QGIS API Documentation 3.29.0-Master (006c3c0232)
qgsvectorlayerundocommand.h
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1/***************************************************************************
2 qgsvectorlayerundocommand.h
3 ---------------------
4 begin : June 2009
5 copyright : (C) 2009 by Martin Dobias
6 email : wonder dot sk at gmail dot com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#ifndef QGSVECTORLAYERUNDOCOMMAND_H
17#define QGSVECTORLAYERUNDOCOMMAND_H
18
19#include "qgis_core.h"
20#include "qgis_sip.h"
21#include <QUndoCommand>
22
23#include <QVariant>
24#include <QSet>
25#include <QList>
26
27#include "qgsfields.h"
28#include "qgsfeature.h"
29
30class QgsGeometry;
31
33
40class CORE_EXPORT QgsVectorLayerUndoCommand : public QUndoCommand
41{
42 public:
43
49 : mBuffer( buffer )
50 {}
51
53 inline QgsVectorLayer *layer() { return mBuffer->L; }
54
55 int id() const override { return -1; }
56 bool mergeWith( const QUndoCommand * ) override { return false; }
57
58 protected:
60 QgsVectorLayerEditBuffer *mBuffer = nullptr;
61};
62
63
71{
72 public:
73
80
81 void undo() override;
82 void redo() override;
83
84 private:
85 QgsFeature mFeature;
86};
87
88
96{
97 public:
98
105
106 void undo() override;
107 void redo() override;
108
109 private:
110 QgsFeatureId mFid;
111 QgsFeature mOldAddedFeature;
112};
113
121{
122 public:
123
131
132 void undo() override;
133 void redo() override;
134 int id() const override { return 1; }
135 bool mergeWith( const QUndoCommand *other ) override;
136
137 private:
138 QgsFeatureId mFid;
139 QgsGeometry mOldGeom;
140 mutable QgsGeometry mNewGeom;
141};
142
143
151{
152 public:
153
162 QgsVectorLayerUndoCommandChangeAttribute( QgsVectorLayerEditBuffer *buffer SIP_TRANSFER, QgsFeatureId fid, int fieldIndex, const QVariant &newValue, const QVariant &oldValue );
163 void undo() override;
164 void redo() override;
165
166 private:
167 QgsFeatureId mFid;
168 int mFieldIndex;
169 QVariant mOldValue;
170 QVariant mNewValue;
171 bool mFirstChange;
172};
173
181{
182 public:
183
190
191 void undo() override;
192 void redo() override;
193
194 private:
195 QgsField mField;
196 int mFieldIndex;
197};
198
206{
207 public:
208
215
216 void undo() override;
217 void redo() override;
218
219 private:
220 int mFieldIndex;
221 QString mFieldName;
222 bool mProviderField;
223 int mOriginIndex;
224 QgsField mOldField;
225 QVariantMap mOldEditorWidgetConfig;
226
227 QMap<QgsFeatureId, QVariant> mDeletedValues;
228 QString mOldName;
229};
230
231
240{
241 public:
242
249 QgsVectorLayerUndoCommandRenameAttribute( QgsVectorLayerEditBuffer *buffer SIP_TRANSFER, int fieldIndex, const QString &newName );
250
251 void undo() override;
252 void redo() override;
253
254 private:
255 int mFieldIndex;
256 bool mProviderField;
257 int mOriginIndex;
258 QString mOldName;
259 QString mNewName;
260};
261
262#endif
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Definition: qgsfeature.h:56
Encapsulate a field in an attribute table or data source.
Definition: qgsfield.h:51
A geometry is the spatial representation of a feature.
Definition: qgsgeometry.h:164
Undo command for adding a new attribute to a vector layer.
Undo command for adding a feature to a vector layer.
Undo command for modifying an attribute of a feature from a vector layer.
Undo command for modifying the geometry of a feature from a vector layer.
Undo command for removing an existing attribute from a vector layer.
Undo command for deleting a feature from a vector layer.
Undo command for renaming an existing attribute of a vector layer.
Base class for undo commands within a QgsVectorLayerEditBuffer.
QgsVectorLayer * layer()
Returns the layer associated with the undo command.
bool mergeWith(const QUndoCommand *) override
QgsVectorLayerUndoCommand(QgsVectorLayerEditBuffer *buffer)
Constructor for QgsVectorLayerUndoCommand.
Represents a vector layer which manages a vector based data sets.
#define SIP_TRANSFER
Definition: qgis_sip.h:36
qint64 QgsFeatureId
64 bit feature ids negative numbers are used for uncommitted/newly added features
Definition: qgsfeatureid.h:28
const QgsField & field
Definition: qgsfield.h:463