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,
37 // State; Keys limit_{facet key} will also be initialised
54 // So we can use jQuery BBQ with Drupal 6 and its 1.2.6 jQuery
55 if (!$.isArray) $.isArray = function(obj) {
56 return Object.prototype.toString.call(obj) === "[object Array]";
59 // BBQ has no handy way to remove params without changing the hash.
60 // This takes an object to add and an array of keys to delete.
61 mkdru.hashAddDelMany = function (add, del) {
62 var newHash = $.deparam.fragment();
63 if (typeof(add) === 'object')
64 $.extend(newHash, add);
66 for (var i=0; i < del.length; i++)
67 if (newHash[del[i]] !== 'undefined')
68 delete newHash[del[i]];
69 return $.param.fragment("#", newHash);
72 // It's sometimes cumbersome that object literals can't take variable keys.
73 mkdru.hashAddDelOne = function (key, value, del) {
84 return mkdru.hashAddDelMany(toAdd, toDel);
89 // pz2.js event handlers:
90 mkdru.pz2Init = function () {
91 if (mkdru.state.query) {
97 mkdru.pz2Show = function (data) {
98 mkdru.totalRec = data.merged;
99 $('.mkdru-pager').html(mkdru.generatePager());
100 $('.mkdru-counts').html(Drupal.theme('mkdruCounts', data.start + 1,
101 data.num, data.merged, data.total));
103 for (var i = 0; i < data.hits.length; i++) {
104 html += Drupal.theme('mkdruResult', data.hits[i],
105 i + 1 + mkdru.state.perpage * (mkdru.state.page - 1),
106 "#" + $.param.fragment($.param.fragment(
107 window.location.href, {recid: data.hits[i].recid})) + "\n"
110 $('.mkdru-result-list').html(html);
111 if (mkdru.state.recid) {
112 mkdru.pz2.record(mkdru.state.recid);
115 $('.mkdru-results').show();
119 mkdru.pz2Status = function (data) {
120 $('.mkdru-status').html(Drupal.theme('mkdruStatus', data.activeclients, data.clients));
123 mkdru.contains = function (hash, key, value) {
125 if (hash[key].length) {
126 for (var i=0; i<hash[key].length; i++) {
127 if (hash[key][i] === value) {
132 return hash[key] === value;
138 mkdru.pz2Term = function (data) {
139 // map all facets against selected, for simple rendering
140 var hash = $.deparam.fragment();
141 for (var key in hash) {
142 if (key.indexOf('limit') == 0 && hash[key])
143 //always wrap in array
144 hash[key.substr(6)] = hash[key].split(/;+/);
147 for (var facet in mkdru.facets) {
148 var terms = data[mkdru.facets[facet].pz2Name];
149 for (var i=0; i<terms.length; i++) {
151 var value = facet == "source" ? term.id : term.name;
152 if (mkdru.contains(hash, facet, value)) { //enabled
153 term.toggleLink = mkdru.removeLimit(facet, value);
154 term.selected = true;
156 term.toggleLink = mkdru.addLimit(facet, value);
157 term.selected = false;
160 $('.mkdru-facet-' + facet).html(
161 Drupal.theme('mkdruFacet', terms, facet, mkdru.facets[facet].max,
166 mkdru.pz2ByTarget = function (data) {
170 mkdru.pz2Record = function (data) {
171 clearTimeout(mkdru.pz2.showTimer);
172 $('.mkdru-results').hide();
173 $('.mkdru-detail').html(Drupal.theme('mkdruDetail', data,
174 mkdru.hashAddDelOne(null, null, 'recid')));
175 $('.mkdru-detail').show();
176 clearTimeout(mkdru.pz2.recordTimer);
181 // State and URL handling
183 // populate state from an object and fill in the blanks with defaults
184 mkdru.stateFromObject = function (obj) {
185 mkdru.state = $.extend({}, mkdru.defaultState);
186 for (var key in mkdru.defaultState)
187 if (typeof(obj[key]) != "undefined")
188 mkdru.state[key] = obj[key];
191 // populate state from current window's hash string
192 mkdru.stateFromHash = function () {
193 mkdru.stateFromObject($.deparam.fragment());
196 // set current window's hash string from state
197 mkdru.hashFromState = function () {
198 // only include non-default settings in the URL
199 var alteredState = {};
200 for (var key in mkdru.defaultState) {
201 if (mkdru.state[key] != mkdru.defaultState[key]) {
202 alteredState[key] = mkdru.state[key];
205 $.bbq.pushState(alteredState, 2);
208 // update mkdru_form theme's ui to match state
209 mkdru.uiFromState = function () {
210 for (var key in mkdru.state) {
213 $('.mkdru-search input:text').attr('value', mkdru.state[key]);
216 $('.mkdru-perpage').attr('value', mkdru.state[key]);
219 $('.mkdru-sort').attr('value', mkdru.state[key]);
225 mkdru.hashChange = function () {
226 // do we need to restart the search?
227 var searchTrigger = false;
228 // shallow copy of state so we can see what changed.
229 var oldState = $.extend({}, mkdru.state);
230 mkdru.stateFromHash();
231 // only have to compare values since all keys are initialised
232 for (key in mkdru.state) {
233 var changed = (mkdru.state[key] != oldState[key]);
234 if (key.substring(0,5) === 'limit' && changed)
235 searchTrigger = true;
236 if (key === 'page' && changed)
237 mkdru.pz2.showPage(mkdru.state.page-1);
238 if (key === 'query' && changed)
239 searchTrigger = true;
243 // request for record detail
244 if (mkdru.state.recid && (mkdru.state.recid != oldState.recid)) {
245 mkdru.pz2.record(mkdru.state.recid);
248 $('.mkdru-detail').hide();
249 $('.mkdru-results').show();
253 // return link to limit facet
254 mkdru.addLimit = function (facet, limit) {
255 var newHash = $.deparam.fragment();
256 delete newHash['page'];
257 if ((typeof(newHash['limit_' + facet]) === 'undefined')
258 || !mkdru.facets[facet].multiLimit) {
259 newHash['limit_' + facet] = limit;
262 newHash['limit_' + facet] += ';' + limit;
264 return $.param.fragment("#", newHash);
267 // return link to remove limit from facet
268 mkdru.removeLimit = function (facet, limit) {
269 var newHash = $.deparam.fragment();
270 delete newHash['page'];
271 if (!newHash['limit_' + facet].indexOf(';')
272 || !mkdru.facets[facet].multiLimit) {
273 delete newHash['limit_' + facet];
276 var limits = newHash['limit_' + facet].split(';');
277 for (var i = 0; i < limits.length; i++) {
278 if (limits[i] == limit) {
280 if (limits.length < 1)
281 delete newHash['limit_' + facet];
283 newHash['limit_' + facet] = limits.join(';');
288 return $.param.fragment("#", newHash);
293 // form submit handler
294 mkdru.submitQuery = function () {
295 // new query, back to defaults (shallow copy)
296 mkdru.state = $.extend({}, mkdru.defaultState);
297 mkdru.state.query = $('.mkdru-search input:text').attr('value');
298 mkdru.pollDropDowns();
299 mkdru.hashFromState();
305 // criteria drop-down (perpage, sort) handler
306 mkdru.submitCriteria = function () {
307 mkdru.pollDropDowns();
308 //search is not ON, do nothing
309 if (!mkdru.active) return false;
310 // pages mean different things now
311 mkdru.state.page = 1;
312 mkdru.hashFromState();
313 mkdru.pz2.show(0, mkdru.state.perpage, mkdru.state.sort);
317 mkdru.search = function () {
319 var query = mkdru.state.query;
321 // facet limit implementation
322 for (var facet in mkdru.facets) {
324 if (mkdru.state['limit_' + facet]) {
325 if (facet == "source") {
326 filter = 'pz:id=' + mkdru.state.limit_source;
329 var limits = mkdru.state['limit_' + facet].split(/;+/);
330 for (var i = 0; i < limits.length; i++) {
331 // ex. query + and au="{limit_author}"
333 query += ' and ' + mkdru.facets[facet]['limiter'] + '="'
340 mkdru.pz2.search(query, mkdru.state.perpage, mkdru.state.sort, filter);
344 mkdru.pollDropDowns = function () {
345 mkdru.state.perpage = $('.mkdru-perpage').attr('value');
346 mkdru.state.sort = $('.mkdru-sort').attr('value');
349 mkdru.generatePager = function () {
350 // cast page parameter to numeric so we can add to it
351 if (typeof mkdru.state.page == "string") {
352 mkdru.state.page = Number(mkdru.state.page);
354 var total = Math.ceil(mkdru.totalRec / mkdru.state.perpage);
355 var first = (mkdru.state.page - mkdru.pagerRange > 0)
356 ? mkdru.state.page - mkdru.pagerRange : 1;
357 var last = first + 2 * mkdru.pagerRange < total
358 ? first + 2 * mkdru.pagerRange : total;
363 if ((mkdru.state.page - 1) >= first) {
364 prev = "#" + $.param.fragment($.param.fragment(
365 window.location.href, {page: mkdru.state.page - 1}))
367 if ((mkdru.state.page + 1) <= total) {
368 next = "#" + $.param.fragment($.param.fragment(
369 window.location.href, {page: mkdru.state.page + 1}))
372 for (var i = first; i <= last; i++) {
373 pages.push("#" + $.param.fragment($.param.fragment(
374 window.location.href, {page: i})));
377 return Drupal.theme('mkdruPager', pages, first, mkdru.state.page,
383 // wait until the DOM is ready, bind events
384 // and instantiate pz2 library
385 $(document).ready(function () {
386 $(window).bind( 'hashchange', mkdru.hashChange);
387 $('.mkdru-search').bind('submit', mkdru.submitQuery);
388 $('.mkdru-search input:text').attr('value', '');
389 $('.mkdru-perpage').bind('change', mkdru.submitCriteria);
390 $('.mkdru-sort').bind('change', mkdru.submitCriteria);
392 // generate termlist for pz2.js and populate facet limit state
394 for (var key in mkdru.facets) {
395 termlist.push(mkdru.facets[key].pz2Name);
396 mkdru.defaultState['limit_' + key] = null;
399 // if signaled, prepare facet container client-side
400 if (mkdru.facetContainerSelector) {
401 $(mkdru.facetContainerSelector).html(Drupal.theme('mkdruFacetContainer',
405 mkdru.pz2 = new pz2( { "onshow": mkdru.pz2Show,
406 "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
407 "pazpar2path": mkdru.pazpar2Path,
408 "oninit": mkdru.pz2Init,
409 "onstat": mkdru.pz2Status,
410 "onterm": mkdru.pz2Term,
411 "termlist": termlist.join(','),
412 "usesessions" : mkdru.useSessions,
413 "showResponseType": mkdru.showResponseType,
414 "onrecord": mkdru.pz2Record,
415 "autoInit": false } );
416 mkdru.pz2.showFastCount = 1;
418 // initialise state to hash string or defaults
419 mkdru.stateFromHash();
420 // and update UI to match
424 if (typeof(Drupal.settings.mkdru.query) !== "undefined") {
425 mkdru.state.query = Drupal.settings.mkdru.query
426 //force the hash to contain query
427 mkdru.hashFromState();
430 //not running against SP? init, otherwise authenticate
431 if (mkdru.useSessions) {
435 var user = Drupal.settings.mkdru.sp_user;
436 var pass = Drupal.settings.mkdru.sp_pass;
438 params['command'] = 'auth';
440 params['action'] = 'login';
441 params['username'] = user;
442 params['password'] = pass;
444 params['action'] = 'ipauth';
446 var authReq = new pzHttpRequest(mkdru.pazpar2Path,
448 alert("Authentication against metasearch gateway failed: " +err);
453 var s = data.getElementsByTagName('status');
454 if (s.length && Element_getTextContent(s[0]) == "OK") {
455 mkdru.realm = data.getElementsByTagName('realm');
458 alert("Malformed response when authenticating against the metasearch"