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jfreechart example source code file (DefaultAxisEditor.java)

This example jfreechart source code file (DefaultAxisEditor.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

awt, borderlayout, borderlayout, defaultaxiseditor, event, font, font, gui, jcheckbox, jpanel, jpanel, jtabbedpane, jtextfield, paint, rectangleinsets, rectangleinsets, select, swing, util

The jfreechart DefaultAxisEditor.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * ----------------------
 * DefaultAxisEditor.java
 * ----------------------
 * (C) Copyright 2005-2008, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert;
 * Contributor(s):   Andrzej Porebski;
 *                   Arnaud Lelievre;
 *
 * Changes
 * -------
 * 24-Nov-2005 : Version 1, based on AxisPropertyEditPanel.java (DG);
 * 18-Dec-2008 : Use ResourceBundleWrapper - see patch 1607918 by
 *               Jess Thrysoee (DG);
 *
 */

package org.jfree.chart.editor;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.Paint;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ResourceBundle;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JColorChooser;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;

import org.jfree.chart.axis.Axis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.util.ResourceBundleWrapper;
import org.jfree.layout.LCBLayout;
import org.jfree.ui.FontChooserPanel;
import org.jfree.ui.FontDisplayField;
import org.jfree.ui.PaintSample;
import org.jfree.ui.RectangleInsets;

/**
 * A panel for editing the properties of an axis.
 */
class DefaultAxisEditor extends JPanel implements ActionListener {

    /** The axis label. */
    private JTextField label;

    /** The label font. */
    private Font labelFont;

    /** The label paint. */
    private PaintSample labelPaintSample;

    /** A field showing a description of the label font. */
    private JTextField labelFontField;

    /** The font for displaying tick labels on the axis. */
    private Font tickLabelFont;

    /**
     * A field containing a description of the font for displaying tick labels
     * on the axis.
     */
    private JTextField tickLabelFontField;

    /** The paint (color) for the tick labels. */
    private PaintSample tickLabelPaintSample;

    /**
     * An empty sub-panel for extending the user interface to handle more
     * complex axes.
     */
    private JPanel slot1;

    /**
     * An empty sub-panel for extending the user interface to handle more
     * complex axes.
     */
    private JPanel slot2;

    /** A flag that indicates whether or not the tick labels are visible. */
    private JCheckBox showTickLabelsCheckBox;

    /** A flag that indicates whether or not the tick marks are visible. */
    private JCheckBox showTickMarksCheckBox;

//    /** Insets text field. */
//    private InsetsTextField tickLabelInsetsTextField;
//
//    /** Label insets text field. */
//    private InsetsTextField labelInsetsTextField;

    /** The tick label insets. */
    private RectangleInsets tickLabelInsets;

    /** The label insets. */
    private RectangleInsets labelInsets;

    /** A tabbed pane for... */
    private JTabbedPane otherTabs;

    /** The resourceBundle for the localization. */
    protected static ResourceBundle localizationResources
            = ResourceBundleWrapper.getBundle(
                    "org.jfree.chart.editor.LocalizationBundle");

    /**
     * A static method that returns a panel that is appropriate for the axis
     * type.
     *
     * @param axis  the axis whose properties are to be displayed/edited in
     *              the panel.
     *
     * @return A panel or <code>nullnull.
     */
    public static DefaultAxisEditor getInstance(Axis axis) {

        if (axis != null) {
            // figure out what type of axis we have and instantiate the
            // appropriate panel
            if (axis instanceof NumberAxis) {
                return new DefaultNumberAxisEditor((NumberAxis) axis);
            }
            else {
                return new DefaultAxisEditor(axis);
            }
        }
        else {
            return null;
        }

    }

    /**
     * Standard constructor: builds a panel for displaying/editing the
     * properties of the specified axis.
     *
     * @param axis  the axis whose properties are to be displayed/edited in
     *              the panel.
     */
    public DefaultAxisEditor(Axis axis) {

        this.labelFont = axis.getLabelFont();
        this.labelPaintSample = new PaintSample(axis.getLabelPaint());
        this.tickLabelFont = axis.getTickLabelFont();
        this.tickLabelPaintSample = new PaintSample(axis.getTickLabelPaint());

        // Insets values
        this.tickLabelInsets = axis.getTickLabelInsets();
        this.labelInsets = axis.getLabelInsets();

        setLayout(new BorderLayout());

        JPanel general = new JPanel(new BorderLayout());
        general.setBorder(
            BorderFactory.createTitledBorder(
                BorderFactory.createEtchedBorder(),
                localizationResources.getString("General")
            )
        );

        JPanel interior = new JPanel(new LCBLayout(5));
        interior.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 5));
        interior.add(new JLabel(localizationResources.getString("Label")));
        this.label = new JTextField(axis.getLabel());
        interior.add(this.label);
        interior.add(new JPanel());

        interior.add(new JLabel(localizationResources.getString("Font")));
        this.labelFontField = new FontDisplayField(this.labelFont);
        interior.add(this.labelFontField);
        JButton b = new JButton(localizationResources.getString("Select..."));
        b.setActionCommand("SelectLabelFont");
        b.addActionListener(this);
        interior.add(b);

        interior.add(new JLabel(localizationResources.getString("Paint")));
        interior.add(this.labelPaintSample);
        b = new JButton(localizationResources.getString("Select..."));
        b.setActionCommand("SelectLabelPaint");
        b.addActionListener(this);
        interior.add(b);

//        interior.add(
//            new JLabel(localizationResources.getString("Label_Insets"))
//        );
//        b = new JButton(localizationResources.getString("Edit..."));
//        b.setActionCommand("LabelInsets");
//        b.addActionListener(this);
//        this.labelInsetsTextField = new InsetsTextField(this.labelInsets);
//        interior.add(this.labelInsetsTextField);
//        interior.add(b);
//
//        interior.add(
//            new JLabel(localizationResources.getString("Tick_Label_Insets"))
//        );
//        b = new JButton(localizationResources.getString("Edit..."));
//        b.setActionCommand("TickLabelInsets");
//        b.addActionListener(this);
//        this.tickLabelInsetsTextField
//            = new InsetsTextField(this.tickLabelInsets);
//        interior.add(this.tickLabelInsetsTextField);
//        interior.add(b);

        general.add(interior);

        add(general, BorderLayout.NORTH);

        this.slot1 = new JPanel(new BorderLayout());

        JPanel other = new JPanel(new BorderLayout());
        other.setBorder(BorderFactory.createTitledBorder(
                             BorderFactory.createEtchedBorder(),
                             localizationResources.getString("Other")));

        this.otherTabs = new JTabbedPane();
        this.otherTabs.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 5));

        JPanel ticks = new JPanel(new LCBLayout(3));
        ticks.setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));

        this.showTickLabelsCheckBox = new JCheckBox(
            localizationResources.getString("Show_tick_labels"),
            axis.isTickLabelsVisible()
        );
        ticks.add(this.showTickLabelsCheckBox);
        ticks.add(new JPanel());
        ticks.add(new JPanel());

        ticks.add(
            new JLabel(localizationResources.getString("Tick_label_font"))
        );
        this.tickLabelFontField = new FontDisplayField(this.tickLabelFont);
        ticks.add(this.tickLabelFontField);
        b = new JButton(localizationResources.getString("Select..."));
        b.setActionCommand("SelectTickLabelFont");
        b.addActionListener(this);
        ticks.add(b);

        this.showTickMarksCheckBox = new JCheckBox(
            localizationResources.getString("Show_tick_marks"),
            axis.isTickMarksVisible()
        );
        ticks.add(this.showTickMarksCheckBox);
        ticks.add(new JPanel());
        ticks.add(new JPanel());

        this.otherTabs.add(localizationResources.getString("Ticks"), ticks);

        other.add(this.otherTabs);

        this.slot1.add(other);

        this.slot2 = new JPanel(new BorderLayout());
        this.slot2.add(this.slot1, BorderLayout.NORTH);
        add(this.slot2);

    }

    /**
     * Returns the current axis label.
     *
     * @return The current axis label.
     */
    public String getLabel() {
        return this.label.getText();
    }

    /**
     * Returns the current label font.
     *
     * @return The current label font.
     */
    public Font getLabelFont() {
        return this.labelFont;
    }

    /**
     * Returns the current label paint.
     *
     * @return The current label paint.
     */
    public Paint getLabelPaint() {
        return this.labelPaintSample.getPaint();
    }

    /**
     * Returns a flag that indicates whether or not the tick labels are visible.
     *
     * @return <code>true if ick mark labels are visible.
     */
    public boolean isTickLabelsVisible() {
        return this.showTickLabelsCheckBox.isSelected();
    }

    /**
     * Returns the font used to draw the tick labels (if they are showing).
     *
     * @return The font used to draw the tick labels.
     */
    public Font getTickLabelFont() {
        return this.tickLabelFont;
    }

    /**
     * Returns the current tick label paint.
     *
     * @return The current tick label paint.
     */
    public Paint getTickLabelPaint() {
        return this.tickLabelPaintSample.getPaint();
    }

    /**
     * Returns the current value of the flag that determines whether or not
     * tick marks are visible.
     *
     * @return <code>true if tick marks are visible.
     */
    public boolean isTickMarksVisible() {
        return this.showTickMarksCheckBox.isSelected();
    }

    /**
     * Returns the current tick label insets value
     *
     * @return The current tick label insets value.
     */
    public RectangleInsets getTickLabelInsets() {
        return (this.tickLabelInsets == null)
            ? new RectangleInsets(0, 0, 0, 0)
            : this.tickLabelInsets;
    }

    /**
     * Returns the current label insets value
     *
     * @return The current label insets value.
     */
    public RectangleInsets getLabelInsets() {
        return (this.labelInsets == null)
            ? new RectangleInsets(0, 0, 0, 0) : this.labelInsets;
    }

    /**
     * Returns a reference to the tabbed pane.
     *
     * @return A reference to the tabbed pane.
     */
    public JTabbedPane getOtherTabs() {
        return this.otherTabs;
    }

    /**
     * Handles user interaction with the property panel.
     *
     * @param event  information about the event that triggered the call to
     *      this method.
     */
    public void actionPerformed(ActionEvent event) {
        String command = event.getActionCommand();
        if (command.equals("SelectLabelFont")) {
            attemptLabelFontSelection();
        }
        else if (command.equals("SelectLabelPaint")) {
            attemptModifyLabelPaint();
        }
        else if (command.equals("SelectTickLabelFont")) {
            attemptTickLabelFontSelection();
        }
//        else if (command.equals("LabelInsets")) {
//            editLabelInsets();
//        }
//        else if (command.equals("TickLabelInsets")) {
//            editTickLabelInsets();
//        }
    }

    /**
     * Presents a font selection dialog to the user.
     */
    private void attemptLabelFontSelection() {

        FontChooserPanel panel = new FontChooserPanel(this.labelFont);
        int result = JOptionPane.showConfirmDialog(this, panel,
            localizationResources.getString("Font_Selection"),
            JOptionPane.OK_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE);

        if (result == JOptionPane.OK_OPTION) {
            this.labelFont = panel.getSelectedFont();
            this.labelFontField.setText(
                this.labelFont.getFontName() + " " + this.labelFont.getSize()
            );
        }

    }

    /**
     * Allows the user the opportunity to change the outline paint.
     */
    private void attemptModifyLabelPaint() {
        Color c;
        c = JColorChooser.showDialog(
            this, localizationResources.getString("Label_Color"), Color.blue
        );
        if (c != null) {
            this.labelPaintSample.setPaint(c);
        }
    }

    /**
     * Presents a tick label font selection dialog to the user.
     */
    public void attemptTickLabelFontSelection() {

        FontChooserPanel panel = new FontChooserPanel(this.tickLabelFont);
        int result = JOptionPane.showConfirmDialog(this, panel,
            localizationResources.getString("Font_Selection"),
            JOptionPane.OK_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE);

        if (result == JOptionPane.OK_OPTION) {
            this.tickLabelFont = panel.getSelectedFont();
            this.tickLabelFontField.setText(
                this.tickLabelFont.getFontName() + " "
                + this.tickLabelFont.getSize()
            );
        }

    }

//    /**
//     * Presents insets chooser panel allowing user to modify tick label's
//     * individual insets values. Updates the current insets text field if
//     * edit is accepted.
//     */
//    private void editTickLabelInsets() {
//        InsetsChooserPanel panel = new InsetsChooserPanel(
//            this.tickLabelInsets);
//        int result =  JOptionPane.showConfirmDialog(
//            this, panel, localizationResources.getString("Edit_Insets"),
//            JOptionPane.PLAIN_MESSAGE
//        );
//
//        if (result == JOptionPane.OK_OPTION) {
//            this.tickLabelInsets = panel.getInsets();
//            this.tickLabelInsetsTextField.setInsets(this.tickLabelInsets);
//        }
//    }
//
//    /**
//     * Presents insets chooser panel allowing user to modify label's
//     * individual insets values. Updates the current insets text field if edit
//     * is accepted.
//     */
//    private void editLabelInsets() {
//        InsetsChooserPanel panel = new InsetsChooserPanel(this.labelInsets);
//        int result = JOptionPane.showConfirmDialog(
//            this, panel, localizationResources.getString("Edit_Insets"),
//            JOptionPane.PLAIN_MESSAGE
//        );
//
//        if (result == JOptionPane.OK_OPTION) {
//            this.labelInsets = panel.getInsets();
//            this.labelInsetsTextField.setInsets(this.labelInsets);
//        }
//    }

    /**
     * Sets the properties of the specified axis to match the properties
     * defined on this panel.
     *
     * @param axis  the axis.
     */
    public void setAxisProperties(Axis axis) {
        axis.setLabel(getLabel());
        axis.setLabelFont(getLabelFont());
        axis.setLabelPaint(getLabelPaint());
        axis.setTickMarksVisible(isTickMarksVisible());
        // axis.setTickMarkStroke(getTickMarkStroke());
        axis.setTickLabelsVisible(isTickLabelsVisible());
        axis.setTickLabelFont(getTickLabelFont());
        axis.setTickLabelPaint(getTickLabelPaint());
        axis.setTickLabelInsets(getTickLabelInsets());
        axis.setLabelInsets(getLabelInsets());
    }

}

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