Ejemplo n.º 1
0
void QgsColorDialogV2::importPalette()
{
  QSettings s;
  QString lastDir = s.value( "/UI/lastGplPaletteDir", "" ).toString();
  QString filePath = QFileDialog::getOpenFileName( this, tr( "Select palette file" ), lastDir, "GPL (*.gpl);;All files (*.*)" );
  activateWindow();
  if ( filePath.isEmpty() )
  {
    return;
  }

  //check if file exists
  QFileInfo fileInfo( filePath );
  if ( !fileInfo.exists() || !fileInfo.isReadable() )
  {
    QMessageBox::critical( 0, tr( "Invalid file" ), tr( "Error, file does not exist or is not readable" ) );
    return;
  }

  s.setValue( "/UI/lastGplPaletteDir", fileInfo.absolutePath() );
  QFile file( filePath );

  QgsNamedColorList importedColors;
  bool ok = false;
  QString paletteName;
  importedColors = QgsSymbolLayerV2Utils::importColorsFromGpl( file, ok, paletteName );
  if ( !ok )
  {
    QMessageBox::critical( 0, tr( "Invalid file" ), tr( "Palette file is not readable" ) );
    return;
  }

  if ( importedColors.length() == 0 )
  {
    //no imported colors
    QMessageBox::critical( 0, tr( "Invalid file" ), tr( "No colors found in palette file" ) );
    return;
  }

  //TODO - handle conflicting file names, name for new palette
  QgsUserColorScheme* importedScheme = new QgsUserColorScheme( fileInfo.fileName() );
  importedScheme->setName( paletteName );
  importedScheme->setColors( importedColors );

  QgsColorSchemeRegistry::instance()->addColorScheme( importedScheme );

  //refresh combobox
  mSchemeComboBox->blockSignals( true );
  mSchemeComboBox->clear();
  QList<QgsColorScheme *> schemeList = QgsColorSchemeRegistry::instance()->schemes( QgsColorScheme::ShowInColorDialog );
  QList<QgsColorScheme *>::const_iterator schemeIt = schemeList.constBegin();
  for ( ; schemeIt != schemeList.constEnd(); ++schemeIt )
  {
    mSchemeComboBox->addItem(( *schemeIt )->schemeName() );
  }
  mSchemeComboBox->blockSignals( false );
  mSchemeComboBox->setCurrentIndex( mSchemeComboBox->count() - 1 );
}
Ejemplo n.º 2
0
void QgsCompoundColorWidget::importPalette()
{
  QgsSettings s;
  QString lastDir = s.value( QStringLiteral( "/UI/lastGplPaletteDir" ), QDir::homePath() ).toString();
  QString filePath = QFileDialog::getOpenFileName( this, tr( "Select palette file" ), lastDir, QStringLiteral( "GPL (*.gpl);;All files (*.*)" ) );
  activateWindow();
  if ( filePath.isEmpty() )
  {
    return;
  }

  //check if file exists
  QFileInfo fileInfo( filePath );
  if ( !fileInfo.exists() || !fileInfo.isReadable() )
  {
    QMessageBox::critical( nullptr, tr( "Invalid file" ), tr( "Error, file does not exist or is not readable" ) );
    return;
  }

  s.setValue( QStringLiteral( "/UI/lastGplPaletteDir" ), fileInfo.absolutePath() );
  QFile file( filePath );

  QgsNamedColorList importedColors;
  bool ok = false;
  QString paletteName;
  importedColors = QgsSymbolLayerUtils::importColorsFromGpl( file, ok, paletteName );
  if ( !ok )
  {
    QMessageBox::critical( nullptr, tr( "Invalid file" ), tr( "Palette file is not readable" ) );
    return;
  }

  if ( importedColors.length() == 0 )
  {
    //no imported colors
    QMessageBox::critical( nullptr, tr( "Invalid file" ), tr( "No colors found in palette file" ) );
    return;
  }

  //TODO - handle conflicting file names, name for new palette
  QgsUserColorScheme *importedScheme = new QgsUserColorScheme( fileInfo.fileName() );
  importedScheme->setName( paletteName );
  importedScheme->setColors( importedColors );

  QgsApplication::colorSchemeRegistry()->addColorScheme( importedScheme );

  //refresh combobox
  refreshSchemeComboBox();
  mSchemeComboBox->setCurrentIndex( mSchemeComboBox->count() - 1 );
}