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"),
21 * Implements hook_search_info()
23 function mkdru_search_info() {
25 'title' => 'Meta search',
27 'conditions_callback' => 'mkdru_search_conditions_callback',
32 * Implements hook_search_page()
34 function mkdru_search_page($results) {
35 $output['prefix']['#markup'] = theme('mkdru_results');
36 $output['suffix']['#markup'] = '';
41 * Implements hook_ding_facetbrowser()
43 function mkdru_ding_facetbrowser() {
44 $results = new stdClass();
45 $results->facets = array();
46 $results->show_empty = TRUE; # Show an empty facetbrowser block, even if search didn't return any results
51 * Search callback function that is invoked by search_view()
53 function mkdru_search_conditions_callback($keys) {}
56 * Implement hook_search_execute()
58 function mkdru_search_execute($keys = NULL, $conditions = NULL) {
59 $path = drupal_get_path('module', 'mkdru');
60 // Include client library.
61 drupal_add_js(variable_get('pz2_js_path', 'pazpar2/js') . '/pz2.js',
62 array('type' => 'file', 'scope' => 'footer'));
63 drupal_add_library('overlay', 'jquery-bbq');
64 drupal_add_js($path . '/recipe.js',
65 array('type' => 'file', 'scope' => 'footer'));
66 drupal_add_js($path . '/mkdru.theme.js',
67 array('type' => 'file', 'scope' => 'footer'));
68 drupal_add_js($path . '/mkdru.client.js',
69 array('type' => 'file', 'scope' => 'footer'));
70 drupal_add_js(array('mkdru' =>
72 'use_sessions' => variable_get('use_sessions', '1'),
73 'pz2_path' => variable_get('pz2_path', '/pazpar2/search.pz2'),
74 'sp_user' => variable_get('sp_user', ''),
75 'sp_pass' => variable_get('sp_pass', ''),
84 * Implements hook_permission()
86 function mkdru_permission() {
88 'administer metasearch interfaces' => array(
89 'title' => t('Administer Pazpar2 metasearch integration'),
91 'create metasearch interface' => array(
92 'title' => t('Create metasearch interface'),
94 'edit any metasearch interface' => array(
95 'title' => t('Edit any metasearch interface'),
97 'edit own metasearch interface' => array(
98 'title' => t('Edit own metasearch interface'),
104 * Implements hook_node_access()
106 function mkdru_node_access($node, $op, $account) {
107 if ($op == 'create') {
108 // Only users with permission to do so may create this node type.
109 return user_access('create metasearch interface', $account);
112 // Users who create a node may edit or delete it later, assuming they have the
113 // necessary permissions.
114 if ($op == 'update' || $op == 'delete') {
115 if (user_access('edit own metasearch interface', $account) && ($account->uid == $node->uid)) {
118 elseif (user_access('edit any metasearch interface', $account)) {
125 * Implements hook_menu()
127 function mkdru_menu() {
128 $items['admin/settings/mkdru'] = array(
129 'title' => 'mkdru Settings',
130 'description' => 'Settings for mkdru.',
131 'page callback' => 'drupal_get_form',
132 'page arguments' => array('mkdru_admin_settings'),
133 'access arguments' => array('administer site configuration'),
134 'type' => MENU_NORMAL_ITEM,
135 'file' => 'mkdru.admin.inc',
141 * Implementation of hook_init()
143 function mkdru_init() {
144 // Applies our module specific CSS to all pages. This works best because
145 // all CSS is aggregated and cached so we reduce the number of HTTP
146 // requests and the size is negligible.
147 drupal_add_css(drupal_get_path('module', 'mkdru') .'/mkdru.css');
154 * Implements hook_form()
156 function mkdru_form(&$node, $form_state) {
157 $type = node_type_get_type($node);
159 $form['title'] = array(
160 '#type' => 'textfield',
161 '#title' => check_plain($type->title_label),
162 '#required' => FALSE,
163 '#default_value' => $node->title,
167 $form['search_settings'] = array(
168 '#type' => 'fieldset',
169 '#title' => t('Pazpar2/Service Proxy search settings'),
170 '#collapsible' => TRUE,
171 '#collapsed' => FALSE
173 $form['search_settings']['pz2_path'] = array(
174 '#type' => 'textfield',
175 '#title' => t('Pazpar2/Service Proxy path'),
176 '#description' => t('Path that takes Pazpar2 commands via HTTP'),
178 '#default_value' => isset($node->mkdru->pz2_path) ? $node->mkdru->pz2_path : '/pazpar2/search.pz2',
180 $form['search_settings']['use_sessions'] = array(
181 '#type' => 'checkbox',
182 '#title' => t('Session handling'),
183 '#description' => t('Disable for use with Service Proxy'),
184 '#default_value' => isset($node->mkdru->use_sessions) ? $node->mkdru->use_sessions : 1,
187 $form['sp_settings'] = array(
188 '#type' => 'fieldset',
189 '#title' => t('Service Proxy specific settings'),
190 '#collapsible' => TRUE,
193 $form['sp_settings']['sp_user'] = array(
194 '#type' => 'textfield',
195 '#title' => t('Service Proxy username'),
196 '#description' => t('Service Proxy username'),
197 '#required' => FALSE,
198 '#default_value' => isset($node->mkdru->sp_user) ?
199 $node->mkdru->sp_user : '',
201 $form['sp_settings']['sp_pass'] = array(
202 '#type' => 'textfield',
203 '#title' => t('Service Proxy password'),
204 '#description' => t('Service Proxy password'),
205 '#required' => FALSE,
206 '#default_value' => isset($node->mkdru->sp_pass) ?
207 $node->mkdru->sp_pass : '',
210 $form['display_settings'] = array(
211 '#type' => 'fieldset',
212 '#title' => t('Display settings'),
213 '#collapsible' => TRUE,
214 '#collapsed' => FALSE
216 $form['display_settings']['source_max'] = array(
217 '#type' => 'textfield',
218 '#title' => t('Number of sources to display'),
220 '#default_value' => isset($node->mkdru->source_max) ? $node->mkdru->source_max : 10,
224 $form['display_settings']['author_max'] = array(
225 '#type' => 'textfield',
226 '#title' => t('Number of authors to display'),
228 '#default_value' => isset($node->mkdru->author_max) ? $node->mkdru->author_max : 10,
232 $form['display_settings']['subject_max'] = array(
233 '#type' => 'textfield',
234 '#title' => t('Number of subjects to display'),
236 '#default_value' => isset($node->mkdru->subject_max) ? $node->mkdru->subject_max : 10,
245 * Implements hook_validate()
247 function mkdru_validate($node) {
248 if (!is_numeric($node->source_max)) {
249 form_set_error('source_max', t('Please enter a number.'));
251 if (!is_numeric($node->author_max)) {
252 form_set_error('author_max', t('Please enter a number.'));
254 if (!is_numeric($node->subject_max)) {
255 form_set_error('subject_max', t('Please enter a number.'));
260 * Implements hook_insert().
262 function mkdru_insert($node) {
263 drupal_write_record('mkdru', $node);
267 * Implements hook_update().
269 function mkdru_update($node) {
270 if ($node->revision) {
271 // New revision; treat it as a new record.
275 drupal_write_record('mkdru', $node, 'vid');
280 * Implements hook_node_revision_delete()
282 function mkdru_node_revision_delete($node) {
284 ->condition('vid', $node->vid)
289 * Implements hook_delete()
291 function mkdru_delete($node) {
292 // Deleting by nid covers all revisions.
294 ->condition('nid', $node->nid)
302 * Implements hook_load()
304 function mkdru_load($nodes) {
305 $result = db_query('SELECT * FROM {mkdru} WHERE nid IN (:nids)', array(':nids' => array_keys($nodes)));
306 foreach ($result as $record) {
307 $nodes[$record->nid]->mkdru = $record;
312 * Implements hook_theme().
314 function mkdru_theme() {
316 'mkdru_form' => array(
317 'template' => 'mkdru-form',
318 'variables' => array(),
320 'mkdru_results' => array(
321 'template' => 'mkdru-results',
322 'variables' => array(),
325 'variables' => array('node' => NULL),
327 'mkdru_block_search' => array(
328 'template' => 'mkdru-block-search',
329 'variables' => array('nid' => NULL, 'path' => NULL),
331 'mkdru_block_facet' => array(
332 'template' => 'mkdru-block-facet',
333 'variables' => array('class' => NULL)
339 * Theme function to include Javascript search client and deps
341 function theme_mkdru_js(&$variables) {
342 $path = drupal_get_path('module', 'mkdru');
343 // Pazpar2 client library
344 drupal_add_js(variable_get('pz2_js_path', 'pazpar2/js') . '/pz2.js', array(
345 'type' => 'file', 'scope' => 'footer', 'defer' => TRUE, 'preprocess' => FALSE));
346 // jQuery plugin for query string/history manipulation.
347 drupal_add_library('system', 'jquery.bbq');
348 drupal_add_js($path . '/mkdru.theme.js', array(
349 'type' => 'file', 'scope' => 'footer', 'defer' => TRUE, 'preprocess' => FALSE));
350 drupal_add_js($path . '/mkdru.client.js', array(
351 'type' => 'file', 'scope' => 'footer', 'defer' => TRUE, 'preprocess' => FALSE));
352 drupal_add_js(array('mkdru' => $variables['node']->mkdru), 'setting');
356 * Implements hook_view()
358 function mkdru_view($node, $view_mode) {
359 if ($view_mode == 'full') {
360 $node->content['mkdru_js'] = array(
361 '#markup' => theme('mkdru_js', array('node' => $node)),
364 $node->content['mkdru_form'] = array(
365 '#markup' => theme('mkdru_form'),
368 $node->content['mkdru_results'] = array(
369 '#markup' => theme('mkdru_results'),
380 * Implements hook_block_info()
382 function mkdru_block_info() {
384 $facets = variable_get('mkdru_facets');
385 foreach ($facets as $facet) {
386 // NB: block caching is redundant for static content
387 $blocks['mkdru_facet_' . $facet]['info'] = "mkdru - $facet " . t('facet');
388 $blocks['mkdru_facet_' . $facet]['cache'] = DRUPAL_NO_CACHE;
392 $result = db_query("SELECT title, nid FROM {node} WHERE type = 'mkdru';");
393 foreach($result as $node) {
394 $blocks['mkdru_search_' . $node->nid]['info'] =
395 t('mkdru - search box for "' . $node->title . '"');
396 $blocks['mkdru_sources']['cache'] = DRUPAL_NO_CACHE;
403 * Implements hook_block_view()
405 function mkdru_block_view($delta) {
406 if (substr($delta, 0, 12) == 'mkdru_facet_') {
407 $facet = substr($delta, 12);
408 $block['subject'] = t(ucwords($facet));
409 $block['content'] = theme('mkdru_block_facet',
410 array('class' => 'mkdru-facet-' . $facet));
413 elseif (substr($delta, 0, 13) == 'mkdru_search_') {
414 $nid = substr($delta, 13);
415 $block['content'] = theme('mkdru_block_search',
416 array('nid' => $nid, 'path' => '/node/' . $nid));