1 // Set up namespace and some state.
3 // Settings to pass to pz2.js
4 useSessions: Drupal.settings.mkdru.use_sessions === '1',
10 pazpar2Path: Drupal.settings.mkdru.pz2_path,
11 facetContainerSelector: Drupal.settings.mkdru.facetContainerSelector,
15 displayName: Drupal.settings.mkdru.source_dname || "Source",
16 orderWeight: Drupal.settings.mkdru.source_weight || 1,
18 max: Drupal.settings.mkdru.source_max || 10
21 displayName: Drupal.settings.mkdru.subject_dname || "Subject",
22 orderWeight: Drupal.settings.mkdru.source_weight || 2,
24 max: Drupal.settings.mkdru.subject_max || 10,
29 displayName: Drupal.settings.mkdru.author_dname || "Author",
30 orderWeight: Drupal.settings.mkdru.source_weight || 3,
32 max: Drupal.settings.mkdru.author_max || 10,
55 // So we can use jQuery BBQ with Drupal 6 and its 1.2.6 jQuery
56 if (!$.isArray) $.isArray = function(obj) {
57 return Object.prototype.toString.call(obj) === "[object Array]";
60 // BBQ has no handy way to remove params without changing the hash.
61 // This takes an object to add and an array of keys to delete.
62 mkdru.hashAddDelMany = function (add, del) {
63 var newHash = $.deparam.fragment();
64 if (typeof(add) === 'object')
65 $.extend(newHash, add);
67 for (var i=0; i < del.length; i++)
68 if (newHash[del[i]] !== 'undefined')
69 delete newHash[del[i]];
70 return $.param.fragment("#", newHash);
73 // It's sometimes cumbersome that object literals can't take variable keys.
74 mkdru.hashAddDelOne = function (key, value, del) {
85 return mkdru.hashAddDelMany(toAdd, toDel);
90 // pz2.js event handlers:
91 mkdru.pz2Init = function () {
92 if (mkdru.state.query) {
96 //mkdru.pz2.bytarget();
99 mkdru.pz2Show = function (data) {
100 mkdru.totalRec = data.merged;
101 $('.mkdru-pager').html(mkdru.generatePager());
102 $('.mkdru-counts').html(Drupal.theme('mkdruCounts', data.start + 1,
103 data.num, data.merged, data.total));
105 for (var i = 0; i < data.hits.length; i++) {
106 html += Drupal.theme('mkdruResult', data.hits[i],
107 i + 1 + mkdru.state.perpage * (mkdru.state.page - 1),
108 "#" + $.param.fragment($.param.fragment(
109 window.location.href, {recid: data.hits[i].recid})) + "\n"
112 $('.mkdru-result-list').html(html);
113 if (mkdru.state.recid) {
114 mkdru.pz2.record(mkdru.state.recid);
117 $('.mkdru-results').show();
121 mkdru.pz2Status = function (data) {
122 $('.mkdru-status').html(Drupal.theme('mkdruStatus', data.activeclients, data.clients));
125 mkdru.pz2Term = function (data) {
126 // if signaled, prepare container client-side
127 if (mkdru.facetContainerSelector) {
128 $(mkdru.facetContainerSelector).html(Drupal.theme('mkdruFacetContainer',
129 data, mkdru.facets));
131 for (var facet in mkdru.facets) {
133 if (mkdru.state['limit_' + facet]) {
134 $('.mkdru-facet-' + facet).html(Drupal.theme('mkdruFacetLimit',
135 data[mkdru.facets[facet].pz2Name][0],
136 mkdru.hashAddDelOne(null, null, 'limit_' + facet)));
138 $('.mkdru-facet-' + facet).html(Drupal.theme('mkdruFacet',
139 data[mkdru.facets[facet].pz2Name],
140 facet, mkdru.facets[facet].max));
145 mkdru.pz2ByTarget = function (data) {
149 mkdru.pz2Record = function (data) {
150 clearTimeout(mkdru.pz2.showTimer);
151 $('.mkdru-results').hide();
152 $('.mkdru-detail').html(Drupal.theme('mkdruDetail', data,
153 mkdru.hashAddDelOne(null, null, 'recid')));
154 $('.mkdru-detail').show();
155 clearTimeout(mkdru.pz2.recordTimer);
160 // State and URL handling
162 // populate state from an object and fill in the blanks with defaults
163 mkdru.stateFromObject = function (obj) {
164 mkdru.state = $.extend({}, mkdru.defaultState);
165 for (var key in mkdru.defaultState)
166 if (typeof(obj[key]) != "undefined")
167 mkdru.state[key] = obj[key];
170 // populate state from current window's hash string
171 mkdru.stateFromHash = function () {
172 mkdru.stateFromObject($.deparam.fragment());
175 // set current window's hash string from state
176 mkdru.hashFromState = function () {
177 // only include non-default settings in the URL
178 var alteredState = {};
179 for (var key in mkdru.defaultState) {
180 if (mkdru.state[key] != mkdru.defaultState[key]) {
181 alteredState[key] = mkdru.state[key];
184 $.bbq.pushState(alteredState, 2);
187 // update mkdru_form theme's ui to match state
188 mkdru.uiFromState = function () {
189 for (var key in mkdru.state) {
192 $('.mkdru-search input:text').attr('value', mkdru.state[key]);
195 $('.mkdru-perpage').attr('value', mkdru.state[key]);
198 $('.mkdru-sort').attr('value', mkdru.state[key]);
204 mkdru.hashChange = function () {
205 mkdru.stateFromHash();
206 // Request for details
207 if (mkdru.state.recid) {
208 mkdru.pz2.record(mkdru.state.recid);
210 // Other internal link
212 // may need to run search again to limit targets
213 for (key in mkdru.state) {
214 if (key.substring(0,5) === 'limit' && mkdru.state[key]) {
219 mkdru.pz2.showPage(mkdru.state.page-1);
220 $('.mkdru-detail').hide();
221 $('.mkdru-results').show();
225 // return link to limit facet
226 mkdru.addLimit = function (facet, limit) {
227 var newHash = $.deparam.fragment();
228 delete newHash['page'];
229 if ((typeof(newHash['limit_' + facet]) === 'undefined')
230 || !mkdru.facets[facet].multiLimit) {
231 newHash['limit_' + facet] = limit;
234 newHash['limit_' + facet] += ';' + limit;
236 return $.param.fragment("#", newHash);
239 // return link to remove limit from facet
240 mkdru.removeLimit = function (facet, limit) {
241 var newHash = $.deparam.fragment();
242 delete newHash['page'];
243 if (!newHash['limit_' + facet].indexOf(';') || !mkdru.facets[facet].multiLimit) {
244 delete newHash['limit_' + facet];
247 var limits = newHash['limit_' + facet].split(';');
248 for (var i = 0; i < limits.length; i++) {
249 if (limits[i] == limit) {
251 newHash['limit_' + facet] = limits.join(';');
256 return $.param.fragment("#", newHash);
261 // form submit handler
262 mkdru.submitQuery = function () {
263 // new query, back to defaults (shallow copy)
264 mkdru.state = $.extend({}, mkdru.defaultState);
265 mkdru.state.query = $('.mkdru-search input:text').attr('value');
266 mkdru.pollDropDowns();
267 mkdru.hashFromState();
273 // criteria drop-down (perpage, sort) handler
274 mkdru.submitCriteria = function () {
275 mkdru.pollDropDowns();
276 //search is not ON, do nothing
277 if (!mkdru.active) return false;
278 // pages mean different things now
279 mkdru.state.page = 1;
280 mkdru.hashFromState();
281 mkdru.pz2.show(0, mkdru.state.perpage, mkdru.state.sort);
285 mkdru.search = function () {
287 var query = mkdru.state.query;
289 // facet limit implementation
290 for (var facet in mkdru.facets) {
292 if (mkdru.state['limit_' + facet]) {
293 if (facet == "source") {
294 filter = 'pz:id=' + mkdru.state.limit_source;
297 var limits = mkdru.state['limit_' + facet].split(';');
298 for (var i = 0; i < limits.length; i++) {
299 // ex. query + and au="{limit_author}"
300 query += ' and ' + mkdru.facets[facet]['limiter'] + '="'
301 + mkdru.state['limit_' + facet] + '"';
307 mkdru.pz2.search(query, mkdru.state.perpage, mkdru.state.sort, filter);
311 mkdru.pollDropDowns = function () {
312 mkdru.state.perpage = $('.mkdru-perpage').attr('value');
313 mkdru.state.sort = $('.mkdru-sort').attr('value');
316 mkdru.generatePager = function () {
317 // cast page parameter to numeric so we can add to it
318 if (typeof mkdru.state.page == "string") {
319 mkdru.state.page = Number(mkdru.state.page);
321 var total = Math.ceil(mkdru.totalRec / mkdru.state.perpage);
322 var first = (mkdru.state.page - mkdru.pagerRange > 0)
323 ? mkdru.state.page - mkdru.pagerRange : 1;
324 var last = first + 2 * mkdru.pagerRange < total
325 ? first + 2 * mkdru.pagerRange : total;
330 if ((mkdru.state.page - 1) >= first) {
331 prev = "#" + $.param.fragment($.param.fragment(
332 window.location.href, {page: mkdru.state.page - 1}))
334 if ((mkdru.state.page + 1) <= total) {
335 next = "#" + $.param.fragment($.param.fragment(
336 window.location.href, {page: mkdru.state.page + 1}))
339 for (var i = first; i <= last; i++) {
340 pages.push("#" + $.param.fragment($.param.fragment(
341 window.location.href, {page: i})));
344 return Drupal.theme('mkdruPager', pages, first, mkdru.state.page,
350 // wait until the DOM is ready, bind events
351 // and instantiate pz2 library
352 $(document).ready(function () {
353 $(window).bind( 'hashchange', mkdru.hashChange);
354 $('.mkdru-search').bind('submit', mkdru.submitQuery);
355 $('.mkdru-search input:text').attr('value', '');
356 $('.mkdru-perpage').bind('change', mkdru.submitCriteria);
357 $('.mkdru-sort').bind('change', mkdru.submitCriteria);
359 // generate termlist for pz2.js and populate facet limit state
361 for (var key in mkdru.facets) {
362 termlist.push(mkdru.facets[key].pz2Name);
363 mkdru.defaultState['limit_' + key] = null;
366 mkdru.pz2 = new pz2( { "onshow": mkdru.pz2Show,
367 "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
368 "pazpar2path": mkdru.pazpar2Path,
369 "oninit": mkdru.pz2Init,
370 "onstat": mkdru.pz2Status,
371 "onterm": mkdru.pz2Term,
372 "termlist": termlist.join(','),
373 "onbytarget": mkdru.pz2ByTarget,
374 "usesessions" : mkdru.useSessions,
375 "showResponseType": mkdru.showResponseType,
376 "onrecord": mkdru.pz2Record,
377 "autoInit": false } );
379 // initialise state to hash string or defaults
380 mkdru.stateFromHash();
381 // and update UI to match
385 if (typeof(Drupal.settings.mkdru.query) !== "undefined") {
386 mkdru.state.query = Drupal.settings.mkdru.query
389 //not running against SP? init, otherwise authenticate
390 if (mkdru.useSessions) {
394 var user = Drupal.settings.mkdru.sp_user;
395 var pass = Drupal.settings.mkdru.sp_pass;
397 params['command'] = 'auth';
399 params['action'] = 'login';
400 params['username'] = user;
401 params['password'] = pass;
403 params['action'] = 'ipauth';
405 var authReq = new pzHttpRequest(mkdru.pazpar2Path,
407 alert("Authentication against metasearch gateway failed: " +err);
412 var s = data.getElementsByTagName('status');
413 if (s.length && Element_getTextContent(s[0]) == "OK") {
414 mkdru.realm = data.getElementsByTagName('realm');
417 alert("Malformed response when authenticating against the metasearch"