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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 java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.util.ArrayList;
import java.util.Iterator;
import javax.swing.KeyStroke;
import org.apache.cayenne.access.DataDomain;
import org.apache.cayenne.access.DataNode;
import org.apache.cayenne.map.Attribute;
import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.map.Entity;
import org.apache.cayenne.map.ObjEntity;
import org.apache.cayenne.map.Procedure;
import org.apache.cayenne.map.ProcedureParameter;
import org.apache.cayenne.map.Relationship;
import org.apache.cayenne.map.event.DataMapEvent;
import org.apache.cayenne.map.event.DataNodeEvent;
import org.apache.cayenne.map.event.DomainEvent;
import org.apache.cayenne.map.event.EntityEvent;
import org.apache.cayenne.map.event.MapEvent;
import org.apache.cayenne.map.event.ProcedureEvent;
import org.apache.cayenne.map.event.QueryEvent;
import org.apache.cayenne.modeler.Application;
import org.apache.cayenne.modeler.ProjectController;
import org.apache.cayenne.modeler.util.CayenneAction;
import org.apache.cayenne.project.ApplicationProject;
import org.apache.cayenne.project.ProjectPath;
import org.apache.cayenne.query.AbstractQuery;
import org.apache.cayenne.query.Query;
/**
* Removes currently selected object from the project. This can be Domain, DataNode,
* Entity, Attribute or Relationship.
*/
public class RemoveAction extends CayenneAction {
public static String getActionName() {
return "Remove";
}
public RemoveAction(Application application) {
super(getActionName(), application);
}
protected RemoveAction(String actionName, Application application) {
super(actionName, application);
}
public String getIconName() {
return "icon-trash.gif";
}
public KeyStroke getAcceleratorKey() {
return KeyStroke.getKeyStroke(KeyEvent.VK_D, Toolkit.getDefaultToolkit().getMenuShortcutKeyMask());
}
public void performAction(ActionEvent e) {
ProjectController mediator = getProjectController();
if (mediator.getCurrentObjEntity() != null) {
removeObjEntity();
}
else if (mediator.getCurrentDbEntity() != null) {
removeDbEntity();
}
else if (mediator.getCurrentQuery() != null) {
removeQuery();
}
else if (mediator.getCurrentProcedure() != null) {
removeProcedure();
}
else if (mediator.getCurrentDataMap() != null) {
// In context of Data node just remove from Data Node
if (mediator.getCurrentDataNode() != null) {
removeDataMapFromDataNode();
}
else {
// Not under Data Node, remove completely
removeDataMap();
}
}
else if (mediator.getCurrentDataNode() != null) {
removeDataNode();
}
else if (mediator.getCurrentDataDomain() != null) {
removeDomain();
}
}
protected void removeDomain() {
ApplicationProject project = (ApplicationProject) getCurrentProject();
ProjectController mediator = getProjectController();
DataDomain domain = mediator.getCurrentDataDomain();
project.getConfiguration().removeDomain(domain.getName());
mediator.fireDomainEvent(new DomainEvent(
Application.getFrame(),
domain,
MapEvent.REMOVE));
}
protected void removeDataMap() {
ProjectController mediator = getProjectController();
DataMap map = mediator.getCurrentDataMap();
DataDomain domain = mediator.getCurrentDataDomain();
domain.removeMap(map.getName());
mediator.fireDataMapEvent(new DataMapEvent(
Application.getFrame(),
map,
MapEvent.REMOVE));
}
protected void removeDataNode() {
ProjectController mediator = getProjectController();
DataNode node = mediator.getCurrentDataNode();
DataDomain domain = mediator.getCurrentDataDomain();
domain.removeDataNode(node.getName());
mediator.fireDataNodeEvent(new DataNodeEvent(
Application.getFrame(),
node,
MapEvent.REMOVE));
}
/**
* Removes current DbEntity from its DataMap and fires "remove" EntityEvent.
*/
protected void removeDbEntity() {
ProjectController mediator = getProjectController();
DbEntity ent = mediator.getCurrentDbEntity();
DataMap map = mediator.getCurrentDataMap();
map.removeDbEntity(ent.getName(), true);
mediator.fireDbEntityEvent(new EntityEvent(
Application.getFrame(),
ent,
MapEvent.REMOVE));
}
/**
* Removes current Query from its DataMap and fires "remove" QueryEvent.
*/
protected void removeQuery() {
ProjectController mediator = getProjectController();
Query query = mediator.getCurrentQuery();
DataMap map = mediator.getCurrentDataMap();
map.removeQuery(query.getName());
mediator.fireQueryEvent(new QueryEvent(
Application.getFrame(),
query,
MapEvent.REMOVE));
}
/**
* Removes current Procedure from its DataMap and fires "remove" ProcedureEvent.
*/
protected void removeProcedure() {
ProjectController mediator = getProjectController();
Procedure procedure = mediator.getCurrentProcedure();
DataMap map = mediator.getCurrentDataMap();
map.removeProcedure(procedure.getName());
mediator.fireProcedureEvent(new ProcedureEvent(
Application.getFrame(),
procedure,
MapEvent.REMOVE));
}
/**
* Removes current object entity from its DataMap.
*/
protected void removeObjEntity() {
ProjectController mediator = getProjectController();
ObjEntity entity = mediator.getCurrentObjEntity();
DataMap map = mediator.getCurrentDataMap();
map.removeObjEntity(entity.getName(), true);
mediator.fireObjEntityEvent(new EntityEvent(
Application.getFrame(),
entity,
MapEvent.REMOVE));
// remove queries that depend on entity
// TODO: (Andrus, 09/09/2005) show warning dialog?
// clone to be able to remove within iterator...
Iterator it = new ArrayList(map.getQueries()).iterator();
while (it.hasNext()) {
AbstractQuery next = (AbstractQuery) it.next();
Object root = next.getRoot();
if (root == entity
|| (root instanceof String && root
.toString()
.equals(entity.getName()))) {
map.removeQuery(next.getName());
mediator.fireQueryEvent(new QueryEvent(
Application.getFrame(),
next,
MapEvent.REMOVE));
}
}
}
protected void removeDataMapFromDataNode() {
ProjectController mediator = getProjectController();
DataNode node = mediator.getCurrentDataNode();
DataMap map = mediator.getCurrentDataMap();
node.removeDataMap(map.getName());
// Force reloading of the data node in the browse view
mediator.fireDataNodeEvent(new DataNodeEvent(Application.getFrame(), node));
}
/**
* Returns <code>true</code> if last object in the path contains a removable object.
*/
public boolean enableForPath(ProjectPath path) {
if (path == null) {
return false;
}
Object lastObject = path.getObject();
if (lastObject instanceof DataDomain) {
return true;
}
else if (lastObject instanceof DataMap) {
return true;
}
else if (lastObject instanceof DataNode) {
return true;
}
else if (lastObject instanceof Entity) {
return true;
}
else if (lastObject instanceof Attribute) {
return true;
}
else if (lastObject instanceof Relationship) {
return true;
}
else if (lastObject instanceof Procedure) {
return true;
}
else if (lastObject instanceof ProcedureParameter) {
return true;
}
else {
return false;
}
}
}