GridFieldBulkEditingTools/code/GridFieldBulkImageUpload_Request.php
2013-06-16 17:09:13 +03:00

458 lines
13 KiB
PHP

<?php
/**
* Handles request from the GridFieldBulkImageUpload component
*
* Handles:
* * Form creation
* * file upload
* * editing and cancelling records
*
* @author colymba
* @package GridFieldBulkEditingTools
*/
class GridFieldBulkImageUpload_Request extends RequestHandler {
/**
*
* @var GridField
*/
protected $gridField;
/**
*
* @var GridField_URLHandler
*/
protected $component;
/**
*
* @var Controller
*/
protected $controller;
/**
* Cache the records FieldList from getCMSfields()
*
* @var FieldList
*/
protected $recordCMSFieldList;
/**
*
*/
private static $url_handlers = array(
'$Action!' => '$Action'
);
/**
*
* @param GridFIeld $gridField
* @param GridField_URLHandler $component
* @param Controller $controller
*/
public function __construct($gridField, $component, $controller) {
$this->gridField = $gridField;
$this->component = $component;
$this->controller = $controller;
parent::__construct();
}
/**
* Returns the URL for this RequestHandler
*
* @author SilverStripe
* @see GridFieldDetailForm_ItemRequest
* @param string $action
* @return string
*/
public function Link($action = null) {
return Controller::join_links($this->gridField->Link(), 'bulkimageupload', $action);
}
/**
* Returns the name of the Image field name from the managed record
* Either as set in the component config or the default one
*
* @return string
*/
function getRecordImageField()
{
$fieldName = $this->component->getConfig('imageFieldName');
if ( $fieldName == null ) $fieldName = $this->getDefaultRecordImageField();
return $fieldName;
}
/**
* Returns the list of editable fields from the managed record
* Either as set in the component config or the default ones
*
* @return array
*/
function getRecordEditableFields()
{
$fields = $this->component->getConfig('editableFields');
if ( $fields == null ) $fields = $this->getDefaultRecordEditableFields();
return $fields;
}
/**
* Get the first has_one Image realtion from the GridField managed DataObject
*
* @return string
*/
function getDefaultRecordImageField()
{
$recordClass = $this->gridField->list->dataClass;
$recordHasOneFields = Config::inst()->get($recordClass, 'has_one', Config::INHERITED);
$imageField = null;
foreach( $recordHasOneFields as $field => $type )
{
if($type == 'Image' || is_subclass_of($type, 'Image')) {
$imageField = $field . 'ID';
break;
}
}
return $imageField;
}
/**
* Returns the classname of the first has_one image-relation of the managed DataObject or the
* classname of the given fieldname
*
* @return string
*/
private function getRecordImageClass()
{
$recordClass = $this->gridField->list->dataClass;
$recordHasOneFields = Config::inst()->get($recordClass, 'has_one', Config::INHERITED);
$fieldName = $this->component->getConfig('imageFieldName');
if($fieldName != null)
{
// filter out ID at the end:
$fieldName = substr($fieldName, 0, -2);
return $recordHasOneFields[$fieldName];
}
foreach($recordHasOneFields as $field => $type)
{
if($type == 'Image' || is_subclass_of($type, 'Image'))
{
return $type;
}
}
return null;
}
/**
*
* @param type $recordID
* @return type
*/
function getRecordHTMLFormFields( $recordID = 0 )
{
$config = $this->component->getConfig();
$recordCMSDataFields = GridFieldBulkEditingHelper::getModelCMSDataFields( $config, $this->gridField->list->dataClass );
//@TODO: if editableFields given use them with filterNonEditableRecordsFields()
// otherwise go through getModelFilteredDataFields
$recordCMSDataFields = GridFieldBulkEditingHelper::filterNonEditableRecordsFields($config, $recordCMSDataFields);
if ( $config['imageFieldName'] == null ) $config['imageFieldName'] = $this->getDefaultRecordImageField();
$recordCMSDataFields = GridFieldBulkEditingHelper::getModelFilteredDataFields($config, $recordCMSDataFields);
$recordCMSDataFields = GridFieldBulkEditingHelper::populateCMSDataFields($recordCMSDataFields, $this->gridField->list->dataClass, $recordID);
$formFieldsHTML = GridFieldBulkEditingHelper::dataFieldsToHTML($recordCMSDataFields);
$formFieldsHTML = GridFieldBulkEditingHelper::escapeFormFieldsHTML($formFieldsHTML, $recordID);
return $formFieldsHTML;
}
/**
* Creates and return the bulk upload form
*
* @return Form
*/
public function uploadForm($id = null, $fields = null)
{
$actions = new FieldList();
$actions->push(
FormAction::create('SaveAll', 'Save All')
->setAttribute('id', 'bulkImageUploadUpdateBtn')
->addExtraClass('ss-ui-action-constructive')
->setAttribute('data-icon', 'accept')
->setAttribute('data-url', $this->Link('update'))
->setUseButtonTag(true)
->setAttribute('src', '')//changes type to image so isn't hooked by default actions handlers
);
$actions->push(
FormAction::create('Cancel', 'Cancel & Delete All')
->setAttribute('id', 'bulkImageUploadUpdateCancelBtn')
->addExtraClass('ss-ui-action-destructive')
->setAttribute('data-icon', 'decline')
->setAttribute('data-url', $this->Link('cancel'))
->setUseButtonTag(true)
->setAttribute('src', '')//changes type to image so isn't hooked by default actions handlers
);
/* *
* UploadField
*/
$imageRealtionName = $this->getRecordImageClass();
$uploadField = UploadField::create($imageRealtionName, '');
$uploadField->setConfig('previewMaxWidth', 40);
$uploadField->setConfig('previewMaxHeight', 30);
$uploadField->addExtraClass('ss-assetuploadfield');
$uploadField->removeExtraClass('ss-uploadfield');
$uploadField->setTemplate('AssetUploadField');
$uploadField->setDownloadTemplateName('colymba-gfbiu-uploadfield-downloadtemplate');
//always overwrite
$uploadField->setOverwriteWarning(false);
/* *
* UploadField configs
*/
//custom upload url
$uploadField->setConfig('url', $this->Link('upload'));
//max file size
$maxFileSize = $this->component->getConfig('maxFileSize');
if ( $maxFileSize !== null )
{
$uploadField->getValidator()->setAllowedMaxFileSize( $maxFileSize );
}
//upload dir
$uploadDir = $this->component->getConfig('folderName');
if ( $uploadDir !== null )
{
$uploadField->setFolderName($uploadDir);
}
//sequential upload
$uploadField->setConfig('sequentialUploads', $this->component->getConfig('sequentialUploads'));
/* *
* Create form
*/
$form = new Form(
$this,
'uploadForm',
new FieldList(
$uploadField
),
$actions
);
$crumbs = $this->Breadcrumbs();
if($crumbs && $crumbs->count()>=2)
{
$one_level_up = $crumbs->offsetGet($crumbs->count()-2);
$form->Backlink = $one_level_up->Link;
}
return $form;
}
/**
* Default and main action that returns the upload form etc...
*
* @return string Form's HTML
*/
public function index($request)
{
Requirements::javascript(FRAMEWORK_DIR . '/javascript/AssetUploadField.js');
Requirements::css(FRAMEWORK_DIR . '/css/AssetUploadField.css');
Requirements::javascript(BULK_EDIT_TOOLS_PATH . '/javascript/GridFieldBulkImageUpload.js');
Requirements::css(BULK_EDIT_TOOLS_PATH . '/css/GridFieldBulkImageUpload.css');
Requirements::javascript(BULK_EDIT_TOOLS_PATH . '/javascript/GridFieldBulkImageUpload_downloadtemplate.js');
$form = $this->uploadForm();
$form->setTemplate('LeftAndMain_EditForm');
$form->addExtraClass('cms-content center LeftAndMain'); //not using cms-edit-form to avoid btn being hooked with default handlers
$form->setAttribute('data-pjax-fragment', 'Content');
if($request->isAjax())
{
$response = new SS_HTTPResponse(
Convert::raw2json(
array(
'Content' => $form->forTemplate()->getValue()//$form->forAjaxTemplate()->getValue()
)
)
);
$response->addHeader('X-Pjax', 'Content');
$response->addHeader('Content-Type', 'text/json');
$response->addHeader('X-Title', 'SilverStripe - Bulk '.$this->gridField->list->dataClass.' Image Upload');
return $response;
}
else {
$controller = $this->getToplevelController();
return $controller->customise(array(
'Content' => $form
));
}
}
/**
* Traverse up nested requests until we reach the first that's not a GridFieldDetailForm or GridFieldDetailForm_ItemRequest.
* The opposite of {@link Controller::curr()}, required because
* Controller::$controller_stack is not directly accessible.
*
* @return Controller
*/
protected function getToplevelController() {
$c = $this->controller;
while($c && ($c instanceof GridFieldDetailForm_ItemRequest || $c instanceof GridFieldDetailForm)) {
$c = $c->getController();
}
return $c;
}
/**
* Process upload through UploadField,
* creates new record and link newly uploaded file
* adds record to GrifField relation list
* and return image/file data and record edit form
*
* @param SS_HTTPRequest $request
* @return string json
*/
public function upload(SS_HTTPRequest $request)
{
//create record
$recordClass = $this->gridField->list->dataClass;
$record = Object::create($recordClass);
$record->write();
// passes the current gridfield-instance to a call-back method on the new object
$record->extend("onBulkImageUpload", $this->gridField);
//get uploadField and process upload
$imageRelationName = $this->getRecordImageClass();
$uploadField = $this->uploadForm()->Fields()->fieldByName($imageRelationName);
$uploadField->setRecord($record);
$uploadResponse = $uploadField->upload( $request );
//get uploaded File
$uploadResponse = Convert::json2array( $uploadResponse->getBody() );
$uploadResponse = array_shift( $uploadResponse );
$uploadedFile = DataObject::get_by_id( $imageRelationName, $uploadResponse['id'] );
// Attach the file to record.
$record->{"{$imageRelationName}ID"} = $uploadedFile->ID;
$record->write();
// attached record to gridField relation
$this->gridField->list->add($record->ID);
//get record's CMS Fields
$recordEditableFormFields = $this->getRecordHTMLFormFields( $record->ID );
// Collect all output data.
$return = array_merge($uploadResponse, array(
'preview_url' => $uploadedFile->setHeight(55)->Link(),
'record' => array(
'ID' => $record->ID,
'fields' => $recordEditableFormFields
)
));
$response = new SS_HTTPResponse(Convert::raw2json(array($return)));
$response->addHeader('Content-Type', 'text/plain');
return $response;
}
/**
* Update a record with the newly edited fields
*
* @param SS_HTTPRequest $request
* @return string
*/
public function update(SS_HTTPRequest $request)
{
$data = GridFieldBulkEditingHelper::unescapeFormFieldsPOSTData($request->requestVars());
$record = DataObject::get_by_id($this->gridField->list->dataClass, $data['ID']);
foreach($data as $field => $value)
{
if ( $record->hasMethod($field) ) {
$list = $record->$field();
$list->setByIDList( $value );
}else{
$record->setCastedField($field, $value);
}
}
$record->write();
return '{done:1,recordID:'.$data['ID'].'}';
}
/**
* Delete the Image Object and File as well as the DataObject
* according to the ID sent from the form
*
* @param SS_HTTPRequest $request
* @return string json
*/
public function cancel(SS_HTTPRequest $request)
{
$data = GridFieldBulkEditingHelper::unescapeFormFieldsPOSTData($request->requestVars());
$return = array();
$recordClass = $this->gridField->list->dataClass;
$record = DataObject::get_by_id($recordClass, $data['ID']);
$imageField = $this->getRecordImageField();
$imageID = $record->$imageField;
$image = DataObject::get_by_id('Image', $imageID);
$return[$data['ID']]['imageID'] = $imageID;
$return[$data['ID']]['deletedDataObject'] = DataObject::delete_by_id($recordClass, $data['ID']);
$return[$data['ID']]['deletedFormattedImages'] = $image->deleteFormattedImages();
$return[$data['ID']]['deletedImageFile'] = unlink( Director::getAbsFile($image->getRelativePath()) );
$response = new SS_HTTPResponse(Convert::raw2json($return));
$response->addHeader('Content-Type', 'text/plain');
return $response;
}
/**
* Edited version of the GridFieldEditForm function
* adds the 'Bulk Upload' at the end of the crums
*
* CMS-specific functionality: Passes through navigation breadcrumbs
* to the template, and includes the currently edited record (if any).
* see {@link LeftAndMain->Breadcrumbs()} for details.
*
* @author SilverStripe original Breadcrumbs() method
* @see GridFieldDetailForm_ItemRequest
* @param boolean $unlinked
* @return ArrayData
*/
function Breadcrumbs($unlinked = false) {
if(!$this->controller->hasMethod('Breadcrumbs')) return;
$items = $this->controller->Breadcrumbs($unlinked);
$items->push(new ArrayData(array(
'Title' => 'Bulk Upload',
'Link' => false
)));
return $items;
}
}