add extjs 6.0.1 sources

[extjs.git] / extjs / packages / core / src / util / Offset.js

/**\r
 * @private\r
 */\r
Ext.define('Ext.util.Offset', {\r
\r
    /* Begin Definitions */\r
\r
    statics: {\r
        fromObject: function(obj) {\r
            return new this(obj.x, obj.y);\r
        }\r
    },\r
\r
    /* End Definitions */\r
\r
    constructor: function(x, y) {\r
        this.x = (x != null && !isNaN(x)) ? x : 0;\r
        this.y = (y != null && !isNaN(y)) ? y : 0;\r
\r
        return this;\r
    },\r
\r
    copy: function() {\r
        return new Ext.util.Offset(this.x, this.y);\r
    },\r
\r
    copyFrom: function(p) {\r
        this.x = p.x;\r
        this.y = p.y;\r
    },\r
\r
    toString: function() {\r
        return "Offset[" + this.x + "," + this.y + "]";\r
    },\r
\r
    equals: function(offset) {\r
        //<debug>\r
        if(!(offset instanceof this.statics())) {\r
            Ext.raise('Offset must be an instance of Ext.util.Offset');\r
        }\r
        //</debug>\r
\r
        return (this.x == offset.x && this.y == offset.y);\r
    },\r
\r
    round: function(to) {\r
        if (!isNaN(to)) {\r
            var factor = Math.pow(10, to);\r
            this.x = Math.round(this.x * factor) / factor;\r
            this.y = Math.round(this.y * factor) / factor;\r
        } else {\r
            this.x = Math.round(this.x);\r
            this.y = Math.round(this.y);\r
        }\r
    },\r
\r
    isZero: function() {\r
        return this.x == 0 && this.y == 0;\r
    }\r
});\r