void QgsMeshCalculatorDialog::repopulateTimeCombos()
{
QgsMeshLayer *layer = meshLayer();
if ( !layer || !layer->dataProvider() )
return;
const QgsMeshDataProvider *dp = layer->dataProvider();
// extract all times from all datasets
QMap<QString, double> times;
for ( int groupIndex = 0; groupIndex < dp->datasetGroupCount(); ++groupIndex )
{
for ( int datasetIndex = 0; datasetIndex < dp->datasetCount( groupIndex ); ++datasetIndex )
{
const QgsMeshDatasetMetadata meta = dp->datasetMetadata( QgsMeshDatasetIndex( groupIndex, datasetIndex ) );
const double time = meta.time();
const QString timestr = QgsMeshRendererActiveDatasetWidget::formatTime( time ); // the format is "HH:mm:ss"
times[timestr] = time;
}
}
// sort by text
auto keys = times.keys();
keys.sort();
mStartTimeComboBox->blockSignals( true );
mEndTimeComboBox->blockSignals( true );
mStartTimeComboBox->clear();
mEndTimeComboBox->clear();
// populate combos
for ( const QString &key : keys )
{
mStartTimeComboBox->addItem( key, times[key] );
mEndTimeComboBox->addItem( key, times[key] );
}
mStartTimeComboBox->blockSignals( false );
mEndTimeComboBox->blockSignals( false );
if ( !times.empty() )
{
mStartTimeComboBox->setCurrentIndex( 0 );
mEndTimeComboBox->setCurrentIndex( times.size() - 1 );
}
}
void QgsMeshLayer::setActiveVectorDataset( int index )
{
if ( index == mActiveVectorDataset )
return;
if ( ( index < 0 ) || ( index >= dataProvider()->datasetCount() ) )
{
mActiveVectorDataset = NO_ACTIVE_MESH_DATASET;
}
else
{
const QgsMeshDatasetMetadata metadata = dataProvider()->datasetMetadata( index );
if ( metadata.isVector() )
mActiveVectorDataset = index;
else
mActiveVectorDataset = NO_ACTIVE_MESH_DATASET;
}
triggerRepaint();
}
void QgsMeshRendererActiveDatasetWidget::updateMetadata( QgsMeshDatasetIndex datasetIndex )
{
if ( !mMeshLayer ||
!mMeshLayer->dataProvider() ||
!datasetIndex.isValid() )
{
mActiveDatasetMetadata->setText( tr( "No dataset selected" ) );
}
else
{
QString msg;
msg += QStringLiteral( "<table>" );
const QgsMeshDatasetMetadata meta = mMeshLayer->dataProvider()->datasetMetadata( datasetIndex );
msg += QStringLiteral( "<tr><td>%1</td><td>%2</td></tr>" )
.arg( tr( "Is valid" ) )
.arg( meta.isValid() ? tr( "Yes" ) : tr( "No" ) );
msg += QStringLiteral( "<tr><td>%1</td><td>%2</td></tr>" )
.arg( tr( "Time" ) )
.arg( meta.time() );
const QgsMeshDatasetGroupMetadata gmeta = mMeshLayer->dataProvider()->datasetGroupMetadata( datasetIndex );
msg += QStringLiteral( "<tr><td>%1</td><td>%2</td></tr>" )
.arg( tr( "Data Type" ) )
.arg( gmeta.dataType() == QgsMeshDatasetGroupMetadata::DataOnVertices ? tr( "Defined on vertices" ) : tr( "Defined on faces" ) );
msg += QStringLiteral( "<tr><td>%1</td><td>%2</td></tr>" )
.arg( tr( "Is vector" ) )
.arg( gmeta.isVector() ? tr( "Yes" ) : tr( "No" ) );
for ( auto it = gmeta.extraOptions().constBegin(); it != gmeta.extraOptions().constEnd(); ++it )
{
msg += QStringLiteral( "<tr><td>%1</td><td>%2</td></tr>" ).arg( it.key() ).arg( it.value() );
}
msg += QStringLiteral( "</table>" );
mActiveDatasetMetadata->setText( msg );
}
}
void QgsMeshDatasetGroupTreeView::extractGroups()
{
// TODO replace with MDAL groups when introduced
mGroups.clear();
if ( !mMeshLayer || !mMeshLayer->dataProvider() )
return;
for ( int i = 0; i < mMeshLayer->dataProvider()->datasetCount(); ++i )
{
const QgsMeshDatasetMetadata meta = mMeshLayer->dataProvider()->datasetMetadata( i );
QString name = meta.extraOptions()["name"];
if ( mGroups.constFind( name ) == mGroups.constEnd() )
{
QVector<int> datasets;
datasets.append( i );
mGroups[name] = datasets;
}
else
{
mGroups[name].append( i );
}
}
}
