撤消C/doc选项卡的最佳方法JTabbedPane Java
正如标题所示,从JTabbedPane记录/撤消选项卡的最佳方式是什么?类似于在Chrome中拖动一个选项卡,它将打开一个新窗口,然后将其拖回将再次将其放回?这不是一个简单的问题 首先,您需要一个触发器,您可以确定选项卡将要松开。记住,选项卡可以重新排序,所以仅仅监视拖动事件是不够的 其次,如果窗口关闭(或者即使您想关闭),您需要确定如何“重新停靠”选项卡撤消C/doc选项卡的最佳方法JTabbedPane Java,java,swing,jtabbedpane,Java,Swing,Jtabbedpane,正如标题所示,从JTabbedPane记录/撤消选项卡的最佳方式是什么?类似于在Chrome中拖动一个选项卡,它将打开一个新窗口,然后将其拖回将再次将其放回?这不是一个简单的问题 首先,您需要一个触发器,您可以确定选项卡将要松开。记住,选项卡可以重新排序,所以仅仅监视拖动事件是不够的 其次,如果窗口关闭(或者即使您想关闭),您需要确定如何“重新停靠”选项卡 在这之后,只需将组件从选项卡中移除,然后将visa卡反之亦然放置到框架上即可。我使用MouseMotionListener和MouseSte
在这之后,只需将组件从选项卡中移除,然后将visa卡反之亦然放置到框架上即可。我使用MouseMotionListener和MouseStener实现了这一点。当您将选项卡标题拖动一段相当长的距离时,这将只是取消锁定,当您关闭取消锁定的帧时,将重新锁定它
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Container;
import java.awt.Image;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Window;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.ImageIcon;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.JSpinner;
import javax.swing.JTabbedPane;
import javax.swing.JTextArea;
import javax.swing.JTree;
public class DockableTabbedPane extends JTabbedPane {
private DockableTabbedPane DraggableTabbedPane;
public DockableTabbedPane() {
super();
DraggableTabbedPane = this;
TabDragListener tabDragger = new TabDragListener();
this.addMouseListener(tabDragger);
this.addMouseMotionListener(tabDragger);
}
private class TabDragListener implements MouseListener, MouseMotionListener {
Point p0,p0screen;
Component current;
String title;
public void mousePressed(MouseEvent e) {
p0 = e.getPoint();
for (int i = 0; i < getTabCount(); i++) {
Rectangle bounds = getBoundsAt(i);
if (bounds.contains(p0)) {
current = DockableTabbedPane.this.getComponentAt(i);
title =DockableTabbedPane.this.getTitleAt(i);
p0screen = getLocationOnScreen();
}
}
};
public void mouseDragged(MouseEvent e) {
Point p = e.getPoint();
JFrame frame;
if (current != null) {
// check for a significant drag
if( p.distance(p0)>20){
frame = undock(current,title);
current = null;
}
}
}
public void mouseMoved(MouseEvent arg0) {}
public void mouseClicked(MouseEvent arg0) {}
public void mouseEntered(MouseEvent arg0) {}
public void mouseExited(MouseEvent arg0) {}
public void mouseReleased(MouseEvent arg0) {
current=null;
title =null;
}
}
private UndockedFrame undock(Component current,String title) {
Point p = current.getLocationOnScreen();
remove(current);
UndockedFrame frame = new UndockedFrame(current,title);
p.translate(20, 20);
frame.setLocation(p);
frame.setVisible(true);
fireStateChanged();
return frame;
}
private class UndockedFrame extends JFrame {
Component current;
String title;
public UndockedFrame(Component current,String title) {
this.current = current;
this.setTitle(title);
Container content = this.getContentPane();
content.setLayout(new BorderLayout());
content.add(current, BorderLayout.CENTER);
this.setBounds(current.getBounds());
this.addWindowListener(new UndockedFrameListener());
}
public void redock() {
this.dispose();
add(title, current);
}
}
// Redock on close
private class UndockedFrameListener extends WindowAdapter {
public void windowClosing(WindowEvent e) {
Window w = e.getWindow();
if (w instanceof UndockedFrame) {
UndockedFrame frame = (UndockedFrame)w;
frame.redock();
}
}
}
public static void main(String[] args) {
JFrame frame = new JFrame();
DockableTabbedPane pane = new DockableTabbedPane();
pane.add(new JTree(), "Tree 0");
pane.add(new JTextArea(" Hello"), "Tree 1");
pane.add(new JFileChooser(), "Tree 2");
pane.add(new JSpinner(), "Tree 3");
pane.add(new JSlider(),"Tree 4");
frame.getContentPane().add(pane);
frame.setBounds(100, 100, 400, 400);
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.setVisible(true);
}
}
导入java.awt.BorderLayout;
导入java.awt.Component;
导入java.awt.Container;
导入java.awt.Image;
导入java.awt.Point;
导入java.awt.Rectangle;
导入java.awt.Window;
导入java.awt.event.MouseEvent;
导入java.awt.event.MouseListener;
导入java.awt.event.MouseMotionListener;
导入java.awt.event.WindowAdapter;
导入java.awt.event.WindowEvent;
导入javax.swing.ImageIcon;
导入javax.swing.JFileChooser;
导入javax.swing.JFrame;
导入javax.swing.JPanel;
导入javax.swing.JSlider;
导入javax.swing.JSpinner;
导入javax.swing.JTabbedPane;
导入javax.swing.JTextArea;
导入javax.swing.JTree;
公共类DockableTabbedPane扩展了JTabbedPane{
专用可停靠选项卡窗格玻璃;
公共可停靠AbbedPane(){
超级();
DraggableTabbedPane=this;
TabDragListener tabDragger=新的TabDragListener();
这是addMouseListener(tabDragger);
this.addMouseMotionListener(tabDragger);
}
私有类TabDragListener实现MouseListener、MouseMotionListener{
p0点,p0点;
分量电流;
字符串标题;
公共无效鼠标按下(MouseEvent e){
p0=e.getPoint();
for(int i=0;i20){
帧=取消锁定(当前,标题);
电流=零;
}
}
}
public void mouseMoved(MouseEvent arg0){}
public void mouseClicked(MouseEvent arg0){}
public void mouseEntered(MouseEvent arg0){}
public void mouseExited(MouseEvent arg0){}
公共无效MouseEvent arg0{
电流=零;
title=null;
}
}
私有解除锁定帧解除锁定(组件当前,字符串标题){
点p=当前.getLocationOnScreen();
移除(当前);
UndockedFrame frame=新UndockedFrame(当前,标题);
p、 翻译(20,20);
帧设置位置(p);
frame.setVisible(true);
fireStateChanged();
返回框;
}
私有类UndockedFrame扩展了JFrame{
分量电流;
字符串标题;
公共解除锁定帧(组件当前,字符串标题){
这个电流=电流;
这个.setTitle(title);
容器内容=this.getContentPane();
setLayout(新的BorderLayout());
添加(当前,BorderLayout.CENTER);
this.setBounds(current.getBounds());
this.addWindowListener(新的UndockedFrameListener());
}
公共无效redock(){
这个。dispose();
添加(标题,当前);
}
}
//关闭时重做
私有类UndockedFrameListener扩展了WindowAdapter{
公共无效窗口关闭(WindowEvent e){
窗口w=e.getWindow();
if(带未连接帧的实例){
UndockedFrame frame=(UndockedFrame)w;
frame.redock();
}
}
}
公共静态void main(字符串[]args){
JFrame=新JFrame();
DockableTabbedPane=新的DockableTabbedPane();
添加(新JTree(),“树0”);
添加(新JTextArea(“Hello”),“tree1”);
添加(新的JFileChooser(),“树2”);
添加(新的JSpinner(),“树3”);
添加(新的JSlider(),“树4”);
frame.getContentPane().add(窗格);
机架立根(100100400400);
frame.addWindowListener(新的WindowAdapter(){
公共无效窗口关闭(WindowEvent e){
系统出口(0);
}
});
frame.setVisible(true);
}
}