1 files changed, 75 insertions, 0 deletions
diff --git a/js/dojo/dojox/drawing/annotations/Arrow.js b/js/dojo/dojox/drawing/annotations/Arrow.js
new file mode 100644
index 0000000..d069aa0
--- /dev/null
+++ b/js/dojo/dojox/drawing/annotations/Arrow.js
@@ -0,0 +1,75 @@
+//>>built
+// wrapped by build app
+define("dojox/drawing/annotations/Arrow", ["dijit","dojo","dojox","dojo/require!dojox/drawing/stencil/Path"], function(dijit,dojo,dojox){
+dojo.provide("dojox.drawing.annotations.Arrow");
+dojo.require("dojox.drawing.stencil.Path");
+
+dojox.drawing.annotations.Arrow = dojox.drawing.util.oo.declare(
+	// summary:
+	//	An annotation called internally to put an arrowhead
+	//	on ether end of a Line. Initiated in Arrow (and Vector)
+	//	with the optional params: arrowStart and arrowEnd. Both
+	//	default true for Axes.
+	//
+	dojox.drawing.stencil.Path,
+	function(/* dojox.__stencilArgs */options){
+		// arguments: See stencil._Base
+		this.stencil.connectMult([
+			[this.stencil, "select", this, "select"],
+			[this.stencil, "deselect", this, "deselect"],
+			[this.stencil, "render", this, "render"],
+			[this.stencil, "onDelete", this, "destroy"]
+		]);
+		
+		this.connect("onBeforeRender", this, function(){
+			var o = this.stencil.points[this.idx1];
+			var c = this.stencil.points[this.idx2];
+			if(this.stencil.getRadius() >= this.minimumSize){
+				this.points = this.arrowHead(c.x, c.y, o.x, o.y, this.style);
+			}else{
+				this.points = [];
+			}
+		});
+		
+	},
+	{
+		idx1:0,
+		idx2:1,
+		
+		subShape:true,
+		minimumSize:30,
+		//annotation:true, NOT!
+		
+		arrowHead: function(x1, y1, x2, y2, style){
+			// summary:
+			//	Creates data used to draw arrow head.
+			//
+			var obj = {
+				start:{
+					x:x1,
+					y:y1
+				},
+				x:x2,
+				y:y2
+			}
+			var angle = this.util.angle(obj);
+			
+			var lineLength = this.util.length(obj);
+			var al = style.arrows.length;
+			var aw = style.arrows.width/2;
+			if(lineLength<al){
+				al = lineLength/2;
+			}
+			var p1 = this.util.pointOnCircle(x2, y2, -al, angle-aw);
+			var p2 = this.util.pointOnCircle(x2, y2, -al, angle+aw);
+			
+			return [
+				{x:x2, y:y2},
+				p1,
+				p2
+			];
+		}
+		
+	}
+);
+});