spreadsheetdelegate.cpp Example File
itemviews/spreadsheet/spreadsheetdelegate.cpp
#include "spreadsheetdelegate.h"
#include <QtWidgets>
SpreadSheetDelegate::SpreadSheetDelegate(QObject *parent)
: QItemDelegate(parent) {}
QWidget *SpreadSheetDelegate::createEditor(QWidget *parent,
const QStyleOptionViewItem &,
const QModelIndex &index) const
{
if (index.column() == 1) {
QDateTimeEdit *editor = new QDateTimeEdit(parent);
editor->setDisplayFormat("dd/M/yyyy");
editor->setCalendarPopup(true);
return editor;
}
QLineEdit *editor = new QLineEdit(parent);
QStringList allStrings;
for (int i = 1; i<index.model()->rowCount(); i++) {
QString strItem(index.model()->data(index.sibling(i, index.column()),
Qt::EditRole).toString());
if (!allStrings.contains(strItem))
allStrings.append(strItem);
}
QCompleter *autoComplete = new QCompleter(allStrings);
editor->setCompleter(autoComplete);
connect(editor, &QLineEdit::editingFinished, this, &SpreadSheetDelegate::commitAndCloseEditor);
return editor;
}
void SpreadSheetDelegate::commitAndCloseEditor()
{
QLineEdit *editor = qobject_cast<QLineEdit *>(sender());
emit commitData(editor);
emit closeEditor(editor);
}
void SpreadSheetDelegate::setEditorData(QWidget *editor,
const QModelIndex &index) const
{
QLineEdit *edit = qobject_cast<QLineEdit*>(editor);
if (edit) {
edit->setText(index.model()->data(index, Qt::EditRole).toString());
return;
}
QDateTimeEdit *dateEditor = qobject_cast<QDateTimeEdit *>(editor);
if (dateEditor) {
dateEditor->setDate(QDate::fromString(
index.model()->data(index, Qt::EditRole).toString(),
"d/M/yyyy"));
}
}
void SpreadSheetDelegate::setModelData(QWidget *editor,
QAbstractItemModel *model, const QModelIndex &index) const
{
QLineEdit *edit = qobject_cast<QLineEdit *>(editor);
if (edit) {
model->setData(index, edit->text());
return;
}
QDateTimeEdit *dateEditor = qobject_cast<QDateTimeEdit *>(editor);
if (dateEditor)
model->setData(index, dateEditor->date().toString("dd/M/yyyy"));
}