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JFreeChart is a class library, written in Java, for generating charts.
Utilising the Java2D APIs, it currently supports bar charts, pie charts,
line charts, XY-plots and time series plots.
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2017, 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.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
*/
package org.jfree.chart.ui;
import java.awt.BorderLayout;
import java.awt.Font;
import java.awt.GraphicsEnvironment;
import java.awt.GridLayout;
import java.util.ResourceBundle;
import javax.swing.BorderFactory;
import javax.swing.JCheckBox;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ListModel;
import org.jfree.chart.util.ResourceBundleWrapper;
/**
* A panel for choosing a font from the available system fonts - still a bit of
* a hack at the moment, but good enough for demonstration applications.
*/
public class FontChooserPanel extends JPanel {
/** The font sizes that can be selected. */
public static final String[] SIZES = {"9", "10", "11", "12", "14", "16",
"18", "20", "22", "24", "28", "36", "48", "72"};
/** The list of fonts. */
private JList fontlist;
/** The list of sizes. */
private JList sizelist;
/** The checkbox that indicates whether the font is bold. */
private JCheckBox bold;
/** The checkbox that indicates whether or not the font is italic. */
private JCheckBox italic;
/** The resourceBundle for the localization. */
protected static ResourceBundle localizationResources =
ResourceBundleWrapper.getBundle("org.jfree.chart.ui.LocalizationBundle");
/**
* Standard constructor - builds a FontChooserPanel initialised with the
* specified font.
*
* @param font the initial font to display.
*/
public FontChooserPanel(Font font) {
final GraphicsEnvironment g
= GraphicsEnvironment.getLocalGraphicsEnvironment();
final String[] fonts = g.getAvailableFontFamilyNames();
setLayout(new BorderLayout());
final JPanel right = new JPanel(new BorderLayout());
final JPanel fontPanel = new JPanel(new BorderLayout());
fontPanel.setBorder(BorderFactory.createTitledBorder(
BorderFactory.createEtchedBorder(),
localizationResources.getString("Font")));
this.fontlist = new JList(fonts);
final JScrollPane fontpane = new JScrollPane(this.fontlist);
fontpane.setBorder(BorderFactory.createEtchedBorder());
fontPanel.add(fontpane);
add(fontPanel);
final JPanel sizePanel = new JPanel(new BorderLayout());
sizePanel.setBorder(BorderFactory.createTitledBorder(
BorderFactory.createEtchedBorder(),
localizationResources.getString("Size")));
this.sizelist = new JList(SIZES);
final JScrollPane sizepane = new JScrollPane(this.sizelist);
sizepane.setBorder(BorderFactory.createEtchedBorder());
sizePanel.add(sizepane);
final JPanel attributes = new JPanel(new GridLayout(1, 2));
this.bold = new JCheckBox(localizationResources.getString("Bold"));
this.italic = new JCheckBox(localizationResources.getString("Italic"));
attributes.add(this.bold);
attributes.add(this.italic);
attributes.setBorder(BorderFactory.createTitledBorder(
BorderFactory.createEtchedBorder(),
localizationResources.getString("Attributes")));
right.add(sizePanel, BorderLayout.CENTER);
right.add(attributes, BorderLayout.SOUTH);
add(right, BorderLayout.EAST);
setSelectedFont(font);
}
/**
* Returns a Font object representing the selection in the panel.
*
* @return the font.
*/
public Font getSelectedFont() {
return new Font(getSelectedName(), getSelectedStyle(),
getSelectedSize());
}
/**
* Returns the selected name.
*
* @return the name.
*/
public String getSelectedName() {
return (String) this.fontlist.getSelectedValue();
}
/**
* Returns the selected style.
*
* @return the style.
*/
public int getSelectedStyle() {
if (this.bold.isSelected() && this.italic.isSelected()) {
return Font.BOLD + Font.ITALIC;
}
if (this.bold.isSelected()) {
return Font.BOLD;
}
if (this.italic.isSelected()) {
return Font.ITALIC;
}
else {
return Font.PLAIN;
}
}
/**
* Returns the selected size.
*
* @return the size.
*/
public int getSelectedSize() {
final String selected = (String) this.sizelist.getSelectedValue();
if (selected != null) {
return Integer.parseInt(selected);
}
else {
return 10;
}
}
/**
* Initializes the contents of the dialog from the given font
* object.
*
* @param font the font from which to read the properties.
*/
public void setSelectedFont (Font font) {
if (font == null) {
throw new NullPointerException();
}
this.bold.setSelected(font.isBold());
this.italic.setSelected(font.isItalic());
final String fontName = font.getName();
ListModel model = this.fontlist.getModel();
this.fontlist.clearSelection();
for (int i = 0; i < model.getSize(); i++) {
if (fontName.equals(model.getElementAt(i))) {
this.fontlist.setSelectedIndex(i);
break;
}
}
final String fontSize = String.valueOf(font.getSize());
model = this.sizelist.getModel();
this.sizelist.clearSelection();
for (int i = 0; i < model.getSize(); i++) {
if (fontSize.equals(model.getElementAt(i))) {
this.sizelist.setSelectedIndex(i);
break;
}
}
}
}