8 * Implementation of 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_show($params) {
21 $path = drupal_get_path('module', 'mkdru');
22 // Include client library.
23 drupal_add_js(variable_get('pz2_js_path', 'pazpar2/js')
24 . '/pz2.js', 'module', 'footer');
25 drupal_add_js($path . '/jquery.ba-bbq.js', 'module', 'footer');
26 drupal_add_js($path . '/mkdru.theme.js', 'module', 'footer');
27 drupal_add_js($path . '/mkdru.client.js', 'module', 'footer');
28 $html = theme('mkdru_results');
29 drupal_add_js(array('mkdru' =>
30 array('use_sessions' => '1', 'query' => $params['keys']
32 return array("content" => $html);
36 * Implementation of hook_perm()
38 function mkdru_perm() {
39 return array('create metasearch interface', 'edit any metasearch interface', 'edit own metasearch interface');
43 * Implementation of hook_access()
45 function mkdru_access($op, $node, $account) {
47 if ($op == 'create') {
48 // Only users with permission to do so may create this node type.
49 return user_access('create metasearch interface', $account);
52 // Users who create a node may edit or delete it later, assuming they have the
53 // necessary permissions.
54 if ($op == 'update' || $op == 'delete') {
55 if (user_access('edit own metasearch interface', $account) && ($account->uid == $node->uid)) {
58 elseif (user_access('edit any metasearch interface', $account)) {
65 * Implementation of hook_menu()
67 function mkdru_menu() {
68 $items['admin/settings/mkdru'] = array(
69 'title' => 'mkdru Settings',
70 'description' => 'Settings for mkdru.',
71 'page callback' => 'drupal_get_form',
72 'page arguments' => array('mkdru_admin_settings'),
73 'access arguments' => array('administer site configuration'),
74 'type' => MENU_NORMAL_ITEM,
75 'file' => 'mkdru.admin.inc',
81 * Implementation of hook_init()
83 function mkdru_init() {
84 // Applies our module specific CSS to all pages. This works best because
85 // all CSS is aggregated and cached so we reduce the number of HTTP
86 // requests and the size is negligible.
87 drupal_add_css(drupal_get_path('module', 'mkdru') .'/mkdru.css');
94 * Implementation of hook_form()
96 function mkdru_form(&$node, $form_state) {
97 $type = node_get_types('type', $node);
99 $form['title'] = array(
100 '#type' => 'textfield',
101 '#title' => check_plain($type->title_label),
102 '#required' => FALSE,
103 '#default_value' => $node->title,
107 $form['search_settings'] = array(
108 '#type' => 'fieldset',
109 '#title' => t('Pazpar2/Service Proxy search settings'),
110 '#collapsible' => TRUE,
111 '#collapsed' => FALSE
113 $form['search_settings']['pz2_path'] = array(
114 '#type' => 'textfield',
115 '#title' => t('Pazpar2/Service Proxy path'),
116 '#description' => t('Path that takes Pazpar2 commands via HTTP'),
118 '#default_value' => isset($node->mkdru->pz2_path) ? $node->mkdru->pz2_path : '/pazpar2/search.pz2',
120 $form['search_settings']['sp_user'] = array(
121 '#type' => 'textfield',
122 '#title' => t('Service Proxy username (optional)'),
123 '#description' => t('Service-Proxy username'),
124 '#required' => FALSE,
125 '#default_value' => isset($node->mkdru->sp_user) ?
126 $node->mkdru->sp_user : '',
128 $form['search_settings']['sp_pass'] = array(
129 '#type' => 'textfield',
130 '#title' => t('Service Proxy password (optional)'),
131 '#description' => t('Service-Proxy password'),
132 '#required' => FALSE,
133 '#default_value' => isset($node->mkdru->sp_pass) ?
134 $node->mkdru->sp_pass : '',
136 $form['search_settings']['use_sessions'] = array(
137 '#type' => 'checkbox',
138 '#title' => t('Session handling'),
139 '#description' => t('Disable for use with Service Proxy'),
140 '#default_value' => isset($node->mkdru->use_sessions) ? $node->mkdru->use_sessions : 1,
143 $form['display_settings'] = array(
144 '#type' => 'fieldset',
145 '#title' => t('Display settings'),
146 '#collapsible' => TRUE,
147 '#collapsed' => FALSE
149 $form['display_settings']['source_max'] = array(
150 '#type' => 'textfield',
151 '#title' => t('Number of sources to display'),
153 '#default_value' => isset($node->mkdru->source_max) ? $node->mkdru->source_max : 10,
157 $form['display_settings']['author_max'] = array(
158 '#type' => 'textfield',
159 '#title' => t('Number of authors to display'),
161 '#default_value' => isset($node->mkdru->author_max) ? $node->mkdru->author_max : 10,
165 $form['display_settings']['subject_max'] = array(
166 '#type' => 'textfield',
167 '#title' => t('Number of subjects to display'),
169 '#default_value' => isset($node->mkdru->subject_max) ? $node->mkdru->subject_max : 10,
178 * Implementation of hook_validate()
180 function mkdru_validate($node) {
181 if (!is_numeric($node->source_max)) {
182 form_set_error('source_max', t('Please enter a number.'));
184 if (!is_numeric($node->author_max)) {
185 form_set_error('author_max', t('Please enter a number.'));
187 if (!is_numeric($node->subject_max)) {
188 form_set_error('subject_max', t('Please enter a number.'));
193 * Implementation of hook_insert().
195 function mkdru_insert($node) {
196 drupal_write_record('mkdru', $node);
200 * Implementation of hook_update().
202 function mkdru_update($node) {
203 if ($node->revision) {
204 // New revision; treat it as a new record.
208 drupal_write_record('mkdru', $node, 'vid');
213 * Implementation of hook_nodeapi().
215 * When a node revision is deleted, we need to remove the corresponding record
216 * from our table. The only way to handle revision deletion is by implementing
219 function mkdru_nodeapi(&$node, $op, $teaser, $page) {
221 case 'delete revision':
222 db_query('DELETE FROM {mkdru} WHERE vid = %d', $node->vid);
228 * Implementation of hook_delete().
230 function mkdru_delete($node) {
231 // Deleting by nid covers all revisions.
232 db_query('DELETE FROM {mkdru} WHERE nid = %d', $node->nid);
239 * Implementation of hook_load()
241 function mkdru_load($node) {
242 return array('mkdru' => db_fetch_object(db_query(
243 'SELECT * FROM {mkdru} WHERE vid = %d', $node->vid)));
247 * Implementation of hook_theme().
249 function mkdru_theme() {
251 'mkdru_form' => array(
252 'template' => 'mkdru-form',
253 'arguments' => array(),
255 'mkdru_results' => array(
256 'template' => 'mkdru-results',
257 'arguments' => array(),
260 'arguments' => array('node' => NULL),
262 'mkdru_block_search' => array(
263 'template' => 'mkdru-block-search',
264 'arguments' => array('nid' => NULL, 'path' => NULL),
266 'mkdru_block_facet' => array(
267 'template' => 'mkdru-block-facet',
268 'arguments' => array('class' => NULL)
274 * Theme function to include Javascript search client and deps
276 function theme_mkdru_js($node) {
277 $path = drupal_get_path('module', 'mkdru');
278 // Pazpar2 client library.
279 drupal_add_js(variable_get('pz2_js_path', 'pazpar2/js') . '/pz2.js', 'module', 'footer', TRUE, TRUE, FALSE);
280 // jQuery plugin for query string/history manipulation.
281 drupal_add_js($path . '/jquery.ba-bbq.js', 'module', 'footer', TRUE, TRUE, FALSE);
282 drupal_add_js($path . '/mkdru.theme.js', 'module', 'footer', TRUE, TRUE, FALSE);
283 drupal_add_js($path . '/mkdru.client.js', 'module', 'footer', TRUE, TRUE, FALSE);
284 drupal_add_js(array('mkdru' => $node->mkdru), 'setting');
288 * Implementation of hook_view()
290 function mkdru_view($node, $teaser = FALSE, $page = FALSE) {
291 $node->content['mkdru_js'] = array(
292 '#value' => theme('mkdru_js', $node),
295 $node->content['mkdru_form'] = array(
296 '#value' => theme('mkdru_form'),
299 $node->content['mkdru_results'] = array(
300 '#value' => theme('mkdru_results'),
307 * Implementation of hook_block()
309 function mkdru_block($op='list', $delta='sources', $edit=array()) {
313 // D6 has no setting for note type visibility, set
314 // the default to limit facet display to this type
316 if (arg(0) == "node" && is_numeric(arg(1))) {
317 $node = node_load(array("nid" => arg(1)));
318 return $node->type == "mkdru";
322 // NB: block caching is redundant for static content
323 $blocks['mkdru_sources']['info'] = t('mkdru - source facets');
324 $blocks['mkdru_sources']['cache'] = BLOCK_NO_CACHE;
325 $blocks['mkdru_sources']['visibility'] = 2;
326 $blocks['mkdru_sources']['pages'] = $visPHP;
327 $blocks['mkdru_subjects']['info'] = t('mkdru - subject facets');
328 $blocks['mkdru_subjects']['cache'] = BLOCK_NO_CACHE;
329 $blocks['mkdru_subjects']['visibility'] = 2;
330 $blocks['mkdru_subjects']['pages'] = $visPHP;
331 $blocks['mkdru_authors']['info'] = t('mkdru - author facets');
332 $blocks['mkdru_authors']['cache'] = BLOCK_NO_CACHE;
333 $blocks['mkdru_authors']['visibility'] = 2;
334 $blocks['mkdru_authors']['pages'] = $visPHP;
336 $result = db_query("SELECT title, nid FROM {node} WHERE type = 'mkdru';");
337 while ($node = db_fetch_object($result)) {
338 $blocks['mkdru_search_' . $node->nid]['info'] =
339 t('mkdru - search box for "' . $node->title . '"');
340 $blocks['mkdru_sources']['cache'] = BLOCK_NO_CACHE;
346 case 'mkdru_sources':
347 $block['subject'] = t('Source');
348 $block['content'] = theme('mkdru_block_facet', 'mkdru-facet-source');
350 case 'mkdru_subjects':
351 $block['subject'] = t('Subject');
352 $block['content'] = theme('mkdru_block_facet', 'mkdru-facet-subject');
354 case 'mkdru_authors':
355 $block['subject'] = t('Author');
356 $block['content'] = theme('mkdru_block_facet', 'mkdru-facet-author');
359 if (substr($delta, 0, 13) == 'mkdru_search_') {
360 $nid = substr($delta, 13);
361 $block['content'] = theme('mkdru_block_search', $nid, '/node/' . $nid);