Java by API/javax.swing/JSpinner
Содержание
- 1 JSpinner: addChangeListener(ChangeListener lis)
- 2 JSpinner: getModel()
- 3 JSpinner.NumberEditor.NumberEditor(JSpinner spinner)
- 4 JSpinner: setEditor(JComponent editor)
- 5 JSpinner: setValue(Object value)
- 6 new JSpinner.DateEditor(JSpinner spinner, String dateFormatPattern)
- 7 new JSpinner(SpinnerModel model1) (SpinnerDateModel)
- 8 new JSpinner(SpinnerModel model2)
JSpinner: addChangeListener(ChangeListener lis)
<source lang="java">
import java.awt.BorderLayout; import javax.swing.JFrame; import javax.swing.JSpinner; import javax.swing.SpinnerModel; import javax.swing.SpinnerNumberModel; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; public class MainClass {
public static void main(final String args[]) { JFrame frame = new JFrame("JSpinner Dates"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); ChangeListener listener = new ChangeListener() { public void stateChanged(ChangeEvent e) { System.out.println("Source: " + e.getSource()); } }; SpinnerModel model3 = new SpinnerNumberModel(); JSpinner spinner3 = new JSpinner(model3); spinner3.addChangeListener(listener); frame.add(spinner3, BorderLayout.SOUTH); frame.setSize(200, 90); frame.setVisible(true); }
}
</source>
JSpinner: getModel()
<source lang="java">
/*
* * Copyright (c) 1998 Sun Microsystems, Inc. All Rights Reserved. * * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use, * modify and redistribute this software in source and binary code form, * provided that i) this copyright notice and license appear on all copies of * the software; and ii) Licensee does not utilize the software in a manner * which is disparaging to Sun. * * This software is provided "AS IS," without a warranty of any kind. ALL * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. * * This software is not designed or intended for use in on-line control of * aircraft, air traffic, aircraft navigation or aircraft communications; or in * the design, construction, operation or maintenance of any nuclear * facility. Licensee represents and warrants that it will not use or * redistribute the Software for such purposes. */
import java.awt.Color; import java.awt.Dimension; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JSpinner; import javax.swing.SpinnerNumberModel; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; class GrayModel extends SpinnerNumberModel {
public GrayModel(int value) { super(value, 0, 255, 5); } public int getIntValue() { Integer myValue = (Integer) getValue(); return myValue.intValue(); } public Color getColor() { int intValue = getIntValue(); return new Color(intValue, intValue, intValue); }
} class GrayEditor extends JLabel implements ChangeListener {
public GrayEditor(JSpinner spinner) { setOpaque(true); // Get info from the model. GrayModel myModel = (GrayModel) (spinner.getModel()); setBackground(myModel.getColor()); spinner.addChangeListener(this); // Set tool tip text. updateToolTipText(spinner); // Set size info. Dimension size = new Dimension(60, 15); setMinimumSize(size); setPreferredSize(size); } protected void updateToolTipText(JSpinner spinner) { String toolTipText = spinner.getToolTipText(); if (toolTipText != null) { // JSpinner has tool tip text. Use it. if (!toolTipText.equals(getToolTipText())) { setToolTipText(toolTipText); } } else { // Define our own tool tip text. GrayModel myModel = (GrayModel) (spinner.getModel()); int rgb = myModel.getIntValue(); setToolTipText("(" + rgb + "," + rgb + "," + rgb + ")"); } } public void stateChanged(ChangeEvent e) { JSpinner mySpinner = (JSpinner) (e.getSource()); GrayModel myModel = (GrayModel) (mySpinner.getModel()); setBackground(myModel.getColor()); updateToolTipText(mySpinner); }
} public class Main extends JPanel {
public static void main(String[] args) { JFrame frame = new JFrame("SpinnerDemo4"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JComponent newContentPane = new Main(); newContentPane.setOpaque(true); frame.setContentPane(newContentPane); frame.add(new JLabel("Shade of Gray:"), "North"); frame.add(new JSpinner(new GrayModel(170))); frame.pack(); frame.setVisible(true); }
}
</source>
JSpinner.NumberEditor.NumberEditor(JSpinner spinner)
<source lang="java">
import java.awt.BorderLayout; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JSpinner; import javax.swing.SpinnerModel; import javax.swing.SpinnerNumberModel;
public class Main {
public static void main(String args[]) { JFrame frame = new JFrame("JSpinner Sample"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); SpinnerModel model = new SpinnerNumberModel(50, 0, 100, .25); JSpinner spinner = new JSpinner(model); JComponent editor = new JSpinner.NumberEditor(spinner); spinner.setEditor(editor); JPanel panel1 = new JPanel(new BorderLayout()); panel1.add(spinner, BorderLayout.CENTER); frame.add(panel1, BorderLayout.SOUTH); frame.setSize(200, 90); frame.setVisible(true); }
}
</source>
JSpinner: setEditor(JComponent editor)
<source lang="java">
import java.awt.Container; import java.awt.GridLayout; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JSpinner; import javax.swing.SpinnerListModel; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; public class MainClass extends JFrame {
public MainClass() { super("JSpinner Icon Test"); setSize(300, 80); setDefaultCloseOperation(EXIT_ON_CLOSE); Container c = getContentPane(); c.setLayout(new GridLayout(0, 2)); Icon nums[] = new Icon[] { new ImageIcon("1.gif"), new ImageIcon("2.gif"), new ImageIcon("3.gif"), new ImageIcon("4.gif"), new ImageIcon("5.gif"), new ImageIcon("6.gif") }; JSpinner s1 = new JSpinner(new SpinnerListModel(nums)); s1.setEditor(new IconEditor(s1)); c.add(new JLabel(" Icon Spinner")); c.add(s1); setVisible(true); } public static void main(String args[]) { new MainClass(); }
} class IconEditor extends JLabel implements ChangeListener {
JSpinner spinner; Icon icon; public IconEditor(JSpinner s) { super((Icon) s.getValue(), CENTER); icon = (Icon) s.getValue(); spinner = s; spinner.addChangeListener(this); } public void stateChanged(ChangeEvent ce) { icon = (Icon) spinner.getValue(); setIcon(icon); } public JSpinner getSpinner() { return spinner; } public Icon getIcon() { return icon; }
}
</source>
JSpinner: setValue(Object value)
<source lang="java">
import javax.swing.JSpinner; public class Main {
public static void main(String[] argv) throws Exception { // Create a number spinner JSpinner spinner = new JSpinner(); // Set its value spinner.setValue(new Integer(100)); }
}
</source>
new JSpinner.DateEditor(JSpinner spinner, String dateFormatPattern)
<source lang="java">
import java.awt.Container; import java.awt.FlowLayout; import java.util.Calendar; import java.util.Date; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JSpinner; import javax.swing.SpinnerDateModel; public class MainClass extends JFrame {
public MainClass() { super("Month Spinner"); setSize(200, 100); setDefaultCloseOperation(EXIT_ON_CLOSE); Container c = getContentPane(); c.setLayout(new FlowLayout(FlowLayout.LEFT, 4, 4)); c.add(new JLabel("Expiration Date:")); Date today = new Date(); JSpinner s = new JSpinner(new SpinnerDateModel(today, null, null, Calendar.MONTH)); JSpinner.DateEditor de = new JSpinner.DateEditor(s, "MM/yy"); s.setEditor(de); c.add(s); setVisible(true); } public static void main(String args[]) { new MainClass(); }
}
</source>
new JSpinner(SpinnerModel model1) (SpinnerDateModel)
<source lang="java">
import java.awt.BorderLayout; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JSpinner; import javax.swing.SpinnerDateModel; import javax.swing.SpinnerModel; public class MainClass {
public static void main(final String args[]) { JFrame frame = new JFrame("JSpinner Dates"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); SpinnerModel model1 = new SpinnerDateModel(); JSpinner spinner1 = new JSpinner(model1); JLabel label1 = new JLabel("All"); JPanel panel1 = new JPanel(new BorderLayout()); panel1.add(label1, BorderLayout.WEST); panel1.add(spinner1, BorderLayout.CENTER); frame.add(panel1, BorderLayout.NORTH); frame.setSize(200, 90); frame.setVisible(true); }
}
</source>
new JSpinner(SpinnerModel model2)
<source lang="java">
import java.awt.BorderLayout; import java.text.DateFormatSymbols; import java.util.Locale; import javax.swing.JFrame; import javax.swing.JSpinner; import javax.swing.SpinnerDateModel; import javax.swing.SpinnerListModel; import javax.swing.SpinnerModel; public class MainClass {
public static void main(String args[]) { JFrame f = new JFrame("JSpinner Sample"); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); DateFormatSymbols symbols = new DateFormatSymbols(Locale.FRENCH); String days[] = symbols.getWeekdays(); SpinnerModel model1 = new SpinnerListModel(days); SpinnerModel model2 = new SpinnerDateModel(); JSpinner spinner1 = new JSpinner(model1); JSpinner spinner2 = new JSpinner(model2); f.add(spinner1, BorderLayout.NORTH); f.add(spinner2, BorderLayout.SOUTH); f.setSize(300, 100); f.setVisible(true); }
}
</source>