source: Dev/trunk/src/client/dojox/drawing/stencil/Line.js @ 532

define(["dojo/_base/lang", "../util/oo", "./_Base", "../manager/_registry"], 
function(lang, oo, Base, registry){
var Line = oo.declare(
        Base,
        function(options){
                // summary:
                //              constructor
        },
        {
                // summary:
                //              Creates a dojox.gfx Line based on data or points provided.

                type:"dojox.drawing.stencil.Line",
                anchorType: "single",
                baseRender:true,
                
/*=====
StencilData: {
        // summary:
        //              The data used to create the dojox.gfx Shape, specify
        //              x1,y1,x2,y2, or x,y,angle,radius

        // x1: Number
        //              First point x
        // y1: Number
        //              First point y
        // x2: Number
        //              Second point x
        // y2: Number
        //              Second point y
        
        // ALTERNATIVE:
        
        // x: Number
        //              First point x
        // y: Number
        //              First point y
        // angle: Number
        //              angle of line
        // radius: Number
        //              length of line
},

StencilPoints: [
        // summary:
        //              An Array of dojox.__StencilPoint objects that describe the Stencil
        //              [First point, Second point]
],
=====*/
                
                dataToPoints: function(o){
                        // summary:
                        //              Converts data to points.
                        o = o || this.data;
                        if(o.radius || o.angle){
                                // instead of using x1,x2,y1,y1,
                                // it's been set as x,y,angle,radius
                                
                                var pt = this.util.pointOnCircle(o.x,o.y,o.radius,o.angle);
                                //console.log(" ---- pts:", pt.x, pt.y);
                                this.data = o = {
                                        x1:o.x,
                                        y1:o.y,
                                        x2:pt.x,
                                        y2:pt.y
                                }
                                
                        }
                        this.points = [
                                {x:o.x1, y:o.y1},
                                {x:o.x2, y:o.y2}
                        ];
                        return this.points;
                },
                pointsToData: function(p){
                        // summary:
                        //              Converts points to data
                        p = p || this.points;
                        this.data = {
                                x1: p[0].x,
                                y1: p[0].y,
                                x2: p[1].x,
                                y2: p[1].y
                        };
                        return this.data;
                },
                
                _create: function(/*String*/shp, /*StencilData*/d, /*Object*/sty){
                        // summary:
                        //              Creates a dojox.gfx.shape based on passed arguments.
                        //              Can be called many times by implementation to create
                        //              multiple shapes in one stencil.

                        this.remove(this[shp]);
                        this[shp] = this.container.createLine(d)
                                .setStroke(sty);
                        this._setNodeAtts(this[shp]);
                },
                
                render: function(){
                        // summary:
                        //              Renders the 'hit' object (the shape used for an expanded
                        //              hit area and for highlighting) and the'shape' (the actual
                        //              display object).

                        this.onBeforeRender(this);
                        this.renderHit && this._create("hit", this.data, this.style.currentHit);
                        this._create("shape", this.data, this.style.current);
                        
                }
                
        }
);

lang.setObject("dojox.drawing.stencil.Line", Line);
registry.register({
        name:"dojox.drawing.stencil.Line"
}, "stencil");

return Line;
});