silverstripe-framework/src/Forms/UploadField_SelectHandler.php
2016-11-29 12:31:16 +13:00

169 lines
5.1 KiB
PHP

<?php
namespace SilverStripe\Forms;
use SilverStripe\Assets\File;
use SilverStripe\Assets\Folder;
use SilverStripe\Control\Controller;
use SilverStripe\Control\RequestHandler;
use SilverStripe\Core\Config\Config;
use SilverStripe\Forms\GridField\GridField;
use SilverStripe\Forms\GridField\GridFieldConfig;
use SilverStripe\Forms\GridField\GridFieldDataColumns;
use SilverStripe\Forms\GridField\GridFieldFilterHeader;
use SilverStripe\Forms\GridField\GridFieldPaginator;
use SilverStripe\Forms\GridField\GridFieldSortableHeader;
use SilverStripe\ORM\DataList;
use SilverStripe\View\Requirements;
/**
* File selection popup for attaching existing files.
*/
class UploadField_SelectHandler extends RequestHandler
{
/**
* @var UploadField
*/
protected $parent;
/**
* @var string
*/
protected $folderName;
/**
* Set pagination quantity for file list field
*
* @config
* @var int
*/
private static $page_size = 11;
private static $url_handlers = array(
'$Action!' => '$Action',
'' => 'index',
);
private static $allowed_actions = array(
'Form'
);
public function __construct($parent, $folderName = null)
{
$this->parent = $parent;
$this->folderName = $folderName;
parent::__construct();
}
public function index()
{
// Requires a separate JS file, because we can't reach into the iframe with entwine.
Requirements::javascript(ltrim(FRAMEWORK_ADMIN_DIR . '/client/dist/js/UploadField_select.js', '/'));
return $this->renderWith('SilverStripe\\Admin\\CMSDialog');
}
/**
* @param string $action
* @return string
*/
public function Link($action = null)
{
return Controller::join_links($this->parent->Link(), '/select/', $action);
}
/**
* Build the file selection form.
*
* @skipUpgrade
* @return Form
*/
public function Form()
{
// Find out the requested folder ID.
$folderID = $this->parent->getRequest()->requestVar('ParentID');
if ($folderID === null && $this->parent->getDisplayFolderName()) {
$folder = Folder::find_or_make($this->parent->getDisplayFolderName());
$folderID = $folder ? $folder->ID : 0;
}
// Construct the form
$action = new FormAction('doAttach', _t('UploadField.AttachFile', 'Attach file(s)'));
$action->addExtraClass('ss-ui-action-constructive icon-accept');
$form = new Form(
$this,
'Form',
new FieldList($this->getListField($folderID)),
new FieldList($action)
);
// Add a class so we can reach the form from the frontend.
$form->addExtraClass('uploadfield-form');
return $form;
}
/**
* @param int $folderID The ID of the folder to display.
* @return FormField
*/
protected function getListField($folderID)
{
// Generate the folder selection field.
/** @skipUpgrade */
$folderField = new TreeDropdownField(
'ParentID',
_t('HTMLEditorField.FOLDER', 'Folder'),
'SilverStripe\\Assets\\Folder'
);
$folderField->setValue($folderID);
// Generate the file list field.
$config = GridFieldConfig::create();
$config->addComponent(new GridFieldSortableHeader());
$config->addComponent(new GridFieldFilterHeader());
$config->addComponent($colsComponent = new GridFieldDataColumns());
$colsComponent->setDisplayFields(array(
'StripThumbnail' => '',
'Title' => File::singleton()->fieldLabel('Title'),
'Created' => File::singleton()->fieldLabel('Created'),
'Size' => File::singleton()->fieldLabel('Size')
));
$colsComponent->setFieldCasting(array(
'Created' => 'DBDatetime->Nice'
));
// Set configurable pagination for file list field
$pageSize = Config::inst()->get(get_class($this), 'page_size');
$config->addComponent(new GridFieldPaginator($pageSize));
// If relation is to be autoset, we need to make sure we only list compatible objects.
$baseClass = $this->parent->getRelationAutosetClass();
// Create the data source for the list of files within the current directory.
$files = DataList::create($baseClass)->exclude('ClassName', 'SilverStripe\\Assets\\Folder');
if ($folderID) {
$files = $files->filter('ParentID', $folderID);
}
$fileField = new GridField('Files', false, $files, $config);
$fileField->setAttribute('data-selectable', true);
if ($this->parent->getAllowedMaxFileNumber() !== 1) {
$fileField->setAttribute('data-multiselect', true);
}
$selectComposite = new CompositeField(
$folderField,
$fileField
);
return $selectComposite;
}
public function doAttach($data, $form)
{
// Popup-window attach does not require server side action, as it is implemented via JS
}
}