+void Button::ModifyLabel( const Property::Map& properties )
+{
+ // If we don't have a label yet, create one.
+ if( !mLabel )
+ {
+ // If we don't have a label, create one and set it up.
+ // Note: The label text is set from the passed in property map after creation.
+ mLabel = Toolkit::TextLabel::New();
+ mLabel.SetPosition( 0.0f, 0.0f );
+ // label should be the top of the button
+ Self().Add( mLabel );
+ }
+
+ // Set any properties specified for the label by iterating through all property key-value pairs.
+ for( unsigned int i = 0, mapCount = properties.Count(); i < mapCount; ++i )
+ {
+ const StringValuePair& propertyPair( properties.GetPair( i ) );
+
+ // Convert the property string to a property index.
+ Property::Index setPropertyIndex = mLabel.GetPropertyIndex( propertyPair.first );
+ if( setPropertyIndex != Property::INVALID_INDEX )
+ {
+ // If the conversion worked, we have a valid property index,
+ // Set the property to the new value.
+ mLabel.SetProperty( setPropertyIndex, propertyPair.second );
+ }
+ }
+
+ // Notify derived button classes of the change.
+ OnLabelSet( false );
+
+ RelayoutRequest();
+}
+