/*******************************************************************************
* Copyright (c) 2000, 2008 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.jsdt.internal.corext.fix;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.ltk.core.refactoring.CategorizedTextEditGroup;
import org.eclipse.ltk.core.refactoring.GroupCategory;
import org.eclipse.ltk.core.refactoring.GroupCategorySet;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.core.refactoring.TextChange;
import org.eclipse.text.edits.TextEdit;
import org.eclipse.wst.jsdt.core.IJavaScriptUnit;
import org.eclipse.wst.jsdt.core.ISourceRange;
import org.eclipse.wst.jsdt.core.dom.JavaScriptUnit;
import org.eclipse.wst.jsdt.core.search.TypeNameMatch;
import org.eclipse.wst.jsdt.internal.corext.codemanipulation.CodeGenerationSettings;
import org.eclipse.wst.jsdt.internal.corext.codemanipulation.OrganizeImportsOperation;
import org.eclipse.wst.jsdt.internal.corext.codemanipulation.OrganizeImportsOperation.IChooseImportQuery;
import org.eclipse.wst.jsdt.internal.corext.refactoring.changes.CompilationUnitChange;
import org.eclipse.wst.jsdt.internal.corext.util.Messages;
import org.eclipse.wst.jsdt.internal.ui.actions.ActionMessages;
import org.eclipse.wst.jsdt.internal.ui.dialogs.StatusInfo;
public class ImportsFix extends AbstractFix {
private static final class AmbiguousImportException extends RuntimeException {
private static final long serialVersionUID= 1L;
}
public static IFix createCleanUp(final JavaScriptUnit cu, CodeGenerationSettings settings, boolean organizeImports, RefactoringStatus status) throws CoreException {
if (!organizeImports)
return null;
IChooseImportQuery query= new IChooseImportQuery() {
public TypeNameMatch[] chooseImports(TypeNameMatch[][] openChoices, ISourceRange[] ranges) {
throw new AmbiguousImportException();
}
};
OrganizeImportsOperation op= new OrganizeImportsOperation((IJavaScriptUnit)cu.getJavaElement(), cu, settings.importIgnoreLowercase, false, false, query);
final TextEdit edit;
try {
edit= op.createTextEdit(null);
} catch (AmbiguousImportException e) {
status.addInfo(Messages.format(ActionMessages.OrganizeImportsAction_multi_error_unresolvable, getLocationString(cu)));
return null;
}
if (op.getParseError() != null) {
status.addInfo(Messages.format(ActionMessages.OrganizeImportsAction_multi_error_parse, getLocationString(cu)));
return null;
}
if (edit == null)
return null;
if (op.getNumberOfImportsAdded() == 0 && op.getNumberOfImportsRemoved() == 0)
return null;
return new IFix() {
public TextChange createChange() throws CoreException {
CompilationUnitChange result= new CompilationUnitChange(getDescription(), getCompilationUnit());
result.setEdit(edit);
String label= getDescription();
result.addTextEditGroup(new CategorizedTextEditGroup(label, new GroupCategorySet(new GroupCategory(label, label, label))));
return result;
}
public IJavaScriptUnit getCompilationUnit() {
return (IJavaScriptUnit)cu.getJavaElement();
}
public String getDescription() {
return FixMessages.ImportsFix_OrganizeImports_Description;
}
public IStatus getStatus() {
return StatusInfo.OK_STATUS;
}
};
}
private static String getLocationString(final JavaScriptUnit cu) {
return cu.getJavaElement().getPath().makeRelative().toString();
}
protected ImportsFix(String name, JavaScriptUnit compilationUnit, IFixRewriteOperation[] fixRewriteOperations) {
super(name, compilationUnit, fixRewriteOperations);
}
}