QgsMapLayer::QgsMapLayer( QgsMapLayer::LayerType type,
QString lyrname,
QString source ) :
mValid( false ), // assume the layer is invalid
mDataSource( source ),
mLayerOrigName( lyrname ), // store the original name
mID( "" ),
mLayerType( type ),
mBlendMode( QPainter::CompositionMode_SourceOver ) // Default to normal blending
{
mCRS = new QgsCoordinateReferenceSystem();
// Set the display name = internal name
QgsDebugMsg( "original name: '" + mLayerOrigName + "'" );
mLayerName = capitaliseLayerName( mLayerOrigName );
QgsDebugMsg( "display name: '" + mLayerName + "'" );
// Generate the unique ID of this layer
QDateTime dt = QDateTime::currentDateTime();
mID = lyrname + dt.toString( "yyyyMMddhhmmsszzz" );
// Tidy the ID up to avoid characters that may cause problems
// elsewhere (e.g in some parts of XML). Replaces every non-word
// character (word characters are the alphabet, numbers and
// underscore) with an underscore.
// Note that the first backslashe in the regular expression is
// there for the compiler, so the pattern is actually \W
mID.replace( QRegExp( "[\\W]" ), "_" );
//set some generous defaults for scale based visibility
mMinScale = 0;
mMaxScale = 100000000;
mScaleBasedVisibility = false;
}
/** Write property of QString layerName. */
void QgsMapLayer::setLayerName( const QString & name )
{
QgsDebugMsg( "new name is '" + name + "'" );
QString newName = capitaliseLayerName( name );
if ( newName == mLayerName ) return;
mLayerName = newName;
emit layerNameChanged();
}
/** Write property of QString layerName. */
void QgsMapLayer::setLayerName( const QString & name )
{
QgsDebugMsg( "new original name: '" + name + "'" );
QString newName = capitaliseLayerName( name );
QgsDebugMsg( "new display name: '" + name + "'" );
if ( name == mLayerOrigName && newName == mLayerName ) return;
mLayerOrigName = name; // store the new original name
mLayerName = newName;
emit layerNameChanged();
}
/** Write property of QString layerName. */
void QgsMapLayer::setLayerName( const QString & name )
{
QgsDebugMsg( "new name is '" + name + "'" );
mLayerName = capitaliseLayerName( name );
emit layerNameChanged();
}
