How to use

WidthCalculator

in

org.kie.guvnor.commons.ui.client.widget

/**
 * Get the widest Cell from a list of content
 * 
 * @param values
 * @return
 */
public int getMaximumElementWidth(List< ? extends V> values) {
  int maximumWidth = 0;
  for ( V value : values ) {
    int w = getElementWidth( value );
    if ( w > maximumWidth ) {
      maximumWidth = w;
    }
  }
  if ( minWidth == null ) {
    return maximumWidth;
  }
  return minWidth > maximumWidth ? minWidth : maximumWidth;
}

public ConversionMessageWidget( ConversionMessage message ) {
  initWidget( uiBinder.createAndBindUi( this ) );
  switch ( message.getMessageType() ) {
    case ERROR:
      this.image.setResource( Resources.INSTANCE.images().error() );
      break;
    case INFO:
      this.image.setResource( Resources.INSTANCE.images().information() );
      break;
    case WARNING:
      this.image.setResource( Resources.INSTANCE.images().warning() );
      break;
  }
  this.label.setText( message.getMessage() );
  //Make containing Panel the width of the content to ensure scrollbars operate correctly
  int width = widthCalculator.getElementWidth( message.getMessage() ) + 32;
  setWidth( width + "px" );
}