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: '#mkdru-raw-facet-container',
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.pz2Record = function (data) {
167 clearTimeout(mkdru.pz2.showTimer);
168 $('.mkdru-results').hide();
169 $('.mkdru-detail').html(Drupal.theme('mkdruDetail', data,
170 mkdru.hashAddDelOne(null, null, 'recid')));
171 $('.mkdru-detail').show();
172 clearTimeout(mkdru.pz2.recordTimer);
177 // State and URL handling
179 // populate state from an object and fill in the blanks with defaults
180 mkdru.stateFromObject = function (obj) {
181 mkdru.state = $.extend({}, mkdru.defaultState);
182 for (var key in mkdru.defaultState)
183 if (typeof(obj[key]) != "undefined")
184 mkdru.state[key] = obj[key];
187 // populate state from current window's hash string
188 mkdru.stateFromHash = function () {
189 mkdru.stateFromObject($.deparam.fragment());
192 // set current window's hash string from state
193 mkdru.hashFromState = function () {
194 // only include non-default settings in the URL
195 var alteredState = {};
196 for (var key in mkdru.defaultState) {
197 if (mkdru.state[key] != mkdru.defaultState[key]) {
198 alteredState[key] = mkdru.state[key];
201 $.bbq.pushState(alteredState, 2);
204 // update mkdru_form theme's ui to match state
205 mkdru.uiFromState = function () {
206 for (var key in mkdru.state) {
209 $('.mkdru-search input:text').attr('value', mkdru.state[key]);
212 $('.mkdru-perpage').attr('value', mkdru.state[key]);
215 $('.mkdru-sort').attr('value', mkdru.state[key]);
221 mkdru.hashChange = function () {
222 // TING hack, switching tabs resets the hash but does not re-load the page
223 // simply ignore new hash and set it to the old state
224 var hash = $.param.fragment();
225 if (hash.indexOf("-result") != -1 || hash.indexOf("facets=") != -1) {
226 mkdru.hashFromState();
229 // do we need to restart the search?
230 var searchTrigger = false;
231 // shallow copy of state so we can see what changed.
232 var oldState = $.extend({}, mkdru.state);
233 mkdru.stateFromHash();
234 // only have to compare values since all keys are initialised
235 for (key in mkdru.state) {
236 var changed = (mkdru.state[key] != oldState[key]);
237 if (key.substring(0,5) === 'limit' && changed)
238 searchTrigger = true;
239 if (key === 'page' && changed)
240 mkdru.pz2.showPage(mkdru.state.page-1);
241 if (key === 'query' && changed)
242 searchTrigger = true;
246 // request for record detail
247 if (mkdru.state.recid && (mkdru.state.recid != oldState.recid)) {
248 mkdru.pz2.record(mkdru.state.recid);
251 $('.mkdru-detail').hide();
252 $('.mkdru-results').show();
256 // return link to limit facet
257 mkdru.addLimit = function (facet, limit) {
258 var newHash = $.deparam.fragment();
259 delete newHash['page'];
260 if ((typeof(newHash['limit_' + facet]) === 'undefined')
261 || !mkdru.facets[facet].multiLimit) {
262 newHash['limit_' + facet] = limit;
265 newHash['limit_' + facet] += ';' + limit;
267 return $.param.fragment("#", newHash);
270 // return link to remove limit from facet
271 mkdru.removeLimit = function (facet, limit) {
272 var newHash = $.deparam.fragment();
273 delete newHash['page'];
274 if (!newHash['limit_' + facet].indexOf(';')
275 || !mkdru.facets[facet].multiLimit) {
276 delete newHash['limit_' + facet];
279 var limits = newHash['limit_' + facet].split(';');
280 for (var i = 0; i < limits.length; i++) {
281 if (limits[i] == limit) {
283 if (limits.length < 1)
284 delete newHash['limit_' + facet];
286 newHash['limit_' + facet] = limits.join(';');
291 return $.param.fragment("#", newHash);
296 // form submit handler
297 mkdru.submitQuery = function () {
298 // new query, back to defaults (shallow copy)
299 mkdru.state = $.extend({}, mkdru.defaultState);
300 mkdru.state.query = $('.mkdru-search input:text').attr('value');
301 mkdru.pollDropDowns();
302 mkdru.hashFromState();
308 // criteria drop-down (perpage, sort) handler
309 mkdru.submitCriteria = function () {
310 mkdru.pollDropDowns();
311 //search is not ON, do nothing
312 if (!mkdru.active) return false;
313 // pages mean different things now
314 mkdru.state.page = 1;
315 mkdru.hashFromState();
316 mkdru.pz2.show(0, mkdru.state.perpage, mkdru.state.sort);
320 mkdru.search = function () {
322 var query = mkdru.state.query;
324 // facet limit implementation
325 for (var facet in mkdru.facets) {
327 if (mkdru.state['limit_' + facet]) {
328 if (facet == "source") {
329 filter = 'pz:id=' + mkdru.state.limit_source;
332 var limits = mkdru.state['limit_' + facet].split(/;+/);
333 for (var i = 0; i < limits.length; i++) {
334 // ex. query + and au="{limit_author}"
336 query += ' and ' + mkdru.facets[facet]['limiter'] + '="'
343 mkdru.pz2.search(query, mkdru.state.perpage, mkdru.state.sort, filter);
347 mkdru.pollDropDowns = function () {
348 mkdru.state.perpage = $('.mkdru-perpage').attr('value');
349 mkdru.state.sort = $('.mkdru-sort').attr('value');
352 mkdru.generatePager = function () {
353 // cast page parameter to numeric so we can add to it
354 if (typeof mkdru.state.page == "string") {
355 mkdru.state.page = Number(mkdru.state.page);
357 var total = Math.ceil(mkdru.totalRec / mkdru.state.perpage);
358 var first = (mkdru.state.page - mkdru.pagerRange > 0)
359 ? mkdru.state.page - mkdru.pagerRange : 1;
360 var last = first + 2 * mkdru.pagerRange < total
361 ? first + 2 * mkdru.pagerRange : total;
366 if ((mkdru.state.page - 1) >= first) {
367 prev = "#" + $.param.fragment($.param.fragment(
368 window.location.href, {page: mkdru.state.page - 1}))
370 if ((mkdru.state.page + 1) <= total) {
371 next = "#" + $.param.fragment($.param.fragment(
372 window.location.href, {page: mkdru.state.page + 1}))
375 for (var i = first; i <= last; i++) {
376 pages.push("#" + $.param.fragment($.param.fragment(
377 window.location.href, {page: i})));
380 return Drupal.theme('mkdruPager', pages, first, mkdru.state.page,
386 // wait until the DOM is ready, bind events
387 // and instantiate pz2 library
388 $(document).ready(function () {
389 $(window).bind( 'hashchange', mkdru.hashChange);
390 $('.mkdru-search').bind('submit', mkdru.submitQuery);
391 $('.mkdru-search input:text').attr('value', '');
392 $('.mkdru-perpage').bind('change', mkdru.submitCriteria);
393 $('.mkdru-sort').bind('change', mkdru.submitCriteria);
395 // generate termlist for pz2.js and populate facet limit state
397 for (var key in mkdru.facets) {
398 termlist.push(mkdru.facets[key].pz2Name);
399 mkdru.defaultState['limit_' + key] = null;
402 // if signaled, prepare facet container client-side
403 if (mkdru.facetContainerSelector) {
404 $(mkdru.facetContainerSelector).html(Drupal.theme('mkdruFacetContainer',
408 mkdru.pz2 = new pz2( { "onshow": mkdru.pz2Show,
409 "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
410 "pazpar2path": mkdru.pazpar2Path,
411 "oninit": mkdru.pz2Init,
412 "onstat": mkdru.pz2Status,
413 "onterm": mkdru.pz2Term,
414 "termlist": termlist.join(','),
415 "usesessions" : mkdru.useSessions,
416 "showResponseType": mkdru.showResponseType,
417 "onrecord": mkdru.pz2Record,
418 "autoInit": false } );
419 mkdru.pz2.showFastCount = 1;
421 // initialise state to hash string or defaults
422 mkdru.stateFromHash();
423 // and update UI to match
427 if (typeof(Drupal.settings.mkdru.query) !== "undefined") {
428 mkdru.state.query = Drupal.settings.mkdru.query
429 //force the hash to contain query
430 mkdru.hashFromState();
433 //not running against SP? init, otherwise authenticate
434 if (mkdru.useSessions) {
438 var user = Drupal.settings.mkdru.sp_user;
439 var pass = Drupal.settings.mkdru.sp_pass;
441 params['command'] = 'auth';
443 params['action'] = 'login';
444 params['username'] = user;
445 params['password'] = pass;
447 params['action'] = 'ipauth';
449 var authReq = new pzHttpRequest(mkdru.pazpar2Path,
451 alert("Authentication against metasearch gateway failed: " +err);
456 var s = data.getElementsByTagName('status');
457 if (s.length && Element_getTextContent(s[0]) == "OK") {
458 mkdru.realm = data.getElementsByTagName('realm');
461 alert("Malformed response when authenticating against the metasearch"