如何将最小的 jinternalframe 保持在顶部 [英] how to keep minimized jinternalframe on top
问题描述
我有四个内部框架和 3 个按钮.当我点击最大化按钮时，最大化但它与所有框架重叠.但我的观点是它应该显示最小化的框架.请找到下面的代码
i have four internal frames and 3 buttons in it .When i hit the maximize button,maximizes but it overlaps all the frames.But my point is that it should show the minimized frames. please find the code below
package Project;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.HeadlessException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyVetoException;
import javax.swing.JButton;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.plaf.basic.BasicInternalFrameTitlePane;
import javax.swing.plaf.basic.BasicInternalFrameUI;
public class Test {
public Test() throws HeadlessException, PropertyVetoException {
createAndShowGUI();
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
try {
new Test();
} catch (HeadlessException ex) {
//Logger.getLogger(MinPanel1.class.getName()).log(Level.SEVERE, null, ex);
} catch (PropertyVetoException ex) {
// Logger.getLogger(MinPanel1.class.getName()).log(Level.SEVERE, null, ex);
}
}
});
}
private void createAndShowGUI() throws HeadlessException, PropertyVetoException {
JFrame frame = new JFrame();
frame.setResizable(true);
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
final JDesktopPane jdp = new JDesktopPane() {
@Override
public Dimension getPreferredSize() {
return new Dimension(400, 400);
}
};
frame.setContentPane(jdp);
frame.pack();
createAndAddInternalFrame(jdp, 0, 0);
createAndAddInternalFrame(jdp, 200, 0);
createAndAddInternalFrame(jdp, 400, 0);
createAndAddInternalFrame(jdp, 600, 0);
frame.setVisible(true);
}
private void createAndAddInternalFrame(final JDesktopPane jdp, int x, int y) throws PropertyVetoException {
final JInternalFrame jInternalFrame = new JInternalFrame("Test1", true, true, true, true);
jInternalFrame.setLocation(x, y);
final JInternalFrame jInternalFrame1 = new JInternalFrame("Test2", true, true, true, true);
JPanel jp= new JPanel();
JButton jb1 = new JButton("min");
JButton jb2 = new JButton("[]");
JButton jb3 = new JButton("X");
jInternalFrame.setLayout(new GridLayout(2, 2,2,2));
jInternalFrame1.add(jb1);
jInternalFrame.setSize(200, 200);//testing
jInternalFrame.setLayout(new GridLayout(2,2));
JButton jb= new JButton("min");
// jInternalFrame.add(jb);
// jInternalFrame.add(jb3);
//jInternalFrame.add(jb2);
jp.add(jb);
jp.add(jb2);
jp.add(jb3);
jInternalFrame.add(jp);
jb.addActionListener(new ActionListener()
{
@Override
public void actionPerformed(ActionEvent ae) {
try {
jInternalFrame.setIcon(true);
} catch (PropertyVetoException ex) {
}
}
});
jb1.addActionListener(new ActionListener()
{
@Override
public void actionPerformed(ActionEvent ae) {
try {
jInternalFrame.setIcon(true);
} catch (PropertyVetoException ex) {
}
}
});
jb2.addActionListener(new ActionListener()
{
@Override
public void actionPerformed(ActionEvent ae) {
try {
jInternalFrame.setMaximum(true);
}
catch(Exception e)
{
}
}
});jb3.addActionListener(new ActionListener()
{
@Override
public void actionPerformed(ActionEvent ae) {
try {
jInternalFrame.dispose();
} catch (Exception ex) {
}
}
});
BasicInternalFrameTitlePane titlePane = (BasicInternalFrameTitlePane) ((BasicInternalFrameUI) jInternalFrame.getUI()).getNorthPane();
jInternalFrame.remove(titlePane);
jInternalFrame.setVisible(true);
jInternalFrame1.setVisible(true);
jdp.add(jInternalFrame);
//jdp.add(jInternalFrame1);
}
}
推荐答案
你可以试试:JDesktopPane#setComponentZOrder(Component com, int i).根据文档:
将指定的组件移动到指定的 z-order 索引中容器.z-order 确定组件的顺序绘;具有最高 z-order 的组件首先绘制，然后具有最低 z 顺序绘制的组件最后.哪里组件重叠，具有较低 z 顺序的组件绘制在具有较高 z 阶的组件.
Moves the specified component to the specified z-order index in the container. The z-order determines the order that components are painted; the component with the highest z-order paints first and the component with the lowest z-order paints last. Where components overlap, the component with the lower z-order paints over the component with the higher z-order.
...
注意:
并非所有平台都支持更改 z 顺序重量级组件从一个容器到另一个容器调用 removeNotify.没有办法检测一个平台支持这一点，所以开发者不应该做任何假设.
Not all platforms support changing the z-order of heavyweight components from one container into another without the call to removeNotify. There is no way to detect whether a platform supports this, so developers shouldn't make any assumptions.
这将允许您设置 JDesktopPane 中包含的 JInternalFrame 的顺序.
This will allow you to set the order of the JInternalFrames contained within JDesktopPane.
更新:
根据我的评论:
据我所知，它是默认行为，似乎不是JDesktopPane#setComponentZOrder(Component com, int i)当 JInternalFrame 是 iconified 时.它在 正常时工作正常状态
From what I can see its the default behavior and doesnt seem to be over com-able by
JDesktopPane#setComponentZOrder(Component com, int i)when theJInternalFrameis iconified. it works fine when its in normal state
解决方案:
我建议调整显示最大化JInternalFrame的层:
I suggest adjusting the layer on which maximized JInternalFrame is shown:
jb2.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent ae) {
try {
if (jInternalFrame.isMaximum()) {//restore
jInternalFrame.pack();
} else {//maximize
jInternalFrame.setMaximum(true);
}
jdp.remove(jInternalFrame);
jdp.add(jInternalFrame, JDesktopPane.FRAME_CONTENT_LAYER);
jdp.revalidate();
jdp.repaint();
} catch (Exception e) {
e.printStackTrace();
}
}
});
当它最小化时，我们也不能忘记将它添加回DEFAULT_LAYER:
We must also not forget to add it back to the DEFAULT_LAYER when it is minimized:
jb.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent ae) {
try {
if (jInternalFrame.getLayer() == JDesktopPane.FRAME_CONTENT_LAYER) {
jdp.remove(jInternalFrame);
jdp.add(jInternalFrame, JDesktopPane.DEFAULT_LAYER);
jdp.revalidate();
jdp.repaint();
}
jInternalFrame.pack();
jInternalFrame.setIcon(true);
} catch (PropertyVetoException ex) {
}
}
});
完整代码如下:
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.HeadlessException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyVetoException;
import javax.swing.JButton;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.plaf.basic.BasicInternalFrameTitlePane;
import javax.swing.plaf.basic.BasicInternalFrameUI;
public class Test {
public Test() throws HeadlessException, PropertyVetoException {
createAndShowGUI();
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
try {
new Test();
} catch (HeadlessException ex) {
ex.printStackTrace();
} catch (PropertyVetoException ex) {
ex.printStackTrace();
}
}
});
}
private void createAndShowGUI() throws HeadlessException, PropertyVetoException {
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
final JDesktopPane jdp = new JDesktopPane() {
@Override
public Dimension getPreferredSize() {
return new Dimension(600, 400);
}
};
frame.setContentPane(jdp);
frame.pack();
createAndAddInternalFrame(jdp, 0, 0);
createAndAddInternalFrame(jdp, 300, 0);
createAndAddInternalFrame(jdp, 0, 200);
frame.setVisible(true);
}
private void createAndAddInternalFrame(final JDesktopPane jdp, int x, int y) throws PropertyVetoException {
final JInternalFrame jInternalFrame = new JInternalFrame("Test1", true, true, true, true);
jInternalFrame.setLocation(x, y);
JPanel jp = new JPanel();
JButton jb = new JButton("min");
JButton jb2 = new JButton("max/restore");
JButton jb3 = new JButton("close");
jInternalFrame.setLayout(new GridLayout(2, 2));
jp.add(jb);
jp.add(jb2);
jp.add(jb3);
jInternalFrame.add(jp);
jb.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent ae) {
try {
if (jInternalFrame.getLayer() == JDesktopPane.FRAME_CONTENT_LAYER) {
jdp.remove(jInternalFrame);
jdp.add(jInternalFrame, JDesktopPane.DEFAULT_LAYER);
jdp.revalidate();
jdp.repaint();
}
jInternalFrame.pack();
jInternalFrame.setIcon(true);
} catch (PropertyVetoException ex) {
ex.printStackTrace();
}
}
});
jb2.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent ae) {
try {
if (jInternalFrame.isMaximum()) {//restore
jInternalFrame.pack();
} else {//maximize
jInternalFrame.setMaximum(true);
}
jdp.remove(jInternalFrame);
jdp.add(jInternalFrame, JDesktopPane.FRAME_CONTENT_LAYER);
jdp.revalidate();
jdp.repaint();
} catch (Exception e) {
e.printStackTrace();
}
}
});
jb3.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent ae) {
try {
jInternalFrame.dispose();
} catch (Exception ex) {
ex.printStackTrace();
}
}
});
BasicInternalFrameTitlePane titlePane = (BasicInternalFrameTitlePane) ((BasicInternalFrameUI) jInternalFrame.getUI()).getNorthPane();
jInternalFrame.remove(titlePane);
jInternalFrame.pack();
jInternalFrame.setVisible(true);
jdp.add(jInternalFrame);
}
}
这篇关于如何将最小的 jinternalframe 保持在顶部的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
