1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2016 The Qt Company Ltd. |
4 | ** Contact: https://www.qt.io/licensing/ |
5 | ** |
6 | ** This file is part of the Qt Charts module of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:GPL$ |
9 | ** Commercial License Usage |
10 | ** Licensees holding valid commercial Qt licenses may use this file in |
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15 | ** information use the contact form at https://www.qt.io/contact-us. |
16 | ** |
17 | ** GNU General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU |
19 | ** General Public License version 3 or (at your option) any later version |
20 | ** approved by the KDE Free Qt Foundation. The licenses are as published by |
21 | ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
22 | ** included in the packaging of this file. Please review the following |
23 | ** information to ensure the GNU General Public License requirements will |
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25 | ** |
26 | ** $QT_END_LICENSE$ |
27 | ** |
28 | ****************************************************************************/ |
29 | |
30 | // W A R N I N G |
31 | // ------------- |
32 | // |
33 | // This file is not part of the Qt Chart API. It exists purely as an |
34 | // implementation detail. This header file may change from version to |
35 | // version without notice, or even be removed. |
36 | // |
37 | // We mean it. |
38 | |
39 | #ifndef QBARMODELMAPPER_P_H |
40 | #define QBARMODELMAPPER_P_H |
41 | |
42 | #include <QtCore/QObject> |
43 | #include <QtCharts/QBarModelMapper> |
44 | #include <QtCharts/private/qchartglobal_p.h> |
45 | |
46 | QT_BEGIN_NAMESPACE |
47 | class QModelIndex; |
48 | QT_END_NAMESPACE |
49 | |
50 | QT_CHARTS_BEGIN_NAMESPACE |
51 | |
52 | class QBarSet; |
53 | |
54 | class Q_CHARTS_PRIVATE_EXPORT QBarModelMapperPrivate : public QObject |
55 | { |
56 | Q_OBJECT |
57 | public: |
58 | explicit QBarModelMapperPrivate(QBarModelMapper *q); |
59 | |
60 | public Q_SLOTS: |
61 | // for the model |
62 | void modelUpdated(QModelIndex topLeft, QModelIndex bottomRight); |
63 | void (Qt::Orientation orientation, int first, int last); |
64 | void modelRowsAdded(QModelIndex parent, int start, int end); |
65 | void modelRowsRemoved(QModelIndex parent, int start, int end); |
66 | void modelColumnsAdded(QModelIndex parent, int start, int end); |
67 | void modelColumnsRemoved(QModelIndex parent, int start, int end); |
68 | void handleModelDestroyed(); |
69 | |
70 | // for the series |
71 | void barSetsAdded(QList<QBarSet *> sets); |
72 | void barSetsRemoved(QList<QBarSet *> sets); |
73 | void valuesAdded(int index, int count); |
74 | void valuesRemoved(int index, int count); |
75 | void barLabelChanged(); |
76 | void barValueChanged(int index); |
77 | void handleSeriesDestroyed(); |
78 | |
79 | void initializeBarFromModel(); |
80 | |
81 | private: |
82 | QBarSet *barSet(QModelIndex index); |
83 | QModelIndex barModelIndex(int barSection, int posInBar); |
84 | void insertData(int start, int end); |
85 | void removeData(int start, int end); |
86 | void blockModelSignals(bool block = true); |
87 | void blockSeriesSignals(bool block = true); |
88 | |
89 | private: |
90 | QAbstractBarSeries *m_series; |
91 | QList<QBarSet *> m_barSets; |
92 | QAbstractItemModel *m_model; |
93 | int m_first; |
94 | int m_count; |
95 | Qt::Orientation m_orientation; |
96 | int m_firstBarSetSection; |
97 | int m_lastBarSetSection; |
98 | bool m_seriesSignalsBlock; |
99 | bool m_modelSignalsBlock; |
100 | |
101 | private: |
102 | QBarModelMapper *q_ptr; |
103 | Q_DECLARE_PUBLIC(QBarModelMapper) |
104 | }; |
105 | |
106 | QT_CHARTS_END_NAMESPACE |
107 | |
108 | #endif // QBARMODELMAPPER_P_H |
109 | |