// Tags: JDK1.5
// Uses: MyMetalComboBoxUI
// Copyright (C) 2005, 2006 David Gilbert <david.gilbert@object-refinery.com>
// This file is part of Mauve.
// Mauve is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// Mauve 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 General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
// Boston, MA 02110-1301 USA.
package gnu.testlet.javax.swing.plaf.metal.MetalComboBoxUI;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Insets;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.plaf.metal.DefaultMetalTheme;
import javax.swing.plaf.metal.MetalComboBoxButton;
import javax.swing.plaf.metal.MetalComboBoxIcon;
import javax.swing.plaf.metal.MetalComboBoxUI;
import javax.swing.plaf.metal.MetalLookAndFeel;
/**
* Some checks for the getMinimumSize() method in the
* {@link MetalComboBoxUI} class.
*/
public class getMinimumSize implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
// test with a known LAF/theme
try
{
MetalLookAndFeel.setCurrentTheme(new DefaultMetalTheme());
UIManager.setLookAndFeel(new MetalLookAndFeel());
}
catch (UnsupportedLookAndFeelException e)
{
e.printStackTrace();
}
test1(harness);
test2(harness);
testEditable(harness);
testEditableWithCustomFont(harness);
}
public void test1(TestHarness harness)
{
JComboBox cb = new JComboBox();
MyMetalComboBoxUI ui = new MyMetalComboBoxUI();
cb.setUI(ui);
Insets insets = ui.getArrowButton().getInsets();
Insets comboInsets = cb.getInsets();
MetalComboBoxButton b = (MetalComboBoxButton) ui.getArrowButton();
Dimension displaySize = ui.getDisplaySize();
int width = displaySize.width + insets.left + 2 * insets.right
+ comboInsets.left + comboInsets.right
+ b.getComboIcon().getIconWidth();
int height = displaySize.height + comboInsets.top + comboInsets.bottom
+ insets.top + insets.bottom;
harness.check(ui.getMinimumSize(cb), new Dimension(width, height));
// the width is the display width plus the button width and
// the button width is equal to 'height'
cb.setModel(new DefaultComboBoxModel(new Object[] {"X"}));
displaySize = ui.getDisplaySize();
width = displaySize.width + insets.left + 2 * insets.right
+ comboInsets.left + comboInsets.right
+ b.getComboIcon().getIconWidth();
height = displaySize.height + comboInsets.top + comboInsets.bottom
+ insets.top + insets.bottom;
harness.check(ui.getMinimumSize(cb), new Dimension(width, height));
cb.setPrototypeDisplayValue("XX");
displaySize = ui.getDisplaySize();
width = displaySize.width + insets.left + 2 * insets.right
+ comboInsets.left + comboInsets.right
+ b.getComboIcon().getIconWidth();
height = displaySize.height + comboInsets.top + comboInsets.bottom
+ insets.top + insets.bottom;
harness.check(ui.getMinimumSize(cb), new Dimension(width, height));
}
/**
* Checks the minimum size for a non-editable JComboBox with a custom font.
*
* @param harness
*/
public void test2(TestHarness harness)
{
JComboBox cb = new JComboBox();
cb.setFont(new Font("Dialog", Font.PLAIN, 24));
MyMetalComboBoxUI ui = new MyMetalComboBoxUI();
cb.setUI(ui);
MetalComboBoxButton button = (MetalComboBoxButton) ui.getArrowButton();
MetalComboBoxIcon icon = (MetalComboBoxIcon) button.getComboIcon();
Insets insets = button.getInsets();
int additionalWidth = insets.left + insets.right + 2;
int additionalHeight = insets.top + insets.bottom + 2;
int iconWidth = icon.getIconWidth() + 6; // a margin = 6 by trial and
// error
FontMetrics fm = cb.getFontMetrics(cb.getFont());
// the following width calculation is a guess. We know the value
// depends on the font size, and that it is relatively small, so after
// trying out a few candidates this one seems to give the right result
int width = fm.charWidth(' ') + additionalWidth + iconWidth;
int height = fm.getHeight() + additionalHeight;
harness.check(ui.getMinimumSize(cb), new Dimension(width, height));
// the width is the display width plus the button width and
// the button width is equal to 'height'
cb.setModel(new DefaultComboBoxModel(new Object[] {"X"}));
width = fm.charWidth('X') + additionalWidth + iconWidth;
harness.check(ui.getMinimumSize(cb), new Dimension(width, height));
cb.setPrototypeDisplayValue("XX");
width = fm.stringWidth("XX") + additionalWidth + iconWidth;
harness.check(ui.getMinimumSize(cb), new Dimension(width, height));
}
private void testEditable(TestHarness harness)
{
harness.checkPoint("testEditable()");
JComboBox cb = new JComboBox();
MyMetalComboBoxUI ui = new MyMetalComboBoxUI();
cb.setUI(ui);
cb.setEditable(true);
// Check empty ComboBox.
Dimension dSize = ui.getDisplaySize();
Insets i = cb.getInsets();
Insets arrowMargin = ui.getArrowButton().getMargin();
int width = dSize.width + i.left + i.right
+ dSize.height + arrowMargin.left + arrowMargin.right;
int height = dSize.height + i.top + i.bottom
+ arrowMargin.top + arrowMargin.bottom;
harness.check(ui.getMinimumSize(cb), new Dimension(width, height));
// Check ComboBox with one element.
cb.setModel(new DefaultComboBoxModel(new Object[] {"X"}));
harness.check(ui.getMinimumSize(cb), new Dimension(width, height));
cb.setPrototypeDisplayValue("XX");
harness.check(ui.getMinimumSize(cb), new Dimension(width, height));
// repeat the tests with a different font
JComboBox cb2 = new JComboBox();
MyMetalComboBoxUI ui2 = new MyMetalComboBoxUI();
cb2.setUI(ui2);
cb2.setEditable(true);
cb2.setFont(new Font("Dialog", Font.PLAIN, 24));
dSize = ui2.getDisplaySize();
i = cb2.getInsets();
arrowMargin = ui2.getArrowButton().getMargin();
width = dSize.width + i.left + i.right
+ dSize.height + arrowMargin.left + arrowMargin.right;
height = dSize.height + i.top + i.bottom
+ arrowMargin.top + arrowMargin.bottom;
harness.check(ui2.getMinimumSize(cb2), new Dimension(width, height));
cb2.setModel(new DefaultComboBoxModel(new Object[] {"X"}));
harness.check(ui2.getMinimumSize(cb2), new Dimension(width, height));
cb2.setPrototypeDisplayValue("XX");
harness.check(ui2.getMinimumSize(cb2), new Dimension(width, height));
}
/**
* Checks the minimum size for an editable JComboBox with a custom font.
*
* @param harness
*/
public void testEditableWithCustomFont(TestHarness harness)
{
harness.checkPoint("testEditableWithCustomFont()");
JComboBox cb = new JComboBox();
cb.setFont(new Font("Dialog", Font.PLAIN, 24));
MyMetalComboBoxUI ui = new MyMetalComboBoxUI();
cb.setUI(ui);
cb.setEditable(true);
Dimension dSize = ui.getDisplaySize();
Insets i = cb.getInsets();
Insets arrowMargin = ui.getArrowButton().getMargin();
int width = dSize.width + i.left + i.right
+ dSize.height + arrowMargin.left + arrowMargin.right;
int height = dSize.height + i.top + i.bottom
+ arrowMargin.top + arrowMargin.bottom;
harness.check(ui.getPreferredSize(cb), new Dimension(width, height));
cb.setModel(new DefaultComboBoxModel(new Object[] {"X"}));
harness.check(ui.getPreferredSize(cb), new Dimension(width, height));
cb.setPrototypeDisplayValue("XX");
harness.check(ui.getPreferredSize(cb), new Dimension(width, height));
// repeat the tests with a different font
JComboBox cb2 = new JComboBox();
MyMetalComboBoxUI ui2 = new MyMetalComboBoxUI();
cb2.setUI(ui2);
cb2.setEditable(true);
cb2.setFont(new Font("Dialog", Font.PLAIN, 24));
dSize = ui2.getDisplaySize();
i = cb2.getInsets();
arrowMargin = ui2.getArrowButton().getMargin();
width = dSize.width + i.left + i.right
+ dSize.height + arrowMargin.left + arrowMargin.right;
height = dSize.height + i.top + i.bottom
+ arrowMargin.top + arrowMargin.bottom;
harness.check(ui2.getPreferredSize(cb2), new Dimension(width, height));
cb2.setModel(new DefaultComboBoxModel(new Object[] {"X"}));
harness.check(ui2.getPreferredSize(cb2), new Dimension(width, height));
cb2.setPrototypeDisplayValue("XX");
harness.check(ui2.getPreferredSize(cb2), new Dimension(width, height));
}
}