spreadsheetdelegate.cpp Example File

itemviews/spreadsheet/spreadsheetdelegate.cpp
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#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); // create a completer with the strings in the column as model 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")); }