1 /* A very simple client that shows a basic usage of the pz2.js
2 ** $Id: example_client.js,v 1.6 2008-01-15 13:59:18 jakub Exp $
5 // create a parameters array and pass it to the pz2's constructor
6 // then register the form submit event with the pz2.search function
7 // autoInit is set to true on default
8 var usesessions = true;
9 var pazpar2path = '/pazpar2/search.pz2';
10 if (document.location.hash == '#nosessions') {
12 pazpar2path = '/pazpar2-proxy/';
15 my_paz = new pz2( { "onshow": my_onshow,
16 "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
17 "pazpar2path": pazpar2path,
21 "termlist": "xtargets,subject,author",
22 "onbytarget": my_onbytarget,
23 "usesessions" : usesessions,
24 "onrecord": my_onrecord } );
30 var curDetRecData = null;
31 var curSort = 'relevance';
33 var submitted = false;
36 // pz2.js event handlers:
38 function my_oninit() {
43 function my_onshow(data) {
44 totalRec = data.merged;
47 var pager = document.getElementById("pager");
50 pager.innerHTML +='<hr/><div style="float: right">Displaying: '
51 + data.start + ' to ' + (data.start + data.num) +
52 ' of ' + data.merged + ' (found: '
53 + data.total + ')</div>';
57 var results = document.getElementById("results");
58 results.innerHTML = "";
60 for (var i = 0; i < data.hits.length; i++) {
61 var hit = data.hits[i];
62 var html = '<div class="record" id="rec_' + hit.recid
63 + '" onclick="showDetails(this.id);return false;">'
64 +'<span>' + (i + 1 + recPerPage * ( curPage - 1)) + '. </span>'
65 +'<a href="#"><b>' + hit["md-title"] +
67 if (hit["md-title-remainder"] !== undefined) {
68 html += '<span>' + hit["md-title-remainder"] + ' </span>';
70 if (hit["md-title-responsibility"] !== undefined) {
71 html += '<span><i>' + hit["md-title-responsibility"] + '</i></span>';
74 results.innerHTML += html;
75 if ( hit.recid == curDetRecId ) {
82 function my_onstat(data) {
83 var stat = document.getElementById("stat");
84 stat.innerHTML = '<b> .:STATUS INFO</b> -- Active clients: '
86 + '/' + data.clients + ' -- </span>'
87 + '<span>Retrieved records: ' + data.records
88 + '/' + data.hits + ' :.</span>';
91 function my_onterm(data) {
92 var termlist = document.getElementById("termlist");
93 termlist.innerHTML = "<hr/><b>TERMLISTS:</b><hr/>";
95 termlist.innerHTML += '<div class="termtitle">.::Sources</div>';
96 for (var i = 0; i < data.xtargets.length; i++ ) {
97 termlist.innerHTML += '<a href="#" target_id='
99 + ' onclick="limitTarget(this.getAttribute(\'target_id\'), this.firstChild.nodeValue);return false;">'
100 + data.xtargets[i].name
102 + data.xtargets[i].freq
106 termlist.innerHTML += "<hr/>";
108 termlist.innerHTML += '<div class="termtitle">.::Subjects</div>';
109 for (var i = 0; i < data.subject.length; i++ ) {
110 termlist.innerHTML += '<a href="#" onclick="limitQuery(\'su\', this.firstChild.nodeValue);return false;">'
111 + data.subject[i].name
113 + data.subject[i].freq
117 termlist.innerHTML += "<hr/>";
119 termlist.innerHTML += '<div class="termtitle">.::Authors</div>';
120 for (var i = 0; i < data.author.length; i++ ) {
121 termlist.innerHTML += '<a href="#" onclick="limitQuery(\'au\', this.firstChild.nodeValue);return false;">'
122 + data.author[i].name
124 + data.author[i].freq
130 function my_onrecord(data) {
131 // in case on_show was faster to redraw element
132 var detRecordDiv = document.getElementById('det_'+data.recid);
136 curDetRecData = data;
140 function my_onbytarget(data) {
141 var targetDiv = document.getElementById("bytarget");
142 var table = '<thead><tr><td>Target ID</td><td>Hits</td><td>Diags</td>'
143 +'<td>Records</td><td>State</td></tr></thead><tbody>';
145 for (var i = 0; i < data.length; i++ ) {
146 table += "<tr><td>" + data[i].id +
147 "</td><td>" + data[i].hits +
148 "</td><td>" + data[i].diagnostic +
149 "</td><td>" + data[i].records +
150 "</td><td>" + data[i].state + "</td></tr>";
154 targetDiv.innerHTML = table;
158 ////////////////////////////////////////////////////////////////////////////////
159 ////////////////////////////////////////////////////////////////////////////////
161 // wait until the DOM is ready
164 document.search.onsubmit = onFormSubmitEventHandler;
165 document.search.query.value = '';
166 document.select.sort.onchange = onSelectDdChange;
167 document.select.perpage.onchange = onSelectDdChange;
170 // when search button pressed
171 function onFormSubmitEventHandler()
180 function onSelectDdChange()
182 if (!submitted) return false;
185 my_paz.show(0, recPerPage, curSort);
195 function triggerSearch ()
197 my_paz.search(document.search.query.value, recPerPage, curSort, curFilter);
200 function loadSelect ()
202 curSort = document.select.sort.value;
203 recPerPage = document.select.perpage.value;
206 // limit the query after clicking the facet
207 function limitQuery (field, value)
209 document.search.query.value += ' and ' + field + '="' + value + '"';
210 onFormSubmitEventHandler();
213 // limit by target functions
214 function limitTarget (id, name)
216 var navi = document.getElementById('navi');
218 'Source: <a class="crossout" href="#" onclick="delimitTarget();return false;">'
220 navi.innerHTML += '<hr/>';
221 curFilter = 'pz:id=' + id;
228 function delimitTarget ()
230 var navi = document.getElementById('navi');
239 function drawPager (pagerDiv)
241 //client indexes pages from 1 but pz2 from 0
243 var pages = Math.ceil(totalRec / recPerPage);
245 var firstClkbl = ( curPage - onsides > 0 )
249 var lastClkbl = firstClkbl + 2*onsides < pages
250 ? firstClkbl + 2*onsides
253 var prev = '<span id="prev"><< Prev</span><b> | </b>';
255 var prev = '<a href="#" id="prev" onclick="pagerPrev();">'
256 +'<< Prev</a><b> | </b>';
259 for(var i = firstClkbl; i <= lastClkbl; i++) {
262 numLabel = '<b>' + i + '</b>';
264 middle += '<a href="#" onclick="showPage(' + i + ')"> '
265 + numLabel + ' </a>';
268 var next = '<b> | </b><span id="next">Next >></span>';
269 if (pages - curPage > 0)
270 var next = '<b> | </b><a href="#" id="next" onclick="pagerNext()">'
271 +'Next >></a>';
278 if (lastClkbl < pages)
281 pagerDiv.innerHTML += '<div style="float: clear">'
282 + prev + predots + middle + postdots + next + '</div><hr/>';
285 function showPage (pageNum)
288 my_paz.showPage( curPage - 1 );
291 // simple paging functions
293 function pagerNext() {
294 if ( totalRec - recPerPage*curPage > 0) {
300 function pagerPrev() {
301 if ( my_paz.showPrev() != false )
305 // swithing view between targets and records
307 function switchView(view) {
309 var targets = document.getElementById('targetview');
310 var records = document.getElementById('recordview');
314 targets.style.display = "block";
315 records.style.display = "none";
318 targets.style.display = "none";
319 records.style.display = "block";
322 alert('Unknown view.');
326 // detailed record drawing
327 function showDetails ( prefixRecId ) {
328 var recId = prefixRecId.replace('rec_', '');
330 // remove current detailed view if any
331 var detRecordDiv = document.getElementById('det_'+curDetRecId);
334 detRecordDiv.parentNode.removeChild(detRecordDiv);
336 // if the same clicked do not redraw
337 if ( recId == curDetRecId ) {
343 // request the record
344 my_paz.record(recId);
347 function drawCurDetails ()
349 var data = curDetRecData;
350 var recordDiv = document.getElementById('rec_'+data.recid);
352 if (data["md-title"] != undefined)
353 details += '<tr><td><b>Ttle</b></td><td><b>:</b> '+data["md-title"] + '</td></tr>';
354 if (data["md-date"] != undefined)
355 details += '<tr><td><b>Date</b></td><td><b>:</b> ' + data["md-date"] + '</td></tr>';
356 if (data["md-author"] != undefined)
357 details += '<tr><td><b>Author</b></td><td><b>:</b> ' + data["md-author"] + '</td></tr>';
358 if (data["md-electronic-url"] != undefined)
359 details += '<tr><td><b>URL</b></td><td><b>:</b> <a href="' + data["md-electronic-url"] + '">' + data["md-electronic-url"] + '</a>' + '</td></tr>';
360 if (data["location"][0]["md-subject"] != undefined)
361 details += '<tr><td><b>Subject</b></td><td><b>:</b> ' + data["location"][0]["md-subject"] + '</td></tr>';
362 if (data["location"][0]["@name"] != undefined)
363 details += '<tr><td><b>Location</b></td><td><b>:</b> ' + data["location"][0]["@name"] + " (" +data["location"][0]["@id"] + ")" + '</td></tr>';
364 recordDiv.innerHTML += '<div class="details" id="det_'+data.recid+'"><table>' + details + '</table></div>';