bool QgsGplColorScheme::setColors( const QgsNamedColorList &colors, const QString &context, const QColor &baseColor )
{
Q_UNUSED( context );
Q_UNUSED( baseColor );
QString destFilePath = gplFilePath();
if ( destFilePath.isEmpty() )
{
return false;
}
QFile destFile( destFilePath );
if ( QgsSymbolLayerUtils::saveColorsToGpl( destFile, schemeName(), colors ) )
{
if ( QgsApplication::colorSchemeRegistry()->randomStyleColorScheme() == this )
{
// force a re-generation of the random style color list, since the color list has changed
QgsApplication::colorSchemeRegistry()->setRandomStyleColorScheme( this );
}
return true;
}
else
{
return false;
}
}
bool QgsUserColorScheme::erase()
{
QString filePath = gplFilePath();
if ( filePath.isEmpty() )
{
return false;
}
//try to erase gpl file
return QFile::remove( filePath );
}
QgsUserColorScheme::QgsUserColorScheme( const QString &filename )
: mFilename( filename )
{
QFile sourceFile( gplFilePath() );
//read in name
if ( sourceFile.open( QIODevice::ReadOnly ) )
{
QTextStream in( &sourceFile );
//find name line
QString line;
while ( !in.atEnd() && !line.startsWith( QLatin1String( "Name:" ) ) )
{
line = in.readLine();
}
if ( !in.atEnd() )
{
QRegExp rx( "Name:\\s*(\\S.*)$" );
if ( rx.indexIn( line ) != -1 )
{
mName = rx.cap( 1 );
}
}
}
if ( mName.isEmpty() )
{
mName = mFilename;
}
// we consider this scheme writable if the user has permission, OR
// if it DOESN'T already exist (since new schemes are only created when
// first written to)
QFileInfo sourceFileInfo( gplFilePath() );
mEditable = !sourceFileInfo.exists() || sourceFileInfo.isWritable();
}
QgsNamedColorList QgsGplColorScheme::fetchColors( const QString &context, const QColor &baseColor )
{
Q_UNUSED( context );
Q_UNUSED( baseColor );
QString sourceFilePath = gplFilePath();
if ( sourceFilePath.isEmpty() )
{
QgsNamedColorList noColors;
return noColors;
}
bool ok;
QString name;
QFile sourceFile( sourceFilePath );
return QgsSymbolLayerUtils::importColorsFromGpl( sourceFile, ok, name );
}
void QgsCompoundColorWidget::newPalette()
{
bool ok = false;
QString name = QInputDialog::getText( this, tr( "Create New Palette" ), tr( "Enter a name for the new palette:" ),
QLineEdit::Normal, tr( "New palette" ), &ok );
if ( !ok || name.isEmpty() )
{
//user canceled
return;
}
//generate file name for new palette
QDir palettePath( gplFilePath() );
QRegExp badChars( "[,^@={}\\[\\]~!?:&*\"|#%<>$\"'();`' /\\\\]" );
QString filename = name.simplified().toLower().replace( badChars, QStringLiteral( "_" ) );
if ( filename.isEmpty() )
{
filename = tr( "new_palette" );
}
QFileInfo destFileInfo( palettePath.filePath( filename + ".gpl" ) );
int fileNumber = 1;
while ( destFileInfo.exists() )
{
//try to generate a unique file name
destFileInfo = QFileInfo( palettePath.filePath( filename + QStringLiteral( "%1.gpl" ).arg( fileNumber ) ) );
fileNumber++;
}
QgsUserColorScheme *newScheme = new QgsUserColorScheme( destFileInfo.fileName() );
newScheme->setName( name );
QgsApplication::colorSchemeRegistry()->addColorScheme( newScheme );
//refresh combobox and set new scheme as active
refreshSchemeComboBox();
mSchemeComboBox->setCurrentIndex( mSchemeComboBox->count() - 1 );
}
