/*
* Copyright (c) 2008 Stiftung Deutsches Elektronen-Synchrotron,
* Member of the Helmholtz Association, (DESY), HAMBURG, GERMANY.
*
* THIS SOFTWARE IS PROVIDED UNDER THIS LICENSE ON AN "../AS IS" BASIS.
* WITHOUT WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
* FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. SHOULD THE SOFTWARE PROVE DEFECTIVE
* IN ANY RESPECT, THE USER ASSUMES THE COST OF ANY NECESSARY SERVICING, REPAIR OR
* CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE.
* NO USE OF ANY SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER THIS DISCLAIMER.
* DESY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
* OR MODIFICATIONS.
* THE FULL LICENSE SPECIFYING FOR THE SOFTWARE THE REDISTRIBUTION, MODIFICATION,
* USAGE AND OTHER RIGHTS AND OBLIGATIONS IS INCLUDED WITH THE DISTRIBUTION OF THIS
* PROJECT IN THE FILE LICENSE.HTML. IF THE LICENSE IS NOT INCLUDED YOU MAY FIND A COPY
* AT HTTP://WWW.DESY.DE/LEGAL/LICENSE.HTM
*/
package org.csstudio.dal.ui.internal.workbench;
import org.csstudio.platform.model.pvs.IProcessVariableAdressProvider;
import org.eclipse.core.runtime.IAdapterFactory;
import org.eclipse.ui.IActionFilter;
public class ProcessVariableAdressProviderAdapterFactory implements
IAdapterFactory {
@Override
public Object getAdapter(Object adaptableObject, Class adapterType) {
assert adaptableObject != null;
assert adapterType != null;
assert adaptableObject instanceof IProcessVariableAdressProvider : "adaptableObject instanceof IProcessVariableAdressProvider";
if (adapterType == IActionFilter.class) {
IActionFilter adapter = new IActionFilter() {
@Override
public boolean testAttribute(Object target, String name,
String value) {
IProcessVariableAdressProvider provider = (IProcessVariableAdressProvider) target;
if(name.equals("empty")) {
boolean isEmpty = provider.getProcessVariableAdresses().isEmpty();
if(value.equals("false")) {
return !isEmpty;
} else {
return isEmpty;
}
}
return false;
}
};
return adapter;
}
return null;
}
@Override
public Class[] getAdapterList() {
return new Class[] { IActionFilter.class };
}
}