1 /* $Id: search.js,v 1.3 2007-01-02 11:02:50 sondberg 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 session_started()
48 if (xinitSession.readyState != 4)
50 var xml = xinitSession.responseXML;
51 var sesid = xml.getElementsByTagName("session")[0].childNodes[0].nodeValue;
52 document.getElementById("status").innerHTML = "Live";
56 function start_session()
58 xinitSession = GetXmlHttpObject();
59 var url="search.pz2?";
60 url += "command=init";
61 xinitSession.onreadystatechange=session_started;
62 xinitSession.open("GET", url);
63 xinitSession.send(null);
65 //url_surveillence = setInterval(session_check, 200);
68 function targets_loaded()
70 if (xloadTargets.readyState != 4)
72 var xml = xloadTargets.responseXML;
73 var error = xml.getElementsByTagName("error");
76 var msg = error[0].childNodes[0].nodeValue;
80 document.getElementById("targetstatus").innerHTML = "Targets loaded";
83 function load_targets()
85 var fn = document.getElementById("targetfilename").value;
86 clearTimeout(termtimer);
87 clearTimeout(searchtimer);
88 clearTimeout(stattimer);
89 clearTimeout(showtimer);
90 document.getElementById("stat").innerHTML = "";
93 alert("Please enter a target definition file name");
96 var url="search.pz2?" +
98 "&session=" + session +
100 document.getElementById("targetstatus").innerHTML = "Loading targets...";
101 xloadTargets = GetXmlHttpObject();
102 xloadTargets.onreadystatechange=targets_loaded;
103 xloadTargets.open("GET", url);
104 xloadTargets.send(null);
108 function update_action (new_action) {
109 document.search.action_type.value = new_action;
113 function show_records()
115 if (xshow.readyState != 4)
118 var xml = xshow.responseXML;
119 var body = document.getElementById("body");
120 var hits = xml.getElementsByTagName("hit");
121 if (!hits[0]) // We should never get here with blocking operations
123 body.innerHTML = "No records yet";
124 searchtimer = setTimeout(check_search, 250);
129 var total = Number(xml.getElementsByTagName('total')[0].childNodes[0].nodeValue);
130 var merged = Number(xml.getElementsByTagName('merged')[0].childNodes[0].nodeValue);
131 var start = Number(xml.getElementsByTagName('start')[0].childNodes[0].nodeValue);
132 var num = Number(xml.getElementsByTagName('num')[0].childNodes[0].nodeValue);
133 body.innerHTML = '<b>Records : ';
134 body.innerHTML += (start + 1) + ' to ' + (start + num) +
135 ' of ' + merged + ' (total hits: ' + total + ')</b>';
137 if (start + num < merged)
138 body.innerHTML += ' <a href="" ' +
139 'onclick="document.search.startrec.value=' + (start + 20) +
140 ";update_action('page')" +
141 ';check_search(); update_history(); return false;">Next</a>';
144 body.innerHTML += ' <a href="" ' +
145 'onclick="document.search.startrec.value=' + (start - 20) +
146 ";update_action('page')" +
147 ';check_search(); update_history();return false;">Previous</a>';
149 body.innerHTML += '<br/>';
150 for (i = 0; i < hits.length; i++)
152 body.innerHTML += '<p>';
153 body.innerHTML += (i + start + 1) + ': ';
154 var mk = hits[i].getElementsByTagName("title");
156 body.innerHTML += mk[0].childNodes[0].nodeValue;
157 body.innerHTML += '</p>';
161 searchtimer = setTimeout(check_search, 1000);
163 searchtimer = setTimeout(check_search, 2000);
166 termtimer = setTimeout(check_termlist, 1000);
169 function check_search()
171 clearTimeout(searchtimer);
172 var url = "search.pz2?" +
174 "&start=" + document.search.startrec.value +
176 "&session=" + session +
178 xshow = GetXmlHttpObject();
179 xshow.onreadystatechange=show_records;
180 xshow.open("GET", url);
185 function refine_query (obj) {
186 var query_cell = document.getElementById('query');
187 var subject = obj.innerHTML;
189 subject = subject.replace(/[\(\)]/g, '');
190 query_cell.value += ' and su=(' + subject + ')';
194 function show_termlist()
196 if (xtermlist.readyState != 4)
200 var xml = xtermlist.responseXML;
201 var body = document.getElementById("termlist");
202 var hits = xml.getElementsByTagName("term");
205 termtimer = setTimeout(check_termlist, 1000);
210 body.innerHTML = "<b>Limit results:</b><br>";
211 for (i = 0; i < hits.length; i++)
213 var namen = hits[i].getElementsByTagName("name");
215 body.innerHTML += '<a href="#" onclick="refine_query(this)">' +
216 namen[0].childNodes[0].nodeValue +
218 body.innerHTML += '<br>';
220 termtimer = setTimeout(check_termlist, 2000);
225 function check_termlist()
227 var url = "search.pz2?" +
229 "&session=" + session;
230 xtermlist = GetXmlHttpObject();
231 xtermlist.onreadystatechange=show_termlist;
232 xtermlist.open("GET", url);
233 xtermlist.send(null);
238 if (xstat.readyState != 4)
241 var xml = xstat.responseXML;
242 var body = document.getElementById("stat");
243 var nodes = xml.childNodes[0].childNodes;
246 stattimer = setTimeout(check_stat, 500);
250 body.innerHTML = "(";
251 for (i = 0; i < nodes.length; i++)
253 if (nodes[i].nodeType != 1)
255 var value = nodes[i].childNodes[0].nodeValue;
258 var name = nodes[i].nodeName;
259 body.innerHTML += ' ' + name + '=' + value;
261 body.innerHTML += ')';
262 stattimer = setTimeout(check_stat, 2000);
266 function check_stat()
268 var url = "search.pz2?" +
270 "&session=" + session;
271 xstat = GetXmlHttpObject();
272 xstat.onreadystatechange=show_stat;
273 xstat.open("GET", url);
277 function search_started()
279 if (xsearch.readyState != 4)
281 var xml = xsearch.responseXML;
282 var error = xml.getElementsByTagName("error");
285 var msg = error[0].childNodes[0].nodeValue;
290 stattimer = setTimeout(check_stat, 1000);
293 function start_search()
295 clearTimeout(termtimer);
297 clearTimeout(searchtimer);
299 clearTimeout(stattimer);
301 clearTimeout(showtimer);
305 alert("Please load targets first");
308 var query = escape(document.getElementById('query').value);
309 var url = "search.pz2?" +
311 "&session=" + session +
313 xsearch = GetXmlHttpObject();
314 xsearch.onreadystatechange=search_started;
315 xsearch.open("GET", url);
317 document.getElementById("termlist").innerHTML = '';
318 document.getElementById("body").innerHTML = '';
321 document.search.startrec.value = 0;
325 function session_encode ()
330 for (i = 0; i < session_cells.length; i++)
332 var name = session_cells[i];
333 var value = escape(document.getElementById(name).value);
334 session += '&' + name + '=' + value;
341 function session_restore (session)
343 var fields = session.split(/&/);
346 for (i = 1; i < fields.length; i++)
348 var pair = fields[i].split(/=/);
349 var key = pair.shift();
350 var value = pair.join('=');
351 var cell = document.getElementById(key);
359 function session_read ()
361 var ses = window.location.hash.replace(/^#/, '');
366 function session_store (new_value)
368 window.location.hash = '#' + new_value;
372 function update_history ()
374 var session = session_encode();
375 session_store(session);
376 old_session = session;
380 function session_check ()
382 var session = session_read();
383 var action = document.search.action_type.value;
385 clearInterval(url_surveillence);
387 if ( session != unescape(old_session) )
389 session_restore(session);
391 if (action == 'search') {
393 } else if (action == 'page') {
396 alert('Unregocnized action_type: ' + action);
401 url_surveillence = setInterval(session_check, 200);