/*******************************************************************************
* Copyright (c) 2010 György Orosz.
* 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:
* György Orosz - initial API and implementation
******************************************************************************/
package org.erlide.wrangler.refactoring.core.internal;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.erlide.runtime.rpc.RpcResult;
import org.erlide.wrangler.refactoring.backend.IRefactoringRpcMessage;
import org.erlide.wrangler.refactoring.backend.internal.WranglerBackendManager;
import org.erlide.wrangler.refactoring.core.SimpleOneStepWranglerRefactoring;
import org.erlide.wrangler.refactoring.selection.IErlMemberSelection;
import org.erlide.wrangler.refactoring.selection.IErlSelection;
import org.erlide.wrangler.refactoring.util.GlobalParameters;
import com.ericsson.otp.erlang.OtpErlangString;
/**
* Rename variable refactoring integration
*
* @author Gyorgy Orosz
* @version %I%, %G%
*/
public class RenameVariableRefactoring extends SimpleOneStepWranglerRefactoring {
@Override
public RefactoringStatus checkInitialConditions(final IProgressMonitor pm)
throws CoreException, OperationCanceledException {
final IErlSelection sel = GlobalParameters.getWranglerSelection();
if (sel instanceof IErlMemberSelection) {
// SelectionKind kind = sel.getDetailedKind();
return new RefactoringStatus();
}
return RefactoringStatus.createFatalErrorStatus("Please select a variable!");
}
@Override
public String getName() {
return "Rename variable";
}
@Override
public IRefactoringRpcMessage run(final IErlSelection selection) {
final IErlMemberSelection sel = (IErlMemberSelection) selection;
return WranglerBackendManager.getRefactoringBackend().call("rename_var_eclipse",
"siisxi", sel.getFilePath(), sel.getSelectionRange().getStartLine(),
sel.getSelectionRange().getStartCol(), userInput, sel.getSearchPath(),
GlobalParameters.getTabWidth());
}
@Override
public String getDefaultValue() {
final IErlMemberSelection sel = (IErlMemberSelection) GlobalParameters
.getWranglerSelection();
if (sel == null) {
return "";
}
final RpcResult res = WranglerBackendManager.getRefactoringBackend()
.callWithoutParser("get_var_name_eclipse", "siixi", sel.getFilePath(),
sel.getSelectionRange().getStartLine(),
sel.getSelectionRange().getStartCol(), sel.getSearchPath(),
GlobalParameters.getTabWidth());
if (res.getValue().getClass().equals(OtpErlangString.class)) {
return ((OtpErlangString) res.getValue()).stringValue();
}
return "";
}
}