1. sfWidgetFormInputFileEditable.class.php
  2. /**
 * sfWidgetFormInputFileEditable represents an upload HTML input tag with the possibility
 * to remove a previously uploaded file.
 *
 * @package    symfony
 * @subpackage widget
 * @author     Fabien Potencier 
 * @version    SVN: $Id: sfWidgetFormInputFileEditable.class.php 24015 2009-11-16 13:33:34Z bschussek $
 */
  3. class sfWidgetFormInputFileEditable extends sfWidgetFormInputFile
  4. {
  5.   /**
  6.    * Constructor.
  7.    *
  8.    * Available options:
  9.    *
  10.    *  * file_src:     The current image web source path (required)
  11.    *  * edit_mode:    A Boolean: true to enabled edit mode, false otherwise
  12.    *  * is_image:     Whether the file is a displayable image
  13.    *  * with_delete:  Whether to add a delete checkbox or not
  14.    *  * delete_label: The delete label used by the template
  15.    *  * template:     The HTML template to use to render this widget
  16.    *                  The available placeholders are:
  17.    *                    * input (the image upload widget)
  18.    *                    * delete (the delete checkbox)
  19.    *                    * delete_label (the delete label text)
  20.    *                    * file (the file tag)
  21.    *
  22.    * In edit mode, this widget renders an additional widget named after the
  23.    * file upload widget with a "_delete" suffix. So, when creating a form,
  24.    * don't forget to add a validator for this additional field.
  25.    *
  26.    * @param array $options     An array of options
  27.    * @param array $attributes  An array of default HTML attributes
  28.    *
  29.    * @see sfWidgetFormInputFile
  30.    */
  31.   protected function configure($options = array(), $attributes = array())
  32.   {
  33.     parent::configure($options, $attributes);
  35.     $this->setOption('type', 'file');
  36.     $this->setOption('needs_multipart', true);
  38.     $this->addRequiredOption('file_src');
  39.     $this->addOption('is_image', false);
  40.     $this->addOption('edit_mode', true);
  41.     $this->addOption('with_delete', true);
  42.     $this->addOption('delete_label', 'remove the current file');
  43.     $this->addOption('template', '%file%<br />%input%<br />%delete% %delete_label%');
  44.   }
  46.   /**
  47.    * @param  string $name        The element name
  48.    * @param  string $value       The value displayed in this widget
  49.    * @param  array  $attributes  An array of HTML attributes to be merged with the default HTML attributes
  50.    * @param  array  $errors      An array of errors for the field
  51.    *
  52.    * @return string An HTML tag string
  53.    *
  54.    * @see sfWidgetForm
  55.    */
  56.   public function render($name, $value = null, $attributes = array(), $errors = array())
  57.   {
  58.     $input = parent::render($name, $value, $attributes, $errors);
  60.     if (!$this->getOption('edit_mode'))
  61.     {
  62.       return $input;
  63.     }
  65.     if ($this->getOption('with_delete'))
  66.     {
  67.       $deleteName = ']' == substr($name, -1) ? substr($name, 0, -1).'_delete]' : $name.'_delete';
  69.       $delete = $this->renderTag('input', array_merge(array('type' => 'checkbox', 'name' => $deleteName), $attributes));
  70.       $deleteLabel = $this->translate($this->getOption('delete_label'));
  71.       $deleteLabel = $this->renderContentTag('label', $deleteLabel, array_merge(array('for' => $this->generateId($deleteName))));
  72.     }
  73.     else
  74.     {
  75.       $delete = '';
  76.       $deleteLabel = '';
  77.     }
  79.     return strtr($this->getOption('template'), array('%input%' => $input, '%delete%' => $delete, '%delete_label%' => $deleteLabel, '%file%' => $this->getFileAsTag($attributes)));
  80.   }
  82.   protected function getFileAsTag($attributes)
  83.   {
  84.     if ($this->getOption('is_image'))
  85.     {
  86.       return false !== $this->getOption('file_src') ? $this->renderTag('img', array_merge(array('src' => $this->getOption('file_src')), $attributes)) : '';
  87.     }
  88.     else
  89.     {
  90.       return $this->getOption('file_src');
  91.     }
  92.   }
  93. }
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