2 ** $Id: client.js,v 1.15 2007-04-14 06:12:21 quinn 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 +'<span> ('+data[key][i].freq+')</span>'+'</a>');
165 listItem.click(function(){
166 refine(this.name, this.attributes[0].nodeValue, this.firstChild.nodeValue) });
167 listItem.appendTo(listEntries);
169 var listItem = $('<a class="sub" name="'+key+'">'+data[key][i].name
170 /*+'<span> ('+data[key][i].freq+')</span>'*/+'</a>');
171 listItem.click(function(){ refine(this.name, this.firstChild.nodeValue) });
172 listItem.appendTo(listEntries);
175 $('<hr/>').appendTo(termLists);
181 for(var key in data){
182 if (key == "activeclients")
184 var listEntries = $('#term_'+key).children('.termEntries');
185 if( data[key].length ) listEntries.empty();
187 for(var i = 0; i < data[key].length; i++){
188 if (key == "xtargets"){
189 var listItem = $('<a class="sub" name="xtarget" value="'+data[key][i].id+'">'+data[key][i].name+'<span> ('+data[key][i].freq+')</span>'+'</a>').click(function(){
190 refine(this.name, this.attributes[0].nodeValue, this.firstChild.nodeValue) });
191 listItem.appendTo(listEntries);
193 var listItem = $('<a class="sub" name="'+key+'">'+data[key][i].name
194 /*+'<span> ('+data[key][i].freq+')</span>'*/+'</a>').click(function(){
195 refine(this.name, this.firstChild.nodeValue) });
196 listItem.appendTo(listEntries);
204 ** data["md-title"], data["md-date"], data["md-author"], data["md-subject"], data["location"][0].name
206 function my_onrecord(data)
208 currentDetailedData = data;
213 ** data[i].id, data[i].hits, data[i].diagnostic, data[i].records, data[i].state
215 function my_onbytarget(data){}
218 *********************************************************************************
219 ** HELPER FUNCTIONS *************************************************************
220 *********************************************************************************
222 function fireSearch()
224 $('div.showing').empty().text('No records to show.');
225 $('div.pages').empty().html(' ');
226 $('div.records').empty();
227 currentDetailedId = null;
228 if( !curQuery.totalLength() )
230 my_paz.search(curQuery.toCCL(), currentResultsPerPage, currentSort, curQuery.getFilterString() );
233 function toggleAdvanced()
236 $("div.advanced").hide();
237 $("div.search").height(73);
239 $("#advanced").text("Advanced search");
241 $("div.search").height(173);
242 $("div.advanced").show();
244 $("#advanced").text("Simple search");
245 loadFormFieldsFromQuery();
249 function drawDetailedRec(detailBox)
251 if( detailBox == undefined )
252 detailBox = $('<div class="detail"></div>').appendTo($('#rec_'+currentDetailedId));
254 var detailTable = $('<table></table>');
255 var recLocation = currentDetailedData["location"];
258 detailTable.append('<tr><td class="item">Available at:</td><td> </td></tr>');
260 for(var i=0; i < recLocation.length; i++)
262 var url = recLocation[i]["md-url"];
263 var date = recLocation[i]["md-date"];
264 var description = recLocation[i]["md-description"];
265 detailTable.append('<tr><td class="item"> </td><td>'+recLocation[i].name+'</td></tr>');
267 var tline = $('<tr><td> </td></tr>');
268 var td = $('<td></td>').appendTo(tline);
269 var tlink = $('<a>Go to resource</a>');
270 tlink.attr('href', url);;
271 tlink.attr('target', '_blank');
273 detailTable.append(tline);
276 detailTable.append($('<tr><td>Date</td><td>'+date+'</td></tr>'));
278 detailTable.append($('<tr><td> </td><td>'+description+'</td></tr>'));
281 detailTable.appendTo(detailBox);
284 function refine(field, value, opt)
287 case "author": curQuery.addTerm('au', value); break;
288 case "title": curQuery.addTerm('ti', value); break;
289 case "date": curQuery.addTerm('date', value); break;
290 case "subject": curQuery.addTerm('su', value); break;
291 case "xtarget": curQuery.setFilter(opt, value); break;
295 loadFormFieldsFromQuery();
302 function loadQueryFromForm()
305 curQuery.simpleQuery = document.search.query.value;
309 curQuery.addTermsFromList(document.search.author.value, 'au');
310 curQuery.addTermsFromList(document.search.title.value, 'ti');
311 curQuery.addTermsFromList(document.search.date.value, 'date');
312 curQuery.addTermsFromList(document.search.subject.value, 'su');
316 function loadFormFieldsFromQuery()
318 document.search.author.value = '';
319 document.search.title.value = '';
320 document.search.date.value = '';
321 document.search.subject.value = '';
323 for(var i = 0; i < curQuery.numTerms; i++)
325 switch( curQuery.getTermFieldByIdx(i) )
327 case "au": document.search.author.value += curQuery.getTermValueByIdx(i) + '; '; break;
328 case "ti": document.search.title.value += curQuery.getTermValueByIdx(i) + '; '; break;
329 case "date": document.search.date.value += curQuery.getTermValueByIdx(i) + '; '; break;
330 case "su": document.search.subject.value += curQuery.getTermValueByIdx(i) + '; '; break;
335 function drawPager(max, hits)
337 var firstOnPage = currentPage * currentResultsPerPage + 1;
338 var lastOnPage = (firstOnPage + currentResultsPerPage - 1) < max ? (firstOnPage + currentResultsPerPage - 1) : max;
340 var results = $('div.showing');
342 results.append('Displaying: <b>'+firstOnPage+'</b> to <b>'+lastOnPage+
343 '</b> of <b>'+max+'</b> (total hits: '+hits+')');
344 var pager = $('div.pages');
347 if ( currentPage > 0 ){
348 $('<a class="previous_active">Previous</a>').click(function() { my_paz.showPrev(1); currentPage--; }).appendTo(pager.eq(0));
349 $('<a class="previous_active">Previous</a>').click(function() { my_paz.showPrev(1); currentPage--; }).appendTo(pager.eq(1));
352 pager.append('<a class="previous_inactive">Previous</a>');
354 var numPages = Math.ceil(max / currentResultsPerPage);
356 var start = ( currentPage - 5 > 0 ? currentPage - 5 : 1 );
357 var stop = ( start + 12 < numPages ? start + 12 : numPages );
359 if (start > 1) $('<span>... </span>').appendTo(pager);
361 for(var i = start; i <= stop; i++)
363 if( i == (currentPage + 1) ){
364 $('<a class="select">'+i+'</a>').appendTo(pager);
367 var pageLink = $('<a class="page">'+i+'</a>');
368 var plClone = pageLink.clone();
370 pageLink.click(function() {
371 my_paz.showPage(this.firstChild.nodeValue - 1);
372 currentPage = (this.firstChild.nodeValue - 1);
375 plClone.click(function() {
376 my_paz.showPage(this.firstChild.nodeValue - 1);
377 currentPage = (this.firstChild.nodeValue - 1);
381 pager.eq(0).append(pageLink);
382 pager.eq(1).append(plClone);
385 if (stop < numPages) $('<span> ...</span>').appendTo(pager);
387 if ( currentPage < (numPages-1) ){
388 $('<a class="next_active">Next</a>').click(function() { my_paz.showNext(1); currentPage++; }).appendTo(pager.eq(0));
389 $('<a class="next_active">Next</a>').click(function() { my_paz.showNext(1); currentPage++; }).appendTo(pager.eq(1));
392 pager.append('<a class="next_inactive">Next</a>');
395 function drawBreadcrumb()
397 var bc = $("#breadcrumb");
400 if(curQuery.filterNums) $('<strong id="filter"><a>'+curQuery.getFilterName(0)+'</a>: </strong>').click(function() {
401 curQuery.removeFilter(0);
405 bc.append('<span>'+curQuery.simpleQuery+'</span>');
407 for(var i = 0; i < curQuery.numTerms; i++){
408 bc.append('<strong> + </strong>');
409 var bcLink = $('<a id="pos_'+i+'">'+curQuery.getTermValueByIdx(i)+'</a>').click(function() {
410 curQuery.removeTermByIdx(this.id.split('_')[1]);