我遇到JTable的问题。当我使用固定长度的文本框作为编辑器输入单元格时,当达到长度时,我会自动跳到下一行。那样,我可以继续写作。之后,当我想要更改第一行中的某些文本并双击单元格时,文本就会消失。JTable - 单元格内容在双击时消失
奇怪的是,当我按“Enter”进入下一行,双击第一行时,文本不会消失。
private void initialize() {
vCommentaarHeaders.add(resourceBundle.getString("col_Aan"));
vCommentaarHeaders.add(resourceBundle.getString("Commentaar"));
tmCommentaar.addTableModelListener(new CommentaarTableModelListener());
jtable = new JTable(tmCommentaar);
//...
jtable.addMouseListener(new CommentaarTableMouseListener());
jtable.addKeyListener(new CommentaarTableKeyListener());
//fill combobox
//Get saved data
//Add empty line
jtable.getColumnModel().getColumn(0).setCellEditor(
new DefaultCellEditor(cbxAan));
jtable.getColumnModel().getColumn(1).setCellEditor(
new DefaultCellEditor(ftfCommentaar));
//Add table to content pane
}
// MouseListener ....
private class CommentaarTableKeyListener implements KeyListener {
public void keyTyped(KeyEvent e) {
if (selectedColumn != jtable.getSelectedColumn()
|| selectedRow != jtable.getSelectedRow()) {
sCommentaar = (String) ((Vector) vCommentaarData.get(jtable
.getSelectedRow())).get(1);
}
if (e.getKeyChar() != '\t' || e.getKeyChar() != '\n') {
if (e.getKeyChar() == '') {
sCommentaar = sCommentaar.substring(0,
sCommentaar.length() - 1);
selectedColumn = jtable.getSelectedColumn();
selectedRow = jtable.getSelectedRow();
} else {
if (sCommentaar.length() <= 65){
sCommentaar = sCommentaar + e.getKeyChar();
selectedColumn = jtable.getSelectedColumn();
selectedRow = jtable.getSelectedRow();
}
else{
//addEmptyLine();
tmCommentaar.setValueAt(sCommentaar, selectedRow, selectedColumn);
selectedColumn = jtable.getSelectedColumn();
selectedRow = jtable.getSelectedRow() + 1;
String sBestemmeling = (String) ((Vector) vCommentaarData.get(selectedRow-1)).get(0);
Vector vHulp = new Vector();
vHulp.add(sBestemmeling);
vHulp.add("" + e.getKeyChar());
sCommentaar = "" + e.getKeyChar();
if(vCommentaarData.size() >= selectedRow)
vCommentaarData.setSize(selectedRow + 1);
vCommentaarData.setElementAt(vHulp, selectedRow);
tmCommentaar.fireTableDataChanged();
jtable.setCellSelectionEnabled(true);
jtable.getCellEditor(selectedRow - 1, selectedColumn).cancelCellEditing();
jtable.changeSelection(selectedRow, selectedColumn, false, false);
jtable.grabFocus();
}
}
}
}
public void keyPressed(KeyEvent e) {
}
public void keyReleased(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER){
if(selectedRow > 0){
String sBestemmeling = (String) ((Vector) vCommentaarData.get(selectedRow-1)).get(0);
Vector vHulp = new Vector();
vHulp.add(sBestemmeling);
vHulp.add("");
if(vCommentaarData.size() >= selectedRow)
vCommentaarData.setSize(selectedRow + 1);
vCommentaarData.setElementAt(vHulp, selectedRow);
tmCommentaar.fireTableDataChanged();
jtable.setCellSelectionEnabled(true);
jtable.getCellEditor(selectedRow - 1, selectedColumn).cancelCellEditing();
jtable.changeSelection(selectedRow, selectedColumn, false, false);
jtable.grabFocus();
}
}
}
}
在CommentaarTableKeyListener>的keyReleased你可以看到发生了什么,当推“Enter”键,在CommentaarTableKeyListener>的keyTyped你可以看到在达到最大长度时会发生什么。在CommentaarTableMouseListener中,您可以看到没有为双击定义的内容。
任何人都可以帮助我吗?如果您有更多问题,请询问。
格尔茨 西尔维
请发布SSCCE,而不是 – StanislavL
我减少了它,但我很难知道你需要多少信息。我希望这已经足够了。 –
_你需要多少信息,证明问题的最低限度,通常约为50行代码:-)详细了解SSCCE – kleopatra