X-Git-Url: http://lists.indexdata.dk/cgi-bin?a=blobdiff_plain;f=www%2Fdemo%2Fsearch.js;h=6762753bf96462f6926de2f4e8ce88e5a58faee5;hb=dd28cba99bce512b6b4762a6ba99dc96ca109768;hp=d8713811cb732a2664237e24b4ea419a633f49fc;hpb=04ff15226a5bc356bbee08160c1b49dcae519b5c;p=pazpar2-moved-to-github.git
diff --git a/www/demo/search.js b/www/demo/search.js
index d871381..6762753 100644
--- a/www/demo/search.js
+++ b/www/demo/search.js
@@ -1,4 +1,4 @@
-/* $Id: search.js,v 1.5 2007-01-05 13:53:33 sondberg Exp $
+/* $Id: search.js,v 1.41 2007-01-18 17:42:39 quinn Exp $
* ---------------------------------------------------
* Javascript container
*/
@@ -10,6 +10,7 @@ var xsearch;
var xshow;
var xstat;
var xtermlist;
+var xfetchDetails;
var session = false;
var targetsloaded = false;
var shown;
@@ -20,18 +21,22 @@ var stattimer;
var session_cells = Array('query', 'startrec', 'action_type');
var old_session = session_read();
var url_surveillence;
-var recstoshow = 15;
+var recstoshow = 20;
+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
@@ -59,7 +64,7 @@ function session_started()
return;
var xml = xinitSession.responseXML;
var sesid = xml.getElementsByTagName("session")[0].childNodes[0].nodeValue;
- document.getElementById("status").innerHTML = "Live";
+ assign_text(document.getElementById("status"), 'Live');
session = sesid;
setTimeout(ping_session, 50000);
}
@@ -72,8 +77,6 @@ function start_session()
xinitSession.onreadystatechange=session_started;
xinitSession.open("GET", url);
xinitSession.send(null);
-
- //url_surveillence = setInterval(session_check, 200);
}
function ping_session()
@@ -91,59 +94,317 @@ function session_pinged()
var xml = xpingSession.responseXML;
var error = xml.getElementsByTagName("error");
if (error[0])
- {
- var msg = error[0].childNodes[0].nodeValue;
- alert(msg);
location = "?";
- return;
+ else
+ setTimeout(ping_session, 50000);
+}
+
+function update_action (new_action) {
+ document.search.action_type.value = new_action;
+}
+
+
+function make_pager (hits, offset, max) {
+ var html = '';
+ var off;
+ var start_offset = offset - page_window * max;
+ var div_elem = document.createElement('div');
+
+ div_elem.className = 'pages';
+
+ if (start_offset < 0) {
+ start_offset = 0;
}
- setTimeout(ping_session, 50000);
+
+ for (off = start_offset;
+ off < hits && off < (start_offset + 2 * page_window * max);
+ off += max) {
+
+ var p = off / max + 1;
+ var page_elem = create_element('a', p);
+ var newline_node = document.createTextNode(' ');
+
+ if ((offset >= off) && (offset < (off + max))) {
+ page_elem.className = 'select';
+ }
+
+ page_elem.setAttribute('off', off);
+ page_elem.style.cursor = 'pointer';
+ page_elem.onclick = function () {
+ update_offset(this.getAttribute('off'));
+ };
+
+ div_elem.appendChild(page_elem);
+ div_elem.appendChild(newline_node);
+ }
+
+ return div_elem;
+}
+
+
+function update_offset (offset) {
+ clearTimeout(searchtimer);
+ document.search.startrec.value = offset;
+ update_action('page');
+ check_search();
+ update_history();
+ return false;
+}
+
+
+function create_element (name, cdata) {
+ var elem_node = document.createElement(name);
+ var text_node = document.createTextNode(cdata);
+ elem_node.appendChild(text_node);
+
+ return elem_node;
+}
+
+
+function clear_cell (cell) {
+ while (cell.hasChildNodes())
+ cell.removeChild(cell.firstChild);
+}
+
+
+function append_text(cell, text) {
+ text_node = document.createTextNode(text);
+ cell.appendChild(text_node);
+}
+
+
+function assign_text (cell, text) {
+ clear_cell(cell);
+ 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 if (name == 'md-title')
+ return '@';
+ else if (name == 'md-id')
+ return 'Local ID';
+ else if (name == 'recid')
+ return '@';
+ else if (name == 'location')
+ return '@';
+ 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', 90);
+ tln.setAttribute('valign', 'top');
+ tln.appendChild(ln);
+ var tr = document.createElement('tr');
+ tr.appendChild(tln);
+ tr.appendChild(dn);
+ return tr;
+}
+
+function paint_data_elements(target, node)
+{
+ var nodes = node.childNodes;
+ var dn = 0;
+ var lastname = '';
+ var i;
+ 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 && lastname != 'location')
+ {
+ if (dn)
+ {
+ var tr = paint_details_tr(lastname, dn);
+ target.appendChild(tr);
+ }
+ dn = document.createElement('td');
+ lastname = name;
+ }
+ if (name == 'location')
+ {
+ target.appendChild(paint_details_tr('Location', paint_subrecord(nodes[i])));
+ continue;
+ }
+ 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 && lastname != 'location')
+ {
+ var tr = paint_details_tr(lastname, dn);
+ target.appendChild(tr);
+ }
+}
+
+function paint_subrecord(node)
+{
+ var table = document.createElement('table');
+ var zurl = node.getAttribute('id');
+ var tr = paint_details_tr('Source', document.createTextNode(zurl));
+ table.appendChild(tr);
+ paint_data_elements(table, node);
+ return table;
}
-function targets_loaded()
+function paint_details(body, xml)
{
- if (xloadTargets.readyState != 4)
+ clear_cell(body);
+ var table = document.createElement('table');
+ table.setAttribute('cellpadding', 2);
+ paint_data_elements(table, xml.childNodes[0]);
+ body.appendChild(table);
+ body.style.display = 'inline';
+}
+
+function show_details()
+{
+ if (xfetchDetails.readyState != 4)
return;
- var xml = xloadTargets.responseXML;
+ var xml = xfetchDetails.responseXML;
var error = xml.getElementsByTagName("error");
if (error[0])
{
var msg = error[0].childNodes[0].nodeValue;
alert(msg);
+ location = "?";
return;
}
- document.getElementById("targetstatus").innerHTML = "Targets loaded";
-}
-function load_targets()
-{
- var fn = document.getElementById("targetfilename").value;
- clearTimeout(termtimer);
- clearTimeout(searchtimer);
- clearTimeout(stattimer);
- clearTimeout(showtimer);
- document.getElementById("stat").innerHTML = "";
- if (!fn)
- {
- alert("Please enter a target definition file name");
+ 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 url="search.pz2?" +
- "command=load" +
- "&session=" + session +
- "&name=" + fn;
- document.getElementById("targetstatus").innerHTML = "Loading targets...";
- xloadTargets = GetXmlHttpObject();
- xloadTargets.onreadystatechange=targets_loaded;
- xloadTargets.open("GET", url);
- xloadTargets.send(null);
-}
+ var body = document.getElementById('rec_' + id);
+ if (!body)
+ return;
+ paint_details(body, xml);
+}
-function update_action (new_action) {
- document.search.action_type.value = new_action;
+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()
{
@@ -153,45 +414,92 @@ function show_records()
var xml = xshow.responseXML;
var body = document.getElementById("body");
var hits = xml.getElementsByTagName("hit");
+
+ clear_cell(body);
+
if (!hits[0]) // We should never get here with blocking operations
{
- body.innerHTML = "No records yet";
+ assign_text(body, 'No records yet');
searchtimer = setTimeout(check_search, 250);
}
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);
var num = Number(xml.getElementsByTagName('num')[0].childNodes[0].nodeValue);
var clients = Number(xml.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue);
- body.innerHTML = 'Records : ';
- body.innerHTML += (start + 1) + ' to ' + (start + num) +
- ' of ' + merged + ' (total hits: ' + total + ')';
-
- if (start + num < merged)
- body.innerHTML += ' Next';
-
- if (start > 0)
- body.innerHTML += ' Previous';
-
- body.innerHTML += '
';
+ var pager = make_pager(merged, start,recstoshow);
+ var break_node1 = document.createElement('br');
+ var break_node2 = document.createElement('br');
+ var record_container = document.createElement('div');
+ var interval = create_element('div', 'Records : ' + (start + 1) +
+ ' to ' + (start + num) + ' of ' +
+ merged + ' (total hits: ' +
+ total + ')');
+ searched = 1;
+ interval.className = 'results';
+ record_container.className = 'records';
+
+ body.appendChild(pager);
+ body.appendChild(interval);
+ body.appendChild(break_node1);
+ body.appendChild(break_node2);
+ body.appendChild(record_container);
+
for (i = 0; i < hits.length; i++)
{
- body.innerHTML += '
'; - body.innerHTML += (i + start + 1) + ': '; - var mk = hits[i].getElementsByTagName("title"); - if (mk[0]) - body.innerHTML += mk[0].childNodes[0].nodeValue; - body.innerHTML += '
'; + 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 { + 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_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++; if (clients > 0) { @@ -213,6 +521,7 @@ function check_search() "&start=" + document.search.startrec.value + "&num=" + recstoshow + "&session=" + session + + "&sort=" + cur_sort + "&block=1"; xshow = GetXmlHttpObject(); xshow.onreadystatechange=show_records; @@ -222,69 +531,88 @@ function check_search() function refine_query (obj) { + var term = obj.getAttribute('term'); + var cur_termlist = obj.getAttribute('facet'); var query_cell = document.getElementById('query'); - var term = obj.innerHTML; term = term.replace(/[\(\)]/g, ''); + if (cur_termlist == 'subject') - query_cell.value += ' and su=(' + term + ')'; + query_cell.value += ' and su=' + term; else if (cur_termlist == 'author') - query_cell.value += ' and au=(' + term + ')'; + query_cell.value += ' and au=' + term; + else if (cur_termlist == 'date') + query_cell.value += ' and date=' + term; + start_search(); } +function clear_termlists() +{ + var i; + for (i = 0; i < facet_list.length; i++) + clear_cell(facet_list[i][1]); +} - -function show_termlist() +function show_termlists() { if (xtermlist.readyState != 4) return; var i; var xml = xtermlist.responseXML; - var body = facet_list[cur_facet][1]; - var hits = xml.getElementsByTagName("term"); var clients = Number(xml.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue); + var lists = xml.getElementsByTagName("list"); - cur_facet++; - - if (cur_facet >= facet_list.length) - cur_facet = 0; - - if (!hits[0]) + for (i = 0; i < lists.length; i++) { - termtimer = setTimeout(check_termlist, 500); - } - else - { - body.innerHTML = ''; - - for (i = 0; i < hits.length; i++) + var listname = lists[i].getAttribute('name'); + var body = document.getElementById('facet_' + listname + '_terms'); + if (body.style.display == 'none') + continue; + clear_cell(body); + var terms = lists[i].getElementsByTagName('term'); + var t; + for (t = 0; t < terms.length; t++) { - var namen = hits[i].getElementsByTagName("name"); + var namen = terms[t].getElementsByTagName("name"); + var freqn = terms[t].getElementsByTagName("frequency"); if (namen[0]) - body.innerHTML += '' + - namen[0].childNodes[0].nodeValue + - ''; + var term = namen[0].childNodes[0].nodeValue; + 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', listname); + refine_cell.onclick = function () { + refine_query(this); + return false; + }; + body.appendChild(refine_cell); } - - if (clients > 0) - termtimer = setTimeout(check_termlist, 1000); } + if (clients > 0) + termtimer = setTimeout(check_termlist, 1000); } function check_termlist() { - var facet_name = facet_list[cur_facet][0]; + var facet_names = ''; + var i; + for (i = 0; i < facet_list.length; i++) + if (facet_list[i][1].style.display != 'none') + { + if (facet_names) + facet_names += ','; + facet_names += facet_list[i][0]; + } var url = "search.pz2?" + "command=termlist" + "&session=" + session + - "&name=" + facet_name; - xtermlist = GetXmlHttpObject(); - xtermlist.onreadystatechange=show_termlist; - xtermlist.open("GET", url); - xtermlist.send(null); + "&name=" + facet_names + + "&num=12"; + SendXmlHttpObject(xtermlist = GetXmlHttpObject(), url, show_termlists); } function show_stat() @@ -303,7 +631,7 @@ function show_stat() } else { - body.innerHTML = "("; + assign_text(body, '('); for (i = 0; i < nodes.length; i++) { if (nodes[i].nodeType != 1) @@ -312,9 +640,10 @@ function show_stat() if (value == 0) continue; var name = nodes[i].nodeName; - body.innerHTML += ' ' + name + '=' + value; + append_text(body, ' ' + name + '=' + value); } - body.innerHTML += ')'; + + append_text(body, ')'); if (clients > 0) stattimer = setTimeout(check_stat, 2000); } @@ -357,11 +686,8 @@ function start_search() stattimer = 0; clearTimeout(showtimer); showtimer = 0; - if (!targets_loaded) - { - alert("Please load targets first"); - return; - } + cur_id = -1; + clear_termlists(); var query = escape(document.getElementById('query').value); var url = "search.pz2?" + "command=search" + @@ -371,14 +697,12 @@ function start_search() xsearch.onreadystatechange=search_started; xsearch.open("GET", url); xsearch.send(null); -// document.getElementById("termlist").innerHTML = ''; - document.getElementById("body").innerHTML = ''; + clear_cell(document.getElementById("body")); update_history(); shown = 0; document.search.startrec.value = 0; } - function session_encode () { var i; @@ -489,6 +813,7 @@ function toggle_facet (obj) { if (obj.className == 'selected') { obj.className = 'unselected'; container.style.display = 'inline'; + check_termlist(); } else { obj.className = 'selected'; container.style.display = 'none';