QGIS API Documentation  2.18.21-Las Palmas (9fba24a)
qgsfilenamewidgetwrapper.h
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1 /***************************************************************************
2  qgsfilenamewidgetwrapper.h
3  --------------------------------------
4  Date : 5.1.2014
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 QGSFILENAMEWIDGETWRAPPER_H
17 #define QGSFILENAMEWIDGETWRAPPER_H
18 
19 #include "qgseditorwidgetwrapper.h"
20 
21 #include <QLineEdit>
22 #include <QPushButton>
23 #include <QLabel>
24 
25 
32 {
33  Q_OBJECT
34  public:
35  explicit QgsFileNameWidgetWrapper( QgsVectorLayer* vl, int fieldIdx, QWidget* editor = nullptr, QWidget* parent = nullptr );
36 
37  private slots:
38  void selectFileName();
39 
40  // QgsEditorWidgetWrapper interface
41  public:
42  QVariant value() const override;
43  bool valid() const override;
44  void showIndeterminateState() override;
45 
46  protected:
47  QWidget* createWidget( QWidget* parent ) override;
48  void initWidget( QWidget* editor ) override;
49 
50  public slots:
51  void setValue( const QVariant& value ) override;
52 
53  private:
54  void updateConstraintWidgetStatus( bool constraintValid ) override;
55 
56  QLineEdit* mLineEdit;
57  QPushButton* mPushButton;
58  QLabel* mLabel;
59 };
60 
61 #endif // QGSFILENAMEWIDGETWRAPPER_H
Manages an editor widget Widget and wrapper share the same parent.
virtual void updateConstraintWidgetStatus(bool constraintValid)
This should update the widget with a visual cue if a constraint status changed.
Wraps a file name widget.
virtual void showIndeterminateState()
Sets the widget to display in an indeterminate "mixed value" state.
virtual bool valid() const =0
Return true if the widget has been properly initialized.
virtual QWidget * createWidget(QWidget *parent)=0
This method should create a new widget with the provided parent.
virtual void initWidget(QWidget *editor)
This method should initialize the editor widget with runtime data.
virtual void setValue(const QVariant &value)=0
Is called, when the value of the widget needs to be changed.
virtual QVariant value() const =0
Will be used to access the widget&#39;s value.
Represents a vector layer which manages a vector based data sets.