我必须创建一个程序,我将在对话框中为用户显示一些选项以供选择。 根据用户选择的选项,我必须在另一个之前为空的对话框中显示该图片。
示例:
这可以动态完成而无需创建新的Dialog"两个"或者没有为Dialog"两个"。
创建一个新的JPanel到目前为止,我已创建了以下程序,但它在运行后没有添加图片。
import java.awt.BorderLayout;
import java.awt.Dialog.ModalityType;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.plaf.metal.MetalIconFactory.FolderIcon16;
public class Launcher {
JDialog keyboardDialog;
JDialog nameViewDialog;
JPanel nameViewJPanel;
JDialog FinalNameViewDialog;
private final transient ActionListener keyButtonListener =
new ActionListener() {
@Override public void actionPerformed(final ActionEvent event) {
System.out.println( ((JButton) event.getSource()).getActionCommand());
String buttonType=((JButton) event.getSource()).getActionCommand();
ImageIcon iconA = new ImageIcon(this.getClass().getResource("\\Icons\\A1.PNG"));
JLabel la=new JLabel(iconA);
nameViewJPanel.add(la);
nameViewJPanel.repaint();
}
};
public Launcher()
{
nameViewDialog=new JDialog();
nameViewDialog.setLayout(new BorderLayout());
nameViewJPanel=new JPanel();
nameViewJPanel.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
nameViewDialog.setSize(430, 490);
ImageIcon iconA1 = new ImageIcon(this.getClass().getResource("\\Icons\\A1.PNG"));
JLabel la=new JLabel(iconA1);
nameViewJPanel.add(la);
ImageIcon iconA2 = new ImageIcon(this.getClass().getResource("\\Icons\\B1.PNG"));
JLabel lb=new JLabel(iconA2);
nameViewJPanel.add(lb);
nameViewDialog.add(nameViewJPanel);
keyboardDialog=new JDialog(nameViewDialog,ModalityType.MODELESS);
keyboardDialog.setLocationRelativeTo(nameViewDialog);
keyboardDialog.setSize(230,190);
keyboardDialog.setLayout(new GridLayout(2,3));
ImageIcon iconA = new ImageIcon(this.getClass().getResource("\\JaLetters\\A.PNG"));
ImageIcon iconB = new ImageIcon(this.getClass().getResource("\\JaLetters\\B.PNG"));
ImageIcon iconC = new ImageIcon(this.getClass().getResource("\\JaLetters\\C.PNG"));
ImageIcon iconD = new ImageIcon(this.getClass().getResource("\\JaLetters\\D.PNG"));
ImageIcon iconE = new ImageIcon(this.getClass().getResource("\\JaLetters\\E.PNG"));
ImageIcon iconF = new ImageIcon(this.getClass().getResource("\\JaLetters\\F.PNG"));
JButton ba=new JButton();
ba.setIcon(iconA);
ba.setActionCommand("A");
ba.addActionListener(keyButtonListener);
JButton bb=new JButton();
bb.setIcon(iconB);
bb.setActionCommand("B");
bb.addActionListener(keyButtonListener);
JButton bc=new JButton();
bc.setIcon(iconC);
bc.setActionCommand("C");
bc.addActionListener(keyButtonListener);
JButton bd=new JButton();
bd.setIcon(iconD);
bd.setActionCommand("D");
bd.addActionListener(keyButtonListener);
JButton be=new JButton();
be.setIcon(iconE);
be.setActionCommand("E");
be.addActionListener(keyButtonListener);
JButton bf=new JButton();
bf.setIcon(iconF);
bf.setActionCommand("F");
bf.addActionListener(keyButtonListener);
keyboardDialog.add(ba);
keyboardDialog.add(bb);
keyboardDialog.add(bc);
keyboardDialog.add(bd);
keyboardDialog.add(be);
keyboardDialog.add(bf);
nameViewDialog.setVisible(true);
keyboardDialog.setVisible(true);
}
public static void main(String args[])
{
new Launcher();
}
}
答案 0 :(得分:2)
我在Dialog 2中添加了一个CustomJPanel。每个actionlistener加载一个不同的图像并将其发送到绘制图像的CustomJPanel。
这是它的MVC:
主要课程:
JFrame
<强> CustomJPanel 强>
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.JButton;
import javax.swing.JDialog;
public class Main {
public static void main(String[] args) {
JDialog dialog = new JDialog();
dialog.setSize(600, 400);
dialog.setLocationRelativeTo(null);
dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
dialog.setVisible(true);
CustomJPanel customJDialog = new CustomJPanel();
dialog.add(customJDialog);
JDialog dialog2 = new JDialog();
dialog2.setLayout(new FlowLayout());
dialog2.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
dialog2.setLocationRelativeTo(dialog);
JButton button1 = new JButton("Image 1");
JButton button2 = new JButton("Image 2");
dialog2.add(button1);
dialog2.add(button2);
dialog2.pack();
dialog2.setVisible(true);
button1.addActionListener(new ActionListener() {
BufferedImage image = null;
@Override
public void actionPerformed(ActionEvent e) {
try {
image = ImageIO.read(getClass().getResource("test1.jpg"));
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
// TODO Auto-generated method stub
customJDialog.setImage(image);
}
});
button2.addActionListener(new ActionListener() {
BufferedImage image = null;
@Override
public void actionPerformed(ActionEvent e) {
try {
image = ImageIO.read(getClass().getResource("test2.jpg"));
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
// TODO Auto-generated method stub
customJDialog.setImage(image);
}
});
}
}