Java 类com.intellij.psi.util.ProximityLocation 实例源码

项目：intellij-ce-playground 文件：CreateFromUsageUtils.java

private static int compareMembers(PsiMember m1, PsiMember m2, PsiExpression context) {
  ProgressManager.checkCanceled();
  int result = JavaStatisticsManager.createInfo(null, m2).getUseCount() - JavaStatisticsManager.createInfo(null, m1).getUseCount();
  if (result != 0) return result;
  final PsiClass aClass = m1.getContainingClass();
  final PsiClass bClass = m2.getContainingClass();
  if (aClass != null && bClass != null) {
    result = JavaStatisticsManager.createInfo(null, bClass).getUseCount() - JavaStatisticsManager.createInfo(null, aClass).getUseCount();
    if (result != 0) return result;
  }

  WeighingComparable<PsiElement,ProximityLocation> proximity1 = PsiProximityComparator.getProximity(m1, context);
  WeighingComparable<PsiElement,ProximityLocation> proximity2 = PsiProximityComparator.getProximity(m2, context);
  if (proximity1 != null && proximity2 != null) {
    result = proximity2.compareTo(proximity1);
    if (result != 0) return result;
  }

  String name1 = PsiUtil.getMemberQualifiedName(m1);
  String name2 = PsiUtil.getMemberQualifiedName(m2);
  return Comparing.compare(name1, name2);
}

项目：intellij-ce-playground 文件：ReferenceListWeigher.java

@Nullable
protected Preference getPreferredCondition(@NotNull ProximityLocation location) {
  PsiElement position = location.getPosition();
  if (INSIDE_REFERENCE_LIST.accepts(position)) {
    assert position != null;
    PsiReferenceList list = (PsiReferenceList)position.getParent().getParent();
    PsiReferenceList.Role role = list.getRole();
    if (shouldContainInterfaces(list, role)) {
      return Preference.Interfaces;
    }
    if (role == PsiReferenceList.Role.EXTENDS_LIST) {
      return Preference.Classes;
    }
    if (role == PsiReferenceList.Role.THROWS_LIST) {
      return Preference.Exceptions;

    }
  }
  return null;
}

项目：intellij-ce-playground 文件：ReferenceListWeigher.java

@Override
public Integer weigh(@NotNull PsiElement element, @NotNull ProximityLocation location) {
  if (element instanceof PsiClass) {
    Preference condition = getPreferredCondition(location);
    PsiClass aClass = (PsiClass)element;
    if (condition == Preference.Interfaces) return aClass.isInterface() ? 1 : -1;
    if (condition == Preference.Classes) {
      if (aClass.isInterface()) return -1;
      if (aClass.getName().endsWith("TestCase")) {
        VirtualFile vFile = aClass.getContainingFile().getVirtualFile();
        if (vFile != null && ProjectFileIndex.SERVICE.getInstance(location.getProject()).isInTestSourceContent(vFile)) {
          return 2;
        }
      }
      return 1;
    }
    if (condition == Preference.Exceptions) return InheritanceUtil.isInheritor(aClass, CommonClassNames.JAVA_LANG_THROWABLE) ? 1 : -1;
  }

  return 0;
}

项目：intellij-ce-playground 文件：SamePsiMemberWeigher.java

@Override
public Comparable weigh(@NotNull final PsiElement element, @NotNull final ProximityLocation location) {
  PsiElement position = location.getPosition();
  if (position == null){
    return null;
  }
  if (!INSIDE_PSI_MEMBER.getValue(location)) {
    return 0;
  }
  if (element.isPhysical()) {
    position = PHYSICAL_POSITION.getValue(location);
  }

  final PsiMember member = PsiTreeUtil.getContextOfType(PsiTreeUtil.findCommonContext(position, element), PsiMember.class, false);
  if (member instanceof PsiClass) return 1;
  if (member != null) return 2;
  return 0;
}

项目：intellij-ce-playground 文件：JavaInheritanceWeigher.java

@NotNull
@Override
public Set<String> fun(ProximityLocation location) {
  final HashSet<String> result = new HashSet<String>();
  PsiClass contextClass = PsiTreeUtil.getContextOfType(location.getPosition(), PsiClass.class, false);
  Processor<PsiClass> processor = new Processor<PsiClass>() {
    @Override
    public boolean process(PsiClass psiClass) {
      ContainerUtilRt.addIfNotNull(result, psiClass.getQualifiedName());
      return true;
    }
  };
  while (contextClass != null) {
    InheritanceUtil.processSupers(contextClass, true, processor);
    contextClass = contextClass.getContainingClass();
  }
  return result;
}

项目：intellij-ce-playground 文件：JavaInheritanceWeigher.java

@Override
public Comparable weigh(@NotNull final PsiElement element, @NotNull final ProximityLocation location) {
  if (location.getPosition() == null || !(element instanceof PsiClass)) {
    return null;
  }
  if (isTooGeneral((PsiClass)element)) return false;

  Set<String> superClasses = PLACE_SUPER_CLASSES.getValue(location);
  if (superClasses.isEmpty()) {
    return false;
  }

  final PsiElement position = location.getPosition();
  PsiClass placeClass = findPlaceClass(element, position);
  if (placeClass == null) return false;

  PsiClass elementClass = placeClass;
  while (elementClass != null) {
    if (superClasses.contains(elementClass.getQualifiedName())) {
      return true;
    }
    elementClass = elementClass.getContainingClass();
  }

  return false;
}

项目：intellij-ce-playground 文件：PsiProximityComparator.java

@Nullable
public static WeighingComparable<PsiElement, ProximityLocation> getProximity(final Computable<PsiElement> elementComputable, final PsiElement context, ProcessingContext processingContext) {
  PsiElement element = elementComputable.compute();
  if (element == null) return null;
  if (element instanceof MetadataPsiElementBase) return null;
  if (context == null) return null;
  Module contextModule = processingContext.get(MODULE_BY_LOCATION);
  if (contextModule == null) {
    contextModule = ModuleUtilCore.findModuleForPsiElement(context);
    processingContext.put(MODULE_BY_LOCATION, contextModule);
  }

  if (contextModule == null) return null;

  return new WeighingComparable<PsiElement,ProximityLocation>(elementComputable,
                                                              new ProximityLocation(context, contextModule, processingContext),
                                                              PROXIMITY_WEIGHERS);
}

项目：intellij-ce-playground 文件：GrReferenceListWeigher.java

@Override
protected Preference getPreferredCondition(@NotNull ProximityLocation location) {
  PsiElement position = location.getPosition();
  if (INSIDE_REFERENCE_LIST.accepts(position)) {
    assert position != null;
    GrReferenceList list = (GrReferenceList)position.getParent().getParent();
    PsiElement parent = list.getParent();
    if (parent instanceof GrTypeDefinition) {
      GrTypeDefinition cls = (GrTypeDefinition)parent;
      if (cls.isInterface() && list == cls.getExtendsClause() || list == cls.getImplementsClause()) {
        return Preference.Interfaces;
      }
      if (list == cls.getExtendsClause()) {
        return Preference.Classes;
      }
    }
    if (parent instanceof GrMethod && ((GrMethod)parent).getThrowsList() == list) {
      return Preference.Exceptions;
    }
  }

  return null;
}

项目：tools-idea 文件：CreateFromUsageUtils.java

private static int compareMembers(PsiMember m1, PsiMember m2, PsiExpression context) {
  ProgressManager.checkCanceled();
  int result = JavaStatisticsManager.createInfo(null, m2).getUseCount() - JavaStatisticsManager.createInfo(null, m1).getUseCount();
  if (result != 0) return result;
  final PsiClass aClass = m1.getContainingClass();
  final PsiClass bClass = m2.getContainingClass();
  if (aClass != null && bClass != null) {
    result = JavaStatisticsManager.createInfo(null, bClass).getUseCount() - JavaStatisticsManager.createInfo(null, aClass).getUseCount();
    if (result != 0) return result;
  }

  WeighingComparable<PsiElement,ProximityLocation> proximity1 = PsiProximityComparator.getProximity(m1, context);
  WeighingComparable<PsiElement,ProximityLocation> proximity2 = PsiProximityComparator.getProximity(m2, context);
  if (proximity1 != null && proximity2 != null) {
    result = proximity2.compareTo(proximity1);
    if (result != 0) return result;
  }

  String name1 = PsiUtil.getMemberQualifiedName(m1);
  String name2 = PsiUtil.getMemberQualifiedName(m2);
  return name1 == null || name2 == null ? 0 : name1.compareTo(name2);
}

项目：tools-idea 文件：ReferenceListWeigher.java

@Nullable
protected Preference getPreferredCondition(@NotNull ProximityLocation location) {
  PsiElement position = location.getPosition();
  if (PlatformPatterns.psiElement().withParents(PsiJavaCodeReferenceElement.class, PsiReferenceList.class).accepts(position)) {
    assert position != null;
    PsiReferenceList list = (PsiReferenceList)position.getParent().getParent();
    PsiReferenceList.Role role = list.getRole();
    if (shouldContainInterfaces(list, role)) {
      return Preference.Interfaces;
    }
    if (role == PsiReferenceList.Role.EXTENDS_LIST) {
      return Preference.Classes;
    }
    if (role == PsiReferenceList.Role.THROWS_LIST) {
      return Preference.Exceptions;

    }
  }
  return null;
}

项目：tools-idea 文件：ReferenceListWeigher.java

@Override
public Integer weigh(@NotNull PsiElement element, @NotNull ProximityLocation location) {
  if (element instanceof PsiClass) {
    Preference condition = getPreferredCondition(location);
    PsiClass aClass = (PsiClass)element;
    if (condition == Preference.Interfaces) return aClass.isInterface() ? 1 : -1;
    if (condition == Preference.Classes) {
      if (aClass.isInterface()) return -1;
      if (aClass.getName().endsWith("TestCase")) {
        VirtualFile vFile = aClass.getContainingFile().getVirtualFile();
        if (vFile != null && ProjectFileIndex.SERVICE.getInstance(location.getProject()).isInTestSourceContent(vFile)) {
          return 2;
        }
      }
      return 1;
    }
    if (condition == Preference.Exceptions) return InheritanceUtil.isInheritor(aClass, CommonClassNames.JAVA_LANG_THROWABLE) ? 1 : -1;
  }

  return 0;
}

项目：tools-idea 文件：SamePsiMemberWeigher.java

@Override
public Comparable weigh(@NotNull final PsiElement element, @NotNull final ProximityLocation location) {
  PsiElement position = location.getPosition();
  if (position == null){
    return null;
  }
  if (!INSIDE_PSI_MEMBER.getValue(location)) {
    return 0;
  }
  if (element.isPhysical()) {
    position = PHYSICAL_POSITION.getValue(location);
  }

  final PsiMember member = PsiTreeUtil.getContextOfType(PsiTreeUtil.findCommonContext(position, element), PsiMember.class, false);
  if (member instanceof PsiClass) return 1;
  if (member != null) return 2;
  return 0;
}

项目：tools-idea 文件：JavaInheritanceWeigher.java

@NotNull
@Override
public Set<String> fun(ProximityLocation location) {
  final HashSet<String> result = new HashSet<String>();
  PsiClass contextClass = PsiTreeUtil.getContextOfType(location.getPosition(), PsiClass.class, false);
  Processor<PsiClass> processor = new Processor<PsiClass>() {
    @Override
    public boolean process(PsiClass psiClass) {
      ContainerUtilRt.addIfNotNull(result, psiClass.getQualifiedName());
      return true;
    }
  };
  while (contextClass != null) {
    InheritanceUtil.processSupers(contextClass, true, processor);
    contextClass = contextClass.getContainingClass();
  }
  return result;
}

项目：tools-idea 文件：JavaInheritanceWeigher.java

@Override
public Comparable weigh(@NotNull final PsiElement element, @NotNull final ProximityLocation location) {
  if (location.getPosition() == null || !(element instanceof PsiClass)) {
    return null;
  }
  if (isTooGeneral((PsiClass)element)) return false;

  Set<String> superClasses = PLACE_SUPER_CLASSES.getValue(location);
  if (superClasses.isEmpty()) {
    return false;
  }

  final PsiElement position = location.getPosition();
  PsiClass placeClass = findPlaceClass(element, position);
  if (placeClass == null) return false;

  PsiClass elementClass = placeClass;
  while (elementClass != null) {
    if (superClasses.contains(elementClass.getQualifiedName())) {
      return true;
    }
    elementClass = elementClass.getContainingClass();
  }

  return false;
}

项目：tools-idea 文件：PsiProximityComparator.java

@Override
public int compare(final Object o1, final Object o2) {
  PsiElement element1 = o1 instanceof PsiElement ? (PsiElement)o1 : null;
  PsiElement element2 = o2 instanceof PsiElement ? (PsiElement)o2 : null;
  if (element1 == null) return element2 == null ? 0 : 1;
  if (element2 == null) return -1;

  final WeighingComparable<PsiElement, ProximityLocation> proximity1 = myProximities.get(element1);
  final WeighingComparable<PsiElement, ProximityLocation> proximity2 = myProximities.get(element2);
  if (proximity1 == null || proximity2 == null) {
    return 0;
  }
  if (!proximity1.equals(proximity2)) {
    return - proximity1.compareTo(proximity2);
  }

  if (myContext == null) return 0;
  Module contextModule = ModuleUtil.findModuleForPsiElement(myContext);
  if (contextModule == null) return 0;

  StatisticsManager statisticsManager = StatisticsManager.getInstance();
  final ProximityLocation location = new ProximityLocation(myContext, contextModule);
  int count1 = statisticsManager.getUseCount(STATISTICS_KEY, element1, location);
  int count2 = statisticsManager.getUseCount(STATISTICS_KEY, element1, location);
  return count2 - count1;
}

项目：tools-idea 文件：PsiProximityComparator.java

@Nullable
public static WeighingComparable<PsiElement, ProximityLocation> getProximity(final Computable<PsiElement> elementComputable, final PsiElement context, ProcessingContext processingContext) {
  PsiElement element = elementComputable.compute();
  if (element == null) return null;
  if (element instanceof MetadataPsiElementBase) return null;
  if (context == null) return null;
  Module contextModule = processingContext.get(MODULE_BY_LOCATION);
  if (contextModule == null) {
    contextModule = ModuleUtil.findModuleForPsiElement(context);
    processingContext.put(MODULE_BY_LOCATION, contextModule);
  }

  if (contextModule == null) return null;

  return new WeighingComparable<PsiElement,ProximityLocation>(elementComputable,
                                                              new ProximityLocation(context, contextModule, processingContext),
                                                              PROXIMITY_WEIGHERS);
}

项目：tools-idea 文件：GrReferenceListWeigher.java

@Override
protected Preference getPreferredCondition(@NotNull ProximityLocation location) {
  PsiElement position = location.getPosition();
  if (PlatformPatterns.psiElement().withParents(GrCodeReferenceElement.class, GrReferenceList.class).accepts(position)) {
    assert position != null;
    GrReferenceList list = (GrReferenceList)position.getParent().getParent();
    PsiElement parent = list.getParent();
    if (parent instanceof GrTypeDefinition) {
      GrTypeDefinition cls = (GrTypeDefinition)parent;
      if (cls.isInterface() && list == cls.getExtendsClause() || list == cls.getImplementsClause()) {
        return Preference.Interfaces;
      }
      if (list == cls.getExtendsClause()) {
        return Preference.Classes;
      }
    }
    if (parent instanceof GrMethod && ((GrMethod)parent).getThrowsList() == list) {
      return Preference.Exceptions;
    }
  }

  return null;
}

项目：consulo 文件：PsiProximityComparator.java

@Override
public int compare(final Object o1, final Object o2) {
  PsiElement element1 = o1 instanceof PsiElement ? (PsiElement)o1 : null;
  PsiElement element2 = o2 instanceof PsiElement ? (PsiElement)o2 : null;
  if (element1 == null) return element2 == null ? 0 : 1;
  if (element2 == null) return -1;

  final WeighingComparable<PsiElement, ProximityLocation> proximity1 = myProximities.get(element1);
  final WeighingComparable<PsiElement, ProximityLocation> proximity2 = myProximities.get(element2);
  if (proximity1 == null || proximity2 == null) {
    return 0;
  }
  if (!proximity1.equals(proximity2)) {
    return - proximity1.compareTo(proximity2);
  }

  if (myContext == null) return 0;
  Module contextModule = ModuleUtil.findModuleForPsiElement(myContext);
  if (contextModule == null) return 0;

  StatisticsManager statisticsManager = StatisticsManager.getInstance();
  final ProximityLocation location = new ProximityLocation(myContext, contextModule);
  int count1 = statisticsManager.getUseCount(STATISTICS_KEY, element1, location);
  int count2 = statisticsManager.getUseCount(STATISTICS_KEY, element1, location);
  return count2 - count1;
}

项目：consulo 文件：PsiProximityComparator.java

@Nullable
public static WeighingComparable<PsiElement, ProximityLocation> getProximity(final Computable<PsiElement> elementComputable, final PsiElement context, ProcessingContext processingContext) {
  PsiElement element = elementComputable.compute();
  if (element == null) return null;
  if (element instanceof MetadataPsiElementBase) return null;
  if (context == null) return null;
  Module contextModule = processingContext.get(MODULE_BY_LOCATION);
  if (contextModule == null) {
    contextModule = ModuleUtil.findModuleForPsiElement(context);
    processingContext.put(MODULE_BY_LOCATION, contextModule);
  }

  if (contextModule == null) return null;

  return new WeighingComparable<PsiElement,ProximityLocation>(elementComputable,
                                                              new ProximityLocation(context, contextModule, processingContext),
                                                              PROXIMITY_WEIGHERS);
}

项目：consulo-java 文件：KnownElementWeigher.java

@Nullable
private static Integer getTestFrameworkWeight(@NotNull PsiElement element, @NotNull ProximityLocation location, @NotNull Project project)
{
    if(element instanceof PsiClass)
    {
        final String qualifiedName = ((PsiClass) element).getQualifiedName();
        if(qualifiedName != null)
        {
            if(qualifiedName.startsWith("org.testng.internal"))
            {
                return -1;
            }
            VirtualFile locationFile = PsiUtilCore.getVirtualFile(location.getPosition());
            if(locationFile != null && ProjectFileIndex.SERVICE.getInstance(project).isInTestSourceContent(locationFile) && (qualifiedName.contains("junit") || qualifiedName.contains("test")))
            {
                return 1;
            }
        }
    }
    return null;
}

项目：consulo-java 文件：JavaInheritanceWeigher.java

@NotNull
@Override
public Set<String> fun(ProximityLocation location)
{
    final HashSet<String> result = new HashSet<>();
    PsiClass contextClass = PsiTreeUtil.getContextOfType(location.getPosition(), PsiClass.class, false);
    Processor<PsiClass> processor = psiClass ->
    {
        ContainerUtilRt.addIfNotNull(result, psiClass.getQualifiedName());
        return true;
    };
    while(contextClass != null)
    {
        InheritanceUtil.processSupers(contextClass, true, processor);
        contextClass = contextClass.getContainingClass();
    }
    return result;
}

项目：intellij-ce-playground 文件：ExplicitlyImportedWeigher.java

@Override
public PsiPackage fun(ProximityLocation location) {
  PsiElement position = location.getPosition();
  if (position == null) return null;

  return getContextPackage(position);
}

项目：intellij-ce-playground 文件：ExplicitlyImportedWeigher.java

@NotNull
@Override
public List<String> fun(ProximityLocation location) {
  final PsiJavaFile psiJavaFile = PsiTreeUtil.getContextOfType(location.getPosition(), PsiJavaFile.class, false);
  final PsiImportList importList = psiJavaFile == null ? null : psiJavaFile.getImportList();
  if (importList == null) return Collections.emptyList();

  List<String> importedNames = ContainerUtil.newArrayList();
  for (final PsiImportStatement importStatement : importList.getImportStatements()) {
    ContainerUtil.addIfNotNull(importedNames, importStatement.getQualifiedName());
  }
  return importedNames;
}

项目：intellij-ce-playground 文件：SameLogicalRootWeigher.java

@Override
public Comparable weigh(@NotNull final PsiElement element, @NotNull final ProximityLocation location) {
  if (location.getPosition() == null){
    return null;
  }
  final LogicalRoot contextRoot = LOGICAL_ROOT_KEY.getValue(location);
  if (contextRoot == null) {
    return false;
  }

  return contextRoot.equals(findLogicalRoot(element));
}

项目：intellij-ce-playground 文件：OpenedInEditorWeigher.java

@Override
public Comparable weigh(@NotNull final PsiElement element, @NotNull final ProximityLocation location) {
  if (location.getProject() == null){
    return null;
  }
  final PsiFile psiFile = element.getContainingFile();
  if (psiFile == null) return false;

  final VirtualFile virtualFile = psiFile.getOriginalFile().getVirtualFile();
  return virtualFile != null && ArrayUtil.find(OPENED_EDITORS.getValue(location), virtualFile) != -1;
}

项目：intellij-ce-playground 文件：PsiProximityComparator.java

@Override
public int compare(final Object o1, final Object o2) {
  PsiElement element1 = o1 instanceof PsiElement ? (PsiElement)o1 : null;
  PsiElement element2 = o2 instanceof PsiElement ? (PsiElement)o2 : null;
  if (element1 == null) return element2 == null ? 0 : 1;
  if (element2 == null) return -1;

  if (myContext != null && myContextModule != null) {
    final ProximityLocation location = new ProximityLocation(myContext, myContextModule);
    StatisticsInfo info1 = StatisticsManager.serialize(STATISTICS_KEY, element1, location);
    StatisticsInfo info2 = StatisticsManager.serialize(STATISTICS_KEY, element2, location);
    if (info1 != null && info2 != null) {
      StatisticsManager statisticsManager = StatisticsManager.getInstance();
      int count1 = statisticsManager.getLastUseRecency(info1);
      int count2 = statisticsManager.getLastUseRecency(info2);
      if (count1 != count2) {
        return count1 < count2 ? -1 : 1;
      }
    }
  }

  final WeighingComparable<PsiElement, ProximityLocation> proximity1 = myProximities.get(element1);
  final WeighingComparable<PsiElement, ProximityLocation> proximity2 = myProximities.get(element2);
  if (proximity1 == null || proximity2 == null) {
    return 0;
  }
  return -proximity1.compareTo(proximity2);
}

项目：intellij-ce-playground 文件：PsiProximityComparator.java

@Nullable
public static WeighingComparable<PsiElement, ProximityLocation> getProximity(final PsiElement element, final PsiElement context) {
  if (element == null) return null;
  if (element instanceof MetadataPsiElementBase) return null;
  final Module contextModule = context != null ? ModuleUtilCore.findModuleForPsiElement(context) : null;
  return WeighingService.weigh(WEIGHER_KEY, element, new ProximityLocation(context, contextModule));
}

项目：intellij-ce-playground 文件：SameModuleWeigher.java

@Override
public Comparable weigh(@NotNull final PsiElement element, @NotNull final ProximityLocation location) {
  final Module elementModule = ModuleUtil.findModuleForPsiElement(element);
  if (location.getPositionModule() == elementModule) {
    return 2;
  }

  if (elementModule != null) {
    return 1; // in project => still not bad
  }

  return 0;
}

项目：intellij-ce-playground 文件：SameDirectoryWeigher.java

@Override
public Boolean weigh(@NotNull final PsiElement element, @NotNull final ProximityLocation location) {
  if (location.getPosition() == null) {
    return Boolean.TRUE;
  }
  final PsiDirectory placeDirectory = PLACE_DIRECTORY.getValue(location);
  return placeDirectory != null && placeDirectory.equals(getParentDirectory(element));
}

项目：tools-idea 文件：ExplicitlyImportedWeigher.java

@Override
public PsiPackage fun(ProximityLocation location) {
  PsiElement position = location.getPosition();
  if (position == null) return null;

  return getContextPackage(position);
}

项目：tools-idea 文件：SameLogicalRootWeigher.java

@Override
public Comparable weigh(@NotNull final PsiElement element, @NotNull final ProximityLocation location) {
  if (location.getPosition() == null){
    return null;
  }
  final LogicalRoot contextRoot = LOGICAL_ROOT_KEY.getValue(location);
  if (contextRoot == null) {
    return false;
  }

  return contextRoot.equals(findLogicalRoot(element));
}

项目：tools-idea 文件：OpenedInEditorWeigher.java

@Override
public Comparable weigh(@NotNull final PsiElement element, @NotNull final ProximityLocation location) {
  if (location.getProject() == null){
    return null;
  }
  final PsiFile psiFile = element.getContainingFile();
  if (psiFile == null) return false;

  final VirtualFile virtualFile = psiFile.getOriginalFile().getVirtualFile();
  return virtualFile != null && ArrayUtil.find(OPENED_EDITORS.getValue(location), virtualFile) != -1;
}

项目：tools-idea 文件：PsiProximityComparator.java

@Nullable
public static WeighingComparable<PsiElement, ProximityLocation> getProximity(final PsiElement element, final PsiElement context) {
  if (element == null) return null;
  if (element instanceof MetadataPsiElementBase) return null;
  final Module contextModule = context != null ? ModuleUtil.findModuleForPsiElement(context) : null;
  return WeighingService.weigh(WEIGHER_KEY, element, new ProximityLocation(context, contextModule));
}

项目：tools-idea 文件：SameModuleWeigher.java

@Override
public Comparable weigh(@NotNull final PsiElement element, @NotNull final ProximityLocation location) {
  final Module elementModule = ModuleUtil.findModuleForPsiElement(element);
  if (location.getPositionModule() == elementModule) {
    return 2;
  }

  if (elementModule != null) {
    return 1; // in project => still not bad
  }

  return 0;
}

项目：tools-idea 文件：SameDirectoryWeigher.java

@Override
public Boolean weigh(@NotNull final PsiElement element, @NotNull final ProximityLocation location) {
  if (location.getPosition() == null) {
    return Boolean.TRUE;
  }
  final PsiDirectory placeDirectory = PLACE_DIRECTORY.getValue(location);
  return placeDirectory != null && placeDirectory.equals(getParentDirectory(element));
}

项目：consulo-csharp 文件：CSharpObsoleteProximityWeigher.java

@RequiredReadAction
@Override
public Comparable weigh(@NotNull PsiElement psiElement, @NotNull ProximityLocation proximityLocation)
{
    if(DotNetAttributeUtil.hasAttribute(psiElement, DotNetTypes.System.ObsoleteAttribute))
    {
        return Access.OBSOLETE;
    }
    return Access.NORMAL;
}

项目：consulo-csharp 文件：CSharpByGenericParameterWeigher.java

@Override
public Comparable weigh(@NotNull PsiElement psiElement, @NotNull ProximityLocation proximityLocation)
{
    if(psiElement instanceof DotNetGenericParameterListOwner && psiElement.getLanguage() == CSharpLanguage.INSTANCE)
    {
        return -((DotNetGenericParameterListOwner) psiElement).getGenericParametersCount();
    }
    return 0;
}

项目：consulo 文件：SameLogicalRootWeigher.java

@Override
public Comparable weigh(@Nonnull final PsiElement element, @Nonnull final ProximityLocation location) {
  if (location.getPosition() == null){
    return null;
  }
  final LogicalRoot contextRoot = LOGICAL_ROOT_KEY.getValue(location);
  if (contextRoot == null) {
    return false;
  }

  return contextRoot.equals(findLogicalRoot(element));
}

项目：consulo 文件：OpenedInEditorWeigher.java

@Override
public Comparable weigh(@Nonnull final PsiElement element, @Nonnull final ProximityLocation location) {
  if (location.getProject() == null){
    return null;
  }
  final PsiFile psiFile = element.getContainingFile();
  if (psiFile == null) return false;

  final VirtualFile virtualFile = psiFile.getOriginalFile().getVirtualFile();
  return virtualFile != null && ArrayUtil.find(OPENED_EDITORS.getValue(location), virtualFile) != -1;
}

项目：consulo 文件：PsiProximityComparator.java

@Nullable
public static WeighingComparable<PsiElement, ProximityLocation> getProximity(final PsiElement element, final PsiElement context) {
  if (element == null) return null;
  if (element instanceof MetadataPsiElementBase) return null;
  final Module contextModule = context != null ? ModuleUtil.findModuleForPsiElement(context) : null;
  return WeighingService.weigh(WEIGHER_KEY, element, new ProximityLocation(context, contextModule));
}