package org.kuali.student.common.ui.client.configurable.mvc;
   
   import org.kuali.student.common.assembly.data.Metadata;
   import org.kuali.student.common.ui.client.widgets.KSLabel;
   import org.kuali.student.common.ui.client.widgets.field.layout.element.MessageKeyInfo;
   
   import com.google.gwt.user.client.ui.Widget;
   
   /**
   * Read only (ui) equivalent of FieldDescriptor.
   * @see FieldDescriptor
   * @author Kuali Student Team
   * 
   */
  public class FieldDescriptorReadOnly extends FieldDescriptor{
  
  	public FieldDescriptorReadOnly(String fieldKey, MessageKeyInfo messageKey,
  			Metadata metadata) {
  		super(fieldKey, messageKey, metadata);
  	}
  	
  	public FieldDescriptorReadOnly(String fieldKey, MessageKeyInfo messageKey,
  			Metadata metadata, Widget widget) {
  		super(fieldKey, messageKey, metadata, widget);
  	}
  
  	
  	@Override
  	protected Widget createFieldWidget() {
      	if (metadata == null) {
  	    	Widget result = new KSLabel();
  	    	addStyleToWidget(result);
  	    	return result;
      	} else {
      		Widget result = DefaultWidgetFactory.getInstance().getReadOnlyWidget(metadata);
      		addStyleToWidget(result);
      		return result;
      	}
  	}
  	
  	@Override
  	protected void addStyleToWidget(Widget w) {
      	if(fieldKey != null && !fieldKey.isEmpty()){
      		String style = this.fieldKey.replaceAll("/", "-");
      		style = style + "readOnly";
      		w.addStyleName(style);
      	}
  	}
  
  	@Override
      protected void setupField() {
  	    // do nothing for read-only fields
      }
  }