Object.extend = function(dest, source, replace) {
for(var prop in source) {
if(replace == false && dest[prop] != null) { continue; }
dest[prop] = source[prop];
}
return dest;
};
Object.extend(Function.prototype, {
apply: function(o, a) {
var r, x = "__fapply";
if(typeof o != "object") { o = {}; }
o[x] = this;
var s = "r = o." + x + "(";
for(var i=0; i<a.length; i++) {
if(i>0) { s += ","; }
s += "a[" + i + "]";
}
s += ");";
eval(s);
delete o[x];
return r;
},
bind: function(o) {
if(!Function.__objs) {
Function.__objs = [];
Function.__funcs = [];
}
var objId = o.__oid;
if(!objId) {
Function.__objs[objId = o.__oid = Function.__objs.length] = o;
}
var me = this;
var funcId = me.__fid;
if(!funcId) {
Function.__funcs[funcId = me.__fid = Function.__funcs.length] = me;
}
if(!o.__closures) {
o.__closures = [];
}
var closure = o.__closures[funcId];
if(closure) {
return closure;
}
o = null;
me = null;
return Function.__objs[objId].__closures[funcId] = function() {
return Function.__funcs[funcId].apply(Function.__objs[objId], arguments);
};
}
}, false);
Object.extend(Array.prototype, {
push: function(o) {
this[this.length] = o;
},
addRange: function(items) {
if(items.length > 0) {
for(var i=0; i<items.length; i++) {
this.push(items[i]);
}
}
},
clear: function() {
this.length = 0;
return this;
},
shift: function() {
if(this.length == 0) { return null; }
var o = this[0];
for(var i=0; i<this.length-1; i++) {
this[i] = this[i + 1];
}
this.length--;
return o;
}
}, false);
Object.extend(String.prototype, {
trimLeft: function() {
return this.replace(/^\s*/,"");
},
trimRight: function() {
return this.replace(/\s*$/,"");
},
trim: function() {
return this.trimRight().trimLeft();
},
endsWith: function(s) {
if(this.length == 0 || this.length < s.length) { return false; }
return (this.substr(this.length - s.length) == s);
},
startsWith: function(s) {
if(this.length == 0 || this.length < s.length) { return false; }
return (this.substr(0, s.length) == s);
},
split: function(c) {
var a = [];
if(this.length == 0) return a;
var p = 0;
for(var i=0; i<this.length; i++) {
if(this.charAt(i) == c) {
a.push(this.substring(p, i));
p = ++i;
}
}
a.push(s.substr(p));
return a;
}
}, false);
Object.extend(String, {
format: function(s) {
for(var i=1; i<arguments.length; i++) {
s = s.replace("{" + (i -1) + "}", arguments[i]);
}
return s;
},
isNullOrEmpty: function(s) {
if(s == null || s.length == 0) {
return true;
}
return false;
}
}, false);
if(typeof addEvent == "undefined")
addEvent = function(o, evType, f, capture) {
if(o == null) { return false; }
if(o.addEventListener) {
o.addEventListener(evType, f, capture);
return true;
} else if (o.attachEvent) {
var r = o.attachEvent("on" + evType, f);
return r;
} else {
try{ o["on" + evType] = f; }catch(e){}
}
};
if(typeof removeEvent == "undefined")
removeEvent = function(o, evType, f, capture) {
if(o == null) { return false; }
if(o.removeEventListener) {
o.removeEventListener(evType, f, capture);
return true;
} else if (o.detachEvent) {
o.detachEvent("on" + evType, f);
} else {
try{ o["on" + evType] = function(){}; }catch(e){}
}
};