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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.datatransfer.Clipboard;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import javax.swing.KeyStroke;
import org.apache.cayenne.configuration.ConfigurationNode;
import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.map.DbAttribute;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.map.DbRelationship;
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.ObjRelationship;
import org.apache.cayenne.map.Procedure;
import org.apache.cayenne.map.ProcedureParameter;
import org.apache.cayenne.modeler.Application;
import org.apache.cayenne.modeler.ProjectController;
import org.apache.cayenne.modeler.util.CayenneAction;
import org.apache.cayenne.modeler.util.CayenneTransferable;
import org.apache.cayenne.query.Query;
import org.apache.cayenne.util.XMLEncoder;
import org.apache.cayenne.util.XMLSerializable;
/**
* Action for copying entities, queries etc. into system buffer
*/
public class CopyAction extends CayenneAction {
public static String getActionName() {
return "Copy";
}
/**
* Constructor for CopyAction
*/
public CopyAction(Application application) {
this(getActionName(), application);
}
/**
* Constructor for descendants
*/
protected CopyAction(String name, Application application) {
super(name, application);
}
@Override
public String getIconName() {
return "icon-copy.gif";
}
@Override
public KeyStroke getAcceleratorKey() {
return KeyStroke.getKeyStroke(KeyEvent.VK_C, Toolkit
.getDefaultToolkit()
.getMenuShortcutKeyMask());
}
/**
* Performs copying of items into system buffer
*/
@Override
public void performAction(ActionEvent e) {
ProjectController mediator = getProjectController();
Object content = copy(mediator);
if (content != null) {
Clipboard sysClip = Toolkit.getDefaultToolkit().getSystemClipboard();
sysClip.setContents(new CayenneTransferable(content), null);
}
// update paste button
getApplication().getActionManager().getAction(PasteAction.class).updateState();
}
/**
* Detects selected objects and returns them
*/
public Object copy(ProjectController mediator) {
return mediator.getCurrentObject();
}
/**
* Prints an object in XML format to an output stream
*/
protected void print(XMLEncoder encoder, XMLSerializable object) {
object.encodeAsXML(encoder);
}
/**
* Returns <code>true</code> if last object in the path contains a removable object.
*/
@Override
public boolean enableForPath(ConfigurationNode object) {
if (object == null) {
return false;
}
if (object instanceof DataMap
|| object instanceof Query
|| object instanceof DbEntity
|| object instanceof ObjEntity
|| object instanceof Embeddable
|| object instanceof EmbeddableAttribute
|| object instanceof DbAttribute
|| object instanceof DbRelationship
|| object instanceof ObjAttribute
|| object instanceof ObjRelationship
|| object instanceof Procedure
|| object instanceof ProcedureParameter) {
return true;
}
return false;
}
}