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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.DataMap;
 import  org.apache.cayenne.map.DbAttribute;
 import  org.apache.cayenne.map.DbEntity;
 import  org.apache.cayenne.map.Embeddable;
 import  org.apache.cayenne.map.EmbeddableAttribute;
 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.EmbeddableAttributeEvent;
 import  org.apache.cayenne.map.event.MapEvent;
 import  org.apache.cayenne.project.ProjectPath;

Removes currently selected attribute from either the DbEntity or ObjEntity.
 
 public class RemoveAttributeAction extends RemoveAction implements MultipleObjectsAction {
 
     
 
     private final static String ACTION_NAME = "Remove Attribute";

    
Name of action if multiple rels are selected
 
     private final static String ACTION_NAME_MULTIPLE = "Remove Attributes";
 
     public static String getActionName() {
         return ;
     }
 
     public String getActionName(boolean multiple) {
         return multiple ?  : ;
     }
 
     public RemoveAttributeAction(Application application) {
         super(application);
     }

    
Returns true if last object in the path contains a removable attribute.
 
     @Override
     public boolean enableForPath(ProjectPath path) {
         if (path == null) {
             return false;
         }
 
         return path.getObject() instanceof Attribute;
     }
 
     @Override
     public void performAction(ActionEvent eboolean allowAsking) {
         ConfirmRemoveDialog dialog = getConfirmDeleteDialog(allowAsking);
         ProjectController mediator = getProjectController();
 
         EmbeddableAttribute[] embAttrs = getProjectController().getCurrentEmbAttrs();
 
         ObjAttribute[] attrs = getProjectController().getCurrentObjAttributes();
 
         if (embAttrs != null && embAttrs.length > 0) {
             if ((embAttrs.length == 1 && dialog.shouldDelete(
                     "Embeddable Attribute",
                     embAttrs[0].getName()))
                     || (embAttrs.length > 1 && dialog
                             .shouldDelete("selected EmbAttributes"))) {
 
                 Embeddable embeddable = mediator.getCurrentEmbeddable();
 
                EmbeddableAttribute[] eAttrs = getProjectController()
                        .getCurrentEmbAttrs();
                .getUndoManager().addEdit(
                        new RemoveAttributeUndoableEdit(embeddableeAttrs));
                removeEmbeddableAttributes(embeddableeAttrs);
            }
        }
        else if (attrs != null && attrs.length > 0) {
            if ((attrs.length == 1 && dialog.shouldDelete("ObjAttribute"attrs[0]
                    .getName()))
                    || (attrs.length > 1 && dialog.shouldDelete("selected ObjAttributes"))) {
                ObjEntity entity = mediator.getCurrentObjEntity();
                ObjAttribute[] attribs = mediator.getCurrentObjAttributes();
                .getUndoManager().addEdit(
                        new RemoveAttributeUndoableEdit(
                                mediator.getCurrentDataDomain(),
                                mediator.getCurrentDataMap(),
                                entity,
                                attribs));
                removeObjAttributes(entityattribs);
            }
        }
        else {
            DbAttribute[] dbAttrs = getProjectController().getCurrentDbAttributes();
            if (dbAttrs != null && dbAttrs.length > 0) {
                if ((dbAttrs.length == 1 && dialog.shouldDelete("DbAttribute"dbAttrs[0]
                        .getName()))
                        || (dbAttrs.length > 1 && dialog
                                .shouldDelete("selected DbAttributes"))) {
                    DbEntity entity = mediator.getCurrentDbEntity();
                    DbAttribute[] attribs = mediator.getCurrentDbAttributes();
                    ProjectPath[] paths = getProjectController().getCurrentPaths();
                    .getUndoManager().addEdit(
                            new RemoveAttributeUndoableEdit(
                                    mediator.getCurrentDataDomain(),
                                    mediator.getCurrentDataMap(),
                                    entity,
                                    attribs));
                    removeDbAttributes(mediator.getCurrentDataMap(), entityattribs);
                }
            }
        }
    }
    public void removeDbAttributes(DataMap dataMap, DbEntity entity, DbAttribute[] attribs) {
        ProjectController mediator = getProjectController();
        for (DbAttribute attrib : attribs) {
            entity.removeAttribute(attrib.getName());
            AttributeEvent e = new AttributeEvent(
                    Application.getFrame(),
                    attrib,
                    entity,
                    MapEvent.REMOVE);
            mediator.fireDbAttributeEvent(e);
        }
        ProjectUtil.cleanObjMappings(dataMap);
    }
    public void removeObjAttributes(ObjEntity entity, ObjAttribute[] attribs) {
        ProjectController mediator = getProjectController();
        for (ObjAttribute attrib : attribs) {
            entity.removeAttribute(attrib.getName());
            AttributeEvent e = new AttributeEvent(
                    Application.getFrame(),
                    attrib,
                    entity,
                    MapEvent.REMOVE);
            mediator.fireObjAttributeEvent(e);
        }
    }
    public void removeEmbeddableAttributes(
            Embeddable embeddable,
            EmbeddableAttribute[] attrs) {
        ProjectController mediator = getProjectController();
        for (EmbeddableAttribute attrib : attrs) {
            embeddable.removeAttribute(attrib.getName());
            EmbeddableAttributeEvent e = new EmbeddableAttributeEvent(Application
                    .getFrame(), attribembeddable, MapEvent.REMOVE);
            mediator.fireEmbeddableAttributeEvent(e);
        }
    }
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