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cad25bcd59
Now the UI state is preserved when refreshing the tree, making it suitable to use this method more extensively. This paves the way to make changes to the Pdm data structure without considering the ui at all, until a call to updateUiSubTree gets the ui gracefully into sync. p4#: 21599
88 lines
3.3 KiB
C++
88 lines
3.3 KiB
C++
//##################################################################################################
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//
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// Custom Visualization Core library
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// Copyright (C) 2011-2012 Ceetron AS
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//
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// This library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
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// for more details.
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//
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//##################################################################################################
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#pragma once
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#include "cafUiTreeItem.h"
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#include <QAbstractItemModel>
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#include <assert.h>
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#include "cafPdmPointer.h"
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namespace caf
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{
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class PdmObject;
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typedef UiTreeItem<PdmPointer<PdmObject> > PdmUiTreeItem;
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//==================================================================================================
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///
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//==================================================================================================
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class UiTreeModelPdm : public QAbstractItemModel
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{
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Q_OBJECT
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public:
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UiTreeModelPdm(QObject* parent);
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void setTreeItemRoot(PdmUiTreeItem* root);
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PdmUiTreeItem* treeItemRoot();
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void emitDataChanged(const QModelIndex& index);
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static PdmUiTreeItem* getTreeItemFromIndex(const QModelIndex& index);
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QModelIndex getModelIndexFromPdmObject(const PdmObject* object) const;
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void updateUiSubTree(PdmObject* root);
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public:
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// Overrides from QAbstractItemModel
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virtual QModelIndex index(int row, int column, const QModelIndex &parentIndex = QModelIndex( )) const;
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virtual QModelIndex parent(const QModelIndex &index) const;
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virtual int rowCount(const QModelIndex &parentIndex = QModelIndex( ) ) const;
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virtual int columnCount(const QModelIndex &parentIndex = QModelIndex( ) ) const;
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virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole ) const;
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virtual Qt::ItemFlags flags(const QModelIndex &index) const;
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virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
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virtual bool removeRows_special(int position, int rows, const QModelIndex &parent = QModelIndex());
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protected:
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QModelIndex getModelIndexFromPdmObjectRecursive(const QModelIndex& currentIndex, const PdmObject * object) const;
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private:
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void updateModelSubTree(const QModelIndex& uiSubTreeRootModelIdx, PdmUiTreeItem* uiModelSubTreeRoot, PdmUiTreeItem* updatedPdmSubTreeRoot);
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PdmUiTreeItem* m_treeItemRoot;
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};
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//==================================================================================================
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///
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//==================================================================================================
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class UiTreeItemBuilderPdm
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{
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public:
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static PdmUiTreeItem* buildViewItems(PdmUiTreeItem* parentTreeItem, int position, caf::PdmObject* object);
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};
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} // End of namespace caf
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