/*
 * Ext JS Library 2.0 Copyright(c) 2006-2007, Ext JS, LLC. licensing@extjs.com
 * 
 * http://extjs.com/license
 */

if (typeof jQuery == "undefined") {
	throw "Unable to load Ext, jQuery not found.";
}

(function() {
	var libFlyweight;

	Ext.lib.Dom = {
		getViewWidth : function(full) {
			// jQuery doesn't report full window size on document query, so max
			// both
			return full ? Math.max(jQuery(document).width(), jQuery(window)
							.width()) : jQuery(window).width();
		},

		getViewHeight : function(full) {
			// jQuery doesn't report full window size on document query, so max
			// both
			return full ? Math.max(jQuery(document).height(), jQuery(window)
							.height()) : jQuery(window).height();
		},

		isAncestor : function(p, c) {
			p = Ext.getDom(p);
			c = Ext.getDom(c);
			if (!p || !c) {
				return false;
			}

			if (p.contains && !Ext.isSafari) {
				return p.contains(c);
			} else if (p.compareDocumentPosition) {
				return !!(p.compareDocumentPosition(c) & 16);
			} else {
				var parent = c.parentNode;
				while (parent) {
					if (parent == p) {
						return true;
					} else if (!parent.tagName
							|| parent.tagName.toUpperCase() == "HTML") {
						return false;
					}
					parent = parent.parentNode;
				}
				return false;
			}
		},

		getRegion : function(el) {
			return Ext.lib.Region.getRegion(el);
		},

		// ////////////////////////////////////////////////////////////////////////////////////
		// Use of jQuery.offset() removed to promote consistent behavior across
		// libs.
		// JVS 05/23/07
		// ////////////////////////////////////////////////////////////////////////////////////

		getY : function(el) {
			return this.getXY(el)[1];
		},

		getX : function(el) {
			return this.getXY(el)[0];
		},

		getXY : function(el) {
			var p, pe, b, scroll, bd = (document.body || document.documentElement);
			el = Ext.getDom(el);

			if (el == bd) {
				return [0, 0];
			}

			if (el.getBoundingClientRect) {
				b = el.getBoundingClientRect();
				scroll = fly(document).getScroll();
				return [b.left + scroll.left, b.top + scroll.top];
			}
			var x = 0, y = 0;

			p = el;

			var hasAbsolute = fly(el).getStyle("position") == "absolute";

			while (p) {

				x += p.offsetLeft;
				y += p.offsetTop;

				if (!hasAbsolute && fly(p).getStyle("position") == "absolute") {
					hasAbsolute = true;
				}

				if (Ext.isGecko) {
					pe = fly(p);

					var bt = parseInt(pe.getStyle("borderTopWidth"), 10) || 0;
					var bl = parseInt(pe.getStyle("borderLeftWidth"), 10) || 0;

					x += bl;
					y += bt;

					if (p != el && pe.getStyle('overflow') != 'visible') {
						x += bl;
						y += bt;
					}
				}
				p = p.offsetParent;
			}

			if (Ext.isSafari && hasAbsolute) {
				x -= bd.offsetLeft;
				y -= bd.offsetTop;
			}

			if (Ext.isGecko && !hasAbsolute) {
				var dbd = fly(bd);
				x += parseInt(dbd.getStyle("borderLeftWidth"), 10) || 0;
				y += parseInt(dbd.getStyle("borderTopWidth"), 10) || 0;
			}

			p = el.parentNode;
			while (p && p != bd) {
				if (!Ext.isOpera
						|| (p.tagName != 'TR' && fly(p).getStyle("display") != "inline")) {
					x -= p.scrollLeft;
					y -= p.scrollTop;
				}
				p = p.parentNode;
			}
			return [x, y];
		},

		setXY : function(el, xy) {
			el = Ext.fly(el, '_setXY');
			el.position();
			var pts = el.translatePoints(xy);
			if (xy[0] !== false) {
				el.dom.style.left = pts.left + "px";
			}
			if (xy[1] !== false) {
				el.dom.style.top = pts.top + "px";
			}
		},

		setX : function(el, x) {
			this.setXY(el, [x, false]);
		},

		setY : function(el, y) {
			this.setXY(el, [false, y]);
		}
	};

	// all lib flyweight calls use their own flyweight to prevent collisions
	// with developer flyweights
	function fly(el) {
		if (!libFlyweight) {
			libFlyweight = new Ext.Element.Flyweight();
		}
		libFlyweight.dom = el;
		return libFlyweight;
	}
	Ext.lib.Event = {
		getPageX : function(e) {
			e = e.browserEvent || e;
			return e.pageX;
		},

		getPageY : function(e) {
			e = e.browserEvent || e;
			return e.pageY;
		},

		getXY : function(e) {
			e = e.browserEvent || e;
			return [e.pageX, e.pageY];
		},

		getTarget : function(e) {
			return e.target;
		},

		// all Ext events will go through event manager which provides scoping
		on : function(el, eventName, fn, scope, override) {
			jQuery(el).bind(eventName, fn);
		},

		un : function(el, eventName, fn) {
			jQuery(el).unbind(eventName, fn);
		},

		purgeElement : function(el) {
			jQuery(el).unbind();
		},

		preventDefault : function(e) {
			e = e.browserEvent || e;
			if (e.preventDefault) {
				e.preventDefault();
			} else {
				e.returnValue = false;
			}
		},

		stopPropagation : function(e) {
			e = e.browserEvent || e;
			if (e.stopPropagation) {
				e.stopPropagation();
			} else {
				e.cancelBubble = true;
			}
		},

		stopEvent : function(e) {
			this.preventDefault(e);
			this.stopPropagation(e);
		},

		onAvailable : function(id, fn, scope) {
			var start = allGetServerTime();
			var f = function() {
				if (start.getElapsed() > 10000) {
					clearInterval(iid);
				}
				var el = document.getElementById(id);
				if (el) {
					clearInterval(iid);
					fn.call(scope || window, el);
				}
			};
			var iid = setInterval(f, 50);
		},

		resolveTextNode : function(node) {
			if (node && 3 == node.nodeType) {
				return node.parentNode;
			} else {
				return node;
			}
		},

		getRelatedTarget : function(ev) {
			ev = ev.browserEvent || ev;
			var t = ev.relatedTarget;
			if (!t) {
				if (ev.type == "mouseout") {
					t = ev.toElement;
				} else if (ev.type == "mouseover") {
					t = ev.fromElement;
				}
			}

			return this.resolveTextNode(t);
		}
	};

	Ext.lib.Ajax = function() {
		var createComplete = function(cb) {
			return function(xhr, status) {
				if ((status == 'error' || status == 'timeout') && cb.failure) {
					cb.failure.call(cb.scope || window, {
								responseText : xhr.responseText,
								responseXML : xhr.responseXML,
								argument : cb.argument
							});
				} else if (cb.success) {
					cb.success.call(cb.scope || window, {
								responseText : xhr.responseText,
								responseXML : xhr.responseXML,
								argument : cb.argument
							});
				}
			};
		};
		return {
			request : function(method, uri, cb, data, options) {
				var o = {
					type : method,
					url : uri,
					data : data,
					timeout : cb.timeout,
					complete : createComplete(cb)
				};

				if (options) {
					if (options.xmlData) {
						o.data = options.xmlData;
						o.processData = false;
						o.type = 'POST';
						o.contentType = 'text/xml';
					} else if (options.jsonData) {
						o.data = typeof options.jsonData == 'object' ? Ext
								.encode(options.jsonData) : options.jsonData;
						o.processData = false;
						o.type = 'POST';
						o.contentType = 'text/javascript';
					}
					if (options.headers) {
						o.beforeSend = function(xhr) {
							var hs = options.headers;
							for (var h in hs) {
								if (hs.hasOwnProperty(h)) {
									xhr.setRequestHeader(h, hs[h]);
								}
							}
						}
					}
				}
				jQuery.ajax(o);
			},

			formRequest : function(form, uri, cb, data, isUpload, sslUri) {
				jQuery.ajax({
							type : Ext.getDom(form).method || 'POST',
							url : uri,
							data : jQuery(form).formSerialize()
									+ (data ? '&' + data : ''),
							timeout : cb.timeout,
							complete : createComplete(cb)
						});
			},

			isCallInProgress : function(trans) {
				return false;
			},

			abort : function(trans) {
				return false;
			},

			serializeForm : function(form) {
				return jQuery(form.dom || form).formSerialize();
			}
		};
	}();

	Ext.lib.Anim = function() {
		var createAnim = function(cb, scope) {
			var animated = true;
			return {
				stop : function(skipToLast) {
					// do nothing
				},

				isAnimated : function() {
					return animated;
				},

				proxyCallback : function() {
					animated = false;
					Ext.callback(cb, scope);
				}
			};
		};
		return {
			scroll : function(el, args, duration, easing, cb, scope) {
				// scroll anim not supported so just scroll immediately
				var anim = createAnim(cb, scope);
				el = Ext.getDom(el);
				if (typeof args.scroll.to[0] == 'number') {
					el.scrollLeft = args.scroll.to[0];
				}
				if (typeof args.scroll.to[1] == 'number') {
					el.scrollTop = args.scroll.to[1];
				}
				anim.proxyCallback();
				return anim;
			},

			motion : function(el, args, duration, easing, cb, scope) {
				return this.run(el, args, duration, easing, cb, scope);
			},

			color : function(el, args, duration, easing, cb, scope) {
				// color anim not supported, so execute callback immediately
				var anim = createAnim(cb, scope);
				anim.proxyCallback();
				return anim;
			},

			run : function(el, args, duration, easing, cb, scope, type) {
				var anim = createAnim(cb, scope), e = Ext.fly(el, '_animrun');
				var o = {};
				for (var k in args) {
					if (args[k].from) {
						if (k != 'points') {
							e.setStyle(k, args[k].from);
						}
					}
					switch (k) { // jquery doesn't support, so convert
						case 'points' :
							var by, pts;
							e.position();
							if (by = args.points.by) {
								var xy = e.getXY();
								pts = e.translatePoints([xy[0] + by[0],
										xy[1] + by[1]]);
							} else {
								pts = e.translatePoints(args.points.to);
							}
							o.left = pts.left;
							o.top = pts.top;
							if (!parseInt(e.getStyle('left'), 10)) { // auto
																		// bug
								e.setLeft(0);
							}
							if (!parseInt(e.getStyle('top'), 10)) {
								e.setTop(0);
							}
							if (args.points.from) {
								e.setXY(args.points.from);
							}
							break;
						case 'width' :
							o.width = args.width.to;
							break;
						case 'height' :
							o.height = args.height.to;
							break;
						case 'opacity' :
							o.opacity = args.opacity.to;
							break;
						case 'left' :
							o.left = args.left.to;
							break;
						case 'top' :
							o.top = args.top.to;
							break;
						default :
							o[k] = args[k].to;
							break;
					}
				}
				// TODO: find out about easing plug in?
				jQuery(el).animate(o, duration * 1000, undefined,
						anim.proxyCallback);
				return anim;
			}
		};
	}();

	Ext.lib.Region = function(t, r, b, l) {
		this.top = t;
		this[1] = t;
		this.right = r;
		this.bottom = b;
		this.left = l;
		this[0] = l;
	};

	Ext.lib.Region.prototype = {
		contains : function(region) {
			return (region.left >= this.left && region.right <= this.right
					&& region.top >= this.top && region.bottom <= this.bottom);

		},

		getArea : function() {
			return ((this.bottom - this.top) * (this.right - this.left));
		},

		intersect : function(region) {
			var t = Math.max(this.top, region.top);
			var r = Math.min(this.right, region.right);
			var b = Math.min(this.bottom, region.bottom);
			var l = Math.max(this.left, region.left);

			if (b >= t && r >= l) {
				return new Ext.lib.Region(t, r, b, l);
			} else {
				return null;
			}
		},
		union : function(region) {
			var t = Math.min(this.top, region.top);
			var r = Math.max(this.right, region.right);
			var b = Math.max(this.bottom, region.bottom);
			var l = Math.min(this.left, region.left);

			return new Ext.lib.Region(t, r, b, l);
		},

		constrainTo : function(r) {
			this.top = this.top.constrain(r.top, r.bottom);
			this.bottom = this.bottom.constrain(r.top, r.bottom);
			this.left = this.left.constrain(r.left, r.right);
			this.right = this.right.constrain(r.left, r.right);
			return this;
		},

		adjust : function(t, l, b, r) {
			this.top += t;
			this.left += l;
			this.right += r;
			this.bottom += b;
			return this;
		}
	};

	Ext.lib.Region.getRegion = function(el) {
		var p = Ext.lib.Dom.getXY(el);

		var t = p[1];
		var r = p[0] + el.offsetWidth;
		var b = p[1] + el.offsetHeight;
		var l = p[0];

		return new Ext.lib.Region(t, r, b, l);
	};

	Ext.lib.Point = function(x, y) {
		if (x instanceof Array) {
			y = x[1];
			x = x[0];
		}
		this.x = this.right = this.left = this[0] = x;
		this.y = this.top = this.bottom = this[1] = y;
	};

	Ext.lib.Point.prototype = new Ext.lib.Region();

	// prevent IE leaks
	if (Ext.isIE) {
		function fnCleanUp() {
			var p = Function.prototype;
			delete p.createSequence;
			delete p.defer;
			delete p.createDelegate;
			delete p.createCallback;
			delete p.createInterceptor;

			window.detachEvent("onunload", fnCleanUp);
		}
		window.attachEvent("onunload", fnCleanUp);
	}
})();