1 /* $Id: search.js,v 1.5 2007-01-04 03:06:40 quinn Exp $
2 * ---------------------------------------------------
14 var targetsloaded = false;
20 var session_cells = Array('query', 'startrec', 'action_type');
21 var old_session = session_read();
25 function initialize ()
32 function GetXmlHttpObject()
35 if (window.XMLHttpRequest)
37 objXMLHttp=new XMLHttpRequest()
39 else if (window.ActiveXObject)
41 objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
46 function SendXmlHttpObject(obj, url, handler)
48 obj.onreadystatechange=handler;
53 function session_started()
55 if (xinitSession.readyState != 4)
57 var xml = xinitSession.responseXML;
58 var sesid = xml.getElementsByTagName("session")[0].childNodes[0].nodeValue;
59 document.getElementById("status").innerHTML = "Live";
61 setTimeout(ping_session, 50000);
64 function start_session()
66 xinitSession = GetXmlHttpObject();
67 var url="search.pz2?";
68 url += "command=init";
69 xinitSession.onreadystatechange=session_started;
70 xinitSession.open("GET", url);
71 xinitSession.send(null);
73 //url_surveillence = setInterval(session_check, 200);
76 function ping_session()
80 var url = "search.pz2?command=ping&session=" + session;
81 SendXmlHttpObject(xpingSession = GetXmlHttpObject(), url, session_pinged);
84 function session_pinged()
86 if (xpingSession.readyState != 4)
88 var xml = xpingSession.responseXML;
89 var error = xml.getElementsByTagName("error");
92 var msg = error[0].childNodes[0].nodeValue;
97 setTimeout(ping_session, 50000);
100 function targets_loaded()
102 if (xloadTargets.readyState != 4)
104 var xml = xloadTargets.responseXML;
105 var error = xml.getElementsByTagName("error");
108 var msg = error[0].childNodes[0].nodeValue;
112 document.getElementById("targetstatus").innerHTML = "Targets loaded";
115 function load_targets()
117 var fn = document.getElementById("targetfilename").value;
118 clearTimeout(termtimer);
119 clearTimeout(searchtimer);
120 clearTimeout(stattimer);
121 clearTimeout(showtimer);
122 document.getElementById("stat").innerHTML = "";
125 alert("Please enter a target definition file name");
128 var url="search.pz2?" +
130 "&session=" + session +
132 document.getElementById("targetstatus").innerHTML = "Loading targets...";
133 xloadTargets = GetXmlHttpObject();
134 xloadTargets.onreadystatechange=targets_loaded;
135 xloadTargets.open("GET", url);
136 xloadTargets.send(null);
140 function update_action (new_action) {
141 document.search.action_type.value = new_action;
145 function show_records()
147 if (xshow.readyState != 4)
150 var xml = xshow.responseXML;
151 var body = document.getElementById("body");
152 var hits = xml.getElementsByTagName("hit");
153 if (!hits[0]) // We should never get here with blocking operations
155 body.innerHTML = "No records yet";
156 searchtimer = setTimeout(check_search, 250);
161 var total = Number(xml.getElementsByTagName('total')[0].childNodes[0].nodeValue);
162 var merged = Number(xml.getElementsByTagName('merged')[0].childNodes[0].nodeValue);
163 var start = Number(xml.getElementsByTagName('start')[0].childNodes[0].nodeValue);
164 var num = Number(xml.getElementsByTagName('num')[0].childNodes[0].nodeValue);
165 var clients = Number(xml.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue);
166 body.innerHTML = '<b>Records : ';
167 body.innerHTML += (start + 1) + ' to ' + (start + num) +
168 ' of ' + merged + ' (total hits: ' + total + ')</b>';
170 if (start + num < merged)
171 body.innerHTML += ' <a href="" ' +
172 'onclick="document.search.startrec.value=' + (start + 20) +
173 ";update_action('page')" +
174 ';check_search(); update_history(); return false;">Next</a>';
177 body.innerHTML += ' <a href="" ' +
178 'onclick="document.search.startrec.value=' + (start - 20) +
179 ";update_action('page')" +
180 ';check_search(); update_history();return false;">Previous</a>';
182 body.innerHTML += '<br/>';
183 for (i = 0; i < hits.length; i++)
185 body.innerHTML += '<p>';
186 body.innerHTML += (i + start + 1) + ': ';
187 var mk = hits[i].getElementsByTagName("title");
189 body.innerHTML += mk[0].childNodes[0].nodeValue;
190 body.innerHTML += '</p>';
196 searchtimer = setTimeout(check_search, 1000);
198 searchtimer = setTimeout(check_search, 2000);
202 termtimer = setTimeout(check_termlist, 1000);
205 function check_search()
207 clearTimeout(searchtimer);
208 var url = "search.pz2?" +
210 "&start=" + document.search.startrec.value +
212 "&session=" + session +
214 xshow = GetXmlHttpObject();
215 xshow.onreadystatechange=show_records;
216 xshow.open("GET", url);
221 function refine_query (obj) {
222 var query_cell = document.getElementById('query');
223 var subject = obj.innerHTML;
225 subject = subject.replace(/[\(\)]/g, '');
226 query_cell.value += ' and su=(' + subject + ')';
230 function show_termlist()
232 if (xtermlist.readyState != 4)
236 var xml = xtermlist.responseXML;
237 var body = document.getElementById("termlist");
238 var hits = xml.getElementsByTagName("term");
240 Number(xml.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue);
243 termtimer = setTimeout(check_termlist, 1000);
248 body.innerHTML = "<b>Limit results:</b><br>";
249 for (i = 0; i < hits.length; i++)
251 var namen = hits[i].getElementsByTagName("name");
253 body.innerHTML += '<a href="#" onclick="refine_query(this)">' +
254 namen[0].childNodes[0].nodeValue +
256 body.innerHTML += '<br>';
259 termtimer = setTimeout(check_termlist, 2000);
264 function check_termlist()
266 var url = "search.pz2?" +
268 "&session=" + session;
269 xtermlist = GetXmlHttpObject();
270 xtermlist.onreadystatechange=show_termlist;
271 xtermlist.open("GET", url);
272 xtermlist.send(null);
277 if (xstat.readyState != 4)
280 var xml = xstat.responseXML;
281 var body = document.getElementById("stat");
282 var nodes = xml.childNodes[0].childNodes;
284 Number(xml.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue);
287 stattimer = setTimeout(check_stat, 500);
291 body.innerHTML = "(";
292 for (i = 0; i < nodes.length; i++)
294 if (nodes[i].nodeType != 1)
296 var value = nodes[i].childNodes[0].nodeValue;
299 var name = nodes[i].nodeName;
300 body.innerHTML += ' ' + name + '=' + value;
302 body.innerHTML += ')';
304 stattimer = setTimeout(check_stat, 2000);
308 function check_stat()
310 var url = "search.pz2?" +
312 "&session=" + session;
313 xstat = GetXmlHttpObject();
314 xstat.onreadystatechange=show_stat;
315 xstat.open("GET", url);
319 function search_started()
321 if (xsearch.readyState != 4)
323 var xml = xsearch.responseXML;
324 var error = xml.getElementsByTagName("error");
327 var msg = error[0].childNodes[0].nodeValue;
332 stattimer = setTimeout(check_stat, 1000);
335 function start_search()
337 clearTimeout(termtimer);
339 clearTimeout(searchtimer);
341 clearTimeout(stattimer);
343 clearTimeout(showtimer);
347 alert("Please load targets first");
350 var query = escape(document.getElementById('query').value);
351 var url = "search.pz2?" +
353 "&session=" + session +
355 xsearch = GetXmlHttpObject();
356 xsearch.onreadystatechange=search_started;
357 xsearch.open("GET", url);
359 document.getElementById("termlist").innerHTML = '';
360 document.getElementById("body").innerHTML = '';
363 document.search.startrec.value = 0;
367 function session_encode ()
372 for (i = 0; i < session_cells.length; i++)
374 var name = session_cells[i];
375 var value = escape(document.getElementById(name).value);
376 session += '&' + name + '=' + value;
383 function session_restore (session)
385 var fields = session.split(/&/);
388 for (i = 1; i < fields.length; i++)
390 var pair = fields[i].split(/=/);
391 var key = pair.shift();
392 var value = pair.join('=');
393 var cell = document.getElementById(key);
401 function session_read ()
403 var ses = window.location.hash.replace(/^#/, '');
408 function session_store (new_value)
410 window.location.hash = '#' + new_value;
414 function update_history ()
416 var session = session_encode();
417 session_store(session);
418 old_session = session;
422 function session_check ()
424 var session = session_read();
425 var action = document.search.action_type.value;
427 clearInterval(url_surveillence);
429 if ( session != unescape(old_session) )
431 session_restore(session);
433 if (action == 'search') {
435 } else if (action == 'page') {
438 alert('Unregocnized action_type: ' + action);
443 url_surveillence = setInterval(session_check, 200);