/*
YUI 3.11.0 (build d549e5c)
Copyright 2013 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/

YUI.add("widget-parent",function(e,t){function s(t){this.publish("addChild",{defaultTargetOnly:!0,defaultFn:this._defAddChildFn}),this.publish("removeChild",{defaultTargetOnly:!0,defaultFn:this._defRemoveChildFn}),this._items=[];var n,r;t&&t.children&&(n=t.children,r=this.after("initializedChange",function(e){this._add(n),r.detach()})),e.after(this._renderChildren,this,"renderUI"),e.after(this._bindUIParent,this,"bindUI"),this.after("selectionChange",this._afterSelectionChange),this.after("selectedChange",this._afterParentSelectedChange),this.after("activeDescendantChange",this._afterActiveDescendantChange),this._hDestroyChild=this.after("*:destroy",this._afterDestroyChild),this.after("*:focusedChange",this._updateActiveDescendant)}var n=e.Lang,r="rendered",i="boundingBox";s.ATTRS={defaultChildType:{setter:function(t){var r=e.Attribute.INVALID_VALUE,i=n.isString(t)?e[t]:t;return n.isFunction(i)&&(r=i),r}},activeDescendant:{readOnly:!0},multiple:{value:!1,validator:n.isBoolean,writeOnce:!0,getter:function(e){var t=this.get("root");return t&&t!=this?t.get("multiple"):e}},selection:{readOnly:!0,setter:"_setSelection",getter:function(t){var r=n.isArray(t)?new e.ArrayList(t):t;return r}},selected:{setter:function(t){var n=t;return t===1&&!this.get("multiple")&&(n=e.Attribute.INVALID_VALUE),n}}},s.prototype={destructor:function(){this._destroyChildren()},_afterDestroyChild:function(e){var t=e.target;t.get("parent")==this&&t.remove()},_afterSelectionChange:function(t){if(t.target==this&&t.src!=this){var n=t.newVal,r=0;n&&(r=2,e.instanceOf(n,e.ArrayList)&&n.size()===this.size()&&(r=1)),this.set("selected",r,{src:this})}},_afterActiveDescendantChange:function(e){var t=this.get("parent");t&&t._set("activeDescendant",e.newVal)},_afterParentSelectedChange:function(e){var t=e.newVal;this==e.target&&e.src!=this&&(t===0||t===1)&&this.each(function(e){e.set("selected",t,{src:this})},this)},_setSelection:function(e){var t=null,n;return this.get("multiple")&&!this.isEmpty()?(n=[],this.each(function(e){e.get("selected")>0&&n.push(e)}),n.length>0&&(t=n)):e.get("selected")>0&&(t=e),t},_updateSelection:function(e){var t=e.target,n;t.get("parent")==this&&(e.src!="_updateSelection"&&(n=this.get("selection"),!this.get("multiple")&&n&&e.newVal>0&&n.set("selected",0,{src:"_updateSelection"}),this._set("selection",t)),e.src==this&&this._set("selection",t,{src:this}))},_updateActiveDescendant:function(e){var t=e.newVal===!0?e.target:null;this._set("activeDescendant",t)},_createChild:function(t){var r=this.get("defaultChildType"),i=t.childType||t.type,s,o,u;return i&&(o=n.isString(i)?e[i]:i),n.isFunction(o)?u=o:r&&(u=r),u?s=new u(t):e.error("Could not create a child instance because its constructor is either undefined or invalid."),s},_defAddChildFn:function(t){var r=t.child,i=t.index,s=this._items;r.get("parent")&&r.remove(),n.isNumber(i)?s.splice(i,0,r):s.push(r),r._set("parent",this),r.addTarget(this),t.index=r.get("index"),r.after("selectedChange",e.bind(this._updateSelection,this))},_defRemoveChildFn:function(e){var t=e.child,n=e.index,r=this._items;t.get("focused")&&t.blur(),t.get("selected")&&t.set("selected",0),r.splice(n,1),t.removeTarget(this),t._oldParent=t.get("parent"),t._set("parent",null)},_add:function(t,r){var i,s,o;return n.isArray(t)?(i=[],e.each(t,function(e,t){s=this._add(e,r+t),s&&i.push(s)},this),i.length>0&&(o=i)):(e.instanceOf(t,e.Widget)?s=t:s=this._createChild(t),s&&this.fire("addChild",{child:s,index:r})&&(o=s)),o},add:function(){var t=this._add.apply(this,arguments),r=t?n.isArray(t)?t:[t]:[];return new e.ArrayList(r)},remove:function(e){var t=this._items[e],n;return t&&this.fire("removeChild",{child:t,index:e})&&(n=t),n},removeAll:function(){var t=[],n;return e.each(this._items.concat(),function(){n=this.remove(0),n&&t.push(n)},this),new e.ArrayList(t)},selectChild:function(e){this.item(e).set("selected",1)},selectAll:function(){this.set("selected",1)},deselectAll:function(){this.set("selected",0)},_uiAddChild:function(e,t){e.render(t);var n=e.get("boundingBox"),s,o=e.next(!1),u;o&&o.get(r)?(s=o.get(i),s.insert(n,"before")):(u=e.previous(!1),u&&u.get(r)?(s=u.get(i),s.insert(n,"after")):t.contains(n)||t.appendChild(n))},_uiRemoveChild:function(e){e.get("boundingBox").remove()},_afterAddChild:function(e){var t=e.child;t.get("parent")==this&&this._uiAddChild(t,this._childrenContainer)},_afterRemoveChild:function(e){var t=e.child;t._oldParent==this&&this._uiRemoveChild(t)},_bindUIParent:function(){this.after("addChild",this._afterAddChild),this.after("removeChild",this._afterRemoveChild)},_renderChildren:function(){var e=this._childrenContainer||this.get("contentBox");this._childrenContainer=e,this.each(function(t){t.render(e)})},_destroyChildren:function(){this._hDestroyChild.detach(),this.each(function(e){e.destroy()})}},e.augment(s,e.ArrayList),e.WidgetParent=s},"3.11.0",{requires:["arraylist","base-build","widget"]});
