source: Dev/trunk/src/client/dojox/gauges/AnalogArrowIndicator.js

define(["dojo/_base/declare","./AnalogIndicatorBase"],
function(declare, AnalogIndicatorBase) {

return declare("dojox.gauges.AnalogArrowIndicator", [AnalogIndicatorBase],{

        // summary:
        //              An indicator for the AnalogGauge that draws an arrow. The arrow is drawn on the angle that corresponds
        //              to the value of the indicator.
        
        _getShapes: function(group){
                // summary:
                //              Override of dojox.gauges.AnalogLineIndicator._getShapes
                if(!this._gauge){
                        return null;
                }
                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 x = Math.floor(this.width/2);
                var head = this.width * 5;
                var odd = (this.width & 1);
                var shapes = [];
                var points = [{x:-x,     y:0},
                                          {x:-x,         y:-this.length+head},
                                          {x:-2*x,       y:-this.length+head},
                                          {x:0,          y:-this.length},
                                          {x:2*x+odd,y:-this.length+head},
                                          {x:x+odd,      y:-this.length+head},
                                          {x:x+odd,      y:0},
                                          {x:-x,         y:0}];
                shapes[0] = group.createPolyline(points)
                                        .setStroke(stroke)
                                        .setFill(color);
                shapes[1] = group.createLine({ x1:-x, y1: 0, x2: -x, y2:-this.length+head })
                                        .setStroke({color: this.highlight});
                shapes[2] = group.createLine({ x1:-x-3, y1: -this.length+head, x2: 0, y2:-this.length })
                                        .setStroke({color: this.highlight});
                shapes[3] = group.createCircle({cx: 0, cy: 0, r: this.width})
                                        .setStroke(stroke)
                                        .setFill(color);
                return shapes;
        }
});
});