source: trunk/src/org/expeditee/items/widgets/JavaFXWidget.java@ 1177

package org.expeditee.items.widgets;

import org.expeditee.core.Image;
import org.expeditee.core.bounds.AxisAlignedBoxBounds;
import org.expeditee.gio.EcosystemManager;
import org.expeditee.gio.EcosystemManager.Ecosystem;
import org.expeditee.gio.javafx.JavaFXMiscManager;
import org.expeditee.items.ItemParentStateChangedEvent;
import org.expeditee.items.Text;
import org.expeditee.items.UserAppliedPermission;

import javafx.scene.Group;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.SnapshotParameters;
import javafx.scene.image.WritableImage;

public abstract class JavaFXWidget extends Widget {

        protected Scene _dummyScene;
        protected Node _node;

        protected JavaFXWidget(Text source, Node jfxNode, int minWidth, int maxWidth, int minHeight, int maxHeight) {
                super(source, minWidth, maxWidth, minHeight, maxHeight);
                _node = jfxNode;
                _dummyScene = new Scene(new Group(_node));
                onSizeChanged();
        }
        
        @Override
        protected void addWidgetContent(final ItemParentStateChangedEvent e) {
                if ((e.getEventType() == ItemParentStateChangedEvent.EVENT_TYPE_ADDED_VIA_OVERLAY || e
                                .getEventType() == ItemParentStateChangedEvent.EVENT_TYPE_SHOWN_VIA_OVERLAY)
                                && e.getOverlayLevel().equals(UserAppliedPermission.none)) {
                        return; // item belongs to a non-active overlay
                }
                
                //TODO: Add code here that attaches JavaFX content to the widget.  This was added by Bryce
                //as it was necessary for Swing widgets functionality.
        }
        
        @Override
        protected void addKeyListenerToWidget() {
                // TODO: Add code here that attaches JavaFX key listeners 
                
        }
        
        @Override
        protected void addThisAsContainerListenerToContent() {
                // TODO: Add code here that attaches the equiv of swings Content Listener
                
        }
        
        @Override
        public AxisAlignedBoxBounds getContentBounds() {
                // TODO: Return the bounds of the content that is being drawn.  Potentially different from the bounds of the widget.
                return null;
        }
        
        @Override
        protected void layout() {
                // TODO: Respond to layout
        }
        
        @Override
        protected void onBoundsChanged() {
                // TODO: Respond to widget bounds changing.     
        }

        @Override
        public boolean isSupportedOnEcosystem(Ecosystem type) {
                return type == Ecosystem.JavaFX;
        }

        @Override
        public void paintWidget() {
                SnapshotParameters params = new SnapshotParameters();
                WritableImage snapshot = _node.snapshot(params, null);
                Image image = JavaFXMiscManager.getIfUsingJavaFXImageManager().createImage(snapshot);
                EcosystemManager.getGraphicsManager().drawImage(image, getPosition());
        }

        @Override
        protected void onMoved() {
                // Do nothing
        }

        @Override
        protected void onSizeChanged() {
                _dummyScene.getRoot().resize(getWidth(), getHeight());
                _node.resize(getWidth(), getHeight());
        }
}