Java 网格锁大小
我是JavaSwing新手,正在从事一个项目来帮助我更加熟悉它。我注意到,在更改标签文本时,Java 网格锁大小,java,swing,layout-manager,gridbaglayout,Java,Swing,Layout Manager,Gridbaglayout,我是JavaSwing新手,正在从事一个项目来帮助我更加熟悉它。我注意到,在更改标签文本时,GridBagLayout中的单元格增加/减少(可以通过调整边界大小来判断)。我想知道是否有办法锁定ipad的大小,这样它就不会改变(设置后)。有没有办法锁定ipad的大小 下面是一些图片,你可以看到我在说什么 之前: 之后: 请注意,当输入一个数字时,标签是如何收缩的。如果输入两位数,标签将展开(大于“--”标签) 代码如下: import javax.swing.*; import javax.s
GridBagLayou
t中的单元格增加/减少(可以通过调整边界大小来判断)。我想知道是否有办法锁定ipad
的大小,这样它就不会改变(设置后)。有没有办法锁定ipad的大小
下面是一些图片,你可以看到我在说什么
之前:
之后:
请注意,当输入一个数字时,标签是如何收缩的。如果输入两位数,标签将展开(大于“--”标签)
代码如下:
import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.border.TitledBorder;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class StartGuiTest extends JFrame implements ActionListener {
private static final int unselectedDefaultElement = 0;
private static final String unselectedLvl = "- -";
private static final int maxLvl = 99;
private static final String[] GuiCharSel = {"--- Select Character ---", "Cloud", "Barret", "Tifa", "Aeris", "Red XIII", "Yuffie", "Cait Sith", "Vincent", "Cid"};
private String[] lvlRange = createArrRange(unselectedLvl, 1, maxLvl);
/*
* Interactive GUI Objects
*/
JLabel charPic;
JComboBox charSelCombo = new JComboBox(GuiCharSel);
JComboBox pickLvlAns = new JComboBox(lvlRange);
JLabel nextLvlAns = new JLabel(unselectedLvl);
public StartGuiTest() {
JPanel topFrame = new JPanel();
JPanel bottomFrame = new JPanel();
JPanel selPane = new JPanel();
JLabel pickLvl = new JLabel("Pick Current Level:");
JLabel nextLvl = new JLabel("Next Level:");
TitledBorder topFrameTitle;
Border blackLine = BorderFactory.createLineBorder(Color.black);
Border raisedBevel = BorderFactory.createRaisedBevelBorder();
Border loweredBevel = BorderFactory.createLoweredBevelBorder();
Border compound = BorderFactory.createCompoundBorder(raisedBevel, loweredBevel);
topFrameTitle = BorderFactory.createTitledBorder(compound, "Character");
topFrameTitle.setTitleJustification(TitledBorder.CENTER);
topFrame.setBorder(topFrameTitle);
topFrame.setLayout(new BoxLayout(topFrame, BoxLayout.X_AXIS));
/*
* Adds Character Picture
*/
charPic = new JLabel("", null, JLabel.CENTER);
charPic.setPreferredSize(new Dimension(100,100));
topFrame.add(charPic);
//*******************************************************************************
/*
* Selection Pane Settings
*/
selPane.setLayout(new GridBagLayout());
/*
* Adds Character Selection ComboBox
*/
charSelCombo.setPrototypeDisplayValue(charSelCombo.getItemAt(unselectedDefaultElement));
selPane.add(charSelCombo, setGbc(0,0, 0, 0, "WEST", 0, 1, setInsets(0, 10, 0, 0)));
charSelCombo.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
charSelCombo.removeItem(GuiCharSel[unselectedDefaultElement]);
pickLvlAns.removeItem(lvlRange[unselectedDefaultElement]);
}
}
);
/*
* Adds "Pick Current Level:" Label
*/
selPane.add(pickLvl, setGbc(0,1, 0, 0, "EAST", 0, 1, setInsets(0, 0, 0, 0)));
/*
* Adds Character Current Level ComboBox
*/
pickLvlAns.setPrototypeDisplayValue(pickLvlAns.getItemAt(lvlRange.length - 1));
selPane.add(pickLvlAns, setGbc(1,1, 0, 0, "WEST", 1, 1, setInsets(0, 10, 0, 0)));
pickLvlAns.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
String currLvl = ((JComboBox)(e.getSource())).getSelectedItem().toString();
if(isInteger(currLvl)){
if (Integer.parseInt(currLvl) == maxLvl){
nextLvlAns.setText(unselectedLvl);
} else {
nextLvlAns.setText(Integer.toString(Integer.parseInt(currLvl) + 1));
}
} else {
nextLvlAns.setText(unselectedLvl);
}
}
}
);
/*
* Adds "Next Level:" Label
*/
selPane.add(nextLvl, setGbc(0,2, 0, 0, "EAST", 0, 1, setInsets(0, 0, 0, 0)));
/*
* Adds Character Next Level Label
*/
nextLvlAns.setBorder(blackLine);
nextLvlAns.setHorizontalAlignment(JLabel.CENTER);
selPane.add(nextLvlAns, setGbc(1,2, 28, 5, "WEST", 1, 1, setInsets(0, 10, 0, 0)));
//*******************************************************************************
topFrame.add(selPane);
//*******************************************************************************
/*
* BOTTOM PANE
*/
TitledBorder bottomFrameTitle;
bottomFrameTitle = BorderFactory.createTitledBorder(compound, "Stats");
bottomFrameTitle.setTitleJustification(TitledBorder.CENTER);
bottomFrame.setBorder(bottomFrameTitle);
//*******************************************************************************
/*
* Display everything in GUI to user
*/
add(topFrame, BorderLayout.NORTH);
add(bottomFrame,BorderLayout.CENTER);
setSize(800,600);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public void actionPerformed(ActionEvent arg0) {
}
private GridBagConstraints setGbc(int gridx, int gridy, int ipadx, int ipady, String anchorLocation, double weightx, double weighty, Insets insets){
GridBagConstraints gbc = new GridBagConstraints();
if (anchorLocation.toUpperCase().equals("NORTHWEST")){
gbc.anchor = GridBagConstraints.NORTHWEST;
} else if (anchorLocation.toUpperCase().equals("NORTH")){
gbc.anchor = GridBagConstraints.NORTH;
} else if (anchorLocation.toUpperCase().equals("NORTHEAST")){
gbc.anchor = GridBagConstraints.NORTHEAST;
} else if (anchorLocation.toUpperCase().equals("WEST")){
gbc.anchor = GridBagConstraints.WEST;
} else if (anchorLocation.toUpperCase().equals("EAST")){
gbc.anchor = GridBagConstraints.EAST;
} else if (anchorLocation.toUpperCase().equals("SOUTHWEST")){
gbc.anchor = GridBagConstraints.SOUTHWEST;
} else if (anchorLocation.toUpperCase().equals("SOUTH")){
gbc.anchor = GridBagConstraints.SOUTH;
} else if (anchorLocation.toUpperCase().equals("SOUTHEAST")){
gbc.anchor = GridBagConstraints.SOUTHEAST;
} else {
gbc.anchor = GridBagConstraints.CENTER;
}
gbc.gridx = gridx;
gbc.gridy = gridy;
gbc.ipadx = ipadx;
gbc.ipady = ipady;
gbc.weightx = weightx;
gbc.weighty = weighty;
gbc.insets = insets;
return gbc;
}
private Insets setInsets(int top, int left, int bottom, int right){
Insets insets = new Insets(top,left,bottom,right);
return insets;
}
protected static String[] createArrRange(String firstElement, int startNum, int endNum) {
String[] strArr = new String[endNum+1];
strArr[0] = firstElement;
for (int num = startNum, element = 1; num <= endNum; num++, element++){
strArr[element] = Integer.toString(num);
}
return strArr;
}
public static boolean isInteger(String s) {
try {
Integer.parseInt(s);
} catch(NumberFormatException e) {
return false;
} catch(NullPointerException e) {
return false;
}
// only got here if we didn't return false
return true;
}
public static void main(String[] args) {
new StartGuiTest();
}
}
import javax.swing.*;
导入javax.swing.border.border;
导入javax.swing.border.TitledBorder;
导入java.awt.*;
导入java.awt.event.ActionEvent;
导入java.awt.event.ActionListener;
公共类StartGuiTest扩展JFrame实现ActionListener{
私有静态final int unselectedDefaultElement=0;
私有静态最终字符串未选中lvl=“-”;
私有静态最终整数maxLvl=99;
私有静态最终字符串[]GuiCharSel={“--选择字符----”、“云”、“巴雷特”、“Tifa”、“艾里斯”、“红色XIII”、“尤菲”、“凯特西斯”、“文森特”、“Cid”};
私有字符串[]lvlRange=createArrRange(未选择的lvl,1,maxLvl);
/*
*交互式GUI对象
*/
JLabel-charPic;
JComboBox charSelCombo=新的JComboBox(GuiCharSel);
jCOMBOX pickLvlAns=新的jCOMBOX(lvlRange);
JLabel nextlvans=新的JLabel(未选择的lvl);
公共StartGuiTest(){
JPanel topFrame=新的JPanel();
JPanel bottomFrame=新的JPanel();
JPanel selPane=新的JPanel();
JLabel pickLvl=新的JLabel(“拾取当前电平:”);
JLabel nextLvl=新JLabel(“下一级:”);
标题边框topFrameTitle;
Border blackLine=BorderFactory.createLineBorder(Color.black);
Border Raised斜面=BorderFactory.CreateRaisedBevelOrder();
Border Lowered斜面=BorderFactory.CreateLoweredBevelOrder();
Border compound=BorderFactory.CreateCompondeBorder(上升斜面,下降斜面);
topFrameTitle=BorderFactory.createTitleBorder(复合词,“字符”);
topFrameTitle.setTitleJustification(TitleBorder.CENTER);
topFrame.setOrder(topFrameTitle);
topFrame.setLayout(新的BoxLayout(topFrame,BoxLayout.X_轴));
/*
*添加字符图片
*/
charPic=newjlabel(“”,null,JLabel.CENTER);
charPic.setPreferredSize(新尺寸(100100));
顶框。添加(charPic);
//*******************************************************************************
/*
*选择窗格设置
*/
setLayout(新的GridBagLayout());
/*
*添加字符选择组合框
*/
charSelCombo.setPrototypeDisplayValue(charSelCombo.getItemAt(unselectedDefaultElement));
添加(charSelCombo,setGbc(0,0,0,0,“西”,0,1,setInsets(0,10,0,0));
charSelCombo.addActionListener(
新建ActionListener(){
已执行的公共无效操作(操作事件e){
charSelCombo.removietem(GuiCharSel[unselectedDefaultElement]);
pickLvlAns.removietem(lvlRange[unselectedDefaultElement]);
}
}
);
/*
*添加“拾取当前级别:”标签
*/
添加(pickLvl,setGbc(0,1,0,0,“东”,0,1,setInsets(0,0,0,0));
/*
*在当前级别组合框中添加字符
*/
setPrototypeDisplayValue(pickLvlAns.getItemAt(lvlRange.length-1));
添加(pickLvlAns,setGbc(1,1,0,0,“西”,1,1,setInsets(0,10,0,0));
pickLvlAns.addActionListener(
新建ActionListener(){
已执行的公共无效操作(操作事件e){
字符串currLvl=((JComboBox)(e.getSource()).getSelectedItem().toString();
if(isInteger(电流)){
if(Integer.parseInt(currLvl)=maxLvl){
nextlvans.setText(未选择的LVL);
}否则{
setText(Integer.toString(Integer.parseInt(currlvll)+1));
}
}否则{
nextlvans.setText(未选择的LVL);
}
}
}
);
/*
*添加“下一级:”标签
*/
添加(nextLvl,setGbc(0,2,0,0,“东”,0,1,setInsets(0,0,0,0));
/*
*添加字符下一级标签
*/
nextLvlAns.setboorder(黑线);
nextLvlAns.setHorizontalAlignment(JLabel.CENTER);
添加(nextLvlAns,setGbc(1,2,28,5,“WEST”,1,1,setInsets(0,10,0,0));
//*******************************************************************************
topFrame.add(选择窗格);
//*******************************************************************************
/*
*底部窗格
*/
标题边框框标题;
bottomFrameTitle=BorderFactory.createTitleBorder(复合,“Stats”);
bottomFrameTitle.setTitleJustification(TitleBorder.CENTER);
bottomFrame.setOrder(bottomFrameTitle);
//*******************************************************************************
/*
*在GUI中向用户显示所有内容
*/
添加(顶框,边框布局。北);
添加(底部框架、边框布局、中心);
设置大小(800600);
setVisible(真);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
已执行的公共无效操作(操作事件arg0){
}
私有网格常数
JTextField nextLvlAns = new JTextField(unselectedLvl, 3);
//...
nextLvlAns.setEditable(false);