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/*
* KDevelop Class Browser
*
* Copyright 2007-2008 Hamish Rodda <rodda@kde.org>
* Copyright 2009 Lior Mualem <lior.m.kde@gmail.com>
*
* This program 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 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.
*/
#ifndef KDEVPLATFORM_CLASSMODEL_H
#define KDEVPLATFORM_CLASSMODEL_H
#include <QAbstractItemModel>
#include "classmodelnode.h"
#include <language/languageexport.h>
class ClassBrowserPlugin;
namespace KDevelop {
class TopDUContext;
class IDocument;
class DUContext;
class IProject;
class DUChainBase;
class IndexedQualifiedIdentifier;
}
namespace ClassModelNodes {
class Node;
class FilteredAllClassesFolder;
class FilteredProjectFolder;
class FolderNode;
class IdentifierNode;
}
/// The model interface accessible from the nodes.
class NodesModelInterface
{
public:
virtual ~NodesModelInterface();
public:
enum Feature {
AllProjectsClasses = 0x1,
BaseAndDerivedClasses = 0x2,
ClassInternals = 0x4
};
Q_DECLARE_FLAGS(Features, Feature)
virtual void nodesLayoutAboutToBeChanged(ClassModelNodes::Node* a_parent) = 0;
virtual void nodesLayoutChanged(ClassModelNodes::Node* a_parent) = 0;
virtual void nodesAboutToBeRemoved(ClassModelNodes::Node* a_parent, int a_first, int a_last) = 0;
virtual void nodesRemoved(ClassModelNodes::Node* a_parent) = 0;
virtual void nodesAboutToBeAdded(ClassModelNodes::Node* a_parent, int a_pos, int a_size) = 0;
virtual void nodesAdded(ClassModelNodes::Node* a_parent) = 0;
virtual Features features() const = 0;
};
/**
* @short A model that holds a convenient representation of the defined class in the project
*
* This model doesn't have much code in it, it mostly acts as a glue between the different
* nodes and the tree view.
*
* The nodes are defined in the namespace @ref ClassModelNodes
*/
class KDEVPLATFORMLANGUAGE_EXPORT ClassModel
: public QAbstractItemModel
, public NodesModelInterface
{
Q_OBJECT
public:
ClassModel();
~ClassModel() override;
public:
/// Retrieve the DU object related to the specified index.
/// @note DUCHAINS READER LOCK MUST BE TAKEN!
KDevelop::DUChainBase* duObjectForIndex(const QModelIndex& a_index);
/// Call this to retrieve the index for the node associated with the specified id.
QModelIndex indexForIdentifier(const KDevelop::IndexedQualifiedIdentifier& a_id);
/// Return the model index associated with the given node.
QModelIndex index(ClassModelNodes::Node* a_node) const;
inline void setFeatures(NodesModelInterface::Features features);
inline NodesModelInterface::Features features() const override { return m_features; }
public Q_SLOTS:
/// Call this to update the filter string for the search results folder.
void updateFilterString(const QString& a_newFilterString);
/// removes the project-specific node
void removeProjectNode(KDevelop::IProject* project);
/// adds the project-specific node
void addProjectNode(KDevelop::IProject* project);
private: // NodesModelInterface overrides
void nodesLayoutAboutToBeChanged(ClassModelNodes::Node* a_parent) override;
void nodesLayoutChanged(ClassModelNodes::Node* a_parent) override;
void nodesAboutToBeRemoved(ClassModelNodes::Node* a_parent, int a_first, int a_last) override;
void nodesRemoved(ClassModelNodes::Node* a_parent) override;
void nodesAboutToBeAdded(ClassModelNodes::Node* a_parent, int a_pos, int a_size) override;
void nodesAdded(ClassModelNodes::Node* a_parent) override;
private:
/// Main level node - it's usually invisible.
ClassModelNodes::Node* m_topNode;
ClassModelNodes::FilteredAllClassesFolder* m_allClassesNode;
QMap<KDevelop::IProject*, ClassModelNodes::FilteredProjectFolder*> m_projectNodes;
NodesModelInterface::Features m_features;
public Q_SLOTS:
/// This slot needs to be attached to collapsed signal in the tree view.
void collapsed(const QModelIndex& index);
/// This slot needs to be attached to expanded signal in the tree view.
void expanded(const QModelIndex& index);
public: // QAbstractItemModel overrides
QFlags<Qt::ItemFlag> flags(const QModelIndex&) const override;
QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
int rowCount(const QModelIndex& parent = QModelIndex()) const override;
int columnCount(const QModelIndex& parent = QModelIndex()) const override;
bool hasChildren(const QModelIndex& parent = QModelIndex()) const override;
QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override;
QModelIndex parent(const QModelIndex& child) const override;
};
inline void ClassModel::setFeatures(Features features)
{ m_features = features; }
Q_DECLARE_OPERATORS_FOR_FLAGS(NodesModelInterface::Features)
#endif
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