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