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Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. /
 
 
 
 package org.apache.cayenne.modeler.action;
 
 
 import  org.apache.cayenne.map.Attribute;
 import  org.apache.cayenne.map.DbAttribute;
 import  org.apache.cayenne.map.DbEntity;
 import  org.apache.cayenne.map.ObjAttribute;
 import  org.apache.cayenne.map.ObjEntity;
 import  org.apache.cayenne.map.event.AttributeEvent;
 import  org.apache.cayenne.map.event.MapEvent;
 import  org.apache.cayenne.project.ProjectPath;

Removes currently selected attribute from either the DbEntity or ObjEntity.

Author(s):
Garry Watkins
 
 public class RemoveAttributeAction extends RemoveAction {
 
     private final static String ACTION_NAME = "Remove Attribute";
 
     public static String getActionName() {
         return ;
     }
 
     public RemoveAttributeAction(Application application) {
         super(application);
     }

    
Returns true if last object in the path contains a removable attribute.
 
     public boolean enableForPath(ProjectPath path) {
         if (path == null) {
             return false;
         }
 
         return path.getObject() instanceof Attribute;
     }
 
     public void performAction(ActionEvent e) {
         if (getProjectController().getCurrentObjAttribute() != null) {
             removeObjAttribute();
         }
         else if (getProjectController().getCurrentDbAttribute() != null) {
             removeDbAttribute();
         }
     }
 
     protected void removeDbAttribute() {
         ProjectController mediator = getProjectController();
         DbEntity entity = mediator.getCurrentDbEntity();
         DbAttribute attrib = mediator.getCurrentDbAttribute();
         entity.removeAttribute(attrib.getName());
         ProjectUtil.cleanObjMappings(mediator.getCurrentDataMap());
 
         AttributeEvent e = new AttributeEvent(
                 Application.getFrame(),
                 attrib,
                 entity,
                 MapEvent.REMOVE);
         mediator.fireDbAttributeEvent(e);
     }
 
     protected void removeObjAttribute() {
         ProjectController mediator = getProjectController();
         ObjEntity entity = mediator.getCurrentObjEntity();
         ObjAttribute attrib = mediator.getCurrentObjAttribute();
 
         entity.removeAttribute(attrib.getName());
         AttributeEvent e = new AttributeEvent(
                 Application.getFrame(),
                 attrib,
                 entity,
                MapEvent.REMOVE);
        mediator.fireObjAttributeEvent(e);
    }
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