/*******************************************************************************
* 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.eclipse.swt.widgets.Shell;
import org.erlide.runtime.rpc.RpcResult;
import org.erlide.wrangler.refactoring.backend.IRefactoringRpcMessage;
import org.erlide.wrangler.refactoring.backend.RefactoringState;
import org.erlide.wrangler.refactoring.backend.internal.WranglerBackendManager;
import org.erlide.wrangler.refactoring.core.CostumWorkflowRefactoring;
import org.erlide.wrangler.refactoring.core.RefactoringWorkflowController;
import org.erlide.wrangler.refactoring.selection.IErlMemberSelection;
import org.erlide.wrangler.refactoring.selection.IErlSelection;
import org.erlide.wrangler.refactoring.util.GlobalParameters;
import org.erlide.wrangler.refactoring.util.IErlRange;
import com.ericsson.otp.erlang.OtpErlangString;
/**
* Rename function refactoring integration
*
* @author Gyorgy Orosz
* @version %I%, %G%
*/
public class RenameFunctionRefactoring extends CostumWorkflowRefactoring {
@Override
public RefactoringStatus checkInitialConditions(final IProgressMonitor pm)
throws CoreException, OperationCanceledException {
/*
* IErlSelection sel = GlobalParameters.getWranglerSelection(); if (sel
* instanceof IErlMemberSelection) { SelectionKind kind = sel.getKind();
* if (kind == SelectionKind.FUNCTION_CLAUSE || kind ==
* SelectionKind.FUNCTION) return new RefactoringStatus(); } return
* RefactoringStatus
* .createFatalErrorStatus("Please select a function!");
*/
return new RefactoringStatus();
}
@Override
public String getName() {
return "Rename function";
}
@Override
public IRefactoringRpcMessage run(final IErlSelection selection) {
final IErlMemberSelection sel = (IErlMemberSelection) selection;
final IErlRange memberRange = sel.getSelectionRange();
return WranglerBackendManager.getRefactoringBackend().call("rename_fun_eclipse",
"siisxi", sel.getFilePath(), memberRange.getStartLine(),
memberRange.getStartCol(), userInput, sel.getSearchPath(),
GlobalParameters.getTabWidth());
}
@Override
public IRefactoringRpcMessage runAlternative(final IErlSelection selection) {
final IErlMemberSelection sel = (IErlMemberSelection) selection;
final IErlRange memberRange = sel.getMemberRange();
return WranglerBackendManager.getRefactoringBackend().call(
"rename_fun_1_eclipse", "siisxi", sel.getFilePath(),
memberRange.getStartLine(), memberRange.getStartCol(), userInput,
sel.getSearchPath(), GlobalParameters.getTabWidth());
}
@Override
public RefactoringWorkflowController getWorkflowController(final Shell shell) {
return new RefactoringWorkflowController(shell) {
@Override
public void doRefactoring() {
final IErlSelection sel = GlobalParameters.getWranglerSelection();
IRefactoringRpcMessage message = run(sel);
if (message.isSuccessful()) {
changedFiles = message.getRefactoringChangeset();
status = new RefactoringStatus();
} else if (message.getRefactoringState() == RefactoringState.WARNING) {
if (ask("Warning", message.getMessageString())) {
message = runAlternative(sel);
if (message.getRefactoringState() == RefactoringState.OK) {
status = new RefactoringStatus();
} else {
status = RefactoringStatus.createFatalErrorStatus(message
.getMessageString());
}
} else {
stop();
}
} else {
status = RefactoringStatus.createFatalErrorStatus(message
.getMessageString());
}
}
};
}
@Override
public String getDefaultValue() {
final IErlMemberSelection sel = (IErlMemberSelection) GlobalParameters
.getWranglerSelection();
if (sel == null) {
return "";
}
final RpcResult res = WranglerBackendManager.getRefactoringBackend()
.callWithoutParser("get_fun_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 "";
}
}