Java Code Examples for java.awt.dnd.DragGestureEvent#getComponent()

The following examples show how to use java.awt.dnd.DragGestureEvent#getComponent() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DefaultTransferHandler.java    From freecol with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * {@inheritDoc}
 */
public void dragGestureRecognized(DragGestureEvent dge) {
    JComponent c = (JComponent)dge.getComponent();
    DefaultTransferHandler th
        = (DefaultTransferHandler)c.getTransferHandler();
    Transferable t = th.createTransferable(c);
    if (t == null) {
        logger.warning("Unable to create transferable for: " + dge);
        th.exportDone(c, null, NONE);
        return;
    }

    this.scrolls = c.getAutoscrolls();
    c.setAutoscrolls(false);
    try {
        Cursor cursor = getCursor(c);
        dge.startDrag(cursor, t, this);
    } catch (RuntimeException re) {
        c.setAutoscrolls(this.scrolls);
    }
}
Example 2
Source File: CustomizedToolbar.java    From pumpernickel with MIT License 6 votes vote down vote up 
public void dragGestureRecognized(DragGestureEvent dge) {
	Point p = dge.getDragOrigin();
	Component c = dge.getComponent();
	JFrame f = (JFrame) SwingUtilities.getWindowAncestor(c);
	p = SwingUtilities.convertPoint(c, p, f);

	for (int a = 0; a < componentList.length; a++) {
		if (triggerDrag(f, p, dge, componentList[a]))
			return;
	}
	// double-check for separators & gaps:
	for (int a = 0; a < getComponentCount(); a++) {
		if (triggerDrag(f, p, dge, (JComponent) getComponent(a)))
			return;
	}

}
Example 3
Source File: CustomizedToolbarOptions.java    From pumpernickel with MIT License 6 votes vote down vote up 
public void dragGestureRecognized(DragGestureEvent dge) {

			Point p = dge.getDragOrigin();
			MockComponent mc = (MockComponent) dge.getComponent();
			Transferable transferable = new MockComponentTransferable(mc);
			BufferedImage bi = mc.getBufferedImage();
			if (mc instanceof MockDefaultToolbar) {
				toolbar.draggingComponent = "";
			} else if (mc.getName().equals("-")) {
				toolbar.draggingComponent = toolbar.getNewSeparatorName();
			} else if (mc.getName().equals(" ")) {
				toolbar.draggingComponent = toolbar.getNewSpaceName();
			} else if (mc.getName().equals("\t")) {
				toolbar.draggingComponent = toolbar.getNewFlexibleSpaceName();
			} else {
				toolbar.draggingComponent = mc.getName();
			}
			toolbar.draggingDefaults = (mc instanceof MockDefaultToolbar);
			toolbar.draggingFromToolbar = false;
			dge.startDrag(DragSource.DefaultMoveDrop, bi,
					new Point(-p.x, -p.y), transferable, dragSourceListener);
		}
Example 4
Source File: DnDSupport.java    From netbeans with Apache License 2.0 5 votes vote down vote up 
public void dragGestureRecognized( DragGestureEvent dge ) {
    Transferable t = null;
    
    if( dge.getComponent() instanceof CategoryButton ) {
        //trying to drag a palette category
        CategoryButton button = (CategoryButton)dge.getComponent();
        draggingCategory = button.getCategory();
        t = draggingCategory.getTransferable();
        
    } else if( dge.getComponent() instanceof CategoryList ) {
        //trying to drag a palette item
        CategoryList list = (CategoryList)dge.getComponent();
        int selIndex = list.locationToIndex( dge.getDragOrigin() );
        draggingItem = list.getItemAt( selIndex );
        if( null == draggingItem ) {
            return;
        }
        t = draggingItem.drag();
        dragSourceCategoryList = list;
    }
    if( null != t ) {
        dge.getDragSource().addDragSourceListener( getDragSourceListener() );
        try {
            dge.startDrag( null, t );
        } catch( InvalidDnDOperationException idndE ) {
            //attempt to fix #110670
            try {
                dge.startDrag( null, t );
            } catch( InvalidDnDOperationException e ) {
                ERR.log( Level.INFO, idndE.getMessage(), e );
            }
        }
    }
}
Example 5
Source File: DnDTree.java    From netbeans-mmd-plugin with Apache License 2.0 5 votes vote down vote up 
@Override
public void dragGestureRecognized(@Nonnull final DragGestureEvent dragGestureEvent) {
  final JTree tree = (JTree) dragGestureEvent.getComponent();
  final TreePath path = tree.getSelectionPath();
  if (path != null) {
    final Object selection = path.getLastPathComponent();
    if (selection instanceof NodeFileOrFolder) {
      FileTransferable node = new FileTransferable(Arrays.asList(((NodeFileOrFolder) selection).makeFileForNode()));
      dragGestureEvent.startDrag(DragSource.DefaultCopyDrop, node, this);
    }
  }
}
Example 6
Source File: DnDSupport.java    From netbeans with Apache License 2.0 4 votes vote down vote up 
public void dragGestureRecognized(DragGestureEvent e) {
    Component c = e.getComponent();
    if( !(c instanceof JComponent) )
        return;

    Transferable t = null;
    try {
        final DataObject dob = (DataObject) ((JComponent) c).getClientProperty("file");
        if( dob != null && c.getParent() instanceof Toolbar && buttonDndAllowed ) {
            //dragging a toolbar button
            sourceToolbar = (Toolbar) c.getParent();
            t = new ExTransferable.Single(buttonDataFlavor) {
                public Object getData() {
                    return dob;
                }
            };
            isToolbarDrag = false;
            isButtonDrag = true;
            dragSourceButtonIndex = sourceToolbar.getComponentIndex(c);
        } else if( Boolean.TRUE.equals( ((JComponent) c).getClientProperty(ToolbarContainer.PROP_DRAGGER) ) ) {
            //dragging the whole toolbar
            final ToolbarContainer container = (ToolbarContainer) c.getParent().getParent();
            if( container.isShowing() ) {
                sourceContainer = container;
                sourceRow = (ToolbarRow) container.getParent();
                t = new ExTransferable.Single(toolbarDataFlavor) {

                    public Object getData() {
                        return container;
                    }
                };
                isToolbarDrag = true;
                isButtonDrag = false;
                startingPoint = new Point(e.getDragOrigin());
                Rectangle bounds = new Rectangle(sourceContainer.getPreferredSize());
                bounds.setLocation(sourceContainer.getLocationOnScreen());
                dragImage = createContentImage(sourceContainer, bounds.getSize());
                sourceRow.dragStarted( sourceContainer );
                dragWindow = createDragWindow( dragImage, bounds );
            }
        }
        if( c instanceof JButton ) {
            ((JButton) c).getModel().setArmed(false);
            ((JButton) c).getModel().setPressed(false);
            ((JButton) c).getModel().setRollover(true);
        }
        if( t != null ) {
            e.startDrag(dragMoveCursor, t, this);
        }
    } catch( InvalidDnDOperationException idoE ) {
        log.log(Level.INFO, null, idoE);
    }
}