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source: trunk/expressoMail1_2/js/connector.js @ 584

Revision 584, 15.6 KB checked in by niltonneto, 15 years ago (diff)
Correção do connector devido ao cache.
Property svn:eol-style set to `native` Property svn:executable set to ``*

Line
1	/**************************************** Public variables ***********************************************/
2	var debug_controller =false;
3	var files = new Array();
4	var progressBar;
5
6	if (document.all)
7	{
8	navigator.userAgent.toLowerCase().indexOf('msie 5') != -1 ? is_ie5 = true : is_ie5 = false;
9	is_ie = true;
10	is_moz1_6 = false;
11	is_mozilla = false;
12	is_ns4 = false;
13	}
14	else if (document.getElementById)
15	{
16	navigator.userAgent.toLowerCase().match('mozilla.rv[:]1\.6.gecko') ? is_moz1_6 = true : is_moz1_6 = false;
17	is_ie = false;
18	is_ie5 = false;
19	is_mozilla = true;
20	is_ns4 = false;
21	}
22	else if (document.layers)
23	{
24	is_ie = false;
25	is_ie5 = false
26	is_moz1_6 = false;
27	is_mozilla = false;
28	is_ns4 = true;
29	}
30
31	/**************************************** Connector Class ***********************************************/
32	// Constructor
33	function cConnector()
34	{
35	this.requests = new Array();
36	this.oxmlhttp = null;
37	this.isVisibleBar = false;
38	this.tid = 0;
39	this.progressBar = null;
40	this.oldX = 0;
41	this.oldY = 0;
42	this.updateVersion = "";
43	}
44
45	cConnector.prototype.buildBar = function()
46	{
47	var div = document.getElementById('divProgressBar');
48
49	if(! div) {
50	div = document.createElement("DIV");
51	div.style.visibility = "hidden";
52	div.style.width = "103px";
53	div.id = 'divProgressBar';
54	div.align = "center";
55	div.innerHTML = '  <font face="Verdana" size="2" color="WHITE">'+document.getElementById('txt_loading').value+'...</font> ';
56	div.style.background = "#cc4444";
57	div.style.position = 'fixed';
58	div.style.top = '0px';
59	div.style.right = '0px';
60	document.body.appendChild(div);
61
62	if(is_ie) {
63	var elem = document.all[div.id];
64	elem.style.position="absolute";
65	var root = document.body;
66	var posX = elem.offsetLeft-root.scrollLeft;
67	var posY = elem.offsetTop-root.scrollTop;
68	root.onscroll = function() {
69	elem.style.right = '0px';
70	elem.style.top = (posY + root.scrollTop) + "px";
71	};
72	}
73
74	if(debug_controller) {
75	div = document.createElement("DIV");
76	div.style.width = "800px";
77	div.style.height= "400px";
78	div.id = "debug_controller";
79	div.align='right';
80	document.body.appendChild(div);
81	}
82	}
83	}
84	//------------------------------------ BEGIN: Functions for Connector HTTPRequest -------------------------------------------------//
85	// Serialize Data Method
86	cConnector.prototype.serialize = function(data)
87	{ var _thisObject = this;
88	var f = function(data)
89	{
90	var str_data;
91
92	if (data == null \|\|
93	(typeof(data) == 'string' && data == ''))
94	{
95	str_data = 'N;';
96	}
97
98	else switch(typeof(data))
99	{
100	case 'object':
101	var arrayCount = 0;
102
103	str_data = '';
104
105	for (i in data)
106	{
107	if (i == 'length')
108	{
109	continue;
110	}
111
112	arrayCount++;
113	switch (typeof(i))
114	{
115	case 'number':
116	str_data += 'i:' + i + ';' + _thisObject.serialize(data[i]);
117	break;
118
119	case 'string':
120	str_data += 's:' + i.length + ':"' + i + '";' + _thisObject.serialize(data[i]);
121	break;
122
123	default:
124	showMessage(Element('cc_msg_err_serialize_data_unknown').value);
125	break;
126	}
127	}
128
129	if (!arrayCount)
130	{
131	str_data = 'N;';
132	}
133	else
134	{
135	str_data = 'a:' + arrayCount + ':{' + str_data + '}';
136	}
137
138	break;
139
140	case 'string':
141	str_data = 's:' + data.length + ':"' + data + '";';
142	break;
143
144	case 'number':
145	str_data = 'i:' + data + ';';
146	break;
147
148	case 'boolean':
149	str_data = 'b:' + (data ? '1' : '0') + ';';
150	break;
151
152	default:
153	showMessage(Element('cc_msg_err_serialize_data_unknown').value);
154	return null;
155	}
156
157	return str_data;
158	}
159
160	var sdata = f(data);
161	return sdata;
162	}
163	cConnector.prototype.matchBracket = function(strG, iniPosG)
164	{
165	_thisObject = this;
166	var f = function (str, iniPos)
167	{
168	var nOpen, nClose = iniPos;
169
170	do
171	{
172	nOpen = str.indexOf('{', nClose+1);
173	nClose = str.indexOf('}', nClose+1);
174
175	if (nOpen == -1)
176	{
177	return nClose;
178	}
179
180	if (nOpen < nClose )
181	{
182	nClose = _thisObject.matchBracket(str, nOpen);
183	}
184
185	} while (nOpen < nClose);
186
187	return nClose;
188	}
189
190	return f(strG, iniPosG);
191	}
192
193
194	//Unserialize Data Method
195	cConnector.prototype.unserialize = function(str)
196	{
197
198	_thisObject = this;
199
200	var f = function (str)
201	{
202	switch (str.charAt(0))
203	{
204	case 'a':
205
206	var data = new Array();
207	var n = parseInt( str.substring( str.indexOf(':')+1, str.indexOf(':',2) ) );
208	var arrayContent = str.substring(str.indexOf('{')+1, str.lastIndexOf('}'));
209
210	for (var i = 0; i < n; i++)
211	{
212	var pos = 0;
213
214	/* Process Index */
215	var indexStr = arrayContent.substr(pos, arrayContent.indexOf(';')+1);
216	var index = _thisObject.unserialize(indexStr);
217	pos = arrayContent.indexOf(';', pos)+1;
218
219	/* Process Content */
220	var part = null;
221	switch (arrayContent.charAt(pos))
222	{
223	case 'a':
224	var pos_ = _thisObject.matchBracket(arrayContent, arrayContent.indexOf('{', pos))+1;
225	part = arrayContent.substring(pos, pos_);
226	pos = pos_;
227	data[index] = _thisObject.unserialize(part);
228	break;
229
230	case 's':
231	var pval = arrayContent.indexOf(':', pos+2);
232	var val = parseInt(arrayContent.substring(pos+2, pval));
233	pos = pval + val + 4;
234	data[index] = arrayContent.substr(pval+2, val);
235	break;
236
237	default:
238	part = arrayContent.substring(pos, arrayContent.indexOf(';', pos)+1);
239	pos = arrayContent.indexOf(';', pos)+1;
240	data[index] = _thisObject.unserialize(part);
241	break;
242	}
243	arrayContent = arrayContent.substr(pos);
244	}
245	break;
246
247	case 's':
248	var pos = str.indexOf(':', 2);
249	var val = parseInt(str.substring(2,pos));
250	var data = str.substr(pos+2, val);
251	str = str.substr(pos + 4 + val);
252	break;
253
254	case 'i':
255	case 'd':
256	var pos = str.indexOf(';');
257	var data = parseInt(str.substring(2,pos));
258	str = str.substr(pos + 1);
259	break;
260
261	case 'N':
262	var data = null;
263	str = str.substr(str.indexOf(';') + 1);
264	break;
265
266	case 'b':
267	var data = str.charAt(2) == '1' ? true : false;
268	break;
269	}
270	return data;
271	}
272
273	return f(str);
274	}
275
276	//Create XMLHTTP object Method
277	cConnector.prototype.createXMLHTTP = function ()
278	{
279	try
280	{
281	this.oxmlhttp = new XMLHttpRequest();
282	this.oxmlhttp.overrideMimeType('text/xml');
283	}
284	catch (e)
285	{
286	try
287	{
288	this.oxmlhttp = new ActiveXObject('Msxml2.XMLHTTP');
289	}
290	catch (e1)
291	{
292	try
293	{
294	this.oxmlhttp = new ActiveXObject('Microsoft.XMLHTTP');
295	}
296	catch (e2)
297	{
298	this.oxmlhttp = null;
299	}
300	}
301	}
302
303	}
304
305	// Request Constructor Connector
306	cConnector.prototype.newRequest = function (id, target, method, handler, data)
307	{
308	this.tid = id;
309	if (this.requests[id]) {
310	return false;
311	}
312
313	this.createXMLHTTP();
314	var oxmlhttp = this.oxmlhttp;
315	var _thisObject = this;
316
317	if (! oxmlhttp)
318	return false;
319
320	this.requests[id] = oxmlhttp;
321	this.buildBar();
322	this.showProgressBar();
323
324	var sub_handler = function ()
325	{
326	var progressBar = _thisObject.progressBar;
327
328	try
329	{
330	if (oxmlhttp.readyState == 4 )
331	{
332
333	switch (oxmlhttp.status)
334	{
335
336	case 200:
337	if (typeof(handler) == 'function')
338	{
339	_thisObject.hideProgressBar();
340	var data = _thisObject.unserialize(oxmlhttp.responseText);
341	if ( typeof data == 'undefined' )
342	data = oxmlhttp.responseText;
343	if(debug_controller) {
344	document.getElementById("debug_controller").innerHTML += oxmlhttp.responseText;
345	document.getElementById("debug_controller").innerHTML += "<br>-------------------------------------------------------------------------------------<br>";
346	}
347	handler(data);
348	addToCache(id,data);
349	delete _thisObject.requests[id];
350	_thisObject.requests[id] = null;
351	}
352
353	break;
354
355	case 404:
356
357	alert(get_lang('Page Not Found!'));
358	break;
359
360	default:
361	}
362	}
363	}
364	catch (e)
365	{
366	_thisObject.hideProgressBar();
367	if(debug_controller)
368	alert(e+"\n"+oxmlhttp.responseText);
369	// View Exception in Javascript Console
370	throw(e);
371	}
372
373	}
374
375	try
376	{
377
378	if (method == '' \|\| method == 'GET')
379	{
380	oxmlhttp.open("GET",target,true);
381	if (typeof(handler) == 'function')
382	{
383	oxmlhttp.onreadystatechange = sub_handler;
384	oxmlhttp.send(null);
385	}
386
387	}
388	else if (method == 'POST')
389	{
390	oxmlhttp.open("POST",target, true);
391	oxmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
392	if (typeof(handler) == 'function')
393	{
394	oxmlhttp.onreadystatechange = sub_handler;
395	oxmlhttp.send(data);
396	}
397
398	}
399	}
400	catch(e)
401	{
402	_thisObject.hideProgressBar();
403	if(debug_controller)
404	alert(e);
405	// View Exception in Javascript Console
406	throw(e);
407	}
408
409	return true;
410	}
411	// Cancel Request Connector
412	cConnector.prototype.cancelRequest = function (){
413	if (!this.requests[this.tid]){
414	return false;
415	}
416	this.oxmlhttp.onreadystatechange = null;
417	this.requests[this.tid].abort();
418	this.hideProgressBar();
419	}
420	//------------------------------------ END: Functions for Connector HTTPRequest -------------------------------------------------//
421
422	// ----------------------------------- BEGIN: Functions for build Bar Progress ---------------------------------------------------------//
423	cConnector.prototype.hideProgressBar = function ()
424	{
425	var div = document.getElementById('divProgressBar');
426	div.style.visibility = 'hidden';
427	this.isVisibleBar = false;
428	}
429
430	cConnector.prototype.showProgressBar = function(){
431	var div = document.getElementById('divProgressBar');
432	div.style.visibility = 'visible';
433
434	this.isVisibleBar = true;
435	}
436
437	cConnector.prototype.loadAllScripts = function(scripts) {
438	for(var i = 0; i < scripts.length; i++){
439	this.loadScript(scripts[i]);
440	}
441	}
442
443	cConnector.prototype.loadScript = function(scriptPath) {
444	if (document.getElementById('uploadscript_'+scriptPath)) {
445	return;
446	}
447	var head = document.getElementsByTagName("head")[0];
448	var script = document.createElement("SCRIPT");
449	script.id = 'uploadscript_'+scriptPath;
450	script.type = 'text/javascript';
451
452	if(is_ie) {
453
454	this.oxmlhttp.open("GET", "js/"+scriptPath+".js?"+this.updateVersion, false);
455	this.oxmlhttp.setRequestHeader('Content-Type','text/plain');
456	this.oxmlhttp.send(null);
457	if(this.oxmlhttp.status != 0 && this.oxmlhttp.status != 200 \|\| this.oxmlhttp.status == 0 && this.oxmlhttp.responseText.length == 0)
458	throw new Error("Error " + this.oxmlhttp.status + "("+this.oxmlhttp.statusText+") when loading script file '"+scriptPath+"'");
459	script.text = this.oxmlhttp.responseText;
460	}
461	else {
462	script.src = "js/"+scriptPath+".js?"+this.updateVersion;
463	}
464
465	head.appendChild(script);
466	return;
467	}
468	//------------------------------------ END: Functions for Progress Bar -------------------------------------------------//
469	// Default Controller File
470	var DEFAULT_URL = 'controller.php?action=';
471	// connector object
472	var connector = new cConnector();
473	var _onmouseup = document.onmouseup;
474	var isExecuteForm = false;
475	var id = null;
476
477	var connectorCache = {
478	'valid' : [],
479	'result' : []
480	};
481	var acertos = 0;
482	var naoacertos = 0;
483	var expurgatedCache = new Array(); // Data to purge from cache
484
485	function queryConnectorCache(url,handler){
486	if (connectorCache.valid[url])
487	{
488	handler(connectorCache.result[url]);
489	return true;
490	}
491	else
492	return false;
493	}
494	function purgeCache(){
495	var i;
496	for (i=0; i<= expurgatedCache.length; i++)
497	{
498	connectorCache.valid[expurgatedCache[i]] = false;
499	delete connectorCache.result[expurgatedCache[i]];
500	}
501	}
502	function addToCache(id,data){
503	if (typeof(preferences) =='undefined' \|\| preferences.use_cache != 'True')
504	return false;
505	var func = id.substr(id.lastIndexOf('.')+1);
506	if (func.indexOf('&') > 0)
507	func = func.substr(0,func.indexOf('&'));
508	switch (func){
509	// functions that enters in cache
510	case 'get_preferences':
511	case 'getSharedUsersFrom':
512	case 'get_organizations':
513	case 'get_catalogs':
514	case 'get_dropdown_contacts':
515	case 'get_cc_contacts':
516	case 'get_cc_groups':
517	case 'get_info_msg':
518	case 'getUsersByEmail':
519	case 'br':
520	case 'search_for':
521	case 'quicksearch':
522	connectorCache.valid[id] = true;
523	connectorCache.result[id] = data;
524	break;
525	// function that needs expire
526	case 'get_range_msgs2':
527	case 'get_folders_list':
528	case 'search_msg':
529	connectorCache.valid[id] = true;
530	connectorCache.result[id] = data;
531	var i = expurgatedCache.length;
532	expurgatedCache[i+1] = id;
533	break;
534	//functions that expires the cache
535	case 'move_messages':
536	case 'getReturnExecuteForm':
537	case 'set_messages_flag':
538	purgeCache();
539	default: // no cache
540	break;
541	}
542	}
543
544	// Function executes AJAX
545	// cExecute (url, handler, params)
546	// url: 'module.class.method'
547	// handle: function handle() receive response.
548	// params: parameters for POST method
549	// form: form element (for upload files)
550	function cExecute(url, handler, params, form) {
551	if(isExecuteForm){
552	isExecuteForm = false;
553	document.onmouseup = _onmouseup;
554	}
555	if(form) {
556	cExecuteForm(url, form);
557	return;
558	}
559
560	url = DEFAULT_URL + url;
561
562	if (queryConnectorCache(url,handler))
563	return;
564
565	if(params)
566	method = "POST";
567	else
568	method = "GET";
569
570	id = url;
571	connector.newRequest(id, url, method, handler, params);
572	}
573
574	// This function executes submit values to Controller (POST)
575	// The return is void.
576	// cExecuteForm (url, form)
577	// url: 'module.class.method'
578	// form: form element (for upload files)
579	function cExecuteForm(url, form, handler,id){
580	connector.buildBar();
581	isExecuteForm = true;
582	document.onmouseup = alertBut;
583
584	connector.showProgressBar();
585	if(! (divUpload = document.getElementById('divUpload'))) {
586	divUpload = document.createElement('DIV');
587	divUpload.id = 'divUpload';
588	document.body.appendChild(divUpload);
589	}
590
591	if(! (el = document.getElementById('_action'))) {
592	el = document.createElement('input');
593	el.type = 'hidden';
594	el.id = '_action';
595	el.name = '_action';
596	form.appendChild(el);
597	}
598
599	var divFiles = Element("divFiles_"+id);
600	if (divFiles.firstChild) {
601	el = document.createElement('input');
602	el.type = 'hidden';
603	el.name = 'countFiles';
604	var countDivFiles = 0;
605	try{
606	countDivFiles = parseInt(divFiles.lastChild.firstChild.id.split('_')[2]) + 1; // The id of last file
607	}
608	catch (e) { var countDivFiles = 0; };
609	el.value = countDivFiles ;
610	form.appendChild(el);
611	}
612
613	form._action.value = url;
614	divUpload.innerHTML= "<iframe onload=\"cExecute('$this.functions.getReturnExecuteForm',"+handler+");\" style='display:"+(debug_controller ? "" : "none")+";width:"+(debug_controller ? 400 : 0)+";height:"+(debug_controller ? 400 : 0)+";' name='uploadFile'></iframe>";
615	form.action ="controller.php";
616	form.target ="uploadFile";
617	form.submit();
618	}
619
620
621	function alertBut(e) {
622	if(!e)
623	e = window.event;
624
625	if(_onmouseup)
626	_onmouseup(e);
627
628	if(isExecuteForm) {
629	if(confirm(get_lang("There's an action processing. Do you want abort it?"))) {
630	connector.hideProgressBar();
631	isExecuteForm = false;
632	delete connector.requests[id];
633	connector.requests[id] = null;
634	stop();
635	return;
636	}
637	else
638	return false;
639	}
640	}

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