toolbartab.java

The ElectricTM VLSI Design System is an open-source Electronic Design Automation (EDA) system that c

			/**
			 * Method to get the name of the button that is being dragged.
			 * @param tra the Transferable with this information.
			 * @param flavors an array of flavors of the dragged information.
			 * @return the name of the button that is being dragged (null on error).
			 */
			private String getDraggedObject(Transferable tra, DataFlavor [] flavors)
			{
				if (flavors.length <= 0) return null;

				// text dragging is name of button
				if (flavors[0].isFlavorTextType())
				{
					Object obj = null;
					try
					{
						obj = tra.getTransferData(flavors[0]);
					} catch (Exception ex) {}
					if (obj instanceof String)
					{
						String buttonName = (String)obj;
						if (buttonName.startsWith("TOOLBARBUTTON ")) return buttonName.substring(14);
					}
				}
				return null;
			}

			private void eraseDragImage(DropTarget dt)
			{
				if (lastButtonDrawn == null) return;
				Rectangle pathBounds = new Rectangle(0, 0, lastButtonDrawn.getWidth(), lastButtonDrawn.getHeight());
				lastButtonDrawn.paintImmediately(pathBounds);
				lastButtonDrawn = null;
			}
		}
	}

	/**
	 * Class to start a drag of the separator icon.
	 */
	private class SeparatorDrag implements DragSourceListener, DragGestureListener
	{
		/**
		 * Method to start a drag from the separator icon.
		 */
		public void dragGestureRecognized(DragGestureEvent e)
		{
			Transferable transferable = new StringSelection("TOOLBARBUTTON SEPARATOR");
			e.startDrag(null, separatorIcon.getImage(), new Point(0, 0), transferable, this);
		}

		public void dragEnter(DragSourceDragEvent e) {}
		public void dragOver(DragSourceDragEvent e) {}
		public void dragExit(DragSourceEvent e) {}
		public void dragDropEnd(DragSourceDropEvent e) {}
		public void dropActionChanged (DragSourceDragEvent e) {}
	}

	/**
	 * Class for catching drags onto the trash.
	 * These drags come from elsewhere in the toolbar (for rearrangement).
	 */
	private class TrashDropTarget implements DropTargetListener
	{
		private boolean trashHighlighted = false;

		public void dragEnter(DropTargetDragEvent e)
		{
			dragAction(e);
		}

		public void dragOver(DropTargetDragEvent e)
		{
			if (dragAction(e)) return;

			DropTarget dt = (DropTarget)e.getSource();
			if (dt.getComponent() == trashLabel)
			{
				// erase former highlighting
				eraseDragImage(dt);

				// highlight what the drag is over
				Graphics2D g2 = (Graphics2D)trashLabel.getGraphics();
				g2.setColor(Color.RED);
				g2.drawRect(0, 0, trashLabel.getWidth()-1, trashLabel.getHeight()-1);
				trashHighlighted = true;
			}
		}

		public void dropActionChanged(DropTargetDragEvent e)
		{
			dragAction(e);
		}

		public void dragExit(DropTargetEvent e)
		{
			eraseDragImage((DropTarget)e.getSource());
		}

		public void drop(DropTargetDropEvent dtde)
		{
			dtde.acceptDrop(DnDConstants.ACTION_MOVE);

			// erase former highlighting
			eraseDragImage((DropTarget)dtde.getSource());

			// get the files that were dragged
			String droppedButton = getDraggedObject(dtde.getTransferable(), dtde.getCurrentDataFlavors());
			if (droppedButton != null)
			{
				// see what the drop is over
				DropTarget dt = (DropTarget)dtde.getSource();
				Component but = dt.getComponent();
				if (but != null)
				{
					dropButton(droppedButton);
					dtde.dropComplete(true);
					return;
				}
			}
			dtde.dropComplete(false);
		}

		/**
		 * Method to analyze the drag.
		 * @param e
		 * @return true if the drag is to be rejected.
		 */
		private boolean dragAction(DropTargetDragEvent e)
		{
			String droppedButton = getDraggedObject(e.getTransferable(), e.getCurrentDataFlavors());
			if (droppedButton != null)
			{
				e.acceptDrag(e.getDropAction());
				return false;
			}
			e.rejectDrag();
			return true;
		}

		/**
		 * Method to get the name of the button that is being dragged.
		 * @param tra the Transferable with this information.
		 * @param flavors an array of flavors of the dragged information.
		 * @return the name of the button that is being dragged (null on error).
		 */
		private String getDraggedObject(Transferable tra, DataFlavor [] flavors)
		{
			if (flavors.length <= 0) return null;

			// text dragging is name of button
			if (flavors[0].isFlavorTextType())
			{
				Object obj = null;
				try
				{
					obj = tra.getTransferData(flavors[0]);
				} catch (Exception ex) {}
				if (obj instanceof String)
				{
					String buttonName = (String)obj;
					if (buttonName.startsWith("TOOLBARBUTTON #"))
					{
						String bn = buttonName.substring(14);
						return bn;
					}
				}
			}
			return null;
		}

		private void eraseDragImage(DropTarget dt)
		{
			if (!trashHighlighted) return;
			Rectangle pathBounds = new Rectangle(0, 0, trashLabel.getWidth(), trashLabel.getHeight());
			trashLabel.paintImmediately(pathBounds);
			trashHighlighted = false;
		}
	}

	/** This method is called from within the constructor to
	 * initialize the form.
	 * WARNING: Do NOT modify this code. The content of this method is
	 * always regenerated by the Form Editor.
	 */
    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
    private void initComponents() {
        java.awt.GridBagConstraints gridBagConstraints;

        toolbar = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        currentToolbar = new javax.swing.JPanel();
        commandsPane = new javax.swing.JScrollPane();
        trashLabel = new javax.swing.JLabel();
        separatorLabel = new javax.swing.JLabel();
        attachImage = new javax.swing.JButton();

        getContentPane().setLayout(new java.awt.GridBagLayout());

        setTitle("Edit Options");
        setName("");
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                closeDialog(evt);
            }
        });

        toolbar.setLayout(new java.awt.GridBagLayout());

        jLabel1.setText("To add commands, drag them from the \"Commands\" to the \"Toolbar\".");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(2, 4, 2, 4);
        toolbar.add(jLabel1, gridBagConstraints);

        jLabel2.setText("To remove commands, drag them from the \"Toolbar\" to the trash.");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(2, 4, 2, 4);
        toolbar.add(jLabel2, gridBagConstraints);

        jLabel3.setText("To rearrange icons, drag them around the \"Toolbar\".");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 4;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(2, 4, 2, 4);
        toolbar.add(jLabel3, gridBagConstraints);

        jLabel4.setText("To add separators, drag the \"Sep\" icon to the \"Toolbar\".");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 3;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(2, 4, 2, 4);
        toolbar.add(jLabel4, gridBagConstraints);

        currentToolbar.setBorder(javax.swing.BorderFactory.createTitledBorder("Toolbar:"));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.gridwidth = 3;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        toolbar.add(currentToolbar, gridBagConstraints);

        commandsPane.setBorder(javax.swing.BorderFactory.createTitledBorder("Commands:"));
        commandsPane.setMinimumSize(new java.awt.Dimension(32, 150));
        commandsPane.setPreferredSize(new java.awt.Dimension(32, 150));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 5;
        gridBagConstraints.gridwidth = 3;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        toolbar.add(commandsPane, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.gridheight = 4;
        gridBagConstraints.insets = new java.awt.Insets(4, 20, 4, 10);
        toolbar.add(trashLabel, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.gridheight = 4;
        gridBagConstraints.insets = new java.awt.Insets(4, 10, 4, 20);
        toolbar.add(separatorLabel, gridBagConstraints);

        attachImage.setText("Attach Image to Command...");
        attachImage.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                attachImageActionPerformed(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 6;
        gridBagConstraints.gridwidth = 3;
        gridBagConstraints.insets = new java.awt.Insets(2, 2, 2, 8);
        toolbar.add(attachImage, gridBagConstraints);

        getContentPane().add(toolbar, new java.awt.GridBagConstraints());

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void attachImageActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_attachImageActionPerformed
    	attachImageToCommand();
    }//GEN-LAST:event_attachImageActionPerformed

	/** Closes the dialog */
	private void closeDialog(java.awt.event.WindowEvent evt)//GEN-FIRST:event_closeDialog
	{
		setVisible(false);
		dispose();
	}//GEN-LAST:event_closeDialog

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton attachImage;
    private javax.swing.JScrollPane commandsPane;
    private javax.swing.JPanel currentToolbar;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel separatorLabel;
    private javax.swing.JPanel toolbar;
    private javax.swing.JLabel trashLabel;
    // End of variables declaration//GEN-END:variables

}