/*
* Copyright 2012-2014 Sergey Ignatov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.intellij.erlang.quickfixes;
import com.intellij.codeInspection.ProblemDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.util.ArrayUtil;
import com.intellij.util.containers.ContainerUtil;
import org.intellij.erlang.psi.*;
import org.intellij.erlang.psi.impl.ErlangElementFactory;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
import java.util.List;
public class ErlangIntroduceRecordFix extends ErlangQuickFixBase {
@NotNull
@Override
public String getFamilyName() {
return "Introduce new record";
}
@Override
public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
PsiElement element = descriptor.getPsiElement();
List<String> fieldNames = element instanceof ErlangRecordRef ? getFieldNames((ErlangRecordRef) element) : ContainerUtil.<String>emptyList();
PsiElement record = ErlangElementFactory.createRecordFromText(project, element.getText(), ArrayUtil.toStringArray(fieldNames));
PsiFile file = element.getContainingFile();
if (file instanceof ErlangFile) {
ErlangCompositeElement elementBefore = getAnchorElement((ErlangFile) file);
if (elementBefore != null) {
file.addBefore(record, elementBefore);
String newLines = elementBefore instanceof ErlangRecordDefinition ? "\n" : "\n\n";
file.addBefore(ErlangElementFactory.createLeafFromText(project, newLines), elementBefore);
}
}
}
private static List<String> getFieldNames(@NotNull ErlangRecordRef recordRef) {
ErlangRecordTuple tuple = PsiTreeUtil.getNextSiblingOfType(recordRef, ErlangRecordTuple.class);
final List<String> fieldNames = new ArrayList<>();
if (tuple != null) {
tuple.accept(new ErlangRecursiveVisitor() {
@Override
public void visitRecordField(@NotNull ErlangRecordField o) {
ErlangQAtom fieldNameAtom = o.getFieldNameAtom();
String text = fieldNameAtom != null ? fieldNameAtom.getText() : null;
ContainerUtil.addIfNotNull(fieldNames, text);
}
});
}
return fieldNames;
}
}