File indexing completed on 2024-05-19 05:42:13

 // ct_lvtmdl_basetreemodel.h                                         -*-C++-*-
 
 /*
 // Copyright 2023 Codethink Ltd <codethink@codethink.co.uk>
 // SPDX-License-Identifier: Apache-2.0
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 */
 
 #ifndef DEFINED_CT_LVTMDL_BASETREEMODEL
 #define DEFINED_CT_LVTMDL_BASETREEMODEL
 
 #include <lvtmdl_export.h>
 
 #include <ct_lvtclr_colormanagement.h>
 
 #include <QStandardItemModel>
 
 #include <utility>
 #include <vector>
 
 namespace Codethink::lvtldr {
 class LakosianNode;
 }
 
 namespace Codethink::lvtmdl {
 
 class LVTMDL_EXPORT BaseTreeModel : public QStandardItemModel
 // A tree model that lazy loads inner data.
 {
     Q_OBJECT
     // DATA TYPES
     struct BaseTreeModelPrivate;
 
   public:
     BaseTreeModel();
     ~BaseTreeModel() noexcept override;
 
     virtual void reload() = 0;
     // should refresh the data on the model.
 
     [[nodiscard]] bool isLoaded(const QString& identifier, const QModelIndex& parent = {});
     // checks if there is a branch or a leaf with the specified text.
     // TODO: Check if we hit false positives.
 
     [[nodiscard]] bool isLoaded(const std::string& identifier, const QModelIndex& parent = {});
     // converts to QString and calls the method above.
 
     [[nodiscard]] QModelIndex indexForData(const std::vector<std::pair<QVariant, int>>& variantToRole,
                                            const QModelIndex& parent = {});
 
     [[nodiscard]] QModelIndex indexForData(const std::vector<std::pair<std::string, int>>& strToRole,
                                            const QModelIndex& parent = {});
     [[nodiscard]] Qt::ItemFlags flags(const QModelIndex& index) const override;
 
     // returns the index of the first element that satisfies the
     // data for the specified role.
 
     void setColorManagement(std::shared_ptr<lvtclr::ColorManagement> colorManagement);
 
     QStringList mimeTypes() const override;
     QMimeData *mimeData(const QModelIndexList& indexes) const override;
 
   private:
     std::unique_ptr<BaseTreeModelPrivate> d;
 };
 
 } // end namespace Codethink::lvtmdl
 
 #endif