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
8 var pazpar2URL = "/pazpar2/search.pz2";
9 var serviceProxyURL = "/service-proxy/";
10 var authURLServiceProxy = "/service-proxy-auth";
11 var pazpar2path = useServiceProxy ? serviceProxyURL : pazpar2URL;
15 var showResponseType = '';
16 if (document.location.hash == '#useproxy') {
18 pazpar2path = '/service-proxy/';
19 showResponseType = 'json';
21 if (useServiceProxy) {
25 var my_paz = new pz2( { "onshow": my_onshow,
26 "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
27 "pazpar2path": pazpar2path,
31 "termlist": "xtargets,subject,author",
32 "onbytarget": my_onbytarget,
33 "usesessions" : usesessions,
34 "showResponseType": showResponseType,
35 "onrecord": my_onrecord } );
41 var curDetRecData = null;
42 var curSort = 'relevance';
44 var submitted = false;
50 // pz2.js event handlers:
52 function my_oninit() {
57 function my_onshow(data) {
58 totalRec = data.merged;
60 var pager = document.getElementById("pager");
62 pager.innerHTML +='<hr/><div style="float: right">Displaying: '
63 + (data.start + 1) + ' to ' + (data.start + data.num) +
64 ' of ' + data.merged + ' (found: '
65 + data.total + ')</div>';
68 var results = document.getElementById("results");
71 for (var i = 0; i < data.hits.length; i++) {
72 var hit = data.hits[i];
73 html.push('<div class="record" id="recdiv_'+hit.recid+'" >'
74 +'<span>'+ (i + 1 + recPerPage * (curPage - 1)) +'. </span>'
75 +'<a href="#" id="rec_'+hit.recid
76 +'" onclick="showDetails(this.id);return false;"><b>'
77 + hit["md-title"] +' </b></a>');
78 if (hit["md-title-remainder"] !== undefined) {
79 html.push('<span>' + hit["md-title-remainder"] + ' </span>');
81 if (hit["md-title-responsibility"] !== undefined) {
82 html.push('<span><i>'+hit["md-title-responsibility"]+'</i></span>');
84 if (hit.recid == curDetRecId) {
85 html.push(renderDetails(curDetRecData));
89 replaceHtml(results, html.join(''));
92 function my_onstat(data) {
93 var stat = document.getElementById("stat");
97 stat.innerHTML = '<b> .:STATUS INFO</b> -- Active clients: '
99 + '/' + data.clients + ' -- </span>'
100 + '<span>Retrieved records: ' + data.records
103 + (useServiceProxy ? 'service proxy' : 'pazpar2')
107 function my_onterm(data) {
109 termlists.push('<hr/><b>TERMLISTS:</b><hr/><div class="termtitle">.::Sources</div>');
110 for (var i = 0; i < data.xtargets.length && i < SourceMax; i++ ) {
111 termlists.push('<a href="#" target_id='+data.xtargets[i].id
112 + ' onclick="limitTarget(this.getAttribute(\'target_id\'), this.firstChild.nodeValue);return false;">' + data.xtargets[i].name
113 + ' </a><span> (' + data.xtargets[i].freq + ')</span><br/>');
116 termlists.push('<hr/><div class="termtitle">.::Subjects</div>');
117 for (var i = 0; i < data.subject.length && i < SubjectMax; i++ ) {
118 termlists.push('<a href="#" onclick="limitQuery(\'su\', this.firstChild.nodeValue);return false;">' + data.subject[i].name + '</a><span> ('
119 + data.subject[i].freq + ')</span><br/>');
122 termlists.push('<hr/><div class="termtitle">.::Authors</div>');
123 for (var i = 0; i < data.author.length && i < AuthorMax; i++ ) {
124 termlists.push('<a href="#" onclick="limitQuery(\'au\', this.firstChild.nodeValue);return false;">'
125 + data.author[i].name
127 + data.author[i].freq
130 var termlist = document.getElementById("termlist");
131 replaceHtml(termlist, termlists.join(''));
134 function my_onrecord(data) {
135 // FIXME: record is async!!
136 clearTimeout(my_paz.recordTimer);
137 // in case on_show was faster to redraw element
138 var detRecordDiv = document.getElementById('det_'+data.recid);
139 if (detRecordDiv) return;
140 curDetRecData = data;
141 var recordDiv = document.getElementById('recdiv_'+curDetRecData.recid);
142 var html = renderDetails(curDetRecData);
143 recordDiv.innerHTML += html;
146 function my_onbytarget(data) {
147 var targetDiv = document.getElementById("bytarget");
148 var table ='<table><thead><tr><td>Target ID</td><td>Hits</td><td>Diags</td>'
149 +'<td>Records</td><td>State</td></tr></thead><tbody>';
151 for (var i = 0; i < data.length; i++ ) {
152 table += "<tr><td>" + data[i].id +
153 "</td><td>" + data[i].hits +
154 "</td><td>" + data[i].diagnostic +
155 "</td><td>" + data[i].records +
156 "</td><td>" + data[i].state + "</td></tr>";
159 table += '</tbody></table>';
160 targetDiv.innerHTML = table;
163 ////////////////////////////////////////////////////////////////////////////////
164 ////////////////////////////////////////////////////////////////////////////////
166 // wait until the DOM is ready
169 document.search.onsubmit = onFormSubmitEventHandler;
170 document.search.query.value = '';
171 document.select.sort.onchange = onSelectDdChange;
172 document.select.perpage.onchange = onSelectDdChange;
175 // when search button pressed
176 function onFormSubmitEventHandler()
185 function onSelectDdChange()
187 if (!submitted) return false;
190 my_paz.show(0, recPerPage, curSort);
200 function triggerSearch ()
202 my_paz.search(document.search.query.value, recPerPage, curSort, curFilter);
205 function loadSelect ()
207 curSort = document.select.sort.value;
208 recPerPage = document.select.perpage.value;
211 // limit the query after clicking the facet
212 function limitQuery (field, value)
214 document.search.query.value += ' and ' + field + '="' + value + '"';
215 onFormSubmitEventHandler();
218 // limit by target functions
219 function limitTarget (id, name)
221 var navi = document.getElementById('navi');
223 'Source: <a class="crossout" href="#" onclick="delimitTarget();return false;">'
225 navi.innerHTML += '<hr/>';
226 curFilter = 'pz:id=' + id;
233 function delimitTarget ()
235 var navi = document.getElementById('navi');
244 function drawPager (pagerDiv)
246 //client indexes pages from 1 but pz2 from 0
248 var pages = Math.ceil(totalRec / recPerPage);
250 var firstClkbl = ( curPage - onsides > 0 )
254 var lastClkbl = firstClkbl + 2*onsides < pages
255 ? firstClkbl + 2*onsides
258 var prev = '<span id="prev"><< Prev</span><b> | </b>';
260 prev = '<a href="#" id="prev" onclick="pagerPrev();">'
261 +'<< Prev</a><b> | </b>';
264 for(var i = firstClkbl; i <= lastClkbl; i++) {
267 numLabel = '<b>' + i + '</b>';
269 middle += '<a href="#" onclick="showPage(' + i + ')"> '
270 + numLabel + ' </a>';
273 var next = '<b> | </b><span id="next">Next >></span>';
274 if (pages - curPage > 0)
275 next = '<b> | </b><a href="#" id="next" onclick="pagerNext()">'
276 +'Next >></a>';
283 if (lastClkbl < pages)
286 pagerDiv.innerHTML += '<div style="float: clear">'
287 + prev + predots + middle + postdots + next + '</div><hr/>';
290 function showPage (pageNum)
293 my_paz.showPage( curPage - 1 );
296 // simple paging functions
298 function pagerNext() {
299 if ( totalRec - recPerPage*curPage > 0) {
305 function pagerPrev() {
306 if ( my_paz.showPrev() != false )
310 // swithing view between targets and records
312 function switchView(view) {
314 var targets = document.getElementById('targetview');
315 var records = document.getElementById('recordview');
319 targets.style.display = "block";
320 records.style.display = "none";
323 targets.style.display = "none";
324 records.style.display = "block";
327 alert('Unknown view.');
331 // detailed record drawing
332 function showDetails (prefixRecId) {
333 var recId = prefixRecId.replace('rec_', '');
334 var oldRecId = curDetRecId;
337 // remove current detailed view if any
338 var detRecordDiv = document.getElementById('det_'+oldRecId);
341 detRecordDiv.parentNode.removeChild(detRecordDiv);
343 // if the same clicked, just hide
344 if (recId == oldRecId) {
346 curDetRecData = null;
349 // request the record
350 my_paz.record(recId);
353 function replaceHtml(el, html) {
354 var oldEl = typeof el === "string" ? document.getElementById(el) : el;
355 /*@cc_on // Pure innerHTML is slightly faster in IE
356 oldEl.innerHTML = html;
359 var newEl = oldEl.cloneNode(false);
360 newEl.innerHTML = html;
361 oldEl.parentNode.replaceChild(newEl, oldEl);
362 /* Since we just removed the old element from the DOM, return a reference
363 to the new element, which can be used to restore variable references. */
367 function renderDetails(data, marker)
369 var details = '<div class="details" id="det_'+data.recid+'"><table>';
370 if (marker) details += '<tr><td>'+ marker + '</td></tr>';
371 if (data["md-title"] != undefined) {
372 details += '<tr><td><b>Title</b></td><td><b>:</b> '+data["md-title"];
373 if (data["md-title-remainder"] !== undefined) {
374 details += ' : <span>' + data["md-title-remainder"] + ' </span>';
376 if (data["md-title-responsibility"] !== undefined) {
377 details += ' <span><i>'+ data["md-title-responsibility"] +'</i></span>';
379 details += '</td></tr>';
381 if (data["md-date"] != undefined)
382 details += '<tr><td><b>Date</b></td><td><b>:</b> ' + data["md-date"] + '</td></tr>';
383 if (data["md-author"] != undefined)
384 details += '<tr><td><b>Author</b></td><td><b>:</b> ' + data["md-author"] + '</td></tr>';
385 if (data["md-electronic-url"] != undefined)
386 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>';
387 if (data["location"][0]["md-subject"] != undefined)
388 details += '<tr><td><b>Subject</b></td><td><b>:</b> ' + data["location"][0]["md-subject"] + '</td></tr>';
389 if (data["location"][0]["@name"] != undefined)
390 details += '<tr><td><b>Location</b></td><td><b>:</b> ' + data["location"][0]["@name"] + " (" +data["location"][0]["@id"] + ")" + '</td></tr>';
391 details += '</table></div>';