1 // Set up namespace and some state.
3 settings: JSON.parse(Drupal.settings.mkdru.settings),
9 pazpar2Path: Drupal.settings.mkdru.pz2_path,
10 facetContainerSelector: Drupal.settings.mkdru.facetContainerSelector,
11 // State; Keys limit_{facet key} will also be initialised
22 // Convenient references
23 mkdru.facets = mkdru.settings.facets;
28 // So we can use jQuery BBQ with Drupal 6 and its 1.2.6 jQuery
29 if (!$.isArray) $.isArray = function(obj) {
30 return Object.prototype.toString.call(obj) === "[object Array]";
33 // BBQ has no handy way to remove params without changing the hash.
34 // This takes an object to add and an array of keys to delete.
35 mkdru.hashAddDelMany = function (add, del) {
36 var newHash = $.deparam.fragment();
37 if (typeof(add) === 'object')
38 $.extend(newHash, add);
40 for (var i=0; i < del.length; i++)
41 if (newHash[del[i]] !== 'undefined')
42 delete newHash[del[i]];
43 return $.param.fragment("#", newHash);
46 // It's sometimes cumbersome that object literals can't take variable keys.
47 mkdru.hashAddDelOne = function (key, value, del) {
58 return mkdru.hashAddDelMany(toAdd, toDel);
63 // pz2.js event handlers:
64 mkdru.pz2Init = function () {
65 if (mkdru.state.query) {
71 mkdru.pz2Show = function (data) {
72 mkdru.totalRec = data.merged;
73 $('.mkdru-pager').html(mkdru.generatePager());
74 $('.mkdru-counts').html(Drupal.theme('mkdruCounts', data.start + 1,
75 data.num, data.merged, data.total));
77 for (var i = 0; i < data.hits.length; i++) {
78 html += Drupal.theme('mkdruResult', data.hits[i],
79 i + 1 + mkdru.state.perpage * (mkdru.state.page - 1),
80 "#" + $.param.fragment($.param.fragment(
81 window.location.href, {recid: data.hits[i].recid})) + "\n"
84 $('.mkdru-result-list').html(html);
85 if (mkdru.state.recid) {
86 mkdru.pz2.record(mkdru.state.recid);
89 $('.mkdru-results').show();
93 mkdru.pz2Status = function (data) {
94 $('.mkdru-status').html(Drupal.theme('mkdruStatus', data.activeclients, data.clients));
97 mkdru.contains = function (hash, key, value) {
99 if (hash[key].length) {
100 for (var i=0; i<hash[key].length; i++) {
101 if (hash[key][i] === value) {
106 return hash[key] === value;
112 mkdru.pz2Term = function (data) {
113 // map all facets against selected, for simple rendering
114 var hash = $.deparam.fragment();
115 for (var key in hash) {
116 if (key.indexOf('limit') == 0 && hash[key])
117 //always wrap in array
118 hash[key.substr(6)] = hash[key].split(/;+/);
121 for (var facet in mkdru.facets) {
122 var terms = data[mkdru.facets[facet].pz2Name];
123 for (var i=0; i<terms.length; i++) {
125 var value = facet == "source" ? term.id : term.name;
126 if (mkdru.contains(hash, facet, value)) { //enabled
127 term.toggleLink = mkdru.removeLimit(facet, value);
128 term.selected = true;
130 term.toggleLink = mkdru.addLimit(facet, value);
131 term.selected = false;
134 $('.mkdru-facet-' + facet).html(
135 Drupal.theme('mkdruFacet', terms, facet, mkdru.facets[facet].max,
140 mkdru.pz2ByTarget = function (data) {
144 mkdru.pz2Record = function (data) {
145 clearTimeout(mkdru.pz2.showTimer);
146 $('.mkdru-results').hide();
147 $('.mkdru-detail').html(Drupal.theme('mkdruDetail', data,
148 mkdru.hashAddDelOne(null, null, 'recid')));
149 $('.mkdru-detail').show();
150 clearTimeout(mkdru.pz2.recordTimer);
155 // State and URL handling
157 // populate state from an object and fill in the blanks with defaults
158 mkdru.stateFromObject = function (obj) {
159 mkdru.state = $.extend({}, mkdru.defaultState);
160 for (var key in mkdru.defaultState)
161 if (typeof(obj[key]) != "undefined")
162 mkdru.state[key] = obj[key];
165 // populate state from current window's hash string
166 mkdru.stateFromHash = function () {
167 mkdru.stateFromObject($.deparam.fragment());
170 // set current window's hash string from state
171 mkdru.hashFromState = function () {
172 // only include non-default settings in the URL
173 var alteredState = {};
174 for (var key in mkdru.defaultState) {
175 if (mkdru.state[key] != mkdru.defaultState[key]) {
176 alteredState[key] = mkdru.state[key];
179 $.bbq.pushState(alteredState, 2);
182 // update mkdru_form theme's ui to match state
183 mkdru.uiFromState = function () {
184 for (var key in mkdru.state) {
187 $('.mkdru-search input:text').attr('value', mkdru.state[key]);
190 $('.mkdru-perpage').attr('value', mkdru.state[key]);
193 $('.mkdru-sort').attr('value', mkdru.state[key]);
199 mkdru.hashChange = function () {
200 // do we need to restart the search?
201 var searchTrigger = false;
202 // shallow copy of state so we can see what changed.
203 var oldState = $.extend({}, mkdru.state);
204 mkdru.stateFromHash();
205 // only have to compare values since all keys are initialised
206 for (key in mkdru.state) {
207 var changed = (mkdru.state[key] != oldState[key]);
208 if (key.substring(0,5) === 'limit' && changed)
209 searchTrigger = true;
210 if (key === 'page' && changed)
211 mkdru.pz2.showPage(mkdru.state.page-1);
212 if (key === 'query' && changed)
213 searchTrigger = true;
217 // request for record detail
218 if (mkdru.state.recid && (mkdru.state.recid != oldState.recid)) {
219 mkdru.pz2.record(mkdru.state.recid);
222 $('.mkdru-detail').hide();
223 $('.mkdru-results').show();
227 // return link to limit facet
228 mkdru.addLimit = function (facet, limit) {
229 var newHash = $.deparam.fragment();
230 delete newHash['page'];
231 if ((typeof(newHash['limit_' + facet]) === 'undefined')
232 || !mkdru.facets[facet].multiLimit) {
233 newHash['limit_' + facet] = limit;
236 newHash['limit_' + facet] += ';' + limit;
238 return $.param.fragment("#", newHash);
241 // return link to remove limit from facet
242 mkdru.removeLimit = function (facet, limit) {
243 var newHash = $.deparam.fragment();
244 delete newHash['page'];
245 if (!newHash['limit_' + facet].indexOf(';')
246 || !mkdru.facets[facet].multiLimit) {
247 delete newHash['limit_' + facet];
250 var limits = newHash['limit_' + facet].split(';');
251 for (var i = 0; i < limits.length; i++) {
252 if (limits[i] == limit) {
254 if (limits.length < 1)
255 delete newHash['limit_' + facet];
257 newHash['limit_' + facet] = limits.join(';');
262 return $.param.fragment("#", newHash);
267 // form submit handler
268 mkdru.submitQuery = function () {
269 // new query, back to defaults (shallow copy)
270 mkdru.state = $.extend({}, mkdru.defaultState);
271 mkdru.state.query = $('.mkdru-search input:text').attr('value');
272 mkdru.pollDropDowns();
273 mkdru.hashFromState();
279 // criteria drop-down (perpage, sort) handler
280 mkdru.submitCriteria = function () {
281 mkdru.pollDropDowns();
282 //search is not ON, do nothing
283 if (!mkdru.active) return false;
284 // pages mean different things now
285 mkdru.state.page = 1;
286 mkdru.hashFromState();
287 mkdru.pz2.show(0, mkdru.state.perpage, mkdru.state.sort);
291 mkdru.search = function () {
293 var query = mkdru.state.query;
295 // facet limit implementation
296 for (var facet in mkdru.facets) {
298 if (mkdru.state['limit_' + facet]) {
299 if (facet == "source") {
300 filter = 'pz:id=' + mkdru.state.limit_source;
303 var limits = mkdru.state['limit_' + facet].split(/;+/);
304 for (var i = 0; i < limits.length; i++) {
305 // ex. query + and au="{limit_author}"
307 query += ' and ' + mkdru.facets[facet]['limiter'] + '="'
314 mkdru.pz2.search(query, mkdru.state.perpage, mkdru.state.sort, filter);
318 mkdru.pollDropDowns = function () {
319 mkdru.state.perpage = $('.mkdru-perpage').attr('value');
320 mkdru.state.sort = $('.mkdru-sort').attr('value');
323 mkdru.generatePager = function () {
324 // cast page parameter to numeric so we can add to it
325 if (typeof mkdru.state.page == "string") {
326 mkdru.state.page = Number(mkdru.state.page);
328 var total = Math.ceil(mkdru.totalRec / mkdru.state.perpage);
329 var first = (mkdru.state.page - mkdru.pagerRange > 0)
330 ? mkdru.state.page - mkdru.pagerRange : 1;
331 var last = first + 2 * mkdru.pagerRange < total
332 ? first + 2 * mkdru.pagerRange : total;
337 if ((mkdru.state.page - 1) >= first) {
338 prev = "#" + $.param.fragment($.param.fragment(
339 window.location.href, {page: mkdru.state.page - 1}))
341 if ((mkdru.state.page + 1) <= total) {
342 next = "#" + $.param.fragment($.param.fragment(
343 window.location.href, {page: mkdru.state.page + 1}))
346 for (var i = first; i <= last; i++) {
347 pages.push("#" + $.param.fragment($.param.fragment(
348 window.location.href, {page: i})));
351 return Drupal.theme('mkdruPager', pages, first, mkdru.state.page,
357 // wait until the DOM is ready, bind events
358 // and instantiate pz2 library
359 $(document).ready(function () {
360 $(window).bind( 'hashchange', mkdru.hashChange);
361 $('.mkdru-search').bind('submit', mkdru.submitQuery);
362 $('.mkdru-search input:text').attr('value', '');
363 $('.mkdru-perpage').bind('change', mkdru.submitCriteria);
364 $('.mkdru-sort').bind('change', mkdru.submitCriteria);
366 // generate termlist for pz2.js and populate facet limit state
368 for (var key in mkdru.facets) {
369 termlist.push(mkdru.facets[key].pz2Name);
370 mkdru.defaultState['limit_' + key] = null;
373 // if signaled, prepare facet container client-side
374 if (mkdru.facetContainerSelector) {
375 $(mkdru.facetContainerSelector).html(Drupal.theme('mkdruFacetContainer',
379 mkdru.pz2 = new pz2( { "onshow": mkdru.pz2Show,
380 "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
381 "pazpar2path": mkdru.pazpar2Path,
382 "oninit": mkdru.pz2Init,
383 "onstat": mkdru.pz2Status,
384 "onterm": mkdru.pz2Term,
385 "termlist": termlist.join(','),
386 "usesessions" : mkdru.settings.useSessions,
387 "showResponseType": mkdru.showResponseType,
388 "onrecord": mkdru.pz2Record,
389 "autoInit": false } );
390 mkdru.pz2.showFastCount = 1;
392 // initialise state to hash string or defaults
393 mkdru.stateFromHash();
394 // and update UI to match
398 if (typeof(Drupal.settings.mkdru.query) !== "undefined") {
399 mkdru.state.query = Drupal.settings.mkdru.query
400 //force the hash to contain query
401 mkdru.hashFromState();
404 //not running against SP? init, otherwise authenticate
405 if (mkdru.settings.use_sessions) {
409 var user = Drupal.settings.mkdru.sp_user;
410 var pass = Drupal.settings.mkdru.sp_pass;
412 params['command'] = 'auth';
414 params['action'] = 'login';
415 params['username'] = user;
416 params['password'] = pass;
418 params['action'] = 'ipauth';
420 var authReq = new pzHttpRequest(mkdru.pazpar2Path,
422 alert("Authentication against metasearch gateway failed: " +err);
427 var s = data.getElementsByTagName('status');
428 if (s.length && Element_getTextContent(s[0]) == "OK") {
429 mkdru.realm = data.getElementsByTagName('realm');
432 alert("Malformed response when authenticating against the metasearch"