source: main/trunk/greenstone3/web/interfaces/default/js/javascript-global-functions.js@ 26396

Last change on this file since 26396 was 26396, checked in by sjm84, 11 years ago

Rewriting classifier_scripts using jQuery
File size: 15.0 KB
Line 
1gs.functions = new Array();
2
3gs.jqGet = function(id)
4{
5 return $("#" + id.replace(/\./g, "\\."));
6}
7
8gs.functions.ajaxRequest = function()
9{
10 var activexmodes=["Msxml2.XMLHTTP", "Microsoft.XMLHTTP"];
11 if(window.ActiveXObject)
12 {
13 for (var i=0; i<activexmodes.length; i++)
14 {
15 try
16 {
17 return new ActiveXObject(activexmodes[i]);
18 }
19 catch(e){}
20 }
21 }
22 else if (window.XMLHttpRequest)
23 {
24 return new XMLHttpRequest();
25 }
26 else
27 {
28 return false
29 }
30}
31
32gs.functions.hasClass = function(elem, classVal)
33{
34 if(!elem || !elem.getAttribute("class"))
35 {
36 return false;
37 }
38
39 return (elem.getAttribute("class").search(classVal) != -1)
40}
41
42gs.functions.getElementsByClassName = function(cl)
43{
44 var nodes = new Array();
45 var classRegEx = new RegExp('\\b'+cl+'\\b');
46 var allElems = document.getElementsByTagName('*');
47
48 for (var i = 0; i < allElems.length; i++)
49 {
50 var classes = allElems[i].className;
51 if (classRegEx.test(classes))
52 {
53 nodes.push(allElems[i]);
54 }
55 }
56 return nodes;
57};
58
59gs.functions.makeToggle = function(buttons, divs)
60{
61 var buttonArray = (buttons.length) ? buttons : [buttons];
62 var divArray = (divs.length) ? divs : [divs];
63
64 for(var i = 0; i < buttonArray.length; i++)
65 {
66 buttonArray[i].onclick = function()
67 {
68 for(var j = 0; j < divArray.length; j++)
69 {
70 if(divArray[j].style.display == "none")
71 {
72 divArray[j].style.display = "block";
73 }
74 else
75 {
76 divArray[j].style.display = "none";
77 }
78 }
79
80 for(var j = 0; j < buttonArray.length; j++)
81 {
82 if(buttonArray[j].getAttribute("src") == gs.imageURLs.collapse)
83 {
84 buttonArray[j].setAttribute("src", gs.imageURLs.expand);
85 }
86 else if(buttonArray[j].getAttribute("src") == gs.imageURLs.expand)
87 {
88 buttonArray[j].setAttribute("src", gs.imageURLs.collapse);
89 }
90 }
91 };
92 }
93}
94
95gs.functions.buildCollections = function(collections, finalFunction)
96{
97 if(!collections || collections.length == 0)
98 {
99 console.log("List of collections to build is empty");
100 return;
101 }
102
103 var counter = 0;
104 var buildFunction = function()
105 {
106 var ajax = new gs.functions.ajaxRequest();
107 ajax.open("GET", _baseURL + "?a=g&rt=r&ro=1&s=BuildCollection&s1.collection=" + collections[counter]);
108 ajax.onreadystatechange = function()
109 {
110 if(ajax.readyState == 4 && ajax.status == 200)
111 {
112 var text = ajax.responseText;
113 var xml = validateXML(text);
114
115 if(!xml || checkForErrors(xml))
116 {
117 console.log("Could not build collection -> " + collections[counter] + ", aborting");
118 return;
119 }
120
121 var status = xml.getElementsByTagName("status")[0];
122 var pid = status.getAttribute("pid");
123
124 startCheckLoop(pid, "BuildCollection", function()
125 {
126 var localAjax = new gs.functions.ajaxRequest();
127 localAjax.open("GET", _baseURL + "?a=g&rt=r&ro=1&s=ActivateCollection&s1.collection=" + collections[counter], true);
128 localAjax.onreadystatechange = function()
129 {
130 if(localAjax.readyState == 4 && localAjax.status == 200)
131 {
132 var localText = localAjax.responseText;
133 var localXML = validateXML(localText);
134
135 if(!xml || checkForErrors(xml))
136 {
137 console.log("Could not activate collection -> " + collections[counter] + ", aborting");
138 return;
139 }
140
141 var localStatus = localXML.getElementsByTagName("status")[0];
142 if(localStatus)
143 {
144 var localPID = localStatus.getAttribute("pid");
145 startCheckLoop(localPID, "ActivateCollection", function()
146 {
147 if (++counter == _collections.length)
148 {
149 //Run this function once we are done building all the collections
150 if(finalFunction){finalFunction();}
151 }
152 else
153 {
154 buildFunction();
155 }
156 });
157 }
158 }
159 }
160 localAjax.send();
161 });
162 }
163 }
164 ajax.send();
165 }
166 buildFunction();
167}
168
169function startCheckLoop(pid, serverFunction, callbackFunction)
170{
171 var ajaxFunction = function()
172 {
173 var ajax = new gs.functions.ajaxRequest();
174 ajax.open("GET", _baseURL + "?a=g&rt=s&ro=1&s=" + serverFunction + "&s1.pid=" + pid, true);
175 ajax.onreadystatechange = function()
176 {
177 if(ajax.readyState == 4 && ajax.status == 200)
178 {
179 var text = ajax.responseText;
180 var xml = validateXML(text);
181
182 if(!xml || checkForErrors(xml))
183 {
184 console.log("Could not check status of " + serverFunction + ", there was an error in the XML, aborting");
185 return;
186 }
187
188 var status = xml.getElementsByTagName("status")[0];
189 var code = status.getAttribute("code");
190
191 if (code == COMPLETED || code == SUCCESS)
192 {
193 callbackFunction();
194 }
195 else if (code == HALTED || code == ERROR)
196 {
197 console.log("Could not check status of " + serverFunction + ", there was an error on the server, aborting");
198 }
199 else
200 {
201 setTimeout(ajaxFunction, 1000);
202 }
203 }
204 }
205 ajax.send();
206 }
207 ajaxFunction();
208}
209
210function inc(a, b)
211{
212 var carry = 0;
213 var num = 0;
214 var i = 0;
215
216 while((carry || (i < a.length) || (i < b.length)) && (i < 100))
217 {
218 num = carry;
219 if(i < a.length){num += a[i];}
220 if(i < b.length){num += b[i];}
221
222 if(num >= 256)
223 {
224 num -= 256;
225 carry = 1;
226 }
227 else
228 {
229 carry = 0;
230 }
231
232 a[i] = num;
233
234 i++;
235 }
236}
237
238function ifposDec(a, b)
239{
240 var carry = 0;
241 var num = 0;
242 var i = 0;
243
244 if(b.length > a.length){return a;}
245 if(b.length == a.length)
246 {
247 i = a.length - 1;
248 while(i >= 0)
249 {
250 if(a[i] > b[i]){break;}
251 if(a[i] < b[i]){return a;}
252 i--;
253 }
254 }
255
256 i = 0;
257 var len = 0;
258 var outString = "";
259 while((i < a.length) || (i < b.length))
260 {
261 num = -carry;
262 if(i < a.length){num += a[i];}
263 if(i < b.length){num -= b[i];}
264
265 if(num < 0)
266 {
267 num += 256;
268 carry = 1;
269 }
270 else
271 {
272 carry = 0;
273 }
274
275 a[i] = num;
276 outString += num + ","
277 i++
278
279 if(num != 0){len = i}
280 }
281
282 if(len < a.length)
283 {
284 a = a.slice(0, len);
285 }
286
287 return a;
288}
289
290function convertNum(a)
291{
292 var result = new Array();
293 var i;
294 var convert = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"];
295
296 if(a.length == 0)
297 {
298 result.push("0");
299 return result;
300 }
301
302 for(i = a.length - 1; i >= 0; i--)
303 {
304 result.push(convert[Math.floor(a[i]/16)]);
305 result.push(convert[Math.floor(a[i]%16)]);
306 }
307
308 var resultString = "";
309 for(var j = 0; j < result.length; j++)
310 {
311 resultString += result[j];
312 }
313
314 return resultString;
315}
316
317gs.functions.hashString = function(str)
318{
319 var remainder = new Array();
320 var primePow = new Array();
321 var pow =
322 [
323 255, 255, 255,
324 255, 255, 255,
325 255, 255, 255,
326 255, 255, 1
327 ];
328
329 for(var i = 0; i < 8; i++)
330 {
331 primePow.push(pow.slice()); //The javascript way to do an array copy (yuck!)
332 inc(pow, pow);
333 }
334
335 for(var i = 0; i < str.length; i++)
336 {
337 var c = str.charCodeAt(i);
338
339 if(remainder.length == 99)
340 {
341 return null;
342 }
343
344 for(var j = remainder.length; j > 0; j--)
345 {
346 remainder[j] = remainder[j-1];
347 }
348 remainder[0] = c;
349
350 for(var j = 7; j >= 0; j--)
351 {
352 remainder = ifposDec(remainder, primePow[j]);
353 }
354 }
355
356 return convertNum(remainder);
357}
358
359function callMetadataServer(callingFunction, url, responseFunction)
360{
361 var ajax = new gs.functions.ajaxRequest();
362 ajax.open("GET", url, true);
363 ajax.onreadystatechange = function()
364 {
365 if(ajax.readyState == 4 && ajax.status == 200)
366 {
367 console.log("(" + callingFunction + ") Response received from server: " + ajax.responseText);
368
369 if(responseFunction != null)
370 {
371 responseFunction(ajax.responseText);
372 }
373 }
374 else if(ajax.readyState == 4)
375 {
376 console.log("(" + callingFunction + ") Failed");
377 }
378 }
379 ajax.send();
380}
381
382/*************************
383* SET METADATA FUNCTIONS *
384*************************/
385
386gs.functions.setImportMetadata = function(collection, site, documentID, metadataName, metadataValue, prevMetadataValue, metamode, responseFunction)
387{
388 callMetadataServer("setImportMetadata", "cgi-bin/metadata-server.pl?a=set-import-metadata&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName + "&metavalue=" + metadataValue + "&prevmetavalue=" + prevMetadataValue + "&metamode=" + metamode, responseFunction);
389}
390
391gs.functions.setArchivesMetadata = function(collection, site, documentID, metadataName, metadataPosition, metadataValue, prevMetadataValue, metamode, responseFunction)
392{
393 if(metadataPosition != null)
394 {
395 callMetadataServer("setArchivesMetadata", "cgi-bin/metadata-server.pl?a=set-archives-metadata&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName + "&metapos=" + metadataPosition + "&metavalue=" + metadataValue + "&metamode=" + metamode, responseFunction);
396 }
397 else if(prevMetadataValue != null)
398 {
399 callMetadataServer("setArchivesMetadata", "cgi-bin/metadata-server.pl?a=set-archives-metadata&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName + "&metavalue=" + metadataValue + "&prevmetavalue=" + prevMetadataValue + "&metamode=" + metamode, responseFunction);
400 }
401 else
402 {
403 callMetadataServer("setArchivesMetadata", "cgi-bin/metadata-server.pl?a=set-archives-metadata&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName + "&metavalue=" + metadataValue + "&metamode=" + metamode, responseFunction);
404 }
405}
406
407gs.functions.setIndexMetadata = function(collection, site, documentID, metadataName, metadataPosition, metadataValue, prevMetadataValue, metamode, responseFunction)
408{
409 if(metadataPosition != null)
410 {
411 callMetadataServer("setIndexMetadata", "cgi-bin/metadata-server.pl?a=set-metadata&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName + "&metapos=" + metadataPosition + "&metavalue=" + metadataValue + "&metamode=" + metamode, responseFunction);
412 }
413 else if(prevMetadataValue != null)
414 {
415 callMetadataServer("setIndexMetadata", "cgi-bin/metadata-server.pl?a=set-metadata&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName + "&metavalue=" + metadataValue + "&prevmetavalue=" + prevMetadataValue + "&metamode=" + metamode, responseFunction);
416 }
417}
418
419gs.functions.setMetadata = function(collection, site, documentID, metadataName, metadataValue, metamode, responseFunction)
420{
421 var nameArray = ["setImportMetadata", "setArchivesMetadata", "setIndexMetadata"];
422 var functionArray = ["set-import-metadata", "set-archives-metadata", "set-metadata"];
423
424 for(var i = 0; i < nameArray.length; i++)
425 {
426 callMetadataServer(nameArray[i], "cgi-bin/metadata-server.pl?a=" + functionArray[i] + "&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName + "&metavalue=" + metadataValue + "&metamode=" + metamode, responseFunction);
427 }
428}
429
430/*************************
431* GET METADATA FUNCTIONS *
432*************************/
433
434gs.functions.getImportMetadata = function(collection, site, documentID, metadataName, responseFunction)
435{
436 var url = "cgi-bin/metadata-server.pl?a=get-import-metadata&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName;
437 callMetadataServer("getImportMetadata", url, function(responseText)
438 {
439 var metadata = new GSMetadata(collection, site, documentID, metadataName, null, responseText);
440 if(responseFunction != null)
441 {
442 responseFunction(metadata);
443 }
444 });
445}
446
447gs.functions.getArchivesMetadata = function(collection, site, documentID, metadataName, metadataPosition, responseFunction)
448{
449 var url = "cgi-bin/metadata-server.pl?a=get-archives-metadata&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName;
450 if(metadataPosition != null)
451 {
452 url += "&metapos=" + metadataPosition;
453 }
454
455 callMetadataServer("getArchivesMetadata", url, function(responseText)
456 {
457 var metadata = new GSMetadata(collection, site, documentID, metadataName, metadataPosition, responseText);
458 if(responseFunction != null)
459 {
460 responseFunction(metadata);
461 }
462 });
463}
464
465gs.functions.getIndexMetadata = function(collection, site, documentID, metadataName, metadataPosition, responseFunction)
466{
467 var url = "cgi-bin/metadata-server.pl?a=get-metadata&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName;
468 if(metadataPosition != null)
469 {
470 url += "&metapos=" + metadataPosition;
471 }
472
473 callMetadataServer("getIndexMetadata", url, function(responseText)
474 {
475 var metadata = new GSMetadata(collection, site, documentID, metadataName, metadataPosition, responseText);
476
477 if(responseFunction != null)
478 {
479 responseFunction(metadata);
480 }
481 });
482}
483
484/****************************
485* REMOVE METADATA FUNCTIONS *
486****************************/
487
488gs.functions.removeImportMetadata = function(collection, site, documentID, metadataName, metadataValue, responseFunction)
489{
490 callMetadataServer("removeImportMetadata", "cgi-bin/metadata-server.pl?a=remove-import-metadata&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName + "&metavalue=" + metadataValue, responseFunction);
491}
492
493gs.functions.removeArchivesMetadata = function(collection, site, documentID, metadataName, metadataPosition, metadataValue, responseFunction)
494{
495 if(metadataPosition != null)
496 {
497 callMetadataServer("removeArchiveMetadata", "cgi-bin/metadata-server.pl?a=remove-archives-metadata&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName + "&metapos=" + metadataPosition, responseFunction);
498 }
499 else if(metadataValue != null)
500 {
501 callMetadataServer("removeArchiveMetadata", "cgi-bin/metadata-server.pl?a=remove-archives-metadata&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName + "&metavalue=" + metadataValue, responseFunction);
502 }
503}
504
505gs.functions.removeIndexMetadata = function(collection, site, documentID, metadataName, metadataPosition, metadataValue, responseFunction)
506{
507 if(metadataPosition != null)
508 {
509 callMetadataServer("removeIndexMetadata", "cgi-bin/metadata-server.pl?a=remove-metadata&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName + "&metapos=" + metadataPosition, responseFunction);
510 }
511 else if(metadataValue != null)
512 {
513 callMetadataServer("removeIndexMetadata", "cgi-bin/metadata-server.pl?a=remove-metadata&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName + "&metavalue=" + metadataValue, responseFunction);
514 }
515}
516
517gs.functions.removeMetadata = function(collection, site, documentID, metadataName, metadataValue, responseFunction)
518{
519 var nameArray = ["removeImportMetadata", "removeArchivesMetadata", "removeIndexMetadata"];
520 var functionArray = ["remove-import-metadata", "remove-archives-metadata", "remove-metadata"];
521
522 for(var i = 0; i < nameArray.length; i++)
523 {
524 callMetadataServer(nameArray[i], "cgi-bin/metadata-server.pl?a=" + functionArray[i] + "&c=" + collection + "&site=" + site + "&d=" + documentID + "&metaname=" + metadataName + "&metavalue=" + metadataValue, responseFunction);
525 }
526}
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