ENHANCEMENT GridFieldItemEditView (and specific view and behaviour for usage in CMS)

admin/javascript/LeftAndMain.EditForm.js

@@ -262,6 +262,13 @@
 				this._super();
 			}
 		});
+
+		$('.cms-edit-form .ss-gridfield .action-edit').entwine({
+			onclick: function(e) {
+				$('.cms-container').loadPanel(this.attr('href'), '', {selector: '.cms-edit-form'});
+				e.preventDefault();
+			}
+		});
 		
 	});
 

admin/templates/CMSGridFieldPopupForms.ss

@@ -0,0 +1,4 @@
+<div class="cms-content-fields center">
+	<a class="backlink ss-ui-button" href="$Backlink">Back</a>
+	$ItemEditForm
+</div>

filesystem/Folder.php

@@ -405,8 +405,8 @@ class Folder extends File {
 		$config->addComponent(new GridFieldPaginator(2));
 		$config->addComponent(new GridFieldAction_Delete());
 		$config->addComponent(new GridFieldAction_Edit());
-		$config->addComponent($gridFieldForm = new GridFieldItemEditView());
-		$gridFieldForm->setTemplate('CMSGridFieldItemEditView');
+		$config->addComponent($gridFieldForm = new GridFieldPopupForms());
+		$gridFieldForm->setTemplate('CMSGridFieldPopupForms');
 		$files = DataList::create('File')->filter('ParentID', $this->ID)->exclude('ClassName', 'Folder');
 		$gridField = new GridField('File','Files', $files, $config);
 		$gridField->setDisplayFields(array(

forms/gridfield/GridFieldAction.php

@@ -1,4 +1,90 @@
 <?php
+/**
+ * This class is an GridField Component that add Delete action for Objects in the GridField
+ * 
+ */
+class GridFieldAction_Edit implements GridField_ColumnProvider {
+	
+	/**
+	 * Add a column 'Delete'
+	 * 
+	 * @param type $gridField
+	 * @param array $columns 
+	 */
+	public function augmentColumns($gridField, &$columns) {
+		$columns[] = 'EditAction';
+	}
+	
+	/**
+	 * 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 == 'EditAction') {
+			return array('title' => '');
+		}
+	}
+	
+	/**
+	 * Which columns are handled by this component
+	 * 
+	 * @param type $gridField
+	 * @return type 
+	 */
+	public function getColumnsHandled($gridField) {
+		return array('EditAction');
+	}
+	
+	/**
+	 * 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, $columnName) {
+		return sprintf('<a class="action-edit" href="%s">%s</a>', Controller::join_links($gridField->Link('item'), $record->ID, 'edit'), _t('GridAction.Edit', 'edit'));
+	}
+	
+	/**
+	 * 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) {
+		
+	}
+}
+
 /**
  * This class is an GridField Component that add Delete action for Objects in the GridField
  * 

forms/gridfield/GridFieldPopupForms.php

@@ -0,0 +1,143 @@
+<?php
+
+/**
+ * Provides view and edit forms at GridField-specific URLs.  These can be placed into pop-ups by an appropriate front-end.
+ * 
+ * The URLs provided will be off the following form:
+ *  - <FormURL>/field/<GridFieldName>/item/<RecordID>
+ *  - <FormURL>/field/<GridFieldName>/item/<RecordID>/edit
+ */
+class GridFieldPopupForms implements GridField_URLHandler {
+
+	/**
+	 * @var String
+	 */
+	protected $template = 'GridFieldItemEditView';
+	
+	function getURLHandlers($gridField) {
+		return array(
+			'item/$ID' => 'handleItem',
+		);
+	}
+	
+	function handleItem($gridField, $request) {
+		$record = $gridField->getList()->byId($request->param("ID"));
+		$handler = new GridFieldPopupForm_ItemRequest($gridField, $this, $record);
+		$handler->setTemplate($this->template);
+		return $handler;
+	}
+
+	/**
+	 * @param String
+	 */
+	function setTemplate($template) {
+		$this->template = $template;
+	}
+
+	/**
+	 * @return String
+	 */
+	function getTemplate() {
+		return $this->template;
+	}
+}
+
+class GridFieldPopupForm_ItemRequest extends RequestHandler {
+	
+	protected $gridField;
+	
+	protected $component;
+	
+	protected $record;
+
+	/**
+	 * @var String
+	 */
+	protected $template = 'GridFieldItemEditView';
+
+	static $url_handlers = array(
+		'$Action!' => '$Action',
+		'' => 'index',
+	);
+	
+	function __construct($gridField, $component, $record) {
+		$this->gridField = $gridField;
+		$this->component = $gridField;
+		$this->record = $record;
+		
+		parent::__construct();
+	}
+
+	function Link($action = null) {
+		return Controller::join_links($this->gridField->Link('item'), $this->record->ID, $action);
+	}
+	
+	function edit($request) {
+		$controller = $this->gridField->getForm()->Controller();
+
+		$return = $this->customise(array(
+				'Backlink' => $controller->Link(),
+				'ItemEditForm' => $this->ItemEditForm($this->gridField, $request),
+			))->renderWith($this->template);
+
+		if($controller->isAjax()) {
+			return $return;	
+		} else {
+			// If not requested by ajax, we need to render it within the controller context+template
+			return $controller->customise(array(
+				$this->gridField->getForm()->Name() => $return,
+			));	
+		}
+	}
+
+	function ItemEditForm() {
+		$request = $this->gridField->getForm()->Controller()->getRequest();
+		$form = new Form(
+			$this,
+			'ItemEditForm',
+			$this->record->getCMSFields(),
+			new FieldList(
+				$saveAction = new FormAction('doSave', _t('GridFieldDetailsForm.Save', 'Save'))
+			)
+		);
+		$saveAction->addExtraClass('ss-ui-action-constructive');
+		$form->loadDataFrom($this->record);
+		return $form;
+	}
+
+	function doSave($data, $form) {
+		try {
+			$form->saveInto($this->record);
+			$this->record->write();
+		} catch(ValidationException $e) {
+			$form->sessionMessage($e->getResult()->message(), 'bad');
+			return Director::redirectBack();
+		}
+
+		// TODO Save this item into the given relationship
+
+		$message = sprintf(
+			_t('ComplexTableField.SUCCESSEDIT2', 'Saved %s %s'),
+			$this->record->singular_name(),
+			'<a href="' . $this->Link('edit') . '">"' . htmlspecialchars($this->record->Title, ENT_QUOTES) . '"</a>'
+		);
+		
+		$form->sessionMessage($message, 'good');
+
+		return $this->gridField->getForm()->Controller()->redirectBack();
+	}
+
+	/**
+	 * @param String
+	 */
+	function setTemplate($template) {
+		$this->template = $template;
+	}
+
+	/**
+	 * @return String
+	 */
+	function getTemplate() {
+		return $this->template;
+	}
+}

templates/GridFieldPopupForms.ss

@@ -0,0 +1 @@
+$ItemEditForm