File indexing completed on 2024-04-14 04:36:14

 /* This file is part of the KDE project
    Copyright (C) 2008-2018 Jarosław Staniek <staniek@kde.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #ifndef KPROPERTY_EDITORDATAMODEL_H
 #define KPROPERTY_EDITORDATAMODEL_H
 
 #include "kpropertywidgets_export.h"
 #include "KPropertySet.h"
 
 #include <QAbstractItemModel>
 #include <QModelIndex>
 
 class KProperty;
 class KPropertyEditorView;
 
 /*! @short A data model that integrates a KPropertySet object with the Qt's model/view API.
  @see KPropertyEditorView
  @internal
 */
 class KPropertyEditorDataModel : public QAbstractItemModel
 {
     Q_OBJECT
 public:
     //! Creates a new model. @a view and view->propertySet() are required.
     explicit KPropertyEditorDataModel(KPropertyEditorView *view,
                                       KPropertySetIterator::Order order = KPropertySetIterator::Order::Insertion);
     ~KPropertyEditorDataModel() override;
 
     enum Role {
         PropertyModifiedRole = Qt::UserRole + 0,
         PropertyGroupRole = Qt::UserRole + 1
     };
     QVariant data(const QModelIndex &index, int role) const override;
     QVariant headerData(int section, Qt::Orientation orientation,
                         int role = Qt::DisplayRole) const override;
 
     QModelIndex index(int row, int column,
                       const QModelIndex &parent = QModelIndex()) const override;
     QModelIndex parent(const QModelIndex &index) const override;
 
     int rowCount(const QModelIndex &parent = QModelIndex()) const override;
     int columnCount(const QModelIndex &parent = QModelIndex()) const override;
 
     Qt::ItemFlags flags(const QModelIndex &index) const override;
     bool setData(const QModelIndex &index, const QVariant &value,
                  int role = Qt::EditRole) override;
     bool setHeaderData(int section, Qt::Orientation orientation,
                        const QVariant &value, int role = Qt::EditRole) override;
 
     QModelIndex buddy(const QModelIndex &index) const override;
 
     //! @return property set object for this model. It is never @c nullptr.
     KPropertySet* propertySet() const;
 
     //! @return property object for model index @a index
     //! or @c nullptr for invalid index or index without a property assigned.
     KProperty *propertyForIndex(const QModelIndex& index) const;
 
     //! @return model index for property named @a propertyName
     //! or invalid index if such property could not be found.
     QModelIndex indexForPropertyName(const QByteArray& propertyName) const;
 
     //! @return a sibling for model index @a index and column @a column
     QModelIndex indexForColumn(const QModelIndex& index, int column) const;
 
     //! @return order for properties.
     KPropertySetIterator::Order order() const;
 
     //! Reimplemented for optimization.
     bool hasChildren(const QModelIndex &parent = QModelIndex()) const override;
 
 public Q_SLOTS:
     //! Sets order for properties.
     void setOrder(KPropertySetIterator::Order order);
 
     /*! Updates visibility of property groups.
      @see KPropertyEditorView::setGroupsVisible(bool)
      @since 3.1 */
     void updateGroupsVisibility();
 
 private:
     //! Collects persistent indices for the model. They are dependent on groupping and sorting.
     void collectIndices() const;
 
     Q_DISABLE_COPY(KPropertyEditorDataModel)
     class Private;
     Private * const d;
 
     friend class KPropertyEditorView;
 };
 
 #endif