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<?php
/**
* @package com_zoo
* @author YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license http://www.gnu.org/licenses/gpl.html GNU/GPL
*/
/*
Class: ElementImage
The image element class
*/
class ElementImage extends Element implements iSubmittable {
/*
Function: hasValue
Checks if the element's value is set.
Parameters:
$params - render parameter
Returns:
Boolean - true, on success
*/
public function hasValue($params = array()) {
$file = $this->get('file');
return !empty($file) && JFile::exists(JPATH_ROOT.'/'.$this->get('file'));
}
/*
Function: getSearchData
Get elements search data.
Returns:
String - Search data
*/
public function getSearchData() {
return $this->get('title');
}
/*
Function: render
Renders the element.
Parameters:
$params - render parameter
Returns:
String - html
*/
public function render($params = array()) {
// init vars
$params = $this->app->data->create($params);
$title = $this->get('title');
$file = $this->app->zoo->resizeImage(JPATH_ROOT.'/'.$this->get('file'), $params->get('width', 0), $params->get('height', 0));
$link = JURI::root() . $this->app->path->relative($file);
$url = $target = $rel = '';
if ($params->get('link_to_item', false)) {
if ($this->getItem()->getState()) {
$url = $this->app->route->item($this->_item);
$title = empty($title) ? $this->_item->name : $title;
}
} else if ($this->get('link')) {
$url = $this->get('link');
$target = $this->get('target');
$rel = $this->get('rel');
}
// get alt
$alt = empty($title) ? $this->_item->name : $title;
// render layout
if ($file && $layout = $this->getLayout()) {
return $this->renderLayout($layout,
compact('file', 'title', 'alt', 'link', 'params', 'url', 'target', 'rel')
);
}
return null;
}
/*
Function: edit
Renders the edit form field.
Returns:
String - html
*/
public function edit() {
$this->app->document->addScript('assets:js/image.js');
if ($layout = $this->getLayout('edit.php')) {
return $this->renderLayout($layout);
}
}
/*
Function: renderSubmission
Renders the element in submission.
Parameters:
$params - AppData submission parameters
Returns:
String - html
*/
public function renderSubmission($params = array()) {
// load js
$this->app->document->addScript('elements:image/image.js');
// init vars
$image = $this->get('file');
// is uploaded file
$image = is_array($image) ? '' : $image;
// get params
$trusted_mode = $params->get('trusted_mode');
// build image select
$lists = array();
if ($trusted_mode) {
$options = array($this->app->html->_('select.option', '', '- '.JText::_('Select Image').' -'));
if (!empty($image) && !$this->_inUploadPath($image)) {
$options[] = $this->app->html->_('select.option', $image, '- '.JText::_('No Change').' -');
}
$img_ext = str_replace(',', '|', trim(JComponentHelper::getParams('com_media')->get('image_extensions'), ','));
foreach ($this->app->path->files('root:'.$this->_getUploadImagePath(), false, '/\.('.$img_ext.')$/i') as $file) {
$options[] = $this->app->html->_('select.option', $this->_getUploadImagePath().'/'.$file, $file);
}
$lists['image_select'] = $this->app->html->_('select.genericlist', $options, $this->getControlName('image'), 'class="image"', 'value', 'text', $image);
} else {
if (!empty($image)) {
$image = $this->app->zoo->resizeImage($this->app->path->path('root:' . $image), 0, 0);
$image = $this->app->path->relative($image);
}
}
if (!empty($image)) {
$image = $this->app->path->url('root:' . $image);
}
if ($layout = $this->getLayout('submission.php')) {
return $this->renderLayout($layout,
compact('lists', 'image', 'trusted_mode')
);
}
}
/*
Function: validateSubmission
Validates the submitted element
Parameters:
$value - AppData value
$params - AppData submission parameters
Returns:
Array - cleaned value
*/
public function validateSubmission($value, $params) {
// init vars
$trusted_mode = $params->get('trusted_mode');
// get old file value
$old_file = $this->get('file');
$file = '';
// get file from select list
if ($trusted_mode && $file = $value->get('image')) {
if (!$this->_inUploadPath($file) && $file != $old_file) {
throw new AppValidatorException(sprintf('This file is not located in the upload directory.'));
}
if (!JFile::exists($file)) {
throw new AppValidatorException(sprintf('This file does not exist.'));
}
// get file from upload
} else {
try {
// get the uploaded file information
$userfile = $value->get('userfile', null);
$max_upload_size = $this->config->get('max_upload_size', '512') * 1024;
$max_upload_size = empty($max_upload_size) ? null : $max_upload_size;
$file = $this->app->validator
->create('file', array('mime_type_group' => 'image', 'max_size' => $max_upload_size))
->addMessage('mime_type_group', 'Uploaded file is not an image.')
->clean($userfile);
} catch (AppValidatorException $e) {
if ($e->getCode() != UPLOAD_ERR_NO_FILE) {
throw $e;
}
if (!$trusted_mode && $old_file && $value->get('image')) {
$file = $old_file;
}
}
}
if ($params->get('required') && empty($file)) {
throw new AppValidatorException('Please select an image to upload.');
}
$result = compact('file');
if ($trusted_mode) {
$result['title'] = $this->app->validator->create('string', array('required' => false))->clean($value->get('title'));
$result['link'] = $this->app->validator->create('url', array('required' => false), array('required' => 'Please enter an URL.'))->clean($value->get('link'));
$result['target'] = $this->app->validator->create('', array('required' => false))->clean($value->get('target'));
$result['rel'] = $this->app->validator->create('string', array('required' => false))->clean($value->get('rel'));
}
// connect to submission beforesave event
$this->app->event->dispatcher->connect('submission:beforesave', array($this, 'submissionBeforeSave'));
return $result;
}
protected function _inUploadPath($image) {
return $this->_getUploadImagePath() == dirname($image);
}
protected function _getUploadImagePath() {
return trim(trim($this->config->get('upload_directory', 'images/zoo/uploads/')), '\/');
}
/*
Function: submissionBeforeSave
Callback before item submission is saved
Returns:
void
*/
public function submissionBeforeSave() {
// get the uploaded file information
if (($userfile = $this->get('file')) && is_array($userfile)) {
// get file name
$ext = $this->app->filesystem->getExtension($userfile['name']);
$base_path = JPATH_ROOT . '/' . $this->_getUploadImagePath() . '/';
$file = $base_path . $userfile['name'];
$filename = basename($file, '.'.$ext);
$i = 1;
while (JFile::exists($file)) {
$file = $base_path . $filename . '-' . $i++ . '.' . $ext;
}
if (!JFile::upload($userfile['tmp_name'], $file)) {
throw new AppException('Unable to upload file.');
}
$this->app->zoo->putIndexFile(dirname($file));
$this->set('file', $this->app->path->relative($file));
}
}
/*
Function: bindData
Set data through data array.
Parameters:
$data - array
Returns:
Void
*/
public function bindData($data = array()) {
parent::bindData($data);
// add image width/height
$file = $this->get('file');
if ($file && $filepath = $this->app->path->path('root:'.$file)) {
$size = getimagesize($filepath);
$this->set('width', ($size ? $size[0] : 0));
$this->set('height', ($size ? $size[1] : 0));
}
}
}