/**
* Returns url of thumbnail
*
* @param string $path Path to original file. Uses IMAGES as root path if path is relative
* @param array $params Array of phpThumb parameters
* @see LibPhpThumb::getThumbnailUrl()
*/
public function imageUrl($path, $params = array())
{
if (preg_match('@\\:\\/\\/@', $path)) {
return $path;
}
if ($path[0] != "/" && !preg_match('/^[A-Z]\\:\\\\/', $path)) {
$path = IMAGES . $path;
}
try {
list($thumbPath, $thumbUrl) = LibPhpThumb::getThumbnail($path, null, $params);
return $thumbUrl;
} catch (Exception $e) {
debug($e->getMessage());
return false;
}
return $path;
}
/**
* Attach Thumb path and url info to data row
*
* @param Model $model
* @param array $data
* @param string $field
* @throws CakeException
* @return void
*/
public function attachThumb(&$model, &$data, $field = 'image')
{
$s =& $this->settings[$model->alias];
if (!isset($data[$model->alias][$field])) {
return;
}
if (empty($data[$model->alias][$field])) {
if (!$s['defaultImage']) {
return;
}
$data[$model->alias][$field] = $s['defaultImage'];
}
//config
if (!isset($this->thumbs[$model->alias][$field])) {
if (Configure::read('debug') > 0) {
throw new CakeException(__d('media', "ThumbBehavior::attachThumb() Thumb configuration for field '%s' is not set"));
}
$thumbs = array('default' => array('w' => 100, 'h' => 100, 'q' => 70));
} else {
$thumbs = $this->thumbs[$model->alias][$field];
}
//render thumbs and return paths
$_thumbData = array();
foreach ($thumbs as $name => $config) {
$source = $source_url = $error = $thumb = $url = $url_full = null;
try {
//image source
$file = $data[$model->alias][$field];
if (!file_exists(IMAGES . $s['baseDir'] . $file)) {
if ($s['defaultImage']) {
//use default image if source not found
$file = $s['defaultImage'];
} else {
throw new CakeException(__d('media', "Source file '%s' does not exist", $source));
}
}
$source = IMAGES . $s['baseDir'] . $file;
$source_url = Router::url('/', true) . IMAGES_URL . $s['baseDir'] . $file;
//thumb-path
$thumb = LibPhpThumb::getThumbnail($source, null, $config);
//thumb-url
$url = LibPhpThumb::getThumbnailUrlFromPath($thumb, false);
$url_full = LibPhpThumb::getThumbnailUrlFromPath($thumb, true);
} catch (Exception $e) {
debug($e->getMessage());
CakeLog::write('error', __d('media', "ThumbBehavior::attachThumb() [Field '%s';Thumb '%s']: %s", $field, $name, $e->getMessage()));
$error = $e->getMessage();
}
$_thumbData[$name] = compact('source', 'source_url', 'thumb', 'url', 'url_full', 'error');
}
$data[$s['entity']][$field] = $_thumbData;
}
protected function _attachPreview($attachment, $config)
{
$preview = $config['preview'];
//check if enabled in config
if ($preview === false) {
return $attachment;
}
//check if preview can be created for this file extension
if (!$this->_validateFileExtension($attachment['ext'], array('jpg', 'jpeg', 'png', 'gif'))) {
return $attachment;
}
//TODO validate mime type
//if (!$this->_validateMimeType($attachment['type'], 'image/*'))
// return $attachment;
//default preview params
if ($preview === true) {
$preview = array();
$preview['default'] = array('width' => self::DEFAULT_PREVIEW_W, 'height' => self::DEFAULT_PREVIEW_H, 'quality' => self::DEFAULT_PREVIEW_Q);
}
// phpThumb-specific params mapping
$paramsMap = array('width' => 'w', 'height' => 'h', 'quality' => 'q');
// create thumbs
//TODO refactor to use an engine/interface instead of hardcoding with LibPhpThumb
foreach ($preview as $size => $params) {
// map preview params
$_params = array();
foreach ($params as $k => $v) {
if (array_key_exists($k, $paramsMap)) {
$_params[$paramsMap[$k]] = $v;
} else {
$_params[$k] = $v;
}
}
// reset values
$path = $url = null;
// get thumb
try {
$sourcePath = $attachment['path'];
//TODO make the default image optional
if (!file_exists($sourcePath)) {
$sourcePath = str_replace("{DS}", DS, App::pluginPath('Media') . '{DS}webroot{DS}img{DS}attachments{DS}default.jpg');
}
list($path, $url) = LibPhpThumb::getThumbnail($sourcePath, null, $_params);
} catch (Exception $e) {
#debug($e->getMessage());
$this->log('AttachableBehavior::_createPreview(): ' . $e->getMessage(), 'error');
}
$attachment['preview'][$size] = compact('path', 'url');
}
return $attachment;
}
/**
* Attach Thumb path and url info to data row
*
* @param Model $model
* @param array $data
* @param string $field
* @throws CakeException
* @return void
*/
public function attachThumb(&$model, &$data, $field = 'image')
{
$s =& $this->settings[$model->alias];
if (!isset($data[$model->alias][$field]) || empty($data[$model->alias][$field])) {
if (!$s['defaultImage']) {
return;
}
$data[$model->alias][$field] = null;
}
if (isset($data[$model->alias][$model->primaryKey])) {
$model->id = $data[$model->alias][$model->primaryKey];
}
//config
if (!isset($this->images[$model->alias][$field])) {
if (Configure::read('debug') > 0) {
throw new CakeException(__d('media', "ImageBehavior::attachThumb() Thumb configuration for field '%s' is not set", $field));
}
$images = array('default' => array('w' => 100, 'h' => 100, 'q' => 70));
} else {
$images = $this->images[$model->alias][$field];
}
//render images and return paths
$_baseDir = $this->_replaceTokens($model, $s['baseDir']);
$_imageData = array();
foreach ($images as $name => $config) {
$source = $source_url = $error = $image = $url = $url_full = null;
try {
//image source
$file = $data[$model->alias][$field] ? $_baseDir . $data[$model->alias][$field] : $s['defaultImage'];
$source = IMAGES . $file;
//TODO refactor with do-loop and support more fallbacks for default images
if (!file_exists($source)) {
//log that a source file is missing
CakeLog::write('error', __d('media', '[ImageBehavior] Image file \'%s\' is missing', $source));
if ($s['defaultImage']) {
//TODO default images can only be located in app webroot. enable plugin support
$source = IMAGES . $s['defaultImage'];
} else {
throw new CakeException(__d('media', "Source file '%s' does not exist", $source));
}
}
$source_url = Router::url('/', true) . IMAGES_URL . $file;
//image-path
$image = LibPhpThumb::getThumbnail($source, null, $config);
//image-url
$url = LibPhpThumb::getThumbnailUrlFromPath($image, false);
$url_full = LibPhpThumb::getThumbnailUrlFromPath($image, true);
} catch (Exception $e) {
CakeLog::write('error', "[ImageBehavior][Field '%s';Thumb '%s']: AttachThumb failed: %s", $field, $name, $e->getMessage());
$error = $e->getMessage();
}
$_imageData[$name] = compact('source', 'source_url', 'image', 'url', 'url_full', 'error');
}
$data[$s['entity']][$field] = $_imageData;
}
