GZ/nwyj/.svn/pristine/a2/a29ab505bd82c158f4cd07ec04d4bbb410dc65c3.svn-base

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

Ext.CycleButton = Ext.extend(Ext.SplitButton, {
			getItemText : function(A) {
				if (A && this.showText === true) {
					var B = "";
					if (this.prependText) {
						B += this.prependText
					}
					B += A.text;
					return B
				}
				return undefined
			},
			setActiveItem : function(C, A) {
				if (C) {
					if (!this.rendered) {
						this.text = this.getItemText(C);
						this.iconCls = C.iconCls
					} else {
						var B = this.getItemText(C);
						if (B) {
							this.setText(B)
						}
						this.setIconClass(C.iconCls)
					}
					this.activeItem = C;
					if (!A) {
						this.fireEvent("change", this, C)
					}
				}
			},
			getActiveItem : function() {
				return this.activeItem
			},
			initComponent : function() {
				this.addEvents("change");
				if (this.changeHandler) {
					this.on("change", this.changeHandler, this.scope || this);
					delete this.changeHandler
				}
				this.itemCount = this.items.length;
				this.menu = {
					cls : "x-cycle-menu",
					items : []
				};
				var D;
				for (var B = 0, A = this.itemCount; B < A; B++) {
					var C = this.items[B];
					C.group = C.group || this.id;
					C.itemIndex = B;
					C.checkHandler = this.checkHandler;
					C.scope = this;
					C.checked = C.checked || false;
					this.menu.items.push(C);
					if (C.checked) {
						D = C
					}
				}
				this.setActiveItem(D, true);
				Ext.CycleButton.superclass.initComponent.call(this);
				this.on("click", this.toggleSelected, this)
			},
			checkHandler : function(A, B) {
				if (B) {
					this.setActiveItem(A)
				}
			},
			toggleSelected : function() {
				this.menu.render();
				var C, A;
				for (var B = 1; B < this.itemCount; B++) {
					C = (this.activeItem.itemIndex + B) % this.itemCount;
					A = this.menu.items.itemAt(C);
					if (!A.disabled) {
						A.setChecked(true);
						break
					}
				}
			}
		});
Ext.reg("cycle", Ext.CycleButton);