2 ** $Id: client.js,v 1.9 2007-04-02 09:44:34 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;
18 var currentQuery = null;
19 var currentQueryArr = new Array();
21 var currentFilter = undefined;
22 var currentFilterName = null;
24 var currentDetailedId = null;
25 var currentDetailedData = null;
27 var termStartup = true;
28 var advancedOn = false;
30 /* wait until the DOM is ready and register basic handlers */
31 $(document).ready( function() {
32 document.search.onsubmit = onFormSubmitEventHandler;
34 document.search.query.value = '';
35 document.search.title.value = '';
36 document.search.author.value = '';
37 document.search.subject.value = '';
38 document.search.date.value = '';
40 $('#advanced').click(toggleAdvanced);
42 $('#sort').change(function(){
43 currentSort = this.value;
45 my_paz.show(0, currentResultsPerPage, currentSort);
48 $('#perpage').change(function(){
49 currentResultsPerPage = this.value;
51 my_paz.show(0, currentResultsPerPage, currentSort);
55 /* search button event handler */
56 function onFormSubmitEventHandler() {
57 if(!loadQueryFromForm())
62 currentFilter = undefined;
63 $('div.content').show();
64 $("div.leftbar").show();
69 *********************************************************************************
70 ** pz2 Event Handlers ***********************************************************
71 *********************************************************************************
75 ** data.hits["md-title"], data.hits["md-author"], data.hits.recid, data.hits.count
76 ** data.activeclients, data.merged, data.total, data.start, data.num
78 function my_onshow(data)
80 var recsBody = $('div.records');
83 for (var i = 0; i < data.hits.length; i++) {
84 var title = data.hits[i]["md-title"] || 'N/A';
85 var author = data.hits[i]["md-author"] || '';
86 var id = data.hits[i].recid;
87 var count = data.hits[i].count || 1;
89 var recBody = $('<div class="record" id="rec_'+id+'"></div>');
90 var aTitle = $('<a class="recTitle">'+title+'</a>').appendTo(recBody);
91 aTitle.click(function(){
92 var clickedId = this.parentNode.id.split('_')[1];
93 if(currentDetailedId == clickedId){
94 $(this.parentNode.lastChild).remove();
95 currentDetailedId = null;
97 } else if (currentDetailedId != null) {
98 $('#rec_'+currentDetailedId).children('.detail').remove();
100 currentDetailedId = clickedId;
101 my_paz.record(currentDetailedId);
105 recBody.append('<i> by </i>');
106 $('<a name="author" class="recAuthor">'+author+'</a>\n').click(function(){ refine(this.name, this.firstChild.nodeValue) }).appendTo(recBody);
109 if( currentDetailedId == id ) {
110 var detailBox = $('<div class="detail"></div>').appendTo(recBody);
111 drawDetailedRec(detailBox);
115 recBody.append('<span> ('+count+')</span>');
118 recsBody.append('<div class="resultNum">'+(currentPage*currentResultsPerPage+i+1)+'.</a>');
119 recsBody.append(recBody);
121 drawPager(data.merged, data.total);
125 ** data.activeclients, data.hits, data.records, data.clients, data.searching
127 function my_onstat(data){}
130 ** data[listname]: name, freq, [id]
132 function my_onterm(data)
134 var termLists = $("#termlists");
138 for(var key in data){
139 if (key == "activeclients")
142 var listClass = "unselected";
144 if (key == "xtargets"){
145 listName = "resource";
146 listClass = "selected";
149 var termList = $('<div class="termlist" id="term_'+key+'"/>').appendTo(termLists);
150 var termTitle = $('<div class="termTitle"><a class="'+listClass+'">'+listName+'</a></div>').appendTo(termList);
151 termTitle.click(function(){
152 if( this.firstChild.className == "selected" ){
153 this.firstChild.className = "unselected";
154 $(this.nextSibling).hide();
156 this.firstChild.className = "selected";
157 $(this.nextSibling).show();
161 listEntries = $('<div class="termEntries"></div>');
162 if (key != "xtargets") listEntries.hide();
163 listEntries.appendTo(termList);
165 for(var i = 0; i < data[key].length; i++)
167 if (key == "xtargets"){
168 var listItem = $('<a class="sub" name="xtarget" value="'+data[key][i].id+'">'+data[key][i].name
169 /*+'<span> ('+data[key][i].freq+')</span>'*/+'</a>');
170 listItem.click(function(){
171 refine(this.name, this.attributes[0].nodeValue, this.firstChild.nodeValue) });
172 listItem.appendTo(listEntries);
174 var listItem = $('<a class="sub" name="'+key+'">'+data[key][i].name
175 /*+'<span> ('+data[key][i].freq+')</span>'*/+'</a>');
176 listItem.click(function(){ refine(this.name, this.firstChild.nodeValue) });
177 listItem.appendTo(listEntries);
180 $('<hr/>').appendTo(termLists);
186 for(var key in data){
187 if (key == "activeclients")
189 var listEntries = $('#term_'+key).children('.termEntries');
192 for(var i = 0; i < data[key].length; i++){
193 if (key == "xtargets"){
194 var listItem = $('<a class="sub" name="xtarget" value="'+data[key][i].id+'">'+data[key][i].name
195 /*+'<span> ('+data[key][i].freq+')</span>'*/+'</a>').click(function(){
196 refine(this.name, this.attributes[0].nodeValue, this.firstChild.nodeValue) });
197 listItem.appendTo(listEntries);
199 var listItem = $('<a class="sub" name="'+key+'">'+data[key][i].name
200 /*+'<span> ('+data[key][i].freq+')</span>'*/+'</a>').click(function(){
201 refine(this.name, this.firstChild.nodeValue) });
202 listItem.appendTo(listEntries);
210 ** data["md-title"], data["md-date"], data["md-author"], data["md-subject"], data["location"][0].name
212 function my_onrecord(data)
214 currentDetailedData = data;
219 ** data[i].id, data[i].hits, data[i].diagnostic, data[i].records, data[i].state
221 function my_onbytarget(data){}
224 *********************************************************************************
225 ** HELPER FUNCTIONS *************************************************************
226 *********************************************************************************
228 function fireSearch()
230 my_paz.search(currentQuery, currentResultsPerPage, currentSort, currentFilter);
231 $('div.records').empty();
234 function toggleAdvanced()
237 $("div.advanced").hide();
238 $("div.search").height(73);
240 $("#advanced").text("Advanced search");
242 $("div.search").height(173);
243 $("div.advanced").show();
245 $("#advanced").text("Simple search");
249 function drawDetailedRec(detailBox)
251 if( detailBox == undefined )
252 detailBox = $('<div class="detail"></div>').appendTo($('#rec_'+currentDetailedId));
254 detailBox.append('Details:<hr/>');
255 var detailTable = $('<table></table>');
256 var recDate = currentDetailedData["md-date"];
257 var recSubject = currentDetailedData["md-subject"];
258 var recLocation = currentDetailedData["location"];
261 detailTable.append('<tr><td class="item">Published:</td><td>'+recDate+'</td></tr>');
263 detailTable.append('<tr><td class="item">Subject:</td><td>'+recSubject+'</td></tr>');
265 detailTable.append('<tr><td class="item">Available at:</td><td> </td></tr>');
267 for(var i=0; i < recLocation.length; i++)
269 detailTable.append('<tr><td class="item"> </td><td>'+recLocation[i].name+'</td></tr>');
272 detailTable.appendTo(detailBox);
275 function refine(field, value, opt)
277 // for the time being
282 case "author": currentQueryArr.push('au="'+value+'"');
283 if(document.search.author.value != '') document.search.author.value+='; ';
284 document.search.author.value += value; break;
286 case "title": currentQueryArr.push('ti="'+value+'"');
287 //if(document.search.tile.value != '') document.search.title.value+='; ';
288 //document.search.title.value += value; break;
290 case "date": currentQueryArr.push('date="'+value+'"');
291 if(document.search.date.value != '') document.search.date.value+='; ';
292 document.search.date.value += value; break;
294 case "subject": currentQueryArr.push('su="'+value+'"');
295 if(document.search.subject.value != '') document.search.subject.value+='; ';
296 document.search.subject.value += value; break;
298 case "xtarget": currentFilter = 'id='+value;
299 currentFilterName = opt; break;
303 currentQuery = currentQueryArr.join(' and ');
308 function loadQueryFromForm()
311 if( document.search.query.value !== '' ) query.push(document.search.query.value);
316 if( (input = parseField(document.search.author.value, 'au')).length ) query = query.concat(input);
317 if( (input = parseField(document.search.title.value, 'ti')).length ) query = query.concat(input);
318 if( (input = parseField(document.search.date.value, 'date')).length ) query = query.concat(input);
319 if( (input = parseField(document.search.subject.value, 'su')).length ) query = query.concat(input);
323 currentQueryArr = query;
324 currentQuery = query.join(" and ");
331 function parseField(inputString, field)
333 var inputArr = inputString.split(';');
334 var outputArr = new Array();
335 for(var i=0; i < inputArr.length; i++){
336 if(inputArr[i].length < 3){
339 outputArr.push(field+'="'+inputArr[i]+'"');
341 //if( outputArr.length ){
342 return outputArr;//.join(" and ");
348 function drawPager(max, hits)
350 var firstOnPage = currentPage * currentResultsPerPage + 1;
351 var lastOnPage = (firstOnPage + currentResultsPerPage - 1) < max ? (firstOnPage + currentResultsPerPage - 1) : max;
353 var results = $('div.showing');
355 results.append('Displaying: <b>'+firstOnPage+'</b> to <b>'+lastOnPage+
356 '</b> of <b>'+max+'</b> (total hits: '+hits+')');
357 var pager = $('div.pages');
360 if ( currentPage > 0 ){
361 $('<a class="previous_active">Previous</a>').click(function() { my_paz.showPrev(1); currentPage--; }).appendTo(pager.eq(0));
362 $('<a class="previous_active">Previous</a>').click(function() { my_paz.showPrev(1); currentPage--; }).appendTo(pager.eq(1));
365 pager.append('<a class="previous_inactive">Previous</a>');
367 var numPages = Math.ceil(max / currentResultsPerPage);
369 var start = ( currentPage - 5 > 0 ? currentPage - 5 : 1 );
370 var stop = ( start + 12 < numPages ? start + 12 : numPages );
372 if (start > 1) $('<span>... </span>').appendTo(pager);
374 for(var i = start; i <= stop; i++)
376 if( i == (currentPage + 1) ){
377 $('<a class="select">'+i+'</a>').appendTo(pager);
380 var pageLink = $('<a class="page">'+i+'</a>');
381 var plClone = pageLink.clone();
383 pageLink.click(function() {
384 my_paz.showPage(this.firstChild.nodeValue - 1);
385 currentPage = (this.firstChild.nodeValue - 1);
388 plClone.click(function() {
389 my_paz.showPage(this.firstChild.nodeValue - 1);
390 currentPage = (this.firstChild.nodeValue - 1);
394 pager.eq(0).append(pageLink);
395 pager.eq(1).append(plClone);
398 if (stop < numPages) $('<span> ...</span>').appendTo(pager);
400 if ( currentPage < (numPages-1) ){
401 $('<a class="next_active">Next</a>').click(function() { my_paz.showNext(1); currentPage++; }).appendTo(pager.eq(0));
402 $('<a class="next_active">Next</a>').click(function() { my_paz.showNext(1); currentPage++; }).appendTo(pager.eq(1));
405 pager.append('<a class="next_inactive">Next</a>');
408 function drawBreadcrumb()
410 var bc = $("#breadcrumb");
413 if(currentFilter) $('<strong id="filter"><a>'+currentFilterName+'</a>: </strong>').click(function(){
414 currentFilter = undefined; currentFilterName = null; refine();}).appendTo(bc);
416 bc.append('<span>'+currentQueryArr[0]+'</span>');
418 for(var i = 1; i < currentQueryArr.length; i++){
419 bc.append('<strong> + </strong>');
420 var bcLink = $('<a id="pos_'+i+'">'+
421 currentQueryArr[i].substring(currentQueryArr[i].indexOf('"') + 1, currentQueryArr[i].lastIndexOf('"'))
422 +'</a>').click(function() { currentQueryArr.splice(this.id.split('_')[1], 1);refine(); });