1 // Set up namespace and some state.
3 // Settings to pass to pz2.js
4 useSessions: Drupal.settings.mkdru.use_sessions === '1',
5 // showResponseType: 'json',
11 pazpar2Path: Drupal.settings.mkdru.pz2_path,
16 max: Drupal.settings.mkdru.source_max
20 max: Drupal.settings.mkdru.subject_max
24 max: Drupal.settings.mkdru.author_max
41 // So we can use jQuery BBQ with Drupal 6 and its 1.2.6 jQuery
42 if (!$.isArray) $.isArray = function(obj) {
43 return Object.prototype.toString.call(obj) === "[object Array]";
46 // BBQ has no handy way to remove params without changing the hash.
47 // This takes an object to add and an array of keys to delete.
48 mkdru.hashAddDelMany = function (add, del) {
49 var newHash = $.deparam.fragment();
50 if (typeof(add) === 'object')
51 $.extend(newHash, add);
53 for (var i=0; i < del.length; i++)
54 if (newHash[del[i]] !== 'undefined')
55 delete newHash[del[i]];
56 return $.param.fragment("#", newHash);
59 // It's sometimes cumbersome that object literals can't take variable keys.
60 mkdru.hashAddDelOne = function (key, value, del) {
71 return mkdru.hashAddDelMany(toAdd, toDel);
76 // pz2.js event handlers:
77 mkdru.pz2Init = function () {
78 if (mkdru.state.query) {
82 //mkdru.pz2.bytarget();
85 mkdru.pz2Show = function (data) {
86 mkdru.totalRec = data.merged;
87 $('.mkdru-pager').html(mkdru.generatePager());
88 $('.mkdru-counts').html(Drupal.theme('mkdruCounts', data.start + 1,
89 data.num, data.merged, data.total));
91 for (var i = 0; i < data.hits.length; i++) {
92 html += Drupal.theme('mkdruResult', data.hits[i],
93 i + 1 + mkdru.state.perpage * (mkdru.state.page - 1),
94 "#" + $.param.fragment($.param.fragment(
95 window.location.href, {recid: data.hits[i].recid})) + "\n"
98 $('.mkdru-result-list').html(html);
99 if (mkdru.state.recid) {
100 mkdru.pz2.record(mkdru.state.recid);
103 $('.mkdru-results').show();
107 mkdru.pz2Status = function (data) {
108 $('.mkdru-status').html(Drupal.theme('mkdruStatus', data.activeclients, data.clients));
111 mkdru.pz2Term = function (data) {
112 for (var facet in mkdru.facets) {
114 if (mkdru.state['limit_' + facet]) {
115 $('.mkdru-facet-' + facet).html(Drupal.theme('mkdruFacetLimit',
116 data[mkdru.facets[facet].pz2Name][0],
117 mkdru.hashAddDelOne(null, null, 'limit_' + facet)));
119 $('.mkdru-facet-' + facet).html(Drupal.theme('mkdruFacet',
120 data[mkdru.facets[facet].pz2Name],
121 facet, mkdru.facets[facet].max));
126 mkdru.pz2ByTarget = function (data) {
130 mkdru.pz2Record = function (data) {
131 clearTimeout(mkdru.pz2.showTimer);
132 $('.mkdru-results').hide();
133 $('.mkdru-detail').html(Drupal.theme('mkdruDetail', data,
134 mkdru.hashAddDelOne(null, null, 'recid')));
135 $('.mkdru-detail').show();
136 clearTimeout(mkdru.pz2.recordTimer);
141 // State and URL handling
143 // populate state from an object and fill in the blanks with defaults
144 mkdru.stateFromObject = function (obj) {
145 mkdru.state = $.extend({}, mkdru.defaultState);
146 for (var key in mkdru.defaultState)
147 if (typeof(obj[key]) != "undefined")
148 mkdru.state[key] = obj[key];
151 // populate state from current window's hash string
152 mkdru.stateFromHash = function () {
153 mkdru.stateFromObject($.deparam.fragment());
156 // set current window's hash string from state
157 mkdru.hashFromState = function () {
158 // only include non-default settings in the URL
159 var alteredState = {};
160 for (var key in mkdru.defaultState) {
161 if (mkdru.state[key] != mkdru.defaultState[key]) {
162 alteredState[key] = mkdru.state[key];
165 $.bbq.pushState(alteredState, 2);
168 // update mkdru_form theme's ui to match state
169 mkdru.uiFromState = function () {
170 for (var key in mkdru.state) {
173 $('.mkdru-search input:text').attr('value', mkdru.state[key]);
176 $('.mkdru-perpage').attr('value', mkdru.state[key]);
179 $('.mkdru-sort').attr('value', mkdru.state[key]);
185 mkdru.hashChange = function () {
186 mkdru.stateFromHash();
187 // Request for details
188 if (mkdru.state.recid) {
189 mkdru.pz2.record(mkdru.state.recid);
191 // Other internal link
193 // may need to run search again to limit targets
194 for (key in mkdru.state) {
195 if (key.substring(0,5) === 'limit') {
200 mkdru.pz2.showPage(mkdru.state.page-1);
201 $('.mkdru-detail').hide();
202 $('.mkdru-results').show();
208 //form submit handler
209 mkdru.submitQuery = function () {
210 // new query, back to defaults (shallow copy)
211 mkdru.state = $.extend({}, mkdru.defaultState);
212 mkdru.state.query = $('.mkdru-search input:text').attr('value');
213 mkdru.pollDropDowns();
214 mkdru.hashFromState();
220 //criteria drop-down (perpage, sort) handler
221 mkdru.submitCriteria = function () {
222 mkdru.pollDropDowns();
223 //search is not ON, do nothing
224 if (!mkdru.active) return false;
225 // pages mean different things now
226 mkdru.state.page = 1;
227 mkdru.hashFromState();
228 mkdru.pz2.show(0, mkdru.state.perpage, mkdru.state.sort);
232 mkdru.search = function () {
234 var query = mkdru.state.query;
236 // facet limit implementation
237 if (mkdru.state.limit_source) {
238 filter = 'pz:id=' + mkdru.state.limit_source;
240 if (mkdru.state.limit_subject) {
241 query += ' and su="' + mkdru.state.limit_subject + '"';
243 if (mkdru.state.limit_author) {
244 query += ' and au="' + mkdru.state.limit_author + '"';
246 mkdru.pz2.search(query, mkdru.state.perpage, mkdru.state.sort, filter);
247 //inform others that the search is ON
251 mkdru.pollDropDowns = function () {
252 mkdru.state.perpage = $('.mkdru-perpage').attr('value');
253 mkdru.state.sort = $('.mkdru-sort').attr('value');
256 mkdru.generatePager = function () {
257 // make sure page param is a number, otherwise pageing frwd will be broken
258 if (typeof mkdru.state.page == "string") {
259 mkdru.state.page = Number(mkdru.state.page);
261 var total = Math.ceil(mkdru.totalRec / mkdru.state.perpage);
262 var first = (mkdru.state.page - mkdru.pagerRange > 0)
263 ? mkdru.state.page - mkdru.pagerRange : 1;
264 var last = first + 2 * mkdru.pagerRange < total
265 ? first + 2 * mkdru.pagerRange : total;
270 if ((mkdru.state.page - 1) >= first) {
271 prev = "#" + $.param.fragment($.param.fragment(
272 window.location.href, {page: mkdru.state.page - 1}))
274 if ((mkdru.state.page + 1) <= total) {
275 next = "#" + $.param.fragment($.param.fragment(
276 window.location.href, {page: mkdru.state.page + 1}))
279 for (var i = first; i <= last; i++) {
280 pages.push("#" + $.param.fragment($.param.fragment(
281 window.location.href, {page: i})));
284 return Drupal.theme('mkdruPager', pages, first, mkdru.state.page,
290 // wait until the DOM is ready, bind events
291 // and instantiate pz2 library
292 $(document).ready(function () {
293 $(window).bind( 'hashchange', mkdru.hashChange);
294 $('.mkdru-search').bind('submit', mkdru.submitQuery);
295 $('.mkdru-search input:text').attr('value', '');
296 $('.mkdru-perpage').bind('change', mkdru.submitCriteria);
297 $('.mkdru-sort').bind('change', mkdru.submitCriteria);
299 // generate termlist for pz2.js and populate facet limit state
301 for (var key in mkdru.facets) {
302 termlist.push(mkdru.facets[key].pz2Name);
303 mkdru.defaultState['limit_' + key] = null;
306 mkdru.pz2 = new pz2( { "onshow": mkdru.pz2Show,
307 "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
308 "pazpar2path": mkdru.pazpar2path,
309 "oninit": mkdru.pz2Init,
310 "onstat": mkdru.pz2Status,
311 "onterm": mkdru.pz2Term,
312 "termlist": termlist.join(','),
313 "onbytarget": mkdru.pz2ByTarget,
314 "usesessions" : mkdru.useSessions,
315 "showResponseType": mkdru.showResponseType,
316 "onrecord": mkdru.pz2Record,
317 "autoInit": false } );
319 // initialise state to hash string or defaults
320 mkdru.stateFromHash();
321 // and update UI to match
325 if (typeof(Drupal.settings.mkdru.query) !== "undefined") {
326 mkdru.state.query = Drupal.settings.mkdru.query
329 if (mkdru.useSessions) {
332 else if (mkdru.state.recid) {
333 mkdru.pz2.record(mkdru.state.recid);
335 else if (mkdru.state.query) {