/*
* 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.navigation;
import com.intellij.codeInsight.daemon.impl.PsiElementListNavigator;
import com.intellij.ide.util.DefaultPsiElementCellRenderer;
import com.intellij.lang.LanguageCodeInsightActionHandler;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.NavigatablePsiElement;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.util.containers.ContainerUtil;
import org.intellij.erlang.psi.ErlangCallbackSpec;
import org.intellij.erlang.psi.ErlangFile;
import org.intellij.erlang.psi.ErlangFunction;
import org.intellij.erlang.psi.impl.ErlangPsiImplUtil;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
import java.util.List;
public class ErlangGotoSuperHandler implements LanguageCodeInsightActionHandler {
@Override
public boolean isValidFor(Editor editor, PsiFile file) {
return file instanceof ErlangFile;
}
@Override
public void invoke(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) {
PsiElement focusedElement = file.findElementAt(editor.getCaretModel().getOffset());
ErlangFunction function = focusedElement == null ? null : PsiTreeUtil.getParentOfType(focusedElement, ErlangFunction.class);
if (function == null) return;
List<ErlangCallbackSpec> callbackSpecs = ErlangNavigationUtil.getCallbackSpecs(function);
String presentation = ErlangPsiImplUtil.createFunctionPresentation(function);
PsiElementListNavigator.openTargets(editor, getNavigatables(presentation, callbackSpecs), "Go to callback specification", presentation, new DefaultPsiElementCellRenderer());
}
@Override
public boolean startInWriteAction() {
return false;
}
private static NavigatablePsiElement[] getNavigatables(String targetPresentation, List<ErlangCallbackSpec> callbackSpecs) {
ArrayList<NavigatablePsiElement> navigatables = new ArrayList<NavigatablePsiElement>(callbackSpecs.size());
for (ErlangCallbackSpec specFun : callbackSpecs) {
ContainerUtil.addIfNotNull(navigatables, ErlangNavigationUtil.getNavigatableSpecFun(targetPresentation, specFun));
}
return navigatables.toArray(new NavigatablePsiElement[navigatables.size()]);
}
}