2 ** $Id: client.js,v 1.11 2007-04-03 14:27:21 jakub Exp $
3 ** MasterKey - pazpar2's javascript client .
6 /* start with creating pz2 object and passing it event handlers*/
7 var my_paz = new pz2( { "onshow": my_onshow,
11 "termlist": "xtargets,subject,author,date",
12 //"onbytarget": my_onbytarget,
13 "onrecord": my_onrecord } );
15 /* some state variable */
16 var currentSort = 'relevance';
17 var currentResultsPerPage = 20;
19 var curQuery = new pzQuery();
21 var currentDetailedId = null;
22 var currentDetailedData = null;
24 var termStartup = true;
25 var advancedOn = false;
27 /* wait until the DOM is ready and register basic handlers */
28 $(document).ready( function() {
29 document.search.onsubmit = onFormSubmitEventHandler;
31 document.search.query.value = '';
32 document.search.title.value = '';
33 document.search.author.value = '';
34 document.search.subject.value = '';
35 document.search.date.value = '';
37 $('#advanced').click(toggleAdvanced);
39 $('#sort').change(function(){
40 currentSort = this.value;
42 my_paz.show(0, currentResultsPerPage, currentSort);
45 $('#perpage').change(function(){
46 currentResultsPerPage = this.value;
48 my_paz.show(0, currentResultsPerPage, currentSort);
52 /* search button event handler */
53 function onFormSubmitEventHandler() {
55 curQuery.clearFilter();
58 $('div.content').show();
59 $("div.leftbar").show();
64 *********************************************************************************
65 ** pz2 Event Handlers ***********************************************************
66 *********************************************************************************
70 ** data.hits["md-title"], data.hits["md-author"], data.hits.recid, data.hits.count
71 ** data.activeclients, data.merged, data.total, data.start, data.num
73 function my_onshow(data)
75 var recsBody = $('div.records');
78 for (var i = 0; i < data.hits.length; i++) {
79 var title = data.hits[i]["md-title"] || 'N/A';
80 var author = data.hits[i]["md-author"] || '';
81 var id = data.hits[i].recid;
82 var count = data.hits[i].count || 1;
84 var recBody = $('<div class="record" id="rec_'+id+'"></div>');
85 var aTitle = $('<a class="recTitle">'+title+'</a>').appendTo(recBody);
86 aTitle.click(function(){
87 var clickedId = this.parentNode.id.split('_')[1];
88 if(currentDetailedId == clickedId){
89 $(this.parentNode.lastChild).remove();
90 currentDetailedId = null;
92 } else if (currentDetailedId != null) {
93 $('#rec_'+currentDetailedId).children('.detail').remove();
95 currentDetailedId = clickedId;
96 my_paz.record(currentDetailedId);
100 recBody.append('<i> by </i>');
101 $('<a name="author" class="recAuthor">'+author+'</a>\n').click(function(){
102 refine(this.name, this.firstChild.nodeValue) }).appendTo(recBody);
105 if( currentDetailedId == id ) {
106 var detailBox = $('<div class="detail"></div>').appendTo(recBody);
107 drawDetailedRec(detailBox);
111 recBody.append('<span> ('+count+')</span>');
114 recsBody.append('<div class="resultNum">'+(currentPage*currentResultsPerPage+i+1)+'.</a>');
115 recsBody.append(recBody);
117 drawPager(data.merged, data.total);
121 ** data.activeclients, data.hits, data.records, data.clients, data.searching
123 function my_onstat(data){}
126 ** data[listname]: name, freq, [id]
128 function my_onterm(data)
132 var termLists = $("#termlists");
134 for(var key in data){
135 if (key == "activeclients")
138 var listClass = "unselected";
140 if (key == "xtargets"){
141 listName = "resource";
142 listClass = "selected";
145 var termList = $('<div class="termlist" id="term_'+key+'"/>').appendTo(termLists);
146 var termTitle = $('<div class="termTitle"><a class="'+listClass+'">'+listName+'</a></div>').appendTo(termList);
147 termTitle.click(function(){
148 if( this.firstChild.className == "selected" ){
149 this.firstChild.className = "unselected";
150 $(this.nextSibling).hide();
152 this.firstChild.className = "selected";
153 $(this.nextSibling).show();
157 listEntries = $('<div class="termEntries"></div>');
158 if (key != "xtargets") listEntries.hide();
159 listEntries.appendTo(termList);
161 for(var i = 0; i < data[key].length; i++)
163 if (key == "xtargets"){
164 var listItem = $('<a class="sub" name="xtarget" value="'+data[key][i].id+'">'+data[key][i].name
165 /*+'<span> ('+data[key][i].freq+')</span>'*/+'</a>');
166 listItem.click(function(){
167 refine(this.name, this.attributes[0].nodeValue, this.firstChild.nodeValue) });
168 listItem.appendTo(listEntries);
170 var listItem = $('<a class="sub" name="'+key+'">'+data[key][i].name
171 /*+'<span> ('+data[key][i].freq+')</span>'*/+'</a>');
172 listItem.click(function(){ refine(this.name, this.firstChild.nodeValue) });
173 listItem.appendTo(listEntries);
176 $('<hr/>').appendTo(termLists);
182 for(var key in data){
183 if (key == "activeclients")
185 var listEntries = $('#term_'+key).children('.termEntries');
186 if( data[key].length ) listEntries.empty();
188 for(var i = 0; i < data[key].length; i++){
189 if (key == "xtargets"){
190 var listItem = $('<a class="sub" name="xtarget" value="'+data[key][i].id+'">'+data[key][i].name
191 /*+'<span> ('+data[key][i].freq+')</span>'*/+'</a>').click(function(){
192 refine(this.name, this.attributes[0].nodeValue, this.firstChild.nodeValue) });
193 listItem.appendTo(listEntries);
195 var listItem = $('<a class="sub" name="'+key+'">'+data[key][i].name
196 /*+'<span> ('+data[key][i].freq+')</span>'*/+'</a>').click(function(){
197 refine(this.name, this.firstChild.nodeValue) });
198 listItem.appendTo(listEntries);
206 ** data["md-title"], data["md-date"], data["md-author"], data["md-subject"], data["location"][0].name
208 function my_onrecord(data)
210 currentDetailedData = data;
215 ** data[i].id, data[i].hits, data[i].diagnostic, data[i].records, data[i].state
217 function my_onbytarget(data){}
220 *********************************************************************************
221 ** HELPER FUNCTIONS *************************************************************
222 *********************************************************************************
224 function fireSearch()
226 $('div.showing').empty().text('No records to show.');
227 $('div.pages').empty().html(' ');
228 $('div.records').empty();
229 currentDetailedId = null;
230 if( !curQuery.totalLength() )
232 my_paz.search(curQuery.toCCL(), currentResultsPerPage, currentSort, curQuery.getFilterString() );
235 function toggleAdvanced()
238 $("div.advanced").hide();
239 $("div.search").height(73);
241 $("#advanced").text("Advanced search");
243 $("div.search").height(173);
244 $("div.advanced").show();
246 $("#advanced").text("Simple search");
247 loadFormFieldsFromQuery();
251 function drawDetailedRec(detailBox)
253 if( detailBox == undefined )
254 detailBox = $('<div class="detail"></div>').appendTo($('#rec_'+currentDetailedId));
256 detailBox.append('Details:<hr/>');
257 var detailTable = $('<table></table>');
258 var recDate = currentDetailedData["md-date"];
259 var recSubject = currentDetailedData["md-subject"];
260 var recLocation = currentDetailedData["location"];
263 detailTable.append('<tr><td class="item">Published:</td><td>'+recDate+'</td></tr>');
265 detailTable.append('<tr><td class="item">Subject:</td><td>'+recSubject+'</td></tr>');
267 detailTable.append('<tr><td class="item">Available at:</td><td> </td></tr>');
269 for(var i=0; i < recLocation.length; i++)
271 detailTable.append('<tr><td class="item"> </td><td>'+recLocation[i].name+'</td></tr>');
274 detailTable.appendTo(detailBox);
277 function refine(field, value, opt)
280 case "author": curQuery.addTerm('au', value); break;
281 case "title": curQuery.addTerm('ti', value); break;
282 case "date": curQuery.addTerm('date', value); break;
283 case "subject": curQuery.addTerm('su', value); break;
284 case "xtarget": curQuery.setFilter(opt, value); break;
288 loadFormFieldsFromQuery();
295 function loadQueryFromForm()
298 curQuery.simpleQuery = document.search.query.value;
302 curQuery.addTermsFromList(document.search.author.value, 'au');
303 curQuery.addTermsFromList(document.search.title.value, 'ti');
304 curQuery.addTermsFromList(document.search.date.value, 'date');
305 curQuery.addTermsFromList(document.search.subject.value, 'su');
309 function loadFormFieldsFromQuery()
311 document.search.author.value = '';
312 document.search.title.value = '';
313 document.search.date.value = '';
314 document.search.subject.value = '';
316 for(var i = 0; i < curQuery.numTerms; i++)
318 switch( curQuery.getTermFieldByIdx(i) )
320 case "au": document.search.author.value += curQuery.getTermValueByIdx(i) + '; '; break;
321 case "ti": document.search.title.value += curQuery.getTermValueByIdx(i) + '; '; break;
322 case "date": document.search.date.value += curQuery.getTermValueByIdx(i) + '; '; break;
323 case "su": document.search.subject.value += curQuery.getTermValueByIdx(i) + '; '; break;
328 function drawPager(max, hits)
330 var firstOnPage = currentPage * currentResultsPerPage + 1;
331 var lastOnPage = (firstOnPage + currentResultsPerPage - 1) < max ? (firstOnPage + currentResultsPerPage - 1) : max;
333 var results = $('div.showing');
335 results.append('Displaying: <b>'+firstOnPage+'</b> to <b>'+lastOnPage+
336 '</b> of <b>'+max+'</b> (total hits: '+hits+')');
337 var pager = $('div.pages');
340 if ( currentPage > 0 ){
341 $('<a class="previous_active">Previous</a>').click(function() { my_paz.showPrev(1); currentPage--; }).appendTo(pager.eq(0));
342 $('<a class="previous_active">Previous</a>').click(function() { my_paz.showPrev(1); currentPage--; }).appendTo(pager.eq(1));
345 pager.append('<a class="previous_inactive">Previous</a>');
347 var numPages = Math.ceil(max / currentResultsPerPage);
349 var start = ( currentPage - 5 > 0 ? currentPage - 5 : 1 );
350 var stop = ( start + 12 < numPages ? start + 12 : numPages );
352 if (start > 1) $('<span>... </span>').appendTo(pager);
354 for(var i = start; i <= stop; i++)
356 if( i == (currentPage + 1) ){
357 $('<a class="select">'+i+'</a>').appendTo(pager);
360 var pageLink = $('<a class="page">'+i+'</a>');
361 var plClone = pageLink.clone();
363 pageLink.click(function() {
364 my_paz.showPage(this.firstChild.nodeValue - 1);
365 currentPage = (this.firstChild.nodeValue - 1);
368 plClone.click(function() {
369 my_paz.showPage(this.firstChild.nodeValue - 1);
370 currentPage = (this.firstChild.nodeValue - 1);
374 pager.eq(0).append(pageLink);
375 pager.eq(1).append(plClone);
378 if (stop < numPages) $('<span> ...</span>').appendTo(pager);
380 if ( currentPage < (numPages-1) ){
381 $('<a class="next_active">Next</a>').click(function() { my_paz.showNext(1); currentPage++; }).appendTo(pager.eq(0));
382 $('<a class="next_active">Next</a>').click(function() { my_paz.showNext(1); currentPage++; }).appendTo(pager.eq(1));
385 pager.append('<a class="next_inactive">Next</a>');
388 function drawBreadcrumb()
390 var bc = $("#breadcrumb");
393 if(curQuery.filterNums) $('<strong id="filter"><a>'+curQuery.getFilterName(0)+'</a>: </strong>').click(function() {
394 curQuery.removeFilter(0);
398 bc.append('<span>'+curQuery.simpleQuery+'</span>');
400 for(var i = 0; i < curQuery.numTerms; i++){
401 bc.append('<strong> + </strong>');
402 var bcLink = $('<a id="pos_'+i+'">'+curQuery.getTermValueByIdx(i)+'</a>').click(function() {
403 curQuery.removeTermByIdx(this.id.split('_')[1]);