comparison popups.module @ 0:76f9b43738f2

Popups 2.0-alpha5
author Franck Deroche <franck@defr.org>
date Fri, 31 Dec 2010 13:41:08 +0100
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children 4215c43e74eb c076d54409cb
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-1:000000000000 0:76f9b43738f2
1 <?php
2 // $Id: popups.module,v 1.11.8.10 2009/03/21 00:57:15 starbow Exp $
3
4 /**
5 * @file
6 * This module provides a hook_popups for links to be openned in an Ajax Popup Modal Dialog.
7 */
8
9
10 // **************************************************************************
11 // CORE HOOK FUNCTIONS ****************************************************
12 // **************************************************************************
13
14 /**
15 * Implementation of hook_menu().
16 *
17 * @return array of new menu items.
18 */
19 function popups_menu() {
20
21 // Admin Settings.
22 $items['admin/settings/popups'] = array(
23 'page callback' => 'drupal_get_form',
24 'page arguments' => array('popups_admin_settings'),
25 'title' => 'Popups',
26 'access arguments' => array('administer site configuration'),
27 'description' => 'Configure the page-in-a-dialog behavior.',
28 );
29
30 return $items;
31 }
32
33 /**
34 * Implementation of hook_init().
35 *
36 * Look at the page path and see if popup behavior has been requested for any links in this page.
37 */
38 function popups_init() {
39 $popups = popups_get_popups();
40
41 if (variable_get('popups_always_scan', 0)) {
42 popups_add_popups();
43 }
44
45 foreach ($popups as $path => $popup_config) {
46 if ($path == $_GET['q']) {
47 popups_add_popups($popup_config);
48 }
49 elseif (strpos($path, '*') !== FALSE && drupal_match_path($_GET['q'], $path)) {
50 popups_add_popups($popup_config);
51 }
52 }
53
54 $render_mode = '';
55 if (isset($_SERVER['HTTP_X_DRUPAL_RENDER_MODE'])) {
56 $render_mode = $_SERVER['HTTP_X_DRUPAL_RENDER_MODE'];
57 }
58
59 // Check and see if the page_override param is in the URL.
60 // Note - the magic happens here.
61 // Need to cache the page_override flag in the session, so it will effect
62 // the results page that follows a form submission.
63 if ($render_mode == 'json/popups') {
64 $_SESSION['page_override'] = TRUE;
65 }
66
67 // Move the page_override flag back out of the session.
68 if (isset($_SESSION['page_override'])) {
69 // This call will not return on form submission.
70 $content = menu_execute_active_handler();
71
72 // The call did return, so it wasn't a form request,
73 // so we are returning a result, so clear the session flag.
74 $override = $_SESSION['page_override'];
75 unset($_SESSION['page_override']);
76
77 // Menu status constants are integers; page content is a string.
78 if (isset($content) && !is_int($content) && isset($override)) {
79 print popups_render_as_json($content);
80 exit; // Do not continue processing request in index.html.
81 }
82 }
83
84 }
85
86 /**
87 * Implementation of hook_form_alter().
88 *
89 * Look at the form_id and see if popup behavior has been requested for any links in this form.
90 *
91 * @param form_array $form
92 * @param array $form_state
93 * @param str $form_id:
94 */
95 function popups_form_alter(&$form, $form_state, $form_id) {
96 // Add popup behavior to the form if requested.
97 // dsm($form_id);
98 $popups = popups_get_popups();
99 if (isset($popups[$form_id])) {
100 popups_add_popups($popups[$form_id]);
101 }
102
103 // Alter the theme configuration pages, to add a per-theme-content selector.
104 $theme = arg(4);
105 if ($form_id == 'system_theme_settings' && $theme) {
106 $form['popups'] = array(
107 '#type' => 'fieldset',
108 '#title' => t('Popup Settings'),
109 '#weight' => -2,
110 );
111 $form['popups']['popups_content_selector'] = array(
112 '#type' => 'textfield',
113 '#title' => t('Content Selector'),
114 '#default_value' => variable_get('popups_'. $theme .'_content_selector', _popups_default_content_selector()),
115 '#description' => t("jQuery selector to define the page's content area on this theme."),
116 );
117 $form['popups']['popups_theme'] = array(
118 '#type' => 'hidden',
119 '#value' => $theme,
120 );
121 $form['#submit'][] = 'popups_theme_settings_form_submit';
122 }
123 }
124
125 // **************************************************************************
126 // UTILITY FUNCTIONS ******************************************************
127 // **************************************************************************
128
129 /**
130 * Render the page contents in a custom json wrapper.
131 *
132 * @param $content: themed html.
133 * @return $content in a json wrapper with metadata.
134 */
135 function popups_render_as_json($content) {
136 $path = $_GET['q']; // Get current path from params.
137 return drupal_json(array(
138 'title' => drupal_get_title(),
139 'messages' => theme('status_messages'),
140 'path' => $path,
141 'content' => $content,
142 'js' => popups_get_js(),
143 'css' => popups_get_css(),
144 ));
145 }
146
147 /**
148 * Get the added JS in a format that is readable by popups.js.
149 */
150 function popups_get_js() {
151 $js = array_merge_recursive(drupal_add_js(), drupal_add_js(NULL, NULL, 'footer'));
152 $query_string = '?'. substr(variable_get('css_js_query_string', '0'), 0, 1);
153
154 $popup_js = array();
155
156 foreach ($js as $type => $data) {
157 if (!$data) continue;
158 switch ($type) {
159 case 'setting':
160 // Why not just array_merge_recursive($data);
161 $popup_js['setting'] = call_user_func_array('array_merge_recursive', $data);
162 break;
163 case 'inline':
164 foreach ($data as $info) {
165 $popup_js['inline'][] = '<script type="text/javascript"' . ($info['defer'] ? ' defer="defer"' : '') . '>' . $info['code'] . "</script>\n";
166 }
167 break;
168 default:
169 foreach ($data as $path => $info) {
170 $popup_js[$type][$path] = '<script type="text/javascript"'. ($info['defer'] ? ' defer="defer"' : '') .' src="'. base_path() . $path . $query_string ."\"></script>\n";
171 }
172 break;
173 }
174 }
175
176 // A special exception, never include the popups settings in the JS array.
177 // ???
178 // unset($popup_js['setting']['popups']);
179
180 return $popup_js;
181 }
182
183 /**
184 * Get the added CSSS in a format that is readable by popups.js.
185 */
186 function popups_get_css() {
187 $css = drupal_add_css();
188 $popup_css = array();
189
190 $query_string = '?'. substr(variable_get('css_js_query_string', '0'), 0, 1);
191
192 // Only process styles added to "all".
193 $media = 'all';
194 foreach ($css[$media] as $type => $files) {
195 if ($type == 'module') {
196 // Setup theme overrides for module styles.
197 $theme_styles = array();
198 foreach (array_keys($css[$media]['theme']) as $theme_style) {
199 $theme_styles[] = basename($theme_style);
200 }
201 }
202 foreach($css[$media][$type] as $file => $preprocess) {
203 // If the theme supplies its own style using the name of the module style, skip its inclusion.
204 // This includes any RTL styles associated with its main LTR counterpart.
205 if ($type == 'module' && in_array(str_replace('-rtl.css', '.css', basename($file)), $theme_styles)) {
206 // Unset the file to prevent its inclusion when CSS aggregation is enabled.
207 unset($css[$media][$type][$file]);
208 continue;
209 }
210 // Only include the stylesheet if it exists.
211 if (file_exists($file)) {
212 // If a CSS file is not to be preprocessed and it's a module CSS file, it needs to *always* appear at the *top*,
213 // regardless of whether preprocessing is on or off.
214 if ($type == 'module') {
215 $popup_css['module'][$file] = '<link type="text/css" rel="stylesheet" media="'. $media .'" href="'. base_path() . $file . $query_string .'" />'."\n";
216 }
217 // If a CSS file is not to be preprocessed and it's a theme CSS file, it needs to *always* appear at the *bottom*,
218 // regardless of whether preprocessing is on or off.
219 else if ($type == 'theme') {
220 $popup_css['theme'][$file] = '<link type="text/css" rel="stylesheet" media="'. $media .'" href="'. base_path() . $file . $query_string .'" />'."\n";
221 }
222 else {
223 $popup_css['unknown'][$file] = '<link type="text/css" rel="stylesheet" media="'. $media .'" href="'. base_path() . $file . $query_string .'" />'."\n";
224 }
225 }
226 }
227 }
228
229 return $popup_css;
230 }
231
232
233 /**
234 * Define hook_popups().
235 * Build the list of popup rules from all modules that implement hook_popups.
236 *
237 * Retrieves the list of popup rules from all modules that implement hook_popups.
238 *
239 * @param $reset
240 * (optional) If set to TRUE, forces the popup rule cache to reset.
241 *
242 */
243 function popups_get_popups($reset = FALSE) {
244 static $popups = NULL;
245 if (!isset($popups) || $reset) {
246 // Get popups hash out of cache.
247 if (!$reset && ($cache = cache_get('popups:popups')) && !empty($cache->data)) {
248 $popups = $cache->data;
249 }
250 else {
251 // Call all hook_popups and cache results.
252 $popups = module_invoke_all('popups');
253
254 // Invoke hook_popups_alter() to allow altering the default popups registry.
255 drupal_alter('popups', $popups);
256
257 // Save the popup registry in the cache.
258 cache_set('popups:popups', $popups);
259 }
260 }
261 return $popups;
262 }
263
264 /**
265 * Attach the popup behavior to the page.
266 *
267 * The default behavoir of a popup is to open a form that will modify the original page.
268 * The popup submits the form and reloads the original page with the resulting new content.
269 * The popup then replaces the original page's content area with the new copy of that content area.
270 *
271 * @param array $rules: Array of rules to apply to the page or form, keyed by jQuery link selector.
272 * See README.txt for a listing of the options, and popups_admin.module for examples.
273 */
274 function popups_add_popups($rules=NULL) {
275 static $added = FALSE;
276 $settings = array('popups' => array());
277
278 if (is_array($rules)) {
279 $settings['popups']['links'] = array();
280 foreach ($rules as $popup_selector => $options) {
281 if (is_array($options)) {
282 $settings['popups']['links'][$popup_selector] = $options;
283 }
284 else {
285 $settings['popups']['links'][$options] = array();
286 }
287 }
288 if($added) {
289 drupal_add_js( $settings, 'setting' );
290 }
291 }
292 if (!$added) {
293 // Determing if we are showing the default theme or a custom theme.
294 global $custom_theme;
295 $theme = $custom_theme;
296 if (!$theme) {
297 $theme = variable_get('theme_default','none');
298 }
299
300 drupal_add_js('misc/jquery.form.js');
301 drupal_add_css(drupal_get_path('module', 'popups') .'/popups.css');
302 drupal_add_js(drupal_get_path('module', 'popups') .'/popups.js');
303
304 // Allow skinning of the popup.
305 $skin = variable_get('popups_skin', 'Basic');
306 $skins = popups_skins();
307 if (!$skins[$skin]['css']) { // $skin == 'Unskinned'
308 // Look in the current theme for popups-skin.js
309 drupal_add_js(drupal_get_path('theme', $theme) . '/popups-skin.js');
310 }
311 else { // Get css and js from selected skin.
312 drupal_add_css($skins[$skin]['css']);
313 if (isset($skins[$skin]['js'])) {
314 drupal_add_js($skins[$skin]['js']);
315 }
316 }
317
318 $default_target_selector = variable_get('popups_'. $theme .'_content_selector', _popups_default_content_selector());
319
320 $settings['popups']['originalPath'] = $_GET['q'];
321 $settings['popups']['defaultTargetSelector'] = $default_target_selector;
322 $settings['popups']['modulePath'] = drupal_get_path('module', 'popups');
323 // $settings['popups']['popupFinalMessage'] = variable_get('popups_popup_final_message', 1);
324 $settings['popups']['autoCloseFinalMessage'] = variable_get('popups_autoclose_final_message', 1);
325 drupal_add_js( $settings, 'setting' );
326 $added = TRUE;
327 }
328 }
329
330 /**
331 * Retrieve all information from the popup skin registry.
332 *
333 * @param $reset
334 * (optional) If TRUE, will force the the skin registry to reset.
335 * @see popups_popups_skins
336 */
337 function popups_skins($reset = FALSE) {
338 static $skins = array();
339 if (empty($skins) || $reset) {
340 if (!$reset && ($cache = cache_get('popups:skins')) && !empty($cache->data)) {
341 $skins = $cache->data;
342 }
343 else {
344 // Create the popup skin registry (hook_popups_skins) and cache it.
345 $skins = module_invoke_all('popups_skins');
346 ksort($skins); // Sort them alphabetically
347 cache_set('popups:skins', $skins, 'cache', CACHE_PERMANENT);
348 }
349 }
350 return $skins;
351 }
352
353 /**
354 * Implementation of hook_popups_skins.
355 *
356 * This hook allows other modules to create additional custom skins for the
357 * popups module.
358 *
359 * @return array
360 * An array of key => value pairs suitable for inclusion as the #options in a
361 * select or radios form element. Each key must be the location of at least a
362 * css file for a popups skin. Optionally can have a js index as well. Each
363 * value should be the name of the skin.
364 */
365 function popups_popups_skins() {
366 $skins = array();
367 $skins_directory = drupal_get_path('module', 'popups') .'/skins';
368 $files = file_scan_directory($skins_directory, '\.css$');
369
370 foreach ($files as $file) {
371 $name = drupal_ucfirst($file->name);
372 $skins[$name]['css'] = $file->filename;
373 $js = substr_replace($file->filename, '.js', -4);
374 if (file_exists($js)) {
375 $skins[$name]['js'] = $js;
376 }
377 }
378 return $skins;
379 }
380
381
382 /**
383 * Returns the default jQuery content selector as a string.
384 * Currently uses the selector for Garland.
385 * Sometime in the future I will change this to '#content' or '#content-content'.
386 */
387 function _popups_default_content_selector() {
388 return 'div.left-corner > div.clear-block:last'; // Garland in Drupal 6.
389 }
390
391 // **************************************************************************
392 // ADMIN SETTINGS *********************************************************
393 // **************************************************************************
394
395 /**
396 * Form for the Popups Settings page.
397 *
398 */
399 function popups_admin_settings() {
400 popups_add_popups();
401 // drupal_add_css(drupal_get_path('module', 'popups'). '/skins/blue/blue.css'); // temp
402 drupal_set_title("Popups Settings");
403 $form = array();
404
405 $form['popups_always_scan'] = array(
406 '#type' => 'checkbox',
407 '#title' => t('Scan all pages for popup links.'),
408 '#default_value' => variable_get('popups_always_scan', 0),
409 );
410 $form['popups_autoclose_final_message'] = array(
411 '#type' => 'checkbox',
412 '#title' => t('Automatically close final confirmation messages.'),
413 '#default_value' => variable_get('popups_autoclose_final_message', 1),
414 );
415
416 // Retrieve all available skins, forcing the registry to refresh.
417 $skins['Unskinned'] = array();
418 $skins += popups_skins(TRUE);
419
420 $skin_options = drupal_map_assoc(array_keys($skins));
421 $form['popups_skins'] = array(
422 '#type' => 'fieldset',
423 '#title' => t('Skins'),
424 '#description' => t('Choose a skin from the list. After you save, click !here to test it out.', array('!here' => l('here', 'user', array('attributes' => array('class' => 'popups'))))),
425 '#collapsible' => TRUE,
426 '#collapsed' => FALSE,
427 );
428 $form['popups_skins']['popups_skin'] = array(
429 '#type' => 'radios',
430 '#title' => t('Available skins'),
431 '#default_value' => variable_get('popups_skin', 'Basic'),
432 '#options' => $skin_options,
433 );
434
435
436 return system_settings_form($form);
437 }
438
439 /**
440 * popups_form_alter adds this submit handler to the theme pages.
441 * Set a per-theme jQuery content selector that gets passed into the js settings.
442 *
443 * @param $form
444 * @param $form_state
445 */
446 function popups_theme_settings_form_submit($form, &$form_state) {
447 $theme = $form_state['values']['popups_theme'];
448 $content_selector = $form_state['values']['popups_content_selector'];
449 variable_set('popups_'. $theme .'_content_selector', $content_selector);
450 }
451