-
-
Notifications
You must be signed in to change notification settings - Fork 3k
/
qgsrelationmanager.sip.in
161 lines (115 loc) · 4.43 KB
/
qgsrelationmanager.sip.in
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
/************************************************************************
* This file has been generated automatically from *
* *
* src/core/qgsrelationmanager.h *
* *
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
************************************************************************/
class QgsRelationManager : QObject
{
%Docstring
This class manages a set of relations between layers.
%End
%TypeHeaderCode
#include "qgsrelationmanager.h"
%End
public:
explicit QgsRelationManager( QgsProject *project = 0 );
%Docstring
Constructor for QgsRelationManager.
:param project: associated project (used to notify project of changes)
%End
QgsRelationContext context() const;
%Docstring
Gets the relation context
%End
void setRelations( const QList<QgsRelation> &relations );
%Docstring
Will set the specified relations and remove any relation currently set.
:param relations: A list of relations to set.
%End
QMap<QString, QgsRelation> relations() const;
%Docstring
Gets access to the relations managed by this class.
:return: A QMap where the key is the relation id, the value the relation object.
%End
void addRelation( const QgsRelation &relation );
%Docstring
Add a relation.
Invalid relations are added only if both referencing layer and referenced
layer exist.
:param relation: The relation to add.
%End
void removeRelation( const QString &id );
%Docstring
Remove a relation.
:param id: The id of the relation to remove.
%End
void removeRelation( const QgsRelation &relation );
%Docstring
Remove a relation.
:param relation: The relation to remove.
%End
QgsRelation relation( const QString &id ) const;
%Docstring
Gets access to a relation by its id.
:param id: The id to search for
:return: A relation. Invalid if not found.
.. seealso:: :py:func:`relationsByName`
%End
QList<QgsRelation> relationsByName( const QString &name ) const;
%Docstring
Returns a list of relations with matching names.
:param name: relation name to search for. Searching is case insensitive.
:return: a list of matching relations
.. seealso:: :py:func:`relation`
.. versionadded:: 2.16
%End
void clear();
%Docstring
Remove any relation managed by this class.
%End
QList<QgsRelation> referencingRelations( const QgsVectorLayer *layer = 0, int fieldIdx = -2 ) const;
%Docstring
Gets all relations where the specified layer (and field) is the referencing part (i.e. the child table with the foreign key).
:param layer: The layer which should be searched for.
:param fieldIdx: The field which should be part of the foreign key. If not set will return all relations.
:return: A list of relations matching the given layer and fieldIdx.
%End
QList<QgsRelation> referencedRelations( QgsVectorLayer *layer = 0 ) const;
%Docstring
Gets all relations where this layer is the referenced part (i.e. the parent table with the primary key being referenced from another layer).
:param layer: The layer which should be searched for.
:return: A list of relations where the specified layer is the referenced part.
%End
static QList<QgsRelation> discoverRelations( const QList<QgsRelation> &existingRelations, const QList<QgsVectorLayer *> &layers );
%Docstring
Discover all the relations available from the current layers.
:param existingRelations: the existing relations to filter them out
:param layers: the current layers
:return: the list of discovered relations
.. versionadded:: 3.0
%End
signals:
void relationsLoaded();
%Docstring
Emitted when the relations were loaded after reading a project
%End
void changed();
%Docstring
Emitted when relations are added or removed to the manager.
.. versionadded:: 2.5
%End
public slots:
void updateRelationsStatus();
%Docstring
Updates relations status
%End
};
/************************************************************************
* This file has been generated automatically from *
* *
* src/core/qgsrelationmanager.h *
* *
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
************************************************************************/