add vector refactoring todo

src/layer/vector2/TODO.md

@@ -0,0 +1,90 @@
+
+DONE - Viewport (SVG)
+	calculating viewPort
+	setting up/updating root
+	creating elements
+	zoom animation
+
+DONE - Viewport.VML mixin
+DONE - Viewport.Canvas extends Viewport
+
+Map.Viewport mixin
+	managing viewports
+
+
+Path
+	default style options
+	update clip on moveend
+
+Polyline extends Path
+	project latlngs
+	clip and simplify polyline points
+
+Polygon extends Polyline
+	clip and simplify polygon points
+
+Circle extends Path
+	project circle latlng / radius
+
+CircleMarker extends Path
+
+
+Clip (SVG)
+	set/update svg styles
+	set up svg events
+	create/update svg path
+
+Clip.VML mixin
+	set/update vml styles
+	set up vml events
+	create/update vml path
+
+Clip.Polyline extends Clip
+	generate polyline path string from points
+
+Clip.Polygon extends Clip
+	generate polyline path string from points
+
+Clip.Circle extends Clip
+	generate circle path string from circle/radius
+
+
+Clip.Canvas
+	set/update fill/stroke style
+	draw path from points
+	set up click event (depends on path containsPoint)
+
+Clip.Canvas.Polyline extends Clip.Canvas
+	containsPoint
+
+Clip.Canvas.Polygon extends Clip.Canvas
+	containsPoint
+
+Clip.Canvas.Circle extends Clip.Canvas
+	containsPoint
+	draw arc from point/radius
+
+
+vector
+	polyline
+		Polyline.js
+		Clip.Polyline.js
+		Clip.Canvas.Polyline.js
+	polygon
+		Polygon.js
+		Rectangle.js
+		Clip.Polygon.js
+		Clip.Canvas.Polygon.js
+	circle
+		Circle.js
+		CircleMarker.js
+		Clip.Circle.js
+		Clip.Canvas.Circle.js
+	Path.js
+	Clip.js
+	Clip.VML.js
+	Clip.Canvas.js
+	Viewport.js
+	Viewport.VML.js
+	Viewport.Canvas.js
+	Map.Viewport.js