ResInsight/Fwk/AppFwk/cafUserInterface/cafPdmUiTreeSelectionQModel.h

112 lines
4.6 KiB
C++

//##################################################################################################
//
// Custom Visualization Core library
//
// This library may be used under the terms of either the GNU General Public License or
// the GNU Lesser General Public License as follows:
//
// GNU General Public License Usage
// This library 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 3 of the License, or
// (at your option) any later version.
//
// This library 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 at <<http://www.gnu.org/licenses/gpl.html>>
// for more details.
//
// GNU Lesser General Public License Usage
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library 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 Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
// for more details.
//
//##################################################################################################
#pragma once
#include "cafPdmUiFieldEditorHandle.h"
#include "cafUiTreeItem.h"
#include <QAbstractItemModel>
#include <vector>
#include <map>
namespace caf
{
class PdmOptionItemInfo;
class PdmUiFieldHandle;
//==================================================================================================
///
//==================================================================================================
class PdmUiTreeSelectionQModel : public QAbstractItemModel
{
Q_OBJECT
public:
explicit PdmUiTreeSelectionQModel(QObject *parent = nullptr);
~PdmUiTreeSelectionQModel();
static int headingRole();
static int optionItemValueRole();
void setCheckedStateForItems(const QModelIndexList& indices, bool checked);
void enableSingleSelectionMode(bool enable);
int optionItemCount() const;
void setOptions(caf::PdmUiFieldEditorHandle* field, const QList<caf::PdmOptionItemInfo>& options);
void setUiValueCache(const QVariant* uiValuesCache );
void resetUiValueCache();
bool isReadOnly(const QModelIndex& index) const;
bool isChecked(const QModelIndex& index) const;
virtual Qt::ItemFlags flags(const QModelIndex &index) const override;
virtual QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
virtual int columnCount(const QModelIndex &parent = QModelIndex()) const override;
virtual QModelIndex parent(const QModelIndex &child) const override;
virtual int rowCount(const QModelIndex &parent = QModelIndex()) const override;
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
// Consider moving these functions to PdmUiFieldHandle
static bool isSingleValueField(const QVariant& fieldValue);
static bool isMultipleValueField(const QVariant& fieldValue);
private:
typedef caf::UiTreeItem<int> TreeItemType;
const caf::PdmOptionItemInfo* optionItem(const QModelIndex &index) const;
int optionIndex(const QModelIndex &index) const;
void buildOptionItemTree(int optionIndex, TreeItemType* parentNode);
void notifyChangedForAllModelIndices();
void recursiveNotifyChildren(const QModelIndex& index);
private:
QList<caf::PdmOptionItemInfo> m_options;
QPointer<caf::PdmUiFieldEditorHandle> m_uiFieldHandle;
const QVariant* m_uiValueCache;
TreeItemType* m_tree;
bool m_singleSelectionMode;
};
} // end namespace caf