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;
39 // pz2.js event handlers:
41 function my_oninit() {
46 function my_onshow(data) {
47 totalRec = data.merged;
49 var pager = document.getElementById("pager");
51 pager.innerHTML +='<hr/><div style="float: right">Displaying: '
52 + data.start + ' to ' + (data.start + data.num) +
53 ' of ' + data.merged + ' (found: '
54 + 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="recdiv_'+hit.recid+'" >'
63 +'<span>'+ (i + 1 + recPerPage * (curPage - 1)) +'. </span>'
64 +'<a href="#" id="rec_'+hit.recid
65 +'" onclick="showDetails(this.id);return false;"><b>'
66 + hit["md-title"] +' </b></a>';
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) {
81 function my_onstat(data) {
82 var stat = document.getElementById("stat");
83 stat.innerHTML = '<b> .:STATUS INFO</b> -- Active clients: '
85 + '/' + data.clients + ' -- </span>'
86 + '<span>Retrieved records: ' + data.records
87 + '/' + data.hits + ' :.</span>';
90 function my_onterm(data) {
91 var termlist = document.getElementById("termlist");
92 termlist.innerHTML = "<hr/><b>TERMLISTS:</b><hr/>";
94 termlist.innerHTML += '<div class="termtitle">.::Sources</div>';
95 for (var i = 0; i < data.xtargets.length && i < SourceMax; i++ ) {
96 termlist.innerHTML += '<a href="#" target_id='
98 + ' onclick="limitTarget(this.getAttribute(\'target_id\'), this.firstChild.nodeValue);return false;">'
99 + data.xtargets[i].name
101 + data.xtargets[i].freq
105 termlist.innerHTML += "<hr/>";
107 termlist.innerHTML += '<div class="termtitle">.::Subjects</div>';
108 for (var i = 0; i < data.subject.length && i < SubjectMax; i++ ) {
109 termlist.innerHTML += '<a href="#" onclick="limitQuery(\'su\', this.firstChild.nodeValue);return false;">'
110 + data.subject[i].name
112 + data.subject[i].freq
116 termlist.innerHTML += "<hr/>";
118 termlist.innerHTML += '<div class="termtitle">.::Authors</div>';
119 for (var i = 0; i < data.author.length && i < AuthorMax; i++ ) {
120 termlist.innerHTML += '<a href="#" onclick="limitQuery(\'au\', this.firstChild.nodeValue);return false;">'
121 + data.author[i].name
123 + data.author[i].freq
129 function my_onrecord(data) {
130 // in case on_show was faster to redraw element
131 var detRecordDiv = document.getElementById('det_'+data.recid);
134 curDetRecData = data;
138 function my_onbytarget(data) {
139 var targetDiv = document.getElementById("bytarget");
140 var table ='<table><thead><tr><td>Target ID</td><td>Hits</td><td>Diags</td>'
141 +'<td>Records</td><td>State</td></tr></thead><tbody>';
143 for (var i = 0; i < data.length; i++ ) {
144 table += "<tr><td>" + data[i].id +
145 "</td><td>" + data[i].hits +
146 "</td><td>" + data[i].diagnostic +
147 "</td><td>" + data[i].records +
148 "</td><td>" + data[i].state + "</td></tr>";
151 table += '</tbody></table>';
152 targetDiv.innerHTML = table;
155 ////////////////////////////////////////////////////////////////////////////////
156 ////////////////////////////////////////////////////////////////////////////////
158 // wait until the DOM is ready
161 document.search.onsubmit = onFormSubmitEventHandler;
162 document.search.query.value = '';
163 document.select.sort.onchange = onSelectDdChange;
164 document.select.perpage.onchange = onSelectDdChange;
167 // when search button pressed
168 function onFormSubmitEventHandler()
177 function onSelectDdChange()
179 if (!submitted) return false;
182 my_paz.show(0, recPerPage, curSort);
192 function triggerSearch ()
194 my_paz.search(document.search.query.value, recPerPage, curSort, curFilter);
197 function loadSelect ()
199 curSort = document.select.sort.value;
200 recPerPage = document.select.perpage.value;
203 // limit the query after clicking the facet
204 function limitQuery (field, value)
206 document.search.query.value += ' and ' + field + '="' + value + '"';
207 onFormSubmitEventHandler();
210 // limit by target functions
211 function limitTarget (id, name)
213 var navi = document.getElementById('navi');
215 'Source: <a class="crossout" href="#" onclick="delimitTarget();return false;">'
217 navi.innerHTML += '<hr/>';
218 curFilter = 'pz:id=' + id;
225 function delimitTarget ()
227 var navi = document.getElementById('navi');
236 function drawPager (pagerDiv)
238 //client indexes pages from 1 but pz2 from 0
240 var pages = Math.ceil(totalRec / recPerPage);
242 var firstClkbl = ( curPage - onsides > 0 )
246 var lastClkbl = firstClkbl + 2*onsides < pages
247 ? firstClkbl + 2*onsides
250 var prev = '<span id="prev"><< Prev</span><b> | </b>';
252 var prev = '<a href="#" id="prev" onclick="pagerPrev();">'
253 +'<< Prev</a><b> | </b>';
256 for(var i = firstClkbl; i <= lastClkbl; i++) {
259 numLabel = '<b>' + i + '</b>';
261 middle += '<a href="#" onclick="showPage(' + i + ')"> '
262 + numLabel + ' </a>';
265 var next = '<b> | </b><span id="next">Next >></span>';
266 if (pages - curPage > 0)
267 var next = '<b> | </b><a href="#" id="next" onclick="pagerNext()">'
268 +'Next >></a>';
275 if (lastClkbl < pages)
278 pagerDiv.innerHTML += '<div style="float: clear">'
279 + prev + predots + middle + postdots + next + '</div><hr/>';
282 function showPage (pageNum)
285 my_paz.showPage( curPage - 1 );
288 // simple paging functions
290 function pagerNext() {
291 if ( totalRec - recPerPage*curPage > 0) {
297 function pagerPrev() {
298 if ( my_paz.showPrev() != false )
302 // swithing view between targets and records
304 function switchView(view) {
306 var targets = document.getElementById('targetview');
307 var records = document.getElementById('recordview');
311 targets.style.display = "block";
312 records.style.display = "none";
315 targets.style.display = "none";
316 records.style.display = "block";
319 alert('Unknown view.');
323 // detailed record drawing
324 function showDetails ( prefixRecId ) {
325 var recId = prefixRecId.replace('rec_', '');
327 // remove current detailed view if any
328 var detRecordDiv = document.getElementById('det_'+curDetRecId);
331 detRecordDiv.parentNode.removeChild(detRecordDiv);
333 // if the same clicked do not redraw
334 if ( recId == curDetRecId ) {
340 // request the record
341 my_paz.record(recId);
344 function drawCurDetails ()
346 var data = curDetRecData;
347 var recordDiv = document.getElementById('recdiv_'+data.recid);
349 if (data["md-title"] != undefined) {
350 details += '<tr><td><b>Title</b></td><td><b>:</b> '+data["md-title"];
351 if (data["md-title-remainder"] !== undefined) {
352 details += ' : <span>' + data["md-title-remainder"] + ' </span>';
354 if (data["md-title-responsibility"] !== undefined) {
355 details += ' <span><i>'+ data["md-title-responsibility"] +'</i></span>';
357 details += '</td></tr>';
359 if (data["md-date"] != undefined)
360 details += '<tr><td><b>Date</b></td><td><b>:</b> ' + data["md-date"] + '</td></tr>';
361 if (data["md-author"] != undefined)
362 details += '<tr><td><b>Author</b></td><td><b>:</b> ' + data["md-author"] + '</td></tr>';
363 if (data["md-electronic-url"] != undefined)
364 details += '<tr><td><b>URL</b></td><td><b>:</b> <a href="' + data["md-electronic-url"] + '" target="_blank">' + data["md-electronic-url"] + '</a>' + '</td></tr>';
365 if (data["location"][0]["md-subject"] != undefined)
366 details += '<tr><td><b>Subject</b></td><td><b>:</b> ' + data["location"][0]["md-subject"] + '</td></tr>';
367 if (data["location"][0]["@name"] != undefined)
368 details += '<tr><td><b>Location</b></td><td><b>:</b> ' + data["location"][0]["@name"] + " (" +data["location"][0]["@id"] + ")" + '</td></tr>';
369 recordDiv.innerHTML += '<div class="details" id="det_'+data.recid+'"><table>' + details + '</table></div>';