8 * Implements hook_node_info()
10 function mkdru_node_info() {
13 'name' => t("Pazpar2 metasearch interface"),
15 'description' => t("Metasearch interface for Z39.50/SRU and other targets via a Pazpar2/Service Proxy backend"),
20 function mkdru_ting_search_tab($keys) {
21 error_log("TING SEARCH TAB invoked");
22 $path = drupal_get_path('module', 'mkdru');
23 // Include client library.
24 // D6 seems not to be able to handle external scripts
25 // assume one if path starts with http:
26 // assume alias if path starts with /
27 if (preg_match('/^http:/') || preg_match('/^\//') {
28 drupal_add_js(variable_get('pz2_js_path', 'pazpar2/js')
29 . '/pz2.js', 'module', 'footer', TRUE, TRUE, FALSE);
31 drupal_add_js($path.'/'.variable_get('pz2_js_path', 'pazpar2/js')
32 . '/pz2.js', 'module', 'footer');
34 drupal_add_js($path . '/jquery.ba-bbq.js', 'module', 'footer');
35 drupal_add_js($path . '/recipe.js', 'module', 'footer');
36 drupal_add_js($path . '/mkdru.theme.js', 'module', 'footer');
37 drupal_add_js($path . '/mkdru.client.js', 'module', 'footer');
38 $html = theme('mkdru_results');
39 drupal_add_js(array('mkdru' =>
41 'settings' => json_encode(variable_get('mkdru_ding', NULL)),
42 'pz2_path' => variable_get('pz2_path', '/pazpar2/search.pz2'),
46 return array("content" => $html, "title" => "Meta Search");
50 * Implements hook_perm()
52 function mkdru_perm() {
53 return array('create metasearch interface', 'edit any metasearch interface', 'edit own metasearch interface');
57 * Implements hook_access()
59 function mkdru_access($op, $node, $account) {
61 if ($op == 'create') {
62 // Only users with permission to do so may create this node type.
63 return user_access('create metasearch interface', $account);
66 // Users who create a node may edit or delete it later, assuming they have the
67 // necessary permissions.
68 if ($op == 'update' || $op == 'delete') {
69 if (user_access('edit own metasearch interface', $account) && ($account->uid == $node->uid)) {
72 elseif (user_access('edit any metasearch interface', $account)) {
79 * Implements hook_menu()
81 function mkdru_menu() {
82 // Can't get tabbed menus to work in D6. The children work and the tabs
83 // show up there but the top level's url results in it trying to find
84 // the system module's system.inc in mkdru's directory
85 // $items['admin/settings/mkdru'] = array(
86 // 'title' => 'Pazpar2 Metasearch Settings',
87 // 'description' => 'Settings for mkdru.',
88 // 'access arguments' => array('administer site configuration'),
90 // $items['admin/settings/mkdru/settings'] = array(
91 // 'title' => 'Settings',
92 // 'description' => 'Settings for mkdru.',
93 // 'page callback' => 'drupal_get_form',
94 // 'page arguments' => array('mkdru_admin_settings'),
95 // 'type' => MENU_DEFAULT_LOCAL_TASK,
96 // 'file' => 'mkdru.admin.inc',
99 // $items['admin/settings/mkdru/ding'] = array(
100 // 'title' => 'Ding Integration',
101 // 'description' => 'Search settings for mkdru instance integrated into Ding.',
102 // 'page callback' => 'drupal_get_form',
103 // 'page arguments' => array('mkdru_ding_settings'),
104 // 'type' => MENU_LOCAL_TASK,
107 $items['admin/settings/mkdru'] = array(
108 'title' => 'Pazpar2 Metasearch Settings',
109 'description' => 'Settings for mkdru.',
110 'page callback' => 'drupal_get_form',
111 'page arguments' => array('mkdru_admin_settings'),
112 'access arguments' => array('administer site configuration'),
113 'type' => MENU_NORMAL_ITEM,
114 'file' => 'mkdru.admin.inc',
116 $items['admin/settings/mkdru-ding'] = array(
117 'title' => 'Pazpar2 Metasearch Ding Integration',
118 'description' => 'Search settings for mkdru instance integrated into Ding.',
119 'page callback' => 'drupal_get_form',
120 'page arguments' => array('mkdru_ding_settings'),
121 'access arguments' => array('administer site configuration'),
122 'type' => MENU_NORMAL_ITEM,
124 $items['ahah-mkdru-facet'] = array(
125 'page callback' => 'mkdru_add_facet_callback',
126 'access arguments' => array('create metasearch interface'),
127 'type' => MENU_CALLBACK,
133 * Implements hook_init()
135 function mkdru_init() {
136 // Applies our module specific CSS to all pages. This works best because
137 // all CSS is aggregated and cached so we reduce the number of HTTP
138 // requests and the size is negligible.
139 drupal_add_css(drupal_get_path('module', 'mkdru') .'/mkdru.css');
143 // Config form common to node and settings
144 // function mkdru_settings_form($form, &$form_state) {
145 function mkdru_settings_form(&$form_state) {
146 if (isset($form_state['values']['settings'])) {
147 $settings = $form_state['values']['settings'];
149 elseif (isset($form_state['build_info']['args']['settings'])) {
150 $settings = $form_state['build_info']['args']['settings'];
153 $settings = variable_get('mkdru_defaults', NULL);
156 $form['#cache'] = TRUE;
158 $form['settings'] = array(
162 $form['settings']['pz2_path'] = array(
163 '#type' => 'textfield',
164 '#title' => t('Pazpar2/Service Proxy path'),
165 '#description' => t('Path that takes Pazpar2 commands via HTTP'),
167 '#default_value' => $settings['pz2_path'],
169 $form['settings']['use_sessions'] = array(
170 '#type' => 'checkbox',
171 '#title' => t('Session handling'),
172 '#description' => t('Disable for use with Service Proxy'),
173 '#default_value' => $settings['use_sessions'],
176 $form['settings']['sp'] = array(
177 '#type' => 'fieldset',
178 '#title' => t('Service Proxy specific settings'),
179 '#collapsible' => TRUE,
180 '#collapsed' => FALSE
182 $form['settings']['sp']['user'] = array(
183 '#type' => 'textfield',
184 '#title' => t('Service Proxy username'),
185 '#description' => t('Service Proxy username'),
186 '#required' => FALSE,
187 '#default_value' => $settings['sp']['user'],
189 $form['settings']['sp']['pass'] = array(
190 '#type' => 'textfield',
191 '#title' => t('Service Proxy password'),
192 '#description' => t('Service Proxy password'),
193 '#required' => FALSE,
194 '#default_value' => $settings['sp']['pass'],
197 $form['settings']['facets'] = array(
198 '#type' => 'fieldset',
199 '#title' => t('Facet settings'),
200 // Set up the wrapper so that AJAX will be able to replace the fieldset.
201 '#prefix' => '<div id="mkdru-facets-form-wrapper">',
202 '#suffix' => '</div>',
203 '#collapsible' => TRUE,
204 '#collapsed' => FALSE
207 foreach (array_keys($settings['facets']) as $facet) {
208 $form['settings']['facets'][$facet] = array(
209 '#type' => 'fieldset',
210 '#title' => $facet . ' ' . t('facet'),
211 '#collapsible' => TRUE,
212 '#collapsed' => FALSE
214 $form['settings']['facets'][$facet]['displayName'] = array(
215 '#type' => 'textfield',
216 '#title' => t('Facet name to display in UI'),
218 '#default_value' => $settings['facets'][$facet]['displayName'],
220 $form['settings']['facets'][$facet]['pz2Name'] = array(
221 '#type' => 'textfield',
222 '#title' => t('Name of termlist in Pazpar2'),
224 '#default_value' => $settings['facets'][$facet]['pz2Name'],
226 $form['settings']['facets'][$facet]['limiter'] = array(
227 '#type' => 'textfield',
228 '#title' => t('Query limiter string'),
229 '#default_value' => $settings['facets'][$facet]['limiter'],
232 $form['settings']['facets'][$facet]['multiLimit'] = array(
233 '#type' => 'checkbox',
234 '#title' => t('Allow multiple limits?'),
235 '#default_value' => $settings['facets'][$facet]['multiLimit'],
237 $form['settings']['facets'][$facet]['max'] = array(
238 '#type' => 'textfield',
239 '#title' => t('Number of terms to display'),
241 '#default_value' => $settings['facets'][$facet]['max'],
245 $form['settings']['facets'][$facet]['orderWeight'] = array(
246 '#type' => 'textfield',
247 '#title' => t('Facet weight'),
248 '#default_value' => $settings['facets'][$facet]['orderWeight'],
252 $form['settings']['facets'][$facet]['remove'] = array(
254 '#value' => t('Remove ') . $facet . t(' facet'),
255 '#mkdru facet' => $facet,
256 '#submit' => array('mkdru_remove_facet_submit'),
258 'path' => 'ahah-mkdru-facet',
259 'wrapper' => 'mkdru-facets-form-wrapper',
263 $form['new_facet'] = array(
264 '#type' => 'fieldset',
265 '#title' => t('Add new facet...'),
267 '#collapsible' => TRUE,
268 '#collapsed' => FALSE
270 $form['new_facet']['canonical'] = array(
271 '#type' => 'textfield',
272 '#title' => t('Canonical name of new facet'),
274 $form['new_facet']['button'] = array(
276 '#value' => t('Add facet'),
277 '#description' => t('Configure additional facets based on Pazpar2/SP termlists'),
278 '#submit' => array('mkdru_add_facet_submit'),
280 'path' => 'ahah-mkdru-facet',
281 'wrapper' => 'mkdru-facets-form-wrapper',
287 function mkdru_add_facet_submit($form, &$form_state) {
288 $newfacet = $form_state['values']['new_facet']['canonical'];
289 $form_state['values']['settings']['facets'][$newfacet] = NULL;
290 $form_state['rebuild'] = TRUE;
291 return $form_state['values'];
294 function mkdru_remove_facet_submit($form, &$form_state) {
295 $delfacet = $form_state['clicked_button']['#mkdru facet'];
297 unset($form_state['values']['settings']['facets'][$delfacet]);
300 function mkdru_add_facet_callback() {
301 // Necessary to work with hook_form
302 module_load_include('inc', 'node', 'node.pages');
304 // Retrieve form from cache
305 $form_state = array('storage' => NULL, 'submitted' => FALSE);
306 $form_build_id = $_POST['form_build_id'];
307 $form = form_get_cache($form_build_id, $form_state);
309 // Run drupal_process_form to call submit handler and update $form_state
310 $args = $form['#parameters'];
311 $form_id = array_shift($args);
312 $form_state['post'] = $form['#post'] = $_POST;
313 $form['#programmed'] = $form['#redirect'] = FALSE;
314 drupal_process_form($form_id, $form, $form_state);
316 // Regenerate form so we can render the new facet part
317 $form = drupal_rebuild_form($form_id, $form_state, $args, $form_build_id);
319 // Choose subset of form to redraw.
320 $facet_form = $form['settings']['facets'];
321 // Prevent duplicate wrappers.
322 unset($facet_form['#prefix'], $facet_form['#suffix']);
323 $output = theme('status_messages') . drupal_render($facet_form);
325 // Final rendering callback
326 drupal_json(array('status' => TRUE, 'data' => $output));
332 function mkdru_ding_settings(&$form_state) {
333 $form_state['build_info']['args']['settings'] = variable_get('mkdru_ding', NULL);
334 $form = drupal_retrieve_form('mkdru_settings_form', &$form_state);
335 $form['settings']['#title'] = t('Default search settings');
336 $form['submit'] = array(
338 '#value' => 'Save configuration',
342 function mkdru_ding_settings_submit($form, &$form_state) {
343 variable_set('mkdru_ding', $form_state['values']['settings']);
344 drupal_set_message(t('The configuration options have been saved.'));
351 * Implements hook_form()
353 function mkdru_form(&$node, &$form_state) {
354 if (isset($node->settings)) {
355 // Second decode parameter indicates associative array
356 $form_state['build_info']['args']['settings'] = json_decode($node->settings, TRUE);
359 $form = drupal_retrieve_form('mkdru_settings_form', &$form_state);
360 $type = node_get_types('type', $node);
361 $form['title'] = array(
362 '#type' => 'textfield',
363 '#title' => check_plain($type->title_label),
364 '#required' => FALSE,
365 '#default_value' => $node->title,
373 * Implements hook_validate()
375 function mkdru_validate($node) {
380 * Implements hook_insert().
382 function mkdru_insert($node) {
383 $record['nid'] = $node->nid;
384 $record['vid'] = $node->vid;
385 $record['settings'] = json_encode($node->settings);
386 drupal_write_record('mkdru', &$record);
390 * Implements hook_update().
392 function mkdru_update($node) {
393 if ($node->revision) {
394 // New revision; treat it as a new record.
398 $record['nid'] = $node->nid;
399 $record['vid'] = $node->vid;
400 $record['settings'] = json_encode($node->settings);
401 drupal_write_record('mkdru', &$record, 'vid');
406 * Implements hook_nodeapi().
408 * When a node revision is deleted, we need to remove the corresponding record
409 * from our table. The only way to handle revision deletion is by implementing
412 function mkdru_nodeapi(&$node, $op, $teaser, $page) {
414 case 'delete revision':
415 db_query('DELETE FROM {mkdru} WHERE vid = %d', $node->vid);
421 * Implements hook_delete().
423 function mkdru_delete($node) {
424 // Deleting by nid covers all revisions.
425 db_query('DELETE FROM {mkdru} WHERE nid = %d', $node->nid);
432 * Implements hook_load()
434 function mkdru_load($node) {
435 return db_fetch_object(db_query('SELECT * FROM {mkdru} WHERE vid = %d', $node->vid));
439 * Implements hook_theme().
441 function mkdru_theme() {
443 'mkdru_form' => array(
444 'template' => 'mkdru-form',
445 'arguments' => array(),
447 'mkdru_results' => array(
448 'template' => 'mkdru-results',
449 'arguments' => array(),
452 'arguments' => array('node' => NULL),
454 'mkdru_block_search' => array(
455 'template' => 'mkdru-block-search',
456 'arguments' => array('nid' => NULL, 'path' => NULL),
458 'mkdru_block_facet' => array(
459 'template' => 'mkdru-block-facet',
460 'arguments' => array('class' => NULL)
466 * Theme function to include Javascript search client and deps
468 function theme_mkdru_js($node) {
469 $path = drupal_get_path('module', 'mkdru');
470 // Pazpar2 client library.
471 drupal_add_js(variable_get('pz2_js_path', 'pazpar2/js') . '/pz2.js', 'module', 'footer', TRUE, TRUE, FALSE);
472 // jQuery plugin for query string/history manipulation.
473 drupal_add_js($path . '/jquery.ba-bbq.js', 'module', 'footer', TRUE, TRUE, FALSE);
474 drupal_add_js($path . '/mkdru.theme.js', 'module', 'footer', TRUE, TRUE, FALSE);
475 drupal_add_js($path . '/mkdru.client.js', 'module', 'footer', TRUE, TRUE, FALSE);
476 drupal_add_js(array('mkdru' => $node->mkdru), 'setting');
477 drupal_add_js(array('mkdru' =>
479 'settings' => $node->settings,
485 * Implements hook_view()
487 function mkdru_view($node, $teaser = FALSE, $page = FALSE) {
488 $node->content['mkdru_js'] = array(
489 '#value' => theme('mkdru_js', $node),
492 $node->content['mkdru_form'] = array(
493 '#value' => theme('mkdru_form'),
496 $node->content['mkdru_results'] = array(
497 '#value' => theme('mkdru_results'),
504 * Implements hook_block()
506 function mkdru_block($op='list', $delta='sources', $edit=array()) {
509 // maybe if I label the tables or something?
510 $result = db_query("SELECT title, {mkdru}.nid as nid, settings FROM {node},{mkdru} WHERE {mkdru}.nid = {node}.nid;");
511 while ($node = db_fetch_object($result)) {
513 $blocks['mkdru_search_' . $node->nid]['info'] =
514 t('mkdru - search box for "' . $node->title . '"');
516 $settings = json_decode($node->settings, TRUE);
517 foreach ($settings['facets'] as $facet_name => $facet) {
518 $key = 'mkdru_facet_' . $facet_name . '_' . $node->nid;
519 $blocks[$key]['info'] = 'mkdru - ' . $facet_name
520 . t(' facet for "') . $node->title . '"';
521 $blocks[$key]['visibility'] = 1;
522 $blocks[$key]['pages'] = 'node/' . $node->nid;
523 $blocks[$key]['cache'] = BLOCK_CACHE_GLOBAL;
529 if (preg_match('/^mkdru_facet_(.*)_(\d+)$/', $delta, $matches) > 0) {
530 $facet = $matches[1];
533 // this is rather spendy just to get the title, should really
534 // be able to set a default title in op=list. will be cached though
535 // so I suppose it's okay?
536 $result = db_query("SELECT settings FROM {mkdru} WHERE nid = %d;", $nid);
537 $settingsjson = db_fetch_object($result)->settings;
538 $settings = json_decode($settingsjson, TRUE);
539 if (isset($settings['facets'][$facet]['displayName'])) {
540 $block['subject'] = $settings['facets'][$facet]['displayName'];
542 $block['content'] = theme('mkdru_block_facet', 'mkdru-facet-' . $facet);
544 else if (substr($delta, 0, 13) == 'mkdru_search_') {
545 $nid = substr($delta, 13);
546 $block['content'] = theme('mkdru_block_search', $nid, '/node/' . $nid);