void QgsCompoundColorWidget::on_mActionShowInButtons_toggled( bool state )
{
QgsUserColorScheme *scheme = dynamic_cast< QgsUserColorScheme * >( mSchemeList->scheme() );
if ( scheme )
{
scheme->setShowSchemeInMenu( state );
}
}
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 );
}
void QgsCompoundColorWidget::updateActionsForCurrentScheme()
{
QgsColorScheme *scheme = mSchemeList->scheme();
mActionImportColors->setEnabled( scheme->isEditable() );
mActionPasteColors->setEnabled( scheme->isEditable() );
mAddColorToSchemeButton->setEnabled( scheme->isEditable() );
mRemoveColorsFromSchemeButton->setEnabled( scheme->isEditable() );
QgsUserColorScheme *userScheme = dynamic_cast<QgsUserColorScheme *>( scheme );
mActionRemovePalette->setEnabled( userScheme ? true : false );
if ( userScheme )
{
mActionShowInButtons->setEnabled( true );
whileBlocking( mActionShowInButtons )->setChecked( userScheme->flags() & QgsColorScheme::ShowInColorButtonMenu );
}
else
{
whileBlocking( mActionShowInButtons )->setChecked( false );
mActionShowInButtons->setEnabled( false );
}
}
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 );
}
void QgsCompoundColorWidget::removePalette()
{
//get current scheme
QList<QgsColorScheme *> schemeList = QgsApplication::colorSchemeRegistry()->schemes( QgsColorScheme::ShowInColorDialog );
int prevIndex = mSchemeComboBox->currentIndex();
if ( prevIndex >= schemeList.length() )
{
return;
}
//make user scheme is a user removable scheme
QgsUserColorScheme *userScheme = dynamic_cast<QgsUserColorScheme *>( schemeList.at( prevIndex ) );
if ( !userScheme )
{
return;
}
if ( QMessageBox::question( this, tr( "Remove Color Palette" ),
QString( tr( "Are you sure you want to remove %1?" ) ).arg( userScheme->schemeName() ),
QMessageBox::Yes | QMessageBox::No, QMessageBox::No ) != QMessageBox::Yes )
{
//user canceled
return;
}
//remove palette and associated gpl file
if ( !userScheme->erase() )
{
//something went wrong
return;
}
//remove scheme from registry
QgsApplication::colorSchemeRegistry()->removeColorScheme( userScheme );
refreshSchemeComboBox();
prevIndex = std::max( std::min( prevIndex, mSchemeComboBox->count() - 1 ), 0 );
mSchemeComboBox->setCurrentIndex( prevIndex );
}