Quelle SliderDemo.java
Sprache: JAVA
/*
*
* Copyright ( c ) 2007 , 2021 , Oracle and / or its affiliates . All rights reserved .
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions
* are met :
*
* - Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
*
* - Redistributions in binary form must reproduce the above copyright
* notice , this list of conditions and the following disclaimer in the
* documentation and / or other materials provided with the distribution .
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission .
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS " AS
* IS " AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT LIMITED TO ,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED . IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT , INDIRECT , INCIDENTAL , SPECIAL ,
* EXEMPLARY , OR CONSEQUENTIAL DAMAGES ( INCLUDING , BUT NOT LIMITED TO ,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES ; LOSS OF USE , DATA , OR
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*/
import javax.swing.BoundedRangeModel;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.DefaultBoundedRangeModel;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.border.BevelBorder;
import javax.swing.border.TitledBorder;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.util.Dictionary;
/**
* JSlider Demo
*
* @ author Dave Kloba
* @ author Jeff Dinkins
*/
public class SliderDemo extends DemoModule {
/**
* main method allows us to run as a standalone demo .
*/
public static void main(String[] args) {
SliderDemo demo = new SliderDemo(null );
demo.mainImpl();
}
/**
* SliderDemo Constructor
*/
public SliderDemo(SwingSet2 swingset) {
// Set the title for this demo, and an icon used to represent this
// demo inside the SwingSet2 app.
super (swingset, "SliderDemo" , "toolbar/JSlider.gif" );
createSliderDemo();
}
public void createSliderDemo() {
JSlider s;
JPanel hp;
JPanel vp;
GridLayout g;
JPanel tp;
JLabel tf;
ChangeListener listener;
getDemoPanel().setLayout(new BorderLayout());
tf = new JLabel(getString("SliderDemo.slidervalue" ));
getDemoPanel().add(tf, BorderLayout.SOUTH);
tp = new JPanel();
g = new GridLayout(1 , 2 );
g.setHgap(5 );
g.setVgap(5 );
tp.setLayout(g);
getDemoPanel().add(tp, BorderLayout.CENTER);
listener = new SliderListener(tf);
BevelBorder border = new BevelBorder(BevelBorder.LOWERED);
hp = new JPanel();
hp.setLayout(new BoxLayout(hp, BoxLayout.Y_AXIS));
hp.setBorder(new TitledBorder(
border,
getString("SliderDemo.horizontal" ),
TitledBorder.LEFT,
TitledBorder.ABOVE_TOP));
tp.add(hp);
vp = new JPanel();
vp.setLayout(new BoxLayout(vp, BoxLayout.X_AXIS));
vp.setBorder(new TitledBorder(
border,
getString("SliderDemo.vertical" ),
TitledBorder.LEFT,
TitledBorder.ABOVE_TOP));
tp.add(vp);
// Horizontal Slider 1
JPanel p = new JPanel();
p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
p.setBorder(new TitledBorder(getString("SliderDemo.plain" )));
s = new JSlider(-10 , 100 , 20 );
s.getAccessibleContext().setAccessibleName(getString("SliderDemo.plain" ));
s.getAccessibleContext().setAccessibleDescription(getString("SliderDemo.a_plain_slider" ));
s.addChangeListener(listener);
p.add(Box.createRigidArea(VGAP5));
p.add(s);
p.add(Box.createRigidArea(VGAP5));
hp.add(p);
hp.add(Box.createRigidArea(VGAP10));
// Horizontal Slider 2
p = new JPanel();
p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
p.setBorder(new TitledBorder(getString("SliderDemo.majorticks" )));
s = new JSlider(100 , 1000 , 400 );
s.setPaintTicks(true );
s.setMajorTickSpacing(100 );
s.getAccessibleContext().setAccessibleName(getString("SliderDemo.majorticks" ));
s.getAccessibleContext().setAccessibleDescription(getString("SliderDemo.majorticksdescription" ));
s.addChangeListener(listener);
p.add(Box.createRigidArea(VGAP5));
p.add(s);
p.add(Box.createRigidArea(VGAP5));
hp.add(p);
hp.add(Box.createRigidArea(VGAP10));
// Horizontal Slider 3
p = new JPanel();
p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
p.setBorder(new TitledBorder(getString("SliderDemo.ticks" )));
s = new JSlider(0 , 11 , 6 );
s.putClientProperty("JSlider.isFilled" , Boolean .TRUE );
s.setPaintTicks(true );
s.setMajorTickSpacing(5 );
s.setMinorTickSpacing(1 );
s.setPaintLabels( true );
s.setSnapToTicks( true );
@SuppressWarnings("unchecked" )
Dictionary<Object, Object> labelTable = s.getLabelTable();
labelTable.put(Integer.valueOf(11 ), new JLabel(Integer.valueOf(11 ).toString(), JLabel.CENTER));
s.setLabelTable( s.getLabelTable() );
s.getAccessibleContext().setAccessibleName(getString("SliderDemo.minorticks" ));
s.getAccessibleContext().setAccessibleDescription(getString("SliderDemo.minorticksdescription" ));
s.addChangeListener(listener);
p.add(Box.createRigidArea(VGAP5));
p.add(s);
p.add(Box.createRigidArea(VGAP5));
hp.add(p);
hp.add(Box.createRigidArea(VGAP10));
// Horizontal Slider 4
p = new JPanel();
p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
p.setBorder(new TitledBorder(getString("SliderDemo.disabled" )));
BoundedRangeModel brm = new DefaultBoundedRangeModel(80 , 0 , 0 , 100 );
s = new JSlider(brm);
s.setPaintTicks(true );
s.setMajorTickSpacing(20 );
s.setMinorTickSpacing(5 );
s.setEnabled(false );
s.getAccessibleContext().setAccessibleName(getString("SliderDemo.disabled" ));
s.getAccessibleContext().setAccessibleDescription(getString("SliderDemo.disableddescription" ));
s.addChangeListener(listener);
p.add(Box.createRigidArea(VGAP5));
p.add(s);
p.add(Box.createRigidArea(VGAP5));
hp.add(p);
//////////////////////////////////////////////////////////////////////////////
// Vertical Slider 1
p = new JPanel();
p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
p.setBorder(new TitledBorder(getString("SliderDemo.plain" )));
s = new JSlider(JSlider.VERTICAL, -10 , 100 , 20 );
s.getAccessibleContext().setAccessibleName(getString("SliderDemo.plain" ));
s.getAccessibleContext().setAccessibleDescription(getString("SliderDemo.a_plain_slider" ));
s.addChangeListener(listener);
p.add(Box.createRigidArea(HGAP10));
p.add(s);
p.add(Box.createRigidArea(HGAP10));
vp.add(p);
vp.add(Box.createRigidArea(HGAP10));
// Vertical Slider 2
p = new JPanel();
p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
p.setBorder(new TitledBorder(getString("SliderDemo.majorticks" )));
s = new JSlider(JSlider.VERTICAL, 100 , 1000 , 400 );
s.putClientProperty( "JSlider.isFilled" , Boolean .TRUE );
s.setPaintTicks(true );
s.setMajorTickSpacing(100 );
s.getAccessibleContext().setAccessibleName(getString("SliderDemo.majorticks" ));
s.getAccessibleContext().setAccessibleDescription(getString("SliderDemo.majorticksdescription" ));
s.addChangeListener(listener);
p.add(Box.createRigidArea(HGAP25));
p.add(s);
p.add(Box.createRigidArea(HGAP25));
vp.add(p);
vp.add(Box.createRigidArea(HGAP5));
// Vertical Slider 3
p = new JPanel();
p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
p.setBorder(new TitledBorder(getString("SliderDemo.minorticks" )));
s = new JSlider(JSlider.VERTICAL, 0 , 100 , 60 );
s.setPaintTicks(true );
s.setMajorTickSpacing(20 );
s.setMinorTickSpacing(5 );
s.setPaintLabels( true );
s.getAccessibleContext().setAccessibleName(getString("SliderDemo.minorticks" ));
s.getAccessibleContext().setAccessibleDescription(getString("SliderDemo.minorticksdescription" ));
s.addChangeListener(listener);
p.add(Box.createRigidArea(HGAP10));
p.add(s);
p.add(Box.createRigidArea(HGAP10));
vp.add(p);
vp.add(Box.createRigidArea(HGAP5));
// Vertical Slider 4
p = new JPanel();
p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
p.setBorder(new TitledBorder(getString("SliderDemo.disabled" )));
s = new JSlider(JSlider.VERTICAL, 0 , 100 , 80 );
s.setPaintTicks(true );
s.setMajorTickSpacing(20 );
s.setMinorTickSpacing(5 );
s.setEnabled(false );
s.getAccessibleContext().setAccessibleName(getString("SliderDemo.disabled" ));
s.getAccessibleContext().setAccessibleDescription(getString("SliderDemo.disableddescription" ));
s.addChangeListener(listener);
p.add(Box.createRigidArea(HGAP20));
p.add(s);
p.add(Box.createRigidArea(HGAP20));
vp.add(p);
}
class SliderListener implements ChangeListener {
JLabel tf;
public SliderListener(JLabel f) {
tf = f;
}
public void stateChanged(ChangeEvent e) {
JSlider s1 = (JSlider)e.getSource();
tf.setText(getString("SliderDemo.slidervalue" ) + s1.getValue());
}
}
}
Messung V0.5 in Prozent C=95 H=100 G=97
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-02)
¤
*© Formatika GbR, Deutschland
2026-08-25
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