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<?php
/**
* @package Widgetkit
* @author YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license http://www.gnu.org/licenses/gpl.html GNU/GPL
*/
/*
Class: ElementGallery
The file element class
*/
class ElementGallery extends Element implements iSubmittable{
protected $filter = "/(\.bmp|\.gif|\.jpg|\.jpeg|\.png)$/i";
/*
Function: Constructor
*/
public function __construct() {
// call parent constructor
parent::__construct();
if ($this->app->system->application->isAdmin()) {
// set callbacks
$this->registerCallback('dirs');
}
// connect to submission beforesubmissiondisplay event
$this->app->event->dispatcher->connect('element:beforesubmissiondisplay', array($this, 'showInSubmission'));
}
/*
Function: getDirectory
Returns the directory with trailing slash.
Returns:
String - directory
*/
public function getDirectory() {
return rtrim($this->config->get('directory'), '/').'/';
}
public function getResource() {
return 'root:'.$this->getDirectory().trim($this->get('value'), '/');
}
public function getFiles() {
return $this->app->path->files($this->getResource(), false, $this->filter);
}
/*
Function: hasValue
Checks if the element's value is set.
Parameters:
$params - AppData render parameter
Returns:
Boolean - true, on success
*/
public function hasValue($params = array()) {
// init vars
$params = $this->app->data->create($params);
$value = $this->get('value');
if (empty($value)) {
return false;
}
$thumbs = $this->_getThumbnails($params);
return !empty($thumbs);
}
/*
Function: render
Renders the element.
Parameters:
$params - AppData render parameter
Returns:
String - html
*/
public function render($params = array()) {
// init vars
$params = $this->app->data->create($params);
// get thumbnails
$thumbs = $this->_getThumbnails($params);
// no thumbnails found
if (empty($thumbs)) {
return JText::_('No thumbnails found');
}
// limit thumbnails to count
if (($count = (int) $params->get('count', 0)) && $count < count($thumbs)) {
$thumbs = array_slice($thumbs, 0, $count);
}
// add css and javascript
$this->app->document->addScript('elements:gallery/gallery.js');
$this->app->document->addStylesheet('elements:gallery/gallery.css');
if ($layout = $this->getLayout($params->get('mode', 'lightbox').'.php')) {
return $this->renderLayout($layout, compact('thumbs', 'params'));
}
return null;
}
/*
Function: edit
Renders the edit form field.
Returns:
String - html
*/
public function edit() {
// init vars
$title = htmlspecialchars(html_entity_decode($this->get('title'), ENT_QUOTES), ENT_QUOTES);
if ($layout = $this->getLayout('edit.php')) {
return $this->renderLayout($layout, compact('title'));
}
return null;
}
/*
Function: loadAssets
Load elements css/js assets.
Returns:
Void
*/
public function loadAssets() {
$this->app->document->addScript('assets:js/finder.js');
$this->app->document->addScript('elements:gallery/gallery.js');
}
/*
Function: dirs
Get directory list JSON formatted
Returns:
Void
*/
public function dirs() {
$dirs = array();
$path = $this->app->request->get('path', 'string');
foreach ($this->app->path->dirs('root:'.$this->getDirectory().$path) as $dir) {
$count = count($this->app->path->files('root:'.$this->getDirectory().$path.'/'.$dir, false, $this->filter));
$dirs[] = array('name' => basename($dir) . " ($count)", 'path' => $path.'/'.$dir, 'type' => 'folder');
}
return json_encode($dirs);
}
/*
Function: renderSubmission
Renders the element in submission.
Parameters:
$params - AppData submission parameters
Returns:
String - html
*/
public function renderSubmission($params = array()) {
if ($params->get('trusted_mode', false)) {
echo $this->app->html->_('control.selectdirectory', 'root:'.$this->_getDirectoryPath(), null, $this->getControlName('value'), $this->get('value'));
}
return false;
}
/*
Function: validateSubmission
Validates the submitted element
Parameters:
$value - AppData value
$params - AppData submission parameters
Returns:
Array - cleaned value
*/
public function validateSubmission($value, $params) {
$value = $value->get('value', '');
if ($params->get('required') && empty($value)) {
throw new AppValidatorException('Please select a gallery folder.');
}
if (!empty($value) && !$this->_inDirectoryPath($value)) {
throw new AppValidatorException(sprintf('This file is not located in the upload directory.'));
}
return compact('value');
}
protected function _getThumbnails($params) {
$thumbs = array();
$width = (int) $params->get('width');
$height = (int) $params->get('height');
$title = $this->get('title', '');
$path = $this->app->path->path($this->getResource()).'/';
// set default thumbnail size, if incorrect sizes defined
if ($width < 1 && $height < 1) {
$width = 100;
$height = null;
}
foreach ($this->getFiles() as $filename) {
$file = $path.$filename;
$thumb = $this->app->zoo->resizeImage($file, $width, $height);
// if thumbnail exists, add it to return value
if (is_file($thumb)) {
// set image name or title if exsist
$name = !empty($title) ? $title : $this->app->string->ucwords($this->app->string->str_ireplace('_', ' ', JFile::stripExt($filename)));
// get image info
list($thumb_width, $thumb_height) = @getimagesize($thumb);
$thumbs[] = array(
'name' => $name,
'filename' => $filename,
'img' => JURI::root().$this->app->path->relative($file),
'img_file' => $file,
'thumb' => JURI::root().$this->app->path->relative($thumb),
'thumb_width' => $thumb_width,
'thumb_height' => $thumb_height
);
}
}
usort($thumbs, create_function('$a,$b', 'return strcmp($a["filename"], $b["filename"]);'));
switch ($params->get('order', 'asc')) {
case 'random':
shuffle($thumbs);
break;
case 'desc':
$thumbs = array_reverse($thumbs);
break;
}
return $thumbs;
}
protected function _inDirectoryPath($folder) {
return (bool) $this->app->path->path('root:'.$this->_getDirectoryPath().'/'.$folder);
}
protected function _getDirectoryPath() {
return trim(trim($this->config->get('directory', 'images/')), '\/');
}
public function showInSubmission($event) {
if ($event['element']->identifier == $this->identifier) {
$event['render'] = (bool) $event['params']['trusted_mode'];
}
}
}