Flex: How to resize and move component in runtime?

Question

Please, anyone can guide me how to do this stuff.

I have a pannel and a box, The pannel is my component pannel(inside component pannel is eg. image, TextArea, Video) and Box is my target Box for my component creation. The user can select a component he/she want to create (dynamic creation) and drag it to target Box(drag and drop event). Then after creating the component the user can drag the component that he/she created and place anywhere on target Box and also the user can resize the component that he/she created(runtime resize).

i have this code for drag and drop and it seems this code works only on image

//-----action script-----//
        private function dragIt(event:MouseEvent, value: String, objParent: String, objName: String):void 
        {           
            var dragInitiator:Image = event.currentTarget as Image;    
            var dragSource:DragSource = new DragSource();

            dragSource.addData(value,'value');
            dragSource.addData(objParent, 'parent');
            dragSource.addData(objName, 'objname'); 

            var dragProxy:Image = new Image();
            dragProxy.source = event.currentTarget.source;


            DragManager.doDrag(dragInitiator, dragSource, event, dragProxy);
        }


        private function dragEnterHandler(event:DragEvent):void 
        {
            var dropTarget:Box=event.currentTarget as Box;
            dropTarget.setStyle("borderThickness", 5);
            DragManager.acceptDragDrop(dropTarget);
        }

        private function dragExitHandler(event:DragEvent):void
        {
            var dropTarget:Box=event.currentTarget as Box;                
            revertBoxBorder();                
        }     

        private function revertBoxBorder():void
        {
            targetBox.setStyle("borderThickness", 1);                
        }

        private function dragDropHandler(event:DragEvent):void 
        {
            var value:String = event.dragSource.dataForFormat('value') as String;
            var objParent:String = event.dragSource.dataForFormat('parent') as String;
            if(value == "mp3")
            {
             //do something     
            }
            else if (value == "image")
            {
                if (objParent == "panel")
                {
                    var imgView: Image = new Image;                 
                    imgView.x = event.stageX;
                    imgView.y = event.stageY;

                    addChild(imgView);
                    imgView.name = String(getChildByName(imgView.name).parent.numChildren-1);     
                    imgView.addEventListener(MouseEvent.MOUSE_MOVE,  function(e:MouseEvent):void 
                    {
                    dragIt(e, value, 'box', Image(e.target).name);
                });
                    imgView.source = ImgInsert;
                }
                else
                {
                    var objName:String = event.dragSource.dataForFormat('objname') as String;
                    getChildByName(objName).parent.getChildAt(int(objName)).x = event.stageX;
                    getChildByName(objName).parent.getChildAt(int(objName)).y = event.stageY;
                }

            }
            else if (value == "textarea")
            {
                //do something                  
            }

        }

//-----mxml code------//
<mx:Panel x="0" y="37" width="91" height="417" layout="absolute" title="Component" borderColor="#8DA5AB" color="#345860" borderStyle="outset">
    <mx:Image x="7" y="43" width="21" height="18" source="{TxtAreaInsert}" mouseMove="dragIt(event,'textarea','panel','')"/>
    <mx:Image x="36" y="43" width="21" height="18" source="{ImgInsert}" mouseMove="dragIt(event,'image','panel','')"/>
    <mx:Image x="36" y="80" width="21" height="18" source="{Mp3Insert}" mouseMove="dragIt(event,'mp3','panel','')"/>
    <mx:Image x="7" y="80" width="21" height="18" source="{VdoInsert}" mouseMove="dragIt(event,'video','panel','')"/>
</mx:Panel>
<mx:Box id="targetBox" y="37" width="589" height="417" borderColor="#8CC2E8" backgroundColor="#D5DBEE"
    dragExit="dragExitHandler(event)" dragEnter="dragEnterHandler(event)" dragDrop="dragDropHandler(event)" left="99">
</mx:Box>;

How to move thus non image component like TxtArea? How to resize the component inside target box? (This is like GUI of flex when creating component) Thank you..

Answer 1

check out Rogue-Development.com's Object Handles I've used this with pretty good success for moving / resizing components.

Answer 2

Also try out the Pantaste library which is a lot more sophisticated than Object Handles.

Answer 3

Goto http://sourceforge.net/projects/tcycomponents/
and download package and demo if you want.

Use TcyReziser component for easy moving/resizing like Delphi 2009 does!

Regards, Mauricio