本文整理匯總了Java中javax.swing.JPanel.setFocusCycleRoot方法的典型用法代碼示例。如果您正苦於以下問題：Java JPanel.setFocusCycleRoot方法的具體用法？Java JPanel.setFocusCycleRoot怎麽用？Java JPanel.setFocusCycleRoot使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類javax.swing.JPanel的用法示例。
在下文中一共展示了JPanel.setFocusCycleRoot方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: actionPerformed
import javax.swing.JPanel; //導入方法依賴的package包/類
@Override
public void actionPerformed(ActionEvent e) {
JButton button = (JButton) e.getSource();
JCheckBox firstEntry = null;
JPopupMenu popupMenu = new JPopupMenu();
JPanel menuPanel = new JPanel();
menuPanel.setFocusCycleRoot(true);
popupMenu.add(menuPanel);
menuPanel.setLayout(new GridBagLayout());
GridBagConstraints constraints = new GridBagConstraints();
constraints.fill = GridBagConstraints.HORIZONTAL;
constraints.anchor = GridBagConstraints.BASELINE_LEADING;
constraints.weightx = 1;
constraints.gridx = 0;
Set<Integer> visibleColumns = dataPanel.getVisibleColumns();
DataViewTableUIModel dvtm = dataPanel.getModel();
for(int i = 0; i < dvtm.getColumnCount(); i++) {
JCheckBox columnEntry = new JCheckBox(dvtm.getColumnName(i));
columnEntry.setActionCommand(Integer.toString(i));
columnEntry.setSelected(visibleColumns.contains(i));
columnEntry.addActionListener(columnVisibilityToggler);
constraints.gridy += 1;
menuPanel.add(columnEntry, constraints);
if(firstEntry == null) {
firstEntry = columnEntry;
}
}
constraints.gridy += 1;
menuPanel.add(new JSeparator(), constraints);
JCheckBox checkboxItem = new JCheckBox("Fit column width");
checkboxItem.setSelected(dataPanel.getAutoResizeMode() != JTable.AUTO_RESIZE_OFF);
checkboxItem.addActionListener(fitColumnWidthToggler);
constraints.gridy += 1;
menuPanel.add(checkboxItem, constraints);
popupMenu.show(button, 0, button.getHeight());
if(firstEntry == null) {
checkboxItem.requestFocus();
} else {
firstEntry.requestFocus();
}
}