tv_xiaoyouxi/games/yd/frameworks/cocos2d-html5/extensions/ccui/base-classes/UIWidget.js

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 Copyright (c) 2013-2014 Chukong Technologies Inc.

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/**
 * The base class for ccui controls and layout
 * @sample
 * var uiWidget = ccui.Widget.create();
 * this.addChild(uiWidget);
 * @class
 * @extends ccui.ProtectedNode
 *
 * @property {Number}           xPercent        - Position x in percentage of width
 * @property {Number}           yPercent        - Position y in percentage of height
 * @property {Number}           widthPercent    - Width in percentage of parent width
 * @property {Number}           heightPercent   - Height in percentage of parent height
 * @property {ccui.Widget}      widgetParent    - <@readonly> The direct parent when it's a widget also, otherwise equals null
 * @property {Boolean}          enabled         - Indicate whether the widget is enabled
 * @property {Boolean}          focused         - Indicate whether the widget is focused
 * @property {ccui.Widget.SIZE_ABSOLUTE|ccui.Widget.SIZE_PERCENT}     sizeType        - The size type of the widget
 * @property {ccui.Widget.TYPE_WIDGET|ccui.Widget.TYPE_CONTAINER}   widgetType      - <@readonly> The type of the widget
 * @property {Boolean}          touchEnabled    - Indicate whether touch events are enabled
 * @property {Boolean}          updateEnabled   - Indicate whether the update function is scheduled
 * @property {Boolean}          bright          - Indicate whether the widget is bright
 * @property {String}           name            - The name of the widget
 * @property {Number}           actionTag       - The action tag of the widget
 */
ccui.Widget = ccui.ProtectedNode.extend(/** @lends ccui.Widget# */{
    _enabled: true,            ///< Highest control of widget
    _bright: true,             ///< is this widget bright
    _touchEnabled: false,       ///< is this widget touch endabled

    _brightStyle: null, ///< bright style

    _touchBeganPosition: null,    ///< touch began point
    _touchMovePosition: null,     ///< touch moved point
    _touchEndPosition: null,      ///< touch ended point

    _touchEventListener: null,
    _touchEventSelector: null,

    _name: "default",
    _widgetType: null,
    _actionTag: 0,
    _customSize: null,
    _layoutParameterDictionary: null,
    _layoutParameterType:0,

    _focused: false,
    _focusEnabled: true,

    _ignoreSize: false,
    _affectByClipping: false,

    _sizeType: null,
    _sizePercent: null,
    _positionType: null,
    _positionPercent: null,
    _reorderWidgetChildDirty: false,
    _hit: false,
    _nodes: null,
    _touchListener: null,
    _className: "Widget",
    _flippedX: false,
    _flippedY: false,
    _opacity: 255,
    _highlight: false,

    _touchEventCallback: null,

    /**
     * Constructor function, override it to extend the construction behavior, remember to call "this._super()" in the extended "ctor" function.
     * @function
     */
    ctor: function () {
        cc.ProtectedNode.prototype.ctor.call(this);
        this._brightStyle = ccui.Widget.BRIGHT_STYLE_NONE;
        this._touchBeganPosition = cc.p(0, 0);
        this._touchMovePosition = cc.p(0, 0);
        this._touchEndPosition = cc.p(0, 0);
        this._widgetType = ccui.Widget.TYPE_WIDGET;
        this._customSize = cc.size(0, 0);
        this._layoutParameterDictionary = {};
        this._sizeType = ccui.Widget.SIZE_ABSOLUTE;
        this._sizePercent = cc.p(0, 0);
        this._positionType = ccui.Widget.POSITION_ABSOLUTE;
        this._positionPercent = cc.p(0, 0);
        this._nodes = [];
        this._layoutParameterType = ccui.LayoutParameter.NONE;
        this.init();                        //TODO
    },

    /**
     * initializes state of widget. please do not call this function by yourself, you should pass the parameters to constructor to initialize it
.
     * @returns {boolean}
     */
    init: function () {
        if (cc.ProtectedNode.prototype.init.call(this)) {
            this._layoutParameterDictionary = {};
            this._initRenderer();
            this.setBright(true);

            this.onFocusChanged = this.onFocusChange.bind(this);
            this.onNextFocusedWidget = null;
            this.setAnchorPoint(cc.p(0.5, 0.5));

            this.ignoreContentAdaptWithSize(true);
            return true;
        }
        return false;
    },

    /**
     * Calls updateSizeAndPosition and its parent's onEnter
     * @override
     */
    onEnter: function () {
        this.updateSizeAndPosition();
        cc.ProtectedNode.prototype.onEnter.call(this);
    },

    /**
     * Calls unscheduleUpdate and its parent's onExit
     * @override
     */
    onExit: function(){
        this.unscheduleUpdate();
        cc.ProtectedNode.prototype.onExit.call(this);
    },

    /**
     * Calls _adaptRenderers(its subClass will override it) before calls its parent's visit.
     * @param {CanvasRenderingContext2D|WebGLRenderingContext} ctx
     * @override
     */
    visit: function (ctx) {
        if (this._visible) {
            this._adaptRenderers();
            cc.ProtectedNode.prototype.visit.call(this, ctx);
        }
    },

    /**
     * The direct parent when it's a widget also, otherwise equals null
     * @returns {ccui.Widget|null}
     */
    getWidgetParent: function () {
        var widget = this.getParent();
        if (widget instanceof ccui.Widget)
            return widget;
        return null;
    },

    _updateContentSizeWithTextureSize: function(size){
        this.setContentSize(this._ignoreSize ? size : this._customSize);
    },

    _isAncestorsEnabled: function(){
        var parentWidget = this._getAncensterWidget(this);
        if (parentWidget == null)
            return true;
        if (parentWidget && !parentWidget.isEnabled())
            return false;

        return parentWidget._isAncestorsEnabled();
    },

    _getAncensterWidget: function(node){
        if (null == node)
            return null;

        var parent = node.getParent();
        if (null == parent)
            return null;

        if (parent instanceof ccui.Widget)
            return parent;
        else
            return this._getAncensterWidget(parent.getParent());
    },

    _isAncestorsVisible: function(node){
        if (null == node)
            return true;

        var parent = node.getParent();

        if (parent && !parent.isVisible())
            return false;
        return this._isAncestorsVisible(parent);
    },

    _cleanupWidget: function(){
        //clean up _touchListener
        this._eventDispatcher.removeEventListener(this._touchListener);

        //cleanup focused widget and focus navigation controller
        if (ccui.Widget._focusedWidget == this)
            ccui.Widget._focusedWidget = null;
    },

    /**
     * <p>
     *     Sets whether the widget is enabled                                                                                    <br/>
     *     true if the widget is enabled, widget may be touched , false if the widget is disabled, widget cannot be touched.     <br/>
     *     The default value is true, a widget is default to enabled
     * </p>
     * @param {Boolean} enabled
     */
    setEnabled: function (enabled) {
        this._enabled = enabled;
    },

    /**
     * initializes renderer of widget.
     */
    _initRenderer: function () {
    },

    /**
     * Sets _customSize of ccui.Widget, if ignoreSize is true, the content size is its renderer's contentSize, otherwise the content size is parameter.
     * and updates size percent by parent content size. At last, updates its children's size and position.
     * @param {cc.Size|Number} contentSize content size or width of content size
     * @param {Number} [height]
     * @override
     */
    setContentSize: function(contentSize, height){
        var locWidth = (height === undefined) ? contentSize.width : contentSize;
        var locHeight = (height === undefined) ? contentSize.height : height;
        cc.Node.prototype.setContentSize.call(this, locWidth, locHeight);

        this._customSize.width = locWidth;
        this._customSize.height = locHeight;

        if (this._ignoreSize)
            this._contentSize = this.getVirtualRendererSize();

        if (this._running) {
            var widgetParent = this.getWidgetParent();
            var pSize = widgetParent ? widgetParent.getContentSize() : this._parent.getContentSize();
            this._sizePercent.x = (pSize.width > 0.0) ? locWidth / pSize.width : 0.0;
            this._sizePercent.y = (pSize.height > 0.0) ? locHeight / pSize.height : 0.0;
        }
        this._onSizeChanged();
    },

    _setWidth: function (w) {
        cc.Node.prototype._setWidth.call(this, w);
        this._customSize.width = w;
        if(this._ignoreSize)
            this._contentSize = this.getVirtualRendererSize();

        if (this._running) {
            var widgetParent = this.getWidgetParent();
            var locWidth = widgetParent ? widgetParent.width : this._parent.width;
            this._sizePercent.x = locWidth > 0 ? this._customSize.width / locWidth : 0;
        }
        this._onSizeChanged();
    },
    _setHeight: function (h) {
        cc.Node.prototype._setHeight.call(this, h);
        this._customSize.height = h;
        if(this._ignoreSize)
            this._contentSize = this.getVirtualRendererSize();

        if (this._running) {
            var widgetParent = this.getWidgetParent();
            var locH = widgetParent ? widgetParent.height : this._parent.height;
            this._sizePercent.y = locH > 0 ? this._customSize.height / locH : 0;
        }
        this._onSizeChanged();
    },

    /**
     * Changes the percent that is widget's percent size
     * @param {cc.Point} percent that is widget's percent size, width and height value from 0 to 1.
     */
    setSizePercent: function (percent) {
        this._sizePercent.x = percent.x;
        this._sizePercent.y = percent.y;
        var width = this._customSize.width, height = this._customSize.height;
        if (this._running) {
            var widgetParent = this.getWidgetParent();
            if (widgetParent) {
                width = widgetParent.width * percent.x;
                height = widgetParent.height * percent.y;
            } else {
                width = this._parent.width * percent.x;
                height = this._parent.height * percent.y;
            }
        }
        if (this._ignoreSize)
            this.setContentSize(this.getVirtualRendererSize());
        else
            this.setContentSize(width, height);

        this._customSize.width = width;
        this._customSize.height = height;
    },

    _setWidthPercent: function (percent) {
        this._sizePercent.x = percent;
        var width = this._customSize.width;
        if (this._running) {
            var widgetParent = this.getWidgetParent();
            width = (widgetParent ? widgetParent.width : this._parent.width) * percent;
        }
        if (this._ignoreSize)
            this._setWidth(this.getVirtualRendererSize().width);
        else
            this._setWidth(width);
        this._customSize.width = width;
    },
    _setHeightPercent: function (percent) {
        this._sizePercent.y = percent;
        var height = this._customSize.height;
        if (this._running) {
            var widgetParent = this.getWidgetParent();
            height = (widgetParent ? widgetParent.height : this._parent.height) * percent;
        }
        if (this._ignoreSize)
            this._setHeight(this.getVirtualRendererSize().height);
        else
            this._setHeight(height);
        this._customSize.height = height;
    },

    /**
     * updates its size by size type and its position by position type.
     * @param {cc.Size} [parentSize] parent size
     */
    updateSizeAndPosition: function (parentSize) {
        if(!parentSize){
            var widgetParent = this.getWidgetParent();
            if(widgetParent)
                parentSize = widgetParent.getLayoutSize();
            else
                parentSize = this._parent.getContentSize();
        }

        switch (this._sizeType) {
            case ccui.Widget.SIZE_ABSOLUTE:
                if(this._ignoreSize)
                    this.setContentSize(this.getVirtualRendererSize());
                else
                    this.setContentSize(this._customSize);
                this._sizePercent.x = (parentSize.width > 0) ? this._customSize.width / parentSize.width : 0;
                this._sizePercent.y = (parentSize.height > 0) ? this._customSize.height / parentSize.height : 0;
                break;
            case ccui.Widget.SIZE_PERCENT:
                var cSize = cc.size(parentSize.width * this._sizePercent.x , parentSize.height * this._sizePercent.y);
                if(this._ignoreSize)
                    this.setContentSize(this.getVirtualRendererSize());
                else
                    this.setContentSize(cSize);
                this._customSize.width = cSize.width;
                this._customSize.height = cSize.height;
                break;
            default:
                break;
        }
        this._onSizeChanged();
        var absPos = this.getPosition();
        switch (this._positionType) {
            case ccui.Widget.POSITION_ABSOLUTE:
                if (parentSize.width <= 0 || parentSize.height <= 0) {
                    this._positionPercent.x = this._positionPercent.y = 0;
                } else {
                    this._positionPercent.x = absPos.x / parentSize.width;
                    this._positionPercent.y = absPos.y / parentSize.height;
                }
                break;
            case ccui.Widget.POSITION_PERCENT:
                absPos = cc.p(parentSize.width * this._positionPercent.x, parentSize.height * this._positionPercent.y);
                break;
            default:
                break;
        }
        if(this._parent instanceof ccui.ImageView){
            var renderer = this._parent._imageRenderer;
            if(renderer && !renderer._textureLoaded)
                return;
        }
        this.setPosition(absPos);
    },

    /**TEXTURE_RES_TYPE
     * Changes the size type of widget.
     * @param {ccui.Widget.SIZE_ABSOLUTE|ccui.Widget.SIZE_PERCENT} type that is widget's size type
     */
    setSizeType: function (type) {
        this._sizeType = type;
    },

    /**
     * Gets the size type of widget.
     * @returns {ccui.Widget.SIZE_ABSOLUTE|ccui.Widget.SIZE_PERCENT} that is widget's size type
     */
    getSizeType: function () {
        return this._sizeType;
    },

    /**
     * Ignore the widget size
     * @param {Boolean} ignore true that widget will ignore it's size, use texture size, false otherwise. Default value is true.
     */
    ignoreContentAdaptWithSize: function (ignore) {
        if(this._ignoreSize == ignore)
            return;

        this._ignoreSize = ignore;
        this.setContentSize( ignore ? this.getVirtualRendererSize() : this._customSize );
        this._onSizeChanged();
    },

    /**
     * Gets whether ignore the content size (custom size)
     * @returns {boolean}  true that widget will ignore it's size, use texture size, false otherwise.
     */
    isIgnoreContentAdaptWithSize: function () {
        return this._ignoreSize;
    },

    /**
     * Get custom size of ccui.Widget
     * @returns {cc.Size}
     */
    getCustomSize: function () {
        return cc.size(this._customSize);
    },

    /**
     * Gets layout size of ccui.Widget.
     * @returns {cc.Size}
     */
    getLayoutSize: function(){
        return cc.size(this._contentSize);
    },

    /**
     * Returns size percent of ccui.Widget
     * @returns {cc.Point}
     */
    getSizePercent: function () {
        return cc.p(this._sizePercent);
    },
    _getWidthPercent: function () {
        return this._sizePercent.x;
    },
    _getHeightPercent: function () {
        return this._sizePercent.y;
    },

    /**
     *  Gets world position of ccui.Widget.
     * @returns {cc.Point} world position of ccui.Widget.
     */
    getWorldPosition: function () {
        return this.convertToWorldSpace(cc.p(this._anchorPoint.x * this._contentSize.width, this._anchorPoint.y * this._contentSize.height));
    },

    /**
     * Gets the Virtual Renderer of widget.
     * @returns {ccui.Widget}
     */
    getVirtualRenderer: function () {
        return this;
    },

    /**
     * Gets the content size of widget.  Content size is widget's texture size.
     */
    getVirtualRendererSize:function(){
        return cc.size(this._contentSize);
    },

    /**
     * call back function called when size changed.
     */
    _onSizeChanged: function () {
        var locChildren =  this.getChildren();
        for (var i = 0, len = locChildren.length; i < len; i++) {
            var child = locChildren[i];
            if(child instanceof ccui.Widget)
                child.updateSizeAndPosition();
        }
    },

    /**
     * Sets whether the widget is touch enabled. The default value is false, a widget is default to touch disabled
     * @param {Boolean} enable  true if the widget is touch enabled, false if the widget is touch disabled.
     */
    setTouchEnabled: function (enable) {
        if (this._touchEnabled === enable)
            return;

        this._touchEnabled = enable;                                  //TODO need consider remove and re-add.
        if (this._touchEnabled) {
            this._touchListener = cc.EventListener.create({
                event: cc.EventListener.TOUCH_ONE_BY_ONE,
                swallowTouches: true,
                onTouchBegan: this.onTouchBegan.bind(this),
                onTouchMoved: this.onTouchMoved.bind(this),
                onTouchEnded: this.onTouchEnded.bind(this)
            });
            cc.eventManager.addListener(this._touchListener, this);
        } else {
            cc.eventManager.removeListener(this._touchListener);
        }
    },

    /**
     * Returns whether or not touch is enabled.
     * @returns {boolean} true if the widget is touch enabled, false if the widget is touch disabled.
     */
    isTouchEnabled: function () {
        return this._touchEnabled;
    },

    /**
     * Determines if the widget is highlighted
     * @returns {boolean} true if the widget is highlighted, false if the widget is not highlighted .
     */
    isHighlighted: function(){
        return this._highlight;
    },

    /**
     * Sets whether the widget is highlighted. The default value is false, a widget is default to not highlighted
     * @param highlight true if the widget is highlighted, false if the widget is not highlighted.
     */
    setHighlighted:function(highlight){
        if (highlight == this._highlight)
            return;
        this._highlight = highlight;
        if (this._bright) {
            if (this._highlight)
                this.setBrightStyle(ccui.Widget.BRIGHT_STYLE_HIGH_LIGHT);
            else
                this.setBrightStyle(ccui.Widget.BRIGHT_STYLE_NORMAL);
        } else
            this._onPressStateChangedToDisabled();
    },

    /**
     * Determines if the widget is on focused
     * @returns {boolean} whether the widget is focused or not
     */
    isFocused: function () {
        return this._focused;
    },

    /**
     * Sets whether the widget is on focused
     * The default value is false, a widget is default to not on focused
     * @param {boolean} focus  pass true to let the widget get focus or pass false to let the widget lose focus
     */
    setFocused: function (focus) {
        this._focused = focus;
        //make sure there is only one focusedWidget
        if (focus)
            ccui.Widget._focusedWidget = this;
    },

    /**
     * returns whether the widget could accept focus.
     * @returns {boolean} true represent the widget could accept focus, false represent the widget couldn't accept focus
     */
    isFocusEnabled: function(){
        return this._focusEnabled;
    },

    /**
     * sets whether the widget could accept focus.
     * @param {Boolean} enable true represent the widget could accept focus, false represent the widget couldn't accept focus
     */
    setFocusEnabled: function(enable){
        this._focused = enable;
    },

    /**
     * <p>
     *     When a widget is in a layout, you could call this method to get the next focused widget within a specified direction. <br/>
     *     If the widget is not in a layout, it will return itself
     * </p>
     * @param direction the direction to look for the next focused widget in a layout
     * @param current  the current focused widget
     * @return  the next focused widget in a layout
     */
    findNextFocusedWidget: function( direction, current){
        if (null == this.onNextFocusedWidget || null == this.onNextFocusedWidget(direction) ) {
            var isLayout = current instanceof ccui.Layout;
            if (this.isFocused() || isLayout) {
                var layout = this.getParent();
                if (null == layout){
                    //the outer layout's default behaviour is : loop focus
                    if (isLayout)
                        return current.findNextFocusedWidget(direction, current);
                    return current;
                } else
                    return layout.findNextFocusedWidget(direction, current);
            } else
                return current;
        } else {
            var getFocusWidget = this.onNextFocusedWidget(direction);
            this.dispatchFocusEvent(this, getFocusWidget);
            return getFocusWidget;
        }
    },

    /**
     * when a widget calls this method, it will get focus immediately.
     */
    requestFocus: function(){
        if (this == ccui.Widget._focusedWidget)
            return;
        this.dispatchFocusEvent(ccui.Widget._focusedWidget, this);
    },

    /**
     * no matter what widget object you call this method on , it will return you the exact one focused widget
     */
    getCurrentFocusedWidget: function(){
        return ccui.Widget._focusedWidget;
    },

    /**
     * call this method with parameter true to enable the Android Dpad focus navigation feature
     * @note it doesn't implemented on Web
     * @param {Boolean} enable set true to enable dpad focus navigation, otherwise disable dpad focus navigation
     */
    enableDpadNavigation: function(enable){
    },

    /**
     * <p>
     *    When a widget lose/get focus, this method will be called. Be Caution when you provide your own version,       <br/>
     *    you must call widget.setFocused(true/false) to change the focus state of the current focused widget;
     * </p>
     */
    onFocusChanged: null,

    /**
     * use this function to manually specify the next focused widget regards to each direction
     */
    onNextFocusedWidget: null,

    /**
     * Sends the touch event to widget's parent, its subclass will override it, e.g. ccui.ScrollView, ccui.PageView
     * @param {Number}  eventType
     * @param {ccui.Widget} sender
     * @param {cc.Touch} touch
     */
    interceptTouchEvent: function(eventType, sender, touch){
        var widgetParent = this.getWidgetParent();
        if (widgetParent)
            widgetParent.interceptTouchEvent(eventType,sender,touch);
    },

    /**
     * This method is called when a focus change event happens
     * @param {ccui.Widget} widgetLostFocus
     * @param {ccui.Widget} widgetGetFocus
     */
    onFocusChange: function(widgetLostFocus, widgetGetFocus){
        //only change focus when there is indeed a get&lose happens
        if (widgetLostFocus)
            widgetLostFocus.setFocused(false);
        if (widgetGetFocus)
            widgetGetFocus.setFocused(true);
    },

    /**
     * Dispatch a EventFocus through a EventDispatcher
     * @param {ccui.Widget} widgetLostFocus
     * @param {ccui.Widget} widgetGetFocus
     */
    dispatchFocusEvent: function(widgetLostFocus, widgetGetFocus){
        //if the widgetLoseFocus doesn't get focus, it will use the previous focused widget instead
        if (widgetLostFocus && !widgetLostFocus.isFocused())
            widgetLostFocus = ccui.Widget._focusedWidget;

        if (widgetGetFocus != widgetLostFocus){
            if (widgetGetFocus && widgetGetFocus.onFocusChanged)
                widgetGetFocus.onFocusChanged(widgetLostFocus, widgetGetFocus);
            if (widgetLostFocus && widgetGetFocus.onFocusChanged)
                widgetLostFocus.onFocusChanged(widgetLostFocus, widgetGetFocus);
            cc.eventManager.dispatchEvent(new cc.EventFocus(widgetLostFocus, widgetGetFocus));
        }
    },

    /**
     *  Sets whether the widget is bright. The default value is true, a widget is default to bright
     * @param {Boolean} bright true if the widget is bright, false if the widget is dark.
     */
    setBright: function (bright) {
        this._bright = bright;
        if (this._bright) {
            this._brightStyle = ccui.Widget.BRIGHT_STYLE_NONE;
            this.setBrightStyle(ccui.Widget.BRIGHT_STYLE_NORMAL);
        } else
            this._onPressStateChangedToDisabled();
    },

    /**
     * To set the bright style of ccui.Widget.
     * @param {Number} style BRIGHT_NORMAL the widget is normal state, BRIGHT_HIGHLIGHT the widget is height light state.
     */
    setBrightStyle: function (style) {
        if (this._brightStyle == style) {
            return;
        }
        style = style || ccui.Widget.BRIGHT_STYLE_NORMAL;
        this._brightStyle = style;
        switch (this._brightStyle) {
            case ccui.Widget.BRIGHT_STYLE_NORMAL:
                this._onPressStateChangedToNormal();
                break;
            case ccui.Widget.BRIGHT_STYLE_HIGH_LIGHT:
                this._onPressStateChangedToPressed();
                break;
            default:
                break;
        }
    },

    _onPressStateChangedToNormal: function () {
    },

    _onPressStateChangedToPressed: function () {
    },

    _onPressStateChangedToDisabled: function () {
    },

    /**
     * A call back function when widget lost of focus.
     */
    didNotSelectSelf: function () {
    },

    /**
     * <p>
     *    The callback of touch began event.                                                               <br/>
     *    If the bounding box of ccui.Widget contains the touch point, it will do the following things:    <br/>
     *      1. sets highlight state,                                                                       <br/>
     *      2. sends event to parent widget by interceptTouchEvent                                         <br/>
     *      3. calls the callback of touch began event.                                                    <br/>
     *      4. returns true,                                                                               <br/>
     *    otherwise returns false directly.                                                                <br/>
     * </p>
     * @override
     * @param {cc.Touch} touch
     * @param {cc.Event} event
     * @returns {boolean}
     */
    onTouchBegan: function (touch, event) {
        this._hit = false;
        if (this.isVisible() && this.isEnabled() && this._isAncestorsEnabled() && this._isAncestorsVisible(this) ){
            var touchPoint = touch.getLocation();
            this._touchBeganPosition.x = touchPoint.x;
            this._touchBeganPosition.y = touchPoint.y;
            if(this.hitTest(this._touchBeganPosition) && this.isClippingParentContainsPoint(this._touchBeganPosition))
                this._hit = true;
        }
        if (!this._hit) {
            return false;
        }
        this.setHighlighted(true);
        var widgetParent = this.getWidgetParent();
        if (widgetParent)
            widgetParent.interceptTouchEvent(ccui.Widget.TOUCH_BEGAN, this, touch);
        this._pushDownEvent();
        return true;
    },

    /**
     * <p>
     *    The callback of touch moved event.                                                                                                <br/>
     *    It sets the highlight state by touch, sends event to parent widget by interceptTouchEvent and calls the callback of touch moved event.
     * </p>
     * @param {cc.Touch} touch
     * @param {cc.Event} event
     */
    onTouchMoved: function (touch, event) {
        var touchPoint = touch.getLocation();
        this._touchMovePosition.x = touchPoint.x;
        this._touchMovePosition.y = touchPoint.y;
        this.setHighlighted(this.hitTest(touchPoint));
        var widgetParent = this.getWidgetParent();
        if (widgetParent)
            widgetParent.interceptTouchEvent(ccui.Widget.TOUCH_MOVED, this, touch);
        this._moveEvent();
    },

    /**
     * <p>
     *      The callback of touch end event
     *      It sends event to parent widget by interceptTouchEvent,
     *      calls the callback of touch end event (highlight= true) or touch canceled event (highlight= false).
     *      sets the highlight state to false ,
     * </p>
     * @param touch
     * @param event
     */
    onTouchEnded: function (touch, event) {
        var touchPoint = touch.getLocation();
        this._touchEndPosition.x = touchPoint.x;
        this._touchEndPosition.y = touchPoint.y;
        var widgetParent = this.getWidgetParent();
        if (widgetParent)
            widgetParent.interceptTouchEvent(ccui.Widget.TOUCH_ENDED, this, touch);
        var highlight = this._highlight;
        this.setHighlighted(false);
        if (highlight)
            this._releaseUpEvent();
        else
            this._cancelUpEvent();
    },

    /**
     * A call back function called when widget is selected, and on touch canceled.
     * @param {cc.Point} touchPoint
     */
    onTouchCancelled: function (touchPoint) {
        this.setHighlighted(false);
        this._cancelUpEvent();
    },

    /**
     * A call back function called when widget is selected, and on touch long clicked.
     * @param {cc.Point} touchPoint
     */
    onTouchLongClicked: function (touchPoint) {
        this.longClickEvent();
    },

    //call back function called widget's state changed to dark.
    _pushDownEvent: function () {
        if (this._touchEventCallback)
            this._touchEventCallback(this, ccui.Widget.TOUCH_BEGAN);
        if (this._touchEventListener && this._touchEventSelector)
            this._touchEventSelector.call(this._touchEventListener, this, ccui.Widget.TOUCH_BEGAN);
    },

    _moveEvent: function () {
        if (this._touchEventCallback)
            this._touchEventCallback(this, ccui.Widget.TOUCH_MOVED);
        if (this._touchEventListener && this._touchEventSelector)
            this._touchEventSelector.call(this._touchEventListener, this, ccui.Widget.TOUCH_MOVED);
    },

    _releaseUpEvent: function () {
        if (this._touchEventCallback)
            this._touchEventCallback(this, ccui.Widget.TOUCH_ENDED);
        if (this._touchEventListener && this._touchEventSelector)
            this._touchEventSelector.call(this._touchEventListener, this, ccui.Widget.TOUCH_ENDED);
    },

    _cancelUpEvent: function () {
        if (this._touchEventCallback)
            this._touchEventCallback(this, ccui.Widget.TOUCH_CANCELED);
        if (this._touchEventListener && this._touchEventSelector)
            this._touchEventSelector.call(this._touchEventListener, this, ccui.Widget.TOUCH_CANCELED);
    },

    longClickEvent: function () {
        //TODO it will implement in v3.1
    },

    /**
     * Sets the touch event target/selector of the ccui.Widget
     * @param {Function} selector
     * @param {Object} target
     */
    addTouchEventListener: function (selector, target) {
        if(target === undefined)
            this._touchEventCallback = selector;
        else {
            this._touchEventSelector = selector;
            this._touchEventListener = target;
        }
    },

    /**
     * Checks a point if is in widget's space
     * @param {cc.Point} pt
     * @returns {boolean} true if the point is in widget's space, false otherwise.
     */
    hitTest: function (pt) {
        var bb = cc.rect(0,0, this._contentSize.width, this._contentSize.height);
        return cc.rectContainsPoint(bb, this.convertToNodeSpace(pt));
    },

    /**
     * returns whether clipping parent widget contains point.
     * @param {cc.Point} pt location point
     * @returns {Boolean}
     */
    isClippingParentContainsPoint: function(pt){
        this._affectByClipping = false;
        var parent = this.getParent();
        var clippingParent = null;
        while (parent) {
            if (parent instanceof ccui.Layout) {
                if (parent.isClippingEnabled()) {
                    this._affectByClipping = true;
                    clippingParent = parent;
                    break;
                }
            }
            parent = parent.getParent();
        }

        if (!this._affectByClipping)
            return true;

        if (clippingParent) {
            if (clippingParent.hitTest(pt))
                return clippingParent.isClippingParentContainsPoint(pt);
            return false;
        }
        return true;
    },

    /**
     * Calls the checkChildInfo of widget's parent, its subclass will override it.
     * @param {number} handleState
     * @param {ccui.Widget} sender
     * @param {cc.Point} touchPoint
     */
    checkChildInfo: function (handleState, sender, touchPoint) {
        var widgetParent = this.getWidgetParent();
        if (widgetParent)
            widgetParent.checkChildInfo(handleState, sender, touchPoint);
    },

    /**
     * Changes the position (x,y) of the widget .
     * The original point (0,0) is at the left-bottom corner of screen.
     * @override
     * @param {cc.Point|Number} pos
     * @param {Number} [posY]
     */
    setPosition: function (pos, posY) {
        if (this._running) {
            var widgetParent = this.getWidgetParent();
            if (widgetParent) {
                var pSize = widgetParent.getContentSize();
                if (pSize.width <= 0 || pSize.height <= 0) {
                    this._positionPercent.x = 0;
                    this._positionPercent.y = 0;
                } else {
                    if (posY == undefined) {
                        this._positionPercent.x = pos / pSize.width;
                        this._positionPercent.y = posY / pSize.height;
                    } else {
                        this._positionPercent.x = pos.x / pSize.width;
                        this._positionPercent.y = pos.y / pSize.height;
                    }
                }
            }
        }

        cc.Node.prototype.setPosition.call(this, pos, posY);
    },

    setPositionX: function (x) {
        if (this._running) {
            var widgetParent = this.getWidgetParent();
            if (widgetParent) {
                var pw = widgetParent.width;
                if (pw <= 0)
                    this._positionPercent.x = 0;
                else
                    this._positionPercent.x = x / pw;
            }
        }

        cc.Node.prototype.setPositionX.call(this, x);
    },
    setPositionY: function (y) {
        if (this._running) {
            var widgetParent = this.getWidgetParent();
            if (widgetParent) {
                var ph = widgetParent.height;
                if (ph <= 0)
                    this._positionPercent.y = 0;
                else
                    this._positionPercent.y = y / ph;
            }
        }

        cc.Node.prototype.setPositionY.call(this, y);
    },

    /**
     * Changes the position (x,y) of the widget
     * @param {cc.Point} percent
     */
    setPositionPercent: function (percent) {
        this._positionPercent = percent;
        if (this._running) {
            var widgetParent = this.getWidgetParent();
            if (widgetParent) {
                var parentSize = widgetParent.getSize();
                this.setPosition(parentSize.width * this._positionPercent.x, parentSize.height * this._positionPercent.y);
            }
        }
    },
    _setXPercent: function (percent) {
        this._positionPercent.x = percent;
        if (this._running) {
            var widgetParent = this.getWidgetParent();
            if (widgetParent)
                this.setPositionX(widgetParent.width * percent);
        }
    },
    _setYPercent: function (percent) {
        this._positionPercent.y = percent;
        if (this._running) {
            var widgetParent = this.getWidgetParent();
            if (widgetParent)
                this.setPositionY(widgetParent.height * percent);
        }
    },

    /**
     * Gets the percent (x,y) of the widget
     * @returns {cc.Point} The percent (x,y) of the widget in OpenGL coordinates
     */
    getPositionPercent: function () {
        return cc.p(this._positionPercent);
    },

    _getXPercent: function () {
        return this._positionPercent.x;
    },
    _getYPercent: function () {
        return this._positionPercent.y;
    },

    /**
     * Changes the position type of the widget
     * @param {Number} type  the position type of widget
     */
    setPositionType: function (type) {
        this._positionType = type;
    },

    /**
     * Gets the position type of the widget
     * @returns {Number} the position type of widget
     */
    getPositionType: function () {
        return this._positionType;
    },

    /**
     * Sets whether the widget should be flipped horizontally or not.
     * @param {Boolean} flipX true if the widget should be flipped horizontally, false otherwise.
     */
    setFlippedX: function (flipX) {
        this._flippedX = flipX;
        this._updateFlippedX();
    },

    /**
     * <p>
     *   Returns the flag which indicates whether the widget is flipped horizontally or not.             <br/>
     *   It only flips the texture of the widget, and not the texture of the widget's children.          <br/>
     *   Also, flipping the texture doesn't alter the anchorPoint.                                       <br/>
     *   If you want to flip the anchorPoint too, and/or to flip the children too use:                   <br/>
     *   widget.setScaleX(sprite.getScaleX() * -1);
     * </p>
     * @returns {Boolean} true if the widget is flipped horizontally, false otherwise.
     */
    isFlippedX: function () {
        return this._flippedX;
    },

    /**
     * Sets whether the widget should be flipped vertically or not.
     * @param {Boolean} flipY  true if the widget should be flipped vertically, false otherwise.
     */
    setFlippedY: function (flipY) {
        this._flippedY = flipY;
        this._updateFlippedY();
    },

    /**
     * <p>
     *     Return the flag which indicates whether the widget is flipped vertically or not.                <br/>
     *     It only flips the texture of the widget, and not the texture of the widget's children.          <br/>
     *     Also, flipping the texture doesn't alter the anchorPoint.                                       <br/>
     *     If you want to flip the anchorPoint too, and/or to flip the children too use:                   <br/>
     *     widget.setScaleY(widget.getScaleY() * -1);
     * </p>
     * @returns {Boolean} true if the widget is flipped vertically, false otherwise.
     */
    isFlippedY: function () {
        return this._flippedY;
    },

    _updateFlippedX: function () {
    },

    _updateFlippedY: function () {
    },

    _adaptRenderers: function(){
    },

    /**
     * Determines if the widget is bright
     * @returns {boolean} true if the widget is bright, false if the widget is dark.
     */
    isBright: function () {
        return this._bright;
    },

    /**
     * Determines if the widget is enabled
     * @returns {boolean}
     */
    isEnabled: function () {
        return this._enabled;
    },

    /**
     * Gets the left boundary position of this widget.
     * @returns {number}
     */
    getLeftBoundary: function () {
        return this.getPositionX() - this._getAnchorX() * this._contentSize.width;
    },

    /**
     * Gets the bottom boundary position of this widget.
     * @returns {number}
     */
    getBottomBoundary: function () {
        return this.getPositionY() - this._getAnchorY() * this._contentSize.height;
    },

    /**
     * Gets the right boundary position of this widget.
     * @returns {number}
     */
    getRightBoundary: function () {
        return this.getLeftBoundary() + this._contentSize.width;
    },

    /**
     * Gets the top boundary position of this widget.
     * @returns {number}
     */
    getTopBoundary: function () {
        return this.getBottomBoundary() + this._contentSize.height;
    },

    /**
     * Gets the position of touch began event.
     * @returns {cc.Point}
     */
    getTouchBeganPosition: function(){
         return cc.p(this._touchBeganPosition);
    },

    /**
     * Gets the position of touch moved event
     * @returns {cc.Point}
     */
    getTouchMovePosition: function(){
        return cc.p(this._touchMovePosition);
    },

    /**
     * Gets the position of touch end event
     * @returns {cc.Point}
     */
    getTouchEndPosition:function(){
        return cc.p(this._touchEndPosition);
    },

    /**
     * get widget type
     * @returns {ccui.Widget.TYPE_WIDGET|ccui.Widget.TYPE_CONTAINER}
     */
    getWidgetType: function () {
        return this._widgetType;
    },

    /**
     * Gets LayoutParameter of widget.
     * @param {ccui.LayoutParameter} parameter
     */
    setLayoutParameter: function (parameter) {
        if(!parameter)
            return;
        this._layoutParameterDictionary[parameter.getLayoutType()] = parameter;
        this._layoutParameterType = parameter.getLayoutType();
    },

    /**
     * Gets layout parameter
     * @param {ccui.LayoutParameter.NONE|ccui.LayoutParameter.LINEAR|ccui.LayoutParameter.RELATIVE} type
     * @returns {ccui.LayoutParameter}
     */
    getLayoutParameter: function (type) {
        type = type || this._layoutParameterType;
        return this._layoutParameterDictionary[type];
    },

    /**
     * Returns the "class name" of widget.
     * @returns {string}
     */
    getDescription: function () {
        return "Widget";
    },

    /**
     * Clones a new widget.
     * @returns {ccui.Widget}
     */
    clone: function () {
        var clonedWidget = this._createCloneInstance();
        clonedWidget._copyProperties(this);
        clonedWidget._copyClonedWidgetChildren(this);
        return clonedWidget;
    },

    _createCloneInstance: function () {
        return ccui.Widget.create();
    },

    _copyClonedWidgetChildren: function (model) {
        var widgetChildren = model.getChildren();
        for (var i = 0; i < widgetChildren.length; i++) {
            var locChild = widgetChildren[i];
            if (locChild instanceof ccui.Widget)
                this.addChild(locChild.clone());
        }
    },

    _copySpecialProperties: function (model) {
    },

    _copyProperties: function (widget) {
        this.setEnabled(widget.isEnabled());
        this.setVisible(widget.isVisible());
        this.setBright(widget.isBright());
        this.setTouchEnabled(widget.isTouchEnabled());
        this.setLocalZOrder(widget.getLocalZOrder());
        this.setTag(widget.getTag());
        this.setName(widget.getName());
        this.setActionTag(widget.getActionTag());

        this._ignoreSize = widget._ignoreSize;

        this.setContentSize(widget._contentSize);
        this._customSize.width = widget._customSize.width;
        this._customSize.height = widget._customSize.height;

        this._copySpecialProperties(widget);
        this._sizeType = widget.getSizeType();
        this._sizePercent.x = widget._sizePercent.x;
        this._sizePercent.y = widget._sizePercent.y;

        this._positionType = widget._positionType;
        this._positionPercent.x = widget._positionPercent.x;
        this._positionPercent.y = widget._positionPercent.y;

        this.setPosition(widget.getPosition());
        this.setAnchorPoint(widget.getAnchorPoint());
        this.setScaleX(widget.getScaleX());
        this.setScaleY(widget.getScaleY());
        this.setRotation(widget.getRotation());
        this.setRotationX(widget.getRotationX());
        this.setRotationY(widget.getRotationY());
        this.setFlippedX(widget.isFlippedX());
        this.setFlippedY(widget.isFlippedY());
        this.setColor(widget.getColor());
        this.setOpacity(widget.getOpacity());

        this._touchEventCallback = widget._touchEventCallback;
        this._touchEventListener = widget._touchEventListener;
        this._touchEventSelector = widget._touchEventSelector;
        this._focused = widget._focused;
        this._focusEnabled = widget._focusEnabled;

        for (var key in widget._layoutParameterDictionary) {
            var parameter = widget._layoutParameterDictionary[key];
            if (parameter)
                this.setLayoutParameter(parameter.clone());
        }
        this._onSizeChanged();
    },

    /*temp action*/
    setActionTag: function (tag) {
        this._actionTag = tag;
    },

    getActionTag: function () {
        return this._actionTag;
    },

    /**
     * Gets the left boundary position of this widget.
     * @deprecated since v3.0, please use getLeftBoundary instead.
     * @returns {number}
     */
    getLeftInParent: function(){
        cc.log("getLeftInParent is deprecated. Please use getLeftBoundary instead.");
        return this.getLeftBoundary();
    },

    /**
     * Gets the bottom boundary position of this widget.
     * @deprecated since v3.0, please use getBottomBoundary instead.
     * @returns {number}
     */
    getBottomInParent: function(){
        cc.log("getBottomInParent is deprecated. Please use getBottomBoundary instead.");
        return this.getBottomBoundary();
    },

    /**
     * Gets the right boundary position of this widget.
     * @deprecated since v3.0, please use getRightBoundary instead.
     * @returns {number}
     */
    getRightInParent: function(){
        cc.log("getRightInParent is deprecated. Please use getRightBoundary instead.");
        return this.getRightBoundary();
    },

    /**
     * Gets the top boundary position of this widget.
     * @deprecated since v3.0, please use getTopBoundary instead.
     * @returns {number}
     */
    getTopInParent: function(){
        cc.log("getTopInParent is deprecated. Please use getTopBoundary instead.");
        return this.getTopBoundary();
    },

    /**
     * Gets the touch end point of widget when widget is selected.
     * @deprecated since v3.0, please use getTouchEndPosition instead.
     * @returns {cc.Point} the touch end point.
     */
    getTouchEndPos: function () {
        cc.log("getTouchEndPos is deprecated. Please use getTouchEndPosition instead.");
        return this.getTouchEndPosition();
    },

    /**
     *Gets the touch move point of widget when widget is selected.
     * @deprecated since v3.0, please use getTouchMovePosition instead.
     * @returns {cc.Point} the touch move point.
     */
    getTouchMovePos: function () {
        cc.log("getTouchMovePos is deprecated. Please use getTouchMovePosition instead.");
        return this.getTouchMovePosition();
    },

    /**
     * Checks a point if in parent's area.
     * @deprecated since v3.0, please use isClippingParentContainsPoint instead.
     * @param {cc.Point} pt
     * @returns {Boolean}
     */
    clippingParentAreaContainPoint: function (pt) {
        cc.log("clippingParentAreaContainPoint is deprecated. Please use isClippingParentContainsPoint instead.");
        this.isClippingParentContainsPoint(pt);
    },

    /**
     * Gets the touch began point of widget when widget is selected.
     * @deprecated since v3.0, please use getTouchBeganPosition instead.
     * @returns {cc.Point} the touch began point.
     */
    getTouchStartPos: function () {
        cc.log("getTouchStartPos is deprecated. Please use getTouchBeganPosition instead.");
        return this.getTouchBeganPosition();
    },

    /**
     * Changes the size that is widget's size
     * @deprecated since v3.0, please use setContentSize instead.
     * @param {cc.Size} size  that is widget's size
     */
    setSize: function (size) {
        this.setContentSize(size);
    },

    /**
     * Returns size of widget
     * @deprecated since v3.0, please use getContentSize instead.
     * @returns {cc.Size}
     */
    getSize: function () {
        return this.getContentSize();
    },

    /**
     * Adds a node for widget (this function is deleted in -x)
     * @param {cc.Node} node
     * @param {Number} zOrder
     * @param {Number} tag
     * @deprecated since v3.0, please use addChild instead.
     */
    addNode: function (node, zOrder, tag) {
        if (node instanceof ccui.Widget) {
            cc.log("Please use addChild to add a Widget.");
            return;
        }
        cc.Node.prototype.addChild.call(this, node, zOrder, tag);
        this._nodes.push(node);
    },

    /**
     * Gets node by tag
     * @deprecated since v3.0, please use getChildByTag instead.
     * @param {Number} tag
     * @returns {cc.Node}
     */
    getNodeByTag: function (tag) {
        var _nodes = this._nodes;
        for (var i = 0; i < _nodes.length; i++) {
            var node = _nodes[i];
            if (node && node.getTag() == tag) {
                return node;
            }
        }
        return null;
    },

    /**
     * Returns all children.
     * @deprecated since v3.0, please use getChildren instead.
     * @returns {Array}
     */
    getNodes: function () {
        return this._nodes;
    },

    /**
     * Removes a node from ccui.Widget
     * @deprecated since v3.0, please use removeChild instead.
     * @param {cc.Node} node
     * @param {Boolean} cleanup
     */
    removeNode: function (node, cleanup) {
        cc.Node.prototype.removeChild.call(this, node, cleanup);
        cc.arrayRemoveObject(this._nodes, node);
    },

    /**
     * Removes node by tag
     * @deprecated since v3.0, please use removeChildByTag instead.
     * @param {Number} tag
     * @param {Boolean} [cleanup]
     */
    removeNodeByTag: function (tag, cleanup) {
        var node = this.getNodeByTag(tag);
        if (!node)
            cc.log("cocos2d: removeNodeByTag(tag = %d): child not found!", tag);
        else
            this.removeNode(node);
    },

    /**
     * Removes all node
     * @deprecated since v3.0, please use removeAllChildren instead.
     */
    removeAllNodes: function () {
        for (var i = 0; i < this._nodes.length; i++) {
            var node = this._nodes[i];
            cc.Node.prototype.removeChild.call(this, node);
        }
        this._nodes.length = 0;
    },

    _findLayout: function(){
        var layout = this._parent;
        while(layout){
            if(layout._doLayout){
                layout._doLayoutDirty = true;
                break;
            }else
                layout = layout._parent;
        }
    },

    _updateChildrenDisplayedRGBA: function(){
        this.setColor(this.getColor());
        this.setOpacity(this.getOpacity());
    }
});

var _p = ccui.Widget.prototype;

// Extended properties
/** @expose */
_p.xPercent;
cc.defineGetterSetter(_p, "xPercent", _p._getXPercent, _p._setXPercent);
/** @expose */
_p.yPercent;
cc.defineGetterSetter(_p, "yPercent", _p._getYPercent, _p._setYPercent);
/** @expose */
_p.widthPercent;
cc.defineGetterSetter(_p, "widthPercent", _p._getWidthPercent, _p._setWidthPercent);
/** @expose */
_p.heightPercent;
cc.defineGetterSetter(_p, "heightPercent", _p._getHeightPercent, _p._setHeightPercent);
/** @expose */
_p.widgetParent;
cc.defineGetterSetter(_p, "widgetParent", _p.getWidgetParent);
/** @expose */
_p.enabled;
cc.defineGetterSetter(_p, "enabled", _p.isEnabled, _p.setEnabled);
/** @expose */
_p.focused;
cc.defineGetterSetter(_p, "focused", _p.isFocused, _p.setFocused);
/** @expose */
_p.sizeType;
cc.defineGetterSetter(_p, "sizeType", _p.getSizeType, _p.setSizeType);
/** @expose */
_p.widgetType;
cc.defineGetterSetter(_p, "widgetType", _p.getWidgetType);
/** @expose */
_p.touchEnabled;
cc.defineGetterSetter(_p, "touchEnabled", _p.isTouchEnabled, _p.setTouchEnabled);
/** @expose */
_p.updateEnabled;
cc.defineGetterSetter(_p, "updateEnabled", _p.isUpdateEnabled, _p.setUpdateEnabled);
/** @expose */
_p.bright;
cc.defineGetterSetter(_p, "bright", _p.isBright, _p.setBright);
/** @expose */
_p.name;
cc.defineGetterSetter(_p, "name", _p.getName, _p.setName);
/** @expose */
_p.actionTag;
cc.defineGetterSetter(_p, "actionTag", _p.getActionTag, _p.setActionTag);
/** @expose */
_p.opacity;
cc.defineGetterSetter(_p, "opacity", _p.getOpacity, _p.setOpacity);

_p = null;

/**
 * allocates and initializes a UIWidget.
 * @deprecated
 * @return {ccui.Widget}
 * @example
 * // example
 * var uiWidget = ccui.Widget.create();
 */
ccui.Widget.create = function () {
    return new ccui.Widget();
};

ccui.Widget._focusedWidget = null;                        //both layout & widget will be stored in this variable

/**
 * Gets the focused widget of current stage.
 * @function
 * @returns {null|ccui.Widget}
 */
ccui.Widget.getCurrentFocusedWidget = function(){
    return ccui.Widget._focusedWidget;
};

// Constants
//bright style
/**
 * None bright style of ccui.Widget.
 * @constant
 * @type {number}
 */
ccui.Widget.BRIGHT_STYLE_NONE = -1;
/**
 * Normal bright style of ccui.Widget.
 * @constant
 * @type {number}
 */
ccui.Widget.BRIGHT_STYLE_NORMAL = 0;
/**
 * Light bright style of ccui.Widget.
 * @constant
 * @type {number}
 */
ccui.Widget.BRIGHT_STYLE_HIGH_LIGHT = 1;

//widget type
/**
 * The type code of Widget for ccui controls.
 * @constant
 * @type {number}
 */
ccui.Widget.TYPE_WIDGET = 0;
/**
 * The type code of Container for ccui controls.
 * @constant
 * @type {number}
 */
ccui.Widget.TYPE_CONTAINER = 1;

//Focus Direction
/**
 * The left of Focus direction for ccui.Widget
 * @constant
 * @type {number}
 */
ccui.Widget.LEFT = 0;
/**
 * The right of Focus direction for ccui.Widget
 * @constant
 * @type {number}
 */
ccui.Widget.RIGHT = 1;
/**
 * The up of Focus direction for ccui.Widget
 * @constant
 * @type {number}
 */
ccui.Widget.UP = 0;
/**
 * The down of Focus direction for ccui.Widget
 * @constant
 * @type {number}
 */
ccui.Widget.DOWN = 1;

//texture resource type
/**
 * The image file texture type of ccui.Widget loads.
 * @constant
 * @type {number}
 */
ccui.Widget.LOCAL_TEXTURE = 0;
/**
 * The sprite frame texture type of ccui.Widget loads.
 * @constant
 * @type {number}
 */
ccui.Widget.PLIST_TEXTURE = 1;

//touch event type
/**
 * The touch began type of ccui.Widget's touch event
 * @constant
 * @type {number}
 */
ccui.Widget.TOUCH_BEGAN = 0;
/**
 * The touch moved type of ccui.Widget's touch event
 * @constant
 * @type {number}
 */
ccui.Widget.TOUCH_MOVED = 1;
/**
 * The touch end type of ccui.Widget's touch event
 * @constant
 * @type {number}
 */
ccui.Widget.TOUCH_ENDED = 2;
/**
 * The touch canceled type of ccui.Widget's touch event
 * @constant
 * @type {number}
 */
ccui.Widget.TOUCH_CANCELED = 3;

//size type
/**
 * The absolute of ccui.Widget's size type.
 * @constant
 * @type {number}
 */
ccui.Widget.SIZE_ABSOLUTE = 0;
/**
 * The percent of ccui.Widget's size type.
 * @constant
 * @type {number}
 */
ccui.Widget.SIZE_PERCENT = 1;

//position type
/**
 * The absolute of ccui.Widget's position type.
 * @constant
 * @type {number}
 */
ccui.Widget.POSITION_ABSOLUTE = 0;
/**
 * The percent of ccui.Widget's position type.
 * @constant
 * @type {number}
 */
ccui.Widget.POSITION_PERCENT = 1;

/**
 * The widget focus event.
 * @class
 * @extends cc.Event
 */
cc.EventFocus = cc.Event.extend(/** @lends cc.EventFocus# */{
    _widgetGetFocus: null,
    _widgetLoseFocus: null,
    /**
     * Constructor function.
     * @param {ccui.Widget} widgetLoseFocus
     * @param {ccui.Widget} widgetGetFocus
     */
    ctor: function(widgetLoseFocus, widgetGetFocus){
        this._widgetGetFocus = widgetGetFocus;
        this._widgetLoseFocus = widgetLoseFocus;
    }
});