QWidget *QgsAttributeEditor::createAttributeEditor( QWidget *parent, QWidget *editor, QgsVectorLayer *vl, int idx, const QVariant &value, QMap<int, QWidget*> &proxyWidgets )
{
if ( !vl )
return 0;
QWidget *myWidget = 0;
QgsVectorLayer::EditType editType = vl->editType( idx );
const QgsField &field = vl->pendingFields()[idx];
QVariant::Type myFieldType = field.type();
bool synchronized = false;
switch ( editType )
{
case QgsVectorLayer::UniqueValues:
{
QList<QVariant> values;
vl->dataProvider()->uniqueValues( idx, values );
QComboBox *cb = comboBox( editor, parent );
if ( cb )
{
cb->setEditable( false );
for ( QList<QVariant>::iterator it = values.begin(); it != values.end(); it++ )
cb->addItem( it->toString(), it->toString() );
myWidget = cb;
}
}
break;
case QgsVectorLayer::Enumeration:
{
QStringList enumValues;
vl->dataProvider()->enumValues( idx, enumValues );
QComboBox *cb = comboBox( editor, parent );
if ( cb )
{
QStringList::const_iterator s_it = enumValues.constBegin();
for ( ; s_it != enumValues.constEnd(); ++s_it )
{
cb->addItem( *s_it, *s_it );
}
myWidget = cb;
}
}
break;
case QgsVectorLayer::ValueMap:
{
const QMap<QString, QVariant> &map = vl->valueMap( idx );
QComboBox *cb = comboBox( editor, parent );
if ( cb )
{
for ( QMap<QString, QVariant>::const_iterator it = map.begin(); it != map.end(); it++ )
{
cb->addItem( it.key(), it.value() );
}
myWidget = cb;
}
}
break;
case QgsVectorLayer::ValueRelation:
{
const QgsVectorLayer::ValueRelationData &data = vl->valueRelation( idx );
QgsVectorLayer *layer = qobject_cast<QgsVectorLayer*>( QgsMapLayerRegistry::instance()->mapLayer( data.mLayer ) );
QMap< QString, QString > map;
int fi = -1;
if ( layer )
{
int ki = layer->fieldNameIndex( data.mOrderByValue ? data.mValue : data.mKey );
int vi = layer->fieldNameIndex( data.mOrderByValue ? data.mKey : data.mValue );
if ( !data.mFilterAttributeColumn.isNull() )
fi = layer->fieldNameIndex( data.mFilterAttributeColumn );
if ( ki >= 0 && vi >= 0 )
{
QgsAttributeList attributes;
attributes << ki;
attributes << vi;
if ( fi >= 0 )
attributes << fi;
layer->select( attributes, QgsRectangle(), false );
QgsFeature f;
while ( layer->nextFeature( f ) )
{
if ( fi >= 0 && f.attributeMap()[ fi ].toString() != data.mFilterAttributeValue )
continue;
map.insert( f.attributeMap()[ ki ].toString(), f.attributeMap()[ vi ].toString() );
}
}
}
if ( !data.mAllowMulti )
{
QComboBox *cb = comboBox( editor, parent );
if ( cb )
{
if ( data.mAllowNull )
{
QSettings settings;
cb->addItem( tr( "(no selection)" ), settings.value( "qgis/nullValue", "NULL" ).toString() );
}
for ( QMap< QString, QString >::const_iterator it = map.begin(); it != map.end(); it++ )
{
if ( data.mOrderByValue )
cb->addItem( it.key(), it.value() );
else
cb->addItem( it.value(), it.key() );
}
myWidget = cb;
}
}
else
{
QListWidget *lw = listWidget( editor, parent );
if ( lw )
{
QStringList checkList = value.toString().remove( QChar( '{' ) ).remove( QChar( '}' ) ).split( "," );
for ( QMap< QString, QString >::const_iterator it = map.begin(); it != map.end(); it++ )
{
QListWidgetItem *item;
if ( data.mOrderByValue )
{
item = new QListWidgetItem( it.key() );
item->setData( Qt::UserRole, it.value() );
item->setCheckState( checkList.contains( it.value() ) ? Qt::Checked : Qt::Unchecked );
}
else
{
item = new QListWidgetItem( it.value() );
item->setData( Qt::UserRole, it.key() );
item->setCheckState( checkList.contains( it.key() ) ? Qt::Checked : Qt::Unchecked );
}
lw->addItem( item );
}
myWidget = lw;
}
}
}
break;
case QgsVectorLayer::Classification:
{
QMap<QString, QString> classes;
const QgsUniqueValueRenderer *uvr = dynamic_cast<const QgsUniqueValueRenderer *>( vl->renderer() );
if ( uvr )
{
const QList<QgsSymbol *> symbols = uvr->symbols();
for ( int i = 0; i < symbols.size(); i++ )
{
QString label = symbols[i]->label();
QString name = symbols[i]->lowerValue();
if ( label == "" )
label = name;
classes.insert( name, label );
}
}
const QgsCategorizedSymbolRendererV2 *csr = dynamic_cast<const QgsCategorizedSymbolRendererV2 *>( vl->rendererV2() );
if ( csr )
{
const QgsCategoryList &categories = (( QgsCategorizedSymbolRendererV2 * )csr )->categories(); // FIXME: QgsCategorizedSymbolRendererV2::categories() should be const
for ( int i = 0; i < categories.size(); i++ )
{
QString label = categories[i].label();
QString value = categories[i].value().toString();
if ( label.isEmpty() )
label = value;
classes.insert( value, label );
}
}
QComboBox *cb = comboBox( editor, parent );
if ( cb )
{
for ( QMap<QString, QString>::const_iterator it = classes.begin(); it != classes.end(); it++ )
{
cb->addItem( it.value(), it.key() );
}
myWidget = cb;
}
}
break;
case QgsVectorLayer::DialRange:
case QgsVectorLayer::SliderRange:
case QgsVectorLayer::EditRange:
{
if ( myFieldType == QVariant::Int )
{
int min = vl->range( idx ).mMin.toInt();
int max = vl->range( idx ).mMax.toInt();
int step = vl->range( idx ).mStep.toInt();
if ( editType == QgsVectorLayer::EditRange )
{
QSpinBox *sb = 0;
if ( editor )
sb = qobject_cast<QSpinBox *>( editor );
else
sb = new QSpinBox( parent );
if ( sb )
{
sb->setRange( min, max );
sb->setSingleStep( step );
myWidget = sb;
}
}
else
{
QAbstractSlider *sl = 0;
if ( editor )
{
sl = qobject_cast<QAbstractSlider*>( editor );
}
else if ( editType == QgsVectorLayer::DialRange )
{
sl = new QDial( parent );
}
else
{
sl = new QSlider( Qt::Horizontal, parent );
}
if ( sl )
{
sl->setRange( min, max );
sl->setSingleStep( step );
myWidget = sl;
}
}
break;
}
else if ( myFieldType == QVariant::Double )
{
QDoubleSpinBox *dsb = 0;
if ( editor )
dsb = qobject_cast<QDoubleSpinBox*>( editor );
else
dsb = new QDoubleSpinBox( parent );
if ( dsb )
{
double min = vl->range( idx ).mMin.toDouble();
double max = vl->range( idx ).mMax.toDouble();
double step = vl->range( idx ).mStep.toDouble();
dsb->setRange( min, max );
dsb->setSingleStep( step );
myWidget = dsb;
}
break;
}
}
case QgsVectorLayer::CheckBox:
{
QCheckBox *cb = 0;
if ( editor )
cb = qobject_cast<QCheckBox*>( editor );
else
cb = new QCheckBox( parent );
if ( cb )
{
myWidget = cb;
break;
}
}
// fall-through
case QgsVectorLayer::LineEdit:
case QgsVectorLayer::TextEdit:
case QgsVectorLayer::UuidGenerator:
case QgsVectorLayer::UniqueValuesEditable:
case QgsVectorLayer::Immutable:
{
QLineEdit *le = 0;
QTextEdit *te = 0;
QPlainTextEdit *pte = 0;
QComboBox * cb = 0;
if ( editor )
{
le = qobject_cast<QLineEdit *>( editor );
te = qobject_cast<QTextEdit *>( editor );
pte = qobject_cast<QPlainTextEdit *>( editor );
cb = qobject_cast<QComboBox *>( editor );
}
else if ( editType == QgsVectorLayer::TextEdit )
{
pte = new QPlainTextEdit( parent );
}
else
{
le = new QLineEdit( parent );
}
if ( le )
{
if ( editType == QgsVectorLayer::UniqueValuesEditable )
{
QList<QVariant> values;
vl->dataProvider()->uniqueValues( idx, values );
QStringList svalues;
for ( QList<QVariant>::const_iterator it = values.begin(); it != values.end(); it++ )
svalues << it->toString();
QCompleter *c = new QCompleter( svalues );
c->setCompletionMode( QCompleter::PopupCompletion );
le->setCompleter( c );
}
if ( editType == QgsVectorLayer::UuidGenerator )
{
le->setReadOnly( true );
}
le->setValidator( new QgsFieldValidator( le, field ) );
myWidget = le;
}
if ( te )
{
te->setAcceptRichText( true );
myWidget = te;
}
if ( pte )
{
myWidget = pte;
}
if ( cb )
{
myWidget = cb;
}
if ( myWidget )
{
myWidget->setDisabled( editType == QgsVectorLayer::Immutable );
QgsStringRelay* relay = NULL;
QMap<int, QWidget*>::const_iterator it = proxyWidgets.find( idx );
if ( it != proxyWidgets.end() )
{
QObject* obj = qvariant_cast<QObject*>( (*it)->property( "QgisAttrEditProxy" ) );
relay = qobject_cast<QgsStringRelay*>( obj );
}
else
{
relay = new QgsStringRelay( myWidget );
}
if ( cb && cb->isEditable() )
{
synchronized = connect( relay, SIGNAL( textChanged( QString ) ), myWidget, SLOT( setEditText( QString ) ) );
synchronized &= connect( myWidget, SIGNAL( editTextChanged( QString ) ), relay, SLOT( changeText( QString ) ) );
}
else
{
synchronized = connect( relay, SIGNAL( textChanged( QString ) ), myWidget, SLOT( setText( QString ) ) );
synchronized &= connect( myWidget, SIGNAL( textChanged( QString ) ), relay, SLOT( changeText( QString ) ) );
}
if ( !cb || cb->isEditable() )
{
myWidget->setProperty( "QgisAttrEditProxy", QVariant( QMetaType::QObjectStar, &relay ) );
}
}
}
break;
case QgsVectorLayer::Hidden:
myWidget = 0;
break;
case QgsVectorLayer::FileName:
case QgsVectorLayer::Calendar:
{
QPushButton *pb = 0;
QLineEdit *le = qobject_cast<QLineEdit *>( editor );
if ( le )
{
if ( le )
myWidget = le;
if ( editor->parent() )
{
pb = editor->parent()->findChild<QPushButton *>();
}
}
else
{
le = new QLineEdit();
pb = new QPushButton( tr( "..." ) );
QHBoxLayout *hbl = new QHBoxLayout();
hbl->addWidget( le );
hbl->addWidget( pb );
myWidget = new QWidget( parent );
myWidget->setBackgroundRole( QPalette::Window );
myWidget->setAutoFillBackground( true );
myWidget->setLayout( hbl );
}
if ( pb )
{
if ( editType == QgsVectorLayer::FileName )
connect( pb, SIGNAL( clicked() ), new QgsAttributeEditor( pb ), SLOT( selectFileName() ) );
if ( editType == QgsVectorLayer::Calendar )
connect( pb, SIGNAL( clicked() ), new QgsAttributeEditor( pb ), SLOT( selectDate() ) );
}
}
break;
}
QMap<int, QWidget*>::const_iterator it = proxyWidgets.find( idx );
if ( it != proxyWidgets.end() )
{
if ( !synchronized )
{
myWidget->setEnabled( false );
}
}
else
{
proxyWidgets.insert( idx, myWidget );
}
setValue( myWidget, vl, idx, value );
return myWidget;
}
QWidget *QgsAttributeEditor::createAttributeEditor( QWidget *parent, QWidget *editor, QgsVectorLayer *vl, int idx, const QVariant &value )
{
if ( !vl )
return NULL;
QWidget *myWidget = NULL;
QgsVectorLayer::EditType editType = vl->editType( idx );
const QgsField &field = vl->pendingFields()[idx];
QVariant::Type myFieldType = field.type();
switch ( editType )
{
case QgsVectorLayer::UniqueValues:
{
QList<QVariant> values;
vl->dataProvider()->uniqueValues( idx, values );
QComboBox *cb = comboBox( editor, parent );
if ( cb )
{
cb->setEditable( false );
for ( QList<QVariant>::iterator it = values.begin(); it != values.end(); it++ )
cb->addItem( it->toString(), it->toString() );
myWidget = cb;
}
}
break;
case QgsVectorLayer::Enumeration:
{
QStringList enumValues;
vl->dataProvider()->enumValues( idx, enumValues );
QComboBox *cb = comboBox( editor, parent );
if ( cb )
{
QStringList::const_iterator s_it = enumValues.constBegin();
for ( ; s_it != enumValues.constEnd(); ++s_it )
{
cb->addItem( *s_it, *s_it );
}
myWidget = cb;
}
}
break;
case QgsVectorLayer::ValueMap:
{
const QMap<QString, QVariant> &map = vl->valueMap( idx );
QComboBox *cb = comboBox( editor, parent );
if ( cb )
{
for ( QMap<QString, QVariant>::const_iterator it = map.begin(); it != map.end(); it++ )
{
cb->addItem( it.key(), it.value() );
}
myWidget = cb;
}
}
break;
case QgsVectorLayer::ValueRelation:
{
QSettings settings;
QString nullValue = settings.value( "qgis/nullValue", "NULL" ).toString();
const QgsVectorLayer::ValueRelationData &data = vl->valueRelation( idx );
QgsVectorLayer *layer = qobject_cast<QgsVectorLayer*>( QgsMapLayerRegistry::instance()->mapLayer( data.mLayer ) );
QMap< QString, QString > map;
if ( layer )
{
int ki = layer->fieldNameIndex( data.mOrderByValue ? data.mValue : data.mKey );
int vi = layer->fieldNameIndex( data.mOrderByValue ? data.mKey : data.mValue );
if ( data.mAllowNull )
map.insert( nullValue, tr( "(no selection)" ) );
if ( ki >= 0 && vi >= 0 )
{
layer->select( QgsAttributeList() << ki << vi, QgsRectangle(), false );
QgsFeature f;
while ( layer->nextFeature( f ) )
{
map.insert( f.attributeMap()[ ki ].toString(), f.attributeMap()[ vi ].toString() );
}
}
}
QComboBox *cb = comboBox( editor, parent );
if ( cb )
{
for ( QMap< QString, QString >::const_iterator it = map.begin(); it != map.end(); it++ )
{
if ( data.mOrderByValue )
cb->addItem( it.key(), it.value() );
else
cb->addItem( it.value(), it.key() );
}
myWidget = cb;
}
}
break;
case QgsVectorLayer::Classification:
{
QMap<QString, QString> classes;
const QgsUniqueValueRenderer *uvr = dynamic_cast<const QgsUniqueValueRenderer *>( vl->renderer() );
if ( uvr )
{
const QList<QgsSymbol *> symbols = uvr->symbols();
for ( int i = 0; i < symbols.size(); i++ )
{
QString label = symbols[i]->label();
QString name = symbols[i]->lowerValue();
if ( label == "" )
label = name;
classes.insert( name, label );
}
}
const QgsCategorizedSymbolRendererV2 *csr = dynamic_cast<const QgsCategorizedSymbolRendererV2 *>( vl->rendererV2() );
if ( csr )
{
const QgsCategoryList &categories = (( QgsCategorizedSymbolRendererV2 * )csr )->categories(); // FIXME: QgsCategorizedSymbolRendererV2::categories() should be const
for ( int i = 0; i < categories.size(); i++ )
{
QString label = categories[i].label();
QString value = categories[i].value().toString();
if ( label.isEmpty() )
label = value;
classes.insert( value, label );
}
}
QComboBox *cb = comboBox( editor, parent );
if ( cb )
{
for ( QMap<QString, QString>::const_iterator it = classes.begin(); it != classes.end(); it++ )
{
cb->addItem( it.value(), it.key() );
}
myWidget = cb;
}
}
break;
case QgsVectorLayer::DialRange:
case QgsVectorLayer::SliderRange:
case QgsVectorLayer::EditRange:
{
if ( myFieldType == QVariant::Int )
{
int min = vl->range( idx ).mMin.toInt();
int max = vl->range( idx ).mMax.toInt();
int step = vl->range( idx ).mStep.toInt();
if ( editType == QgsVectorLayer::EditRange )
{
QSpinBox *sb = NULL;
if ( editor )
sb = qobject_cast<QSpinBox *>( editor );
else
sb = new QSpinBox( parent );
if ( sb )
{
sb->setRange( min, max );
sb->setSingleStep( step );
myWidget = sb;
}
}
else
{
QAbstractSlider *sl = NULL;
if ( editor )
{
sl = qobject_cast<QAbstractSlider*>( editor );
}
else if ( editType == QgsVectorLayer::DialRange )
{
sl = new QDial( parent );
}
else
{
sl = new QSlider( Qt::Horizontal, parent );
}
if ( sl )
{
sl->setRange( min, max );
sl->setSingleStep( step );
myWidget = sl;
}
}
break;
}
else if ( myFieldType == QVariant::Double )
{
QDoubleSpinBox *dsb = NULL;
if ( editor )
dsb = qobject_cast<QDoubleSpinBox*>( editor );
else
dsb = new QDoubleSpinBox( parent );
if ( dsb )
{
double min = vl->range( idx ).mMin.toDouble();
double max = vl->range( idx ).mMax.toDouble();
double step = vl->range( idx ).mStep.toDouble();
dsb->setRange( min, max );
dsb->setSingleStep( step );
myWidget = dsb;
}
break;
}
}
case QgsVectorLayer::CheckBox:
{
QCheckBox *cb = NULL;
if ( editor )
cb = qobject_cast<QCheckBox*>( editor );
else
cb = new QCheckBox( parent );
if ( cb )
{
myWidget = cb;
break;
}
}
// fall-through
case QgsVectorLayer::LineEdit:
case QgsVectorLayer::TextEdit:
case QgsVectorLayer::UniqueValuesEditable:
case QgsVectorLayer::Immutable:
{
QLineEdit *le = NULL;
QTextEdit *te = NULL;
QPlainTextEdit *pte = NULL;
if ( editor )
{
le = qobject_cast<QLineEdit *>( editor );
te = qobject_cast<QTextEdit *>( editor );
pte = qobject_cast<QPlainTextEdit *>( editor );
}
else if ( editType == QgsVectorLayer::TextEdit )
{
pte = new QPlainTextEdit( parent );
}
else
{
le = new QLineEdit( parent );
}
if ( le )
{
if ( editType == QgsVectorLayer::UniqueValuesEditable )
{
QList<QVariant> values;
vl->dataProvider()->uniqueValues( idx, values );
QStringList svalues;
for ( QList<QVariant>::const_iterator it = values.begin(); it != values.end(); it++ )
svalues << it->toString();
QCompleter *c = new QCompleter( svalues );
c->setCompletionMode( QCompleter::PopupCompletion );
le->setCompleter( c );
}
le->setValidator( new QgsFieldValidator( le, field ) );
myWidget = le;
}
if ( te )
{
te->setAcceptRichText( true );
myWidget = te;
}
if ( pte )
{
myWidget = pte;
}
if ( myWidget )
{
myWidget->setDisabled( editType == QgsVectorLayer::Immutable );
}
}
break;
case QgsVectorLayer::Hidden:
myWidget = NULL;
break;
case QgsVectorLayer::FileName:
case QgsVectorLayer::Calendar:
{
QPushButton *pb = NULL;
QLineEdit *le = qobject_cast<QLineEdit *>( editor );
if ( le )
{
if ( le )
myWidget = le;
if ( editor->parent() )
{
pb = editor->parent()->findChild<QPushButton *>();
}
}
else
{
le = new QLineEdit();
pb = new QPushButton( tr( "..." ) );
QHBoxLayout *hbl = new QHBoxLayout();
hbl->addWidget( le );
hbl->addWidget( pb );
myWidget = new QWidget( parent );
myWidget->setBackgroundRole( QPalette::Window );
myWidget->setAutoFillBackground( true );
myWidget->setLayout( hbl );
}
if ( pb )
{
if ( editType == QgsVectorLayer::FileName )
connect( pb, SIGNAL( clicked() ), new QgsAttributeEditor( pb ), SLOT( selectFileName() ) );
if ( editType == QgsVectorLayer::Calendar )
connect( pb, SIGNAL( clicked() ), new QgsAttributeEditor( pb ), SLOT( selectDate() ) );
}
}
break;
}
setValue( myWidget, vl, idx, value );
return myWidget;
}