Show the data type column as an editable combo box

1 files changed, 67 insertions, 0 deletions

diff --git a/src/utils/comboboxdelegate.cpp b/src/utils/comboboxdelegate.cpp
new file mode 100644
index 0000000..ae3ca41
--- /dev/null
+++ b/src/utils/comboboxdelegate.cpp
@@ -0,0 +1,67 @@
+// Copyright (C) 2009  Lukas Lalinsky
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+#include <QComboBox>
+#include "comboboxdelegate.h"
+
+ComboBoxDelegate::ComboBoxDelegate(QObject *parent)
+	: QItemDelegate(parent), m_editable(false)
+{
+}
+
+void
+ComboBoxDelegate::setOptions(const QStringList &options)
+{
+	m_options = options;
+}
+
+void
+ComboBoxDelegate::setEditable(bool editable)
+{
+	m_editable = editable;
+}
+
+QWidget *
+ComboBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &/* option */, const QModelIndex &/* index */) const
+{
+	QComboBox *editor = new QComboBox(parent);
+	if (m_editable)
+		editor->setEditable(m_editable);
+	editor->addItems(m_options);
+	return editor;
+}
+
+void
+ComboBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
+{
+	QComboBox *comboBox = qobject_cast<QComboBox *>(editor);
+	QString value = index.model()->data(index, Qt::EditRole).toString();
+	// FIXME assumes that editable==true
+	comboBox->setEditText(value);
+}
+
+void
+ComboBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
+{
+	QComboBox *comboBox = qobject_cast<QComboBox *>(editor);
+	model->setData(index, comboBox->currentText());
+}
+
+void
+ComboBoxDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &/* index */) const
+{
+	editor->setGeometry(option.rect);
+}