/*
----------------------------------------------
	Set Primitive Rectangle Corner Radius v1.5
----------------------------------------------
	Created by Matt Stow 2011
	http://www.mattstow.com
----------------------------------------------
*/

(function() {
	if (fw.documents.length == 0) {
		return;
	}
	var dom = fw.getDocumentDOM();
	if (fw.selection != null && fw.selection.length > 0) {
		var rectNum, rectW, rectH, shortSide, existingRadius, maxSize = 0;
		var exact, pixRadiusInput;
		for (i in fw.selection) {
			if (fw.selection[i].toString() == "[object RectanglePrimitive]") {
				rectNum++;
				rectW = fw.selection[i].width;
				rectH = fw.selection[i].height;
				shortSide;
				if (rectW < rectH) {
					shortSide = rectW;
				}
				else {
					shortSide = rectH;
				}
				shortSide = shortSide/100;
				exact = fw.selection[i].mode && fw.selection[i].mode == "exact" ? true : false;
				if (exact) {
					existingRadius = Math.round(fw.selection[i].roundness);
				}
				else {
					existingRadius = fw.selection[i].roundness*shortSide;
					existingRadius = existingRadius*100;
					existingRadius = Math.round(existingRadius/2);
				}
				maxSize = Math.floor((shortSide/2)*100);
				if ((fw.selection.length > 1) && (rectNum > 0)) {				
					pixRadiusInput = prompt("Enter the corner radius in pixels for rectangle " + rectNum + ":\n(Max Size: " + maxSize + "px)", existingRadius);
				}
				else {
					pixRadiusInput = prompt("Enter the corner radius in pixels:\n(Max Size: " + maxSize + "px)", existingRadius);
				}
				if (pixRadiusInput == 0) {
					fw.selection[i].roundness = 0;
				}
				else if ((pixRadiusInput != null) && (pixRadiusInput != "") && (isNaN(pixRadiusInput) == false)) {
					pixRadius = parseInt(pixRadiusInput);
					if (exact) {
						pixRadiusActual = pixRadius;
						if (pixRadiusActual > maxSize) {
							pixRadiusActual = maxSize;
						}
					}
					else {
						pixRadiusActual = (pixRadius/shortSide)*2;
						if (pixRadiusActual > 100) {
							pixRadiusActual = 100;
						}
					}
					if (pixRadiusActual < 0) {
						pixRadiusActual = 0;
					}
					else {
						if (!exact) {
							pixRadiusActual = pixRadiusActual/100;
						}
					}
					fw.selection[i].roundness = pixRadiusActual;
				}
			}
		}
	}
})()