QGIS API Documentation 3.29.0-Master (694ebda27c)
qgsrasterattributetablewidget.h
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1/***************************************************************************
2 qgsrasterattributetablewidget.h - QgsRasterAttributeTableWidget
3
4 ---------------------
5 begin : 6.10.2022
6 copyright : (C) 2022 by Alessandro Pasotti
7 email : elpaso at itopen dot it
8 ***************************************************************************
9 * *
10 * This program is free software; you can redistribute it and/or modify *
11 * it under the terms of the GNU General Public License as published by *
12 * the Free Software Foundation; either version 2 of the License, or *
13 * (at your option) any later version. *
14 * *
15 ***************************************************************************/
16#ifndef QGSRASTERATTRIBUTETABLEWIDGET_H
17#define QGSRASTERATTRIBUTETABLEWIDGET_H
18
19#include "qgis_gui.h"
20#include "ui_qgsrasterattributetablewidgetbase.h"
22#include "qgscolorrampimpl.h"
23#include "qgspanelwidget.h"
25
26#include <QWidget>
27#include <QStyledItemDelegate>
28
29
30#ifndef SIP_RUN
31class QgsRasterLayer;
33class QgsMessageBar;
34class QSortFilterProxyModel;
35#endif
36
37
39#ifndef SIP_RUN
40class ColorDelegate: public QStyledItemDelegate
41{
42
43 Q_OBJECT
44
45 public:
46
47 ColorDelegate( QObject *parent = nullptr ): QStyledItemDelegate( parent ) {};
48
49 // QAbstractItemDelegate interface
50 QWidget *createEditor( QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index ) const override;
51 void setEditorData( QWidget *editor, const QModelIndex &index ) const override;
52 void setModelData( QWidget *editor, QAbstractItemModel *model, const QModelIndex &index ) const override;
53};
54
55class ColorAlphaDelegate: public ColorDelegate
56{
57
58 Q_OBJECT
59
60 public:
61
62 ColorAlphaDelegate( QObject *parent = nullptr ): ColorDelegate( parent ) {};
63
64 // QAbstractItemDelegate interface
65 QWidget *createEditor( QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index ) const override;
66};
67
68class ColorRampDelegate: public QStyledItemDelegate
69{
70
71 Q_OBJECT
72
73 public:
74
75 ColorRampDelegate( QObject *parent = nullptr ): QStyledItemDelegate( parent ) {};
76
77 // QAbstractItemDelegate interface
78 QWidget *createEditor( QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index ) const override;
79 void setEditorData( QWidget *editor, const QModelIndex &index ) const override;
80 void setModelData( QWidget *editor, QAbstractItemModel *model, const QModelIndex &index ) const override;
81 void paint( QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index ) const override;
82
83 protected:
84
86
87};
88
89class ColorRampAlphaDelegate: public ColorRampDelegate
90{
91
92 Q_OBJECT
93
94 public:
95
96 ColorRampAlphaDelegate( QObject *parent = nullptr ): ColorRampDelegate( parent ) {};
97
98 // QAbstractItemDelegate interface
99 QWidget *createEditor( QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index ) const override;
100};
101
102
103class LocalizedDoubleDelegate: public QgsLocaleAwareNumericLineEditDelegate
104{
105
106 Q_OBJECT
107
108 public:
109
110 LocalizedDoubleDelegate( QWidget *parent = nullptr ): QgsLocaleAwareNumericLineEditDelegate( Qgis::DataType::Float64, parent ) {};
111
112 // QStyledItemDelegate interface
113 QString displayText( const QVariant &value, const QLocale &locale ) const override;
114};
115
116
117
118#endif
120
126class GUI_EXPORT QgsRasterAttributeTableWidget : public QgsPanelWidget, private Ui::QgsRasterAttributeTableWidgetBase
127{
128 Q_OBJECT
129
130 public:
131
138 explicit QgsRasterAttributeTableWidget( QWidget *parent SIP_TRANSFERTHIS = nullptr, QgsRasterLayer *rasterLayer = nullptr, const int bandNumber = 0 );
139
145 void setRasterLayer( QgsRasterLayer *rasterLayer, const int bandNumber = 0 );
146
150 bool isDirty( ) const;
151
156 void setMessageBar( QgsMessageBar *bar );
157
158 signals:
159
164
165 public slots:
166
170 void saveChanges();
171
177 bool setEditable( bool editable, bool allowCancel = true );
178
179 private:
180
181 void classify();
182 void addColumn();
183 void removeColumn();
184 void addRow();
185 void removeRow();
186 void bandChanged( const int index );
187 void notify( const QString &title, const QString &message, Qgis::MessageLevel level = Qgis::MessageLevel::Info );
188 void setDelegates( );
189
190 QgsRasterLayer *mRasterLayer = nullptr;
191 std::unique_ptr<QgsRasterAttributeTable> mAttributeTableBuffer;
192 // Default to invalid (bands are 1-indexed)
193 int mCurrentBand = 0;
194 bool mEditable = false;
195
196 std::unique_ptr<QgsRasterAttributeTableModel> mModel;
197
198 QAction *mActionToggleEditing = nullptr;
199 QAction *mActionAddColumn = nullptr;
200 QAction *mActionRemoveColumn = nullptr;
201 QAction *mActionAddRow = nullptr;
202 QAction *mActionRemoveRow = nullptr;
203 QAction *mActionSaveChanges = nullptr;
204
205 QgsMessageBar *mMessageBar = nullptr;
206 QSortFilterProxyModel *mProxyModel = nullptr;
207
208 void init( int bandNumber = 0 );
209 void updateButtons();
210
211 // QgsPanelWidget interface
212 public:
213 void setDockMode( bool dockMode ) override;
214};
215
216#endif // QGSRASTERATTRIBUTETABLEWIDGET_H
The Qgis class provides global constants for use throughout the application.
Definition: qgis.h:72
MessageLevel
Level for messages This will be used both for message log and message bar in application.
Definition: qgis.h:115
Gradient color ramp, which smoothly interpolates between two colors and also supports optional extra ...
A bar for displaying non-blocking messages to the user.
Definition: qgsmessagebar.h:61
Base class for any widget that can be shown as a inline panel.
virtual void setDockMode(bool dockMode)
Set the widget in dock mode which tells the widget to emit panel widgets and not open dialogs.
The QgsRasterAttributeTableWidget class provides an attribute table for rasters and methods to edit t...
void rendererChanged()
This signal is emitted after a successful classify operation which changed the raster renderer.
The QgsRasterAttributeTable class represents a Raster Attribute Table (RAT).
Represents a raster layer.
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53