Java 谢谢你的回答!你能告诉我我的方法还有什么问题吗?我编写ButtonColumn类是为了快速试用,但我真的不知道如何正确操作,因为我对swing没有太多经验,以前也从未编写过自定义渲染器/编辑器。我在回答中添加了一些内容。谢谢,这段代码真的很有帮助。但它有一
Java 谢谢你的回答!你能告诉我我的方法还有什么问题吗?我编写ButtonColumn类是为了快速试用,但我真的不知道如何正确操作,因为我对swing没有太多经验,以前也从未编写过自定义渲染器/编辑器。我在回答中添加了一些内容。谢谢,这段代码真的很有帮助。但它有一,java,swing,jtable,jbutton,Java,Swing,Jtable,Jbutton,谢谢你的回答!你能告诉我我的方法还有什么问题吗?我编写ButtonColumn类是为了快速试用,但我真的不知道如何正确操作,因为我对swing没有太多经验,以前也从未编写过自定义渲染器/编辑器。我在回答中添加了一些内容。谢谢,这段代码真的很有帮助。但它有一个问题。当我点击单元格时,它经常显示错误的值。有时,它是来自同一行或以前单击过的单元格的另一个单元格的值。我不明白为什么会这样?你知道问题出在哪里吗?如果它能工作,那将是一个完美的解决方案。@MariaM你是说弹出对话框吗?最可能的原因是,我对
谢谢你的回答!你能告诉我我的方法还有什么问题吗?我编写ButtonColumn类是为了快速试用,但我真的不知道如何正确操作,因为我对swing没有太多经验,以前也从未编写过自定义渲染器/编辑器。我在回答中添加了一些内容。谢谢,这段代码真的很有帮助。但它有一个问题。当我点击单元格时,它经常显示错误的值。有时,它是来自同一行或以前单击过的单元格的另一个单元格的值。我不明白为什么会这样?你知道问题出在哪里吗?如果它能工作,那将是一个完美的解决方案。@MariaM你是说弹出对话框吗?最可能的原因是,我对渲染器和编辑器使用了相同的按钮实例,但现在这只是一个猜测……你是对的,我用不同的按钮实例进行了尝试,现在效果非常好。谢谢!谢谢,这段代码真的很有用。但它有一个问题。当我点击单元格时,它经常显示错误的值。有时,它是来自同一行或以前单击过的单元格的另一个单元格的值。我不明白为什么会这样?你知道问题出在哪里吗?如果它能工作,那将是一个完美的解决方案。@MariaM你是说弹出对话框吗?最可能的原因是,我对渲染器和编辑器使用了相同的按钮实例,但现在这只是一个猜测……你是对的,我用不同的按钮实例进行了尝试,现在效果非常好。谢谢!
public class ConnectionPanel extends JFrame{
public ConnectionPanel(){
Object[][] licData = {{"License 1", "0.0.0.0", "connect", "disconnect", ""},{"License 2", "123.123.123", "", "", ""},{"License 3", "42.23.4", "connect", "disconnect", "delete"}};
ConnTableModel licConnModel = new ConnTableModel(licData);
this.setLayout(new MigLayout("", "[grow]", "[][grow][][][][][][][grow][][][][][]"));
this.setSize(new Dimension(500, 300));
JLabel lblLicenses = new JLabel("Licenses");
this.add(lblLicenses, "cell 0 0,growx");
JTable licenseTable = new JTable(licConnModel);
licenseTable.setTableHeader(null);
new ButtonColumn(licenseTable, 2, 0);
new ButtonColumn(licenseTable, 3, 0);
new ButtonColumn(licenseTable, 2, 2);
new ButtonColumn(licenseTable, 3, 2);
new ButtonColumn(licenseTable, 4, 2);
JScrollPane scrollPaneLic = new JScrollPane();
scrollPaneLic.setViewportView(licenseTable);
this.add(scrollPaneLic, "cell 0 1 1 6,grow");
}
public static class ConnTableModel extends AbstractTableModel {
Object[][] data;
public ConnTableModel(Object[][] data){
this.data = data;
}
@Override
public int getRowCount() {
return data.length;
}
@Override
public int getColumnCount() {
return data[0].length;
}
@Override
public Object getValueAt(int rowIndex, int columnIndex) {
return data[rowIndex][columnIndex];
}
public boolean isCellEditable(int rowIndex, int columnIndex) {
if(columnIndex == 2 || columnIndex == 3 || columnIndex == 4) {
return true;
} else {
return false;
}
}
}
class ButtonColumn extends AbstractCellEditor
implements TableCellRenderer, TableCellEditor, ActionListener
{
JTable table;
JButton editButton;
JButton renderButton;
String text;
int showRow;
public ButtonColumn(JTable table, int column, int showRow) {
super();
this.table = table;
this.showRow = showRow;
renderButton = new JButton();
editButton = new JButton();
editButton.setFocusPainted( false );
editButton.addActionListener( this );
TableColumnModel columnModel = table.getColumnModel();
columnModel.getColumn(column).setCellRenderer( this );
columnModel.getColumn(column).setCellEditor( this );
}
@Override
public Object getCellEditorValue() {
return text;
}
@Override
public void actionPerformed(ActionEvent e) {
fireEditingStopped();
if(text.equals("connect")){
System.out.println("conn");
}else if(text.equals("disconnect")){
System.out.println("disc");
}
}
@Override
public Component getTableCellEditorComponent(JTable table, Object value, boolean selected, int row,
int column) {
if(row == showRow){
text = (value == null) ? "" : value.toString();
editButton.setText( text );
return editButton;
}else{
return null;
}
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean selected, boolean hasFocus,
int row, int column) {
if (hasFocus) {
renderButton.setForeground(table.getForeground());
renderButton.setBackground(UIManager.getColor("Button.background"));
} else if (selected) {
renderButton.setForeground(table.getSelectionForeground());
renderButton.setBackground(table.getSelectionBackground());
} else {
renderButton.setForeground(table.getForeground());
renderButton.setBackground(UIManager.getColor("Button.background"));
}
renderButton.setText((value == null) ? "" : value.toString());
if(row == showRow) {
return renderButton;
} else {
return null;
}
}
}
public static void main(String[] args) {
ConnectionPanel con = new ConnectionPanel();
con.setVisible(true);
}
}
new ButtonColumn(licenseTable, 2, 2);
new ButtonColumn(licenseTable, 2, 3);
public class ButtonTableTest {
public static void main(String[] args) {
final Random random = new Random();
DefaultTableModel tableModel = new DefaultTableModel(20, 7) {
@Override
public Class<?> getColumnClass(int arg0) {
// provide the default renderer and editor of String for empty cells
return String.class;
}
@Override
public boolean isCellEditable(int row, int column) {
// do not request the editor for empty cells
return !"".equals(getValueAt(row, column));
}
@Override
public Object getValueAt(int row, int column) {
// some random table content
if (null == super.getValueAt(row, column)) {
int nextInt = random.nextInt(10);
if (nextInt > 5)
super.setValueAt(String.format("cell %dx%d", row, column), row, column);
else
super.setValueAt("", row, column);
}
return super.getValueAt(row, column);
}
@Override
public void setValueAt(Object arg0, int arg1, int arg2) {
// prevent update to NULL
}
};
JTable jTable = new JTable(tableModel);
jTable.setPreferredSize(new Dimension(800, 350));
final JButton jButton = new JButton();
jTable.setDefaultRenderer(String.class, new DefaultTableCellRenderer() {
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected,
boolean hasFocus, int row, int column) {
Component tableCellRendererComponent = super.getTableCellRendererComponent(table, value, isSelected,
hasFocus, row, column);
if ("".equals(value)) {
// default renderer for empty cells
return tableCellRendererComponent;
} else {
jButton.setAction(createSameActionForEditorAndRenderer(table, value));
return jButton;
}
}
});
jTable.setDefaultEditor(String.class, new DefaultCellEditor(new JCheckBox()) { // JCheckBox is closest to a button...
@Override
public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row,
int column) {
Component tableCellEditorComponent = super.getTableCellEditorComponent(table, value, isSelected, row,
column);
jButton.setAction(createSameActionForEditorAndRenderer(jTable, value));
return jButton;
}
});
JOptionPane.showMessageDialog(null, jTable);
}
private static AbstractAction createSameActionForEditorAndRenderer(JTable table, Object value) {
return new AbstractAction((String) value) {
@Override
public void actionPerformed(ActionEvent arg0) {
SwingUtilities.invokeLater(() -> {
JOptionPane.showMessageDialog(table, String.format("clicked on %s",value));
});
table.getCellEditor().stopCellEditing();
table.repaint();
}
};
}
}
//final JButton jButton = new JButton();
jTable.setDefaultRenderer(String.class, new DefaultTableCellRenderer() {
private final JButton jButton = new JButton();
// rest of renderer
jTable.setDefaultEditor(String.class, new DefaultCellEditor(new JCheckBox()) { // JCheckBox is closest to a button...
private final JButton jButton = new JButton();
// rest of editor
TableColumnModel columnModel = table.getColumnModel();
columnModel.getColumn(column).setCellRenderer(this);
columnModel.getColumn(column).setCellEditor(this);
static class RowColumn {
final int row;
final int column;
RowColumn(int theColumn, int theRow) {
this.column = theColumn;
this.row = theRow;
}
public int getRow() {
return row;
}
public int getColumn() {
return column;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + column;
result = prime * result + row;
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
RowColumn other = (RowColumn) obj;
if (column != other.column)
return false;
if (row != other.row)
return false;
return true;
}
}
static class ButtonColumnContainer implements TableCellRenderer {
Map<RowColumn, ButtonColumn> mapIntToColumn = new HashMap<>();
ButtonColumn createButtonColumn(JTable table, int column, int row) {
RowColumn rc = new RowColumn(column, row);
ButtonColumn buttonColumn = new ButtonColumn(column, row);
mapIntToColumn.put(rc, buttonColumn);
TableColumnModel columnModel = table.getColumnModel();
columnModel.getColumn(column).setCellRenderer(this);
// columnModel.getColumn(column).setCellEditor(this);
return buttonColumn;
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean selected, boolean hasFocus,
int row, int column) {
ButtonColumn buttonColumn = getButtonColumn(column, row);
if (buttonColumn != null) {
JButton renderButton = buttonColumn.getRenderButton();
if (hasFocus) {
renderButton.setForeground(table.getForeground());
renderButton.setBackground(UIManager.getColor("Button.background"));
} else if (selected) {
renderButton.setForeground(table.getSelectionForeground());
renderButton.setBackground(table.getSelectionBackground());
} else {
renderButton.setForeground(table.getForeground());
renderButton.setBackground(UIManager.getColor("Button.background"));
}
renderButton.setText((value == null) ? "" : value.toString());
return renderButton;
} else {
return null;
}
}
public Component getTableCellEditorComponent(JTable table, Object value, boolean selected, int row,
int column) {
ButtonColumn buttonColumn = getButtonColumn(column, row);
if (buttonColumn != null) {
JButton editButton = buttonColumn.getEditButton();
String text = (value == null) ? "" : value.toString();
editButton.setText(text);
return editButton;
} else {
return null;
}
}
private ButtonColumn getButtonColumn(int column, int row) {
RowColumn rowColumn = new RowColumn(column, row);
return mapIntToColumn.get(rowColumn);
}
}
static class ButtonColumn extends AbstractCellEditor implements ActionListener {
final JButton editButton;
final JButton renderButton;
String text;
int showRow;
public ButtonColumn(int column, int showRow) {
super();
this.showRow = showRow;
renderButton = new JButton();
editButton = new JButton();
editButton.setFocusPainted(false);
editButton.addActionListener(this);
}
@Override
public Object getCellEditorValue() {
return text;
}
@Override
public void actionPerformed(ActionEvent e) {
fireEditingStopped();
if (text.equals("connect")) {
System.out.println("conn");
} else if (text.equals("disconnect")) {
System.out.println("disc");
}
}
public JButton getEditButton() {
return editButton;
}
public JButton getRenderButton() {
return renderButton;
}
}
ButtonColumnContainer container = new ButtonColumnContainer();
container.createButtonColumn(licenseTable, 2, 0);
container.createButtonColumn(licenseTable, 3, 0);
container.createButtonColumn(licenseTable, 2, 2);
container.createButtonColumn(licenseTable, 3, 2);
container.createButtonColumn(licenseTable, 4, 2);