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qgsvaluemapwidgetwrapper.cpp
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1 /***************************************************************************
2  qgsvaluemapwidgetwrapper.cpp
3  --------------------------------------
4  Date : 5.1.2014
5  Copyright : (C) 2014 Matthias Kuhn
6  Email : matthias dot kuhn at gmx 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 
17 
19  : QgsEditorWidgetWrapper( vl, fieldIdx, editor, parent )
20  , mComboBox( NULL )
21 {
22 }
23 
24 
26 {
27  QVariant v;
28 
29  if ( mComboBox )
30  v = mComboBox->itemData( mComboBox->currentIndex() );
31 
32  return v;
33 }
34 
36 {
37  return new QComboBox( parent );
38 }
39 
41 {
42  mComboBox = qobject_cast<QComboBox*>( editor );
43 
44  if ( mComboBox )
45  {
46  const QgsEditorWidgetConfig cfg = config();
48 
49  while ( it != cfg.constEnd() )
50  {
51  mComboBox->addItem( it.key(), it.value() );
52  ++it;
53  }
54  connect( mComboBox, SIGNAL( currentIndexChanged( int ) ), this, SLOT( valueChanged() ) );
55  }
56 }
57 
59 {
60  return mComboBox;
61 }
62 
64 {
65  if ( mComboBox )
66  mComboBox->setCurrentIndex( mComboBox->findData( value ) );
67 }
void setValue(const QVariant &value) override
QWidget * createWidget(QWidget *parent) override
This method should create a new widget with the provided parent.
QgsValueMapWidgetWrapper(QgsVectorLayer *vl, int fieldIdx, QWidget *editor=0, QWidget *parent=0)
void valueChanged()
Will call the value() method to determine the emitted value.
Manages an editor widget Widget and wrapper share the same parent.
const_iterator constBegin() const
void addItem(const QString &text, const QVariant &userData)
const QgsEditorWidgetConfig config()
Returns the whole config.
const_iterator constEnd() const
QVariant value() override
Will be used to access the widget's value.
QVariant itemData(int index, int role) const
bool valid() override
Return true if the widget has been properly initialized.
int findData(const QVariant &data, int role, QFlags< Qt::MatchFlag > flags) const
void initWidget(QWidget *editor) override
This method should initialize the editor widget with runtime data.
typedef ConstIterator
bool connect(const QObject *sender, const char *signal, const QObject *receiver, const char *method, Qt::ConnectionType type)
Represents a vector layer which manages a vector based data sets.