MINOR Added GridFieldAction_Delete

forms/gridfield/GridFieldAction.php

@@ -0,0 +1,94 @@
+<?php
+/**
+ * This class is an GridField Component that add Delete action for Objects in the GridField
+ * 
+ */
+class GridFieldAction_Delete implements GridField_ColumnProvider, GridField_ActionProvider {
+	
+	/**
+	 * Add a column 'Delete'
+	 * 
+	 * @param type $gridField
+	 * @param array $columns 
+	 */
+	public function augmentColumns($gridField, &$columns) {
+		$columns[] = 'DeleteAction';
+	}
+	
+	/**
+	 * Return any special attributes that will be used for FormField::createTag()
+	 *
+	 * @param GridField $gridField
+	 * @param DataObject $record
+	 * @param string $columnName
+	 * @return array
+	 */
+	public function getColumnAttributes($gridField, $record, $columnName) {
+		return array();
+	}
+	
+	/**
+	 * Add the title 
+	 * 
+	 * @param GridField $gridField
+	 * @param string $columnName
+	 * @return array
+	 */
+	public function getColumnMetadata($gridField, $columnName) {
+		if($columnName == 'DeleteAction') {
+			return array('title' => 'Delete');
+		}
+	}
+	
+	/**
+	 * Which columns are handled by this component
+	 * 
+	 * @param type $gridField
+	 * @return type 
+	 */
+	public function getColumnsHandled($gridField) {
+		return array('DeleteAction');
+	}
+	
+	/**
+	 * Which GridField actions are this component handling
+	 *
+	 * @param GridField $gridField
+	 * @return array 
+	 */
+	public function getActions($gridField) {
+		return array('deleterecord');
+	}
+	
+	/**
+	 *
+	 * @param GridField $gridField
+	 * @param DataObject $record
+	 * @param string $columnName
+	 * @return string - the HTML for the column 
+	 */
+	public function getColumnContent($gridField, $record, $columnName) {
+		$field = new GridField_Action($gridField, 'DeleteRecord'.$record->ID, "x", "deleterecord", array('RecordID' => $record->ID));
+		$output = $field->Field();
+		return $output;
+	}
+	
+	/**
+	 * Handle the actions and apply any changes to the GridField
+	 *
+	 * @param GridField $gridField
+	 * @param string $actionName
+	 * @param mixed $arguments
+	 * @param array $data - form data
+	 * @return void
+	 */
+	public function handleAction(GridField $gridField, $actionName, $arguments, $data) {
+		$id = $arguments['RecordID'];
+		$item = $gridField->getList()->byID($id);
+		if(!$item) return;
+
+		if($actionName == 'deleterecord') {
+			$item->delete();
+		}
+	}
+}