| /* |
| * Copyright 1999,2004 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.log4j.chainsaw; |
| |
| import java.awt.BorderLayout; |
| import java.awt.Color; |
| import java.awt.Component; |
| import java.awt.Dimension; |
| import java.awt.event.ActionListener; |
| import java.util.Enumeration; |
| |
| import javax.swing.BorderFactory; |
| import javax.swing.Box; |
| import javax.swing.JButton; |
| import javax.swing.JComponent; |
| import javax.swing.JLabel; |
| import javax.swing.JPanel; |
| import javax.swing.JScrollPane; |
| import javax.swing.JTree; |
| import javax.swing.SwingUtilities; |
| import javax.swing.event.TreeSelectionEvent; |
| import javax.swing.event.TreeSelectionListener; |
| import javax.swing.tree.DefaultMutableTreeNode; |
| import javax.swing.tree.DefaultTreeCellRenderer; |
| import javax.swing.tree.DefaultTreeSelectionModel; |
| import javax.swing.tree.TreeModel; |
| import javax.swing.tree.TreePath; |
| import javax.swing.tree.TreeSelectionModel; |
| |
| import org.apache.log4j.chainsaw.icons.ChainsawIcons; |
| /** |
| * Some basic plumbing for Preference related dialogs. |
| * |
| * Sub classes have the following responsibilities: |
| * |
| * <ul> |
| * <li>Must call this this classes initComponents() method from |
| * within the sub-classes constructor, this method laysout the |
| * panel and calls the abstract createTreeModel method to initialise the |
| * tree of Panels. |
| * <li>Must override createTreeModel() method to return a TreeModel whose |
| * TreeNodes getUserObject() method will return a JComponent that is displayed |
| * as the selected editable Preference panel. This JComponent's .toString() method is |
| * used as the title of the preference panel |
| * </ul> |
| * |
| * @author Paul Smith <psmith@apache.org> |
| * |
| */ |
| public abstract class AbstractPreferencePanel extends JPanel |
| { |
| |
| private final JLabel titleLabel = new JLabel("Selected Pref Panel"); |
| private final JPanel mainPanel = new JPanel(new BorderLayout(10, 10)); |
| private final JPanel selectedPrefPanel = new JPanel(new BorderLayout(0, 3)); |
| private final JButton okButton = new JButton("OK"); |
| private final JButton cancelButton = new JButton("Cancel"); |
| private ActionListener okCancelListener; |
| private Component currentlyDisplayedPanel = null; |
| private final JTree prefTree = new JTree(); |
| /** |
| * Setup and layout for the components |
| */ |
| protected void initComponents() |
| { |
| // setBorder(BorderFactory.createLineBorder(Color.red)); |
| setLayout(new BorderLayout(5, 5)); |
| setBorder(BorderFactory.createEmptyBorder(15, 15, 15, 15)); |
| |
| prefTree.setModel(createTreeModel()); |
| |
| prefTree.setRootVisible(false); |
| |
| DefaultTreeCellRenderer renderer = new DefaultTreeCellRenderer(); |
| renderer.setLeafIcon(ChainsawIcons.ICON_PREFERENCES); |
| prefTree.setCellRenderer(renderer); |
| |
| final JScrollPane treeScroll = new JScrollPane(prefTree); |
| |
| treeScroll.setPreferredSize(new Dimension(200, 240)); |
| |
| titleLabel.setFont(titleLabel.getFont().deriveFont(16.0f)); |
| titleLabel.setBorder(BorderFactory.createEtchedBorder()); |
| titleLabel.setBackground(Color.white); |
| titleLabel.setOpaque(true); |
| |
| selectedPrefPanel.add(titleLabel, BorderLayout.NORTH); |
| |
| mainPanel.add(treeScroll, BorderLayout.WEST); |
| mainPanel.add(selectedPrefPanel, BorderLayout.CENTER); |
| |
| add(mainPanel, BorderLayout.CENTER); |
| |
| |
| |
| |
| Box buttonBox = Box.createHorizontalBox(); |
| buttonBox.add(Box.createHorizontalGlue()); |
| buttonBox.add(okButton); |
| buttonBox.add(Box.createHorizontalStrut(5)); |
| buttonBox.add(cancelButton); |
| |
| add(buttonBox, BorderLayout.SOUTH); |
| |
| DefaultTreeSelectionModel treeSelectionModel = |
| new DefaultTreeSelectionModel(); |
| treeSelectionModel.setSelectionMode( |
| TreeSelectionModel.SINGLE_TREE_SELECTION); |
| prefTree.setSelectionModel(treeSelectionModel); |
| prefTree.addTreeSelectionListener( |
| new TreeSelectionListener() { |
| public void valueChanged(TreeSelectionEvent e) { |
| TreePath path = e.getNewLeadSelectionPath(); |
| DefaultMutableTreeNode node = |
| (DefaultMutableTreeNode) path.getLastPathComponent(); |
| setDisplayedPrefPanel((JComponent) node.getUserObject()); |
| } |
| }); |
| |
| // ensure the first pref panel is selected and displayed |
| DefaultMutableTreeNode root = |
| (DefaultMutableTreeNode) prefTree.getModel().getRoot(); |
| DefaultMutableTreeNode firstNode = |
| (DefaultMutableTreeNode) root.getFirstChild(); |
| prefTree.setSelectionPath(new TreePath(firstNode.getPath())); |
| } |
| |
| /** |
| * @return tree model |
| */ |
| protected abstract TreeModel createTreeModel(); |
| |
| /** |
| * Ensures a specific panel is displayed in the spot where |
| * preferences can be selected. |
| * |
| * @param panel |
| */ |
| protected void setDisplayedPrefPanel(JComponent panel) |
| { |
| if (currentlyDisplayedPanel != null) { |
| selectedPrefPanel.remove(currentlyDisplayedPanel); |
| } |
| |
| selectedPrefPanel.add(panel, BorderLayout.CENTER); |
| currentlyDisplayedPanel = panel; |
| String title = panel.toString(); |
| titleLabel.setText(title); |
| selectedPrefPanel.revalidate(); |
| selectedPrefPanel.repaint(); |
| } |
| |
| public void notifyOfLookAndFeelChange() { |
| SwingUtilities.updateComponentTreeUI(this); |
| |
| Enumeration enumeration = ((DefaultMutableTreeNode)prefTree.getModel().getRoot()).breadthFirstEnumeration(); |
| while (enumeration.hasMoreElements()) { |
| DefaultMutableTreeNode node = (DefaultMutableTreeNode) enumeration.nextElement(); |
| if (node.getUserObject() instanceof Component) { |
| Component c = (Component) node.getUserObject(); |
| SwingUtilities.updateComponentTreeUI(c); |
| } |
| } |
| } |
| |
| public void setOkCancelActionListener(ActionListener l) |
| { |
| this.okCancelListener = l; |
| } |
| |
| public void hidePanel() |
| { |
| if (okCancelListener != null) { |
| okCancelListener.actionPerformed(null); |
| } |
| } |
| |
| /** |
| * @return Returns the cancelButton. |
| */ |
| protected final JButton getCancelButton() |
| { |
| return cancelButton; |
| } |
| /** |
| * @return Returns the okButton. |
| */ |
| protected final JButton getOkButton() |
| { |
| return okButton; |
| } |
| } |