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

define(["dojo/_base/declare","dojo/_base/fx","dojo/_base/connect","dojo/_base/lang","./BarLineIndicator"],
function(declare, fx, connect, lang, BarLineIndicator) { 

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

return declare("dojox.gauges.BarIndicator",[BarLineIndicator],{
        
        // summary:
        //              An indicator for the BarGauge that draws a bar corresponding to the indicator value.    
        
        _getShapes: function(group){
                // summary:
                //              Override of dojox.gauges.BarLineIndicator._getShapes
                if(!this._gauge){
                        return null;
                }
                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);
                if(pos == this.dataX){pos = this.dataX+1;}
                var y = this._gauge.dataY + Math.floor((this._gauge.dataHeight - this.width)/2) + this.offset;

                var shapes = [];
                shapes[0] = group.createRect({x:this._gauge.dataX, y:y, width:pos - this._gauge.dataX, height:this.width});
                shapes[0].setStroke({color: this.color});
                shapes[0].setFill(this.color);
                shapes[1] = group.createLine({ x1:this._gauge.dataX, y1:y, x2:pos, y2:y });
                shapes[1].setStroke({color: this.highlight});
                if(this.highlight2){
                        y--;
                        shapes[2] = group.createLine({ x1:this._gauge.dataX, y1:y, x2:pos, y2:y });
                        shapes[2].setStroke({color: this.highlight2});
                }

                return shapes;
        },
        _createShapes: function(val){
                // summary:
                //              Creates a shallow copy of the current shapes while adjusting for the new value
                for(var i in this.shape.children){
                        i = this.shape.children[i];
                        var newShape = {};
                        for(var j in i){
                                newShape[j] = i[j];
                        }
                        if(i.shape.type == "line"){
                                newShape.shape.x2 = val+newShape.shape.x1;
                        }else if(i.shape.type == "rect"){
                                newShape.width = val;
                        }
                        i.setShape(newShape);
                }
        },
        _move: function(/*Boolean?*/ dontAnimate){
                // summary:
                //              Override of dojox.gauges.BarLineIndicator._move to resize the bar (rather than moving it)
                
                var c;
                var v = this.value ;
                if(v < this.min){v = this.min;}
                if(v > this.max){v = this.max;}
                c = this._gauge._getPosition(this.currentValue);
                this.currentValue = v;
                v = this._gauge._getPosition(v)-this._gauge.dataX;
                if(dontAnimate){
                        this._createShapes(v);
                }else{
                        if(c!=v){
                                var anim = new fx.Animation({curve: [c, v], duration: this.duration, easing: this.easing});
                                connect.connect(anim, "onAnimate", lang.hitch(this, this._createShapes));
                                anim.play();
                        }
                }
        }
});
});