[flexcoders] pop ups again

[Roman Protsiuk]

Hi, everyone.

I've modified my previous example (if anyone saw it). Now I'm using
following approach to handle pop ups:

The pop up itself PopUpWindow.mxml:

<?xml version="1.0" encoding="utf-8"?>
<mx:TitleWindow xmlns:mx="http://www.adobe.com/2006/mxml";
        layout="vertical"
        horizontalAlign="center"
        width="400"
        height="300"
        implements="mx.managers.IFocusManagerComponent"
        title="TESTING"
        defaultButton="{mainButton}"
        creationComplete="onCreationComplete()"
        show="onShow()">
        
        <mx:Box height="100%" minHeight="0" width="100%">
                <mx:Text id="traceText" text="show captured (not 
creationComplete):" />
        </mx:Box>
        
        <mx:Canvas width="100%">
                <mx:Label id="total" text="total: none" left="10" />
                <mx:Button id="mainButton"
                        horizontalCenter="0"
                        bottom="10"
                        label="close me"
                        click="onMainButtonClick()" />
        </mx:Canvas>
        
        <mx:Script>
                <![CDATA[
                        import mx.core.Application;
                        import mx.managers.PopUpManager;
                        import mx.managers.PopUpManagerChildList;
                        
                        private static var _popUp : PopUpWindow;
                        
                        private static var _totalCounter : Number = 0;
                        
                        private static var _showCounter : Number = 0;
                        
                        public var modal : Boolean;
                        
                        public static function showPopUp(parent : DisplayObject 
= null,
modal : Boolean = true) : PopUpWindow {
                                var popUpParent : DisplayObject = (parent != 
null ? parent :
                                        DisplayObject(Application.application));
                                
                                if (_popUp == null) {
                                        _popUp = 
PopUpWindow(PopUpManager.createPopUp(popUpParent,
PopUpWindow, modal, PopUpManagerChildList.APPLICATION));
                                } else {
                                        if (!_popUp.isPopUp) {
                                                _popUp.modal = modal;
                                                _popUp.traceText.htmlText += 
(++_totalCounter).toString() + ") "
+ " modality: " + modal.toString() + ". ";
                                                
                                                PopUpManager.addPopUp(_popUp, 
popUpParent, modal,
PopUpManagerChildList.APPLICATION);
                                        }
                                }
                                
                                PopUpManager.centerPopUp(_popUp);
                                
                                return _popUp;
                        }
                        
                        protected function hidePopUp() : void {
                                if (isPopUp) {
                                        PopUpManager.removePopUp(this);
                                }
                        }
                        
                        protected function onCreationComplete() : void {
                                mainButton.setFocus();
                        }
                        
                        protected function onShow() : void {
                                mainButton.setFocus();
                                
                                traceText.htmlText += 
(++_showCounter).toString() + " time" +
(_showCounter == 1 ? "" : "s");
                                total.text = "total: " + 
_showCounter.toString();
                        }
                        
                        protected override function focusOutHandler(event : 
FocusEvent) : void {
                                if (event.relatedObject == null || 
!contains(event.relatedObject)) {
                                        hidePopUp();
                                }
                                super.focusOutHandler(event);
                        }
                        
                        private function onMainButtonClick() : void {
                                hidePopUp();
                                dispatchEvent(new Event(Event.CLOSE));
                        }
                        
                ]]>
        </mx:Script>
        
</mx:TitleWindow>


Application popUpSample.mxml:

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml";
        layout="absolute">
        
        <mx:CheckBox id="modal" label="modal?" horizontalCenter="0"
verticalCenter="-30" />
        
        <mx:Button id="clickButton"
                horizontalCenter="0"
                verticalCenter="0"
                label="click me"
                click="onButtonClick()" />
        
        <mx:Script>
                <![CDATA[
                        private function onButtonClick() : void {
                                PopUpWindow.showPopUp(null, modal.selected);
                        }
                ]]>
        </mx:Script>
        
</mx:Application>


The problem here consist in show event which should be dispatched when
component visibility is changed to true as I understand.
The bad thing is this pop up dispatches show event ONLY while it is
NOT MODAL. If I say 'let's make it modal', show event isn't
dispatched. Confusing. At least as for me.

Can anybody explain this behavior? Or say it's not right?

Thanks,
R.