Exemplo 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 );
}
Exemplo 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 );
}
Exemplo n.º 3
0
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 );
}