propertieskeyshortcuts.java

eq跨平台查询工具源码 eq跨平台查询工具源码

/*
 * PropertiesKeyShortcuts.java
 *
 * Copyright (C) 2002, 2003, 2004, 2005, 2006 Takis Diakoumis
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */


package org.executequery.gui.prefs;


import java.awt.Container;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import java.util.Vector;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.KeyStroke;
import javax.swing.table.AbstractTableModel;

import org.executequery.Constants;
import org.executequery.GUIUtilities;
import org.underworldlabs.swing.actions.BaseActionCommand;

import org.underworldlabs.swing.actions.ActionBuilder;
import org.executequery.util.SystemResources;
import org.underworldlabs.util.MiscUtils;


/* ----------------------------------------------------------
 * CVS NOTE: Changes to the CVS repository prior to the 
 *           release of version 3.0.0beta1 has meant a 
 *           resetting of CVS revision numbers.
 * ----------------------------------------------------------
 */

/** <p>Query Editor syntax highlighting preferences panel.
 *
 *  @author   Takis Diakoumis
 * @version  $Revision: 1.4 $
 * @date     $Date: 2006/05/14 06:56:52 $
 */
public class PropertiesKeyShortcuts extends PropertiesBase
                                    implements Constants {
    
    private JTable table;
    private Properties userDefinedShortcuts;
    private ShortcutsTableModel tableModel;
    
    private static String NONE = "<none>";
    private static String delimiter = "+";
    
    /** <p>Constructs a new instance. */
    public PropertiesKeyShortcuts() {
        try  {
            jbInit();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    /**
     * Initializes the state of this instance.
     */
    private void jbInit() throws Exception {

        Vector shortcuts = formatValues(ActionBuilder.getActions());
        tableModel = new ShortcutsTableModel(shortcuts);
        table = new JTable(tableModel);
        table.setFont(PropertiesBase.panelFont);
        table.addMouseListener(new MouseHandler());
        
        table.setRowHeight(20);
        table.setCellSelectionEnabled(true);
        table.setColumnSelectionAllowed(false);
        table.setRowSelectionAllowed(false);
        table.getTableHeader().setResizingAllowed(false);
        table.getTableHeader().setReorderingAllowed(false);
        
        JPanel panel = new JPanel(new GridBagLayout());
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.insets.left = 5;
        gbc.anchor = GridBagConstraints.NORTHWEST;
        panel.add(new JLabel("Keyboard Shortcuts:"), gbc);
        gbc.fill = GridBagConstraints.BOTH;
        gbc.insets.top = 10;
        gbc.gridy = 1;
        gbc.weighty = 1.0;
        gbc.weightx = 1.0;
        panel.add(new JScrollPane(table), gbc);        
        addContent(panel);
        
        userDefinedShortcuts = SystemResources.getUserActionShortcuts();
        if (userDefinedShortcuts != null) {
            tableModel.loadUserDefined();
        }

    }
        
    private Vector formatValues(Map actionMap) {
        Set set = actionMap.keySet();
        BaseActionCommand command = null;
        Vector shortcuts = new Vector(actionMap.size());
        for (Iterator i = set.iterator(); i.hasNext();) {
            command = (BaseActionCommand)actionMap.get(i.next());
            
            if (command.isAcceleratorEditable()) {
                shortcuts.add(
                        new ShortcutKey(
                                command.getActionId(), 
                                (String)command.getValue(Action.NAME),
                                (KeyStroke)command.getValue(Action.ACCELERATOR_KEY)));
            }

        }
        Collections.sort(shortcuts, new ShortcutKeyComparator());
        return shortcuts;
    }
    
    public void restoreDefaults() {
        Vector shortcuts = formatValues(
                ActionBuilder.reloadActions(Constants.ACTION_CONF_PATH));
        tableModel.setShortcuts(shortcuts);
    }
     
    public void save() {
        
        if (userDefinedShortcuts == null) {
            userDefinedShortcuts = new Properties();
        }

        Vector shortcuts = tableModel.getShortcuts();

        for (int i = 0, k = shortcuts.size(); i < k; i++) {
            ShortcutKey shortcut = (ShortcutKey)shortcuts.elementAt(i);            
            if (!MiscUtils.isNull(shortcut.keyStrokeText)) {
                userDefinedShortcuts.setProperty(
                        shortcut.key, shortcut.keyStrokeText);
            }
        }

        SystemResources.setUserActionShortcuts(userDefinedShortcuts);
    }
    
    
    class ShortcutsTableModel extends AbstractTableModel {

        private Vector shortcuts;
        private String[] columnHeaders = {"Command", "Shortcut"};
        
        ShortcutsTableModel(Vector shortcuts) {
            this.shortcuts = shortcuts;
        }
        
        public void loadUserDefined() {
            if (userDefinedShortcuts == null) { 
                return;
            }
            
            KeyStroke keyStroke = null;
            for (int i = 0, k = shortcuts.size(); i < k; i++) {
                ShortcutKey shortcut = (ShortcutKey)shortcuts.elementAt(i);
                
                if (userDefinedShortcuts.containsKey(shortcut.key)) {
                    keyStroke = KeyStroke.getKeyStroke(
                                    userDefinedShortcuts.getProperty(shortcut.key));
                    shortcut.value = MiscUtils.keyStrokeToString(keyStroke);
                }
                
            }
        }
        
        public void setShortcuts(Vector shortcuts) {
            this.shortcuts = shortcuts;
            fireTableDataChanged();
        }
        
        public int getColumnCount() {
            return 2;
        }
        
        public int getRowCount() {
            return shortcuts.size();
        }
        
        public Object getValueAt(int row, int col) {
            ShortcutKey shortcut = (ShortcutKey)shortcuts.elementAt(row);
            
            switch(col) {
                case 0:
                    return shortcut.label;
                case 1:
                    return shortcut.value;
                default:
                    return null;
            }
        }
        
        public ShortcutKey getShortcut(int index) {
            return (ShortcutKey)shortcuts.elementAt(index);
        }
        
        public void updateShortcut(ShortcutKey shortcut, int row) {
            shortcuts.set(row, shortcut);
            fireTableRowsUpdated(row, row);
        }
        
        public void setValueAt(Object value, int row, int col) {
            ShortcutKey shortcut = (ShortcutKey)shortcuts.elementAt(row);
            
            switch(col) {
                case 0:
                    shortcut.label = (String)value;
                    break;
                case 1:
                    shortcut.value = (String)value;
                    break;
            }

            fireTableRowsUpdated(row, row);
        }
        
        public boolean isCellEditable(int nRow, int nCol) {
            return false;
        }
        
        public String getColumnName(int col) {
            return columnHeaders[col];
        }
        
        public Vector getShortcuts() {
            return shortcuts;
        }
        
    } // ShortcutsTableModel
    
    class ShortcutDialog extends JDialog 
                         implements ActionListener {

        private int row;
        private ShortcutInputField shortcutField;
        private ShortcutKey shortcutKey;
        
        public ShortcutDialog(int row) {
            super(GUIUtilities.getParentFrame(), "Select Shortcut", true);
            this.row = row;
            shortcutKey = (ShortcutKey)tableModel.getShortcut(row);

            JButton okButton = new JButton("OK");
            JButton clearButton = new JButton("Clear");
            JButton cancelButton = new JButton("Cancel");
            
            okButton.addActionListener(this);
            clearButton.addActionListener(this);
            cancelButton.addActionListener(this);

            shortcutField = new ShortcutInputField();
            shortcutField.setPreferredSize(new Dimension(300, 20));

            Container c = this.getContentPane();
            c.setLayout(new GridBagLayout());
            GridBagConstraints gbc = new GridBagConstraints();
            gbc.gridy++;
            gbc.insets = new Insets(10,10,5,10);
            gbc.anchor = GridBagConstraints.NORTHWEST;
            gbc.fill = GridBagConstraints.HORIZONTAL;
            gbc.weightx = 1.0;
            c.add(new JLabel("Enter a new shortcut for \"" + 
                    shortcutKey.label + "\":"), gbc);
            gbc.gridy++;
            gbc.insets.top = 0;
            c.add(shortcutField, gbc);
            gbc.gridy++;
            c.add(new JLabel("Current assignment: " + 
                    (MiscUtils.isNull(shortcutKey.value) ? NONE : 
                        shortcutKey.value)), gbc);
            gbc.gridy++;
            
            JPanel buttonPanel = new JPanel();
            buttonPanel.add(okButton);
            buttonPanel.add(clearButton);
            buttonPanel.add(cancelButton);

            gbc.weighty = 1.0;
            gbc.insets.bottom = 10;
            gbc.fill = GridBagConstraints.BOTH;