void QgsAttributeTypeLoadDialog::loadDataToValueMap()
{
mValueMap.clear();
int idx = keyComboBox->itemData( keyComboBox->currentIndex() ).toInt();
int idx2 = valueComboBox->itemData( valueComboBox->currentIndex() ).toInt();
QgsMapLayer* dataLayer = QgsMapLayerRegistry::instance()->mapLayer( layerComboBox->currentText() );
QgsVectorLayer* vLayer = qobject_cast<QgsVectorLayer *>( dataLayer );
if ( vLayer == NULL )
{
return;
}
QgsVectorDataProvider* dataProvider = vLayer->dataProvider();
dataProvider->enableGeometrylessFeatures( true );
QgsAttributeList attributeList = QgsAttributeList();
attributeList.append( idx );
attributeList.append( idx2 );
vLayer->select( attributeList, QgsRectangle(), false );
QgsFeature f;
while ( vLayer->nextFeature( f ) )
{
QVariant val = f.attributeMap()[idx];
if ( val.isValid() && !val.isNull() && !val.toString().isEmpty() )
{
mValueMap.insert( f.attributeMap()[idx2].toString(), val );
}
}
dataProvider->enableGeometrylessFeatures( false );
}
void QgsMapToolSimplify::canvasPressEvent( QMouseEvent * e )
{
QgsVectorLayer * vlayer = currentVectorLayer();
QgsPoint layerCoords = mCanvas->getCoordinateTransform()->toMapPoint( e->pos().x(), e->pos().y() );
double r = QgsTolerance::vertexSearchRadius( vlayer, mCanvas->mapRenderer() );
QgsRectangle selectRect = QgsRectangle( layerCoords.x() - r, layerCoords.y() - r,
layerCoords.x() + r, layerCoords.y() + r );
vlayer->select( QgsAttributeList(), selectRect, true );
QgsGeometry* geometry = QgsGeometry::fromPoint( layerCoords );
double minDistance = DBL_MAX;
double currentDistance;
QgsFeature f;
mSelectedFeature.setValid( false );
while ( vlayer->nextFeature( f ) )
{
currentDistance = geometry->distance( *( f.geometry() ) );
if ( currentDistance < minDistance )
{
minDistance = currentDistance;
mSelectedFeature = f;
}
}
// delete previous rubberband (if any)
removeRubberBand();
if ( mSelectedFeature.isValid() )
{
if ( mSelectedFeature.geometry()->isMultipart() )
{
QMessageBox::critical( 0, tr( "Unsupported operation" ), tr( "Multipart features are not supported for simplification." ) );
return;
}
mRubberBand = new QgsRubberBand( mCanvas );
mRubberBand->setToGeometry( mSelectedFeature.geometry(), 0 );
mRubberBand->setColor( Qt::red );
mRubberBand->setWidth( 2 );
mRubberBand->show();
//calculate boudaries for slidebar
if ( calculateSliderBoudaries() )
{
// show dialog as a non-modal window
mSimplifyDialog->show();
}
else
{
QMessageBox::warning( 0, tr( "Unsupported operation" ), tr( "This feature cannot be simplified. Check if feature has enough vertices to be simplified." ) );
}
}
}
void QgsAttributeTypeLoadDialog::createPreview( int fieldIndex, bool full )
{
previewTableWidget->clearContents();
for ( int i = previewTableWidget->rowCount() - 1; i > 0; i-- )
{
previewTableWidget->removeRow( i );
}
if ( layerComboBox->currentIndex() < 0 || fieldIndex < 0 )
{
//when nothing is selected there is no reason for preview
return;
}
int idx = keyComboBox->itemData( keyComboBox->currentIndex() ).toInt();
int idx2 = valueComboBox->itemData( valueComboBox->currentIndex() ).toInt();
QgsMapLayer* dataLayer = QgsMapLayerRegistry::instance()->mapLayer( layerComboBox->currentText() );
QgsVectorLayer* vLayer = qobject_cast<QgsVectorLayer *>( dataLayer );
if ( vLayer == NULL )
{
return;
}
QgsVectorDataProvider* dataProvider = vLayer->dataProvider();
dataProvider->enableGeometrylessFeatures( true );
QgsAttributeList attributeList = QgsAttributeList();
attributeList.append( idx );
attributeList.append( idx2 );
vLayer->select( attributeList, QgsRectangle(), false );
QgsFeature f;
QMap<QString, QVariant> valueMap;
while ( vLayer->nextFeature( f ) )
{
QVariant val1 = f.attributeMap()[idx];
QVariant val2 = f.attributeMap()[idx2];
if ( val1.isValid() && !val1.isNull() && !val1.toString().isEmpty()
&& val2.isValid() && !val2.isNull() && !val2.toString().isEmpty() )
{
valueMap.insert( val1.toString(), val2.toString() );
}
if ( !full && valueMap.size() > 8 )
break; //just first entries all on button
}
int row = 0;
for ( QMap<QString, QVariant>::iterator mit = valueMap.begin(); mit != valueMap.end(); mit++, row++ )
{
previewTableWidget->insertRow( row );
previewTableWidget->setItem( row, 0, new QTableWidgetItem( mit.value().toString() ) );
previewTableWidget->setItem( row, 1, new QTableWidgetItem( mit.key() ) );
}
dataProvider->enableGeometrylessFeatures( false );
}
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;
}
void GlobePlugin::setupMap()
{
QSettings settings;
QString cacheDirectory = settings.value( "cache/directory", QgsApplication::qgisSettingsDirPath() + "cache" ).toString();
TMSCacheOptions cacheOptions;
cacheOptions.setPath( cacheDirectory.toStdString() );
MapOptions mapOptions;
mapOptions.cache() = cacheOptions;
osgEarth::Map *map = new osgEarth::Map( mapOptions );
//Default image layer
GDALOptions driverOptions;
driverOptions.url() = QDir::cleanPath( QgsApplication::pkgDataPath() + "/globe/world.tif" ).toStdString();
ImageLayerOptions layerOptions( "world", driverOptions );
layerOptions.cacheEnabled() = false;
map->addImageLayer( new osgEarth::ImageLayer( layerOptions ) );
MapNodeOptions nodeOptions;
//nodeOptions.proxySettings() =
//nodeOptions.enableLighting() = false;
//LoadingPolicy loadingPolicy( LoadingPolicy::MODE_SEQUENTIAL );
TerrainOptions terrainOptions;
//terrainOptions.loadingPolicy() = loadingPolicy;
terrainOptions.compositingTechnique() = TerrainOptions::COMPOSITING_MULTITEXTURE_FFP;
nodeOptions.setTerrainOptions( terrainOptions );
// The MapNode will render the Map object in the scene graph.
mMapNode = new osgEarth::MapNode( map, nodeOptions );
//prefill cache
if ( !QFile::exists( cacheDirectory + "/worldwind_srtm" ) )
{
copyFolder( QgsApplication::pkgDataPath() + "/globe/data/worldwind_srtm", cacheDirectory + "/globe/worldwind_srtm" );
}
mRootNode = new osg::Group();
mRootNode->addChild( mMapNode );
// Add layers to the map
layersChanged();
// model placement utils
mElevationManager = new osgEarth::Util::ElevationManager( mMapNode->getMap() );
mElevationManager->setTechnique( osgEarth::Util::ElevationManager::TECHNIQUE_GEOMETRIC );
mElevationManager->setMaxTilesToCache( 50 );
mObjectPlacer = new osgEarth::Util::ObjectPlacer( mMapNode );
// place 3D model on point layer
if ( mSettingsDialog.modelLayer() && !mSettingsDialog.modelPath().isEmpty() )
{
osg::Node* model = osgDB::readNodeFile( mSettingsDialog.modelPath().toStdString() );
if ( model )
{
QgsVectorLayer* layer = mSettingsDialog.modelLayer();
QgsAttributeList fetchAttributes;
layer->select( fetchAttributes ); //TODO: select only visible features
QgsFeature feature;
while ( layer->nextFeature( feature ) )
{
QgsPoint point = feature.geometry()->asPoint();
placeNode( model, point.y(), point.x() );
}
}
}
}
void RgLineVectorLayerDirector::makeGraph( RgGraphBuilder *builder, const QVector< QgsPoint >& additionalPoints,
QVector< QgsPoint >& tiedPoint ) const
{
QgsVectorLayer *vl = myLayer();
if ( vl == NULL )
return;
int featureCount = ( int ) vl->featureCount() * 2;
int step = 0;
QgsCoordinateTransform ct;
QgsDistanceArea da;
ct.setSourceCrs( vl->crs() );
if ( builder->coordinateTransformEnabled() )
{
ct.setDestCRS( builder->destinationCrs() );
da.setProjectionsEnabled( true );
//
//da.setSourceCrs( builder->destinationCrs().srsid() );
//
}
else
{
ct.setDestCRS( vl->crs() );
da.setProjectionsEnabled( false );
}
tiedPoint = QVector< QgsPoint >( additionalPoints.size(), QgsPoint( 0.0, 0.0 ) );
TiePointInfo tmpInfo;
tmpInfo.mLength = infinity();
QVector< TiePointInfo > pointLengthMap( additionalPoints.size(), tmpInfo );
QVector< TiePointInfo >::iterator pointLengthIt;
// begin: tie points to the graph
QgsAttributeList la;
vl->select( la );
QgsFeature feature;
while ( vl->nextFeature( feature ) )
{
QgsMultiPolyline mpl;
if ( feature.geometry()->wkbType() == QGis::WKBLineString )
{
mpl.push_back( feature.geometry()->asPolyline() );
}else if ( feature.geometry()->wkbType() == QGis::WKBMultiLineString )
{
mpl = feature.geometry()->asMultiPolyline();
}
QgsMultiPolyline::iterator mplIt;
for ( mplIt = mpl.begin(); mplIt != mpl.end(); ++mplIt )
{
QgsPoint pt1, pt2;
bool isFirstPoint = true;
QgsPolyline::iterator pointIt;
for ( pointIt = mplIt->begin(); pointIt != mplIt->end(); ++pointIt )
{
pt2 = builder->addVertex( ct.transform( *pointIt ) );
if ( !isFirstPoint )
{
int i = 0;
for ( i = 0; i != additionalPoints.size(); ++i )
{
TiePointInfo info;
if ( pt1 == pt2 )
{
info.mLength = additionalPoints[ i ].sqrDist( pt1 );
info.mTiedPoint = pt1;
}
else
{
info.mLength = additionalPoints[ i ].sqrDistToSegment( pt1.x(), pt1.y(), pt2.x(), pt2.y(), info.mTiedPoint );
}
if ( pointLengthMap[ i ].mLength > info.mLength )
{
info.mTiedPoint = builder->addVertex( info.mTiedPoint );
info.mFirstPoint = pt1;
info.mLastPoint = pt2;
pointLengthMap[ i ] = info;
tiedPoint[ i ] = info.mTiedPoint;
}
}
}
pt1 = pt2;
isFirstPoint = false;
}
}
emit buildProgress( ++step, featureCount );
}
// end: tie points to graph
if ( mDirectionFieldId != -1 )
{
la.push_back( mDirectionFieldId );
}
if ( mSpeedFieldId != -1 )
{
la.push_back( mSpeedFieldId );
}
SpeedUnit su = SpeedUnit::byName( mSpeedUnitName );
// begin graph construction
vl->select( la );
while ( vl->nextFeature( feature ) )
{
QgsAttributeMap attr = feature.attributeMap();
int directionType = mDefaultDirection;
QgsAttributeMap::const_iterator it;
// What direction have feature?
for ( it = attr.constBegin(); it != attr.constEnd(); ++it )
{
if ( it.key() != mDirectionFieldId )
{
continue;
}
QString str = it.value().toString();
if ( str == mBothDirectionValue )
{
directionType = 3;
}
else if ( str == mDirectDirectionValue )
{
directionType = 1;
}
else if ( str == mReverseDirectionValue )
{
directionType = 2;
}
}
// What speed have feature?
double speed = 0.0;
for ( it = attr.constBegin(); it != attr.constEnd(); ++it )
{
if ( it.key() != mSpeedFieldId )
{
continue;
}
speed = it.value().toDouble();
}
if ( speed <= 0.0 )
{
speed = mDefaultSpeed;
}
// begin features segments and add arc to the Graph;
QgsMultiPolyline mpl;
if ( feature.geometry()->wkbType() == QGis::WKBLineString )
{
mpl.push_back( feature.geometry()->asPolyline() );
}else if ( feature.geometry()->wkbType() == QGis::WKBMultiLineString )
{
mpl = feature.geometry()->asMultiPolyline();
}
QgsMultiPolyline::iterator mplIt;
for ( mplIt = mpl.begin(); mplIt != mpl.end(); ++mplIt )
{
QgsPoint pt1, pt2;
bool isFirstPoint = true;
QgsPolyline::iterator pointIt;
for ( pointIt = mplIt->begin(); pointIt != mplIt->end(); ++pointIt )
{
pt2 = builder->addVertex( ct.transform( *pointIt ) );
std::map< double, QgsPoint > pointsOnArc;
pointsOnArc[ 0.0 ] = pt1;
pointsOnArc[ pt1.sqrDist( pt2 )] = pt2;
for ( pointLengthIt = pointLengthMap.begin(); pointLengthIt != pointLengthMap.end(); ++pointLengthIt )
{
if ( pointLengthIt->mFirstPoint == pt1 && pointLengthIt->mLastPoint == pt2 )
{
QgsPoint tiedPoint = pointLengthIt->mTiedPoint;
pointsOnArc[ pt1.sqrDist( tiedPoint )] = tiedPoint;
}
}
if ( !isFirstPoint )
{
std::map< double, QgsPoint >::iterator pointsIt;
QgsPoint pt1;
QgsPoint pt2;
bool isFirstPoint = true;
for ( pointsIt = pointsOnArc.begin(); pointsIt != pointsOnArc.end(); ++pointsIt )
{
pt2 = pointsIt->second;
if ( !isFirstPoint )
{
double cost = da.measureLine( pt1, pt2 );
if ( directionType == 1 ||
directionType == 3 )
{
builder->addArc( pt1, pt2, cost, speed*su.multipler(), feature.id() );
}
if ( directionType == 2 ||
directionType == 3 )
{
builder->addArc( pt2, pt1, cost, speed*su.multipler(), feature.id() );
}
}
pt1 = pt2;
isFirstPoint = false;
}
} // if ( !isFirstPoint )
pt1 = pt2;
isFirstPoint = false;
}
} // for (it = pl.begin(); it != pl.end(); ++it)
emit buildProgress( ++step, featureCount );
} // while( vl->nextFeature(feature) )
} // makeGraph( RgGraphBuilder *builder, const QgsRectangle& rt )
void QgsMapToolSelectUtils::setSelectFeatures( QgsMapCanvas* canvas,
QgsGeometry* selectGeometry,
bool doContains,
bool doDifference,
bool singleSelect )
{
if ( selectGeometry->type() != QGis::Polygon )
{
return;
}
QgsVectorLayer* vlayer = QgsMapToolSelectUtils::getCurrentVectorLayer( canvas );
if ( vlayer == NULL )
{
return;
}
// toLayerCoordinates will throw an exception for any 'invalid' points in
// the rubber band.
// For example, if you project a world map onto a globe using EPSG 2163
// and then click somewhere off the globe, an exception will be thrown.
QgsGeometry selectGeomTrans( *selectGeometry );
if ( canvas->mapRenderer()->hasCrsTransformEnabled() )
{
try
{
QgsCoordinateTransform ct( canvas->mapRenderer()->destinationCrs(), vlayer->crs() );
selectGeomTrans.transform( ct );
}
catch ( QgsCsException &cse )
{
Q_UNUSED( cse );
// catch exception for 'invalid' point and leave existing selection unchanged
QgsLogger::warning( "Caught CRS exception " + QString( __FILE__ ) + ": " + QString::number( __LINE__ ) );
QMessageBox::warning( canvas, QObject::tr( "CRS Exception" ),
QObject::tr( "Selection extends beyond layer's coordinate system." ) );
return;
}
}
QApplication::setOverrideCursor( Qt::WaitCursor );
QgsDebugMsg( "Selection layer: " + vlayer->name() );
QgsDebugMsg( "Selection polygon: " + selectGeomTrans.exportToWkt() );
QgsDebugMsg( "doContains: " + QString( doContains ? "T" : "F" ) );
QgsDebugMsg( "doDifference: " + QString( doDifference ? "T" : "F" ) );
vlayer->select( QgsAttributeList(), selectGeomTrans.boundingBox(), true, true );
QgsFeatureIds newSelectedFeatures;
QgsFeature f;
QgsFeatureId closestFeatureId = 0;
bool foundSingleFeature = false;
double closestFeatureDist = std::numeric_limits<double>::max();
while ( vlayer->nextFeature( f ) )
{
QgsGeometry* g = f.geometry();
if ( doContains )
{
if ( !selectGeomTrans.contains( g ) )
continue;
}
else
{
if ( !selectGeomTrans.intersects( g ) )
continue;
}
if ( singleSelect )
{
foundSingleFeature = true;
double distance = g->distance( selectGeomTrans );
if ( distance <= closestFeatureDist )
{
closestFeatureDist = distance;
closestFeatureId = f.id();
}
}
else
{
newSelectedFeatures.insert( f.id() );
}
}
if ( singleSelect && foundSingleFeature )
{
newSelectedFeatures.insert( closestFeatureId );
}
QgsDebugMsg( "Number of new selected features: " + QString::number( newSelectedFeatures.size() ) );
QgsFeatureIds layerSelectedFeatures;
if ( doDifference )
{
layerSelectedFeatures = vlayer->selectedFeaturesIds();
QgsFeatureIds::const_iterator i = newSelectedFeatures.constEnd();
while ( i != newSelectedFeatures.constBegin() )
{
--i;
if ( layerSelectedFeatures.contains( *i ) )
{
layerSelectedFeatures.remove( *i );
}
else
{
layerSelectedFeatures.insert( *i );
}
}
}
else
{
layerSelectedFeatures = newSelectedFeatures;
}
vlayer->setSelectedFeatures( layerSelectedFeatures );
QApplication::restoreOverrideCursor();
}
void QgsMapToolReshape::canvasReleaseEvent( QMouseEvent * e )
{
//check if we operate on a vector layer //todo: move this to a function in parent class to avoid duplication
QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer *>( mCanvas->currentLayer() );
if ( !vlayer )
{
QMessageBox::information( 0, tr( "Not a vector layer" ),
tr( "The current layer is not a vector layer" ) );
return;
}
if ( !vlayer->isEditable() )
{
QMessageBox::information( 0, tr( "Layer not editable" ),
tr( "Cannot edit the vector layer. Use 'Toggle Editing' to make it editable." )
);
return;
}
//add point to list and to rubber band
int error = addVertex( e->pos() );
if ( error == 1 )
{
//current layer is not a vector layer
return;
}
else if ( error == 2 )
{
//problem with coordinate transformation
QMessageBox::information( 0, tr( "Coordinate transform error" ),
tr( "Cannot transform the point to the layers coordinate system" ) );
return;
}
if ( e->button() == Qt::LeftButton )
{
startCapturing();
}
else if ( e->button() == Qt::RightButton )
{
//find out bounding box of mCaptureList
if ( size() < 1 )
{
stopCapturing();
return;
}
QgsPoint firstPoint = points().at( 0 );
QgsRectangle bbox( firstPoint.x(), firstPoint.y(), firstPoint.x(), firstPoint.y() );
for ( int i = 1; i < size(); ++i )
{
bbox.combineExtentWith( points().at( i ).x(), points().at( i ).y() );
}
//query all the features that intersect bounding box of capture line
vlayer->select( QgsAttributeList(), bbox, true, false );
QgsFeature f;
int reshapeReturn;
bool reshapeDone = false;
vlayer->beginEditCommand( tr( "Reshape" ) );
while ( vlayer->nextFeature( f ) )
{
//query geometry
//call geometry->reshape(mCaptureList)
//register changed geometry in vector layer
QgsGeometry* geom = f.geometry();
if ( geom )
{
reshapeReturn = geom->reshapeGeometry( points() );
if ( reshapeReturn == 0 )
{
vlayer->changeGeometry( f.id(), geom );
reshapeDone = true;
}
}
}
if ( reshapeDone )
{
vlayer->endEditCommand();
}
else
{
vlayer->destroyEditCommand();
}
stopCapturing();
}
}
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;
}
void QgsOfflineEditing::copyVectorLayer( QgsVectorLayer* layer, sqlite3* db, const QString& offlineDbPath )
{
if ( layer == NULL )
{
return;
}
QString tableName = layer->name();
// create table
QString sql = QString( "CREATE TABLE '%1' (" ).arg( tableName );
QString delim = "";
const QgsFieldMap& fields = layer->dataProvider()->fields();
for ( QgsFieldMap::const_iterator it = fields.begin(); it != fields.end() ; ++it )
{
QString dataType = "";
QVariant::Type type = it.value().type();
if ( type == QVariant::Int )
{
dataType = "INTEGER";
}
else if ( type == QVariant::Double )
{
dataType = "REAL";
}
else if ( type == QVariant::String )
{
dataType = "TEXT";
}
else
{
showWarning( tr( "Unknown data type %1" ).arg( type ) );
}
sql += delim + QString( "'%1' %2" ).arg( it.value().name() ).arg( dataType );
delim = ",";
}
sql += ")";
// add geometry column
QString geomType = "";
switch ( layer->wkbType() )
{
case QGis::WKBPoint:
geomType = "POINT";
break;
case QGis::WKBMultiPoint:
geomType = "MULTIPOINT";
break;
case QGis::WKBLineString:
geomType = "LINESTRING";
break;
case QGis::WKBMultiLineString:
geomType = "MULTILINESTRING";
break;
case QGis::WKBPolygon:
geomType = "POLYGON";
break;
case QGis::WKBMultiPolygon:
geomType = "MULTIPOLYGON";
break;
default:
showWarning( tr( "QGIS wkbType %1 not supported" ).arg( layer->wkbType() ) );
break;
};
QString sqlAddGeom = QString( "SELECT AddGeometryColumn('%1', 'Geometry', %2, '%3', 2)" )
.arg( tableName )
.arg( layer->crs().authid().startsWith( "EPSG:", Qt::CaseInsensitive ) ? layer->crs().authid().mid( 5 ).toLong() : 0 )
.arg( geomType );
// create spatial index
QString sqlCreateIndex = QString( "SELECT CreateSpatialIndex('%1', 'Geometry')" ).arg( tableName );
int rc = sqlExec( db, sql );
if ( rc == SQLITE_OK )
{
rc = sqlExec( db, sqlAddGeom );
if ( rc == SQLITE_OK )
{
rc = sqlExec( db, sqlCreateIndex );
}
}
if ( rc == SQLITE_OK )
{
// add new layer
QgsVectorLayer* newLayer = new QgsVectorLayer( QString( "dbname='%1' table='%2'(Geometry) sql=" )
.arg( offlineDbPath ).arg( tableName ), tableName + " (offline)", "spatialite" );
if ( newLayer->isValid() )
{
// mark as offline layer
newLayer->setCustomProperty( CUSTOM_PROPERTY_IS_OFFLINE_EDITABLE, true );
// store original layer source
newLayer->setCustomProperty( CUSTOM_PROPERTY_REMOTE_SOURCE, layer->source() );
newLayer->setCustomProperty( CUSTOM_PROPERTY_REMOTE_PROVIDER, layer->providerType() );
// copy style
bool hasLabels = layer->hasLabelsEnabled();
if ( !hasLabels )
{
// NOTE: copy symbology before adding the layer so it is displayed correctly
copySymbology( layer, newLayer );
}
// register this layer with the central layers registry
QgsMapLayerRegistry::instance()->addMapLayer( newLayer );
if ( hasLabels )
{
// NOTE: copy symbology of layers with labels enabled after adding to project, as it will crash otherwise (WORKAROUND)
copySymbology( layer, newLayer );
}
// TODO: layer order
// copy features
newLayer->startEditing();
QgsFeature f;
// NOTE: force feature recount for PostGIS layer, else only visible features are counted, before iterating over all features (WORKAROUND)
layer->setSubsetString( "" );
layer->select( layer->pendingAllAttributesList(), QgsRectangle(), true, false );
mProgressDialog->setupProgressBar( tr( "%v / %m features copied" ), layer->featureCount() );
int featureCount = 1;
QList<int> remoteFeatureIds;
while ( layer->nextFeature( f ) )
{
remoteFeatureIds << f.id();
// NOTE: Spatialite provider ignores position of geometry column
// fill gap in QgsAttributeMap if geometry column is not last (WORKAROUND)
int column = 0;
QgsAttributeMap newAttrMap;
QgsAttributeMap attrMap = f.attributeMap();
for ( QgsAttributeMap::const_iterator it = attrMap.begin(); it != attrMap.end(); ++it )
{
newAttrMap.insert( column++, it.value() );
}
f.setAttributeMap( newAttrMap );
newLayer->addFeature( f, false );
mProgressDialog->setProgressValue( featureCount++ );
}
if ( newLayer->commitChanges() )
{
mProgressDialog->setupProgressBar( tr( "%v / %m features processed" ), layer->featureCount() );
featureCount = 1;
// update feature id lookup
int layerId = getOrCreateLayerId( db, newLayer->id() );
QList<int> offlineFeatureIds;
newLayer->select( QgsAttributeList(), QgsRectangle(), false, false );
while ( newLayer->nextFeature( f ) )
{
offlineFeatureIds << f.id();
}
// NOTE: insert fids in this loop, as the db is locked during newLayer->nextFeature()
sqlExec( db, "BEGIN" );
for ( int i = 0; i < remoteFeatureIds.size(); i++ )
{
addFidLookup( db, layerId, offlineFeatureIds.at( i ), remoteFeatureIds.at( i ) );
mProgressDialog->setProgressValue( featureCount++ );
}
sqlExec( db, "COMMIT" );
}
else
{
showWarning( newLayer->commitErrors().join( "\n" ) );
}
// remove remote layer
QgsMapLayerRegistry::instance()->removeMapLayer( layer->id() );
}
}
}
