GridBagLayout的布局问题

jt_linalam 2010-04-10 11:48:07
各位大虾，帮忙找找问题吧，我对了一天都没有想清楚原因

//没有添加表格之前，GridBagLayout的分布就按照我的意思来分，2：3的布局

import javax.swing.JPanel;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.Rectangle;
import javax.swing.JTable;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.table.DefaultTableModel;
import java.sql.SQLException;
import javax.swing.JToolBar;
import javax.swing.JLabel;

public class Model_Main {

private static final long serialVersionUID = 1L;
private static Model_Main s=null; // @jve:decl-index=0:
public JScrollPane user_Scroll = null; // @jve:decl-index=0:visual-constraint="30,134"
public JTable Ggood_table = null;
public JFrame Ggood_frame=new JFrame("模具"); // @jve:decl-index=0:visual-constraint="38,62"
int cols=0,rows=0,cols1=0,rows1=0;
//Dimension screensize=user_frame.getToolkit().getScreenSize(); // @jve:decl-index=0:
String head[]={"模具编码","模具名称","规格","重量","单位","归属地","备注"}; // @jve:decl-index=0:
String head1[]={"项目","颜色","材料","啤重","物料编码","物料名称","物料规格","单位","产出","净重","备注","归属","啤备注"};
String fix_head[]={"行号"};
Dimension screensize=Ggood_frame.getToolkit().getScreenSize();
Insets screenInsets =Ggood_frame.getToolkit().getScreenInsets(Ggood_frame.getGraphicsConfiguration());
Rectangle reg=new Rectangle(screenInsets.left,screenInsets.top,screensize.width-screenInsets.left-screenInsets.right,
screensize.height - screenInsets.top-screenInsets.bottom); // @jve:decl-index=0:
//建立以user_frame作为父窗口，userpanel作为放置子窗口的容器
private JToolBar StatusBar = null;
private JLabel label_user = null;
private JLabel ll = null;
DefaultTableModel dtm1=null,fix_dtm1=null,fix_dtm2=null,dtm=null;//jtable的表格容器
private JScrollPane jScrollPane = null; // @jve:decl-index=0:visual-constraint="161,468"
public JTable f_good_table = null;
private JTable fix_table1 = null; // @jve:decl-index=0:visual-constraint="76,136"
private JTable fix_table2 = null; // @jve:decl-index=0:visual-constraint="74,206"
//按钮字体
Font ft=new Font("SansSerif", Font.PLAIN,12);
//DefaultTableModel dtm
/**
* This is the default constructor
*/
public Model_Main() throws SQLException {
GridBagLayout gbl=new GridBagLayout();
GridBagConstraints gc=new GridBagConstraints();
make_button(Ggood_frame,gbl,gc);
Ggood_frame.setLayout(gbl);
Ggood_frame.setSize(reg.width,reg.height);
Ggood_frame.setVisible(true);
Ggood_frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
}
//添加按钮菜单
public void make_button(JFrame jframe,GridBagLayout gbl,GridBagConstraints gc){
gc.fill=GridBagConstraints.BOTH;//在水平和垂直方向同时调整控件的大小
//添加JPanel控件
JPanel userpanel=new JPanel ();
gc.weighty=1;
gc.weightx=1;
gbl.setConstraints(userpanel,gc);
jframe.add(userpanel);
//userpanel的另外的网格布袋布局
GridBagLayout gbl1=new GridBagLayout();
GridBagConstraints gbc=new GridBagConstraints();
gbc.fill=GridBagConstraints.BOTH;
gbc.weightx=1;
gbc.weighty=1;
userpanel.setLayout(gbl1);
add_table(userpanel,gbl1,gbc);

}
//添加表格
private void add_table(JPanel jpanel,GridBagLayout gbl,GridBagConstraints gcs){
//第一个面板
gcs.fill=GridBagConstraints.BOTH;
gcs.weightx=2;
gcs.weighty=11;
getUser_Scroll();
gbl.setConstraints(user_Scroll, gcs);
jpanel.add(user_Scroll);
gcs.weightx=3;
gcs.gridwidth=GridBagConstraints.REMAINDER;
getJScrollPane();
gbl.setConstraints(jScrollPane,gcs);
jpanel.add(jScrollPane);


}

/**
* This method initializes user_Scroll
*
* @return javax.swing.JScrollPane
*/
private JScrollPane getUser_Scroll() {
if (user_Scroll == null) {
user_Scroll = new JScrollPane();
}
return user_Scroll;
}

/**
* This method initializes Ggood_table
*
* @return javax.swing.JTable
*/
private JTable getGgood_table() {
int j=0,k=0;
if (Ggood_table == null) {
rows=0;
String data[][]=new String[rows][cols];
String data1[][]=new String[rows][fix_head.length];
dtm=new DefaultTableModel(data,head);
fix_dtm1=new DefaultTableModel(data1,fix_head);
//设置表格不可编辑
Ggood_table=new JTable(dtm){
public boolean isCellEditable(int col,int row){
return (col==-1);

}
};
Ggood_table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
Ggood_table.getColumn("模具编码").setPreferredWidth(110);
Ggood_table.getColumn("规格").setPreferredWidth(150);
Ggood_table.getTableHeader().setReorderingAllowed(false);
}
return Ggood_table;
}
//模具表格与固定列同步
public void checkSelection(boolean isFixedTable){
int fixedSelectedIndex = fix_table1.getSelectedRow();
int selectedIndex =Ggood_table.getSelectedRow();
if(fixedSelectedIndex ==-1){
fixedSelectedIndex =0;
}
if(selectedIndex ==-1){
selectedIndex =0;
}
if (fixedSelectedIndex != selectedIndex) {
if (isFixedTable) {
Ggood_table.setRowSelectionInterval(fixedSelectedIndex,
fixedSelectedIndex);
} else {
fix_table1
.setRowSelectionInterval(selectedIndex, selectedIndex);
}
}
}
//物料表格同步
public void checkSelection1(boolean isFixedTable){
int fixedSelectedIndex = fix_table2.getSelectedRow();
int selectedIndex =f_good_table.getSelectedRow();
if(fixedSelectedIndex ==-1){
fixedSelectedIndex =0;
}
if(selectedIndex ==-1){
selectedIndex =0;
}
if (fixedSelectedIndex != selectedIndex) {
if (isFixedTable) {
f_good_table.setRowSelectionInterval(fixedSelectedIndex,
fixedSelectedIndex);
} else {
fix_table2
.setRowSelectionInterval(selectedIndex, selectedIndex);
}
}
}
synchronized public static Model_Main getInstance(){
if(s==null){
try {
s=new Model_Main();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
else{
s.Ggood_frame.toFront();//窗口获得焦点
//窗口最小化，则复原

if (s.Ggood_frame.getExtendedState() == JFrame.ICONIFIED) {
s.Ggood_frame.setExtendedState(JFrame.NORMAL);
}
}
return s;

}

private JScrollPane getJScrollPane() {
if (jScrollPane == null) {
jScrollPane = new JScrollPane();

}
return jScrollPane;
}

/**
* This method initializes f_good_table
*
* @return javax.swing.JTable
*/
private JTable getF_good_table() {
if (f_good_table == null) {
rows=0;
String data[][]=new String[rows][head1.length];
String data1[][]=new String[rows][fix_head.length];
dtm1=new DefaultTableModel(data,head1);
fix_dtm2=new DefaultTableModel(data1,fix_head);
f_good_table = new JTable(dtm1){
public boolean isCellEditable(int col,int row){
return (col==-1);

}
};
f_good_table.getColumn("物料编码").setPreferredWidth(90);

f_good_table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
f_good_table.getSelectionModel().addListSelectionListener(
new ListSelectionListener() {
public void valueChanged(ListSelectionEvent arg0) {
checkSelection1(false);
}
});
/*}catch(SQLException e1){
e1.printStackTrace();
}*/

}
return f_good_table;
}
private JTable getFix_table1(DefaultTableModel dtm) {
if (fix_table1 == null) {
fix_table1 = new JTable(dtm);
fix_table1.setSize(new Dimension(137, 47));
fix_table1.getColumn("行号").setPreferredWidth(38);
fix_table1.getSelectionModel().addListSelectionListener(
new ListSelectionListener() {
public void valueChanged(ListSelectionEvent arg0) {
checkSelection(true);
}
});
}
return fix_table1;
}

/**
* This method initializes fix_table2
*
* @return javax.swing.JTable
*/
private JTable getFix_table2(DefaultTableModel dtm) {
if (fix_table2 == null) {
fix_table2 = new JTable(dtm);
fix_table2.setSize(new Dimension(161, 54));
fix_table2.getColumn("行号").setPreferredWidth(38);
fix_table2.getSelectionModel().addListSelectionListener(
new ListSelectionListener() {
public void valueChanged(ListSelectionEvent arg0) {
checkSelection1(true);
}
});
}
return fix_table2;
}
public static void main(String args[]){
try {
new Model_Main();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

}


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qqbz 2010-04-10
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java的布局比较麻烦.它是根据所包含的容器以及相互之间关系来显示的.
需要仔细调试.
hytdsky 2010-04-10
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在表格布局最近

gridData.horizontalSpan =3; //水平占三个格

gridData.verticalSpan = 3; //水平占三个格

看你的需要了 可以解决你的问题的
jt_linalam 2010-04-10
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//添加表格之后，GridBagLayout就变成对等分了。

import javax.swing.JPanel;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.Rectangle;
import javax.swing.JTable;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.table.DefaultTableModel;
import java.sql.SQLException;
import javax.swing.JToolBar;
import javax.swing.JLabel;

public class Model_Main {

private static final long serialVersionUID = 1L;
private static Model_Main s=null; // @jve:decl-index=0:
public JScrollPane user_Scroll = null; // @jve:decl-index=0:visual-constraint="30,134"
public JTable Ggood_table = null;
public JFrame Ggood_frame=new JFrame("模具"); // @jve:decl-index=0:visual-constraint="38,62"
int cols=0,rows=0,cols1=0,rows1=0;
//Dimension screensize=user_frame.getToolkit().getScreenSize(); // @jve:decl-index=0:
String head[]={"模具编码","模具名称","规格","重量","单位","归属地","备注"}; // @jve:decl-index=0:
String head1[]={"项目","颜色","材料","啤重","物料编码","物料名称","物料规格","单位","产出","净重","备注","归属","啤备注"};
String fix_head[]={"行号"};
Dimension screensize=Ggood_frame.getToolkit().getScreenSize();
Insets screenInsets =Ggood_frame.getToolkit().getScreenInsets(Ggood_frame.getGraphicsConfiguration());
Rectangle reg=new Rectangle(screenInsets.left,screenInsets.top,screensize.width-screenInsets.left-screenInsets.right,
screensize.height - screenInsets.top-screenInsets.bottom); // @jve:decl-index=0:
//建立以user_frame作为父窗口，userpanel作为放置子窗口的容器
private JToolBar StatusBar = null;
private JLabel label_user = null;
private JLabel ll = null;
DefaultTableModel dtm1=null,fix_dtm1=null,fix_dtm2=null,dtm=null;//jtable的表格容器
private JScrollPane jScrollPane = null; // @jve:decl-index=0:visual-constraint="161,468"
public JTable f_good_table = null;
private JTable fix_table1 = null; // @jve:decl-index=0:visual-constraint="76,136"
private JTable fix_table2 = null; // @jve:decl-index=0:visual-constraint="74,206"
//按钮字体
Font ft=new Font("SansSerif", Font.PLAIN,12);
//DefaultTableModel dtm
/**
* This is the default constructor
*/
public Model_Main() throws SQLException {
GridBagLayout gbl=new GridBagLayout();
GridBagConstraints gc=new GridBagConstraints();
make_button(Ggood_frame,gbl,gc);
Ggood_frame.setLayout(gbl);
Ggood_frame.setSize(reg.width,reg.height);
Ggood_frame.setVisible(true);
Ggood_frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
}
//添加按钮菜单
public void make_button(JFrame jframe,GridBagLayout gbl,GridBagConstraints gc){
gc.fill=GridBagConstraints.BOTH;//在水平和垂直方向同时调整控件的大小
//添加JPanel控件
JPanel userpanel=new JPanel ();
gc.weighty=1;
gc.weightx=1;
gbl.setConstraints(userpanel,gc);
jframe.add(userpanel);
//userpanel的另外的网格布袋布局
GridBagLayout gbl1=new GridBagLayout();
GridBagConstraints gbc=new GridBagConstraints();
gbc.fill=GridBagConstraints.BOTH;
gbc.weightx=1;
gbc.weighty=1;
userpanel.setLayout(gbl1);
add_table(userpanel,gbl1,gbc);

}
//添加表格
private void add_table(JPanel jpanel,GridBagLayout gbl,GridBagConstraints gcs){
//第一个面板
gcs.fill=GridBagConstraints.BOTH;
gcs.weightx=2;
gcs.weighty=11;
getUser_Scroll();
gbl.setConstraints(user_Scroll, gcs);
jpanel.add(user_Scroll);
gcs.weightx=3;
gcs.gridwidth=GridBagConstraints.REMAINDER;
getJScrollPane();
gbl.setConstraints(jScrollPane,gcs);
jpanel.add(jScrollPane);


}

/**
* This method initializes user_Scroll
*
* @return javax.swing.JScrollPane
*/
private JScrollPane getUser_Scroll() {
if (user_Scroll == null) {
user_Scroll = new JScrollPane();
//添加表格
user_Scroll.setViewportView(getGgood_table());
JViewport viewport=new JViewport();
viewport.setView(getFix_table1(fix_dtm1));
viewport.setPreferredSize(fix_table1.getPreferredSize());
user_Scroll.setRowHeader(viewport);
user_Scroll.setCorner(JScrollPane.UPPER_LEADING_CORNER,fix_table1.getTableHeader());
}
return user_Scroll;
}

/**
* This method initializes Ggood_table
*
* @return javax.swing.JTable
*/
private JTable getGgood_table() {
int j=0,k=0;
if (Ggood_table == null) {
rows=0;
String data[][]=new String[rows][cols];
String data1[][]=new String[rows][fix_head.length];
dtm=new DefaultTableModel(data,head);
fix_dtm1=new DefaultTableModel(data1,fix_head);
//设置表格不可编辑
Ggood_table=new JTable(dtm){
public boolean isCellEditable(int col,int row){
return (col==-1);

}
};
Ggood_table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
Ggood_table.getColumn("模具编码").setPreferredWidth(110);
Ggood_table.getColumn("规格").setPreferredWidth(150);
Ggood_table.getTableHeader().setReorderingAllowed(false);
}
return Ggood_table;
}
//模具表格与固定列同步
public void checkSelection(boolean isFixedTable){
int fixedSelectedIndex = fix_table1.getSelectedRow();
int selectedIndex =Ggood_table.getSelectedRow();
if(fixedSelectedIndex ==-1){
fixedSelectedIndex =0;
}
if(selectedIndex ==-1){
selectedIndex =0;
}
if (fixedSelectedIndex != selectedIndex) {
if (isFixedTable) {
Ggood_table.setRowSelectionInterval(fixedSelectedIndex,
fixedSelectedIndex);
} else {
fix_table1
.setRowSelectionInterval(selectedIndex, selectedIndex);
}
}
}
//物料表格同步
public void checkSelection1(boolean isFixedTable){
int fixedSelectedIndex = fix_table2.getSelectedRow();
int selectedIndex =f_good_table.getSelectedRow();
if(fixedSelectedIndex ==-1){
fixedSelectedIndex =0;
}
if(selectedIndex ==-1){
selectedIndex =0;
}
if (fixedSelectedIndex != selectedIndex) {
if (isFixedTable) {
f_good_table.setRowSelectionInterval(fixedSelectedIndex,
fixedSelectedIndex);
} else {
fix_table2
.setRowSelectionInterval(selectedIndex, selectedIndex);
}
}
}
synchronized public static Model_Main getInstance(){
if(s==null){
try {
s=new Model_Main();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
else{
s.Ggood_frame.toFront();//窗口获得焦点
//窗口最小化，则复原

if (s.Ggood_frame.getExtendedState() == JFrame.ICONIFIED) {
s.Ggood_frame.setExtendedState(JFrame.NORMAL);
}
}
return s;

}

private JScrollPane getJScrollPane() {
if (jScrollPane == null) {
jScrollPane = new JScrollPane();
//添加表格
jScrollPane.setViewportView(getF_good_table());
JViewport viewport=new JViewport();
viewport.setView(getFix_table2(fix_dtm2));
viewport.setPreferredSize(fix_table2.getPreferredSize());
jScrollPane.setRowHeader(viewport);
jScrollPane.setCorner(JScrollPane.UPPER_LEADING_CORNER,fix_table2.getTableHeader());

}
return jScrollPane;
}

/**
* This method initializes f_good_table
*
* @return javax.swing.JTable
*/
private JTable getF_good_table() {
if (f_good_table == null) {
rows=0;
String data[][]=new String[rows][head1.length];
String data1[][]=new String[rows][fix_head.length];
dtm1=new DefaultTableModel(data,head1);
fix_dtm2=new DefaultTableModel(data1,fix_head);
f_good_table = new JTable(dtm1){
public boolean isCellEditable(int col,int row){
return (col==-1);

}
};
f_good_table.getColumn("物料编码").setPreferredWidth(90);

f_good_table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
f_good_table.getSelectionModel().addListSelectionListener(
new ListSelectionListener() {
public void valueChanged(ListSelectionEvent arg0) {
checkSelection1(false);
}
});
/*}catch(SQLException e1){
e1.printStackTrace();
}*/

}
return f_good_table;
}
private JTable getFix_table1(DefaultTableModel dtm) {
if (fix_table1 == null) {
fix_table1 = new JTable(dtm);
fix_table1.setSize(new Dimension(137, 47));
fix_table1.getColumn("行号").setPreferredWidth(38);
fix_table1.getSelectionModel().addListSelectionListener(
new ListSelectionListener() {
public void valueChanged(ListSelectionEvent arg0) {
checkSelection(true);
}
});
}
return fix_table1;
}

/**
* This method initializes fix_table2
*
* @return javax.swing.JTable
*/
private JTable getFix_table2(DefaultTableModel dtm) {
if (fix_table2 == null) {
fix_table2 = new JTable(dtm);
fix_table2.setSize(new Dimension(161, 54));
fix_table2.getColumn("行号").setPreferredWidth(38);
fix_table2.getSelectionModel().addListSelectionListener(
new ListSelectionListener() {
public void valueChanged(ListSelectionEvent arg0) {
checkSelection1(true);
}
});
}
return fix_table2;
}
public static void main(String args[]){
try {
new Model_Main();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

}
jt_linalam 2010-04-10
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hytdsky，你说的是SWT,我是用SWING。SWING的GridBagLayout的布局
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