void QgsColorRampComboBox::populate( QgsStyleV2* style )
{
if ( count() != 0 )
return; // already populated!
mStyle = style;
setIconSize( rampIconSize );
QStringList rampNames = mStyle->colorRampNames();
for ( QStringList::iterator it = rampNames.begin(); it != rampNames.end(); ++it )
{
QgsVectorColorRampV2* ramp = style->colorRamp( *it );
if ( !mShowGradientOnly || ramp->type() == "gradient" )
{
QIcon icon = QgsSymbolLayerV2Utils::colorRampPreviewIcon( ramp, rampIconSize );
addItem( icon, *it );
}
delete ramp;
}
if ( !mShowGradientOnly )
addItem( tr( "Random colors" ) );
addItem( tr( "New color ramp..." ) );
connect( this, SIGNAL( activated( int ) ), SLOT( colorRampChanged( int ) ) );
}
bool QgsStyleV2ManagerDialog::editColorRamp()
{
QString name = currentItemName();
if ( name.isEmpty() )
return false;
QgsVectorColorRampV2* ramp = mStyle->colorRamp( name );
if ( ramp->type() == "gradient" )
{
QgsVectorGradientColorRampV2* gradRamp = static_cast<QgsVectorGradientColorRampV2*>( ramp );
QgsVectorGradientColorRampV2Dialog dlg( gradRamp, this );
if ( !dlg.exec() )
{
delete ramp;
return false;
}
}
else if ( ramp->type() == "random" )
{
QgsVectorRandomColorRampV2* randRamp = static_cast<QgsVectorRandomColorRampV2*>( ramp );
QgsVectorRandomColorRampV2Dialog dlg( randRamp, this );
if ( !dlg.exec() )
{
delete ramp;
return false;
}
}
else if ( ramp->type() == "colorbrewer" )
{
QgsVectorColorBrewerColorRampV2* brewerRamp = static_cast<QgsVectorColorBrewerColorRampV2*>( ramp );
QgsVectorColorBrewerColorRampV2Dialog dlg( brewerRamp, this );
if ( !dlg.exec() )
{
delete ramp;
return false;
}
}
else if ( ramp->type() == "cpt-city" )
{
QgsCptCityColorRampV2* cptCityRamp = static_cast<QgsCptCityColorRampV2*>( ramp );
QgsCptCityColorRampV2Dialog dlg( cptCityRamp, this );
if ( !dlg.exec() )
{
delete ramp;
return false;
}
if ( dlg.saveAsGradientRamp() )
{
ramp = cptCityRamp->cloneGradientRamp();
delete cptCityRamp;
}
}
else
{
Q_ASSERT( 0 && "invalid ramp type" );
}
mStyle->addColorRamp( name, ramp, true );
mModified = true;
return true;
}
