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 = false;
10 if (document.location.hash == '#nosessions') {
12 pazpar2path = '/pazpar2/search.pz2';
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 + '" onclick="showDetails(this.id)">'
63 +'<span>' + (i + 1 + recPerPage * ( curPage - 1)) + '. </span>'
64 +'<a href="#"><b>' + hit["md-title"] +
66 if (hit["md-title-remainder"] !== undefined) {
67 html += '<span>' + hit["md-title-remainder"] + '</span>';
69 if (hit["md-title-responsibility"] !== undefined) {
70 html += '<span><i>' + hit["md-title-responsibility"] + '</i></span>';
73 results.innerHTML += html;
74 if ( hit.recid == curDetRecId ) {
81 function my_onstat(data) {
82 var stat = document.getElementById("stat");
83 stat.innerHTML = '<span>Active clients: '+ data.activeclients
84 + '/' + data.clients + ' | </span>'
85 + '<span>Retrieved records: ' + data.records
86 + '/' + data.hits + '</span>';
89 function my_onterm(data) {
90 var termlist = document.getElementById("termlist");
91 termlist.innerHTML = "<hr/><b>TERMLISTS:</b><hr/>";
93 termlist.innerHTML += '<div class="termtitle">.::Sources</div>';
94 for (var i = 0; i < data.xtargets.length; i++ ) {
95 termlist.innerHTML += '<a href="#" target_id='
97 + ' onclick="limitTarget(this.getAttribute(\'target_id\'), this.firstChild.nodeValue)">'
98 + data.xtargets[i].name
100 + data.xtargets[i].freq
104 termlist.innerHTML += "<hr/>";
106 termlist.innerHTML += '<div class="termtitle">.::Subjects</div>';
107 for (var i = 0; i < data.subject.length; i++ ) {
108 termlist.innerHTML += '<a href="#" onclick="limitQuery(\'su\', this.firstChild.nodeValue)">'
109 + data.subject[i].name
111 + data.subject[i].freq
115 termlist.innerHTML += "<hr/>";
117 termlist.innerHTML += '<div class="termtitle">.::Authors</div>';
118 for (var i = 0; i < data.author.length; i++ ) {
119 termlist.innerHTML += '<a href="#" onclick="limitQuery(\'au\', this.firstChild.nodeValue)">'
120 + data.author[i].name
122 + data.author[i].freq
128 function my_onrecord(data) {
129 // in case on_show was faster to redraw element
130 var detRecordDiv = document.getElementById('det_'+data.recid);
134 curDetRecData = data;
138 function my_onbytarget(data) {
139 var targetDiv = document.getElementById("bytarget");
140 var 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>";
152 targetDiv.innerHTML = table;
156 ////////////////////////////////////////////////////////////////////////////////
157 ////////////////////////////////////////////////////////////////////////////////
159 // wait until the DOM is ready
162 document.search.onsubmit = onFormSubmitEventHandler;
163 document.search.query.value = '';
164 document.select.sort.onchange = onSelectDdChange;
165 document.select.perpage.onchange = onSelectDdChange;
168 // when search button pressed
169 function onFormSubmitEventHandler()
178 function onSelectDdChange()
180 if (!submitted) return false;
183 my_paz.show(0, recPerPage, curSort);
193 function triggerSearch ()
195 my_paz.search(document.search.query.value, recPerPage, curSort, curFilter);
198 function loadSelect ()
200 curSort = document.select.sort.value;
201 recPerPage = document.select.perpage.value;
204 // limit the query after clicking the facet
205 function limitQuery (field, value)
207 document.search.query.value += ' and ' + field + '="' + value + '"';
208 onFormSubmitEventHandler();
211 // limit by target functions
212 function limitTarget (id, name)
214 var navi = document.getElementById('navi');
216 'Source: <a class="crossout" href="#" onclick="delimitTarget()">'
218 navi.innerHTML += '<hr/>';
219 curFilter = 'pz:id=' + id;
226 function delimitTarget ()
228 var navi = document.getElementById('navi');
237 function drawPager (pagerDiv)
239 //client indexes pages from 1 but pz2 from 0
241 var pages = Math.ceil(totalRec / recPerPage);
243 var firstClkbl = ( curPage - onsides > 0 )
247 var lastClkbl = firstClkbl + 2*onsides < pages
248 ? firstClkbl + 2*onsides
251 var prev = '<span id="prev"><< Prev</span><b> | </b>';
253 var prev = '<a href="#" id="prev" onclick="pagerPrev();">'
254 +'<< Prev</a><b> | </b>';
257 for(var i = firstClkbl; i <= lastClkbl; i++) {
260 numLabel = '<b>' + i + '</b>';
262 middle += '<a href="#" onclick="showPage(' + i + ')"> '
263 + numLabel + ' </a>';
266 var next = '<b> | </b><span id="next">Next >></span>';
267 if (pages - curPage > 0)
268 var next = '<b> | </b><a href="#" id="next" onclick="pagerNext()">'
269 +'Next >></a>';
276 if (lastClkbl < pages)
279 pagerDiv.innerHTML += '<div style="float: clear">'
280 + prev + predots + middle + postdots + next + '</div><hr/>';
283 function showPage (pageNum)
286 my_paz.showPage( curPage - 1 );
289 // simple paging functions
291 function pagerNext() {
292 if ( totalRec - recPerPage*curPage > 0) {
298 function pagerPrev() {
299 if ( my_paz.showPrev() != false )
303 // swithing view between targets and records
305 function switchView(view) {
307 var targets = document.getElementById('targetview');
308 var records = document.getElementById('recordview');
312 targets.style.display = "block";
313 records.style.display = "none";
316 targets.style.display = "none";
317 records.style.display = "block";
320 alert('Unknown view.');
324 // detailed record drawing
325 function showDetails ( prefixRecId ) {
326 var recId = prefixRecId.replace('rec_', '');
328 // remove current detailed view if any
329 var detRecordDiv = document.getElementById('det_'+curDetRecId);
332 detRecordDiv.parentNode.removeChild(detRecordDiv);
334 // if the same clicked do not redraw
335 if ( recId == curDetRecId ) {
342 // request the record
343 my_paz.record(recId);
346 function drawCurDetails ()
348 var data = curDetRecData;
349 var recordDiv = document.getElementById('rec_'+data.recid);
351 if (data["md-title"] != undefined)
352 details += '<tr><td><b>Ttle</b></td><td><b>:</b> '+data["md-title"] + '</td></tr>';
353 if (data["md-date"] != undefined)
354 details += '<tr><td><b>Date</b></td><td><b>:</b> ' + data["md-date"] + '</td></tr>';
355 if (data["md-author"] != undefined)
356 details += '<tr><td><b>Author</b></td><td><b>:</b> ' + data["md-author"] + '</td></tr>';
357 if (data["md-electronic-url"] != undefined)
358 details += '<tr><td><b>URL</b></td><td><b>:</b> <a href="' + data["md-electronic-url"] + '">' + data["md-electronic-url"] + '</a>' + '</td></tr>';
359 if (data["location"][0]["md-subject"] != undefined)
360 details += '<tr><td><b>Subject</b></td><td><b>:</b> ' + data["location"][0]["md-subject"] + '</td></tr>';
361 if (data["location"][0]["@name"] != undefined)
362 details += '<tr><td><b>Location</b></td><td><b>:</b> ' + data["location"][0]["@name"] + " (" +data["location"][0]["@id"] + ")" + '</td></tr>';
363 recordDiv.innerHTML += '<div class="details" id="det_'+data.recid+'"><table>' + details + '</table></div>';