GZ/nwyj/WebContent/admin/scripts/ext20/build/util/TextMetrics-min.js

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

Ext.util.TextMetrics = function() {
	var A;
	return {
		measure : function(B, C, D) {
			if (!A) {
				A = Ext.util.TextMetrics.Instance(B, D)
			}
			A.bind(B);
			A.setFixedWidth(D || "auto");
			return A.getSize(C)
		},
		createInstance : function(B, C) {
			return Ext.util.TextMetrics.Instance(B, C)
		}
	}
}();
Ext.util.TextMetrics.Instance = function(B, D) {
	var C = new Ext.Element(document.createElement("div"));
	document.body.appendChild(C.dom);
	C.position("absolute");
	C.setLeftTop(-1000, -1000);
	C.hide();
	if (D) {
		C.setWidth(D)
	}
	var A = {
		getSize : function(F) {
			C.update(F);
			var E = C.getSize();
			C.update("");
			return E
		},
		bind : function(E) {
			C.setStyle(Ext.fly(E).getStyles("font-size", "font-style",
					"font-weight", "font-family", "line-height"))
		},
		setFixedWidth : function(E) {
			C.setWidth(E)
		},
		getWidth : function(E) {
			C.dom.style.width = "auto";
			return this.getSize(E).width
		},
		getHeight : function(E) {
			return this.getSize(E).height
		}
	};
	A.bind(B);
	return A
};
Ext.Element.measureText = Ext.util.TextMetrics.measure;