QGIS API Documentation 3.40.0-Bratislava (b56115d8743)
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qgsactionmenu.h
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1/***************************************************************************
2 qgsactionmenu.h
3 --------------------------------------
4 Date : 11.8.2014
5 Copyright : (C) 2014 Matthias Kuhn
6 Email : matthias at opengis dot ch
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 QGSACTIONMENU_H
17#define QGSACTIONMENU_H
18
19#include <QMenu>
20#include "qgis_sip.h"
21
22#include "qgsfeature.h"
24#include "qgsaction.h"
25#include "qgis_gui.h"
26
27class QgsMapLayer;
29class QgsVectorLayer;
32
38class GUI_EXPORT QgsActionMenu : public QMenu
39{
40 Q_OBJECT
41
42 public:
43
44 struct GUI_EXPORT ActionData
45 {
46
47 ActionData() = default;
48 ActionData( const QgsAction &action, QgsFeatureId featureId, QgsMapLayer *mapLayer );
49 ActionData( QgsMapLayerAction *action, QgsFeatureId featureId, QgsMapLayer *mapLayer );
50
52 QVariant actionData;
53 QgsFeatureId featureId = 0;
54 QgsMapLayer *mapLayer = nullptr;
55 };
56
66 explicit QgsActionMenu( QgsVectorLayer *layer, const QgsFeature &feature, const QString &actionScope, QWidget *parent SIP_TRANSFERTHIS = nullptr );
67
76 explicit QgsActionMenu( QgsVectorLayer *layer, QgsFeatureId fid, const QString &actionScope, QWidget *parent SIP_TRANSFERTHIS = nullptr );
77
85 void setActionContextGenerator( QgsMapLayerActionContextGenerator *generator );
86
93 void setFeature( const QgsFeature &feature );
94
100 void setMode( QgsAttributeEditorContext::Mode mode );
101
106 void setExpressionContextScope( const QgsExpressionContextScope &scope );
107
112 QgsExpressionContextScope expressionContextScope() const;
113
119 QList<QgsAction> menuActions();
120
126 bool isEmpty() const;
127
128 signals:
129
133 void reinit();
134
135 private slots:
136 void triggerAction();
137 void reloadActions();
138 void layerWillBeDeleted();
139
140 private:
141 void init();
142 QgsFeature feature();
143
144 QgsVectorLayer *mLayer = nullptr;
145 int mVisibleActionCount = 0;
146 QList<QgsAction> mActions;
147 QgsFeature mFeature;
148 QgsFeatureId mFeatureId;
149 QString mActionScope;
150 QgsExpressionContextScope mExpressionContextScope;
152
153 QgsMapLayerActionContextGenerator *mContextGenerator = nullptr;
154};
155
156
158
159#endif // QGSACTIONMENU_H
ActionType
Action types.
Definition qgis.h:4267
@ Invalid
Invalid.
Storage and management of actions associated with a layer.
This class is a menu that is populated automatically with the actions defined for a given layer.
void reinit()
Emitted after actions have been reloaded.
Utility class that encapsulates an action based on vector attributes.
Definition qgsaction.h:37
@ SingleEditMode
Single edit mode, for editing a single feature.
Single scope for storing variables and functions for use within a QgsExpressionContext.
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Definition qgsfeature.h:58
An interface for objects which can create a QgsMapLayerActionContext.
An action which can run on map layers The class can be used in two manners:
Base class for all map layer types.
Definition qgsmaplayer.h:76
Represents a vector layer which manages a vector based data sets.
#define SIP_TRANSFERTHIS
Definition qgis_sip.h:53
Q_DECLARE_METATYPE(QgsDatabaseQueryLogEntry)
qint64 QgsFeatureId
64 bit feature ids negative numbers are used for uncommitted/newly added features