/**
* Set up form
*/
public function setup()
{
parent::setup();
$this->setWidget('sf_image_id', new sfWidgetFormInputHidden());
$this->setWidget('cropped_image', new sfWidgetFormInputFile());
// Override from the default options
$options = array('required' => true, 'path' => null);
$this->setValidator('cropped_image', new sfValidatorImageFile(sfImagePoolUtil::getValidatorOptions($options), sfImagePoolUtil::getValidatorMessages()));
$this->useFields(array('sf_image_id', 'cropped_image'));
}
/**
* Find all files in the sfImagePool filesystem with the given
* name (i.e. all the resized versions) and delete them.
*
* Also need to delete sfImagePoolCrops - as the image itself has changed
* this will handle deleting off the cloud
*
* @param string $filename Old file to delete
*/
public function deleteCached($filename, $image = null)
{
$count = sfImagePoolUtil::deleteImageFile($filename);
if ($image) {
$crops = $image->getCrops();
if (0 < $crops->count()) {
foreach ($crops as $crop) {
// Delete crop - interfaces with Cache
$crop->delete();
$crop->free();
}
}
}
}
/**
* A generic upload action for creating new images and saving them
* with tags, not not associating with any object.
*
* A straight forward add to pool action. Written to allow integration with other plugins
* or uploading contexts which don't involve the admin gen and an sfImagePoolImage form.
* Handles multiple files, all with same tags. Good for WYSIWYG editor integration.
*
* Checks for a 'tag' field name and uses this to add tags. Can be
* a CSV list or a single string.
*
* Only works with POST data, doesn't aim to replace any data (PUT).
*/
public function executeUpload(sfWebRequest $request)
{
$this->forward404Unless($request->isMethod('post'));
// process each upload one by one
foreach ($request->getFiles() as $upload) {
// first do checks for standard php upload errors, as we probably won't have
// an uploaded file to deal with at all, so need the correct error message.
$errors = sfImagePoolUtil::getUploadErrors($upload);
// spit out any errors we've got and halt right here.
if (count($errors)) {
$message = sprintf('<ul><li>%s</li></ul>', implode('</li><li>', $errors));
return $this->renderText($message);
}
sfImagePoolUtil::createImageFromUpload($upload, $tags);
}
return sfView::NONE;
}
/**
* Output image of given size for an sfImagePoolImage.
*
* @param mixed $invoker Model or sfImagePool image
* @param string $dimensions e.g. 'crop=200x150' or '200' for fit to 200 width (scale is default)
* @param mixed $options either string or array, e.g. array('method' => 'scale', 'require_size' => true)
* @param string $attributes HTML attributes, such as width, height and alt
* @param boolean $absolute return absolute URL for an image
* @return string
* @author Jimmy Wong
*/
function pool_image_tag($invoker, $dimensions = 200, $options = 'crop', $attributes = array(), $absolute = false)
{
// remove Symfony escaping if applied
if ($invoker instanceof sfOutputEscaper) {
$invoker = $invoker->getRawValue();
}
// attempt to fetch associated sfImagePoolImage
$image = $invoker instanceof sfImagePoolImage ? $invoker : $invoker->getFeaturedImage();
if (is_array($dimensions)) {
$w = $dimensions[0];
$h = $dimensions[1];
} else {
if (strpos(strtolower($dimensions), 'x') !== false) {
list($w, $h) = explode('x', $dimensions);
} else {
$h = $w = $dimensions;
}
}
if (is_array($options)) {
$method = array_key_exists('method', $options) ? $options['method'] : 'crop';
} else {
$method = $options;
$options = array();
}
$pool_image_uri = pool_image_uri($image, array($w, $h), $method, $absolute);
// We need the actual image dimensions so the space is correct on the page
if (array_key_exists('require_size', $options) && true == $options['require_size']) {
// Only if we're scaling it - get the image size
if ('scale' == $method) {
list($attributes['width'], $attributes['height']) = sfImagePoolUtil::calculateWidthAndHeight($image, $w, $h);
} else {
$attributes['width'] = $w;
$attributes['height'] = $h;
}
}
$attributes = _sf_image_pool_build_attrs($image, array($w, $h), $method, $attributes);
return image_tag($pool_image_uri, $attributes);
}
public function addMultipleUploadFields($field_name = 'image', $nb_images = 5)
{
sfImagePoolUtil::addMultipleUploadFields($this, $field_name, $nb_images);
}
/**
* Delete files in image pool folder - including all thumbnails
* This is used by all cache implementations as the original file is stored on the filesystem
* The main delete is only used to remove files if no crop sent through
*
* @author Jo Carter
*/
public function delete(sfImagePoolCrop $crop = null)
{
if (!is_null($crop)) {
$count = sfImagePoolUtil::deleteImageFile($this->image['filename']);
}
}