package org.alfresco.web.bean.content;

import java.text.MessageFormat;

import javax.faces.context.FacesContext;

import org.alfresco.model.ContentModel;
import org.alfresco.service.cmr.repository.ChildAssociationRef;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.namespace.NamespaceService;
import org.alfresco.service.namespace.QName;
import org.alfresco.web.app.Application;
import org.alfresco.web.bean.repository.Node;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * Bean implementation for the "Delete Content Association" dialog
 *
 * @author valerysh
 * @author gavinc
 */
public class DeleteContentAssociationDialog extends DeleteContentDialog
{

   private static final Log logger = LogFactory.getLog(DeleteContentAssociationDialog.class);

   // ------------------------------------------------------------------------------
   // Dialog implementation

   @Override
   protected String finishImpl(FacesContext context, String outcome)
         throws Exception
   {
      // get the content to delete
      Node node = this.browseBean.getDocument();
      
      if (node != null)
      {
         if (logger.isDebugEnabled())
            logger.debug("Trying to delete content node association: " + node.getId());
         
         NodeRef parentRef = this.navigator.getCurrentNode().getNodeRef();
         QName qname = QName.createQName(NamespaceService.CONTENT_MODEL_1_0_URI,
                  QName.createValidLocalName(node.getName()));
         ChildAssociationRef childAssocRef = new ChildAssociationRef(ContentModel.ASSOC_CONTAINS, 
                  parentRef, qname, node.getNodeRef());
 
         // remove the child association
         this.getNodeService().removeChildAssociation(childAssocRef);
      }
      else
      {
         logger.warn("WARNING: delete called without a current Document!");
      }

      return outcome;
   }

   // ------------------------------------------------------------------------------
   // Bean Getters and Setters

   /**
    * Returns the confirmation to display to the user before deleting the content.
    *
    * @return The formatted message to display
    */
   public String getConfirmMessage()
   {
	   String fileConfirmMsg = null;

      Node document = this.browseBean.getDocument();

      fileConfirmMsg = Application.getMessage(FacesContext.getCurrentInstance(),
          "delete_file_assoc_confirm");

      return MessageFormat.format(fileConfirmMsg,
            new Object[] {document.getName()});
   }
}