我正在尝试编写一些代码,允许用户通过单击JTable
中的布尔单元格来填写文本字段。当使用JOptionPane时,JTable布尔值不会更新
我可以得到程序从表中的数据输入到一个文本字段,但我现在这样做的方法涉及的JOptionPane这对于一些奇怪的原因,从改变复选框停止表值(即复选框不会从黑色变为勾号)。不仅如此,而且选择不会更新,因此即使选择将其切换为true,最后一列中的值仍然为false。
我认为这可能与JOptionPane
在某种程度上覆盖了选择事件有关,但我不太了解JOptionPane
对象说的如何。我的代码是:
table.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
ListSelectionModel selectionModel = table.getSelectionModel();
selectionModel.addListSelectionListener(new ListSelectionListener() {
public void valueChanged(ListSelectionEvent e) {
ListSelectionModel lsm = (ListSelectionModel) e.getSource();
if (lsm.isSelectionEmpty()) {
//no rows are selected do nothing
} else {
//First find the row clicked
int selectedRow = lsm.getLeadSelectionIndex();
/*
* put a popup here to ask the user which peak to associate
* the energy with.
*/
System.out.println(selectedRow);
//Get user to associate with a peak
availablePeaks = getAvailablePeaks();
String returnVal = (String) JOptionPane.showInputDialog(
null,
"Select the peak:",
"Peak Matching",
JOptionPane.QUESTION_MESSAGE,
null,
availablePeaks, null);
System.out.println(returnVal);
//Determine the selection
int index = 0;
for (int i = 0; i < availablePeaks.length; i++) {
if (availablePeaks[i] == returnVal) {
index = i;
} else {
}
}
//Set the peak value in the peak specifier to the energy in the row
double energy = (Double) table.getValueAt(selectedRow, 0);
System.out.println(energy);
frame.getPeakSetter().getPeakSpecifiers()[index].setEnergy(energy);
frame.getPeakSetter().getPeakSpecifiers()[index].getTextField().setText("" + energy);
}
}
});
有谁知道为什么在ListSelectionListener
一个JOptionPane
会从更新的复选框阻表?
谢谢!
谢谢!我决定保留ListSelectionListener并使最后一列中的单元格不可编辑。如果用户单击单元格并且选择使表格现在正确更新。 :) – user1353285 2012-08-15 09:30:35