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 Copyright (c) 2011-2012 cocos2d-x.org
 Copyright (c) 2013-2014 Chukong Technologies Inc.

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/**
 * Base class for ccui.Margin
 * @class
 * @extends ccui.Class
 *
 * @property {Number}           left       - Left of margin
 * @property {Number}           top        - Top of margin
 * @property {Number}           right      - right of margin
 * @property {Number}           bottom     - bottom of margin
 */
ccui.Margin = ccui.Class.extend(/** @lends ccui.Margin# */{
    left: 0,
    top: 0,
    right: 0,
    bottom: 0,
    /**
     * Constructor of ccui.Margin.
     * @param {Number|ccui.Margin} margin a margin or left
     * @param {Number} [top]
     * @param {Number} [right]
     * @param {Number} [bottom]
     */
    ctor: function (margin, top, right, bottom) {
        if (margin && top === undefined) {
            this.left = margin.left;
            this.top = margin.top;
            this.right = margin.right;
            this.bottom = margin.bottom;
        }
        if (bottom !== undefined) {
            this.left = margin;
            this.top = top;
            this.right = right;
            this.bottom = bottom;
        }
    },
    /**
     * Sets boundary of margin
     * @param {Number} l left
     * @param {Number} t top
     * @param {Number} r right
     * @param {Number} b bottom
     */
    setMargin: function (l, t, r, b) {
        this.left = l;
        this.top = t;
        this.right = r;
        this.bottom = b;
    },
    /**
     * Checks target whether equals itself.
     * @param {ccui.Margin} target
     * @returns {boolean}
     */
    equals: function (target) {
        return (this.left == target.left && this.top == target.top && this.right == target.right && this.bottom == target.bottom);
    }
});

/**
 * Gets a zero margin object
 * @function
 * @returns {ccui.Margin}
 */
ccui.MarginZero = function(){
    return new ccui.Margin(0,0,0,0);
};

/**
 * Layout parameter contains a margin and layout parameter type. It uses for ccui.LayoutManager.
 * @class
 * @extends ccui.Class
 */
ccui.LayoutParameter = ccui.Class.extend(/** @lends ccui.LayoutParameter# */{
    _margin: null,
    _layoutParameterType: null,

    /**
     * The constructor of ccui.LayoutParameter.
     * @function
     */
    ctor: function () {
        this._margin = new ccui.Margin();
        this._layoutParameterType = ccui.LayoutParameter.NONE;
    },

    /**
     * Sets Margin to LayoutParameter.
     * @param {ccui.Margin} margin
     */
    setMargin: function (margin) {
        if(cc.isObject(margin)){
            this._margin.left = margin.left;
            this._margin.top = margin.top;
            this._margin.right = margin.right;
            this._margin.bottom = margin.bottom;
        }else{
            this._margin.left = arguments[0];
            this._margin.top = arguments[1];
            this._margin.right = arguments[2];
            this._margin.bottom = arguments[3];
        }
    },

    /**
     * Gets Margin of LayoutParameter.
     * @returns {ccui.Margin}
     */
    getMargin: function () {
        return this._margin;
    },

    /**
     * Gets LayoutParameterType of LayoutParameter.
     * @returns {Number}
     */
    getLayoutType: function () {
        return this._layoutParameterType;
    },

    /**
     * Clones a ccui.LayoutParameter object from itself.
     * @returns {ccui.LayoutParameter}
     */
    clone:function(){
        var parameter = this._createCloneInstance();
        parameter._copyProperties(this);
        return parameter;
    },

    /**
     * create clone instance.
     * @returns {ccui.LayoutParameter}
     */
    _createCloneInstance:function(){
        return new ccui.LayoutParameter();
    },

    /**
     * copy properties from model.
     * @param {ccui.LayoutParameter} model
     */
    _copyProperties:function(model){
        this._margin.bottom = model._margin.bottom;
        this._margin.left = model._margin.left;
        this._margin.right = model._margin.right;
        this._margin.top = model._margin.top;
    }
});

/**
 * allocates and initializes a LayoutParameter.
 * @constructs
 * @return {ccui.LayoutParameter}
 * @example
 * // example
 * var uiLayoutParameter = ccui.LayoutParameter.create();
 */
ccui.LayoutParameter.create = function () {
    return new ccui.LayoutParameter();
};

// Constants
//layout parameter type
/**
 * The none of ccui.LayoutParameter's type.
 * @constant
 * @type {number}
 */
ccui.LayoutParameter.NONE = 0;
/**
 * The linear of ccui.LayoutParameter's type.
 * @constant
 * @type {number}
 */
ccui.LayoutParameter.LINEAR = 1;
/**
 * The relative of ccui.LayoutParameter's type.
 * @constant
 * @type {number}
 */
ccui.LayoutParameter.RELATIVE = 2;

/**
 * The linear of Layout parameter. its parameter type is ccui.LayoutParameter.LINEAR.
 * @class
 * @extends ccui.LayoutParameter
 */
ccui.LinearLayoutParameter = ccui.LayoutParameter.extend(/** @lends ccui.LinearLayoutParameter# */{
    _linearGravity: null,
    /**
     * The constructor of ccui.LinearLayoutParameter.
     * @function
     */
    ctor: function () {
        ccui.LayoutParameter.prototype.ctor.call(this);
        this._linearGravity = ccui.LinearLayoutParameter.NONE;
        this._layoutParameterType = ccui.LayoutParameter.LINEAR;
    },

    /**
     * Sets LinearGravity to LayoutParameter.
     * @param {Number} gravity
     */
    setGravity: function (gravity) {
        this._linearGravity = gravity;
    },

    /**
     * Gets LinearGravity of LayoutParameter.
     * @returns {Number}
     */
    getGravity: function () {
        return this._linearGravity;
    },

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

    _copyProperties: function (model) {
        ccui.LayoutParameter.prototype._copyProperties.call(this, model);
        if (model instanceof ccui.LinearLayoutParameter)
            this.setGravity(model._linearGravity);
    }
});

/**
 * allocates and initializes a LinearLayoutParameter.
 * @constructs
 * @return {ccui.LinearLayoutParameter}
 * @example
 * // example
 * var uiLinearLayoutParameter = ccui.LinearLayoutParameter.create();
 */
ccui.LinearLayoutParameter.create = function () {
    return new ccui.LinearLayoutParameter();
};

// Constants
//Linear layout parameter LinearGravity
/**
 * The none of ccui.LinearLayoutParameter's linear gravity.
 * @constant
 * @type {number}
 */
ccui.LinearLayoutParameter.NONE = 0;

/**
 * The left of ccui.LinearLayoutParameter's linear gravity.
 * @constant
 * @type {number}
 */
ccui.LinearLayoutParameter.LEFT = 1;
/**
 * The top of ccui.LinearLayoutParameter's linear gravity.
 * @constant
 * @type {number}
 */
ccui.LinearLayoutParameter.TOP = 2;
/**
 * The right of ccui.LinearLayoutParameter's linear gravity.
 * @constant
 * @type {number}
 */
ccui.LinearLayoutParameter.RIGHT = 3;
/**
 * The bottom of ccui.LinearLayoutParameter's linear gravity.
 * @constant
 * @type {number}
 */
ccui.LinearLayoutParameter.BOTTOM = 4;
/**
 * The center vertical of ccui.LinearLayoutParameter's linear gravity.
 * @constant
 * @type {number}
 */
ccui.LinearLayoutParameter.CENTER_VERTICAL = 5;
/**
 * The center horizontal of ccui.LinearLayoutParameter's linear gravity.
 * @constant
 * @type {number}
 */
ccui.LinearLayoutParameter.CENTER_HORIZONTAL = 6;

/**
 * The relative of layout parameter. Its layout parameter type is ccui.LayoutParameter.RELATIVE.
 * @class
 * @extends ccui.LayoutParameter
 */
ccui.RelativeLayoutParameter = ccui.LayoutParameter.extend(/** @lends ccui.RelativeLayoutParameter# */{
    _relativeAlign: null,
    _relativeWidgetName: "",
    _relativeLayoutName: "",
    _put:false,
    /**
     * The constructor of ccui.RelativeLayoutParameter
     * @function
     */
    ctor: function () {
        ccui.LayoutParameter.prototype.ctor.call(this);
        this._relativeAlign = ccui.RelativeLayoutParameter.NONE;
        this._relativeWidgetName = "";
        this._relativeLayoutName = "";
        this._put = false;
        this._layoutParameterType = ccui.LayoutParameter.RELATIVE;
    },

    /**
     * Sets RelativeAlign parameter for LayoutParameter.
     * @param {Number} align
     */
    setAlign: function (align) {
        this._relativeAlign = align;
    },

    /**
     * Gets RelativeAlign parameter for LayoutParameter.
     * @returns {Number}
     */
    getAlign: function () {
        return this._relativeAlign;
    },

    /**
     * Sets a key for LayoutParameter. Witch widget named this is relative to.
     * @param {String} name
     */
    setRelativeToWidgetName: function (name) {
        this._relativeWidgetName = name;
    },

    /**
     * Gets the key of LayoutParameter. Witch widget named this is relative to.
     * @returns {string}
     */
    getRelativeToWidgetName: function () {
        return this._relativeWidgetName;
    },

    /**
     * Sets a name in Relative Layout for LayoutParameter.
     * @param {String} name
     */
    setRelativeName: function (name) {
        this._relativeLayoutName = name;
    },

    /**
     * Gets a name in Relative Layout of LayoutParameter.
     * @returns {string}
     */
    getRelativeName: function () {
        return this._relativeLayoutName;
    },

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

    _copyProperties:function(model){
        ccui.LayoutParameter.prototype._copyProperties.call(this, model);
        if (model instanceof ccui.RelativeLayoutParameter) {
            this.setAlign(model._relativeAlign);
            this.setRelativeToWidgetName(model._relativeWidgetName);
            this.setRelativeName(model._relativeLayoutName);
        }
    }
});

/**
 * Allocates and initializes a RelativeLayoutParameter.
 * @function
 * @deprecated since v3.0, please use new ccui.RelativeLayoutParameter() instead.
 * @return {ccui.RelativeLayoutParameter}
 * @example
 * // example
 * var uiRelativeLayoutParameter = ccui.RelativeLayoutParameter.create();
 */
ccui.RelativeLayoutParameter.create = function () {
    return new ccui.RelativeLayoutParameter();
};

// Constants
//Relative layout parameter RelativeAlign
/**
 * The none of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.NONE = 0;
/**
 * The parent's top left of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.PARENT_TOP_LEFT = 1;
/**
 * The parent's top center horizontal of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.PARENT_TOP_CENTER_HORIZONTAL = 2;
/**
 * The parent's top right of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.PARENT_TOP_RIGHT = 3;
/**
 * The parent's left center vertical of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.PARENT_LEFT_CENTER_VERTICAL = 4;

/**
 * The center in parent of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.CENTER_IN_PARENT = 5;

/**
 * The parent's right center vertical of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.PARENT_RIGHT_CENTER_VERTICAL = 6;
/**
 * The parent's left bottom of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.PARENT_LEFT_BOTTOM = 7;
/**
 * The parent's bottom center horizontal of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.PARENT_BOTTOM_CENTER_HORIZONTAL = 8;
/**
 * The parent's right bottom of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.PARENT_RIGHT_BOTTOM = 9;

/**
 * The location above left align of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.LOCATION_ABOVE_LEFTALIGN = 10;
/**
 * The location above center of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.LOCATION_ABOVE_CENTER = 11;
/**
 * The location above right align of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.LOCATION_ABOVE_RIGHTALIGN = 12;
/**
 * The location left of top align of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.LOCATION_LEFT_OF_TOPALIGN = 13;
/**
 * The location left of center of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.LOCATION_LEFT_OF_CENTER = 14;
/**
 * The location left of bottom align of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.LOCATION_LEFT_OF_BOTTOMALIGN = 15;
/**
 * The location right of top align of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.LOCATION_RIGHT_OF_TOPALIGN = 16;
/**
 * The location right of center of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.LOCATION_RIGHT_OF_CENTER = 17;
/**
 * The location right of bottom align of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.LOCATION_RIGHT_OF_BOTTOMALIGN = 18;
/**
 * The location below left align of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.LOCATION_BELOW_LEFTALIGN = 19;
/**
 * The location below center of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.LOCATION_BELOW_CENTER = 20;
/**
 * The location below right align of ccui.RelativeLayoutParameter's relative align.
 * @constant
 * @type {number}
 */
ccui.RelativeLayoutParameter.LOCATION_BELOW_RIGHTALIGN = 21;

/**
 * @ignore
 */
ccui.LINEAR_GRAVITY_NONE = 0;
ccui.LINEAR_GRAVITY_LEFT = 1;
ccui.LINEAR_GRAVITY_TOP = 2;
ccui.LINEAR_GRAVITY_RIGHT = 3;
ccui.LINEAR_GRAVITY_BOTTOM = 4;
ccui.LINEAR_GRAVITY_CENTER_VERTICAL = 5;
ccui.LINEAR_GRAVITY_CENTER_HORIZONTAL = 6;

//RelativeAlign
ccui.RELATIVE_ALIGN_NONE = 0;
ccui.RELATIVE_ALIGN_PARENT_TOP_LEFT = 1;
ccui.RELATIVE_ALIGN_PARENT_TOP_CENTER_HORIZONTAL = 2;
ccui.RELATIVE_ALIGN_PARENT_TOP_RIGHT = 3;
ccui.RELATIVE_ALIGN_PARENT_LEFT_CENTER_VERTICAL = 4;
ccui.RELATIVE_ALIGN_PARENT_CENTER = 5;
ccui.RELATIVE_ALIGN_PARENT_RIGHT_CENTER_VERTICAL = 6;
ccui.RELATIVE_ALIGN_PARENT_LEFT_BOTTOM = 7;
ccui.RELATIVE_ALIGN_PARENT_BOTTOM_CENTER_HORIZONTAL = 8;
ccui.RELATIVE_ALIGN_PARENT_RIGHT_BOTTOM = 9;

ccui.RELATIVE_ALIGN_LOCATION_ABOVE_LEFT = 10;
ccui.RELATIVE_ALIGN_LOCATION_ABOVE_CENTER = 11;
ccui.RELATIVE_ALIGN_LOCATION_ABOVE_RIGHT = 12;

ccui.RELATIVE_ALIGN_LOCATION_LEFT_TOP = 13;
ccui.RELATIVE_ALIGN_LOCATION_LEFT_CENTER = 14;
ccui.RELATIVE_ALIGN_LOCATION_LEFT_BOTTOM = 15;

ccui.RELATIVE_ALIGN_LOCATION_RIGHT_TOP = 16;
ccui.RELATIVE_ALIGN_LOCATION_RIGHT_CENTER = 17;
ccui.RELATIVE_ALIGN_LOCATION_RIGHT_BOTTOM = 18;

ccui.RELATIVE_ALIGN_LOCATION_BELOW_TOP = 19;
ccui.RELATIVE_ALIGN_LOCATION_BELOW_CENTER = 20;
ccui.RELATIVE_ALIGN_LOCATION_BELOW_BOTTOM = 21;