QWidget *TrackDelegate::createEditor(QWidget *parent,
const QStyleOptionViewItem &option,
const QModelIndex &index) const
{ if (index.column() == durationColumn) {//QTimeEdit *timeEdit = new QTimeEdit(parent);
QComboBox *timeEdit = new QComboBox(parent);
//timeEdit->installEventFilter(const_cast<TrackDelegate*>(this));
timeEdit->setObjectName("timeEdit");// timeEdit->setDisplayFormat("mm:ss");// connect(timeEdit, SIGNAL(editingFinished()),
// this, SLOT(commitAndCloseEditor()));
timeEdit->insertItem(0,"test1");
timeEdit->insertItem(1,"test2");
return timeEdit;
} else {return QItemDelegate::createEditor(parent, option, index);
}
}
void TrackDelegate::setEditorData(QWidget *editor,
const QModelIndex &index) const
{ if (index.column() == durationColumn) {QComboBox *timeEdit = qobject_cast<QComboBox *>(editor);
timeEdit->setCurrentIndex(1);
// int secs = index.model()->data(index, Qt::DisplayRole).toInt();
// QTimeEdit *timeEdit = qobject_cast<QTimeEdit *>(editor);
// timeEdit->setTime(QTime(0, secs / 60, secs % 60));
} else {QItemDelegate::setEditorData(editor, index);
}
} void TrackDelegate::setModelData(QWidget *editor,QAbstractItemModel *model,
const QModelIndex &index) const
{ if (index.column() == durationColumn) {// QTimeEdit *timeEdit = qobject_cast<QTimeEdit *>(editor);
// QTime time = timeEdit->time();
// int secs = (time.minute() * 60) + time.second();
// model->setData(index, secs);
} else {QItemDelegate::setModelData(editor, model, index);
}
}
上述三个方法是实现tableview编辑某个单元格出现控件的主要方法
其中第三个方法TrackDelegate::setModelData
是实现把编辑的控件发的数据写回到model中，但这个方法什么时候会调用？
当你编辑完控件后点击tableview其他单元格后会调用该方法
或者代码添加emit commitData(editor);就会立马执行该方法。