Kstars

modelmanager.h
1 /*
2  SPDX-FileCopyrightText: 2012 Samikshan Bairagya <[email protected]>
3 
4  SPDX-License-Identifier: GPL-2.0-or-later
5 */
6 
7 #pragma once
8 
9 #include "catalogobject.h"
10 #include "skyobjitem.h"
11 #include "catalogsdb.h"
12 #include <QList>
13 #include <QObject>
14 
15 #include "polyfills/qstring_hash.h"
16 #include <unordered_map>
17 
18 class ObsConditions;
19 class SkyObjListModel;
20 
21 /**
22  * @class ModelManager
23  * @brief Manages models for QML listviews of different types of sky-objects.
24  *
25  * @author Samikshan Bairagya
26  */
27 class ModelManager : public QObject
28 {
29  Q_OBJECT
30  public:
31  /**
32  * @enum ObjectList
33  * @brief Model type for different types of sky-objects.
34  */
36  {
37  Planets,
38  Stars,
39  Constellations,
40  Galaxies,
41  Clusters,
42  Nebulas,
43  Satellites,
44  Asteroids,
45  Comets,
46  Supernovas,
47  Messier,
48  NGC,
49  IC,
50  Sharpless,
51  NumberOfLists
52  };
53 
54  /**
55  * @brief Constructor - Creates models for different sky-object types.
56  * @param obs Pointer to an ObsConditions object.
57  */
58  explicit ModelManager(ObsConditions *obs);
59  ~ModelManager() override;
60 
61  /** Updates sky-object list models. */
62  void updateAllModels(ObsConditions *obs);
63 
64  void updateModel(ObsConditions *obs, QString modelName);
65 
66  /** Clears all sky-objects list models. */
67  void resetAllModels();
68 
69  void setShowOnlyVisibleObjects(bool show) { showOnlyVisible = show; }
70 
71  bool showOnlyVisibleObjects() { return showOnlyVisible; }
72 
73  void setShowOnlyFavoriteObjects(bool show) { showOnlyFavorites = show; }
74 
75  bool showOnlyFavoriteObjects() { return showOnlyFavorites; }
76 
77  /**
78  * Load objects from the dso db for the catalog with \p name can
79  * be used to retreive the object lists later.
80  *
81  * This is implemented by searching the dso database for objects
82  * whichs name starts with a prefix to capture subsets of a catalog.
83  */
84  void loadCatalog(const QString &name);
85 
86  /**
87  * @brief Returns model of given type.
88  * @return Pointer to SkyObjListModel of given type.
89  * @param modelName Name of sky-object model to be returned.
90  */
92 
93  int getModelNumber(QString modelName);
94 
95  SkyObjListModel *getTempModel() { return tempModel; }
96 
97  signals:
98  void loadProgressUpdated(double progress);
99  void modelUpdated();
100 
101  private:
102  void loadLists();
103  void loadObjectList(QList<SkyObjItem *> &skyObjectList, int type);
104  void loadNamedStarList();
105  void loadObjectsIntoModel(SkyObjListModel &model, QList<SkyObjItem *> &skyObjectList);
106 
107  ObsConditions *m_ObsConditions{ nullptr };
108  QList<QList<SkyObjItem *>> m_ObjectList;
109  QList<SkyObjListModel *> m_ModelList;
110  bool showOnlyVisible{ true };
111  bool showOnlyFavorites{ true };
112  QList<SkyObjItem *> favoriteGalaxies;
113  QList<SkyObjItem *> favoriteNebulas;
114  QList<SkyObjItem *> favoriteClusters;
115  SkyObjListModel *tempModel{ nullptr };
116  std::unordered_map<int, CatalogsDB::CatalogObjectList> m_CatalogMap;
117  std::unordered_map<int, std::list<SkyObjItem>> m_CatalogSkyObjItems;
118 };
Q_OBJECTQ_OBJECT
void updateAllModels(ObsConditions *obs)
Updates sky-object list models.
ModelManager(ObsConditions *obs)
Constructor - Creates models for different sky-object types.
Manages models for QML listviews of different types of sky-objects.
Definition: modelmanager.h:27
void loadCatalog(const QString &name)
Load objects from the dso db for the catalog with name can be used to retreive the object lists later...
SkyObjListModel * returnModel(QString modelName)
Returns model of given type.
ObjectList
Model type for different types of sky-objects.
Definition: modelmanager.h:35
void resetAllModels()
Clears all sky-objects list models.
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