X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=www%2Fdemo%2Fsearch.js;h=b08450d0a2ee150cdf5f0932a5c9104e5524f689;hb=bf7d0afdd97bd8cb1ae2d560d40fe4d84b96ef48;hp=6e90aa0de6b9d188438efed1ba342a49b58ff2e1;hpb=b1d1bd7c6dbf7af16d5047d91b39827d9a8c4252;p=pazpar2-moved-to-github.git

diff --git a/www/demo/search.js b/www/demo/search.js
index 6e90aa0..b08450d 100644
--- a/www/demo/search.js
+++ b/www/demo/search.js
@@ -1,4 +1,4 @@
-/* $Id: search.js,v 1.8 2007-01-08 14:51:35 sondberg Exp $
+/* $Id: search.js,v 1.39 2007-01-18 16:21:23 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;
@@ -20,19 +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
@@ -60,7 +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);
 }
@@ -73,8 +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()
@@ -92,55 +94,11 @@ 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;
-    }
-    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;
-    }
-    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");
-	return;
-    }
-    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);
+    else
+        setTimeout(ping_session, 50000);
 }
 
-
 function update_action (new_action) {
     document.search.action_type.value = new_action;
 }
@@ -149,30 +107,43 @@ function update_action (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';
 
-    for (off = offset - page_window * max;
-         off < hits && off < (offset + page_window * max); 
-         off += max) {
+    if (start_offset < 0) {
+        start_offset = 0;
+    }
 
-        var class = '';
+    for (off = start_offset;
+         off < hits && off < (start_offset + 2 * page_window * max); 
+         off += max) {
         
-        if (off < 0)
-            off = 0; 
-            
         var p = off / max + 1;
+        var page_elem = create_element('a', p);
+        var newline_node = document.createTextNode(' ');
 
-        if ((offset >= off) && (offset < (off + max)))
-            class = ' class="select"';
+        if ((offset >= off) && (offset < (off + max))) {
+            page_elem.className = 'select';
+        }
 
-        html += '<a href="#" ' + class +
-                'onclick="update_offset(' + off + ')">' + p + '</a>\n';
+        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 html;
+    return div_elem;
 }
 
 
 function update_offset (offset) {
+    clearTimeout(searchtimer);
     document.search.startrec.value = offset;
     update_action('page');
     check_search();
@@ -181,6 +152,260 @@ function update_offset (offset) {
 }
 
 
+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));
+    paint_data_elements(table, node);
+    table.appendChild(tr);
+    return table;
+}
+
+function paint_details(body, xml)
+{
+    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 = 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()
 {
     if (xshow.readyState != 4)
@@ -189,59 +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 = '<div class="pages">' +
-                         make_pager(merged, start, recstoshow) +
-                         '</div>';
-                         
-	body.innerHTML += '<div class="results">Records : ' + (start + 1) +
-                          ' to ' + (start + num) + ' of ' + merged +
-                          ' (total hits: ' + total + ')</div><br/><br/>';
-
-/*
-	if (start + num < merged)
-	    body.innerHTML += ' <a href="" ' +
-		'onclick="document.search.startrec.value=' + (start + recstoshow) +
-                ";update_action('page')" +
-		';check_search(); update_history(); return false;">Next</a>';
-
-	if (start > 0)
-	    body.innerHTML += ' <a href="" ' +
-		'onclick="document.search.startrec.value=' + (start - recstoshow) +
-                ";update_action('page')" +
-		';check_search(); update_history();return false;">Previous</a>';
-
-	body.innerHTML += '<br/>';
-*/
-        body.innerHTML += '<div class="records">';
+        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++)
 	{
-	    var mk = hits[i].getElementsByTagName("title");
-            var html = '<a href="#" class="record">';
-            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 {
+                title = 'N/A';
             }
-
-	    html += field + '</a>';
-            body.innerHTML += html;
+	    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);
 	}
 
-        body.innerHTML += '</div>';
 	shown++;
 	if (clients > 0)
 	{
@@ -263,6 +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;
@@ -272,69 +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 + ')';
     else if (cur_termlist == 'author')
 	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 += '<a href="#" onclick="refine_query(this)">' +
-                                  namen[0].childNodes[0].nodeValue +
-                                  '</a>';
+                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()
@@ -353,7 +631,7 @@ function show_stat()
     }
     else
     {
-	body.innerHTML = "(";
+	assign_text(body, '(');
 	for (i = 0; i < nodes.length; i++)
 	{
 	    if (nodes[i].nodeType != 1)
@@ -362,9 +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);
     }
@@ -407,11 +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" +
@@ -421,14 +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;
@@ -539,6 +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';