57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
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//
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// Copyright (C) 2017 James Turner zakalawe@mac.com
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#ifndef CANVASTREEMODEL_H
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#define CANVASTREEMODEL_H
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#include <QAbstractItemModel>
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#include "fgcanvasgroup.h"
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class CanvasTreeModel : public QAbstractItemModel
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{
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public:
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CanvasTreeModel(FGCanvasGroup* root);
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FGCanvasElement* elementFromIndex(const QModelIndex& index) const;
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protected:
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virtual int rowCount(const QModelIndex &parent) const override;
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virtual int columnCount(const QModelIndex &parent) const override;
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virtual QVariant data(const QModelIndex &index, int role) const override;
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virtual bool hasChildren(const QModelIndex &parent) const override;
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virtual QModelIndex index(int row, int column, const QModelIndex &parent) const override;
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virtual QModelIndex parent(const QModelIndex &child) const override;
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virtual Qt::ItemFlags flags(const QModelIndex &index) const override;
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virtual bool setData(const QModelIndex &index, const QVariant &value, int role) override;
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private:
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QModelIndex indexForGroup(FGCanvasGroup *group) const;
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void onGroupChildAdded();
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void onGroupChildRemoved(int index);
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FGCanvasGroup* _root;
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};
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#endif // CANVASTREEMODEL_H
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