silverstripe-framework/forms/gridfield/GridFieldDetailForm.php
Will Rossiter ddcfcf7bed Update @package, @subpackage labels
Cleanup of framework's use of @package and @subpackage labels and additional of labels for classes missing packages.

Moved all GridField related components to the one name.

Countless spelling fixes, grammar for other comments.

Link ClassName references in file headers.
2013-05-21 22:24:41 +12:00

621 lines
16 KiB
PHP

<?php
/**
* Provides view and edit forms at GridField-specific URLs.
*
* These can be placed into pop-ups by an appropriate front-end.
*
* Usually added to a {@link GridField} alongside of a
* {@link GridFieldEditButton} which takes care of linking the
* individual rows to their edit view.
*
* The URLs provided will be off the following form:
* - <FormURL>/field/<GridFieldName>/item/<RecordID>
* - <FormURL>/field/<GridFieldName>/item/<RecordID>/edit
*
* @package framework
* @subpackage fields-gridfield
*/
class GridFieldDetailForm implements GridField_URLHandler {
/**
* @var String
*/
protected $template = 'GridFieldDetailForm';
/**
*
* @var string
*/
protected $name;
/**
* @var Validator The form validator used for both add and edit fields.
*/
protected $validator;
/**
* @var FieldList Falls back to {@link DataObject->getCMSFields()} if not defined.
*/
protected $fields;
/**
* @var String
*/
protected $itemRequestClass;
/**
* @var function With two parameters: $form and $component
*/
protected $itemEditFormCallback;
public function getURLHandlers($gridField) {
return array(
'item/$ID' => 'handleItem',
'autocomplete' => 'handleAutocomplete',
);
}
/**
* Create a popup component. The two arguments will specify how the popup form's HTML and
* behaviour is created. The given controller will be customised, putting the edit form into the
* template with the given name.
*
* The arguments are experimental API's to support partial content to be passed back to whatever
* controller who wants to display the getCMSFields
*
* @param string $name The name of the edit form to place into the pop-up form
*/
public function __construct($name = 'DetailForm') {
$this->name = $name;
}
/**
*
* @param type $gridField
* @param type $request
* @return GridFieldDetailForm_ItemRequest
*/
public function handleItem($gridField, $request) {
$controller = $gridField->getForm()->Controller();
if(is_numeric($request->param('ID'))) {
$record = $gridField->getList()->byId($request->param("ID"));
} else {
$record = Object::create($gridField->getModelClass());
}
$class = $this->getItemRequestClass();
$handler = Object::create($class, $gridField, $this, $record, $controller, $this->name);
$handler->setTemplate($this->template);
return $handler->handleRequest($request, DataModel::inst());
}
/**
* @param String
*/
public function setTemplate($template) {
$this->template = $template;
return $this;
}
/**
* @return String
*/
public function getTemplate() {
return $this->template;
}
/**
* @param String
*/
public function setName($name) {
$this->name = $name;
return $this;
}
/**
* @return String
*/
public function getName() {
return $this->name;
}
/**
* @param Validator $validator
*/
public function setValidator(Validator $validator) {
$this->validator = $validator;
return $this;
}
/**
* @return Validator
*/
public function getValidator() {
return $this->validator;
}
/**
* @param FieldList $fields
*/
public function setFields(FieldList $fields) {
$this->fields = $fields;
return $this;
}
/**
* @return FieldList
*/
public function getFields() {
return $this->fields;
}
/**
* @param String
*/
public function setItemRequestClass($class) {
$this->itemRequestClass = $class;
return $this;
}
/**
* @return String
*/
public function getItemRequestClass() {
if($this->itemRequestClass) {
return $this->itemRequestClass;
} else if(ClassInfo::exists(get_class($this) . "_ItemRequest")) {
return get_class($this) . "_ItemRequest";
} else {
return 'GridFieldItemRequest_ItemRequest';
}
}
/**
* @param Closure $cb Make changes on the edit form after constructing it.
*/
public function setItemEditFormCallback(Closure $cb) {
$this->itemEditFormCallback = $cb;
}
/**
* @return Closure
*/
public function getItemEditFormCallback() {
return $this->itemEditFormCallback;
}
}
/**
* @package framework
* @subpackage fields-gridfield
*/
class GridFieldDetailForm_ItemRequest extends RequestHandler {
/**
*
* @var GridField
*/
protected $gridField;
/**
*
* @var GridField_URLHandler
*/
protected $component;
/**
*
* @var DataObject
*/
protected $record;
/**
*
* @var Controller
*/
protected $popupController;
/**
*
* @var string
*/
protected $popupFormName;
/**
* @var String
*/
protected $template = 'GridFieldItemEditView';
private static $url_handlers = array(
'$Action!' => '$Action',
'' => 'edit',
);
/**
*
* @param GridFIeld $gridField
* @param GridField_URLHandler $component
* @param DataObject $record
* @param Controller $popupController
* @param string $popupFormName
*/
public function __construct($gridField, $component, $record, $popupController, $popupFormName) {
$this->gridField = $gridField;
$this->component = $component;
$this->record = $record;
$this->popupController = $popupController;
$this->popupFormName = $popupFormName;
parent::__construct();
}
public function Link($action = null) {
return Controller::join_links($this->gridField->Link('item'),
$this->record->ID ? $this->record->ID : 'new', $action);
}
public function view($request) {
if(!$this->record->canView()) {
$this->httpError(403);
}
$controller = $this->getToplevelController();
$form = $this->ItemEditForm($this->gridField, $request);
$form->makeReadonly();
$data = new ArrayData(array(
'Backlink' => $controller->Link(),
'ItemEditForm' => $form
));
$return = $data->renderWith($this->template);
if($request->isAjax()) {
return $return;
} else {
return $controller->customise(array('Content' => $return));
}
}
public function edit($request) {
$controller = $this->getToplevelController();
$form = $this->ItemEditForm($this->gridField, $request);
$return = $this->customise(array(
'Backlink' => $controller->hasMethod('Backlink') ? $controller->Backlink() : $controller->Link(),
'ItemEditForm' => $form,
))->renderWith($this->template);
if($request->isAjax()) {
return $return;
} else {
// If not requested by ajax, we need to render it within the controller context+template
return $controller->customise(array(
// TODO CMS coupling
'Content' => $return,
));
}
}
/**
* Builds an item edit form. The arguments to getCMSFields() are the popupController and
* popupFormName, however this is an experimental API and may change.
*
* @todo In the future, we will probably need to come up with a tigher object representing a partially
* complete controller with gaps for extra functionality. This, for example, would be a better way
* of letting Security/login put its log-in form inside a UI specified elsewhere.
*
* @return Form
*/
public function ItemEditForm() {
$list = $this->gridField->getList();
if (empty($this->record)) {
$controller = Controller::curr();
$noActionURL = $controller->removeAction($_REQUEST['url']);
$controller->getResponse()->removeHeader('Location'); //clear the existing redirect
return $controller->redirect($noActionURL, 302);
}
$canView = $this->record->canView();
$canEdit = $this->record->canEdit();
$canDelete = $this->record->canDelete();
$canCreate = $this->record->canCreate();
if(!$canView) {
$controller = Controller::curr();
// TODO More friendly error
return $controller->httpError(403);
}
$actions = new FieldList();
if($this->record->ID !== 0) {
if($canEdit) {
$actions->push(FormAction::create('doSave', _t('GridFieldDetailForm.Save', 'Save'))
->setUseButtonTag(true)
->addExtraClass('ss-ui-action-constructive')
->setAttribute('data-icon', 'accept'));
}
if($canDelete) {
$actions->push(FormAction::create('doDelete', _t('GridFieldDetailForm.Delete', 'Delete'))
->setUseButtonTag(true)
->addExtraClass('ss-ui-action-destructive'));
}
}else{ // adding new record
//Change the Save label to 'Create'
$actions->push(FormAction::create('doSave', _t('GridFieldDetailForm.Create', 'Create'))
->setUseButtonTag(true)
->addExtraClass('ss-ui-action-constructive')
->setAttribute('data-icon', 'add'));
// Add a Cancel link which is a button-like link and link back to one level up.
$curmbs = $this->Breadcrumbs();
if($curmbs && $curmbs->count()>=2){
$one_level_up = $curmbs->offsetGet($curmbs->count()-2);
$text = sprintf(
"<a class=\"%s\" href=\"%s\">%s</a>",
"crumb ss-ui-button ss-ui-action-destructive cms-panel-link ui-corner-all", // CSS classes
$one_level_up->Link, // url
_t('GridFieldDetailForm.CancelBtn', 'Cancel') // label
);
$actions->push(new LiteralField('cancelbutton', $text));
}
}
$fields = $this->component->getFields();
if(!$fields) $fields = $this->record->getCMSFields();
$form = new Form(
$this,
'ItemEditForm',
$fields,
$actions,
$this->component->getValidator()
);
$form->loadDataFrom($this->record, $this->record->ID == 0 ? Form::MERGE_IGNORE_FALSEISH : Form::MERGE_DEFAULT);
if($this->record->ID && !$canEdit) {
// Restrict editing of existing records
$form->makeReadonly();
} elseif(!$this->record->ID && !$canCreate) {
// Restrict creation of new records
$form->makeReadonly();
}
// Load many_many extraData for record.
// Fields with the correct 'ManyMany' namespace need to be added manually through getCMSFields().
if($list instanceof ManyManyList) {
$extraData = $list->getExtraData('', $this->record->ID);
$form->loadDataFrom(array('ManyMany' => $extraData));
}
// TODO Coupling with CMS
$toplevelController = $this->getToplevelController();
if($toplevelController && $toplevelController instanceof LeftAndMain) {
// Always show with base template (full width, no other panels),
// regardless of overloaded CMS controller templates.
// TODO Allow customization, e.g. to display an edit form alongside a search form from the CMS controller
$form->setTemplate('LeftAndMain_EditForm');
$form->addExtraClass('cms-content cms-edit-form center');
$form->setAttribute('data-pjax-fragment', 'CurrentForm Content');
if($form->Fields()->hasTabset()) {
$form->Fields()->findOrMakeTab('Root')->setTemplate('CMSTabSet');
$form->addExtraClass('cms-tabset');
}
$form->Backlink = $this->getBackLink();
}
$cb = $this->component->getItemEditFormCallback();
if($cb) $cb($form, $this);
$this->extend("updateItemEditForm", $form);
return $form;
}
/**
* Traverse up nested requests until we reach the first that's not a GridFieldDetailForm_ItemRequest.
* The opposite of {@link Controller::curr()}, required because
* Controller::$controller_stack is not directly accessible.
*
* @return Controller
*/
protected function getToplevelController() {
$c = $this->popupController;
while($c && $c instanceof GridFieldDetailForm_ItemRequest) {
$c = $c->getController();
}
return $c;
}
protected function getBackLink(){
// TODO Coupling with CMS
$backlink = '';
$toplevelController = $this->getToplevelController();
if($toplevelController && $toplevelController instanceof LeftAndMain) {
if($toplevelController->hasMethod('Backlink')) {
$backlink = $toplevelController->Backlink();
} elseif($this->popupController->hasMethod('Breadcrumbs')) {
$parents = $this->popupController->Breadcrumbs(false)->items;
$backlink = array_pop($parents)->Link;
}
}
if(!$backlink) $backlink = $toplevelController->Link();
return $backlink;
}
public function doSave($data, $form) {
$new_record = $this->record->ID == 0;
$controller = Controller::curr();
$list = $this->gridField->getList();
if($list instanceof ManyManyList) {
// Data is escaped in ManyManyList->add()
$extraData = (isset($data['ManyMany'])) ? $data['ManyMany'] : null;
} else {
$extraData = null;
}
if(!$this->record->canEdit()) {
return $controller->httpError(403);
}
if (isset($data['ClassName']) && $data['ClassName'] != $this->record->ClassName) {
$newClassName = $data['ClassName'];
// The records originally saved attribute was overwritten by $form->saveInto($record) before.
// This is necessary for newClassInstance() to work as expected, and trigger change detection
// on the ClassName attribute
$this->record->setClassName($this->record->ClassName);
// Replace $record with a new instance
$this->record = $this->record->newClassInstance($newClassName);
}
try {
$form->saveInto($this->record);
$this->record->write();
$list->add($this->record, $extraData);
} catch(ValidationException $e) {
$form->sessionMessage($e->getResult()->message(), 'bad');
$responseNegotiator = new PjaxResponseNegotiator(array(
'CurrentForm' => function() use(&$form) {
return $form->forTemplate();
},
'default' => function() use(&$controller) {
return $controller->redirectBack();
}
));
if($controller->getRequest()->isAjax()){
$controller->getRequest()->addHeader('X-Pjax', 'CurrentForm');
}
return $responseNegotiator->respond($controller->getRequest());
}
// TODO Save this item into the given relationship
$link = '<a href="' . $this->Link('edit') . '">"'
. htmlspecialchars($this->record->Title, ENT_QUOTES)
. '"</a>';
$message = _t(
'GridFieldDetailForm.Saved',
'Saved {name} {link}',
array(
'name' => $this->record->i18n_singular_name(),
'link' => $link
)
);
$form->sessionMessage($message, 'good');
if($new_record) {
return Controller::curr()->redirect($this->Link());
} elseif($this->gridField->getList()->byId($this->record->ID)) {
// Return new view, as we can't do a "virtual redirect" via the CMS Ajax
// to the same URL (it assumes that its content is already current, and doesn't reload)
return $this->edit(Controller::curr()->getRequest());
} else {
// Changes to the record properties might've excluded the record from
// a filtered list, so return back to the main view if it can't be found
$noActionURL = $controller->removeAction($data['url']);
$controller->getRequest()->addHeader('X-Pjax', 'Content');
return $controller->redirect($noActionURL, 302);
}
}
public function doDelete($data, $form) {
$title = $this->record->Title;
try {
if (!$this->record->canDelete()) {
throw new ValidationException(
_t('GridFieldDetailForm.DeletePermissionsFailure',"No delete permissions"),0);
}
$this->record->delete();
} catch(ValidationException $e) {
$form->sessionMessage($e->getResult()->message(), 'bad');
return Controller::curr()->redirectBack();
}
$message = sprintf(
_t('GridFieldDetailForm.Deleted', 'Deleted %s %s'),
$this->record->i18n_singular_name(),
htmlspecialchars($title, ENT_QUOTES)
);
$toplevelController = $this->getToplevelController();
if($toplevelController && $toplevelController instanceof LeftAndMain) {
$backForm = $toplevelController->getEditForm();
$backForm->sessionMessage($message, 'good');
} else {
$form->sessionMessage($message, 'good');
}
//when an item is deleted, redirect to the parent controller
$controller = Controller::curr();
$controller->getRequest()->addHeader('X-Pjax', 'Content'); // Force a content refresh
return $controller->redirect($this->getBacklink(), 302); //redirect back to admin section
}
/**
* @param String
*/
public function setTemplate($template) {
$this->template = $template;
return $this;
}
/**
* @return String
*/
public function getTemplate() {
return $this->template;
}
/**
* @return Controller
*/
public function getController() {
return $this->popupController;
}
/**
* @return GridField
*/
public function getGridField() {
return $this->gridField;
}
/**
* CMS-specific functionality: Passes through navigation breadcrumbs
* to the template, and includes the currently edited record (if any).
* see {@link LeftAndMain->Breadcrumbs()} for details.
*
* @param boolean $unlinked
* @return ArrayData
*/
public function Breadcrumbs($unlinked = false) {
if(!$this->popupController->hasMethod('Breadcrumbs')) return;
$items = $this->popupController->Breadcrumbs($unlinked);
if($this->record && $this->record->ID) {
$items->push(new ArrayData(array(
'Title' => $this->record->Title,
'Link' => $this->Link()
)));
} else {
$items->push(new ArrayData(array(
'Title' => sprintf(_t('GridField.NewRecord', 'New %s'), $this->record->i18n_singular_name()),
'Link' => false
)));
}
return $items;
}
}