modules/filefield_image/filefield_image.module

<?php
// $Id: filefield_image.module,v 1.6 2008/06/29 18:27:53 jpetso Exp $
/**
 * @file
 * FileField Image: Image support for CCK file fields.
 *
 * Copyright 2008 by Jakob Petsovits <jpetso@gmx.at>
 * Distributed under the GNU General Public Licence version 2 or higher,
 * as published by the FSF on http://www.gnu.org/copyleft/gpl.html
 */

/**
 * Implementation of hook_elements().
 */
function filefield_image_elements() {
  $elements = array();
  $elements['filefield_image_edit'] = array(
    '#input' => TRUE,
    '#process' => array('filefield_image_edit_process'),
  );
  return $elements;
}

/**
 * Implementation of hook_theme().
 */
function filefield_image_theme() {
  return array(
    'filefield_image_edit' => array(
      'arguments' => array('element' => NULL),
    ),
    'filefield_image_file_formatter_default' => array(
      'arguments' => array(
        'file' => NULL, 'field' => NULL, 'file_formatter_settings' => NULL,
      ),
    ),
    'filefield_image' => array(
      'arguments' => array(
        'file' => NULL, 'attributes' => array(), 'getsize' => TRUE,
      ),
    ),
  );
}

/**
 * Suitability callback the image widget and formatter.
 * Handles the three web mimetypes: jpeg, png and gif.
 */
function filefield_image_handles_file($file) {
  return in_array($file->filemime, array(
    'image/jpeg', 'image/png', 'image/gif', // proper mimetypes
    'image/jpg', 'image/pjpeg', // IE nonstandard mimetypes, wtf?
  ));
}

/**
 * Implementation of filefield's hook_file_widget_info().
 */
function filefield_image_file_widget_info() {
  $module_path = drupal_get_path('module', 'filefield_image');

  return array(
    'default' => array(
      'form element' => 'filefield_image_edit',
      'suitability callback' => 'filefield_image_edit_handles_file',
      'css' => array($module_path .'/filefield_image.css'),
      'title' => t('Images (png/jpeg/gif)'),
      'description' => t('An edit widget for image files, including a preview of the image.'),
    ),
  );
}

function filefield_image_edit_handles_file($file, $field, $field_widget) {
  return filefield_image_handles_file($file);
}

/**
 * The 'process' callback for 'filefield_image_edit' form elements.
 * Called after defining the form and while building it, transforms the
 * barebone element array into an preview and and a text field for editing
 * the image properties (.
 */
function filefield_image_edit_process($element, $edit, &$form_state, $form) {
  $field = $element['#field'];
  $delta = $element['#delta'];
  $file = $element['#file'];
  $url = file_create_url($file->filepath);

  $prefix = isset($element['#prefix']) ? $element['#prefix'] : '';
  $suffix = isset($element['#suffix']) ? $element['#suffix'] : '';
  $element['#prefix'] = $prefix .'<div class="filefield-image-edit">';
  $element['#suffix'] = '</div>'. $suffix;

  $title = isset($file->title) ? $file->title : '';

  $element['preview'] = array(
    '#type' => 'markup',
    '#value' => theme('filefield_image', $file, array('width' => '150'), FALSE),
  );
  $element['info'] = array(
    '#type' => 'item',
    '#description' => t('Size: !size. Filename: !link', array(
      '!size' => format_size($file->filesize),
      '!link' => l($file->filename, $url),
    )),
    '#prefix' => '<div class="filefield-image-edit-info filefield-image-edit-control">',
    '#suffix' => '</div>',
  );
  $element['description'] = array(
    '#type' => 'textfield',
    '#title' => t('Description'),
    '#description' => t('Alternate text to be displayed if the image cannot be displayed.'),
    '#default_value' => empty($file->description)
                        ? $file->filename
                        : $file->description,
    '#maxlength' => 256,
    '#required' => TRUE,
    '#prefix' => '<div class="filefield-image-edit-description filefield-image-edit-control">',
    '#suffix' => '</div>',
  );
  return $element;
}


/**
 * Implementation of filefield's hook_file_formatter_info().
 */
function filefield_image_file_formatter_info() {
  $module_path = drupal_get_path('module', 'filefield_image');

  return array(
    'default' => array(
      'suitability callback' => 'filefield_image_formatter_handles_file',
      'css' => array($module_path .'/filefield_image.css'),
      'title' => t('Images (png/jpeg/gif, original size)'),
      'description' => t('Displays image files in their original size.'),
    ),
  );
}

function filefield_image_formatter_handles_file($file, $field) {
  return filefield_image_handles_file($file);
}

/**
 * Theme function for the 'filefield_image_edit' form element.
 */
function theme_filefield_image_edit($element) {
  return theme('form_element', $element, $element['#children']);
}

/**
 * Theme function for the single image file formatter.
 */
function theme_filefield_image_file_formatter_default($file, $field, $file_formatter_settings) {
  return theme('filefield_image', $file);
}

/**
 * Theme function for displaying an file as \<img\> tag, optionally with
 * extra attributes for the tag and automatic size recognition.
 */
function theme_filefield_image($file, $attributes = array(), $getsize = TRUE) {
  if ($getsize) {
    list($width, $height, $type, $image_attributes) = @getimagesize($file->filepath);
  }
  if (empty($image_attributes)) {
    if (!is_file($file->filepath)) {
      return '';
    }
    $image_attributes = '';
  }
  $description = empty($file->description) ? $file->filename : $file->description;

  $attributes = array_merge($attributes, array(
    'alt' => $description,
    'title' => empty($file->title) ? $description : $file->title,
  ));
  $attributes = $image_attributes .' '. drupal_attributes($attributes);
  $url = file_create_url($file->filepath);

  return '<div class="filefield-image">'.
    '<img src="'. check_url($url) .'" '. $attributes .' /></div>';
}
1	<?php
2	// $Id: filefield_image.module,v 1.6 2008/06/29 18:27:53 jpetso Exp $
3	/**
4	* @file
5	* FileField Image: Image support for CCK file fields.
6	*
7	* Copyright 2008 by Jakob Petsovits <jpetso@gmx.at>
8	* Distributed under the GNU General Public Licence version 2 or higher,
9	* as published by the FSF on http://www.gnu.org/copyleft/gpl.html
10	*/
11
12	/**
13	* Implementation of hook_elements().
14	*/
15	function filefield_image_elements() {
16	$elements = array();
17	$elements['filefield_image_edit'] = array(
18	'#input' => TRUE,
19	'#process' => array('filefield_image_edit_process'),
20	);
21	return $elements;
22	}
23
24	/**
25	* Implementation of hook_theme().
26	*/
27	function filefield_image_theme() {
28	return array(
29	'filefield_image_edit' => array(
30	'arguments' => array('element' => NULL),
31	),
32	'filefield_image_file_formatter_default' => array(
33	'arguments' => array(
34	'file' => NULL, 'field' => NULL, 'file_formatter_settings' => NULL,
35	),
36	),
37	'filefield_image' => array(
38	'arguments' => array(
39	'file' => NULL, 'attributes' => array(), 'getsize' => TRUE,
40	),
41	),
42	);
43	}
44
45	/**
46	* Suitability callback the image widget and formatter.
47	* Handles the three web mimetypes: jpeg, png and gif.
48	*/
49	function filefield_image_handles_file($file) {
50	return in_array($file->filemime, array(
51	'image/jpeg', 'image/png', 'image/gif', // proper mimetypes
52	'image/jpg', 'image/pjpeg', // IE nonstandard mimetypes, wtf?
53	));
54	}
55
56	/**
57	* Implementation of filefield's hook_file_widget_info().
58	*/
59	function filefield_image_file_widget_info() {
60	$module_path = drupal_get_path('module', 'filefield_image');
61
62	return array(
63	'default' => array(
64	'form element' => 'filefield_image_edit',
65	'suitability callback' => 'filefield_image_edit_handles_file',
66	'css' => array($module_path .'/filefield_image.css'),
67	'title' => t('Images (png/jpeg/gif)'),
68	'description' => t('An edit widget for image files, including a preview of the image.'),
69	),
70	);
71	}
72
73	function filefield_image_edit_handles_file($file, $field, $field_widget) {
74	return filefield_image_handles_file($file);
75	}
76
77	/**
78	* The 'process' callback for 'filefield_image_edit' form elements.
79	* Called after defining the form and while building it, transforms the
80	* barebone element array into an preview and and a text field for editing
81	* the image properties (.
82	*/
83	function filefield_image_edit_process($element, $edit, &$form_state, $form) {
84	$field = $element['#field'];
85	$delta = $element['#delta'];
86	$file = $element['#file'];
87	$url = file_create_url($file->filepath);
88
89	$prefix = isset($element['#prefix']) ? $element['#prefix'] : '';
90	$suffix = isset($element['#suffix']) ? $element['#suffix'] : '';
91	$element['#prefix'] = $prefix .'<div class="filefield-image-edit">';
92	$element['#suffix'] = '</div>'. $suffix;
93
94	$title = isset($file->title) ? $file->title : '';
95
96	$element['preview'] = array(
97	'#type' => 'markup',
98	'#value' => theme('filefield_image', $file, array('width' => '150'), FALSE),
99	);
100	$element['info'] = array(
101	'#type' => 'item',
102	'#description' => t('Size: !size. Filename: !link', array(
103	'!size' => format_size($file->filesize),
104	'!link' => l($file->filename, $url),
105	)),
106	'#prefix' => '<div class="filefield-image-edit-info filefield-image-edit-control">',
107	'#suffix' => '</div>',
108	);
109	$element['description'] = array(
110	'#type' => 'textfield',
111	'#title' => t('Description'),
112	'#description' => t('Alternate text to be displayed if the image cannot be displayed.'),
113	'#default_value' => empty($file->description)
114	? $file->filename
115	: $file->description,
116	'#maxlength' => 256,
117	'#required' => TRUE,
118	'#prefix' => '<div class="filefield-image-edit-description filefield-image-edit-control">',
119	'#suffix' => '</div>',
120	);
121	return $element;
122	}
123
124
125	/**
126	* Implementation of filefield's hook_file_formatter_info().
127	*/
128	function filefield_image_file_formatter_info() {
129	$module_path = drupal_get_path('module', 'filefield_image');
130
131	return array(
132	'default' => array(
133	'suitability callback' => 'filefield_image_formatter_handles_file',
134	'css' => array($module_path .'/filefield_image.css'),
135	'title' => t('Images (png/jpeg/gif, original size)'),
136	'description' => t('Displays image files in their original size.'),
137	),
138	);
139	}
140
141	function filefield_image_formatter_handles_file($file, $field) {
142	return filefield_image_handles_file($file);
143	}
144
145	/**
146	* Theme function for the 'filefield_image_edit' form element.
147	*/
148	function theme_filefield_image_edit($element) {
149	return theme('form_element', $element, $element['#children']);
150	}
151
152	/**
153	* Theme function for the single image file formatter.
154	*/
155	function theme_filefield_image_file_formatter_default($file, $field, $file_formatter_settings) {
156	return theme('filefield_image', $file);
157	}
158
159	/**
160	* Theme function for displaying an file as \<img\> tag, optionally with
161	* extra attributes for the tag and automatic size recognition.
162	*/
163	function theme_filefield_image($file, $attributes = array(), $getsize = TRUE) {
164	if ($getsize) {
165	list($width, $height, $type, $image_attributes) = @getimagesize($file->filepath);
166	}
167	if (empty($image_attributes)) {
168	if (!is_file($file->filepath)) {
169	return '';
170	}
171	$image_attributes = '';
172	}
173	$description = empty($file->description) ? $file->filename : $file->description;
174
175	$attributes = array_merge($attributes, array(
176	'alt' => $description,
177	'title' => empty($file->title) ? $description : $file->title,
178	));
179	$attributes = $image_attributes .' '. drupal_attributes($attributes);
180	$url = file_create_url($file->filepath);
181
182	return '<div class="filefield-image">'.
183	'<img src="'. check_url($url) .'" '. $attributes .' /></div>';
184	}