rtextfilechooseroptionpanel.java

具有不同语法高亮的编辑器实例

/*****************************************************************************/


	/**
	 * Initializes the macro list.
	 *
	 * @param fileChooser The file chooser whose properties you want to use to
	 *                    initialize this options panel.
	 * @see #configureFileChooser
	 */
	public void initialize(RTextFileChooser fileChooser) {
		boolean showHiddenFiles = fileChooser.getShowHiddenFiles();
		hiddenFilesCheckBox.setSelected(showHiddenFiles);
		hiddenColorButton.setColor(fileChooser.getHiddenFileColor());
		hiddenColorButton.setEnabled(showHiddenFiles);
		autoCompleteCheckBox.setSelected(fileChooser.getFileSystemAware());
		colorTableModel.initCustomColorTable(fileChooser);
	}


/*****************************************************************************/


	/**
	 * Called whenever the extension/color mapping table is changed.
	 *
	 * @param e An event describing the change.
	 */
	public void modifiableTableChanged(ModifiableTableChangeEvent e) {
		hasUnsavedChanges = true;
		firePropertyChange(COLOR_CHANGED_PROPERTY, null,
						new Integer(e.getRow()));
	}


/*****************************************************************************/
/********************** PRIVATE INNER CLASSES ********************************/
/*****************************************************************************/


	/**
	 * The dialog that allows the user to add or modify an extension/color
	 * mapping.
	 */
	static class ExtensionColorMappingDialog extends JDialog
			implements ActionListener, ChangeListener, DocumentListener {

		/**
		 * 
		 */
		private static final long serialVersionUID = 4302662701802847367L;

		static final int OK		= 0;
		static final int CANCEL	= 1;

		private JTextField extensionField;
		private JColorChooser colorChooser;
		private JButton okButton;
		private JButton cancelButton;
		private int rc;

		public ExtensionColorMappingDialog(JDialog owner) {

			super(owner);
			ResourceBundle msg = ResourceBundle.
									getBundle(MAPPING_DIALOG_BUNDLE);
			JPanel contentPane = new JPanel(new BorderLayout());
			contentPane.setBorder(UIUtilities.getEmpty5Border());

			// Panel containing main stuff.
			JPanel topPanel = new JPanel();
			topPanel.setLayout(new BoxLayout(topPanel, BoxLayout.Y_AXIS));
			JPanel temp = new JPanel(new BorderLayout());
			temp.setBorder(BorderFactory.createEmptyBorder(0,0,5,0));
			JLabel label = RUtilities.createLabel(msg,
								"Extension.Text", "Extension.Mnemonic");
			JPanel temp2 = new JPanel(new BorderLayout());
			temp2.setBorder(BorderFactory.createEmptyBorder(0,0,0,5));
			temp2.add(label);
			temp.add(temp2, BorderLayout.WEST);
			extensionField = new JTextField();
			extensionField.getDocument().addDocumentListener(this);
			label.setLabelFor(extensionField);
			temp.add(extensionField);
			topPanel.add(temp);
			colorChooser = new JColorChooser();
			colorChooser.getSelectionModel().addChangeListener(this);
			topPanel.add(colorChooser);
			contentPane.add(topPanel, BorderLayout.NORTH);

			// Panel containing buttons for the bottom.
			JPanel buttonPanel = new JPanel();
			buttonPanel.setBorder(BorderFactory.createEmptyBorder(5,5,0,5));
			temp = new JPanel(new GridLayout(1,2, 5,5));
			okButton = RUtilities.createRButton(msg,
								"OK.Text", "OK.Mnemonic");
			okButton.addActionListener(this);
			temp.add(okButton);
			cancelButton = RUtilities.createRButton(msg,
								"Cancel.Text", "Cancel.Mnemonic");
			cancelButton.addActionListener(this);
			temp.add(cancelButton);
			buttonPanel.add(temp);
			contentPane.add(buttonPanel, BorderLayout.SOUTH);

			// Get ready to go.
			setTitle(msg.getString("Title"));
			setContentPane(contentPane);
			getRootPane().setDefaultButton(okButton);
			setModal(true);
			pack();

		}

		public void actionPerformed(ActionEvent e) {
			Object source = e.getSource();
			if (source==okButton)
				rc = OK;
			setVisible(false);
		}

		public void changedUpdate(DocumentEvent e) {
		}

		public Color getColor() {
			return colorChooser.getColor();
		}

		public String getExtension() {
			return extensionField.getText();
		}

		public void insertUpdate(DocumentEvent e) {
			okButton.setEnabled(true);
		}

		public void removeUpdate(DocumentEvent e) {
			okButton.setEnabled(extensionField.getDocument().getLength()>0);
		}

		public void setData(String extension, Color color) {
			extensionField.setText(extension);
			colorChooser.setColor(color);
		}

		public void setVisible(boolean visible) {
			if (visible) {
				String extension = extensionField.getText();
				extensionField.setEnabled(
							!extension.equals(defaultColorString));
			}
			super.setVisible(visible);
		}

		public int showMappingDialog() {
			rc = CANCEL; // Set here in case they "X" the dialog out.
			SwingUtilities.invokeLater(new Runnable() {
				public void run() {
					extensionField.requestFocusInWindow();
					extensionField.selectAll();
				}
			});
			setLocationRelativeTo(getOwner());
			okButton.setEnabled(false);
			setVisible(true);
			return rc;
		}

		public void stateChanged(ChangeEvent e) {
			// Ensure the document has text in it.
			okButton.setEnabled(extensionField.getDocument().getLength()>0);
		}

	}


/*****************************************************************************/


	/**
	 * The table model used by the custom colors table.
	 */
	private class ColorTableModel extends DefaultTableModel {

		/**
		 * 
		 */
		private static final long serialVersionUID = -2086537690424048621L;

		private String[] columnNames;

		public ColorTableModel(String extensionHeader, String colorHeader) {
			super();
			columnNames = new String[2];
			columnNames[0] = extensionHeader;
			columnNames[1] = colorHeader;
		}

		public int getColumnCount() {
			return columnNames.length;
		}

		public String getColumnName(int column) {
			return columnNames[column];
		}

		public void initCustomColorTable(RTextFileChooser chooser) {
			setRowCount(0);
			Vector v = new Vector(2);
			v.add(defaultColorString);
			v.add(chooser.getDefaultFileColor());
			addRow(v);
			HashMap map = chooser.getCustomColorsMap();
			Set keySet = map.keySet();
			if (keySet!=null) {
				for (Iterator it=keySet.iterator(); it.hasNext(); ) {
					// DefaultTableModel uses Vectors internally.
					v = new Vector(2);
					String extension = (String)it.next();
					Color c = (Color)map.get(extension);
					v.add(extension);
					v.add(c);
					addRow(v);
				}
			}
		}

		public boolean isCellEditable(int row, int column) {
			return false;
		}

	}


/*****************************************************************************/


	/**
	 * Handles the addition, removal, and modifying of rows in the color
	 * table.
	 */
	class FileChooserRowHandler implements RowHandler {

		private ExtensionColorMappingDialog dialog;

		public Object[] getNewRowInfo(Object[] oldData) {
			if (dialog==null)
				dialog = new ExtensionColorMappingDialog(getOptionsDialog());
			if (oldData==null)
				dialog.setData(null, null);
			else
				dialog.setData((String)oldData[0], (Color)oldData[1]);
			int rc = dialog.showMappingDialog();
			if (rc==ExtensionColorMappingDialog.OK) {
				return new Object[] { dialog.getExtension(),
									dialog.getColor() };
			}
			return null;
		}

		public boolean shouldRemoveRow(int row) {
			// Row 0 is always "<Defualt>," which the user cannot remove.
			return row>0;
		}

	}


/*****************************************************************************/

}