/* A very simple client that shows a basic usage of the pz2.js
-** $Id: example_client.js,v 1.2 2007-06-22 10:54:46 adam Exp $
*/
// create a parameters array and pass it to the pz2's constructor
// then register the form submit event with the pz2.search function
// autoInit is set to true on default
+var usesessions = true;
+var pazpar2path = '/pazpar2/search.pz2';
+var showResponseType = '';
+if (document.location.hash == '#useproxy') {
+ usesessions = false;
+ pazpar2path = '/service-proxy/';
+ showResponseType = 'json';
+}
-my_paz = new pz2( { "onshow": my_onshow,
+var my_paz = new pz2( { "onshow": my_onshow,
"showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
- "pazpar2path": "/pazpar2/search.pz2",
+ "pazpar2path": pazpar2path,
+ "oninit": my_oninit,
"onstat": my_onstat,
"onterm": my_onterm,
- "termlist": "subject,author",
+ "termlist": "xtargets,subject,author",
"onbytarget": my_onbytarget,
- "usesessions" : true,
+ "usesessions" : usesessions,
+ "showResponseType": showResponseType,
"onrecord": my_onrecord } );
// some state vars
var curPage = 1;
var recPerPage = 20;
var totalRec = 0;
-var curDetRecId = -1;
+var curDetRecId = '';
var curDetRecData = null;
-
-// wait until the DOM is ready
-function domReady ()
-{
- document.search.onsubmit = onFormSubmitEventHandler;
- my_paz.stat();
- my_paz.bytarget();
-}
-
-// when search button pressed
-function onFormSubmitEventHandler()
-{
- curPage = 1;
- curDetRecId = -1;
- totalRec = 0;
- my_paz.search(document.search.query.value, recPerPage, 'relevance');
- return false;
-}
+var curSort = 'relevance';
+var curFilter = null;
+var submitted = false;
+var SourceMax = 16;
+var SubjectMax = 10;
+var AuthorMax = 10;
//
// pz2.js event handlers:
//
+function my_oninit() {
+ my_paz.stat();
+ my_paz.bytarget();
+}
function my_onshow(data) {
totalRec = data.merged;
-
- var body = document.getElementById("body");
- body.innerHTML = "";
-
- body.innerHTML +='<hr/><div style="float: right">Displaying: '
- + data.start + ' to ' + (data.start + data.num) +
- ' of ' + data.merged + ' (total not merged hits: '
+ // move it out
+ var pager = document.getElementById("pager");
+ pager.innerHTML = "";
+ pager.innerHTML +='<hr/><div style="float: right">Displaying: '
+ + (data.start + 1) + ' to ' + (data.start + data.num) +
+ ' of ' + data.merged + ' (found: '
+ data.total + ')</div>';
-
- body.innerHTML += '<div style="float: clear"><span class="jslink" id="prev" onclick="pagerPrev();">'
- +'<< Prev</span> <b>|</b> '
- +'<span class="jslink" id="next" onclick="pagerNext()">'
- +'Next >></span></div><hr/>';
-
+ drawPager(pager);
+ // navi
+ var results = document.getElementById("results");
+
+ var html = [];
for (var i = 0; i < data.hits.length; i++) {
var hit = data.hits[i];
- body.innerHTML += '<div class="record" id="rec_' + hit.recid + '" onclick="showDetails(this.id)">'
- +'<span>' + (i + 1 + recPerPage * ( curPage - 1)) + '. </span>'
- +'<span class="jslink"><b>' + hit["md-title"] +
- ' </b></span> by <span><i>' + hit["md-author"] + '</i></span></div>';
-
- if ( hit.recid == curDetRecId ) {
- drawCurDetails();
+ html.push('<div class="record" id="recdiv_'+hit.recid+'" >'
+ +'<span>'+ (i + 1 + recPerPage * (curPage - 1)) +'. </span>'
+ +'<a href="#" id="rec_'+hit.recid
+ +'" onclick="showDetails(this.id);return false;"><b>'
+ + hit["md-title"] +' </b></a>');
+ if (hit["md-title-remainder"] !== undefined) {
+ html.push('<span>' + hit["md-title-remainder"] + ' </span>');
+ }
+ if (hit["md-title-responsibility"] !== undefined) {
+ html.push('<span><i>'+hit["md-title-responsibility"]+'</i></span>');
+ }
+ if (hit.recid == curDetRecId) {
+ html.push(renderDetails(curDetRecData));
}
+ html.push('</div>');
}
-
+ replaceHtml(results, html.join(''));
}
function my_onstat(data) {
var stat = document.getElementById("stat");
- stat.innerHTML = '<span>Active clients: '+ data.activeclients
- + '/' + data.clients + ' | </span>'
+ if (stat == null)
+ return;
+
+ stat.innerHTML = '<b> .:STATUS INFO</b> -- Active clients: '
+ + data.activeclients
+ + '/' + data.clients + ' -- </span>'
+ '<span>Retrieved records: ' + data.records
- + '/' + data.hits + '</span>';
+ + '/' + data.hits + ' :.</span>';
}
function my_onterm(data) {
- var termlist = document.getElementById("termlist");
- termlist.innerHTML = "<hr/><b>TERMLISTS:</b><hr/>";
- termlist.innerHTML += '<div class="termtitle">.::Subjects</div>';
- for (var i = 0; i < data.subject.length; i++ ) {
- termlist.innerHTML += '<span>'
- + data.subject[i].name
- + ' </span><span> ('
- + data.subject[i].freq
- + ')</span><br/>';
+ var termlists = [];
+ termlists.push('<hr/><b>TERMLISTS:</b><hr/><div class="termtitle">.::Sources</div>');
+ for (var i = 0; i < data.xtargets.length && i < SourceMax; i++ ) {
+ termlists.push('<a href="#" target_id='+data.xtargets[i].id
+ + ' onclick="limitTarget(this.getAttribute(\'target_id\'), this.firstChild.nodeValue);return false;">' + data.xtargets[i].name
+ + ' </a><span> (' + data.xtargets[i].freq + ')</span><br/>');
}
- termlist.innerHTML += "<hr/>";
- termlist.innerHTML += '<div class="termtitle">.::Authors</div>';
- for (var i = 0; i < data.author.length; i++ ) {
- termlist.innerHTML += '<span>'
+
+ termlists.push('<hr/><div class="termtitle">.::Subjects</div>');
+ for (var i = 0; i < data.subject.length && i < SubjectMax; i++ ) {
+ termlists.push('<a href="#" onclick="limitQuery(\'su\', this.firstChild.nodeValue);return false;">' + data.subject[i].name + '</a><span> ('
+ + data.subject[i].freq + ')</span><br/>');
+ }
+
+ termlists.push('<hr/><div class="termtitle">.::Authors</div>');
+ for (var i = 0; i < data.author.length && i < AuthorMax; i++ ) {
+ termlists.push('<a href="#" onclick="limitQuery(\'au\', this.firstChild.nodeValue);return false;">'
+ data.author[i].name
- + ' </span><span> ('
+ + ' </a><span> ('
+ data.author[i].freq
- + ')</span><br/>';
+ + ')</span><br/>');
}
-
+ var termlist = document.getElementById("termlist");
+ replaceHtml(termlist, termlists.join(''));
}
function my_onrecord(data) {
+ // FIXME: record is async!!
+ clearTimeout(my_paz.recordTimer);
// in case on_show was faster to redraw element
var detRecordDiv = document.getElementById('det_'+data.recid);
- if ( detRecordDiv )
- return;
-
+ if (detRecordDiv) return;
curDetRecData = data;
- drawCurDetails();
+ var recordDiv = document.getElementById('recdiv_'+curDetRecData.recid);
+ var html = renderDetails(curDetRecData);
+ recordDiv.innerHTML += html;
}
function my_onbytarget(data) {
var targetDiv = document.getElementById("bytarget");
- var table = '<thead><tr><td>Target ID</td><td>Hits</td><td>Diags</td>'
- +'<td>Records</td><td>State</td></tr></thead><tbody>';
+ var table ='<table><thead><tr><td>Target ID</td><td>Hits</td><td>Diags</td>'
+ +'<td>Records</td><td>State</td></tr></thead><tbody>';
for (var i = 0; i < data.length; i++ ) {
table += "<tr><td>" + data[i].id +
- "</td><td>" + data[i].hits +
- "</td><td>" + data[i].diagnostic +
- "</td><td>" + data[i].records +
- "</td><td>" + data[i].state + "</td></tr>";
+ "</td><td>" + data[i].hits +
+ "</td><td>" + data[i].diagnostic +
+ "</td><td>" + data[i].records +
+ "</td><td>" + data[i].state + "</td></tr>";
}
- table += '</tbody>';
+ table += '</tbody></table>';
targetDiv.innerHTML = table;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
+// wait until the DOM is ready
+function domReady ()
+{
+ document.search.onsubmit = onFormSubmitEventHandler;
+ document.search.query.value = '';
+ document.select.sort.onchange = onSelectDdChange;
+ document.select.perpage.onchange = onSelectDdChange;
}
-// detailed record drawing
-function showDetails ( prefixRecId ) {
- var recId = Number(prefixRecId.replace('rec_', ''));
+// when search button pressed
+function onFormSubmitEventHandler()
+{
+ resetPage();
+ loadSelect();
+ triggerSearch();
+ submitted = true;
+ return false;
+}
+
+function onSelectDdChange()
+{
+ if (!submitted) return false;
+ resetPage();
+ loadSelect();
+ my_paz.show(0, recPerPage, curSort);
+ return false;
+}
+
+function resetPage()
+{
+ curPage = 1;
+ totalRec = 0;
+}
+
+function triggerSearch ()
+{
+ my_paz.search(document.search.query.value, recPerPage, curSort, curFilter);
+}
+
+function loadSelect ()
+{
+ curSort = document.select.sort.value;
+ recPerPage = document.select.perpage.value;
+}
+
+// limit the query after clicking the facet
+function limitQuery (field, value)
+{
+ document.search.query.value += ' and ' + field + '="' + value + '"';
+ onFormSubmitEventHandler();
+}
+
+// limit by target functions
+function limitTarget (id, name)
+{
+ var navi = document.getElementById('navi');
+ navi.innerHTML =
+ 'Source: <a class="crossout" href="#" onclick="delimitTarget();return false;">'
+ + name + '</a>';
+ navi.innerHTML += '<hr/>';
+ curFilter = 'pz:id=' + id;
+ resetPage();
+ loadSelect();
+ triggerSearch();
+ return false;
+}
+
+function delimitTarget ()
+{
+ var navi = document.getElementById('navi');
+ navi.innerHTML = '';
+ curFilter = null;
+ resetPage();
+ loadSelect();
+ triggerSearch();
+ return false;
+}
+
+function drawPager (pagerDiv)
+{
+ //client indexes pages from 1 but pz2 from 0
+ var onsides = 6;
+ var pages = Math.ceil(totalRec / recPerPage);
- // remove current detailed view if any
- var detRecordDiv = document.getElementById('det_'+curDetRecId);
- // lovin DOM!
- if ( detRecordDiv )
- detRecordDiv.parentNode.removeChild(detRecordDiv);
+ var firstClkbl = ( curPage - onsides > 0 )
+ ? curPage - onsides
+ : 1;
- // if the same clicked do not redraw
- if ( recId == curDetRecId ) {
- curDetRecId = -1;
- return;
+ var lastClkbl = firstClkbl + 2*onsides < pages
+ ? firstClkbl + 2*onsides
+ : pages;
+
+ var prev = '<span id="prev"><< Prev</span><b> | </b>';
+ if (curPage > 1)
+ prev = '<a href="#" id="prev" onclick="pagerPrev();">'
+ +'<< Prev</a><b> | </b>';
+
+ var middle = '';
+ for(var i = firstClkbl; i <= lastClkbl; i++) {
+ var numLabel = i;
+ if(i == curPage)
+ numLabel = '<b>' + i + '</b>';
+
+ middle += '<a href="#" onclick="showPage(' + i + ')"> '
+ + numLabel + ' </a>';
}
+
+ var next = '<b> | </b><span id="next">Next >></span>';
+ if (pages - curPage > 0)
+ next = '<b> | </b><a href="#" id="next" onclick="pagerNext()">'
+ +'Next >></a>';
- curDetRecId = recId;
+ var predots = '';
+ if (firstClkbl > 1)
+ predots = '...';
- // request the record
- my_paz.record(recId);
+ var postdots = '';
+ if (lastClkbl < pages)
+ postdots = '...';
+
+ pagerDiv.innerHTML += '<div style="float: clear">'
+ + prev + predots + middle + postdots + next + '</div><hr/>';
}
-function drawCurDetails ()
+function showPage (pageNum)
{
- var data = curDetRecData;
- var recordDiv = document.getElementById('rec_'+data.recid);
- recordDiv.innerHTML += '<div class="details" id="det_'+data.recid+
- '"><table><tr><td><b>Ttle</b></td><td><b>:</b> '+data["md-title"] +
- "</td></tr><tr><td><b>Date</b></td><td><b>:</b> " + data["md-date"] +
- "</td></tr><tr><td><b>Author</b></td><td><b>:</b> " + data["md-author"] +
- "</td></tr><tr><td><b>Subject</b></td><td><b>:</b> " + data["md-subject"] +
- "</td></tr><tr><td><b>Location</b></td><td><b>:</b> " + data["location"][0].name +
- "</td></tr></table></div>";
+ curPage = pageNum;
+ my_paz.showPage( curPage - 1 );
}
-
// simple paging functions
function pagerNext() {
alert('Unknown view.');
}
}
+
+// detailed record drawing
+function showDetails (prefixRecId) {
+ var recId = prefixRecId.replace('rec_', '');
+ var oldRecId = curDetRecId;
+ curDetRecId = recId;
+
+ // remove current detailed view if any
+ var detRecordDiv = document.getElementById('det_'+oldRecId);
+ // lovin DOM!
+ if (detRecordDiv)
+ detRecordDiv.parentNode.removeChild(detRecordDiv);
+
+ // if the same clicked, just hide
+ if (recId == oldRecId) {
+ curDetRecId = '';
+ curDetRecData = null;
+ return;
+ }
+ // request the record
+ my_paz.record(recId);
+}
+
+function replaceHtml(el, html) {
+ var oldEl = typeof el === "string" ? document.getElementById(el) : el;
+ /*@cc_on // Pure innerHTML is slightly faster in IE
+ oldEl.innerHTML = html;
+ return oldEl;
+ @*/
+ var newEl = oldEl.cloneNode(false);
+ newEl.innerHTML = html;
+ oldEl.parentNode.replaceChild(newEl, oldEl);
+ /* Since we just removed the old element from the DOM, return a reference
+ to the new element, which can be used to restore variable references. */
+ return newEl;
+};
+
+function renderDetails(data, marker)
+{
+ var details = '<div class="details" id="det_'+data.recid+'"><table>';
+ if (marker) details += '<tr><td>'+ marker + '</td></tr>';
+ if (data["md-title"] != undefined) {
+ details += '<tr><td><b>Title</b></td><td><b>:</b> '+data["md-title"];
+ if (data["md-title-remainder"] !== undefined) {
+ details += ' : <span>' + data["md-title-remainder"] + ' </span>';
+ }
+ if (data["md-title-responsibility"] !== undefined) {
+ details += ' <span><i>'+ data["md-title-responsibility"] +'</i></span>';
+ }
+ details += '</td></tr>';
+ }
+ if (data["md-date"] != undefined)
+ details += '<tr><td><b>Date</b></td><td><b>:</b> ' + data["md-date"] + '</td></tr>';
+ if (data["md-author"] != undefined)
+ details += '<tr><td><b>Author</b></td><td><b>:</b> ' + data["md-author"] + '</td></tr>';
+ if (data["md-electronic-url"] != undefined)
+ 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>';
+ if (data["location"][0]["md-subject"] != undefined)
+ details += '<tr><td><b>Subject</b></td><td><b>:</b> ' + data["location"][0]["md-subject"] + '</td></tr>';
+ if (data["location"][0]["@name"] != undefined)
+ details += '<tr><td><b>Location</b></td><td><b>:</b> ' + data["location"][0]["@name"] + " (" +data["location"][0]["@id"] + ")" + '</td></tr>';
+ details += '</table></div>';
+ return details;
+}
+ //EOF