2 +-----------------------------------------------------------------------+
3 | RoundCube common js library |
5 | This file is part of the RoundCube web development suite |
6 | Copyright (C) 2005-2007, RoundCube Dev, - Switzerland |
7 | Licensed under the GNU GPL |
9 +-----------------------------------------------------------------------+
10 | Author: Thomas Bruederli <roundcube@gmail.com> |
11 +-----------------------------------------------------------------------+
13 $Id: common.js 2721 2009-07-07 17:23:55Z alec $
19 var CONTROL_SHIFT_KEY = 3;
23 * Default browser check class
26 function roundcube_browser()
28 this.ver = parseFloat(navigator.appVersion);
29 this.appver = navigator.appVersion;
30 this.agent = navigator.userAgent;
31 this.name = navigator.appName;
32 this.vendor = navigator.vendor ? navigator.vendor : '';
33 this.vendver = navigator.vendorSub ? parseFloat(navigator.vendorSub) : 0;
34 this.product = navigator.product ? navigator.product : '';
35 this.platform = String(navigator.platform).toLowerCase();
36 this.lang = (navigator.language) ? navigator.language.substring(0,2) :
37 (navigator.browserLanguage) ? navigator.browserLanguage.substring(0,2) :
38 (navigator.systemLanguage) ? navigator.systemLanguage.substring(0,2) : 'en';
40 this.win = (this.platform.indexOf('win')>=0) ? true : false;
41 this.mac = (this.platform.indexOf('mac')>=0) ? true : false;
42 this.linux = (this.platform.indexOf('linux')>=0) ? true : false;
43 this.unix = (this.platform.indexOf('unix')>=0) ? true : false;
45 this.dom = document.getElementById ? true : false;
46 this.dom2 = (document.addEventListener && document.removeEventListener);
48 this.ie = (document.all) ? true : false;
49 this.ie4 = (this.ie && !this.dom);
50 this.ie5 = (this.dom && this.appver.indexOf('MSIE 5')>0);
51 this.ie6 = (this.dom && this.appver.indexOf('MSIE 6')>0);
52 this.ie7 = (this.dom && this.appver.indexOf('MSIE 7')>0);
54 this.mz = (this.dom && this.ver>=5); // (this.dom && this.product=='Gecko')
55 this.ns = ((this.ver<5 && this.name=='Netscape') || (this.ver>=5 && this.vendor.indexOf('Netscape')>=0));
56 this.ns6 = (this.ns && parseInt(this.vendver)==6); // (this.mz && this.ns) ? true : false;
57 this.ns7 = (this.ns && parseInt(this.vendver)==7); // this.agent.indexOf('Netscape/7')>0);
58 this.safari = (this.agent.toLowerCase().indexOf('safari')>0 || this.agent.toLowerCase().indexOf('applewebkit')>0);
59 this.konq = (this.agent.toLowerCase().indexOf('konqueror')>0);
61 this.opera = (window.opera) ? true : false;
63 if(this.opera && window.RegExp)
64 this.vendver = (/opera(\s|\/)([0-9\.]+)/i.test(navigator.userAgent)) ? parseFloat(RegExp.$2) : -1;
65 else if(!this.vendver && this.safari)
66 this.vendver = (/(safari|applewebkit)\/([0-9]+)/i.test(this.agent)) ? parseInt(RegExp.$2) : 0;
67 else if((!this.vendver && this.mz) || this.agent.indexOf('Camino')>0)
68 this.vendver = (/rv:([0-9\.]+)/.test(this.agent)) ? parseFloat(RegExp.$1) : 0;
69 else if(this.ie && window.RegExp)
70 this.vendver = (/msie\s+([0-9\.]+)/i.test(this.agent)) ? parseFloat(RegExp.$1) : 0;
71 else if(this.konq && window.RegExp)
72 this.vendver = (/khtml\/([0-9\.]+)/i.test(this.agent)) ? parseFloat(RegExp.$1) : 0;
75 // get real language out of safari's user agent
76 if(this.safari && (/;\s+([a-z]{2})-[a-z]{2}\)/i.test(this.agent)))
77 this.lang = RegExp.$1;
79 this.dhtml = ((this.ie4 && this.win) || this.ie5 || this.ie6 || this.ns4 || this.mz);
80 this.vml = (this.win && this.ie && this.dom && !this.opera);
81 this.pngalpha = (this.mz || (this.opera && this.vendver>=6) || (this.ie && this.mac && this.vendver>=5) ||
82 (this.ie && this.win && this.vendver>=5.5) || this.safari);
83 this.opacity = (this.mz || (this.ie && this.vendver>=5.5 && !this.opera) || (this.safari && this.vendver>=100));
84 this.cookies = navigator.cookieEnabled;
86 // test for XMLHTTP support
87 this.xmlhttp_test = function()
89 var activeX_test = new Function("try{var o=new ActiveXObject('Microsoft.XMLHTTP');return true;}catch(err){return false;}");
90 this.xmlhttp = (window.XMLHttpRequest || (window.ActiveXObject && activeX_test())) ? true : false;
96 // static functions for DOM event handling
100 * returns the event target element
102 get_target: function(e)
104 e = e || window.event;
105 return e && e.target ? e.target : e.srcElement;
109 * returns the event key code
111 get_keycode: function(e)
113 e = e || window.event;
114 return e && e.keyCode ? e.keyCode : (e && e.which ? e.which : 0);
118 * returns the event key code
120 get_button: function(e)
122 e = e || window.event;
123 return e && (typeof e.button != 'undefined') ? e.button : (e && e.which ? e.which : 0);
127 * returns modifier key (constants defined at top of file)
129 get_modifier: function(e)
132 e = e || window.event;
136 opcode += (e.metaKey && CONTROL_KEY) + (e.shiftKey && SHIFT_KEY);
141 opcode += (e.ctrlKey && CONTROL_KEY) + (e.shiftKey && SHIFT_KEY);
147 * Return absolute mouse position of an event
149 get_mouse_pos: function(e)
151 if (!e) e = window.event;
152 var mX = (e.pageX) ? e.pageX : e.clientX;
153 var mY = (e.pageY) ? e.pageY : e.clientY;
155 if (document.body && document.all)
157 mX += document.body.scrollLeft;
158 mY += document.body.scrollTop;
162 mX += e._offset.left;
166 return { x:mX, y:mY };
170 * Add an object method as event listener to a certain element
172 add_listener: function(p)
174 if (!p.object || !p.method) // not enough arguments
177 p.element = document;
179 if (!p.object._rc_events)
180 p.object._rc_events = [];
182 var key = p.event + '*' + p.method;
183 if (!p.object._rc_events[key])
184 p.object._rc_events[key] = function(e){ return p.object[p.method](e); };
186 if (p.element.addEventListener)
187 p.element.addEventListener(p.event, p.object._rc_events[key], false);
188 else if (p.element.attachEvent)
190 // IE allows multiple events with the same function to be applied to the same object
191 // forcibly detach the event, then attach
192 p.element.detachEvent('on'+p.event, p.object._rc_events[key]);
193 p.element.attachEvent('on'+p.event, p.object._rc_events[key]);
196 p.element['on'+p.event] = p.object._rc_events[key];
200 * Remove event listener
202 remove_listener: function(p)
205 p.element = document;
207 var key = p.event + '*' + p.method;
208 if (p.object && p.object._rc_events && p.object._rc_events[key]) {
209 if (p.element.removeEventListener)
210 p.element.removeEventListener(p.event, p.object._rc_events[key], false);
211 else if (p.element.detachEvent)
212 p.element.detachEvent('on'+p.event, p.object._rc_events[key]);
214 p.element['on'+p.event] = null;
219 * Prevent event propagation and bubbeling
221 cancel: function(evt)
223 var e = evt ? evt : window.event;
224 if (e.preventDefault)
226 if (e.stopPropagation)
229 e.cancelBubble = true;
230 e.returnValue = false;
238 * rcmail objects event interface
240 function rcube_event_engine()
245 rcube_event_engine.prototype = {
248 * Setter for object event handlers
250 * @param {String} Event name
251 * @param {Function} Handler function
252 * @return Listener ID (used to remove this handler later on)
254 addEventListener: function(evt, func, obj)
258 if (!this._events[evt])
259 this._events[evt] = [];
261 var e = {func:func, obj:obj ? obj : window};
262 this._events[evt][this._events[evt].length] = e;
266 * Removes a specific event listener
268 * @param {String} Event name
269 * @param {Int} Listener ID to remove
271 removeEventListener: function(evt, func, obj)
273 if (typeof obj == 'undefined')
276 for (var h,i=0; this._events && this._events[evt] && i < this._events[evt].length; i++)
277 if ((h = this._events[evt][i]) && h.func == func && h.obj == obj)
278 this._events[evt][i] = null;
282 * This will execute all registered event handlers
284 * @param {String} Event to trigger
285 * @param {Object} Event object/arguments
287 triggerEvent: function(evt, e)
290 if (typeof e == 'undefined')
292 else if (typeof e == 'object')
295 if (this._events && this._events[evt] && !this._event_exec) {
296 this._event_exec = true;
297 for (var i=0; i < this._events[evt].length; i++) {
298 if ((h = this._events[evt][i])) {
299 if (typeof h.func == 'function')
300 ret = h.func.call ? h.func.call(h.obj, e) : h.func(e);
301 else if (typeof h.obj[h.func] == 'function')
302 ret = h.obj[h.func](e);
304 // cancel event execution
305 if (typeof ret != 'undefined' && !ret)
311 this._event_exec = false;
315 } // end rcube_event_engine.prototype
320 * RoundCube generic layer (floating box) class
324 function rcube_layer(id, attributes)
328 // create a new layer in the current document
329 this.create = function(arg)
331 var l = (arg.x) ? arg.x : 0;
332 var t = (arg.y) ? arg.y : 0;
337 var parent = arg.parent;
340 obj = document.createElement('DIV');
347 position = 'absolute';
348 visibility = (vis) ? (vis==2) ? 'inherit' : 'visible' : 'hidden';
352 width = w.toString().match(/\%$/) ? w : w+'px';
354 height = h.toString().match(/\%$/) ? h : h+'px';
360 parent.appendChild(obj);
362 document.body.appendChild(obj);
371 this.create(attributes);
372 this.name = this.elm.id;
374 else // just refer to the object
375 this.elm = document.getElementById(id);
382 // ********* layer object properties *********
384 this.css = this.elm.style;
385 this.event = this.elm;
386 this.width = this.elm.offsetWidth;
387 this.height = this.elm.offsetHeight;
388 this.x = parseInt(this.elm.offsetLeft);
389 this.y = parseInt(this.elm.offsetTop);
390 this.visible = (this.css.visibility=='visible' || this.css.visibility=='show' || this.css.visibility=='inherit') ? true : false;
393 // ********* layer object methods *********
396 // move the layer to a specific position
397 this.move = function(x, y)
401 this.css.left = Math.round(this.x)+'px';
402 this.css.top = Math.round(this.y)+'px';
405 // change the layers width and height
406 this.resize = function(w,h)
408 this.css.width = w+'px';
409 this.css.height = h+'px';
415 // show or hide the layer
416 this.show = function(a)
420 this.css.visibility = 'visible';
425 this.css.visibility = 'inherit';
430 this.css.visibility = 'hidden';
431 this.visible = false;
436 // write new content into a Layer
437 this.write = function(cont)
439 this.elm.innerHTML = cont;
445 // check if input is a valid email address
446 // By Cal Henderson <cal@iamcal.com>
447 // http://code.iamcal.com/php/rfc822/
448 function rcube_check_email(input, inline)
450 if (input && window.RegExp)
452 var qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]';
453 var dtext = '[^\\x0d\\x5b-\\x5d\\x80-\\xff]';
454 var atom = '[^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-\\x3c\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+';
455 var quoted_pair = '\\x5c[\\x00-\\x7f]';
456 var domain_literal = '\\x5b('+dtext+'|'+quoted_pair+')*\\x5d';
457 var quoted_string = '\\x22('+qtext+'|'+quoted_pair+')*\\x22';
458 var sub_domain = '('+atom+'|'+domain_literal+')';
459 var word = '('+atom+'|'+quoted_string+')';
460 var domain = sub_domain+'(\\x2e'+sub_domain+')*';
461 var local_part = word+'(\\x2e'+word+')*';
462 var addr_spec = local_part+'\\x40'+domain;
463 var delim = '[,;\s\n]';
464 var reg1 = inline ? new RegExp('(^|<|'+delim+')'+addr_spec+'($|>|'+delim+')', 'i') : new RegExp('^'+addr_spec+'$', 'i');
465 return reg1.test(input) ? true : false;
471 // find a value in a specific array and returns the index
472 function find_in_array()
474 var args = find_in_array.arguments;
475 if(!args.length) return -1;
477 var haystack = typeof(args[0])=='object' ? args[0] : args.length>1 && typeof(args[1])=='object' ? args[1] : new Array();
478 var needle = typeof(args[0])!='object' ? args[0] : args.length>1 && typeof(args[1])!='object' ? args[1] : '';
479 var nocase = args.length==3 ? args[2] : false;
481 if(!haystack.length) return -1;
483 for(var i=0; i<haystack.length; i++)
484 if(nocase && haystack[i].toLowerCase()==needle.toLowerCase())
486 else if(haystack[i]==needle)
493 // make a string URL safe
494 function urlencode(str)
496 return window.encodeURIComponent ? encodeURIComponent(str) : escape(str);
500 // get any type of html objects by id/name
501 function rcube_find_object(id, d)
506 if(d.getElementsByName && (e = d.getElementsByName(id)))
508 if(!obj && d.getElementById)
509 obj = d.getElementById(id);
513 if(!obj && d.images.length)
516 if (!obj && d.forms.length) {
517 for (f=0; f<d.forms.length; f++) {
518 if(d.forms[f].name == id)
520 else if(d.forms[f].elements[id])
521 obj = d.forms[f].elements[id];
525 if (!obj && d.layers) {
526 if (d.layers[id]) obj = d.layers[id];
527 for (n=0; !obj && n<d.layers.length; n++)
528 obj = rcube_find_object(id, d.layers[n].document);
534 // determine whether the mouse is over the given object or not
535 function rcube_mouse_is_over(ev, obj)
537 var mouse = rcube_event.get_mouse_pos(ev);
538 var pos = $(obj).offset();
540 return ((mouse.x >= pos.left) && (mouse.x < (pos.left + obj.offsetWidth)) &&
541 (mouse.y >= pos.top) && (mouse.y < (pos.top + obj.offsetHeight)));
545 // cookie functions by GoogieSpell
546 function setCookie(name, value, expires, path, domain, secure)
548 var curCookie = name + "=" + escape(value) +
549 (expires ? "; expires=" + expires.toGMTString() : "") +
550 (path ? "; path=" + path : "") +
551 (domain ? "; domain=" + domain : "") +
552 (secure ? "; secure" : "");
553 document.cookie = curCookie;
556 roundcube_browser.prototype.set_cookie = setCookie;
558 function getCookie(name)
560 var dc = document.cookie;
561 var prefix = name + "=";
562 var begin = dc.indexOf("; " + prefix);
565 begin = dc.indexOf(prefix);
566 if (begin != 0) return null;
570 var end = document.cookie.indexOf(";", begin);
573 return unescape(dc.substring(begin + prefix.length, end));
576 roundcube_browser.prototype.get_cookie = getCookie;
578 // tiny replacement for Firebox functionality
579 function rcube_console()
581 this.log = function(msg)
583 var box = rcube_find_object('dbgconsole');
586 if (msg.charAt(msg.length-1)=='\n')
587 msg += '--------------------------------------\n';
589 msg += '\n--------------------------------------\n';
591 // Konqueror doesn't allows to just change value of hidden element
593 box.innerText += msg;
594 box.value = box.innerText;
600 this.reset = function()
602 var box = rcube_find_object('dbgconsole');
604 box.innerText = box.value = '';
608 var bw = new roundcube_browser();
610 console = new rcube_console();
613 // Add escape() method to RegExp object
614 // http://dev.rubyonrails.org/changeset/7271
615 RegExp.escape = function(str)
617 return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
621 // Make getElementById() case-sensitive on IE
624 document._getElementById = document.getElementById;
625 document.getElementById = function(id)
628 var o = document._getElementById(id);
630 if (!o || o.id != id)
631 while ((o = document.all[i]) && o.id != id)