private void updatePreferredSize() {
int newWidth = myTextColumnWidth + myIconRenderersWidth + getFoldingAreaWidth();
int newHeight = myEditorComponent.getPreferredSize().height;
if (myWidth != newWidth || myHeight != newHeight) {
myWidth = newWidth;
myHeight = newHeight;
firePreferredSizeChanged();
}
}
@Override
public Dimension getPreferredSize() {
return new Dimension(myWidth + 1, myEditorComponent.getPreferredSize().height);
}