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
101 + '/' + data.hits + ' :.</span>';
104 function my_onterm(data) {
106 termlists.push('<hr/><b>TERMLISTS:</b><hr/><div class="termtitle">.::Sources</div>');
107 for (var i = 0; i < data.xtargets.length && i < SourceMax; i++ ) {
108 termlists.push('<a href="#" target_id='+data.xtargets[i].id
109 + ' onclick="limitTarget(this.getAttribute(\'target_id\'), this.firstChild.nodeValue);return false;">' + data.xtargets[i].name
110 + ' </a><span> (' + data.xtargets[i].freq + ')</span><br/>');
113 termlists.push('<hr/><div class="termtitle">.::Subjects</div>');
114 for (var i = 0; i < data.subject.length && i < SubjectMax; i++ ) {
115 termlists.push('<a href="#" onclick="limitQuery(\'su\', this.firstChild.nodeValue);return false;">' + data.subject[i].name + '</a><span> ('
116 + data.subject[i].freq + ')</span><br/>');
119 termlists.push('<hr/><div class="termtitle">.::Authors</div>');
120 for (var i = 0; i < data.author.length && i < AuthorMax; i++ ) {
121 termlists.push('<a href="#" onclick="limitQuery(\'au\', this.firstChild.nodeValue);return false;">'
122 + data.author[i].name
124 + data.author[i].freq
127 var termlist = document.getElementById("termlist");
128 replaceHtml(termlist, termlists.join(''));
131 function my_onrecord(data) {
132 // FIXME: record is async!!
133 clearTimeout(my_paz.recordTimer);
134 // in case on_show was faster to redraw element
135 var detRecordDiv = document.getElementById('det_'+data.recid);
136 if (detRecordDiv) return;
137 curDetRecData = data;
138 var recordDiv = document.getElementById('recdiv_'+curDetRecData.recid);
139 var html = renderDetails(curDetRecData);
140 recordDiv.innerHTML += html;
143 function my_onbytarget(data) {
144 var targetDiv = document.getElementById("bytarget");
145 var table ='<table><thead><tr><td>Target ID</td><td>Hits</td><td>Diags</td>'
146 +'<td>Records</td><td>State</td></tr></thead><tbody>';
148 for (var i = 0; i < data.length; i++ ) {
149 table += "<tr><td>" + data[i].id +
150 "</td><td>" + data[i].hits +
151 "</td><td>" + data[i].diagnostic +
152 "</td><td>" + data[i].records +
153 "</td><td>" + data[i].state + "</td></tr>";
156 table += '</tbody></table>';
157 targetDiv.innerHTML = table;
160 ////////////////////////////////////////////////////////////////////////////////
161 ////////////////////////////////////////////////////////////////////////////////
163 // wait until the DOM is ready
166 document.search.onsubmit = onFormSubmitEventHandler;
167 document.search.query.value = '';
168 document.select.sort.onchange = onSelectDdChange;
169 document.select.perpage.onchange = onSelectDdChange;
172 // when search button pressed
173 function onFormSubmitEventHandler()
182 function onSelectDdChange()
184 if (!submitted) return false;
187 my_paz.show(0, recPerPage, curSort);
197 function triggerSearch ()
199 my_paz.search(document.search.query.value, recPerPage, curSort, curFilter);
202 function loadSelect ()
204 curSort = document.select.sort.value;
205 recPerPage = document.select.perpage.value;
208 // limit the query after clicking the facet
209 function limitQuery (field, value)
211 document.search.query.value += ' and ' + field + '="' + value + '"';
212 onFormSubmitEventHandler();
215 // limit by target functions
216 function limitTarget (id, name)
218 var navi = document.getElementById('navi');
220 'Source: <a class="crossout" href="#" onclick="delimitTarget();return false;">'
222 navi.innerHTML += '<hr/>';
223 curFilter = 'pz:id=' + id;
230 function delimitTarget ()
232 var navi = document.getElementById('navi');
241 function drawPager (pagerDiv)
243 //client indexes pages from 1 but pz2 from 0
245 var pages = Math.ceil(totalRec / recPerPage);
247 var firstClkbl = ( curPage - onsides > 0 )
251 var lastClkbl = firstClkbl + 2*onsides < pages
252 ? firstClkbl + 2*onsides
255 var prev = '<span id="prev"><< Prev</span><b> | </b>';
257 prev = '<a href="#" id="prev" onclick="pagerPrev();">'
258 +'<< Prev</a><b> | </b>';
261 for(var i = firstClkbl; i <= lastClkbl; i++) {
264 numLabel = '<b>' + i + '</b>';
266 middle += '<a href="#" onclick="showPage(' + i + ')"> '
267 + numLabel + ' </a>';
270 var next = '<b> | </b><span id="next">Next >></span>';
271 if (pages - curPage > 0)
272 next = '<b> | </b><a href="#" id="next" onclick="pagerNext()">'
273 +'Next >></a>';
280 if (lastClkbl < pages)
283 pagerDiv.innerHTML += '<div style="float: clear">'
284 + prev + predots + middle + postdots + next + '</div><hr/>';
287 function showPage (pageNum)
290 my_paz.showPage( curPage - 1 );
293 // simple paging functions
295 function pagerNext() {
296 if ( totalRec - recPerPage*curPage > 0) {
302 function pagerPrev() {
303 if ( my_paz.showPrev() != false )
307 // swithing view between targets and records
309 function switchView(view) {
311 var targets = document.getElementById('targetview');
312 var records = document.getElementById('recordview');
316 targets.style.display = "block";
317 records.style.display = "none";
320 targets.style.display = "none";
321 records.style.display = "block";
324 alert('Unknown view.');
328 // detailed record drawing
329 function showDetails (prefixRecId) {
330 var recId = prefixRecId.replace('rec_', '');
331 var oldRecId = curDetRecId;
334 // remove current detailed view if any
335 var detRecordDiv = document.getElementById('det_'+oldRecId);
338 detRecordDiv.parentNode.removeChild(detRecordDiv);
340 // if the same clicked, just hide
341 if (recId == oldRecId) {
343 curDetRecData = null;
346 // request the record
347 my_paz.record(recId);
350 function replaceHtml(el, html) {
351 var oldEl = typeof el === "string" ? document.getElementById(el) : el;
352 /*@cc_on // Pure innerHTML is slightly faster in IE
353 oldEl.innerHTML = html;
356 var newEl = oldEl.cloneNode(false);
357 newEl.innerHTML = html;
358 oldEl.parentNode.replaceChild(newEl, oldEl);
359 /* Since we just removed the old element from the DOM, return a reference
360 to the new element, which can be used to restore variable references. */
364 function renderDetails(data, marker)
366 var details = '<div class="details" id="det_'+data.recid+'"><table>';
367 if (marker) details += '<tr><td>'+ marker + '</td></tr>';
368 if (data["md-title"] != undefined) {
369 details += '<tr><td><b>Title</b></td><td><b>:</b> '+data["md-title"];
370 if (data["md-title-remainder"] !== undefined) {
371 details += ' : <span>' + data["md-title-remainder"] + ' </span>';
373 if (data["md-title-responsibility"] !== undefined) {
374 details += ' <span><i>'+ data["md-title-responsibility"] +'</i></span>';
376 details += '</td></tr>';
378 if (data["md-date"] != undefined)
379 details += '<tr><td><b>Date</b></td><td><b>:</b> ' + data["md-date"] + '</td></tr>';
380 if (data["md-author"] != undefined)
381 details += '<tr><td><b>Author</b></td><td><b>:</b> ' + data["md-author"] + '</td></tr>';
382 if (data["md-electronic-url"] != undefined)
383 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>';
384 if (data["location"][0]["md-subject"] != undefined)
385 details += '<tr><td><b>Subject</b></td><td><b>:</b> ' + data["location"][0]["md-subject"] + '</td></tr>';
386 if (data["location"][0]["@name"] != undefined)
387 details += '<tr><td><b>Location</b></td><td><b>:</b> ' + data["location"][0]["@name"] + " (" +data["location"][0]["@id"] + ")" + '</td></tr>';
388 details += '</table></div>';