/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
if(!dojo._hasResource['dojox.widget.gauge.AnalogArcIndicator']){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource['dojox.widget.gauge.AnalogArcIndicator'] = true;
dojo.provide('dojox.widget.gauge.AnalogArcIndicator');
dojo.require('dojox.widget.AnalogGauge');
dojo.experimental("dojox.widget.gauge.AnalogArcIndicator");
dojo.declare("dojox.widget.gauge.AnalogArcIndicator",[dojox.widget.gauge.AnalogLineIndicator],{
_createArc: function(val){
// Creating the Arc Path string manually. This is instead of creating new dojox.gfx.Path object
// each time since we really just need the Path string (to use with setShape) and we don't want to
// have to redo the connects, etc.
if(this.shapes[0]){
var a = this._gauge._getRadians(this._gauge._getAngle(val));
var cosa = Math.cos(a);
var sina = Math.sin(a);
var sa = this._gauge._getRadians(this._gauge.startAngle);
var cossa = Math.cos(sa);
var sinsa = Math.sin(sa);
var off = this.offset + this.width;
var p = ['M'];
p.push(this._gauge.cx+this.offset*sinsa);
p.push(this._gauge.cy-this.offset*cossa);
p.push('A', this.offset, this.offset, 0, ((a-sa)>Math.PI)?1:0, 1);
p.push(this._gauge.cx+this.offset*sina);
p.push(this._gauge.cy-this.offset*cosa);
p.push('L');
p.push(this._gauge.cx+off*sina);
p.push(this._gauge.cy-off*cosa);
p.push('A', off, off, 0, ((a-sa)>Math.PI)?1:0, 0);
p.push(this._gauge.cx+off*sinsa);
p.push(this._gauge.cy-off*cossa);
this.shapes[0].setShape(p.join(' '));
this.currentValue = val;
}
},
draw: function(/*Boolean?*/ dontAnimate){
// summary:
// Override of dojox.widget._Indicator.draw
var v = this.value;
if(v < this._gauge.min){v = this._gauge.min;}
if(v > this._gauge.max){v = this._gauge.max;}
if(this.shapes){
if(dontAnimate){
this._createArc(v);
}else{
var anim = new dojo.Animation({curve: [this.currentValue, v], duration: this.duration, easing: this.easing});
dojo.connect(anim, "onAnimate", dojo.hitch(this, this._createArc));
anim.play();
}
}else{
var stroke = {color: this.color, width: 1};
if(this.color.type){
stroke.color = this.color.colors[0].color;
}
this.shapes = [this._gauge.surface.createPath()
.setStroke(stroke).setFill(this.color)];
this._createArc(v);
if(this.hover){
this.shapes[0].getEventSource().setAttribute('hover',this.hover);
}
if(this.onDragMove && !this.noChange){
this._gauge.connect(this.shapes[0].getEventSource(), 'onmousedown', this._gauge.handleMouseDown);
this.shapes[0].getEventSource().style.cursor = 'pointer';
}
}
}
});
}