LeechCraft  0.6.70-13729-g7046a9d2a7
Modular cross-platform feature rich live environment.
mergemodel.h
Go to the documentation of this file.
1 /**********************************************************************
2  * LeechCraft - modular cross-platform feature rich internet client.
3  * Copyright (C) 2006-2014 Georg Rudoy
4  *
5  * Boost Software License - Version 1.0 - August 17th, 2003
6  *
7  * Permission is hereby granted, free of charge, to any person or organization
8  * obtaining a copy of the software and accompanying documentation covered by
9  * this license (the "Software") to use, reproduce, display, distribute,
10  * execute, and transmit the Software, and to prepare derivative works of the
11  * Software, and to permit third-parties to whom the Software is furnished to
12  * do so, all subject to the following:
13  *
14  * The copyright notices in the Software and this entire statement, including
15  * the above license grant, this restriction and the following disclaimer,
16  * must be included in all copies of the Software, in whole or in part, and
17  * all derivative works of the Software, unless such copies or derivative
18  * works are solely in the form of machine-executable object code generated by
19  * a source language processor.
20  *
21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23  * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
24  * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
25  * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
26  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27  * DEALINGS IN THE SOFTWARE.
28  **********************************************************************/
29 
30 #pragma once
31 
32 #include <memory>
33 #include <functional>
34 #include <QPointer>
35 #include <QAbstractProxyModel>
36 #include <QStringList>
37 #include <QStack>
38 #include "modelsconfig.h"
39 #include "modelitem.h"
40 
41 namespace LC
42 {
43  namespace Util
44  {
58  class UTIL_MODELS_API MergeModel : public QAbstractItemModel
59  {
60  Q_OBJECT
61 
62  mutable bool DefaultAcceptsRowImpl_ = false;
63  protected:
66  private:
67  QStringList Headers_;
68 
69  ModelItem_ptr Root_;
70 
71  QStack<std::function<void ()>> RemovalRefreshers_;
72  public:
73  typedef models_t::iterator iterator;
74  typedef models_t::const_iterator const_iterator;
75 
83  MergeModel (const QStringList& headers, QObject *parent = 0);
84 
85  int columnCount (const QModelIndex& = QModelIndex ()) const override;
86  QVariant headerData (int, Qt::Orientation, int = Qt::DisplayRole) const override;
87  QVariant data (const QModelIndex&, int = Qt::DisplayRole) const override;
88  Qt::ItemFlags flags (const QModelIndex&) const override;
89  QModelIndex index (int, int, const QModelIndex& = QModelIndex ()) const override;
90  QModelIndex parent (const QModelIndex&) const override;
91  int rowCount (const QModelIndex& = QModelIndex ()) const override;
92 
97  QStringList mimeTypes () const override;
98 
109  QMimeData* mimeData (const QModelIndexList& indices) const override;
110 
117  virtual QModelIndex mapFromSource (const QModelIndex& index) const;
118 
125  virtual QModelIndex mapToSource (const QModelIndex& index) const;
126 
135  virtual void setSourceModel (QAbstractItemModel*);
136 
141  void SetHeaders (const QStringList& headers);
142 
155  void AddModel (QAbstractItemModel *model);
156 
163  void RemoveModel (QAbstractItemModel *model);
164 
169  size_t Size () const;
170 
177  const_iterator FindModel (const QAbstractItemModel *model) const;
178 
185  iterator FindModel (const QAbstractItemModel *model);
186 
196  int GetStartingRow (const_iterator it) const;
197 
215  const_iterator GetModelForRow (int row, int *starting = 0) const;
216 
228  iterator GetModelForRow (int row, int *starting = 0);
229 
238  QList<QAbstractItemModel*> GetAllModels () const;
239  public Q_SLOTS:
240  virtual void handleColumnsAboutToBeInserted (const QModelIndex&, int, int);
241  virtual void handleColumnsAboutToBeRemoved (const QModelIndex&, int, int);
242  virtual void handleColumnsInserted (const QModelIndex&, int, int);
243  virtual void handleColumnsRemoved (const QModelIndex&, int, int);
244  virtual void handleDataChanged (const QModelIndex&, const QModelIndex&);
245  virtual void handleRowsAboutToBeInserted (const QModelIndex&, int, int);
246  virtual void handleRowsAboutToBeRemoved (const QModelIndex&, int, int);
247  virtual void handleRowsInserted (const QModelIndex&, int, int);
248  virtual void handleRowsRemoved (const QModelIndex&, int, int);
249  virtual void handleModelAboutToBeReset ();
250  virtual void handleModelReset ();
251  protected:
264  virtual bool AcceptsRow (QAbstractItemModel *model, int row) const;
265  private:
266  int RowCount (QAbstractItemModel*) const;
267  };
268  }
269 }
models_t::const_iterator const_iterator
Definition: mergemodel.h:74
std::shared_ptr< ModelItem > ModelItem_ptr
Definition: modelitem.h:40
models_t::iterator iterator
Definition: mergemodel.h:73
#define UTIL_MODELS_API
Definition: modelsconfig.h:37
QList< QPointer< QAbstractItemModel > > models_t
Definition: mergemodel.h:64
Definition: constants.h:35