/*
* Copyright 2012-2015 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.editor;
import com.intellij.codeInsight.hint.ImplementationTextSelectioner;
import com.intellij.openapi.util.TextRange;
import com.intellij.psi.PsiElement;
import com.intellij.psi.util.PsiTreeUtil;
import org.intellij.erlang.psi.ErlangAttribute;
import org.intellij.erlang.psi.ErlangFunctionClause;
import org.jetbrains.annotations.NotNull;
public class ErlangImplementationTextSelectioner implements ImplementationTextSelectioner {
@Override
public int getTextStartOffset(@NotNull PsiElement psiElement) {
return getTextRange(psiElement).getStartOffset();
}
@Override
public int getTextEndOffset(@NotNull PsiElement psiElement) {
return getTextRange(psiElement).getEndOffset();
}
@NotNull
private static TextRange getTextRange(PsiElement psiElement) {
@SuppressWarnings("unchecked")
PsiElement function = PsiTreeUtil.getParentOfType(psiElement, ErlangFunctionClause.class, ErlangAttribute.class);
PsiElement element = function == null ? psiElement : function;
return element.getTextRange();
}
}