src/main/java/org/apache/log4j/chainsaw/logui/LogUiKeyStrokeCreator.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to you 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.logui;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import javax.swing.*;
import org.apache.log4j.chainsaw.components.tabbedpane.ChainsawTabbedPane;

public class LogUiKeyStrokeCreator {

    static void createKeyStrokeGotoLine(ChainsawTabbedPane tabbedPane, LogUI logUI) {
        KeyStroke ksGotoLine = KeyStroke.getKeyStroke(
                KeyEvent.VK_G, Toolkit.getDefaultToolkit().getMenuShortcutKeyMask());
        tabbedPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(ksGotoLine, "GotoLine");

        Action gotoLine = new AbstractAction() {
            public void actionPerformed(ActionEvent e) {
                String inputLine = JOptionPane.showInputDialog(
                        logUI, "Enter the line number to go:", "Goto Line", JOptionPane.PLAIN_MESSAGE);
                try {
                    int lineNumber = Integer.parseInt(inputLine);
                    int row = logUI.getCurrentLogPanel().setSelectedEvent(lineNumber);
                    if (row == -1) {
                        JOptionPane.showMessageDialog(
                                logUI, "You have entered an invalid line number", "Error", JOptionPane.ERROR_MESSAGE);
                    }
                } catch (NumberFormatException nfe) {
                    JOptionPane.showMessageDialog(
                            logUI, "You have entered an invalid line number", "Error", JOptionPane.ERROR_MESSAGE);
                }
            }
        };

        tabbedPane.getActionMap().put("GotoLine", gotoLine);
    }

    static void createKeyStrokeLeft(ChainsawTabbedPane tabbedPane) {
        KeyStroke ksLeft = KeyStroke.getKeyStroke(
                KeyEvent.VK_LEFT, Toolkit.getDefaultToolkit().getMenuShortcutKeyMask());
        tabbedPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(ksLeft, "MoveLeft");

        Action moveLeft = new AbstractAction() {
            public void actionPerformed(ActionEvent e) {
                int temp = tabbedPane.getSelectedIndex();
                --temp;

                if (temp > -1) {
                    tabbedPane.setSelectedTab(temp);
                }
            }
        };
        tabbedPane.getActionMap().put("MoveLeft", moveLeft);
    }

    static void createKeyStrokeRight(ChainsawTabbedPane tabbedPane) {
        KeyStroke ksRight = KeyStroke.getKeyStroke(
                KeyEvent.VK_RIGHT, Toolkit.getDefaultToolkit().getMenuShortcutKeyMask());
        tabbedPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(ksRight, "MoveRight");
        Action moveRight = new AbstractAction() {
            public void actionPerformed(ActionEvent e) {
                int temp = tabbedPane.getSelectedIndex();
                ++temp;

                if (temp != tabbedPane.getTabCount()) {
                    tabbedPane.setSelectedTab(temp);
                }
            }
        };
        tabbedPane.getActionMap().put("MoveRight", moveRight);
    }
}