source: Dev/branches/rest-dojo-ui/client/dojox/gauges/BarCircleIndicator.js @ 256

define(["dojo/_base/declare","dojox/gfx","./BarLineIndicator"],
  function(declare, gfx, BarLineIndicator) { 

/*=====
        BarLineIndicator = dojox.gauges.BarLineIndicator;
=====*/

return declare("dojox.gauges.BarCircleIndicator", [BarLineIndicator], {
        // summary:
        //              An indicator for the BarGauge that draws a circle at a position that corresponds to the
        //              indicator value. This indicator is mainly used to draw round ticks for the scale.
        
        _getShapes: function(group){
                // summary: 
                //              Override of dojox.gauges.BarLineIndicator._getShapes
                var color = this.color ? this.color : 'black';
                var strokeColor = this.strokeColor ? this.strokeColor : color;
                var stroke = {
                        color: strokeColor,
                        width: 1
                };
                if (this.color.type && !this.strokeColor){
                        stroke.color = this.color.colors[0].color;
                }
                var y = this._gauge.dataY + this.offset + this.length / 2;
                var v = this.value;
                if (v < this._gauge.min){
                        v = this._gauge.min;
                }
                if (v > this._gauge.max){
                        v = this._gauge.max;
                }
                var pos = this._gauge._getPosition(v);
                
                var shapes = [group.createCircle({
                        cx: 0,
                        cy: y,
                        r: this.length / 2
                }).setFill(color).setStroke(stroke)];
                
                shapes[0].setTransform(gfx.matrix.translate(pos, 0));
                return shapes;
        }
});
});