LeechCraft  0.6.70-10870-g558588d6ec
Modular cross-platform feature rich live environment.
flattofoldersproxymodel.h
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29 
30 #pragma once
31 
32 #include <memory>
33 #include <QAbstractItemModel>
34 #include <QStringList>
35 #include <QMultiHash>
36 #include "modelsconfig.h"
37 
38 class ITagsManager;
39 
40 namespace LeechCraft
41 {
42 struct FlatTreeItem;
43 using FlatTreeItem_ptr = std::shared_ptr<FlatTreeItem>;
44 
45 namespace Util
46 {
47  class UTIL_MODELS_API FlatToFoldersProxyModel : public QAbstractItemModel
48  {
49  Q_OBJECT
50 
51  QAbstractItemModel *SourceModel_ = nullptr;
52 
53  ITagsManager *TM_ = nullptr;
54 
55  FlatTreeItem_ptr Root_;
56  QMultiHash<QPersistentModelIndex, FlatTreeItem_ptr> Items_;
57  public:
58  FlatToFoldersProxyModel (QObject* = 0);
59 
60  void SetTagsManager (ITagsManager*);
61 
62  int columnCount (const QModelIndex& = {}) const override;
63  QVariant data (const QModelIndex&, int = Qt::DisplayRole) const override;
64  QVariant headerData (int, Qt::Orientation, int) const override;
65  Qt::ItemFlags flags (const QModelIndex&) const override;
66  QModelIndex index (int, int, const QModelIndex& = {}) const override;
67  QModelIndex parent (const QModelIndex&) const override;
68  int rowCount (const QModelIndex& = {}) const override;
69 
70  Qt::DropActions supportedDropActions () const override;
71  QStringList mimeTypes () const override;
72  QMimeData* mimeData (const QModelIndexList& indexes) const override;
73  bool dropMimeData (const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex& parent) override;
74 
75  void SetSourceModel (QAbstractItemModel*);
76  QAbstractItemModel* GetSourceModel () const;
77  QModelIndex MapToSource (const QModelIndex&) const;
78  QList<QModelIndex> MapFromSource (const QModelIndex&) const;
79  private:
80  void HandleRowInserted (int);
81  void HandleRowRemoved (int);
82  void AddForTag (const QString&, const QPersistentModelIndex&);
83  void RemoveFromTag (const QString&, const QPersistentModelIndex&);
84  void HandleChanged (const QModelIndex&);
85 
86  FlatTreeItem_ptr FindFolder (const QString&) const;
87  FlatTreeItem_ptr GetFolder (const QString&);
88  private slots:
89  void handleDataChanged (const QModelIndex&, const QModelIndex&);
90  void handleModelReset ();
91  void handleRowsInserted (const QModelIndex&, int, int);
92  void handleRowsAboutToBeRemoved (const QModelIndex&, int, int);
93  };
94 }
95 }
QMultiMap< QDateTime, QString > Items_
std::shared_ptr< FlatTreeItem > FlatTreeItem_ptr
Tags manager&#39;s interface.
Definition: itagsmanager.h:43
#define UTIL_MODELS_API
Definition: modelsconfig.h:37