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/*******************************************************************************
* Copyright (c) 2013 Wind River Systems, Inc. and others. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.ui.handler;
import java.util.Map;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.Platform;
import org.eclipse.tcf.te.core.interfaces.IConnectable;
import org.eclipse.tcf.te.core.utils.ConnectStateHelper;
import org.eclipse.ui.handlers.HandlerUtil;
/**
* Connectable command handler implementation.
*/
public class ConnectableCommandHandler extends AbstractEditorCommandHandler {
protected static final String PARAM_ACTION = "action"; //$NON-NLS-1$
protected int action = IConnectable.STATE_UNKNOWN;
/* (non-Javadoc)
* @see org.eclipse.tcf.te.ui.handler.AbstractEditorCommandHandler#internalExecute(org.eclipse.core.commands.ExecutionEvent)
*/
@Override
public Object internalExecute(ExecutionEvent event) throws ExecutionException {
Assert.isTrue(action >= 0);
Object element = HandlerUtil.getActiveEditorInput(event);
IConnectable connectable = null;
if (element instanceof IConnectable) {
connectable = (IConnectable)element;
}
else if (element instanceof IAdaptable) {
connectable = (IConnectable)((IAdaptable)element).getAdapter(IConnectable.class);
}
if (connectable == null) {
connectable = (IConnectable)Platform.getAdapterManager().getAdapter(element, IConnectable.class);
}
if (connectable != null) {
if (connectable.isConnectStateChangeAllowed(action)) {
connectable.changeConnectState(action, null, null);
}
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.IExecutableExtension#setInitializationData(org.eclipse.core.runtime.IConfigurationElement, java.lang.String, java.lang.Object)
*/
@Override
public void setInitializationData(IConfigurationElement config, String propertyName, Object data) throws CoreException {
super.setInitializationData(config, propertyName, data);
if (data instanceof Map) {
Map<?,?> dataMap = (Map<?,?>)data;
if (dataMap.get(PARAM_ACTION) instanceof String) {
String stateStr = dataMap.get(PARAM_ACTION).toString().trim();
this.action = ConnectStateHelper.getConnectAction(stateStr);
}
}
}
}
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