/* * Copyright 1999-2005 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.GridBagConstraints;import java.awt.GridBagLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.BorderFactory;import javax.swing.JButton;import javax.swing.JComboBox;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.JTextField;import javax.swing.event.DocumentEvent;import javax.swing.event.DocumentListener;import org.apache.log4j.Logger;import org.apache.log4j.Priority;import org.apache.log4j.Level;/** * Represents the controls for filtering, pausing, exiting, etc. * * @author <a href="mailto:oliver@puppycrawl.com">Oliver Burn</a> */class ControlPanel extends JPanel {    /** use the log messages **/    private static final Logger LOG =                                   Logger.getLogger(ControlPanel.class);    /**     * Creates a new <code>ControlPanel</code> instance.     *     * @param aModel the model to control     */    ControlPanel(final MyTableModel aModel) {        setBorder(BorderFactory.createTitledBorder("Controls: "));        final GridBagLayout gridbag = new GridBagLayout();        final GridBagConstraints c = new GridBagConstraints();        setLayout(gridbag);        // Pad everything        c.ipadx = 5;        c.ipady = 5;        // Add the 1st column of labels        c.gridx = 0;        c.anchor = GridBagConstraints.EAST;        c.gridy = 0;        JLabel label = new JLabel("Filter Level:");        gridbag.setConstraints(label, c);        add(label);        c.gridy++;        label = new JLabel("Filter Thread:");        gridbag.setConstraints(label, c);        add(label);        c.gridy++;        label = new JLabel("Filter Logger:");        gridbag.setConstraints(label, c);        add(label);        c.gridy++;        label = new JLabel("Filter NDC:");        gridbag.setConstraints(label, c);        add(label);        c.gridy++;        label = new JLabel("Filter Message:");        gridbag.setConstraints(label, c);        add(label);        // Add the 2nd column of filters        c.weightx = 1;        //c.weighty = 1;        c.gridx = 1;        c.anchor = GridBagConstraints.WEST;        c.gridy = 0;        final Level[] allPriorities = new Level[] {Level.FATAL,                Level.ERROR,                Level.WARN, 			   Level.INFO, 			   Level.DEBUG, 			   Level.TRACE };                final JComboBox priorities = new JComboBox(allPriorities);        final Level lowest = allPriorities[allPriorities.length - 1];        priorities.setSelectedItem(lowest);        aModel.setPriorityFilter(lowest);        gridbag.setConstraints(priorities, c);        add(priorities);        priorities.setEditable(false);        priorities.addActionListener(new ActionListener() {                public void actionPerformed(ActionEvent aEvent) {                    aModel.setPriorityFilter(                        (Priority) priorities.getSelectedItem());                }            });        c.fill = GridBagConstraints.HORIZONTAL;        c.gridy++;        final JTextField threadField = new JTextField("");        threadField.getDocument().addDocumentListener(new DocumentListener () {                public void insertUpdate(DocumentEvent aEvent) {                    aModel.setThreadFilter(threadField.getText());                }                public void removeUpdate(DocumentEvent aEvente) {                    aModel.setThreadFilter(threadField.getText());                }                public void changedUpdate(DocumentEvent aEvent) {                    aModel.setThreadFilter(threadField.getText());                }            });        gridbag.setConstraints(threadField, c);        add(threadField);        c.gridy++;        final JTextField catField = new JTextField("");        catField.getDocument().addDocumentListener(new DocumentListener () {                public void insertUpdate(DocumentEvent aEvent) {                    aModel.setCategoryFilter(catField.getText());                }                public void removeUpdate(DocumentEvent aEvent) {                    aModel.setCategoryFilter(catField.getText());                }                public void changedUpdate(DocumentEvent aEvent) {                    aModel.setCategoryFilter(catField.getText());                }            });        gridbag.setConstraints(catField, c);        add(catField);        c.gridy++;        final JTextField ndcField = new JTextField("");        ndcField.getDocument().addDocumentListener(new DocumentListener () {                public void insertUpdate(DocumentEvent aEvent) {                    aModel.setNDCFilter(ndcField.getText());                }                public void removeUpdate(DocumentEvent aEvent) {                    aModel.setNDCFilter(ndcField.getText());                }                public void changedUpdate(DocumentEvent aEvent) {                    aModel.setNDCFilter(ndcField.getText());                }            });        gridbag.setConstraints(ndcField, c);        add(ndcField);        c.gridy++;        final JTextField msgField = new JTextField("");        msgField.getDocument().addDocumentListener(new DocumentListener () {                public void insertUpdate(DocumentEvent aEvent) {                    aModel.setMessageFilter(msgField.getText());                }                public void removeUpdate(DocumentEvent aEvent) {                    aModel.setMessageFilter(msgField.getText());                }                public void changedUpdate(DocumentEvent aEvent) {                    aModel.setMessageFilter(msgField.getText());                }            });        gridbag.setConstraints(msgField, c);        add(msgField);        // Add the 3rd column of buttons        c.weightx = 0;        c.fill = GridBagConstraints.HORIZONTAL;        c.anchor = GridBagConstraints.EAST;        c.gridx = 2;        c.gridy = 0;        final JButton exitButton = new JButton("Exit");        exitButton.setMnemonic('x');        exitButton.addActionListener(ExitAction.INSTANCE);        gridbag.setConstraints(exitButton, c);        add(exitButton);        c.gridy++;        final JButton clearButton = new JButton("Clear");        clearButton.setMnemonic('c');        clearButton.addActionListener(new ActionListener() {                public void actionPerformed(ActionEvent aEvent) {                    aModel.clear();                }            });        gridbag.setConstraints(clearButton, c);        add(clearButton);        c.gridy++;        final JButton toggleButton = new JButton("Pause");        toggleButton.setMnemonic('p');        toggleButton.addActionListener(new ActionListener() {                public void actionPerformed(ActionEvent aEvent) {                    aModel.toggle();                    toggleButton.setText(                        aModel.isPaused() ? "Resume" : "Pause");                }            });        gridbag.setConstraints(toggleButton, c);        add(toggleButton);    }}