LabelProviderImpl.java 文件源码

@Override
public void update ( final ViewerCell cell )
{
    final Object ele = cell.getElement ();
    if ( ele instanceof KeyProviderFactory )
    {
        cell.setText ( ele.toString () );
    }
    else if ( ele instanceof KeyProvider )
    {
        final KeyProvider keyProvider = (KeyProvider)ele;
        cell.setText ( keyProvider.toString () );
        cell.setImage ( keyProvider.isLocked () ? this.locked : null );
    }
    else if ( ele instanceof org.eclipse.scada.sec.ui.providers.Key )
    {
        final org.eclipse.scada.sec.ui.providers.Key key = (org.eclipse.scada.sec.ui.providers.Key)ele;
        cell.setText ( key.toString () );
        cell.setImage ( key.isLocked () ? this.locked : null );
    }
}