-/* $Id: search.js,v 1.22 2007-01-12 20:11:51 quinn Exp $
+/* $Id: search.js,v 1.34 2007-01-17 02:15:12 quinn Exp $
* ---------------------------------------------------
* Javascript container
*/
var xshow;
var xstat;
var xtermlist;
+var xfetchDetails;
var session = false;
var targetsloaded = false;
var shown;
var page_window = 5; // Number of pages prior to and after the current page
var facet_list;
var cur_facet = 0;
+var cur_sort = "relevance";
+var searched = 0;
+var cur_id = -1;
+var cur_rec = 0;
function initialize ()
{
facet_list = get_available_facets();
start_session();
session_check();
+ set_sort();
}
-
function GetXmlHttpObject()
{
var objXMLHttp=null
var xml = xpingSession.responseXML;
var error = xml.getElementsByTagName("error");
if (error[0])
- {
- var msg = error[0].childNodes[0].nodeValue;
- alert(msg);
location = "?";
- return;
- }
setTimeout(ping_session, 50000);
}
-function targets_loaded()
-{
- if (xloadTargets.readyState != 4)
- return;
- var xml = xloadTargets.responseXML;
- var error = xml.getElementsByTagName("error");
- if (error[0])
- {
- var msg = error[0].childNodes[0].nodeValue;
- alert(msg);
- return;
- }
-
- assign_text(document.getElementById("targetstatus"), 'Targets loaded');
-}
-
-function load_targets()
-{
- var fn = document.getElementById("targetfilename").value;
- clearTimeout(termtimer);
- clearTimeout(searchtimer);
- clearTimeout(stattimer);
- clearTimeout(showtimer);
- clear_cell(document.getElementById("stat"));
- if (!fn)
- {
- alert("Please enter a target definition file name");
- return;
- }
- var url="search.pz2?" +
- "command=load" +
- "&session=" + session +
- "&name=" + fn;
- assign_text(document.getElementById("targetstatus"), 'Loading targets...');
- xloadTargets = GetXmlHttpObject();
- xloadTargets.onreadystatechange=targets_loaded;
- xloadTargets.open("GET", url);
- xloadTargets.send(null);
-}
-
-
function update_action (new_action) {
document.search.action_type.value = new_action;
}
append_text(cell, text);
}
+function set_sort_opt(n, opt, str)
+{
+ var txt = document.createTextNode(str);
+ if (opt == cur_sort)
+ n.appendChild(txt);
+ else
+ {
+ var a = document.createElement('a');
+ a.appendChild(txt);
+ a.setAttribute('href', "");
+ a.setAttribute('onclick', "set_sort('" + opt + "'); return false");
+ n.appendChild(a);
+ }
+}
+
+function set_sort(sort)
+{
+ if (sort && sort != cur_sort)
+ {
+ cur_sort = sort;
+ if (searched)
+ check_search();
+ }
+
+ var t = document.getElementById("sortselect");
+ clear_cell(t);
+ t.appendChild(document.createTextNode("Sort results by: "));
+ set_sort_opt(t, 'relevance', 'Relevance');
+ t.appendChild(document.createTextNode(" or "));
+ set_sort_opt(t, 'title:1', 'Title');
+}
+
+function displayname(name)
+{
+ if (name == 'md-author')
+ return 'Author';
+ else if (name == 'md-subject')
+ return 'Subject';
+ else if (name == 'md-date')
+ return 'Date';
+ else if (name == 'md-isbn')
+ return 'ISBN';
+ else if (name == 'md-publisher')
+ return 'Publisher';
+ else if (name == 'md-url')
+ return 'URL';
+ else
+ return name;
+}
+
+function hyperlink_field(name)
+{
+ if (name == 'md-author')
+ return 'au';
+ else if (name == 'md-subject')
+ return 'su';
+ else if (name == 'md-url')
+ return 'URL';
+ else
+ return 0;
+}
+
+function paint_details_tr(name, dn)
+{
+ //emit a table row
+ var dname = displayname(name);
+ var ln = create_element('b', dname);
+ var tln = document.createElement('td');
+ tln.setAttribute('width', 70);
+ tln.setAttribute('valign', 'top');
+ tln.appendChild(ln);
+ var tr = document.createElement('tr');
+ tr.appendChild(tln);
+ tr.appendChild(dn);
+ return tr;
+}
+
+function paint_details(body, xml)
+{
+ // This is some ugly display code. Replace with your own ting o'beauty
+ clear_cell(body);
+ //body.appendChild(document.createElement('br'));
+ var nodes = xml.childNodes[0].childNodes;
+ var i;
+ var table = document.createElement('table');
+ table.setAttribute('cellpadding', 2);
+ var dn = 0;
+ var lastname = '';
+ for (i = 0; i < nodes.length; i++)
+ {
+ if (nodes[i].nodeType != 1)
+ continue;
+ var name = nodes[i].nodeName;
+ if (name == 'recid' || name == 'md-title')
+ continue;
+ if (name != lastname)
+ {
+ if (dn)
+ {
+ var tr = paint_details_tr(lastname, dn);
+ table.appendChild(tr);
+ }
+ dn = document.createElement('td');
+ lastname = name;
+ }
+
+ if (!nodes[i].childNodes[0])
+ continue;
+ var value = nodes[i].childNodes[0].nodeValue;
+ if (dn.childNodes[0])
+ dn.appendChild(document.createTextNode('; '));
+ var hyl = hyperlink_field(name);
+ var nv;
+ if (hyl)
+ {
+ nv = create_element('a', value);
+ if (hyl == 'URL')
+ {
+ nv.setAttribute('href', value);
+ nv.setAttribute('target', '_blank');
+ }
+ else
+ {
+ nv.setAttribute('href', '#');
+ nv.setAttribute('term', value);
+ nv.setAttribute('searchfield', hyl);
+ nv.onclick = function() { hyperlink_search(this); return false; };
+ }
+ }
+ else
+ nv = document.createTextNode(value);
+ dn.appendChild(nv);
+ }
+ if (dn)
+ {
+ var tr = paint_details_tr(lastname, dn);
+ table.appendChild(tr);
+ }
+ body.appendChild(table);
+ body.style.display = 'inline';
+}
+
+function show_details()
+{
+ if (xfetchDetails.readyState != 4)
+ return;
+ var xml = xfetchDetails.responseXML;
+ var error = xml.getElementsByTagName("error");
+ if (error[0])
+ {
+ var msg = error[0].childNodes[0].nodeValue;
+ alert(msg);
+ location = "?";
+ return;
+ }
+
+ var idn = xml.getElementsByTagName('recid');
+ if (!idn[0])
+ return;
+ var id = idn[0].childNodes[0].nodeValue;
+ cur_id = id;
+ cur_rec = xml;
+
+ var nodes = document.getElementsByName('listrecord');
+ var i;
+ for (i = 0; i < nodes.length; i++)
+ {
+ var dets = nodes[i].getElementsByTagName('div');
+ if (dets[0])
+ dets[0].style.display = 'none';
+ }
+
+ var body = document.getElementById('rec_' + id);
+ if (!body)
+ return;
+ paint_details(body, xml);
+}
+
+function hyperlink_search(obj)
+{
+ var field = obj.getAttribute('searchfield');
+ var term = obj.getAttribute('term');
+ var queryfield = document.getElementById('query');
+ queryfield.value = field + '=' + term;
+ start_search();
+}
+
+function fetch_details(id)
+{
+ cur_id = -1;
+ if (id == cur_id)
+ {
+ cur_id = -1;
+ return;
+ }
+ if (!session)
+ return;
+ var url = "search.pz2?session=" + session +
+ "&command=record" +
+ "&id=" + id;
+ SendXmlHttpObject(xfetchDetails = GetXmlHttpObject(), url, show_details);
+}
function show_records()
{
}
else
{
-
var total = Number(xml.getElementsByTagName('total')[0].childNodes[0].nodeValue);
var merged = Number(xml.getElementsByTagName('merged')[0].childNodes[0].nodeValue);
var start = Number(xml.getElementsByTagName('start')[0].childNodes[0].nodeValue);
' to ' + (start + num) + ' of ' +
merged + ' (total hits: ' +
total + ')');
+ searched = 1;
interval.className = 'results';
record_container.className = 'records';
for (i = 0; i < hits.length; i++)
{
- var mk = hits[i].getElementsByTagName("md-title");
- var field = '';
-
- if (mk[0]) {
- field = mk[0].childNodes[0].nodeValue;
+ var tn = hits[i].getElementsByTagName("md-title");
+ var title = '';
+ var an = hits[i].getElementsByTagName("md-author");
+ var author = '';
+ var cn = hits[i].getElementsByTagName("count");
+ var count = 1;
+ var idn = hits[i].getElementsByTagName("recid");
+
+ if (tn[0]) {
+ title = tn[0].childNodes[0].nodeValue;
} else {
- field = 'N/A';
+ title = 'N/A';
}
+ if (an[0] && an[0].childNodes[0])
+ author = an[0].childNodes[0].nodeValue;
+ if (cn[0])
+ count = Number(cn[0].childNodes[0].nodeValue);
+ var id = idn[0].childNodes[0].nodeValue;
- var record_cell = create_element('a', field);
- record_cell.setAttribute('href', '#');
- record_cell.className = 'record';
- record_container.appendChild(record_cell);
+ var record_div = document.createElement('div');
+ record_div.className = 'record';
+ record_div.setAttribute('name', 'listrecord');
+
+ var record_cell = create_element('a', title);
+ record_cell.setAttribute('href', '#' + id);
+ record_cell.setAttribute('onclick', 'fetch_details(' + id + '); return false');
+ record_div.appendChild(record_cell);
+ if (author)
+ {
+ record_div.appendChild(document.createTextNode(', by '));
+ var al = create_element('a', author);
+ al.setAttribute('href', '#');
+ al.setAttribute('term', author);
+ al.setAttribute('searchfield', 'au');
+ al.onclick = function() { hyperlink_search(this); return false; };
+ record_div.appendChild(al);
+ }
+ if (count > 1)
+ record_div.appendChild(document.createTextNode(
+ ' (' + count + ')'));
+ var det_div = document.createElement('div');
+ if (id == cur_id)
+ paint_details(det_div, cur_rec);
+ else
+ det_div.style.display = 'none';
+ det_div.setAttribute('id', 'rec_' + id);
+ det_div.setAttribute('name', 'details');
+ record_div.appendChild(det_div);
+ record_container.appendChild(record_div);
}
shown++;
"&start=" + document.search.startrec.value +
"&num=" + recstoshow +
"&session=" + session +
+ "&sort=" + cur_sort +
"&block=1";
xshow = GetXmlHttpObject();
xshow.onreadystatechange=show_records;
for (i = 0; i < hits.length; i++)
{
var namen = hits[i].getElementsByTagName("name");
+ var freqn = hits[i].getElementsByTagName("frequency");
if (namen[0])
var term = namen[0].childNodes[0].nodeValue;
- var refine_cell = create_element('a', term);
+ var freq = freqn[0].childNodes[0].nodeValue;
+ var refine_cell = create_element('a', term + ' (' + freq + ')');
refine_cell.setAttribute('href', '#');
refine_cell.setAttribute('term', term);
refine_cell.setAttribute('facet', facet_name);
stattimer = 0;
clearTimeout(showtimer);
showtimer = 0;
- if (!targets_loaded)
- {
- alert("Please load targets first");
- return;
- }
+ cur_id = -1;
var query = escape(document.getElementById('query').value);
var url = "search.pz2?" +
"command=search" +
document.search.startrec.value = 0;
}
-
function session_encode ()
{
var i;