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 += '<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>';
73 if (hit.recid == curDetRecId) {
74 html += renderDetails(curDetRecData);
78 replaceHtml(results, html);
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) {
94 var termlist = document.getElementById("termlist");
95 termlist.innerHTML = "<hr/><b>TERMLISTS:</b><hr/>";
97 termlist.innerHTML += '<div class="termtitle">.::Sources</div>';
98 for (var i = 0; i < data.xtargets.length && i < SourceMax; i++ ) {
99 termlist.innerHTML += '<a href="#" target_id='
100 + data.xtargets[i].id
101 + ' onclick="limitTarget(this.getAttribute(\'target_id\'), this.firstChild.nodeValue);return false;">'
102 + data.xtargets[i].name
104 + data.xtargets[i].freq
108 termlist.innerHTML += "<hr/>";
110 termlist.innerHTML += '<div class="termtitle">.::Subjects</div>';
111 for (var i = 0; i < data.subject.length && i < SubjectMax; i++ ) {
112 termlist.innerHTML += '<a href="#" onclick="limitQuery(\'su\', this.firstChild.nodeValue);return false;">'
113 + data.subject[i].name
115 + data.subject[i].freq
119 termlist.innerHTML += "<hr/>";
121 termlist.innerHTML += '<div class="termtitle">.::Authors</div>';
122 for (var i = 0; i < data.author.length && i < AuthorMax; i++ ) {
123 termlist.innerHTML += '<a href="#" onclick="limitQuery(\'au\', this.firstChild.nodeValue);return false;">'
124 + data.author[i].name
126 + data.author[i].freq
132 function my_onrecord(data) {
133 // FIXME: record is async!!
134 clearTimeout(my_paz.recordTimer);
135 // in case on_show was faster to redraw element
136 var detRecordDiv = document.getElementById('det_'+data.recid);
137 if (detRecordDiv) return;
138 curDetRecData = data;
139 var recordDiv = document.getElementById('recdiv_'+curDetRecData.recid);
140 var html = renderDetails(curDetRecData);
141 recordDiv.innerHTML += html;
144 function my_onbytarget(data) {
145 var targetDiv = document.getElementById("bytarget");
146 var table ='<table><thead><tr><td>Target ID</td><td>Hits</td><td>Diags</td>'
147 +'<td>Records</td><td>State</td></tr></thead><tbody>';
149 for (var i = 0; i < data.length; i++ ) {
150 table += "<tr><td>" + data[i].id +
151 "</td><td>" + data[i].hits +
152 "</td><td>" + data[i].diagnostic +
153 "</td><td>" + data[i].records +
154 "</td><td>" + data[i].state + "</td></tr>";
157 table += '</tbody></table>';
158 targetDiv.innerHTML = table;
161 ////////////////////////////////////////////////////////////////////////////////
162 ////////////////////////////////////////////////////////////////////////////////
164 // wait until the DOM is ready
167 document.search.onsubmit = onFormSubmitEventHandler;
168 document.search.query.value = '';
169 document.select.sort.onchange = onSelectDdChange;
170 document.select.perpage.onchange = onSelectDdChange;
173 // when search button pressed
174 function onFormSubmitEventHandler()
183 function onSelectDdChange()
185 if (!submitted) return false;
188 my_paz.show(0, recPerPage, curSort);
198 function triggerSearch ()
200 my_paz.search(document.search.query.value, recPerPage, curSort, curFilter);
203 function loadSelect ()
205 curSort = document.select.sort.value;
206 recPerPage = document.select.perpage.value;
209 // limit the query after clicking the facet
210 function limitQuery (field, value)
212 document.search.query.value += ' and ' + field + '="' + value + '"';
213 onFormSubmitEventHandler();
216 // limit by target functions
217 function limitTarget (id, name)
219 var navi = document.getElementById('navi');
221 'Source: <a class="crossout" href="#" onclick="delimitTarget();return false;">'
223 navi.innerHTML += '<hr/>';
224 curFilter = 'pz:id=' + id;
231 function delimitTarget ()
233 var navi = document.getElementById('navi');
242 function drawPager (pagerDiv)
244 //client indexes pages from 1 but pz2 from 0
246 var pages = Math.ceil(totalRec / recPerPage);
248 var firstClkbl = ( curPage - onsides > 0 )
252 var lastClkbl = firstClkbl + 2*onsides < pages
253 ? firstClkbl + 2*onsides
256 var prev = '<span id="prev"><< Prev</span><b> | </b>';
258 var prev = '<a href="#" id="prev" onclick="pagerPrev();">'
259 +'<< Prev</a><b> | </b>';
262 for(var i = firstClkbl; i <= lastClkbl; i++) {
265 numLabel = '<b>' + i + '</b>';
267 middle += '<a href="#" onclick="showPage(' + i + ')"> '
268 + numLabel + ' </a>';
271 var next = '<b> | </b><span id="next">Next >></span>';
272 if (pages - curPage > 0)
273 var next = '<b> | </b><a href="#" id="next" onclick="pagerNext()">'
274 +'Next >></a>';
281 if (lastClkbl < pages)
284 pagerDiv.innerHTML += '<div style="float: clear">'
285 + prev + predots + middle + postdots + next + '</div><hr/>';
288 function showPage (pageNum)
291 my_paz.showPage( curPage - 1 );
294 // simple paging functions
296 function pagerNext() {
297 if ( totalRec - recPerPage*curPage > 0) {
303 function pagerPrev() {
304 if ( my_paz.showPrev() != false )
308 // swithing view between targets and records
310 function switchView(view) {
312 var targets = document.getElementById('targetview');
313 var records = document.getElementById('recordview');
317 targets.style.display = "block";
318 records.style.display = "none";
321 targets.style.display = "none";
322 records.style.display = "block";
325 alert('Unknown view.');
329 // detailed record drawing
330 function showDetails (prefixRecId) {
331 var recId = prefixRecId.replace('rec_', '');
332 var oldRecId = curDetRecId;
335 // remove current detailed view if any
336 var detRecordDiv = document.getElementById('det_'+oldRecId);
339 detRecordDiv.parentNode.removeChild(detRecordDiv);
341 // if the same clicked, just hide
342 if (recId == oldRecId) {
344 curDetRecData = null;
347 // request the record
348 my_paz.record(recId);
351 function replaceHtml(el, html) {
352 var oldEl = typeof el === "string" ? document.getElementById(el) : el;
353 /*@cc_on // Pure innerHTML is slightly faster in IE
354 oldEl.innerHTML = html;
357 var newEl = oldEl.cloneNode(false);
358 newEl.innerHTML = html;
359 oldEl.parentNode.replaceChild(newEl, oldEl);
360 /* Since we just removed the old element from the DOM, return a reference
361 to the new element, which can be used to restore variable references. */
365 function renderDetails(data, marker)
367 var details = '<div class="details" id="det_'+data.recid+'"><table>';
368 if (marker) details += '<tr><td>'+ marker + '</td></tr>';
369 if (data["md-title"] != undefined) {
370 details += '<tr><td><b>Title</b></td><td><b>:</b> '+data["md-title"];
371 if (data["md-title-remainder"] !== undefined) {
372 details += ' : <span>' + data["md-title-remainder"] + ' </span>';
374 if (data["md-title-responsibility"] !== undefined) {
375 details += ' <span><i>'+ data["md-title-responsibility"] +'</i></span>';
377 details += '</td></tr>';
379 if (data["md-date"] != undefined)
380 details += '<tr><td><b>Date</b></td><td><b>:</b> ' + data["md-date"] + '</td></tr>';
381 if (data["md-author"] != undefined)
382 details += '<tr><td><b>Author</b></td><td><b>:</b> ' + data["md-author"] + '</td></tr>';
383 if (data["md-electronic-url"] != undefined)
384 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>';
385 if (data["location"][0]["md-subject"] != undefined)
386 details += '<tr><td><b>Subject</b></td><td><b>:</b> ' + data["location"][0]["md-subject"] + '</td></tr>';
387 if (data["location"][0]["@name"] != undefined)
388 details += '<tr><td><b>Location</b></td><td><b>:</b> ' + data["location"][0]["@name"] + " (" +data["location"][0]["@id"] + ")" + '</td></tr>';
389 details += '</table></div>';