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Aleksandra Zdrojowa
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Sep 12, 2022
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...ft/src/main/java/com/intellij/plugins/thrift/completion/ThriftGotoDeclarationHandler.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| package com.intellij.plugins.thrift.completion; | ||
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| import com.intellij.codeInsight.navigation.actions.GotoDeclarationHandler; | ||
| import com.intellij.openapi.actionSystem.DataContext; | ||
| import com.intellij.openapi.editor.Editor; | ||
| import com.intellij.openapi.project.Project; | ||
| import com.intellij.plugins.thrift.index.ThriftDeclarationIndex; | ||
| import com.intellij.plugins.thrift.lang.psi.ThriftDeclaration; | ||
| import com.intellij.psi.*; | ||
| import com.intellij.psi.search.GlobalSearchScope; | ||
| import org.apache.commons.compress.utils.Lists; | ||
| import org.jetbrains.annotations.Nls; | ||
| import org.jetbrains.annotations.NotNull; | ||
| import org.jetbrains.annotations.Nullable; | ||
| import org.jetbrains.plugins.scala.lang.psi.api.base.ScReference; | ||
| import org.jetbrains.plugins.scala.lang.resolve.ScalaResolveResult; | ||
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|
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| import java.util.Arrays; | ||
| import java.util.Collection; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
| import java.util.stream.Stream; | ||
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| public class ThriftGotoDeclarationHandler implements GotoDeclarationHandler { | ||
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| @NotNull | ||
| private List<ThriftDeclaration> getThriftDeclarations(List<String> fullyQualifiedNames, Project project) { | ||
| try { | ||
| return fullyQualifiedNames.stream() | ||
| .filter(name -> getElementName(name) != null && getPackageName(name) != null) | ||
| .map(name -> { | ||
| String elementName = getElementName(name); | ||
| String packageName = getPackageName(name); | ||
| return ThriftDeclarationIndex.findDeclaration(elementName, packageName, project, GlobalSearchScope.allScope(project)); | ||
| }) | ||
| .flatMap(Collection::stream) | ||
| .collect(Collectors.toList()); | ||
| } catch (NoClassDefFoundError ignored) {} | ||
| return Lists.newArrayList(); | ||
| } | ||
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| @Override | ||
| public PsiElement @Nullable [] getGotoDeclarationTargets(@Nullable PsiElement sourceElement, int offset, Editor editor) { | ||
| assert sourceElement != null; | ||
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| PsiFile containingFile = sourceElement.getContainingFile(); | ||
| PsiReference ref = containingFile.findReferenceAt(sourceElement.getTextRange().getStartOffset()); | ||
| List<String> fullyQualifiedNames = Collections.emptyList(); | ||
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| if (ref instanceof PsiJavaCodeReferenceElement) { | ||
| fullyQualifiedNames = Arrays.stream(((PsiJavaCodeReferenceElement) ref).multiResolve(false)) | ||
| .map(ResolveResult::getElement) | ||
| .filter(javaResolveResult -> javaResolveResult instanceof PsiClass) | ||
| .map(javaResolveResult -> ((PsiClass) javaResolveResult).getQualifiedName()) | ||
| .collect(Collectors.toList()); | ||
| } else if (ref instanceof ScReference){ | ||
| fullyQualifiedNames = Stream.of(((ScReference) ref).multiResolveScala(false)) | ||
| .map(ScalaResolveResult::qualifiedNameId) | ||
| .map(qualifiedName -> qualifiedName.substring(qualifiedName.lastIndexOf(":") + 1)) | ||
| .distinct() | ||
| .collect(Collectors.toList()); | ||
| } | ||
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| if(!fullyQualifiedNames.isEmpty()) { | ||
| PsiElement[] thriftMatches = getThriftDeclarations(fullyQualifiedNames, sourceElement.getProject()).stream() | ||
| .map(PsiElement::getNavigationElement) | ||
| .toArray(PsiElement[]::new); | ||
| if(thriftMatches.length > 0) { | ||
| return thriftMatches; | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| public @Nullable @Nls(capitalization = Nls.Capitalization.Title) String getActionText(@NotNull DataContext context) { | ||
| return GotoDeclarationHandler.super.getActionText(context); | ||
| } | ||
|
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| private String getPackageName(String qualifiedName) { | ||
| try { | ||
| return qualifiedName.substring(0, qualifiedName.lastIndexOf(".")); | ||
| } catch (IndexOutOfBoundsException ex){ | ||
| return null; | ||
| } | ||
| } | ||
|
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| private String getElementName(String qualifiedName) { | ||
| try { | ||
| return qualifiedName.substring(qualifiedName.lastIndexOf(".") + 1); | ||
| } catch (IndexOutOfBoundsException ex){ | ||
| return null; | ||
| } | ||
| } | ||
| } |
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