org.apache.log4j.chainsaw.ControlPanel Maven / Gradle / Ivy

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/*
 * 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;

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 Oliver Burn
 */
class ControlPanel extends JPanel {
    /** use the log messages **/
    private static final Logger LOG = Logger.getLogger(ControlPanel.class);

    /**
     * Creates a new ControlPanel 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);
    }
}