// Fireworks JavaScript Command
// Reverse the node order of all selected paths
// Install by copying to Fireworks/Configuration/Commands/
// Run in Fireworks via the Commands menu
// Aaron Beall 2007-2011 - http://fireworks.abeall.com
// Version 1.1

/* TODO
- [DONE-v1.1] apply to only selected contours, ie Reverse Countour Direction
- [FIXED-v1.1] isCurvePoint is not inherited
*/

var dom = fw.selection ? fw.getDocumentDOM() : false; // document object
var sel = new Array().concat(fw.selection);

function ReversePathDirection(){
	var paths = [];
	for(var s in sel){
		if(sel[s] == "[object Path]")
			paths.push(sel[s]);
	}
	if(!paths.length)
		return alert("This command requires a selection of one or more paths. It will reverse the node order of all paths.");
	
	var nodes, node, newNode, newNodes, selectedNodes;
	var subselect = fw.activeTool == 'Subselection', reversed;
	for(var p in paths){
		for(var c in paths[p].contours){
			nodes = paths[p].contours[c].nodes;
			selectedNodes = [];
			if(subselect){
				selected = false;
				for(var n in nodes){
					if(nodes[n].isSelectedPoint){
						selectedNodes[n] = true;
						//break;
					}
				}
				if(!selectedNodes.length)
					continue;
			}
			newNodes = [];
			for(var n in nodes){
				node = nodes[n];
				newNode = {
					x:node.x,
					y:node.y,
					predX:node.succX,
					predY:node.succY,
					succX:node.predX,
					succY:node.predY,
					isCurvePoint:node.isCurvePoint
				};
				newNodes.push(newNode);
			}
			for(var n in nodes){
				node = nodes[n];
				newNode = newNodes.pop();
				node.x = newNode.x;
				node.y = newNode.y;
				node.predX = newNode.predX;
				node.predY = newNode.predY;
				node.succX = newNode.succX;
				node.succY = newNode.succY;
				node.isCurvePoint = newNode.isCurvePoint;
				node.isSelectedPoint = selectedNodes[nodes.length-1-n] ? true : false;
			}
			reversed = true;
		}
	}
	
	if(subselect && !reversed)
		alert("This operation produced no output; when using the Subselect tool you must select at least one point on a contour to reverse all points on that contour -- or select the entire object using the Pointer tool to reverse all contours.");
	
	return true;
}

ReversePathDirection();