98 lines
2.5 KiB
PHP
98 lines
2.5 KiB
PHP
<?php
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class WidgetAreaEditor extends FormField {
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function FieldHolder() {
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return $this->renderWith("WidgetAreaEditor");
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}
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function AvailableWidgets() {
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$classes = ClassInfo::subclassesFor('Widget');
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array_shift($classes);
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$widgets= new DataObjectSet();
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foreach($classes as $class) {
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$widgets->push(singleton($class));
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}
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return $widgets;
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}
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function UsedWidgets() {
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$relationName = $this->name;
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$widgets = $this->form->getRecord()->$relationName()->Widgets();
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return $widgets;
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}
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function IdxField() {
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return $this->id() . 'ID';
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}
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function Value() {
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$relationName = $this->name;
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return $this->form->getRecord()->$relationName()->ID;
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}
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function saveInto(DataObject $record) {
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$name = $this->name;
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$idName = $name . "ID";
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$widgetarea = $record->$name();
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$widgetarea->write();
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$record->$idName = $widgetarea->ID;
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$widgets = $widgetarea->Widgets();
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// store the field IDs and delete the missing fields
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// alternatively, we could delete all the fields and re add them
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$missingWidgets = array();
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foreach($widgets as $existingWidget){
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$missingWidgets[$existingWidget->ID] = $existingWidget;
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}
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// write the new widgets to the database
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if(isset($_REQUEST['Widget'])){
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foreach(array_keys( $_REQUEST['Widget'] ) as $newWidgetID ) {
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$newWidgetData = $_REQUEST['Widget'][$newWidgetID];
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// `ParentID`=0 is for the new page
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$widget = DataObject::get_one( 'Widget', "(`ParentID`='{$record->$name()->ID}' OR `ParentID`=0) AND `Widget`.`ID`='$newWidgetID'" );
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// check if we are updating an existing widget
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if($widget && isset($missingWidgets[$widget->ID]))
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unset($missingWidgets[$widget->ID] );
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// create a new object
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if(!$widget && !empty($newWidgetData['Type']) && class_exists($newWidgetData['Type'])) {
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$widget = new $newWidgetData['Type']();
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$widget->ID = 0;
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$widget->ParentID = $record->$name()->ID;
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if(!is_subclass_of($widget, 'Widget')) {
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$widget = null;
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}
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}
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if($widget) {
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if($widget->ParentID == 0) {
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$widget->ParentID = $record->$name()->ID;
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}
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$widget->populateFromPostData($newWidgetData);
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//$editable->write();
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}
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}
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}
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// remove the fields not saved
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foreach($missingWidgets as $removedWidget) {
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if(isset($removedWidget) && is_numeric($removedWidget->ID)) $removedWidget->delete();
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}
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}
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}
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?>
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