package spike.com.msiops;

import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.TextArea;
import javafx.scene.input.DragEvent;
import javafx.scene.input.TransferMode;
import javafx.scene.layout.AnchorPane;
import javafx.stage.Stage;

import com.sun.glass.ui.Screen;

public class OutlookDragTarget extends Application {

    public static void main( final String[] args ) {

        launch( args );

    }

    private TextArea logArea;

    @Override
    public void start( final Stage primaryStage ) {

        initControls( );
        final Scene scene = assembleScene( );

        primaryStage.setScene( scene );

        initStage( primaryStage );
        primaryStage.show( );

        scene.getRoot( ).addEventHandler( DragEvent.DRAG_OVER,
                new OverHandler( ) );
        scene.getRoot( ).addEventHandler( DragEvent.DRAG_DROPPED,
                new DropHandler( ) );

    }

    private Scene assembleScene() {

        AnchorPane.setTopAnchor( logArea, 0D );
        AnchorPane.setRightAnchor( logArea, 0D );
        AnchorPane.setBottomAnchor( logArea, 0D );
        AnchorPane.setLeftAnchor( logArea, 0D );

        final AnchorPane root = new AnchorPane( );
        root.getChildren( ).setAll( logArea );

        return new Scene( root );

    }

    private void initControls() {

        logArea = new TextArea( );
        logArea.setWrapText( true );
        logArea.setEditable( false );
    }

    private void initStage( final Stage stage ) {

        stage.setX( Screen.getMainScreen( ).getVisibleX( ) + 50D );
        stage.setY( Screen.getMainScreen( ).getVisibleY( ) + 50D );
        stage.setWidth( 400D );
        stage.setHeight( 500D );
    }

    private final class DropHandler implements EventHandler<DragEvent> {

        @Override
        public void handle( final DragEvent evt ) {

            if ( evt.getDragboard( ).hasString( ) ) {

                logArea.setText(

                new StringBuilder( logArea.getText( ) )

                .append( "====== DROPPED ================" )

                .append( "\n" )

                .append( evt.getDragboard( ).getString( ) )

                .append( "\n" )

                .toString( )

                );

                evt.setDropCompleted( true );
                evt.consume( );
            }

        }

    }

    private final class OverHandler implements EventHandler<DragEvent> {

        @Override
        public void handle( final DragEvent evt ) {

            if ( evt.getDragboard( ).hasString( ) ) {
                evt.acceptTransferModes( TransferMode.COPY );
                evt.consume( );
            }

        }

    }

}