1 /* $Id: search.js,v 1.1 2006-12-29 10:22:09 sondberg Exp $
2 * ---------------------------------------------------
14 var targetsloaded = false;
21 var session_cells = Array('query');
22 var old_session = session_read();
24 function GetXmlHttpObject()
27 if (window.XMLHttpRequest)
29 objXMLHttp=new XMLHttpRequest()
31 else if (window.ActiveXObject)
33 objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
38 function session_started()
40 if (xinitSession.readyState != 4)
42 var xml = xinitSession.responseXML;
43 var sesid = xml.getElementsByTagName("session")[0].childNodes[0].nodeValue;
44 document.getElementById("status").innerHTML = "Live";
48 function start_session()
50 xinitSession = GetXmlHttpObject();
51 var url="search.pz2?";
52 url += "command=init";
53 xinitSession.onreadystatechange=session_started;
54 xinitSession.open("GET", url);
55 xinitSession.send(null);
58 function targets_loaded()
60 if (xloadTargets.readyState != 4)
62 var xml = xloadTargets.responseXML;
63 var error = xml.getElementsByTagName("error");
66 var msg = error[0].childNodes[0].nodeValue;
70 document.getElementById("targetstatus").innerHTML = "Targets loaded";
73 function load_targets()
75 var fn = document.getElementById("targetfilename").value;
76 clearTimeout(termtimer);
77 clearTimeout(searchtimer);
78 clearTimeout(stattimer);
79 clearTimeout(showtimer);
80 document.getElementById("stat").innerHTML = "";
83 alert("Please enter a target definition file name");
86 var url="search.pz2?" +
88 "&session=" + session +
90 document.getElementById("targetstatus").innerHTML = "Loading targets...";
91 xloadTargets = GetXmlHttpObject();
92 xloadTargets.onreadystatechange=targets_loaded;
93 xloadTargets.open("GET", url);
94 xloadTargets.send(null);
97 function show_records()
99 if (xshow.readyState != 4)
102 var xml = xshow.responseXML;
103 var body = document.getElementById("body");
104 var hits = xml.getElementsByTagName("hit");
105 if (!hits[0]) // We should never get here with blocking operations
107 body.innerHTML = "No records yet";
108 searchtimer = setTimeout(check_search, 250);
113 var total = Number(xml.getElementsByTagName('total')[0].childNodes[0].nodeValue);
114 var merged = Number(xml.getElementsByTagName('merged')[0].childNodes[0].nodeValue);
115 var start = Number(xml.getElementsByTagName('start')[0].childNodes[0].nodeValue);
116 var num = Number(xml.getElementsByTagName('num')[0].childNodes[0].nodeValue);
117 body.innerHTML = '<b>Records : ';
118 body.innerHTML += (start + 1) + ' to ' + (start + num) +
119 ' of ' + merged + ' (total hits: ' + total + ')</b>';
121 if (start + num < merged)
122 body.innerHTML += ' <a href="" ' +
123 'onclick="startrec=' + (start + 20) +
124 ';check_search(); return false;">Next</a>';
127 body.innerHTML += ' <a href="" ' +
128 'onclick="startrec=' + (start - 20) +
129 ';check_search(); return false;">Previous</a>';
131 body.innerHTML += '<br/>';
132 for (i = 0; i < hits.length; i++)
134 body.innerHTML += '<p>';
135 body.innerHTML += (i + start + 1) + ': ';
136 var mk = hits[i].getElementsByTagName("title");
138 body.innerHTML += mk[0].childNodes[0].nodeValue;
139 body.innerHTML += '</p>';
143 searchtimer = setTimeout(check_search, 1000);
145 searchtimer = setTimeout(check_search, 2000);
148 termtimer = setTimeout(check_termlist, 1000);
151 function check_search()
153 clearTimeout(searchtimer);
154 var url = "search.pz2?" +
156 "&start=" + startrec +
158 "&session=" + session +
160 xshow = GetXmlHttpObject();
161 xshow.onreadystatechange=show_records;
162 xshow.open("GET", url);
167 function refine_query (obj) {
168 var query_cell = document.getElementById('query');
169 var subject = obj.innerHTML;
171 subject = subject.replace(/[\(\)]/g, '');
172 query_cell.value += ' and su=(' + subject + ')';
176 function show_termlist()
178 if (xtermlist.readyState != 4)
182 var xml = xtermlist.responseXML;
183 var body = document.getElementById("termlist");
184 var hits = xml.getElementsByTagName("term");
187 termtimer = setTimeout(check_termlist, 1000);
192 body.innerHTML = "<b>Limit results:</b><br>";
193 for (i = 0; i < hits.length; i++)
195 var namen = hits[i].getElementsByTagName("name");
197 body.innerHTML += '<a href="#" onclick="refine_query(this)">' +
198 namen[0].childNodes[0].nodeValue +
201 body.innerHTML += ' (';
202 var freqn = hits[i].getElementsByTagName("frequency");
204 body.innerHTML += freqn[0].childNodes[0].nodeValue;
205 body.innerHTML += ')<br>';
207 body.innerHTML += '<br>';
209 termtimer = setTimeout(check_termlist, 2000);
214 function check_termlist()
216 var url = "search.pz2?" +
218 "&session=" + session;
219 xtermlist = GetXmlHttpObject();
220 xtermlist.onreadystatechange=show_termlist;
221 xtermlist.open("GET", url);
222 xtermlist.send(null);
227 if (xstat.readyState != 4)
230 var xml = xstat.responseXML;
231 var body = document.getElementById("stat");
232 var nodes = xml.childNodes[0].childNodes;
235 stattimer = setTimeout(check_stat, 500);
239 body.innerHTML = "(";
240 for (i = 0; i < nodes.length; i++)
242 if (nodes[i].nodeType != 1)
244 var value = nodes[i].childNodes[0].nodeValue;
247 var name = nodes[i].nodeName;
248 body.innerHTML += ' ' + name + '=' + value;
250 body.innerHTML += ')';
251 stattimer = setTimeout(check_stat, 2000);
255 function check_stat()
257 var url = "search.pz2?" +
259 "&session=" + session;
260 xstat = GetXmlHttpObject();
261 xstat.onreadystatechange=show_stat;
262 xstat.open("GET", url);
266 function search_started()
268 if (xsearch.readyState != 4)
270 var xml = xsearch.responseXML;
271 var error = xml.getElementsByTagName("error");
274 var msg = error[0].childNodes[0].nodeValue;
279 stattimer = setTimeout(check_stat, 1000);
282 function start_search()
284 clearTimeout(termtimer);
286 clearTimeout(searchtimer);
288 clearTimeout(stattimer);
290 clearTimeout(showtimer);
294 alert("Please load targets first");
297 var query = escape(document.getElementById('query').value);
298 var url = "search.pz2?" +
300 "&session=" + session +
302 xsearch = GetXmlHttpObject();
303 xsearch.onreadystatechange=search_started;
304 xsearch.open("GET", url);
306 document.getElementById("termlist").innerHTML = '';
307 document.getElementById("body").innerHTML = '';
314 function session_encode ()
319 for (i = 0; i < session_cells.length; i++)
321 var name = session_cells[i];
322 var value = escape(document.getElementById(name).value);
323 session += '&' + name + '=' + value;
330 function session_restore (session)
332 var fields = session.split(/&/);
335 for (i = 1; i < fields.length; i++)
337 var pair = fields[i].split(/=/);
338 var key = pair.shift();
339 var value = pair.join('=');
340 var cell = document.getElementById(key);
348 function session_read ()
350 var ses = window.location.hash.replace(/^#/, '');
355 function session_store (new_value)
357 window.location.hash = '#' + new_value;
361 function update_history ()
363 var session = session_encode();
364 session_store(session);
365 old_session = session;
369 function session_check ()
371 var session = session_read();
373 clearInterval(url_surveillence);
375 if ( session != unescape(old_session) )
377 session_restore(session);
382 url_surveillence = setInterval(session_check, 200);
386 var url_surveillence = setInterval(session_check, 200);