733 lines
22 KiB
JavaScript
733 lines
22 KiB
JavaScript
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dojo.provide("dojox.gfx.shape");
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dojo.require("dojox.gfx._base");
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dojo.declare("dojox.gfx.Shape", null, {
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// summary: a Shape object, which knows how to apply
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// graphical attributes and transformations
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constructor: function(){
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// rawNode: Node: underlying node
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this.rawNode = null;
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// shape: Object: an abstract shape object
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// (see dojox.gfx.defaultPath,
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// dojox.gfx.defaultPolyline,
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// dojox.gfx.defaultRect,
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// dojox.gfx.defaultEllipse,
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// dojox.gfx.defaultCircle,
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// dojox.gfx.defaultLine,
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// or dojox.gfx.defaultImage)
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this.shape = null;
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// matrix: dojox.gfx.Matrix2D: a transformation matrix
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this.matrix = null;
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// fillStyle: Object: a fill object
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// (see dojox.gfx.defaultLinearGradient,
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// dojox.gfx.defaultRadialGradient,
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// dojox.gfx.defaultPattern,
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// or dojo.Color)
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this.fillStyle = null;
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// strokeStyle: Object: a stroke object
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// (see dojox.gfx.defaultStroke)
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this.strokeStyle = null;
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// bbox: dojox.gfx.Rectangle: a bounding box of this shape
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// (see dojox.gfx.defaultRect)
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this.bbox = null;
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// virtual group structure
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// parent: Object: a parent or null
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// (see dojox.gfx.Surface,
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// dojox.gfx.shape.VirtualGroup,
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// or dojox.gfx.Group)
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this.parent = null;
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// parentMatrix: dojox.gfx.Matrix2D
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// a transformation matrix inherited from the parent
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this.parentMatrix = null;
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},
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// trivial getters
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getNode: function(){
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// summary: returns the current DOM Node or null
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return this.rawNode; // Node
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},
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getShape: function(){
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// summary: returns the current shape object or null
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// (see dojox.gfx.defaultPath,
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// dojox.gfx.defaultPolyline,
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// dojox.gfx.defaultRect,
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// dojox.gfx.defaultEllipse,
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// dojox.gfx.defaultCircle,
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// dojox.gfx.defaultLine,
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// or dojox.gfx.defaultImage)
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return this.shape; // Object
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},
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getTransform: function(){
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// summary: returns the current transformation matrix or null
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return this.matrix; // dojox.gfx.Matrix2D
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},
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getFill: function(){
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// summary: returns the current fill object or null
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// (see dojox.gfx.defaultLinearGradient,
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// dojox.gfx.defaultRadialGradient,
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// dojox.gfx.defaultPattern,
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// or dojo.Color)
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return this.fillStyle; // Object
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},
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getStroke: function(){
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// summary: returns the current stroke object or null
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// (see dojox.gfx.defaultStroke)
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return this.strokeStyle; // Object
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},
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getParent: function(){
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// summary: returns the parent or null
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// (see dojox.gfx.Surface,
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// dojox.gfx.shape.VirtualGroup,
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// or dojox.gfx.Group)
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return this.parent; // Object
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},
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getBoundingBox: function(){
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// summary: returns the bounding box or null
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// (see dojox.gfx.defaultRect)
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return this.bbox; // dojox.gfx.Rectangle
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},
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getTransformedBoundingBox: function(){
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// summary: returns an array of four points or null
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// four points represent four corners of the untransformed bounding box
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var b = this.getBoundingBox();
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if(!b){
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return null; // null
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}
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var m = this._getRealMatrix();
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var r = [];
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var g = dojox.gfx.matrix;
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r.push(g.multiplyPoint(m, b.x, b.y));
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r.push(g.multiplyPoint(m, b.x + b.width, b.y));
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r.push(g.multiplyPoint(m, b.x + b.width, b.y + b.height));
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r.push(g.multiplyPoint(m, b.x, b.y + b.height));
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return r; // Array
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},
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getEventSource: function(){
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// summary: returns a Node, which is used as
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// a source of events for this shape
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// COULD BE RE-IMPLEMENTED BY THE RENDERER!
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return this.rawNode; // Node
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},
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// empty settings
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setShape: function(shape){
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// summary: sets a shape object
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// (the default implementation simply ignores it)
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// shape: Object: a shape object
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// (see dojox.gfx.defaultPath,
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// dojox.gfx.defaultPolyline,
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// dojox.gfx.defaultRect,
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// dojox.gfx.defaultEllipse,
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// dojox.gfx.defaultCircle,
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// dojox.gfx.defaultLine,
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// or dojox.gfx.defaultImage)
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// COULD BE RE-IMPLEMENTED BY THE RENDERER!
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this.shape = dojox.gfx.makeParameters(this.shape, shape);
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this.bbox = null;
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return this; // self
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},
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setFill: function(fill){
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// summary: sets a fill object
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// (the default implementation simply ignores it)
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// fill: Object: a fill object
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// (see dojox.gfx.defaultLinearGradient,
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// dojox.gfx.defaultRadialGradient,
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// dojox.gfx.defaultPattern,
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// or dojo.Color)
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// COULD BE RE-IMPLEMENTED BY THE RENDERER!
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if(!fill){
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// don't fill
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this.fillStyle = null;
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return this; // self
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}
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var f = null;
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if(typeof(fill) == "object" && "type" in fill){
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// gradient or pattern
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switch(fill.type){
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case "linear":
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f = dojox.gfx.makeParameters(dojox.gfx.defaultLinearGradient, fill);
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break;
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case "radial":
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f = dojox.gfx.makeParameters(dojox.gfx.defaultRadialGradient, fill);
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break;
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case "pattern":
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f = dojox.gfx.makeParameters(dojox.gfx.defaultPattern, fill);
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break;
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}
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}else{
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// color object
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f = dojox.gfx.normalizeColor(fill);
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}
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this.fillStyle = f;
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return this; // self
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},
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setStroke: function(stroke){
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// summary: sets a stroke object
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// (the default implementation simply ignores it)
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// stroke: Object: a stroke object
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// (see dojox.gfx.defaultStroke)
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// COULD BE RE-IMPLEMENTED BY THE RENDERER!
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if(!stroke){
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// don't stroke
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this.strokeStyle = null;
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return this; // self
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}
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// normalize the stroke
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if(typeof stroke == "string" || dojo.isArray(stroke) || stroke instanceof dojo.Color){
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stroke = {color: stroke};
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}
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var s = this.strokeStyle = dojox.gfx.makeParameters(dojox.gfx.defaultStroke, stroke);
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s.color = dojox.gfx.normalizeColor(s.color);
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return this; // self
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},
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setTransform: function(matrix){
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// summary: sets a transformation matrix
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// matrix: dojox.gfx.Matrix2D: a matrix or a matrix-like object
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// (see an argument of dojox.gfx.Matrix2D
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// constructor for a list of acceptable arguments)
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// COULD BE RE-IMPLEMENTED BY THE RENDERER!
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this.matrix = dojox.gfx.matrix.clone(matrix ? dojox.gfx.matrix.normalize(matrix) : dojox.gfx.matrix.identity);
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return this._applyTransform(); // self
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},
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_applyTransform: function(){
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// summary: physically sets a matrix
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// COULD BE RE-IMPLEMENTED BY THE RENDERER!
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return this; // self
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},
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// z-index
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moveToFront: function(){
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// summary: moves a shape to front of its parent's list of shapes
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var p = this.getParent();
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if(p){
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p._moveChildToFront(this);
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this._moveToFront(); // execute renderer-specific action
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}
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return this; // self
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},
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moveToBack: function(){
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// summary: moves a shape to back of its parent's list of shapes
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var p = this.getParent();
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if(p){
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p._moveChildToBack(this);
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this._moveToBack(); // execute renderer-specific action
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}
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return this;
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},
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_moveToFront: function(){
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// summary: renderer-specific hook, see dojox.gfx.shape.Shape.moveToFront()
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// COULD BE RE-IMPLEMENTED BY THE RENDERER!
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},
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_moveToBack: function(){
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// summary: renderer-specific hook, see dojox.gfx.shape.Shape.moveToFront()
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// COULD BE RE-IMPLEMENTED BY THE RENDERER!
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},
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// apply left & right transformation
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applyRightTransform: function(matrix){
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// summary: multiplies the existing matrix with an argument on right side
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// (this.matrix * matrix)
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// matrix: dojox.gfx.Matrix2D: a matrix or a matrix-like object
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// (see an argument of dojox.gfx.Matrix2D
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// constructor for a list of acceptable arguments)
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return matrix ? this.setTransform([this.matrix, matrix]) : this; // self
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},
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applyLeftTransform: function(matrix){
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// summary: multiplies the existing matrix with an argument on left side
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// (matrix * this.matrix)
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// matrix: dojox.gfx.Matrix2D: a matrix or a matrix-like object
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// (see an argument of dojox.gfx.Matrix2D
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// constructor for a list of acceptable arguments)
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return matrix ? this.setTransform([matrix, this.matrix]) : this; // self
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},
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applyTransform: function(matrix){
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// summary: a shortcut for dojox.gfx.Shape.applyRightTransform
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// matrix: dojox.gfx.Matrix2D: a matrix or a matrix-like object
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// (see an argument of dojox.gfx.Matrix2D
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// constructor for a list of acceptable arguments)
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return matrix ? this.setTransform([this.matrix, matrix]) : this; // self
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},
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// virtual group methods
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removeShape: function(silently){
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// summary: removes the shape from its parent's list of shapes
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// silently: Boolean?: if true, do not redraw a picture yet
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if(this.parent){
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this.parent.remove(this, silently);
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}
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return this; // self
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},
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_setParent: function(parent, matrix){
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// summary: sets a parent
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// parent: Object: a parent or null
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// (see dojox.gfx.Surface,
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// dojox.gfx.shape.VirtualGroup,
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// or dojox.gfx.Group)
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// matrix: dojox.gfx.Matrix2D:
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// a 2D matrix or a matrix-like object
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this.parent = parent;
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return this._updateParentMatrix(matrix); // self
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},
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_updateParentMatrix: function(matrix){
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// summary: updates the parent matrix with new matrix
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// matrix: dojox.gfx.Matrix2D:
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// a 2D matrix or a matrix-like object
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this.parentMatrix = matrix ? dojox.gfx.matrix.clone(matrix) : null;
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return this._applyTransform(); // self
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},
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_getRealMatrix: function(){
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// summary: returns the cumulative ("real") transformation matrix
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// by combining the shape's matrix with its parent's matrix
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var m = this.matrix;
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var p = this.parent;
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while(p){
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if(p.matrix){
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m = dojox.gfx.matrix.multiply(p.matrix, m);
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}
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p = p.parent;
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}
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return m; // dojox.gfx.Matrix2D
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}
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});
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dojox.gfx.shape._eventsProcessing = {
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connect: function(name, object, method){
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// summary: connects a handler to an event on this shape
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// COULD BE RE-IMPLEMENTED BY THE RENDERER!
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return arguments.length > 2 ? // Object
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dojo.connect(this.getEventSource(), name, object, method) :
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dojo.connect(this.getEventSource(), name, object);
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},
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disconnect: function(token){
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// summary: connects a handler by token from an event on this shape
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// COULD BE RE-IMPLEMENTED BY THE RENDERER!
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dojo.disconnect(token);
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}
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};
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dojo.extend(dojox.gfx.Shape, dojox.gfx.shape._eventsProcessing);
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dojox.gfx.shape.Container = {
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// summary: a container of shapes, which can be used
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// as a foundation for renderer-specific groups, or as a way
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// to logically group shapes (e.g, to propagate matricies)
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_init: function() {
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// children: Array: a list of children
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this.children = [];
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},
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// group management
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add: function(shape){
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// summary: adds a shape to the list
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// shape: dojox.gfx.Shape: a shape
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var oldParent = shape.getParent();
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if(oldParent){
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oldParent.remove(shape, true);
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}
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this.children.push(shape);
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return shape._setParent(this, this._getRealMatrix()); // self
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},
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remove: function(shape, silently){
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// summary: removes a shape from the list
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// silently: Boolean?: if true, do not redraw a picture yet
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||
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for(var i = 0; i < this.children.length; ++i){
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if(this.children[i] == shape){
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if(silently){
|
||
|
|
// skip for now
|
||
|
|
}else{
|
||
|
|
shape.parent = null;
|
||
|
|
shape.parentMatrix = null;
|
||
|
|
}
|
||
|
|
this.children.splice(i, 1);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this; // self
|
||
|
|
},
|
||
|
|
clear: function(){
|
||
|
|
// summary: removes all shapes from a group/surface
|
||
|
|
this.children = [];
|
||
|
|
return this; // self
|
||
|
|
},
|
||
|
|
|
||
|
|
// moving child nodes
|
||
|
|
|
||
|
|
_moveChildToFront: function(shape){
|
||
|
|
// summary: moves a shape to front of the list of shapes
|
||
|
|
for(var i = 0; i < this.children.length; ++i){
|
||
|
|
if(this.children[i] == shape){
|
||
|
|
this.children.splice(i, 1);
|
||
|
|
this.children.push(shape);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this; // self
|
||
|
|
},
|
||
|
|
_moveChildToBack: function(shape){
|
||
|
|
// summary: moves a shape to back of the list of shapes
|
||
|
|
for(var i = 0; i < this.children.length; ++i){
|
||
|
|
if(this.children[i] == shape){
|
||
|
|
this.children.splice(i, 1);
|
||
|
|
this.children.unshift(shape);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this; // self
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
dojo.declare("dojox.gfx.shape.Surface", null, {
|
||
|
|
// summary: a surface object to be used for drawings
|
||
|
|
constructor: function(){
|
||
|
|
// underlying node
|
||
|
|
this.rawNode = null;
|
||
|
|
// the parent node
|
||
|
|
this._parent = null;
|
||
|
|
// the list of DOM nodes to be deleted in the case of destruction
|
||
|
|
this._nodes = [];
|
||
|
|
// the list of events to be detached in the case of destruction
|
||
|
|
this._events = [];
|
||
|
|
},
|
||
|
|
destroy: function(){
|
||
|
|
// summary: destroy all relevant external resources and release all
|
||
|
|
// external references to make this object garbage-collectible
|
||
|
|
dojo.forEach(this._nodes, dojo.destroy);
|
||
|
|
this._nodes = [];
|
||
|
|
dojo.forEach(this._events, dojo.disconnect);
|
||
|
|
this._events = [];
|
||
|
|
this.rawNode = null; // recycle it in _nodes, if it needs to be recycled
|
||
|
|
if(dojo.isIE){
|
||
|
|
while(this._parent.lastChild){
|
||
|
|
dojo.destroy(this._parent.lastChild);
|
||
|
|
}
|
||
|
|
}else{
|
||
|
|
this._parent.innerHTML = "";
|
||
|
|
}
|
||
|
|
this._parent = null;
|
||
|
|
},
|
||
|
|
getEventSource: function(){
|
||
|
|
// summary: returns a node, which can be used to attach event listeners
|
||
|
|
return this.rawNode; // Node
|
||
|
|
},
|
||
|
|
_getRealMatrix: function(){
|
||
|
|
// summary: always returns the identity matrix
|
||
|
|
return null; // dojox.gfx.Matrix2D
|
||
|
|
},
|
||
|
|
isLoaded: true,
|
||
|
|
onLoad: function(/*dojox.gfx.Surface*/ surface){
|
||
|
|
// summary: local event, fired once when the surface is created
|
||
|
|
// asynchronously, used only when isLoaded is false, required
|
||
|
|
// only for Silverlight.
|
||
|
|
},
|
||
|
|
whenLoaded: function(
|
||
|
|
/*Object?*/ context,
|
||
|
|
/*Function|String*/ method
|
||
|
|
){
|
||
|
|
var f = dojo.hitch(context, method);
|
||
|
|
if(this.isLoaded){
|
||
|
|
f(this);
|
||
|
|
}else{
|
||
|
|
var h = dojo.connect(this, "onLoad", function(surface){
|
||
|
|
dojo.disconnect(h);
|
||
|
|
f(surface);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dojo.extend(dojox.gfx.shape.Surface, dojox.gfx.shape._eventsProcessing);
|
||
|
|
|
||
|
|
dojo.declare("dojox.gfx.Point", null, {
|
||
|
|
// summary: a hypothetical 2D point to be used for drawings - {x, y}
|
||
|
|
// description: This object is defined for documentation purposes.
|
||
|
|
// You should use the naked object instead: {x: 1, y: 2}.
|
||
|
|
});
|
||
|
|
|
||
|
|
dojo.declare("dojox.gfx.Rectangle", null, {
|
||
|
|
// summary: a hypothetical rectangle - {x, y, width, height}
|
||
|
|
// description: This object is defined for documentation purposes.
|
||
|
|
// You should use the naked object instead: {x: 1, y: 2, width: 100, height: 200}.
|
||
|
|
});
|
||
|
|
|
||
|
|
dojo.declare("dojox.gfx.shape.Rect", dojox.gfx.Shape, {
|
||
|
|
// summary: a generic rectangle
|
||
|
|
constructor: function(rawNode){
|
||
|
|
// rawNode: Node: a DOM Node
|
||
|
|
this.shape = dojox.gfx.getDefault("Rect");
|
||
|
|
this.rawNode = rawNode;
|
||
|
|
},
|
||
|
|
getBoundingBox: function(){
|
||
|
|
// summary: returns the bounding box (its shape in this case)
|
||
|
|
return this.shape; // dojox.gfx.Rectangle
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dojo.declare("dojox.gfx.shape.Ellipse", dojox.gfx.Shape, {
|
||
|
|
// summary: a generic ellipse
|
||
|
|
constructor: function(rawNode){
|
||
|
|
// rawNode: Node: a DOM Node
|
||
|
|
this.shape = dojox.gfx.getDefault("Ellipse");
|
||
|
|
this.rawNode = rawNode;
|
||
|
|
},
|
||
|
|
getBoundingBox: function(){
|
||
|
|
// summary: returns the bounding box
|
||
|
|
if(!this.bbox){
|
||
|
|
var shape = this.shape;
|
||
|
|
this.bbox = {x: shape.cx - shape.rx, y: shape.cy - shape.ry,
|
||
|
|
width: 2 * shape.rx, height: 2 * shape.ry};
|
||
|
|
}
|
||
|
|
return this.bbox; // dojox.gfx.Rectangle
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dojo.declare("dojox.gfx.shape.Circle", dojox.gfx.Shape, {
|
||
|
|
// summary: a generic circle
|
||
|
|
// (this is a helper object, which is defined for convenience)
|
||
|
|
constructor: function(rawNode){
|
||
|
|
// rawNode: Node: a DOM Node
|
||
|
|
this.shape = dojox.gfx.getDefault("Circle");
|
||
|
|
this.rawNode = rawNode;
|
||
|
|
},
|
||
|
|
getBoundingBox: function(){
|
||
|
|
// summary: returns the bounding box
|
||
|
|
if(!this.bbox){
|
||
|
|
var shape = this.shape;
|
||
|
|
this.bbox = {x: shape.cx - shape.r, y: shape.cy - shape.r,
|
||
|
|
width: 2 * shape.r, height: 2 * shape.r};
|
||
|
|
}
|
||
|
|
return this.bbox; // dojox.gfx.Rectangle
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dojo.declare("dojox.gfx.shape.Line", dojox.gfx.Shape, {
|
||
|
|
// summary: a generic line
|
||
|
|
// (this is a helper object, which is defined for convenience)
|
||
|
|
constructor: function(rawNode){
|
||
|
|
// rawNode: Node: a DOM Node
|
||
|
|
this.shape = dojox.gfx.getDefault("Line");
|
||
|
|
this.rawNode = rawNode;
|
||
|
|
},
|
||
|
|
getBoundingBox: function(){
|
||
|
|
// summary: returns the bounding box
|
||
|
|
if(!this.bbox){
|
||
|
|
var shape = this.shape;
|
||
|
|
this.bbox = {
|
||
|
|
x: Math.min(shape.x1, shape.x2),
|
||
|
|
y: Math.min(shape.y1, shape.y2),
|
||
|
|
width: Math.abs(shape.x2 - shape.x1),
|
||
|
|
height: Math.abs(shape.y2 - shape.y1)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
return this.bbox; // dojox.gfx.Rectangle
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dojo.declare("dojox.gfx.shape.Polyline", dojox.gfx.Shape, {
|
||
|
|
// summary: a generic polyline/polygon
|
||
|
|
// (this is a helper object, which is defined for convenience)
|
||
|
|
constructor: function(rawNode){
|
||
|
|
// rawNode: Node: a DOM Node
|
||
|
|
this.shape = dojox.gfx.getDefault("Polyline");
|
||
|
|
this.rawNode = rawNode;
|
||
|
|
},
|
||
|
|
setShape: function(points, closed){
|
||
|
|
// summary: sets a polyline/polygon shape object
|
||
|
|
// points: Object: a polyline/polygon shape object
|
||
|
|
// closed: Boolean: close the polyline to make a polygon
|
||
|
|
if(points && points instanceof Array){
|
||
|
|
// points: Array: an array of points
|
||
|
|
dojox.gfx.Shape.prototype.setShape.call(this, {points: points});
|
||
|
|
if(closed && this.shape.points.length){
|
||
|
|
this.shape.points.push(this.shape.points[0]);
|
||
|
|
}
|
||
|
|
}else{
|
||
|
|
dojox.gfx.Shape.prototype.setShape.call(this, points);
|
||
|
|
}
|
||
|
|
return this; // self
|
||
|
|
},
|
||
|
|
getBoundingBox: function(){
|
||
|
|
// summary: returns the bounding box
|
||
|
|
if(!this.bbox && this.shape.points.length){
|
||
|
|
var p = this.shape.points;
|
||
|
|
var l = p.length;
|
||
|
|
var t = p[0];
|
||
|
|
var bbox = {l: t.x, t: t.y, r: t.x, b: t.y};
|
||
|
|
for(var i = 1; i < l; ++i){
|
||
|
|
t = p[i];
|
||
|
|
if(bbox.l > t.x) bbox.l = t.x;
|
||
|
|
if(bbox.r < t.x) bbox.r = t.x;
|
||
|
|
if(bbox.t > t.y) bbox.t = t.y;
|
||
|
|
if(bbox.b < t.y) bbox.b = t.y;
|
||
|
|
}
|
||
|
|
this.bbox = {
|
||
|
|
x: bbox.l,
|
||
|
|
y: bbox.t,
|
||
|
|
width: bbox.r - bbox.l,
|
||
|
|
height: bbox.b - bbox.t
|
||
|
|
};
|
||
|
|
}
|
||
|
|
return this.bbox; // dojox.gfx.Rectangle
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dojo.declare("dojox.gfx.shape.Image", dojox.gfx.Shape, {
|
||
|
|
// summary: a generic image
|
||
|
|
// (this is a helper object, which is defined for convenience)
|
||
|
|
constructor: function(rawNode){
|
||
|
|
// rawNode: Node: a DOM Node
|
||
|
|
this.shape = dojox.gfx.getDefault("Image");
|
||
|
|
this.rawNode = rawNode;
|
||
|
|
},
|
||
|
|
getBoundingBox: function(){
|
||
|
|
// summary: returns the bounding box (its shape in this case)
|
||
|
|
return this.shape; // dojox.gfx.Rectangle
|
||
|
|
},
|
||
|
|
setStroke: function(){
|
||
|
|
// summary: ignore setting a stroke style
|
||
|
|
return this; // self
|
||
|
|
},
|
||
|
|
setFill: function(){
|
||
|
|
// summary: ignore setting a fill style
|
||
|
|
return this; // self
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dojo.declare("dojox.gfx.shape.Text", dojox.gfx.Shape, {
|
||
|
|
// summary: a generic text
|
||
|
|
constructor: function(rawNode){
|
||
|
|
// rawNode: Node: a DOM Node
|
||
|
|
this.fontStyle = null;
|
||
|
|
this.shape = dojox.gfx.getDefault("Text");
|
||
|
|
this.rawNode = rawNode;
|
||
|
|
},
|
||
|
|
getFont: function(){
|
||
|
|
// summary: returns the current font object or null
|
||
|
|
return this.fontStyle; // Object
|
||
|
|
},
|
||
|
|
setFont: function(newFont){
|
||
|
|
// summary: sets a font for text
|
||
|
|
// newFont: Object: a font object (see dojox.gfx.defaultFont) or a font string
|
||
|
|
this.fontStyle = typeof newFont == "string" ? dojox.gfx.splitFontString(newFont) :
|
||
|
|
dojox.gfx.makeParameters(dojox.gfx.defaultFont, newFont);
|
||
|
|
this._setFont();
|
||
|
|
return this; // self
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dojox.gfx.shape.Creator = {
|
||
|
|
// summary: shape creators
|
||
|
|
createShape: function(shape){
|
||
|
|
// summary: creates a shape object based on its type; it is meant to be used
|
||
|
|
// by group-like objects
|
||
|
|
// shape: Object: a shape descriptor object
|
||
|
|
var gfx = dojox.gfx;
|
||
|
|
switch(shape.type){
|
||
|
|
case gfx.defaultPath.type: return this.createPath(shape);
|
||
|
|
case gfx.defaultRect.type: return this.createRect(shape);
|
||
|
|
case gfx.defaultCircle.type: return this.createCircle(shape);
|
||
|
|
case gfx.defaultEllipse.type: return this.createEllipse(shape);
|
||
|
|
case gfx.defaultLine.type: return this.createLine(shape);
|
||
|
|
case gfx.defaultPolyline.type: return this.createPolyline(shape);
|
||
|
|
case gfx.defaultImage.type: return this.createImage(shape);
|
||
|
|
case gfx.defaultText.type: return this.createText(shape);
|
||
|
|
case gfx.defaultTextPath.type: return this.createTextPath(shape);
|
||
|
|
}
|
||
|
|
return null;
|
||
|
|
},
|
||
|
|
createGroup: function(){
|
||
|
|
// summary: creates a group shape
|
||
|
|
return this.createObject(dojox.gfx.Group); // dojox.gfx.Group
|
||
|
|
},
|
||
|
|
createRect: function(rect){
|
||
|
|
// summary: creates a rectangle shape
|
||
|
|
// rect: Object: a path object (see dojox.gfx.defaultRect)
|
||
|
|
return this.createObject(dojox.gfx.Rect, rect); // dojox.gfx.Rect
|
||
|
|
},
|
||
|
|
createEllipse: function(ellipse){
|
||
|
|
// summary: creates an ellipse shape
|
||
|
|
// ellipse: Object: an ellipse object (see dojox.gfx.defaultEllipse)
|
||
|
|
return this.createObject(dojox.gfx.Ellipse, ellipse); // dojox.gfx.Ellipse
|
||
|
|
},
|
||
|
|
createCircle: function(circle){
|
||
|
|
// summary: creates a circle shape
|
||
|
|
// circle: Object: a circle object (see dojox.gfx.defaultCircle)
|
||
|
|
return this.createObject(dojox.gfx.Circle, circle); // dojox.gfx.Circle
|
||
|
|
},
|
||
|
|
createLine: function(line){
|
||
|
|
// summary: creates a line shape
|
||
|
|
// line: Object: a line object (see dojox.gfx.defaultLine)
|
||
|
|
return this.createObject(dojox.gfx.Line, line); // dojox.gfx.Line
|
||
|
|
},
|
||
|
|
createPolyline: function(points){
|
||
|
|
// summary: creates a polyline/polygon shape
|
||
|
|
// points: Object: a points object (see dojox.gfx.defaultPolyline)
|
||
|
|
// or an Array of points
|
||
|
|
return this.createObject(dojox.gfx.Polyline, points); // dojox.gfx.Polyline
|
||
|
|
},
|
||
|
|
createImage: function(image){
|
||
|
|
// summary: creates a image shape
|
||
|
|
// image: Object: an image object (see dojox.gfx.defaultImage)
|
||
|
|
return this.createObject(dojox.gfx.Image, image); // dojox.gfx.Image
|
||
|
|
},
|
||
|
|
createText: function(text){
|
||
|
|
// summary: creates a text shape
|
||
|
|
// text: Object: a text object (see dojox.gfx.defaultText)
|
||
|
|
return this.createObject(dojox.gfx.Text, text); // dojox.gfx.Text
|
||
|
|
},
|
||
|
|
createPath: function(path){
|
||
|
|
// summary: creates a path shape
|
||
|
|
// path: Object: a path object (see dojox.gfx.defaultPath)
|
||
|
|
return this.createObject(dojox.gfx.Path, path); // dojox.gfx.Path
|
||
|
|
},
|
||
|
|
createTextPath: function(text){
|
||
|
|
// summary: creates a text shape
|
||
|
|
// text: Object: a textpath object (see dojox.gfx.defaultTextPath)
|
||
|
|
return this.createObject(dojox.gfx.TextPath, {}).setText(text); // dojox.gfx.TextPath
|
||
|
|
},
|
||
|
|
createObject: function(shapeType, rawShape){
|
||
|
|
// summary: creates an instance of the passed shapeType class
|
||
|
|
// shapeType: Function: a class constructor to create an instance of
|
||
|
|
// rawShape: Object: properties to be passed in to the classes "setShape" method
|
||
|
|
|
||
|
|
// SHOULD BE RE-IMPLEMENTED BY THE RENDERER!
|
||
|
|
|
||
|
|
return null; // dojox.gfx.Shape
|
||
|
|
}
|
||
|
|
};
|