有人告訴我一個方法來繪製到一個JFrame,並在代碼工作正常,但現在我有標籤不畫到他們....drawLine沒有圖紙到JTabbedPane中(Java)的
對不起,臃腫的代碼blurge但我需要油漆/的drawLine在我的選項卡式實例工作...
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.io.*;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Line2D;
public class GUI extends JTabbedPane implements ActionListener
{
static JFrame aWindow = new JFrame("Project");
JTabbedPane myTabs = new JTabbedPane();
JPanel loginMainPanel = new JPanel();
JPanel displayMainPanel = new JPanel();
JPanel editMainPanel = new JPanel();
JTextField myText1 = new JTextField("");
JTextField myText2 = new JTextField("");
JTextField myText3 = new JTextField("");
JLabel loginLabel = new JLabel("Username:");
JTextField loginField = new JTextField();
JLabel loginLabel2 = new JLabel("Password:");
JPasswordField loginPass = new JPasswordField();
JButton displayButton = new JButton("Load Data");
JButton loginButton = new JButton("Login");
JLabel editLabel = new JLabel("Write:");
JTextArea editArea = new JTextArea();
public GUI()
{
Toolkit theKit = aWindow.getToolkit();
Dimension wndSize = theKit.getScreenSize();
aWindow.setBounds(wndSize.width/3, wndSize.height/3, 250, 250);
aWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
GridLayout grid = new GridLayout(1,1);
Container content = aWindow.getContentPane();
content.setLayout(grid);
createLoginPanel();
createDisplayPanel();
createEditPanel();
myTabs.addTab("Login", loginMainPanel);
myTabs.addTab("Main Menu", displayMainPanel);
myTabs.addTab("Setting", editMainPanel);
myTabs.setSelectedIndex(0);
myTabs.setEnabledAt(1,false);
myTabs.setEnabledAt(2,false);
content.add(myTabs);
aWindow.setVisible(true);
}
public void createLoginPanel()
{
loginMainPanel.setLayout(null);
loginLabel.setBounds(10, 15, 150, 20);
loginMainPanel.add(loginLabel);
loginField.setBounds(10, 35, 150, 20);
loginMainPanel.add(loginField);
loginLabel2.setBounds(10, 60, 150, 20);
loginMainPanel.add(loginLabel2);
loginPass.setBounds(10, 80, 150, 20);
loginMainPanel.add(loginPass);
loginButton.addActionListener(this);
loginButton.setBounds(50, 110, 80, 20);
loginMainPanel.add(loginButton);
}
public void createDisplayPanel()
{
displayMainPanel.setLayout(null);
displayButton.addActionListener(this);
displayButton.setBounds(50, 80, 150, 20);
displayMainPanel.add(displayButton);
myText1.setBounds(50, 170, 200, 30);
myText2.setBounds(50, 140, 200, 30);
myText3.setBounds(50, 110, 200, 30);
displayMainPanel.add(myText1);
displayMainPanel.add(myText2);
displayMainPanel.add(myText3);
}
public void createEditPanel()
{
editMainPanel.setLayout(null);
editLabel.setBounds(10, 15, 150, 20);
editMainPanel.add(editLabel);
editArea.setBounds(10, 65, 150, 50);
editMainPanel.add(editArea);
}
public void actionPerformed(ActionEvent e)
{
if (e.getSource() == loginButton)
{
//myTabs.setSelectedIndex(1);
}
}
public void paint(Graphics g) {
super.paint(g);
int locX = 0;
int locY = 0;
int destX = 210;
int destY = 210;
g.setColor(Color.red);
// draw a line (there is now drawPoint..)
g.drawLine(locX, locY, destX, destY);
}
public static void main(String[] args)
{
GUI tw1 = new GUI();
}
}
任何人都可以找到問題/提供了一個解決方案,因此它會畫畫的標籤在該行(loginMainPanel )?
非常感謝,
好的非常感謝,無論如何,你知道我會怎麼把它放在/任何文本框/按鈕框等?謝謝。 – 2010-11-19 09:17:02
另外,如果我想在程序中稍後提出(不同的合作伙伴),我會如何稱此保護虛擬?即g在/按鈕上單擊 – 2010-11-19 10:07:38
@James,您應該不會在面板上混合使用「LayoutManager」佈局組件的自定義繪圖。對於你的第一個問題,你想要做的是將你的組件放在一個單獨的JPanel上,並將它放在你正在繪製的JPanel下面。 – jjnguy 2010-11-19 14:31:09