1 /* A very simple client that shows a basic usage of the pz2.js
4 // create a parameters array and pass it to the pz2's constructor
5 // then register the form submit event with the pz2.search function
6 // autoInit is set to true on default
7 var usesessions = true;
8 var pazpar2path = '/pazpar2/search.pz2';
9 var showResponseType = '';
10 if (document.location.hash == '#useproxy') {
12 pazpar2path = '/service-proxy/';
13 showResponseType = 'json';
16 my_paz = new pz2( { "onshow": my_onshow,
17 "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
18 "pazpar2path": pazpar2path,
22 "termlist": "xtargets,subject,author",
23 "onbytarget": my_onbytarget,
24 "usesessions" : usesessions,
25 "showResponseType": showResponseType,
26 "onrecord": my_onrecord } );
32 var curDetRecData = null;
33 var curSort = 'relevance';
35 var submitted = false;
41 // pz2.js event handlers:
43 function my_oninit() {
48 function my_onshow(data) {
49 totalRec = data.merged;
51 var pager = document.getElementById("pager");
53 pager.innerHTML +='<hr/><div style="float: right">Displaying: '
54 + (data.start + 1) + ' to ' + (data.start + data.num) +
55 ' of ' + data.merged + ' (found: '
56 + data.total + ')</div>';
59 var results = document.getElementById("results");
62 for (var i = 0; i < data.hits.length; i++) {
63 var hit = data.hits[i];
64 html.push('<div class="record" id="recdiv_'+hit.recid+'" >'
65 +'<span>'+ (i + 1 + recPerPage * (curPage - 1)) +'. </span>'
66 +'<a href="#" id="rec_'+hit.recid
67 +'" onclick="showDetails(this.id);return false;"><b>'
68 + hit["md-title"] +' </b></a>');
69 if (hit["md-title-remainder"] !== undefined) {
70 html.push('<span>' + hit["md-title-remainder"] + ' </span>');
72 if (hit["md-title-responsibility"] !== undefined) {
73 html.push('<span><i>'+hit["md-title-responsibility"]+'</i></span>');
75 if (hit.recid == curDetRecId) {
76 html.push(renderDetails(curDetRecData));
80 replaceHtml(results, html.join(''));
83 function my_onstat(data) {
84 var stat = document.getElementById("stat");
88 stat.innerHTML = '<b> .:STATUS INFO</b> -- Active clients: '
90 + '/' + data.clients + ' -- </span>'
91 + '<span>Retrieved records: ' + data.records
92 + '/' + data.hits + ' :.</span>';
95 function my_onterm(data) {
97 termlists.push('<hr/><b>TERMLISTS:</b><hr/><div class="termtitle">.::Sources</div>');
98 for (var i = 0; i < data.xtargets.length && i < SourceMax; i++ ) {
99 termlists.push('<a href="#" target_id='+data.xtargets[i].id
100 + ' onclick="limitTarget(this.getAttribute(\'target_id\'), this.firstChild.nodeValue);return false;">' + data.xtargets[i].name
101 + ' </a><span> (' + data.xtargets[i].freq + ')</span><br/>');
104 termlists.push('<hr/><div class="termtitle">.::Subjects</div>');
105 for (var i = 0; i < data.subject.length && i < SubjectMax; i++ ) {
106 termlists.push('<a href="#" onclick="limitQuery(\'su\', this.firstChild.nodeValue);return false;">' + data.subject[i].name + '</a><span> ('
107 + data.subject[i].freq + ')</span><br/>');
110 termlists.push('<hr/><div class="termtitle">.::Authors</div>');
111 for (var i = 0; i < data.author.length && i < AuthorMax; i++ ) {
112 termlists.push('<a href="#" onclick="limitQuery(\'au\', this.firstChild.nodeValue);return false;">'
113 + data.author[i].name
115 + data.author[i].freq
118 var termlist = document.getElementById("termlist");
119 replaceHtml(termlist, termlists.join(''));
122 function my_onrecord(data) {
123 // FIXME: record is async!!
124 clearTimeout(my_paz.recordTimer);
125 // in case on_show was faster to redraw element
126 var detRecordDiv = document.getElementById('det_'+data.recid);
127 if (detRecordDiv) return;
128 curDetRecData = data;
129 var recordDiv = document.getElementById('recdiv_'+curDetRecData.recid);
130 var html = renderDetails(curDetRecData);
131 recordDiv.innerHTML += html;
134 function my_onbytarget(data) {
135 var targetDiv = document.getElementById("bytarget");
136 var table ='<table><thead><tr><td>Target ID</td><td>Hits</td><td>Diags</td>'
137 +'<td>Records</td><td>State</td></tr></thead><tbody>';
139 for (var i = 0; i < data.length; i++ ) {
140 table += "<tr><td>" + data[i].id +
141 "</td><td>" + data[i].hits +
142 "</td><td>" + data[i].diagnostic +
143 "</td><td>" + data[i].records +
144 "</td><td>" + data[i].state + "</td></tr>";
147 table += '</tbody></table>';
148 targetDiv.innerHTML = table;
151 ////////////////////////////////////////////////////////////////////////////////
152 ////////////////////////////////////////////////////////////////////////////////
154 // wait until the DOM is ready
157 document.search.onsubmit = onFormSubmitEventHandler;
158 document.search.query.value = '';
159 document.select.sort.onchange = onSelectDdChange;
160 document.select.perpage.onchange = onSelectDdChange;
163 // when search button pressed
164 function onFormSubmitEventHandler()
173 function onSelectDdChange()
175 if (!submitted) return false;
178 my_paz.show(0, recPerPage, curSort);
188 function triggerSearch ()
190 my_paz.search(document.search.query.value, recPerPage, curSort, curFilter);
193 function loadSelect ()
195 curSort = document.select.sort.value;
196 recPerPage = document.select.perpage.value;
199 // limit the query after clicking the facet
200 function limitQuery (field, value)
202 document.search.query.value += ' and ' + field + '="' + value + '"';
203 onFormSubmitEventHandler();
206 // limit by target functions
207 function limitTarget (id, name)
209 var navi = document.getElementById('navi');
211 'Source: <a class="crossout" href="#" onclick="delimitTarget();return false;">'
213 navi.innerHTML += '<hr/>';
214 curFilter = 'pz:id=' + id;
221 function delimitTarget ()
223 var navi = document.getElementById('navi');
232 function drawPager (pagerDiv)
234 //client indexes pages from 1 but pz2 from 0
236 var pages = Math.ceil(totalRec / recPerPage);
238 var firstClkbl = ( curPage - onsides > 0 )
242 var lastClkbl = firstClkbl + 2*onsides < pages
243 ? firstClkbl + 2*onsides
246 var prev = '<span id="prev"><< Prev</span><b> | </b>';
248 var prev = '<a href="#" id="prev" onclick="pagerPrev();">'
249 +'<< Prev</a><b> | </b>';
252 for(var i = firstClkbl; i <= lastClkbl; i++) {
255 numLabel = '<b>' + i + '</b>';
257 middle += '<a href="#" onclick="showPage(' + i + ')"> '
258 + numLabel + ' </a>';
261 var next = '<b> | </b><span id="next">Next >></span>';
262 if (pages - curPage > 0)
263 var next = '<b> | </b><a href="#" id="next" onclick="pagerNext()">'
264 +'Next >></a>';
271 if (lastClkbl < pages)
274 pagerDiv.innerHTML += '<div style="float: clear">'
275 + prev + predots + middle + postdots + next + '</div><hr/>';
278 function showPage (pageNum)
281 my_paz.showPage( curPage - 1 );
284 // simple paging functions
286 function pagerNext() {
287 if ( totalRec - recPerPage*curPage > 0) {
293 function pagerPrev() {
294 if ( my_paz.showPrev() != false )
298 // swithing view between targets and records
300 function switchView(view) {
302 var targets = document.getElementById('targetview');
303 var records = document.getElementById('recordview');
307 targets.style.display = "block";
308 records.style.display = "none";
311 targets.style.display = "none";
312 records.style.display = "block";
315 alert('Unknown view.');
319 // detailed record drawing
320 function showDetails (prefixRecId) {
321 var recId = prefixRecId.replace('rec_', '');
322 var oldRecId = curDetRecId;
325 // remove current detailed view if any
326 var detRecordDiv = document.getElementById('det_'+oldRecId);
329 detRecordDiv.parentNode.removeChild(detRecordDiv);
331 // if the same clicked, just hide
332 if (recId == oldRecId) {
334 curDetRecData = null;
337 // request the record
338 my_paz.record(recId);
341 function replaceHtml(el, html) {
342 var oldEl = typeof el === "string" ? document.getElementById(el) : el;
343 /*@cc_on // Pure innerHTML is slightly faster in IE
344 oldEl.innerHTML = html;
347 var newEl = oldEl.cloneNode(false);
348 newEl.innerHTML = html;
349 oldEl.parentNode.replaceChild(newEl, oldEl);
350 /* Since we just removed the old element from the DOM, return a reference
351 to the new element, which can be used to restore variable references. */
355 function renderDetails(data, marker)
357 var details = '<div class="details" id="det_'+data.recid+'"><table>';
358 if (marker) details += '<tr><td>'+ marker + '</td></tr>';
359 if (data["md-title"] != undefined) {
360 details += '<tr><td><b>Title</b></td><td><b>:</b> '+data["md-title"];
361 if (data["md-title-remainder"] !== undefined) {
362 details += ' : <span>' + data["md-title-remainder"] + ' </span>';
364 if (data["md-title-responsibility"] !== undefined) {
365 details += ' <span><i>'+ data["md-title-responsibility"] +'</i></span>';
367 details += '</td></tr>';
369 if (data["md-date"] != undefined)
370 details += '<tr><td><b>Date</b></td><td><b>:</b> ' + data["md-date"] + '</td></tr>';
371 if (data["md-author"] != undefined)
372 details += '<tr><td><b>Author</b></td><td><b>:</b> ' + data["md-author"] + '</td></tr>';
373 if (data["md-electronic-url"] != undefined)
374 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>';
375 if (data["location"][0]["md-subject"] != undefined)
376 details += '<tr><td><b>Subject</b></td><td><b>:</b> ' + data["location"][0]["md-subject"] + '</td></tr>';
377 if (data["location"][0]["@name"] != undefined)
378 details += '<tr><td><b>Location</b></td><td><b>:</b> ' + data["location"][0]["@name"] + " (" +data["location"][0]["@id"] + ")" + '</td></tr>';
379 details += '</table></div>';