1 /* A very simple client that shows a basic usage of the pz2.js
2 ** $Id: example_client.js,v 1.4 2007-05-21 08:21:33 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
9 my_paz = new pz2( { "onshow": my_onshow,
10 "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
13 "termlist": "subject,author",
14 "onbytarget": my_onbytarget,
15 "onrecord": my_onrecord } );
21 var curDetRecData = null;
23 // wait until the DOM is ready
26 document.search.onsubmit = onFormSubmitEventHandler;
31 // when search button pressed
32 function onFormSubmitEventHandler()
37 my_paz.search(document.search.query.value, recPerPage, 'relevance');
42 // pz2.js event handlers:
45 function my_onshow(data) {
46 totalRec = data.merged;
48 var body = document.getElementById("body");
51 body.innerHTML +='<hr/><div style="float: right">Displaying: '
52 + data.start + ' to ' + (data.start + data.num) +
53 ' of ' + data.merged + ' (total not merged hits: '
54 + data.total + ')</div>';
56 body.innerHTML += '<div style="float: clear"><span class="jslink" id="prev" onclick="pagerPrev();">'
57 +'<< Prev</span> <b>|</b> '
58 +'<span class="jslink" id="next" onclick="pagerNext()">'
59 +'Next >></span></div><hr/>';
61 for (var i = 0; i < data.hits.length; i++) {
62 var hit = data.hits[i];
63 body.innerHTML += '<div class="record" id="rec_' + hit.recid + '" onclick="showDetails(this.id)">'
64 +'<span>' + (i + 1 + recPerPage * ( curPage - 1)) + '. </span>'
65 +'<span class="jslink"><b>' + hit["md-title"] +
66 ' </b></span> by <span><i>' + hit["md-author"] + '</i></span></div>';
68 if ( hit.recid == curDetRecId ) {
75 function my_onstat(data) {
76 var stat = document.getElementById("stat");
77 stat.innerHTML = '<span>Active clients: '+ data.activeclients
78 + '/' + data.clients + ' | </span>'
79 + '<span>Retrieved records: ' + data.records
80 + '/' + data.hits + '</span>';
83 function my_onterm(data) {
84 var termlist = document.getElementById("termlist");
85 termlist.innerHTML = "<hr/><b>TERMLISTS:</b><hr/>";
86 termlist.innerHTML += '<div class="termtitle">.::Subjects</div>';
87 for (var i = 0; i < data.subject.length; i++ ) {
88 termlist.innerHTML += '<span>'
89 + data.subject[i].name
91 + data.subject[i].freq
94 termlist.innerHTML += "<hr/>";
95 termlist.innerHTML += '<div class="termtitle">.::Authors</div>';
96 for (var i = 0; i < data.author.length; i++ ) {
97 termlist.innerHTML += '<span>'
100 + data.author[i].freq
106 function my_onrecord(data) {
107 // in case on_show was faster to redraw element
108 var detRecordDiv = document.getElementById('det_'+data.recid);
112 curDetRecData = data;
116 function my_onbytarget(data) {
117 var targetDiv = document.getElementById("bytarget");
118 var table = '<thead><tr><td>Target ID</td><td>Hits</td><td>Diags</td>'
119 +'<td>Records</td><td>State</td></tr></thead><tbody>';
121 for (var i = 0; i < data.length; i++ ) {
122 table += "<tr><td>" + data[i].id +
123 "</td><td>" + data[i].hits +
124 "</td><td>" + data[i].diagnostic +
125 "</td><td>" + data[i].records +
126 "</td><td>" + data[i].state + "</td></tr>";
130 targetDiv.innerHTML = table;
134 // detailed record drawing
135 function showDetails ( prefixRecId ) {
136 var recId = Number(prefixRecId.replace('rec_', ''));
138 // remove current detailed view if any
139 var detRecordDiv = document.getElementById('det_'+curDetRecId);
142 detRecordDiv.parentNode.removeChild(detRecordDiv);
144 // if the same clicked do not redraw
145 if ( recId == curDetRecId ) {
152 // request the record
153 my_paz.record(recId);
156 function drawCurDetails ()
158 var data = curDetRecData;
159 var recordDiv = document.getElementById('rec_'+data.recid);
160 recordDiv.innerHTML += '<div class="details" id="det_'+data.recid+
161 '"><table><tr><td><b>Ttle</b></td><td><b>:</b> '+data["md-title"] +
162 "</td></tr><tr><td><b>Date</b></td><td><b>:</b> " + data["md-date"] +
163 "</td></tr><tr><td><b>Author</b></td><td><b>:</b> " + data["md-author"] +
164 "</td></tr><tr><td><b>Subject</b></td><td><b>:</b> " + data["md-subject"] +
165 "</td></tr><tr><td><b>Location</b></td><td><b>:</b> " + data["location"][0].name +
166 "</td></tr></table></div>";
170 // simple paging functions
172 function pagerNext() {
173 if ( totalRec - recPerPage*curPage > 0) {
179 function pagerPrev() {
180 if ( my_paz.showPrev() != false )
184 // swithing view between targets and records
186 function switchView(view) {
188 var targets = document.getElementById('targetview');
189 var records = document.getElementById('recordview');
193 targets.style.display = "block";
194 records.style.display = "none";
197 targets.style.display = "none";
198 records.style.display = "block";
201 alert('Unknown view.');