void QgsCptCityColorRampDialog::mListWidget_itemClicked( QListWidgetItem *item )
{
QgsCptCityColorRampItem *rampItem = mListRamps.at( item->data( Qt::UserRole ).toInt() );
if ( rampItem )
{
buttonBox->button( QDialogButtonBox::Ok )->setEnabled( true );
lblSchemeName->setText( QFileInfo( rampItem->name() ).fileName() );
mRamp.copy( &rampItem->ramp() );
QgsDebugMsg( QStringLiteral( "variant= %1 - %2 variants" ).arg( mRamp.variantName() ).arg( mRamp.variantList().count() ) );
populateVariants();
}
else
{
QgsDebugMsg( QStringLiteral( "invalid item" ) );
}
}
void QgsCptCityColorRampV2Dialog::populateVariants( QString newVariant )
{
QStringList variantList;
QgsCptCityColorRampItem *item =
dynamic_cast< QgsCptCityColorRampItem* >( mModel->dataItem( mBrowserView->currentIndex() ) );
if ( item )
variantList = item->ramp().variantList();
cboVariantName->blockSignals( true );
cboVariantName->clear();
if ( variantList.isEmpty() )
{
cboVariantName->setEnabled( false );
cboVariantName->setVisible( false );
on_cboVariantName_currentIndexChanged( -1 );
}
else
{
QString oldVariant = cboVariantName->currentText();
QgsCptCityColorRampV2 ramp( mRamp->schemeName(), mRamp->variantList(), QString() );
QPixmap blankPixmap( cboVariantName->iconSize() );
blankPixmap.fill( Qt::white );
QIcon blankIcon( blankPixmap );
int index;
foreach ( QString variant, variantList )
{
QString variantStr = variant;
if ( variantStr.startsWith( "-" ) || variantStr.startsWith( "_" ) )
variantStr.remove( 0, 1 );
cboVariantName->addItem( " " + variantStr );
index = cboVariantName->count() - 1;
cboVariantName->setItemData( index, variant, Qt::UserRole );
ramp.setVariantName( variant );
if ( ramp.loadFile() )
cboVariantName->setItemIcon( index,
QgsSymbolLayerV2Utils::colorRampPreviewIcon( &ramp, cboVariantName->iconSize() ) );
else
cboVariantName->setItemIcon( index, blankIcon );
cboVariantName->setItemData( index, Qt::AlignHCenter, Qt::TextAlignmentRole );
}
cboVariantName->blockSignals( false );
cboVariantName->setEnabled( true );
cboVariantName->setVisible( true );
// try to set the original variant again (if exists)
int idx;
if ( newVariant != QString() )
{
if ( newVariant.startsWith( "-" ) || newVariant.startsWith( "_" ) )
newVariant.remove( 0, 1 );
newVariant = " " + newVariant;
idx = cboVariantName->findText( newVariant );
}
else
idx = cboVariantName->findText( oldVariant );
// if not found use the item in the middle
if ( idx == -1 )
{
idx = cboVariantName->count() / 2;
}
cboVariantName->setCurrentIndex( idx );
// updatePreview();
}