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;
46 var pager = document.getElementById("pager");
48 pager.innerHTML +='<hr/><div style="float: right">Displaying: '
49 + data.start + ' to ' + (data.start + data.num) +
50 ' of ' + data.merged + ' (found: '
51 + data.total + ')</div>';
54 var results = document.getElementById("results");
55 results.innerHTML = "";
57 for (var i = 0; i < data.hits.length; i++) {
58 var hit = data.hits[i];
59 var html = '<div class="record" id="recdiv_'+hit.recid+'" >'
60 +'<span>'+ (i + 1 + recPerPage * (curPage - 1)) +'. </span>'
61 +'<a href="#" id="rec_'+hit.recid
62 +'" onclick="showDetails(this.id);return false;"><b>'
63 + hit["md-title"] +' </b></a>';
64 if (hit["md-title-remainder"] !== undefined) {
65 html += '<span>' + hit["md-title-remainder"] + ' </span>';
67 if (hit["md-title-responsibility"] !== undefined) {
68 html += '<span><i>'+ hit["md-title-responsibility"] +'</i></span>';
71 results.innerHTML += html;
72 if (hit.recid == curDetRecId) {
78 function my_onstat(data) {
79 var stat = document.getElementById("stat");
80 stat.innerHTML = '<b> .:STATUS INFO</b> -- Active clients: '
82 + '/' + data.clients + ' -- </span>'
83 + '<span>Retrieved records: ' + data.records
84 + '/' + data.hits + ' :.</span>';
87 function my_onterm(data) {
88 var termlist = document.getElementById("termlist");
89 termlist.innerHTML = "<hr/><b>TERMLISTS:</b><hr/>";
91 termlist.innerHTML += '<div class="termtitle">.::Sources</div>';
92 for (var i = 0; i < data.xtargets.length; i++ ) {
93 termlist.innerHTML += '<a href="#" target_id='
95 + ' onclick="limitTarget(this.getAttribute(\'target_id\'), this.firstChild.nodeValue);return false;">'
96 + data.xtargets[i].name
98 + data.xtargets[i].freq
102 termlist.innerHTML += "<hr/>";
104 termlist.innerHTML += '<div class="termtitle">.::Subjects</div>';
105 for (var i = 0; i < data.subject.length; i++ ) {
106 termlist.innerHTML += '<a href="#" onclick="limitQuery(\'su\', this.firstChild.nodeValue);return false;">'
107 + data.subject[i].name
109 + data.subject[i].freq
113 termlist.innerHTML += "<hr/>";
115 termlist.innerHTML += '<div class="termtitle">.::Authors</div>';
116 for (var i = 0; i < data.author.length; i++ ) {
117 termlist.innerHTML += '<a href="#" onclick="limitQuery(\'au\', this.firstChild.nodeValue);return false;">'
118 + data.author[i].name
120 + data.author[i].freq
126 function my_onrecord(data) {
127 // in case on_show was faster to redraw element
128 var detRecordDiv = document.getElementById('det_'+data.recid);
131 curDetRecData = data;
135 function my_onbytarget(data) {
136 var targetDiv = document.getElementById("bytarget");
137 var table ='<table><thead><tr><td>Target ID</td><td>Hits</td><td>Diags</td>'
138 +'<td>Records</td><td>State</td></tr></thead><tbody>';
140 for (var i = 0; i < data.length; i++ ) {
141 table += "<tr><td>" + data[i].id +
142 "</td><td>" + data[i].hits +
143 "</td><td>" + data[i].diagnostic +
144 "</td><td>" + data[i].records +
145 "</td><td>" + data[i].state + "</td></tr>";
148 table += '</tbody></table>';
149 targetDiv.innerHTML = table;
152 ////////////////////////////////////////////////////////////////////////////////
153 ////////////////////////////////////////////////////////////////////////////////
155 // wait until the DOM is ready
158 document.search.onsubmit = onFormSubmitEventHandler;
159 document.search.query.value = '';
160 document.select.sort.onchange = onSelectDdChange;
161 document.select.perpage.onchange = onSelectDdChange;
164 // when search button pressed
165 function onFormSubmitEventHandler()
174 function onSelectDdChange()
176 if (!submitted) return false;
179 my_paz.show(0, recPerPage, curSort);
189 function triggerSearch ()
191 my_paz.search(document.search.query.value, recPerPage, curSort, curFilter);
194 function loadSelect ()
196 curSort = document.select.sort.value;
197 recPerPage = document.select.perpage.value;
200 // limit the query after clicking the facet
201 function limitQuery (field, value)
203 document.search.query.value += ' and ' + field + '="' + value + '"';
204 onFormSubmitEventHandler();
207 // limit by target functions
208 function limitTarget (id, name)
210 var navi = document.getElementById('navi');
212 'Source: <a class="crossout" href="#" onclick="delimitTarget();return false;">'
214 navi.innerHTML += '<hr/>';
215 curFilter = 'pz:id=' + id;
222 function delimitTarget ()
224 var navi = document.getElementById('navi');
233 function drawPager (pagerDiv)
235 //client indexes pages from 1 but pz2 from 0
237 var pages = Math.ceil(totalRec / recPerPage);
239 var firstClkbl = ( curPage - onsides > 0 )
243 var lastClkbl = firstClkbl + 2*onsides < pages
244 ? firstClkbl + 2*onsides
247 var prev = '<span id="prev"><< Prev</span><b> | </b>';
249 var prev = '<a href="#" id="prev" onclick="pagerPrev();">'
250 +'<< Prev</a><b> | </b>';
253 for(var i = firstClkbl; i <= lastClkbl; i++) {
256 numLabel = '<b>' + i + '</b>';
258 middle += '<a href="#" onclick="showPage(' + i + ')"> '
259 + numLabel + ' </a>';
262 var next = '<b> | </b><span id="next">Next >></span>';
263 if (pages - curPage > 0)
264 var next = '<b> | </b><a href="#" id="next" onclick="pagerNext()">'
265 +'Next >></a>';
272 if (lastClkbl < pages)
275 pagerDiv.innerHTML += '<div style="float: clear">'
276 + prev + predots + middle + postdots + next + '</div><hr/>';
279 function showPage (pageNum)
282 my_paz.showPage( curPage - 1 );
285 // simple paging functions
287 function pagerNext() {
288 if ( totalRec - recPerPage*curPage > 0) {
294 function pagerPrev() {
295 if ( my_paz.showPrev() != false )
299 // swithing view between targets and records
301 function switchView(view) {
303 var targets = document.getElementById('targetview');
304 var records = document.getElementById('recordview');
308 targets.style.display = "block";
309 records.style.display = "none";
312 targets.style.display = "none";
313 records.style.display = "block";
316 alert('Unknown view.');
320 // detailed record drawing
321 function showDetails ( prefixRecId ) {
322 var recId = prefixRecId.replace('rec_', '');
324 // remove current detailed view if any
325 var detRecordDiv = document.getElementById('det_'+curDetRecId);
328 detRecordDiv.parentNode.removeChild(detRecordDiv);
330 // if the same clicked do not redraw
331 if ( recId == curDetRecId ) {
337 // request the record
338 my_paz.record(recId);
341 function drawCurDetails ()
343 var data = curDetRecData;
344 var recordDiv = document.getElementById('recdiv_'+data.recid);
346 if (data["md-title"] != undefined) {
347 details += '<tr><td><b>Title</b></td><td><b>:</b> '+data["md-title"];
348 if (data["md-title-remainder"] !== undefined) {
349 details += ' : <span>' + data["md-title-remainder"] + ' </span>';
351 if (data["md-title-responsibility"] !== undefined) {
352 details += ' <span><i>'+ data["md-title-responsibility"] +'</i></span>';
354 details += '</td></tr>';
356 if (data["md-date"] != undefined)
357 details += '<tr><td><b>Date</b></td><td><b>:</b> ' + data["md-date"] + '</td></tr>';
358 if (data["md-author"] != undefined)
359 details += '<tr><td><b>Author</b></td><td><b>:</b> ' + data["md-author"] + '</td></tr>';
360 if (data["md-electronic-url"] != undefined)
361 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>';
362 if (data["location"][0]["md-subject"] != undefined)
363 details += '<tr><td><b>Subject</b></td><td><b>:</b> ' + data["location"][0]["md-subject"] + '</td></tr>';
364 if (data["location"][0]["@name"] != undefined)
365 details += '<tr><td><b>Location</b></td><td><b>:</b> ' + data["location"][0]["@name"] + " (" +data["location"][0]["@id"] + ")" + '</td></tr>';
366 recordDiv.innerHTML += '<div class="details" id="det_'+data.recid+'"><table>' + details + '</table></div>';