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common.js
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/*
+-----------------------------------------------------------------------+
| RoundCube common js library |
| |
| This file is part of the RoundCube web development suite |
| Copyright (C) 2005-2007, RoundCube Dev, - Switzerland |
| Licensed under the GNU GPL |
| |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
$Id$
*/
// Constants
var CONTROL_KEY = 1;
var SHIFT_KEY = 2;
var CONTROL_SHIFT_KEY = 3;
/**
* Default browser check class
* @construcotr
*/
function roundcube_browser()
{
this.ver = parseFloat(navigator.appVersion);
this.appver = navigator.appVersion;
this.agent = navigator.userAgent;
this.name = navigator.appName;
this.vendor = navigator.vendor ? navigator.vendor : '';
this.vendver = navigator.vendorSub ? parseFloat(navigator.vendorSub) : 0;
this.product = navigator.product ? navigator.product : '';
this.platform = String(navigator.platform).toLowerCase();
this.lang = (navigator.language) ? navigator.language.substring(0,2) :
(navigator.browserLanguage) ? navigator.browserLanguage.substring(0,2) :
(navigator.systemLanguage) ? navigator.systemLanguage.substring(0,2) : 'en';
this.win = (this.platform.indexOf('win')>=0) ? true : false;
this.mac = (this.platform.indexOf('mac')>=0) ? true : false;
this.linux = (this.platform.indexOf('linux')>=0) ? true : false;
this.unix = (this.platform.indexOf('unix')>=0) ? true : false;
this.dom = document.getElementById ? true : false;
this.dom2 = (document.addEventListener && document.removeEventListener);
this.ie = (document.all) ? true : false;
this.ie4 = (this.ie && !this.dom);
this.ie5 = (this.dom && this.appver.indexOf('MSIE 5')>0);
this.ie8 = (this.dom && this.appver.indexOf('MSIE 8')>0);
this.ie7 = (this.dom && this.appver.indexOf('MSIE 7')>0);
this.ie6 = (this.dom && !this.ie8 && !this.ie7 && this.appver.indexOf('MSIE 6')>0);
this.mz = (this.dom && this.ver>=5); // (this.dom && this.product=='Gecko')
this.ns = ((this.ver<5 && this.name=='Netscape') || (this.ver>=5 && this.vendor.indexOf('Netscape')>=0));
this.ns6 = (this.ns && parseInt(this.vendver)==6); // (this.mz && this.ns) ? true : false;
this.ns7 = (this.ns && parseInt(this.vendver)==7); // this.agent.indexOf('Netscape/7')>0);
this.safari = (this.agent.toLowerCase().indexOf('safari')>0 || this.agent.toLowerCase().indexOf('applewebkit')>0);
this.konq = (this.agent.toLowerCase().indexOf('konqueror')>0);
this.opera = (window.opera) ? true : false;
if(this.opera && window.RegExp)
this.vendver = (/opera(\s|\/)([0-9\.]+)/i.test(navigator.userAgent)) ? parseFloat(RegExp.$2) : -1;
else if(!this.vendver && this.safari)
this.vendver = (/(safari|applewebkit)\/([0-9]+)/i.test(this.agent)) ? parseInt(RegExp.$2) : 0;
else if((!this.vendver && this.mz) || this.agent.indexOf('Camino')>0)
this.vendver = (/rv:([0-9\.]+)/.test(this.agent)) ? parseFloat(RegExp.$1) : 0;
else if(this.ie && window.RegExp)
this.vendver = (/msie\s+([0-9\.]+)/i.test(this.agent)) ? parseFloat(RegExp.$1) : 0;
else if(this.konq && window.RegExp)
this.vendver = (/khtml\/([0-9\.]+)/i.test(this.agent)) ? parseFloat(RegExp.$1) : 0;
// get real language out of safari's user agent
if(this.safari && (/;\s+([a-z]{2})-[a-z]{2}\)/i.test(this.agent)))
this.lang = RegExp.$1;
this.dhtml = ((this.ie4 && this.win) || this.ie5 || this.ie6 || this.ns4 || this.mz);
this.vml = (this.win && this.ie && this.dom && !this.opera);
this.pngalpha = (this.mz || (this.opera && this.vendver>=6) || (this.ie && this.mac && this.vendver>=5) ||
(this.ie && this.win && this.vendver>=5.5) || this.safari);
this.opacity = (this.mz || (this.ie && this.vendver>=5.5 && !this.opera) || (this.safari && this.vendver>=100));
this.cookies = navigator.cookieEnabled;
// test for XMLHTTP support
this.xmlhttp_test = function()
{
var activeX_test = new Function("try{var o=new ActiveXObject('Microsoft.XMLHTTP');return true;}catch(err){return false;}");
this.xmlhttp = (window.XMLHttpRequest || (window.ActiveXObject && activeX_test())) ? true : false;
return this.xmlhttp;
}
}
// static functions for DOM event handling
var rcube_event = {
/**
* returns the event target element
*/
get_target: function(e)
{
e = e || window.event;
return e && e.target ? e.target : e.srcElement;
},
/**
* returns the event key code
*/
get_keycode: function(e)
{
e = e || window.event;
return e && e.keyCode ? e.keyCode : (e && e.which ? e.which : 0);
},
/**
* returns the event key code
*/
get_button: function(e)
{
e = e || window.event;
return e && (typeof e.button != 'undefined') ? e.button : (e && e.which ? e.which : 0);
},
/**
* returns modifier key (constants defined at top of file)
*/
get_modifier: function(e)
{
var opcode = 0;
e = e || window.event;
if (bw.mac && e)
{
opcode += (e.metaKey && CONTROL_KEY) + (e.shiftKey && SHIFT_KEY);
return opcode;
}
if (e)
{
opcode += (e.ctrlKey && CONTROL_KEY) + (e.shiftKey && SHIFT_KEY);
return opcode;
}
},
/**
* Return absolute mouse position of an event
*/
get_mouse_pos: function(e)
{
if (!e) e = window.event;
var mX = (e.pageX) ? e.pageX : e.clientX;
var mY = (e.pageY) ? e.pageY : e.clientY;
if (document.body && document.all)
{
mX += document.body.scrollLeft;
mY += document.body.scrollTop;
}
if (e._offset) {
mX += e._offset.left;
mY += e._offset.top;
}
return { x:mX, y:mY };
},
/**
* Add an object method as event listener to a certain element
*/
add_listener: function(p)
{
if (!p.object || !p.method) // not enough arguments
return;
if (!p.element)
p.element = document;
if (!p.object._rc_events)
p.object._rc_events = [];
var key = p.event + '*' + p.method;
if (!p.object._rc_events[key])
p.object._rc_events[key] = function(e){ return p.object[p.method](e); };
if (p.element.addEventListener)
p.element.addEventListener(p.event, p.object._rc_events[key], false);
else if (p.element.attachEvent)
{
// IE allows multiple events with the same function to be applied to the same object
// forcibly detach the event, then attach
p.element.detachEvent('on'+p.event, p.object._rc_events[key]);
p.element.attachEvent('on'+p.event, p.object._rc_events[key]);
}
else
p.element['on'+p.event] = p.object._rc_events[key];
},
/**
* Remove event listener
*/
remove_listener: function(p)
{
if (!p.element)
p.element = document;
var key = p.event + '*' + p.method;
if (p.object && p.object._rc_events && p.object._rc_events[key]) {
if (p.element.removeEventListener)
p.element.removeEventListener(p.event, p.object._rc_events[key], false);
else if (p.element.detachEvent)
p.element.detachEvent('on'+p.event, p.object._rc_events[key]);
else
p.element['on'+p.event] = null;
}
},
/**
* Prevent event propagation and bubbeling
*/
cancel: function(evt)
{
var e = evt ? evt : window.event;
if (e.preventDefault)
e.preventDefault();
if (e.stopPropagation)
e.stopPropagation();
e.cancelBubble = true;
e.returnValue = false;
return false;
}
};
/**
* rcmail objects event interface
*/
function rcube_event_engine()
{
this._events = {};
}
rcube_event_engine.prototype = {
/**
* Setter for object event handlers
*
* @param {String} Event name
* @param {Function} Handler function
* @return Listener ID (used to remove this handler later on)
*/
addEventListener: function(evt, func, obj)
{
if (!this._events)
this._events = {};
if (!this._events[evt])
this._events[evt] = [];
var e = {func:func, obj:obj ? obj : window};
this._events[evt][this._events[evt].length] = e;
},
/**
* Removes a specific event listener
*
* @param {String} Event name
* @param {Int} Listener ID to remove
*/
removeEventListener: function(evt, func, obj)
{
if (typeof obj == 'undefined')
obj = window;
for (var h,i=0; this._events && this._events[evt] && i < this._events[evt].length; i++)
if ((h = this._events[evt][i]) && h.func == func && h.obj == obj)
this._events[evt][i] = null;
},
/**
* This will execute all registered event handlers
*
* @param {String} Event to trigger
* @param {Object} Event object/arguments
*/
triggerEvent: function(evt, e)
{
var ret, h;
if (typeof e == 'undefined')
e = this;
else if (typeof e == 'object')
e.event = evt;
if (this._events && this._events[evt] && !this._event_exec) {
this._event_exec = true;
for (var i=0; i < this._events[evt].length; i++) {
if ((h = this._events[evt][i])) {
if (typeof h.func == 'function')
ret = h.func.call ? h.func.call(h.obj, e) : h.func(e);
else if (typeof h.obj[h.func] == 'function')
ret = h.obj[h.func](e);
// cancel event execution
if (typeof ret != 'undefined' && !ret)
break;
}
}
}
this._event_exec = false;
return ret;
}
} // end rcube_event_engine.prototype
/**
* RoundCube generic layer (floating box) class
*
* @constructor
*/
function rcube_layer(id, attributes)
{
this.name = id;
// create a new layer in the current document
this.create = function(arg)
{
var l = (arg.x) ? arg.x : 0;
var t = (arg.y) ? arg.y : 0;
var w = arg.width;
var h = arg.height;
var z = arg.zindex;
var vis = arg.vis;
var parent = arg.parent;
var obj;
obj = document.createElement('DIV');
with(obj)
{
id = this.name;
with(style)
{
position = 'absolute';
visibility = (vis) ? (vis==2) ? 'inherit' : 'visible' : 'hidden';
left = l+'px';
top = t+'px';
if (w)
width = w.toString().match(/\%$/) ? w : w+'px';
if (h)
height = h.toString().match(/\%$/) ? h : h+'px';
if(z) zIndex = z;
}
}
if (parent)
parent.appendChild(obj);
else
document.body.appendChild(obj);
this.elm = obj;
};
// create new layer
if(attributes!=null)
{
this.create(attributes);
this.name = this.elm.id;
}
else // just refer to the object
this.elm = document.getElementById(id);
if(!this.elm)
return false;
// ********* layer object properties *********
this.css = this.elm.style;
this.event = this.elm;
this.width = this.elm.offsetWidth;
this.height = this.elm.offsetHeight;
this.x = parseInt(this.elm.offsetLeft);
this.y = parseInt(this.elm.offsetTop);
this.visible = (this.css.visibility=='visible' || this.css.visibility=='show' || this.css.visibility=='inherit') ? true : false;
// ********* layer object methods *********
// move the layer to a specific position
this.move = function(x, y)
{
this.x = x;
this.y = y;
this.css.left = Math.round(this.x)+'px';
this.css.top = Math.round(this.y)+'px';
}
// change the layers width and height
this.resize = function(w,h)
{
this.css.width = w+'px';
this.css.height = h+'px';
this.width = w;
this.height = h;
}
// show or hide the layer
this.show = function(a)
{
if(a==1)
{
this.css.visibility = 'visible';
this.visible = true;
}
else if(a==2)
{
this.css.visibility = 'inherit';
this.visible = true;
}
else
{
this.css.visibility = 'hidden';
this.visible = false;
}
}
// write new content into a Layer
this.write = function(cont)
{
this.elm.innerHTML = cont;
}
}
// check if input is a valid email address
// By Cal Henderson <cal@iamcal.com>
// http://code.iamcal.com/php/rfc822/
function rcube_check_email(input, inline)
{
if (input && window.RegExp)
{
var qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]';
var dtext = '[^\\x0d\\x5b-\\x5d\\x80-\\xff]';
var atom = '[^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-\\x3c\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+';
var quoted_pair = '\\x5c[\\x00-\\x7f]';
var domain_literal = '\\x5b('+dtext+'|'+quoted_pair+')*\\x5d';
var quoted_string = '\\x22('+qtext+'|'+quoted_pair+')*\\x22';
var sub_domain = '('+atom+'|'+domain_literal+')';
var word = '('+atom+'|'+quoted_string+')';
var domain = sub_domain+'(\\x2e'+sub_domain+')*';
var local_part = word+'(\\x2e'+word+')*';
var addr_spec = local_part+'\\x40'+domain;
var delim = '[,;\s\n]';
var reg1 = inline ? new RegExp('(^|<|'+delim+')'+addr_spec+'($|>|'+delim+')', 'i') : new RegExp('^'+addr_spec+'$', 'i');
return reg1.test(input) ? true : false;
}
return false;
}
// find a value in a specific array and returns the index
function find_in_array()
{
var args = find_in_array.arguments;
if(!args.length) return -1;
var haystack = typeof(args[0])=='object' ? args[0] : args.length>1 && typeof(args[1])=='object' ? args[1] : new Array();
var needle = typeof(args[0])!='object' ? args[0] : args.length>1 && typeof(args[1])!='object' ? args[1] : '';
var nocase = args.length==3 ? args[2] : false;
if(!haystack.length) return -1;
for(var i=0; i<haystack.length; i++)
if(nocase && haystack[i].toLowerCase()==needle.toLowerCase())
return i;
else if(haystack[i]==needle)
return i;
return -1;
}
// recursively copy an object
function rcube_clone_object(obj)
{
var out = {};
for (var key in obj) {
if (obj[key] && typeof obj[key] == 'object')
out[key] = clone_object(obj[key]);
else
out[key] = obj[key];
}
return out;
}
// make a string URL safe
function urlencode(str)
{
return window.encodeURIComponent ? encodeURIComponent(str) : escape(str);
}
// get any type of html objects by id/name
function rcube_find_object(id, d)
{
var n, f, obj, e;
if(!d) d = document;
if(d.getElementsByName && (e = d.getElementsByName(id)))
obj = e[0];
if(!obj && d.getElementById)
obj = d.getElementById(id);
if(!obj && d.all)
obj = d.all[id];
if(!obj && d.images.length)
obj = d.images[id];
if (!obj && d.forms.length) {
for (f=0; f<d.forms.length; f++) {
if(d.forms[f].name == id)
obj = d.forms[f];
else if(d.forms[f].elements[id])
obj = d.forms[f].elements[id];
}
}
if (!obj && d.layers) {
if (d.layers[id]) obj = d.layers[id];
for (n=0; !obj && n<d.layers.length; n++)
obj = rcube_find_object(id, d.layers[n].document);
}
return obj;
}
// determine whether the mouse is over the given object or not
function rcube_mouse_is_over(ev, obj)
{
var mouse = rcube_event.get_mouse_pos(ev);
var pos = $(obj).offset();
return ((mouse.x >= pos.left) && (mouse.x < (pos.left + obj.offsetWidth)) &&
(mouse.y >= pos.top) && (mouse.y < (pos.top + obj.offsetHeight)));
}
// cookie functions by GoogieSpell
function setCookie(name, value, expires, path, domain, secure)
{
var curCookie = name + "=" + escape(value) +
(expires ? "; expires=" + expires.toGMTString() : "") +
(path ? "; path=" + path : "") +
(domain ? "; domain=" + domain : "") +
(secure ? "; secure" : "");
document.cookie = curCookie;
}
roundcube_browser.prototype.set_cookie = setCookie;
function getCookie(name)
{
var dc = document.cookie;
var prefix = name + "=";
var begin = dc.indexOf("; " + prefix);
if (begin == -1)
{
begin = dc.indexOf(prefix);
if (begin != 0) return null;
}
else
begin += 2;
var end = document.cookie.indexOf(";", begin);
if (end == -1)
end = dc.length;
return unescape(dc.substring(begin + prefix.length, end));
}
roundcube_browser.prototype.get_cookie = getCookie;
// tiny replacement for Firebox functionality
function rcube_console()
{
this.log = function(msg)
{
var box = rcube_find_object('dbgconsole');
if (box) {
if (msg.charAt(msg.length-1)=='\n')
msg += '--------------------------------------\n';
else
msg += '\n--------------------------------------\n';
// Konqueror doesn't allows to just change value of hidden element
if (bw.konq) {
box.innerText += msg;
box.value = box.innerText;
} else
box.value += msg;
}
};
this.reset = function()
{
var box = rcube_find_object('dbgconsole');
if (box)
box.innerText = box.value = '';
};
}
var bw = new roundcube_browser();
if (!window.console)
console = new rcube_console();
// Add escape() method to RegExp object
// http://dev.rubyonrails.org/changeset/7271
RegExp.escape = function(str)
{
return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
}
// Make getElementById() case-sensitive on IE
if (bw.ie)
{
document._getElementById = document.getElementById;
document.getElementById = function(id)
{
var i = 0;
var o = document._getElementById(id);
if (!o || o.id != id)
while ((o = document.all[i]) && o.id != id)
i++;
return o;
}
}

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