Java Swing JTable;右键单击菜单(如何使其“选择”并突出显示该行) [英] Java Swing JTable; Right Click Menu (How do I get it to "select" aka highlight the row)
问题描述
简短:我需要一个右键单击事件来突出显示单元格行。
Short: I need a "right-click event" to highlight the cell row.
我在Java Swing(Netbeans Matisse)的ScrollPane中使用JTable。我在JTable上有一个MouseClicked事件监听器,它执行以下操作:
I am using a JTable inside a ScrollPane in Java Swing (Netbeans Matisse). I have a MouseClicked event listener on the JTable that does the following:
if (evt.getButton() == java.awt.event.MouseEvent.BUTTON3) {
System.out.println("Right Click");
JPopUpMenu.show(myJTable, evt.getX(), evt.getY())
}
问题是......每当我在JTable上执行右键单击时,行都不会突出显示(我将选择设置为仅btw的行)。我找了几个setSelected()函数但找不到合适的函数。默认情况下,左键单击会自动突出显示该行。如何设置右键点击?
The problem is... whenever I execute a right click on the JTable, the row isn't highlighted (I set the selection to rows only btw). I have looked for several setSelected() functions but could not find a suitable one. By default, left clicking automatically highlights the row. How do I set it up for right clicks?
推荐答案
这样:
table.addMouseListener(new MouseAdapter() {
@Override
public void mouseReleased(MouseEvent e) {
int r = table.rowAtPoint(e.getPoint());
if (r >= 0 && r < table.getRowCount()) {
table.setRowSelectionInterval(r, r);
} else {
table.clearSelection();
}
int rowindex = table.getSelectedRow();
if (rowindex < 0)
return;
if (e.isPopupTrigger() && e.getComponent() instanceof JTable ) {
JPopupMenu popup = createYourPopUp();
popup.show(e.getComponent(), e.getX(), e.getY());
}
}
});
......
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