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 var showResponseType = '';
11 if (document.location.hash == '#useproxy') {
13 pazpar2path = '/service-proxy/';
14 showResponseType = 'json';
17 my_paz = new pz2( { "onshow": my_onshow,
18 "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
19 "pazpar2path": pazpar2path,
23 "termlist": "xtargets,subject,author",
24 "onbytarget": my_onbytarget,
25 "usesessions" : usesessions,
26 "showResponseType": showResponseType,
27 "onrecord": my_onrecord } );
33 var curDetRecData = null;
34 var curSort = 'relevance';
36 var submitted = false;
42 // pz2.js event handlers:
44 function my_oninit() {
49 function my_onshow(data) {
50 totalRec = data.merged;
52 var pager = document.getElementById("pager");
54 pager.innerHTML +='<hr/><div style="float: right">Displaying: '
55 + (data.start + 1) + ' to ' + (data.start + data.num) +
56 ' of ' + data.merged + ' (found: '
57 + data.total + ')</div>';
60 var results = document.getElementById("results");
63 for (var i = 0; i < data.hits.length; i++) {
64 var hit = data.hits[i];
65 html.push('<div class="record" id="recdiv_'+hit.recid+'" >'
66 +'<span>'+ (i + 1 + recPerPage * (curPage - 1)) +'. </span>'
67 +'<a href="#" id="rec_'+hit.recid
68 +'" onclick="showDetails(this.id);return false;"><b>'
69 + hit["md-title"] +' </b></a>');
70 if (hit["md-title-remainder"] !== undefined) {
71 html.push('<span>' + hit["md-title-remainder"] + ' </span>');
73 if (hit["md-title-responsibility"] !== undefined) {
74 html.push('<span><i>'+hit["md-title-responsibility"]+'</i></span>');
76 if (hit.recid == curDetRecId) {
77 html.push(renderDetails(curDetRecData));
81 replaceHtml(results, html.join(''));
84 function my_onstat(data) {
85 var stat = document.getElementById("stat");
89 stat.innerHTML = '<b> .:STATUS INFO</b> -- Active clients: '
91 + '/' + data.clients + ' -- </span>'
92 + '<span>Retrieved records: ' + data.records
93 + '/' + data.hits + ' :.</span>';
96 function my_onterm(data) {
98 termlists.push('<hr/><b>TERMLISTS:</b><hr/><div class="termtitle">.::Sources</div>');
99 for (var i = 0; i < data.xtargets.length && i < SourceMax; i++ ) {
100 termlists.push('<a href="#" target_id='+data.xtargets[i].id
101 + ' onclick="limitTarget(this.getAttribute(\'target_id\'), this.firstChild.nodeValue);return false;">' + data.xtargets[i].name
102 + ' </a><span> (' + data.xtargets[i].freq + ')</span><br/>');
105 termlists.push('<hr/><div class="termtitle">.::Subjects</div>');
106 for (var i = 0; i < data.subject.length && i < SubjectMax; i++ ) {
107 termlists.push('<a href="#" onclick="limitQuery(\'su\', this.firstChild.nodeValue);return false;">' + data.subject[i].name + '</a><span> ('
108 + data.subject[i].freq + ')</span><br/>');
111 termlists.push('<hr/><div class="termtitle">.::Authors</div>');
112 for (var i = 0; i < data.author.length && i < AuthorMax; i++ ) {
113 termlists.push('<a href="#" onclick="limitQuery(\'au\', this.firstChild.nodeValue);return false;">'
114 + data.author[i].name
116 + data.author[i].freq
119 var termlist = document.getElementById("termlist");
120 replaceHtml(termlist, termlists.join(''));
123 function my_onrecord(data) {
124 // FIXME: record is async!!
125 clearTimeout(my_paz.recordTimer);
126 // in case on_show was faster to redraw element
127 var detRecordDiv = document.getElementById('det_'+data.recid);
128 if (detRecordDiv) return;
129 curDetRecData = data;
130 var recordDiv = document.getElementById('recdiv_'+curDetRecData.recid);
131 var html = renderDetails(curDetRecData);
132 recordDiv.innerHTML += html;
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_', '');
323 var oldRecId = curDetRecId;
326 // remove current detailed view if any
327 var detRecordDiv = document.getElementById('det_'+oldRecId);
330 detRecordDiv.parentNode.removeChild(detRecordDiv);
332 // if the same clicked, just hide
333 if (recId == oldRecId) {
335 curDetRecData = null;
338 // request the record
339 my_paz.record(recId);
342 function replaceHtml(el, html) {
343 var oldEl = typeof el === "string" ? document.getElementById(el) : el;
344 /*@cc_on // Pure innerHTML is slightly faster in IE
345 oldEl.innerHTML = html;
348 var newEl = oldEl.cloneNode(false);
349 newEl.innerHTML = html;
350 oldEl.parentNode.replaceChild(newEl, oldEl);
351 /* Since we just removed the old element from the DOM, return a reference
352 to the new element, which can be used to restore variable references. */
356 function renderDetails(data, marker)
358 var details = '<div class="details" id="det_'+data.recid+'"><table>';
359 if (marker) details += '<tr><td>'+ marker + '</td></tr>';
360 if (data["md-title"] != undefined) {
361 details += '<tr><td><b>Title</b></td><td><b>:</b> '+data["md-title"];
362 if (data["md-title-remainder"] !== undefined) {
363 details += ' : <span>' + data["md-title-remainder"] + ' </span>';
365 if (data["md-title-responsibility"] !== undefined) {
366 details += ' <span><i>'+ data["md-title-responsibility"] +'</i></span>';
368 details += '</td></tr>';
370 if (data["md-date"] != undefined)
371 details += '<tr><td><b>Date</b></td><td><b>:</b> ' + data["md-date"] + '</td></tr>';
372 if (data["md-author"] != undefined)
373 details += '<tr><td><b>Author</b></td><td><b>:</b> ' + data["md-author"] + '</td></tr>';
374 if (data["md-electronic-url"] != undefined)
375 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>';
376 if (data["location"][0]["md-subject"] != undefined)
377 details += '<tr><td><b>Subject</b></td><td><b>:</b> ' + data["location"][0]["md-subject"] + '</td></tr>';
378 if (data["location"][0]["@name"] != undefined)
379 details += '<tr><td><b>Location</b></td><td><b>:</b> ' + data["location"][0]["@name"] + " (" +data["location"][0]["@id"] + ")" + '</td></tr>';
380 details += '</table></div>';