comparison: src/modeleditcontext.h
src/modeleditcontext.h
- changeset 153
- 2f79053c2e9a
- parent 152
- 03f8e6d42e13
- child 154
- 47cb50cfa9ad
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| 152:03f8e6d42e13 | 153:2f79053c2e9a |
|---|---|
| 1 /* | |
| 2 * LDForge: LDraw parts authoring CAD | |
| 3 * Copyright (C) 2013 - 2020 Teemu Piippo | |
| 4 * | |
| 5 * This program is free software: you can redistribute it and/or modify | |
| 6 * it under the terms of the GNU General Public License as published by | |
| 7 * the Free Software Foundation, either version 3 of the License, or | |
| 8 * (at your option) any later version. | |
| 9 * | |
| 10 * This program is distributed in the hope that it will be useful, | |
| 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 * GNU General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License | |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 */ | |
| 18 | |
| 19 #pragma once | |
| 20 #include "model.h" | |
| 21 | |
| 22 /** | |
| 23 * @brief Provides an interface for editing a model such that signals are emitted for each edit done. | |
| 24 * User edits to models should always be done through this class. | |
| 25 */ | |
| 26 class ModelEditor : public QObject | |
| 27 { | |
| 28 Q_OBJECT | |
| 29 public: | |
| 30 ModelEditor(Model& model); | |
| 31 ~ModelEditor(); | |
| 32 template<typename T, typename... Args> | |
| 33 ldraw::Id<T> append(Args&&... args); | |
| 34 ldraw::id_t append(std::unique_ptr<ldraw::Object>&& object); | |
| 35 template<typename T, typename... Args> | |
| 36 ldraw::Id<T> insert(int position, Args&&... args); | |
| 37 void remove(int position); | |
| 38 template<ldraw::Property property> | |
| 39 void setObjectProperty(ldraw::id_t id, const ldraw::PropertyType<property>& value); | |
| 40 auto setObjectProperty(ldraw::id_t id, ldraw::Property property, const QVariant& value) | |
| 41 -> ldraw::Object::SetPropertyResult; | |
| 42 void setObjectPoint(ldraw::id_t id, int pointId, const glm::vec3& value); | |
| 43 template<typename T, typename Fn> | |
| 44 bool modifyObject(ldraw::Id<T> id, Fn&& function); | |
| 45 template<typename T, typename Fn> | |
| 46 bool modifyObjectAt(int position, Fn&& function); | |
| 47 const Model& model(); | |
| 48 Q_SIGNALS: | |
| 49 void objectAdded(int position); | |
| 50 void objectModified(int position); | |
| 51 void objectRemoved(ldraw::id_t id); | |
| 52 private: | |
| 53 QSet<ldraw::id_t> modifiedObjects; | |
| 54 Model& storedModel; | |
| 55 }; | |
| 56 | |
| 57 template<ldraw::Property Property> | |
| 58 void ModelEditor::setObjectProperty(const ldraw::id_t id, const ldraw::PropertyType<Property>& value) | |
| 59 { | |
| 60 this->modifyObject(id, [&](ldraw::Object* object){ | |
| 61 object->setProperty<Property>(value); | |
| 62 }); | |
| 63 } | |
| 64 | |
| 65 template<typename T, typename... Args> | |
| 66 ldraw::Id<T> ModelEditor::append(Args&&... args) | |
| 67 { | |
| 68 return this->storedModel.append<T>(args...); | |
| 69 } | |
| 70 | |
| 71 template<typename T, typename... Args> | |
| 72 ldraw::Id<T> ModelEditor::insert(int position, Args&&... args) | |
| 73 { | |
| 74 return this->storedModel.insert<T>(position, args...); | |
| 75 } | |
| 76 | |
| 77 template<typename T, typename Fn> | |
| 78 bool ModelEditor::modifyObject(ldraw::Id<T> id, Fn&& function) | |
| 79 { | |
| 80 QModelIndex index = this->model().find(id); | |
| 81 return this->modifyObjectAt<T>(index.row(), function); | |
| 82 } | |
| 83 | |
| 84 template<typename T, typename Fn> | |
| 85 bool ModelEditor::modifyObjectAt(int position, Fn&& function) | |
| 86 { | |
| 87 if (position >= 0 and position < this->model().size()) | |
| 88 { | |
| 89 T* object = dynamic_cast<T*>(this->storedModel[position]); | |
| 90 if (object != nullptr) | |
| 91 { | |
| 92 Q_EMIT this->objectModified(position); | |
| 93 function(object); | |
| 94 return true; | |
| 95 } | |
| 96 } | |
| 97 return false; | |
| 98 } |
