MaxWidgets = $maxWidgets; $this->widgetClasses = $widgetClasses; parent::__construct($name); } function FieldHolder($properties = array()) { Requirements::css('widgets/css/WidgetAreaEditor.css'); Requirements::javascript('widgets/javascript/WidgetAreaEditor.js'); return $this->renderWith("WidgetAreaEditor"); } function AvailableWidgets() { $widgets= new ArrayList(); foreach($this->widgetClasses as $widgetClass) { $classes = ClassInfo::subclassesFor($widgetClass); array_shift($classes); foreach($classes as $class) { $widgets->push(singleton($class)); } } return $widgets; } function UsedWidgets() { // Call class_exists() to load Widget.php earlier and avoid a segfault class_exists('Widget'); $relationName = $this->name; $widgets = $this->form->getRecord()->getComponent($relationName)->Items(); return $widgets; } function IdxField() { return $this->id() . 'ID'; } function Value() { $relationName = $this->name; return $this->form->getRecord()->getComponent($relationName)->ID; } function saveInto(DataObjectInterface $record) { $name = $this->name; $idName = $name . "ID"; $widgetarea = $record->getComponent($name); $widgetarea->write(); $record->$idName = $widgetarea->ID; $widgets = $widgetarea->Items(); // store the field IDs and delete the missing fields // alternatively, we could delete all the fields and re add them $missingWidgets = array(); if($widgets) { foreach($widgets as $existingWidget) { $missingWidgets[$existingWidget->ID] = $existingWidget; } } if(isset($_REQUEST['Widget'])) { foreach(array_keys($_REQUEST['Widget']) as $widgetAreaName) { if ($widgetAreaName !== $this->name) { continue; } foreach(array_keys($_REQUEST['Widget'][$widgetAreaName]) as $newWidgetID) { $newWidgetData = $_REQUEST['Widget'][$widgetAreaName][$newWidgetID]; // Sometimes the id is "new-1" or similar, ensure this doesn't get into the query if(!is_numeric($newWidgetID)) { $newWidgetID = 0; } // \"ParentID\" = '0' is for the new page $widget = DataObject::get_one( 'Widget', "(\"ParentID\" = '{$record->$name()->ID}' OR ". "\"ParentID\" = '0') AND \"Widget\".\"ID\" = '$newWidgetID'" ); // check if we are updating an existing widget if($widget && isset($missingWidgets[$widget->ID])) { unset($missingWidgets[$widget->ID]); } // create a new object if(!$widget && !empty($newWidgetData['Type']) && class_exists($newWidgetData['Type'])) { $widget = new $newWidgetData['Type'](); $widget->ID = 0; $widget->ParentID = $record->$name()->ID; if(!is_subclass_of($widget, 'Widget')) { $widget = null; } } if($widget) { if($widget->ParentID == 0) { $widget->ParentID = $record->$name()->ID; } // echo "Saving $widget->ID into $name/$widget->ParentID\n
"; $widget->populateFromPostData($newWidgetData); } } } } // remove the fields not saved if($missingWidgets) { foreach($missingWidgets as $removedWidget) { if(isset($removedWidget) && is_numeric($removedWidget->ID)) { $removedWidget->delete(); } } } } }