jcolorchooerframe.java~20~

JAVA教学用代码

package jcolorchooserexample;

import java.awt.BorderLayout;
import java.awt.Dimension;

import javax.swing.JFrame;
import javax.swing.JPanel;
import java.awt.GridLayout;
import javax.swing.JLabel;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.awt.event.MouseAdapter;
import java.awt.Point;
import java.awt.Rectangle;
import javax.swing.JColorChooser;
import java.awt.Color;
import javax.swing.Box;
import java.awt.Component;
import javax.swing.JSlider;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class JColorChooerFrame extends JFrame {
    JPanel contentPane;
    BorderLayout borderLayout1 = new BorderLayout();
    JPanel jPanel1 = new JPanel();
    JPanel jPanel2 = new JPanel();
    GridLayout gridLayout1 = new GridLayout();
    JLabel jLabel1 = new JLabel();
    JLabel jLabel2 = new JLabel();
    JLabel jLabel3 = new JLabel();

    Rectangle rec1 = null;
    Rectangle rec2 = null;

    JSlider jSlider1 = new JSlider();
    JSlider jSlider2 = new JSlider(JSlider.HORIZONTAL);
    public JColorChooerFrame() {
        try {
            setDefaultCloseOperation(EXIT_ON_CLOSE);
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    /**
     * Component initialization.
     *
     * @throws java.lang.Exception
     */
    private void jbInit() throws Exception {
        contentPane = (JPanel) getContentPane();
        contentPane.setLayout(borderLayout1);
        setSize(new Dimension(400, 300));
        setTitle("Frame Title");
        jPanel1.setLayout(gridLayout1);
        gridLayout1.setColumns(2);
        jLabel1.setOpaque(true);
        jLabel1.setText("jLabel1");
        jLabel1.addMouseListener(new JColorChooerFrame_jLabel1_mouseAdapter(this));
        jLabel2.setOpaque(true);
        jLabel2.setText("jLabel2");
        jLabel3.setText("jLabel3");
        jPanel1.addMouseMotionListener(new
                                       JColorChooerFrame_jPanel1_mouseMotionAdapter(this));
        jPanel1.addMouseListener(new JColorChooerFrame_jPanel1_mouseAdapter(this));
        //设置水平刻度
        jSlider1.setOrientation(JSlider.VERTICAL);
        jSlider1.setMaximum(10);
        jSlider1.setPaintLabels(true);
        jSlider1.setPaintTicks(true);
        jSlider2.addChangeListener(new JColorChooerFrame_jSlider2_changeAdapter(this));
        //

        jSlider2.setPaintLabels(true);
        jSlider2.setPaintTicks(true);
        jSlider2.setValue(20);
       // jSlider2.setMajorTickSpacing(10);
        jSlider2.setMinorTickSpacing(2);
        jSlider2.putClientProperty("JSlider.isFilled", Boolean.TRUE);
        ////
        contentPane.add(jPanel1, java.awt.BorderLayout.CENTER);
        jPanel1.add(jLabel1);
        jPanel1.add(jSlider1);
        jPanel1.add(jLabel2);
        contentPane.add(jPanel2, java.awt.BorderLayout.SOUTH);
        jPanel2.add(jLabel3);
        jPanel1.add(jSlider2);
    }

    public void jPanel1_mouseMoved(MouseEvent e) {
        jLabel3.setText("坐标" + e.getX() + ":" + e.getY());
    }

//双击
    public void jPanel1_mouseClicked(MouseEvent e) {

//            if(rec2.contains(point))
//            {
//                Color color =JColorChooser.showDialog(this,"改变label2的颜色",Color.yellow);
//                if(color!=null)
//                {
//                    jLabel2.setBackground(color);
//                }
//            }
    }

    public void jLabel1_mouseClicked(MouseEvent e) {
        Point point = e.getPoint();
        if (e.getClickCount() == 2) {

            Color color = JColorChooser.showDialog(this,
                    "改变lable1的颜色", Color.yellow);
            if (color != null) {
                jLabel1.setBackground(color);
            }

        }
    }

    public void jSlider2_stateChanged(ChangeEvent e) {
        jLabel2.setText("目前刻度" + jSlider2.getValue());
    }


}


class JColorChooerFrame_jSlider2_changeAdapter implements ChangeListener {
    private JColorChooerFrame adaptee;
    JColorChooerFrame_jSlider2_changeAdapter(JColorChooerFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void stateChanged(ChangeEvent e) {
        adaptee.jSlider2_stateChanged(e);
    }
}


class JColorChooerFrame_jPanel1_mouseMotionAdapter extends
        MouseMotionAdapter {
    private JColorChooerFrame adaptee;
    JColorChooerFrame_jPanel1_mouseMotionAdapter(JColorChooerFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void mouseMoved(MouseEvent e) {
        adaptee.jPanel1_mouseMoved(e);
    }
}


class JColorChooerFrame_jPanel1_mouseAdapter extends MouseAdapter {
    private JColorChooerFrame adaptee;
    JColorChooerFrame_jPanel1_mouseAdapter(JColorChooerFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void mouseClicked(MouseEvent e) {
        adaptee.jPanel1_mouseClicked(e);
    }
}


class JColorChooerFrame_jLabel1_mouseAdapter extends MouseAdapter {
    private JColorChooerFrame adaptee;
    JColorChooerFrame_jLabel1_mouseAdapter(JColorChooerFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void mouseClicked(MouseEvent e) {
        adaptee.jLabel1_mouseClicked(e);
    }
}