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 + 1) + ' to ' + (data.start + data.num) +
53 ' of ' + data.merged + ' (found: '
54 + data.total + ')</div>';
57 var results = document.getElementById("results");
60 for (var i = 0; i < data.hits.length; i++) {
61 var hit = data.hits[i];
62 html.push('<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.push('<span>' + hit["md-title-remainder"] + ' </span>');
70 if (hit["md-title-responsibility"] !== undefined) {
71 html.push('<span><i>'+hit["md-title-responsibility"]+'</i></span>');
73 if (hit.recid == curDetRecId) {
74 html.push(renderDetails(curDetRecData));
78 replaceHtml(results, html.join(''));
81 function my_onstat(data) {
82 var stat = document.getElementById("stat");
86 stat.innerHTML = '<b> .:STATUS INFO</b> -- Active clients: '
88 + '/' + data.clients + ' -- </span>'
89 + '<span>Retrieved records: ' + data.records
90 + '/' + data.hits + ' :.</span>';
93 function my_onterm(data) {
95 termlists.push('<hr/><b>TERMLISTS:</b><hr/><div class="termtitle">.::Sources</div>');
96 for (var i = 0; i < data.xtargets.length && i < SourceMax; i++ ) {
97 termlists.push('<a href="#" target_id='+data.xtargets[i].id
98 + ' onclick="limitTarget(this.getAttribute(\'target_id\'), this.firstChild.nodeValue);return false;">' + data.xtargets[i].name
99 + ' </a><span> (' + data.xtargets[i].freq + ')</span><br/>');
102 termlists.push('<hr/><div class="termtitle">.::Subjects</div>');
103 for (var i = 0; i < data.subject.length && i < SubjectMax; i++ ) {
104 termlists.push('<a href="#" onclick="limitQuery(\'su\', this.firstChild.nodeValue);return false;">' + data.subject[i].name + '</a><span> ('
105 + data.subject[i].freq + ')</span><br/>');
108 termlists.push('<hr/><div class="termtitle">.::Authors</div>');
109 for (var i = 0; i < data.author.length && i < AuthorMax; i++ ) {
110 termlists.push('<a href="#" onclick="limitQuery(\'au\', this.firstChild.nodeValue);return false;">'
111 + data.author[i].name
113 + data.author[i].freq
116 var termlist = document.getElementById("termlist");
117 replaceHtml(termlist, termlists.join(''));
120 function my_onrecord(data) {
121 // FIXME: record is async!!
122 clearTimeout(my_paz.recordTimer);
123 // in case on_show was faster to redraw element
124 var detRecordDiv = document.getElementById('det_'+data.recid);
125 if (detRecordDiv) return;
126 curDetRecData = data;
127 var recordDiv = document.getElementById('recdiv_'+curDetRecData.recid);
128 var html = renderDetails(curDetRecData);
129 recordDiv.innerHTML += html;
132 function my_onbytarget(data) {
133 var targetDiv = document.getElementById("bytarget");
134 var table ='<table><thead><tr><td>Target ID</td><td>Hits</td><td>Diags</td>'
135 +'<td>Records</td><td>State</td></tr></thead><tbody>';
137 for (var i = 0; i < data.length; i++ ) {
138 table += "<tr><td>" + data[i].id +
139 "</td><td>" + data[i].hits +
140 "</td><td>" + data[i].diagnostic +
141 "</td><td>" + data[i].records +
142 "</td><td>" + data[i].state + "</td></tr>";
145 table += '</tbody></table>';
146 targetDiv.innerHTML = table;
149 ////////////////////////////////////////////////////////////////////////////////
150 ////////////////////////////////////////////////////////////////////////////////
152 // wait until the DOM is ready
155 document.search.onsubmit = onFormSubmitEventHandler;
156 document.search.query.value = '';
157 document.select.sort.onchange = onSelectDdChange;
158 document.select.perpage.onchange = onSelectDdChange;
161 // when search button pressed
162 function onFormSubmitEventHandler()
171 function onSelectDdChange()
173 if (!submitted) return false;
176 my_paz.show(0, recPerPage, curSort);
186 function triggerSearch ()
188 my_paz.search(document.search.query.value, recPerPage, curSort, curFilter);
191 function loadSelect ()
193 curSort = document.select.sort.value;
194 recPerPage = document.select.perpage.value;
197 // limit the query after clicking the facet
198 function limitQuery (field, value)
200 document.search.query.value += ' and ' + field + '="' + value + '"';
201 onFormSubmitEventHandler();
204 // limit by target functions
205 function limitTarget (id, name)
207 var navi = document.getElementById('navi');
209 'Source: <a class="crossout" href="#" onclick="delimitTarget();return false;">'
211 navi.innerHTML += '<hr/>';
212 curFilter = 'pz:id=' + id;
219 function delimitTarget ()
221 var navi = document.getElementById('navi');
230 function drawPager (pagerDiv)
232 //client indexes pages from 1 but pz2 from 0
234 var pages = Math.ceil(totalRec / recPerPage);
236 var firstClkbl = ( curPage - onsides > 0 )
240 var lastClkbl = firstClkbl + 2*onsides < pages
241 ? firstClkbl + 2*onsides
244 var prev = '<span id="prev"><< Prev</span><b> | </b>';
246 var prev = '<a href="#" id="prev" onclick="pagerPrev();">'
247 +'<< Prev</a><b> | </b>';
250 for(var i = firstClkbl; i <= lastClkbl; i++) {
253 numLabel = '<b>' + i + '</b>';
255 middle += '<a href="#" onclick="showPage(' + i + ')"> '
256 + numLabel + ' </a>';
259 var next = '<b> | </b><span id="next">Next >></span>';
260 if (pages - curPage > 0)
261 var next = '<b> | </b><a href="#" id="next" onclick="pagerNext()">'
262 +'Next >></a>';
269 if (lastClkbl < pages)
272 pagerDiv.innerHTML += '<div style="float: clear">'
273 + prev + predots + middle + postdots + next + '</div><hr/>';
276 function showPage (pageNum)
279 my_paz.showPage( curPage - 1 );
282 // simple paging functions
284 function pagerNext() {
285 if ( totalRec - recPerPage*curPage > 0) {
291 function pagerPrev() {
292 if ( my_paz.showPrev() != false )
296 // swithing view between targets and records
298 function switchView(view) {
300 var targets = document.getElementById('targetview');
301 var records = document.getElementById('recordview');
305 targets.style.display = "block";
306 records.style.display = "none";
309 targets.style.display = "none";
310 records.style.display = "block";
313 alert('Unknown view.');
317 // detailed record drawing
318 function showDetails (prefixRecId) {
319 var recId = prefixRecId.replace('rec_', '');
320 var oldRecId = curDetRecId;
323 // remove current detailed view if any
324 var detRecordDiv = document.getElementById('det_'+oldRecId);
327 detRecordDiv.parentNode.removeChild(detRecordDiv);
329 // if the same clicked, just hide
330 if (recId == oldRecId) {
332 curDetRecData = null;
335 // request the record
336 my_paz.record(recId);
339 function replaceHtml(el, html) {
340 var oldEl = typeof el === "string" ? document.getElementById(el) : el;
341 /*@cc_on // Pure innerHTML is slightly faster in IE
342 oldEl.innerHTML = html;
345 var newEl = oldEl.cloneNode(false);
346 newEl.innerHTML = html;
347 oldEl.parentNode.replaceChild(newEl, oldEl);
348 /* Since we just removed the old element from the DOM, return a reference
349 to the new element, which can be used to restore variable references. */
353 function renderDetails(data, marker)
355 var details = '<div class="details" id="det_'+data.recid+'"><table>';
356 if (marker) details += '<tr><td>'+ marker + '</td></tr>';
357 if (data["md-title"] != undefined) {
358 details += '<tr><td><b>Title</b></td><td><b>:</b> '+data["md-title"];
359 if (data["md-title-remainder"] !== undefined) {
360 details += ' : <span>' + data["md-title-remainder"] + ' </span>';
362 if (data["md-title-responsibility"] !== undefined) {
363 details += ' <span><i>'+ data["md-title-responsibility"] +'</i></span>';
365 details += '</td></tr>';
367 if (data["md-date"] != undefined)
368 details += '<tr><td><b>Date</b></td><td><b>:</b> ' + data["md-date"] + '</td></tr>';
369 if (data["md-author"] != undefined)
370 details += '<tr><td><b>Author</b></td><td><b>:</b> ' + data["md-author"] + '</td></tr>';
371 if (data["md-electronic-url"] != undefined)
372 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>';
373 if (data["location"][0]["md-subject"] != undefined)
374 details += '<tr><td><b>Subject</b></td><td><b>:</b> ' + data["location"][0]["md-subject"] + '</td></tr>';
375 if (data["location"][0]["@name"] != undefined)
376 details += '<tr><td><b>Location</b></td><td><b>:</b> ' + data["location"][0]["@name"] + " (" +data["location"][0]["@id"] + ")" + '</td></tr>';
377 details += '</table></div>';