QgsNamedColorList QgsProjectColorScheme::fetchColors( const QString &context, const QColor &baseColor )
{
Q_UNUSED( context );
Q_UNUSED( baseColor );
QgsNamedColorList colorList;
QStringList colorStrings = QgsProject::instance()->readListEntry( QStringLiteral( "Palette" ), QStringLiteral( "/Colors" ) );
QStringList colorLabels = QgsProject::instance()->readListEntry( QStringLiteral( "Palette" ), QStringLiteral( "/Labels" ) );
//generate list from custom colors
int colorIndex = 0;
for ( QStringList::iterator it = colorStrings.begin();
it != colorStrings.end(); ++it )
{
QColor color = QgsSymbolLayerUtils::decodeColor( *it );
QString label;
if ( colorLabels.length() > colorIndex )
{
label = colorLabels.at( colorIndex );
}
colorList.append( qMakePair( color, label ) );
colorIndex++;
}
return colorList;
}
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 );
}
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 );
}
QgsNamedColorList QgsRecentColorScheme::fetchColors( const QString &context, const QColor &baseColor )
{
Q_UNUSED( context );
Q_UNUSED( baseColor );
//fetch recent colors
QSettings settings;
QList< QVariant > recentColorVariants = settings.value( QString( "/colors/recent" ) ).toList();
//generate list from recent colors
QgsNamedColorList colorList;
Q_FOREACH ( const QVariant& color, recentColorVariants )
{
colorList.append( qMakePair( color.value<QColor>(), QgsSymbolLayerV2Utils::colorToName( color.value<QColor>() ) ) );
}
QgsNamedColorList QgsRecentColorScheme::fetchColors( const QString context,
const QColor baseColor )
{
Q_UNUSED( context );
Q_UNUSED( baseColor );
//fetch recent colors
QSettings settings;
QList< QVariant > recentColorVariants = settings.value( QString( "/colors/recent" ) ).toList();
//generate list from recent colors
QgsNamedColorList colorList;
foreach ( QVariant color, recentColorVariants )
{
colorList.append( qMakePair( color.value<QColor>(), QString() ) );
}
QgsNamedColorList QgsRecentColorScheme::fetchColors( const QString &context, const QColor &baseColor )
{
Q_UNUSED( context );
Q_UNUSED( baseColor );
//fetch recent colors
QgsSettings settings;
QList< QVariant > recentColorVariants = settings.value( QStringLiteral( "colors/recent" ) ).toList();
//generate list from recent colors
QgsNamedColorList colorList;
const auto constRecentColorVariants = recentColorVariants;
for ( const QVariant &color : constRecentColorVariants )
{
colorList.append( qMakePair( color.value<QColor>(), QgsSymbolLayerUtils::colorToName( color.value<QColor>() ) ) );
}
return colorList;
}
bool QgsCustomColorScheme::setColors( const QgsNamedColorList &colors, const QString &context, const QColor &baseColor )
{
Q_UNUSED( context );
Q_UNUSED( baseColor );
// save colors to settings
QgsSettings settings;
QList< QVariant > customColors;
QList< QVariant > customColorLabels;
QgsNamedColorList::const_iterator colorIt = colors.constBegin();
for ( ; colorIt != colors.constEnd(); ++colorIt )
{
QVariant color = ( *colorIt ).first;
QVariant label = ( *colorIt ).second;
customColors.append( color );
customColorLabels.append( label );
}
settings.setValue( QStringLiteral( "colors/palettecolors" ), customColors );
settings.setValue( QStringLiteral( "colors/palettelabels" ), customColorLabels );
return true;
}
QgsNamedColorList QgsCustomColorScheme::fetchColors( const QString &context, const QColor &baseColor )
{
Q_UNUSED( context );
Q_UNUSED( baseColor );
//fetch predefined custom colors
QgsNamedColorList colorList;
QgsSettings settings;
//check if settings contains custom palette
if ( !settings.contains( QStringLiteral( "/colors/palettecolors" ) ) )
{
//no custom palette, return default colors
colorList.append( qMakePair( QColor( 0, 0, 0 ), QString() ) );
colorList.append( qMakePair( QColor( 255, 255, 255 ), QString() ) );
colorList.append( qMakePair( QColor( 166, 206, 227 ), QString() ) );
colorList.append( qMakePair( QColor( 31, 120, 180 ), QString() ) );
colorList.append( qMakePair( QColor( 178, 223, 138 ), QString() ) );
colorList.append( qMakePair( QColor( 51, 160, 44 ), QString() ) );
colorList.append( qMakePair( QColor( 251, 154, 153 ), QString() ) );
colorList.append( qMakePair( QColor( 227, 26, 28 ), QString() ) );
colorList.append( qMakePair( QColor( 253, 191, 111 ), QString() ) );
colorList.append( qMakePair( QColor( 255, 127, 0 ), QString() ) );
return colorList;
}
QList< QVariant > customColorVariants = settings.value( QStringLiteral( "colors/palettecolors" ) ).toList();
QList< QVariant > customColorLabels = settings.value( QStringLiteral( "colors/palettelabels" ) ).toList();
//generate list from custom colors
int colorIndex = 0;
for ( QList< QVariant >::iterator it = customColorVariants.begin();
it != customColorVariants.end(); ++it )
{
QColor color = ( *it ).value<QColor>();
QString label;
if ( customColorLabels.length() > colorIndex )
{
label = customColorLabels.at( colorIndex ).toString();
}
colorList.append( qMakePair( color, label ) );
colorIndex++;
}
return colorList;
}
