61 lines
1.6 KiB
C++
Executable File
61 lines
1.6 KiB
C++
Executable File
/**
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* @RDE_HEADER@
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* The model is used to handle CheckState Boxes in an LtsDataView (QTreeModel).
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* Only the nodes of a TreeView are handled in this model. Leaves are forwarded to the transferred model and must be edited there.
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* $Id$
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* $HeadURL$
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* $Author$
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* Created by hjl/Christian Froebel, NLE, 2019-05-10
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*/
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#pragma once
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#include <QIdentityProxyModel>
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#include "lts_data_view_export.h"
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namespace LtsDataView
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{
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class LTSDATAVIEW_EXPORT CheckStateProxyModel : public QIdentityProxyModel
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{
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public:
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using QIdentityProxyModel::QIdentityProxyModel;
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/**
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* Handles the 'ItemIsUserCheckable' flags
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* @param[in] sourceModel index
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*
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*/
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Qt::ItemFlags flags(const QModelIndex &index) const override;
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/**
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* Handles the representation of data
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* @param[in] sourceModel index
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* @param[in] role role to which the data relates
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*
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*/
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QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
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/**
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* Handles the storage of data
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* @param[in] index index
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* @param[in] value value to be set
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* @param[in] role role to which the data relates
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*
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*/
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bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
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private:
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/**
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* Returns true if the item with the given index is an leaf
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* @param[in] index item index whose information is requested
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* will be internally mapped to source model data
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*/
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bool isLeaf(const QModelIndex &index) const;
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}; // class CheckStateProxyModel
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} // namespace LtsDataView
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