Example with AsWing component
* {@code
* var modal : ModalScreen = new ModalScreen();
* var frame : JFrame = new JFrame( _modal.getModalTarget(), "Dialog", true );
* }
*
* @see fever.display.ScreenShot
*
* @author Romain Ecarnot
*/
class fever.display.ModalScreen
{
//-------------------------------------------------------------------------
// Private properties
//-------------------------------------------------------------------------
private var _container : MovieClip;
private var _topContainer : MovieClip;
private var _shoot : ScreenShot;
private var _shootContainer : MovieClip;
private var _fillClip : MovieClip;
private var _color : Number;
private var _alpha : Number;
private var _shotEnabled : Boolean;
private var _isShown : Boolean;
private var _blurFilter : BlurFilter;
private var _blurEffect : Boolean;
//-------------------------------------------------------------------------
// Public Properties
//-------------------------------------------------------------------------
/** Default color used to fill the screen. */
public static var MODAL_COLOR : Number = 0x000000;
/** Default alpha value of the screen clip. */
public static var MODAL_ALPHA : Number = 10;
/**
* Indicates if a blur effect is apply on screen.s
*/
public function get enableBlurEffect() { return _blurEffect; }
public function set enableBlurEffect( b : Boolean ) : Void
{
if( b != undefined && ( b != _blurEffect ) )
{
_blurEffect = b;
if( !_blurEffect )
{
_shotEnabled = false;
_shoot.dispose();
FilterBuilder.removeFilter( _shootContainer, _blurFilter );
}
else
{
_shotEnabled = true;
_blurFilter = FilterBuilder.setBlur( _shootContainer );
}
if( isShown() ) update();
}
}
/**
* Indicates if modal use a screen snapshot as background.
* Default is {@code false}
*/
public function get enableScreenshot() : Boolean { return _shotEnabled; }
public function set enableScreenshot( b : Boolean ) : Void
{
if( b != _shotEnabled )
{
_shotEnabled = b;
if( isShown() ) update();
}
}
//-------------------------------------------------------------------------
// Public API
//-------------------------------------------------------------------------
/**
* Constructor.
*
* @param color Fill color of the screen
* @param alpha Alpha value of the screen
*/
public function ModalScreen( color : Number, alpha : Number )
{
_container = Fever.stage.createOverlayTarget();
_topContainer = Fever.stage.createOverlayTarget();
_container.onRelease = function(){};
_container.useHandCursor = false;
_shootContainer = _container.createEmptyMovieClip( '__shot__', 1 );
_fillClip = _container.createEmptyMovieClip( '__drawer__', 2 );
_blurEffect = false;
hide();
_color = ( color != undefined ) ? color : MODAL_COLOR;
_alpha = ( alpha != undefined ) ? alpha : MODAL_ALPHA;
_shoot = new ScreenShot();
_shotEnabled = false;
}
/**
* Returns MovieClip available target to use with this modal screen.
*/
public function getModalTarget() : MovieClip
{
return _topContainer;
}
/**
* Returns attached {@link fever.display.ScreenShot} instance.
*/
public function getScreenShot() : ScreenShot
{
return _shoot;
}
/**
* Defines background color.
*/
public function setColor( color : Number ) : Void
{
if( color != undefined && color != _color ) _color = color;
}
/**
* Returns background color.
*/
public function getColor() : Number
{
return _color;
}
/**
* Defines background alpha value.
*/
public function setAlpha( alpha : Number ) : Void
{
if( alpha != undefined && alpha != _alpha ) _alpha = alpha;
}
/**
* Returns background alpha value.
*/
public function getAlpha() : Number
{
return _alpha;
}
/**
* Show screen.
*
*
Screen layer is automatically put on top of the 'overlay' layers */ public function show() : Void { Stage.addListener( this ); update(); _putOnTopLayer(); _container._visible = true; _isShown = true; } /** * Hides screen. */ public function hide() : Void { Stage.removeListener( this ); _container._visible = false; _shoot.dispose(); _isShown = false; } /** * Indicates if screen is currently visible. */ public function isShown() : Boolean { return _isShown; } /** * Disposes all screen content. */ public function dispose() : Void { hide(); _shoot.dispose(); _shootContainer.removeMovieClip(); _fillClip.clear(); _container.removeMovieClip(); } /** * Updates screen */ public function update() : Void { onResize(); } /** * Returns string representation. */ public function toString() : String { return Stringifier.parse( this ); } //------------------------------------------------------------------------- // Private implementation //------------------------------------------------------------------------- private function onResize() : Void { if( _shotEnabled ) { _shoot.update(); _shootContainer.attachBitmap( _shoot.getData(),1 ); if( _blurEffect ) _blurFilter = FilterBuilder.setBlur( _shootContainer ); } _fillClip.clear(); _fillClip.beginFill( _color, _alpha ); _fillClip.moveTo( 0, 0 ); _fillClip.lineTo( Stage.width, 0 ); _fillClip.lineTo( Stage.width, Stage.height ); _fillClip.lineTo( 0, Stage.height ); _fillClip.lineTo( 0, 0 ); } private function _putOnTopLayer() : Void { var parent : MovieClip = _container._parent; var depth : Number = parent.getNextHighestDepth(); _container.swapDepths( depth ); _topContainer.swapDepths( depth + 1 ); } }