |
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$relationship->add($toParent); |
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} |
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} |
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} |
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} |
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silverstripe /
silverstripe-blog
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.