root/trunk/as3/com/jeroenwijering/utils/Stacker.as @ 4

/**
* Parses children of a MovieClip and docks them to the left & right.
**/


package com.jeroenwijering.utils {


import flash.display.MovieClip;


public class Stacker {


        /** Reference to the clip to stack. **/
        public var clip:MovieClip;
        /** SWF skin loader reference **/
        private var stack:Array;
        /** Original width of the clip. **/
        private var _width:Number;
        /** Latest width of the clip. **/
        private var latest:Number;


        /**
        * Constructor.
        *
        * @param skn    The MovieClip to manage stacking of.
        **/
        public function Stacker(clp:MovieClip) {
                clip = clp;
                analyze();
        };


        /** Analyze the MovieClip and save its children.  **/
        private function analyze() {
                _width = clip.width;
                stack = new Array();
                for(var i=0; i<clip.numChildren; i++) {
                        var clp = clip.getChildAt(i);
                        stack.push({c:clp,x:clp.x,n:clp.name,w:clp.width});
                }
                stack.sortOn(['x','n'],[Array.NUMERIC,Array.CASEINSENSITIVE]);
        };


        /** Check if an child overlaps with others. **/
        private function overlaps() { 
                // working on this...
        };


        /** 
        * Rearrange the contents of the clip. 
        *
        * @param wid    The target width of the clip.
        **/
        public function rearrange(wid:Number=undefined) { 
                if(wid) { latest = wid; }
                var rdf = latest-width;
                var ldf = 0;
                for(var i=0; i<stack.length; i++) {
                        if(stack[i].x > stack[0].w/2) { 
                                stack[i].c.x = stack[i].x + rdf;
                        } else {
                                stack[i].c.x = stack[i].x+ldf;
                        }
                        if(stack[i].w > width/3) {
                                stack[i].c.width = stack[i].w+rdf+ldf;
                        }
                }
        };


        /** Getter for the original width of the MC. **/
        public function get width():Number { 
                return _width;
        };


}


}