QVariant QgsBrowserModel::data( const QModelIndex &index, int role ) const
{
if ( !index.isValid() )
return QVariant();
QgsDataItem *item = dataItem( index );
if ( !item )
{
return QVariant();
}
else if ( role == Qt::DisplayRole || role == Qt::EditRole )
{
return item->name();
}
else if ( role == QgsBrowserModel::SortRole )
{
return item->sortKey();
}
else if ( role == Qt::ToolTipRole )
{
return item->toolTip();
}
else if ( role == Qt::DecorationRole && index.column() == 0 )
{
return item->icon();
}
else if ( role == QgsBrowserModel::PathRole )
{
return item->path();
}
else if ( role == QgsBrowserModel::CommentRole )
{
if ( item->type() == QgsDataItem::Layer )
{
QgsLayerItem *lyrItem = qobject_cast<QgsLayerItem *>( item );
return lyrItem->comments();
}
return QVariant();
}
else
{
// unsupported role
return QVariant();
}
}
void QgsBrowserDockWidget::itemClicked( const QModelIndex& index )
{
QgsDataItem *item = mModel->dataItem( index );
if ( !item )
return;
QgsLayerItem *layerItem = qobject_cast<QgsLayerItem*>( mModel->dataItem( index ) );
if ( layerItem == NULL )
return;
QString uri = layerItem->uri();
if ( uri.isEmpty() )
return;
QgsMapLayer::LayerType type = layerItem->mapLayerType();
QString providerKey = layerItem->providerKey();
QgsDebugMsg( providerKey + " : " + uri );
QgsMapLayer* layer = NULL;
if ( type == QgsMapLayer::VectorLayer )
{
layer = new QgsVectorLayer( uri, layerItem->name(), providerKey );
}
if ( type == QgsMapLayer::RasterLayer )
{
// This should go to WMS provider
QStringList URIParts = uri.split( "|" );
QString rasterLayerPath = URIParts.at( 0 );
QStringList layers;
QStringList styles;
QString format;
QString crs;
for ( int i = 1 ; i < URIParts.size(); i++ )
{
QString part = URIParts.at( i );
int pos = part.indexOf( "=" );
QString field = part.left( pos );
QString value = part.mid( pos + 1 );
if ( field == "layers" )
layers = value.split( "," );
if ( field == "styles" )
styles = value.split( "," );
if ( field == "format" )
format = value;
if ( field == "crs" )
crs = value;
}
QgsDebugMsg( "rasterLayerPath = " + rasterLayerPath );
QgsDebugMsg( "layers = " + layers.join( " " ) );
layer = new QgsRasterLayer( 0, rasterLayerPath, layerItem->name(), providerKey, layers, styles, format, crs );
}
if ( !layer || !layer->isValid() )
{
qDebug( "No layer" );
delete layer;
return;
}
// add layer to the application
QgsMapLayerRegistry::instance()->addMapLayer( layer );
}
void QgsBrowserLayerProperties::setItem( QgsDataItem* item )
{
QgsLayerItem *layerItem = qobject_cast<QgsLayerItem*>( item );
if ( !layerItem )
return;
mNoticeLabel->clear();
QgsMapLayer::LayerType type = layerItem->mapLayerType();
QString layerMetadata = tr( "Error" );
QgsCoordinateReferenceSystem layerCrs;
// temporarily override /Projections/defaultBehaviour to avoid dialog prompt
QSettings settings;
QString defaultProjectionOption = settings.value( "/Projections/defaultBehaviour", "prompt" ).toString();
if ( settings.value( "/Projections/defaultBehaviour", "prompt" ).toString() == "prompt" )
{
settings.setValue( "/Projections/defaultBehaviour", "useProject" );
}
// find root item
// we need to create a temporary layer to get metadata
// we could use a provider but the metadata is not as complete and "pretty" and this is easier
QgsDebugMsg( QString( "creating temporary layer using path %1" ).arg( layerItem->path() ) );
if ( type == QgsMapLayer::RasterLayer )
{
QgsDebugMsg( "creating raster layer" );
// should copy code from addLayer() to split uri ?
QgsRasterLayer* layer = new QgsRasterLayer( layerItem->uri(), layerItem->uri(), layerItem->providerKey() );
if ( layer )
{
if ( layer->isValid() )
{
layerCrs = layer->crs();
layerMetadata = layer->metadata();
}
delete layer;
}
}
else if ( type == QgsMapLayer::VectorLayer )
{
QgsDebugMsg( "creating vector layer" );
QgsVectorLayer* layer = new QgsVectorLayer( layerItem->uri(), layerItem->name(), layerItem->providerKey() );
if ( layer )
{
if ( layer->isValid() )
{
layerCrs = layer->crs();
layerMetadata = layer->metadata();
}
delete layer;
}
}
else if ( type == QgsMapLayer::PluginLayer )
{
// TODO: support display of properties for plugin layers
return;
}
// restore /Projections/defaultBehaviour
if ( defaultProjectionOption == "prompt" )
{
settings.setValue( "/Projections/defaultBehaviour", defaultProjectionOption );
}
mNameLabel->setText( layerItem->name() );
mUriLabel->setText( layerItem->uri() );
mProviderLabel->setText( layerItem->providerKey() );
QString myStyle = QgsApplication::reportStyleSheet();
mMetadataTextBrowser->document()->setDefaultStyleSheet( myStyle );
mMetadataTextBrowser->setHtml( layerMetadata );
// report if layer was set to to project crs without prompt (may give a false positive)
if ( defaultProjectionOption == "prompt" )
{
QgsCoordinateReferenceSystem defaultCrs =
QgisApp::instance()->mapCanvas()->mapSettings().destinationCrs();
if ( layerCrs == defaultCrs )
mNoticeLabel->setText( "NOTICE: Layer srs set from project (" + defaultCrs.authid() + ')' );
}
if ( mNoticeLabel->text().isEmpty() )
{
mNoticeLabel->hide();
}
}
void QgsBrowserDockWidget::showProperties( )
{
QgsDebugMsg( "Entered" );
QgsDataItem* dataItem = mModel->dataItem( mBrowserView->currentIndex() );
if ( dataItem != NULL && dataItem->type() == QgsDataItem::Layer )
{
QgsLayerItem *layerItem = qobject_cast<QgsLayerItem*>( dataItem );
if ( layerItem != NULL )
{
QgsMapLayer::LayerType type = layerItem->mapLayerType();
QString layerMetadata = tr( "Error" );
QgsCoordinateReferenceSystem layerCrs;
QString notice;
// temporarily override /Projections/defaultBehaviour to avoid dialog prompt
QSettings settings;
QString defaultProjectionOption = settings.value( "/Projections/defaultBehaviour", "prompt" ).toString();
if ( settings.value( "/Projections/defaultBehaviour", "prompt" ).toString() == "prompt" )
{
settings.setValue( "/Projections/defaultBehaviour", "useProject" );
}
// find root item
// we need to create a temporary layer to get metadata
// we could use a provider but the metadata is not as complete and "pretty" and this is easier
QgsDebugMsg( QString( "creating temporary layer using path %1" ).arg( layerItem->path() ) );
if ( type == QgsMapLayer::RasterLayer )
{
QgsDebugMsg( "creating raster layer" );
// should copy code from addLayer() to split uri ?
QgsRasterLayer* layer = new QgsRasterLayer( layerItem->uri(), layerItem->uri(), layerItem->providerKey() );
if ( layer != NULL )
{
layerCrs = layer->crs();
layerMetadata = layer->metadata();
delete layer;
}
}
else if ( type == QgsMapLayer::VectorLayer )
{
QgsDebugMsg( "creating vector layer" );
QgsVectorLayer* layer = new QgsVectorLayer( layerItem->uri(), layerItem->name(), layerItem->providerKey() );
if ( layer != NULL )
{
layerCrs = layer->crs();
layerMetadata = layer->metadata();
delete layer;
}
}
// restore /Projections/defaultBehaviour
if ( defaultProjectionOption == "prompt" )
{
settings.setValue( "/Projections/defaultBehaviour", defaultProjectionOption );
}
// initialize dialog
QDialog *dialog = new QDialog( this );
Ui::QgsBrowserLayerPropertiesBase ui;
ui.setupUi( dialog );
dialog->setWindowTitle( tr( "Layer Properties" ) );
ui.leName->setText( layerItem->name() );
ui.leSource->setText( layerItem->path() );
ui.leProvider->setText( layerItem->providerKey() );
QString myStyle = QgsApplication::reportStyleSheet();
ui.txtbMetadata->document()->setDefaultStyleSheet( myStyle );
ui.txtbMetadata->setHtml( layerMetadata );
// report if layer was set to to project crs without prompt (may give a false positive)
if ( defaultProjectionOption == "prompt" )
{
QgsCoordinateReferenceSystem defaultCrs =
QgisApp::instance()->mapCanvas()->mapRenderer()->destinationCrs();
if ( layerCrs == defaultCrs )
ui.lblNotice->setText( "NOTICE: Layer srs set from project (" + defaultCrs.authid() + ")" );
}
dialog->show();
}
}
}
void QgsBrowserLayerProperties::setItem( QgsDataItem *item )
{
QgsLayerItem *layerItem = qobject_cast<QgsLayerItem *>( item );
if ( !layerItem )
return;
mNoticeLabel->clear();
QgsMapLayer::LayerType type = layerItem->mapLayerType();
QString layerMetadata = tr( "Error" );
QgsCoordinateReferenceSystem layerCrs;
QString defaultProjectionOption = QgsSettings().value( QStringLiteral( "Projections/defaultBehavior" ), "prompt" ).toString();
// temporarily override /Projections/defaultBehavior to avoid dialog prompt
// TODO - remove when there is a cleaner way to block the unknown projection dialog!
ProjectionSettingRestorer restorer;
( void )restorer; // no warnings
mLayer.reset();
// find root item
// we need to create a temporary layer to get metadata
// we could use a provider but the metadata is not as complete and "pretty" and this is easier
QgsDebugMsg( QStringLiteral( "creating temporary layer using path %1" ).arg( layerItem->path() ) );
if ( type == QgsMapLayer::RasterLayer )
{
QgsDebugMsg( QStringLiteral( "creating raster layer" ) );
// should copy code from addLayer() to split uri ?
mLayer = qgis::make_unique< QgsRasterLayer >( layerItem->uri(), layerItem->name(), layerItem->providerKey() );
}
else if ( type == QgsMapLayer::MeshLayer )
{
QgsDebugMsg( QStringLiteral( "creating mesh layer" ) );
mLayer = qgis::make_unique < QgsMeshLayer >( layerItem->uri(), layerItem->name(), layerItem->providerKey() );
}
else if ( type == QgsMapLayer::VectorLayer )
{
QgsDebugMsg( QStringLiteral( "creating vector layer" ) );
mLayer = qgis::make_unique < QgsVectorLayer>( layerItem->uri(), layerItem->name(), layerItem->providerKey() );
}
else if ( type == QgsMapLayer::PluginLayer )
{
// TODO: support display of properties for plugin layers
return;
}
if ( mLayer && mLayer->isValid() )
{
bool ok = false;
mLayer->loadDefaultMetadata( ok );
layerCrs = mLayer->crs();
layerMetadata = mLayer->htmlMetadata();
mMapCanvas->setDestinationCrs( mLayer->crs() );
mMapCanvas->setLayers( QList< QgsMapLayer * >() << mLayer.get() );
mMapCanvas->zoomToFullExtent();
}
QString myStyle = QgsApplication::reportStyleSheet();
mMetadataTextBrowser->document()->setDefaultStyleSheet( myStyle );
mMetadataTextBrowser->setHtml( layerMetadata );
// report if layer was set to to project crs without prompt (may give a false positive)
if ( defaultProjectionOption == QLatin1String( "prompt" ) )
{
QgsCoordinateReferenceSystem defaultCrs =
QgsProject::instance()->crs();
if ( layerCrs == defaultCrs )
mNoticeLabel->setText( "NOTICE: Layer CRS set from project (" + defaultCrs.authid() + ')' );
}
if ( mNoticeLabel->text().isEmpty() )
{
mNoticeLabel->hide();
}
}
