How to use

getRequiredProposals

method

in

org.eclipse.jdt.core.CompletionProposal

@Override
protected boolean isOffsetValid(int offset) {
  if (fProposal.getKind() != CompletionProposal.CONSTRUCTOR_INVOCATION)
    return super.isOffsetValid(offset);
  return fProposal.getRequiredProposals()[0].getReplaceStart() <= offset;
}

@Override
protected boolean isOffsetValid(int offset) {
  if (fProposal.getKind() != CompletionProposal.CONSTRUCTOR_INVOCATION)
    return super.isOffsetValid(offset);
  return fProposal.getRequiredProposals()[0].getReplaceStart() <= offset;
}

private void createAnonymousTypeLabel(CompletionProposal proposal, CompletionItem item) {
  char[] declaringTypeSignature= proposal.getDeclarationSignature();
  declaringTypeSignature= Signature.getTypeErasure(declaringTypeSignature);
  String name = new String(Signature.getSignatureSimpleName(declaringTypeSignature));
  item.setInsertText(name);
  StringBuilder buf= new StringBuilder();
  buf.append(name);
  buf.append('(');
  appendUnboundedParameterList(buf, proposal);
  buf.append(')');
  buf.append("  "); //$NON-NLS-1$
  buf.append("Anonymous Inner Type"); //TODO: consider externalization
  item.setLabel(buf.toString());
  if (proposal.getRequiredProposals() != null) {
    char[] signatureQualifier= Signature.getSignatureQualifier(declaringTypeSignature);
    if (signatureQualifier.length > 0) {
      item.setDetail(String.valueOf(signatureQualifier));
    }
  }
  setDeclarationSignature(item, String.valueOf(declaringTypeSignature));
}

  @Override
  public void accept(CompletionProposal proposal) {
    if (elementName.equals(new String(proposal.getName()))) {
      CompletionProposal[] requiredProposals= proposal.getRequiredProposals();
      for (int i= 0; i < requiredProposals.length; i++) {
        CompletionProposal curr= requiredProposals[i];
        if (curr.getKind() == CompletionProposal.METHOD_IMPORT || curr.getKind() == CompletionProposal.FIELD_IMPORT) {
          result.add(JavaModelUtil.concatenateName(Signature.toCharArray(curr.getDeclarationSignature()), curr.getName()));
        }
      }
    }
  }
};

  @Override
  public void accept(CompletionProposal proposal) {
    if (elementName.equals(new String(proposal.getName()))) {
      CompletionProposal[] requiredProposals= proposal.getRequiredProposals();
      for (int i= 0; i < requiredProposals.length; i++) {
        CompletionProposal curr= requiredProposals[i];
        if (curr.getKind() == CompletionProposal.METHOD_IMPORT || curr.getKind() == CompletionProposal.FIELD_IMPORT) {
          result.add(JavaModelUtil.concatenateName(Signature.toCharArray(curr.getDeclarationSignature()), curr.getName()));
        }
      }
    }
  }
};

  @Override
  public void accept(CompletionProposal proposal) {
    if (elementName.equals(new String(proposal.getName()))) {
      CompletionProposal[] requiredProposals= proposal.getRequiredProposals();
      for (int i= 0; i < requiredProposals.length; i++) {
        CompletionProposal curr= requiredProposals[i];
        if (curr.getKind() == CompletionProposal.METHOD_IMPORT || curr.getKind() == CompletionProposal.FIELD_IMPORT) {
          result.add(JavaModelUtil.concatenateName(Signature.toCharArray(curr.getDeclarationSignature()), curr.getName()));
        }
      }
    }
  }
};

@Override
public int getPrefixCompletionStart(IDocument document, int completionOffset) {
  CompletionProposal coreProposal= ((MemberProposalInfo)getProposalInfo()).fProposal;
  if (coreProposal.getKind() != CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION)
    return super.getPrefixCompletionStart(document, completionOffset);
  return coreProposal.getRequiredProposals()[0].getReplaceStart();
}

@Override
protected boolean isOffsetValid(int offset) {
  CompletionProposal coreProposal= ((MemberProposalInfo)getProposalInfo()).fProposal;
  if (coreProposal.getKind() != CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION)
    return super.isOffsetValid(offset);
  return coreProposal.getRequiredProposals()[0].getReplaceStart() <= offset;
}

@Override
protected boolean isOffsetValid(int offset) {
  CompletionProposal coreProposal= ((MemberProposalInfo)getProposalInfo()).fProposal;
  if (coreProposal.getKind() != CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION)
    return super.isOffsetValid(offset);
  return coreProposal.getRequiredProposals()[0].getReplaceStart() <= offset;
}

@Override
public int getPrefixCompletionStart(IDocument document, int completionOffset) {
  CompletionProposal coreProposal= ((MemberProposalInfo)getProposalInfo()).fProposal;
  if (coreProposal.getKind() != CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION)
    return super.getPrefixCompletionStart(document, completionOffset);
  return coreProposal.getRequiredProposals()[0].getReplaceStart();
}

@Override
protected String getPrefix(IDocument document, int offset) {
  if (fProposal.getKind() != CompletionProposal.CONSTRUCTOR_INVOCATION)
    return super.getPrefix(document, offset);
  int replacementOffset= fProposal.getRequiredProposals()[0].getReplaceStart();
  try {
    int length= offset - replacementOffset;
    if (length > 0)
      return document.get(replacementOffset, length);
  } catch (BadLocationException x) {
  }
  return ""; //$NON-NLS-1$
}

@Override
protected String getPrefix(IDocument document, int offset) {
  if (fProposal.getKind() != CompletionProposal.CONSTRUCTOR_INVOCATION)
    return super.getPrefix(document, offset);
  int replacementOffset= fProposal.getRequiredProposals()[0].getReplaceStart();
  try {
    int length= offset - replacementOffset;
    if (length > 0)
      return document.get(replacementOffset, length);
  } catch (BadLocationException x) {
  }
  return ""; //$NON-NLS-1$
}

@Override
public int getPrefixCompletionStart(IDocument document, int completionOffset) {
  if (fProposal.getKind() == CompletionProposal.METHOD_REF_WITH_CASTED_RECEIVER) {
    return fProposal.getTokenStart();
  } else if (fProposal.getKind() == CompletionProposal.CONSTRUCTOR_INVOCATION)
    return fProposal.getRequiredProposals()[0].getReplaceStart();
  return super.getPrefixCompletionStart(document, completionOffset);
}

@Override
public int getPrefixCompletionStart(IDocument document, int completionOffset) {
  if (fProposal.getKind() == CompletionProposal.METHOD_REF_WITH_CASTED_RECEIVER) {
    return fProposal.getTokenStart();
  } else if (fProposal.getKind() == CompletionProposal.CONSTRUCTOR_INVOCATION)
    return fProposal.getRequiredProposals()[0].getReplaceStart();
  return super.getPrefixCompletionStart(document, completionOffset);
}

@Override
protected String getPrefix(IDocument document, int offset) {
  CompletionProposal coreProposal= ((MemberProposalInfo)getProposalInfo()).fProposal;
  if (coreProposal.getKind() != CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION)
    return super.getPrefix(document, offset);
  int replacementOffset= coreProposal.getRequiredProposals()[0].getReplaceStart();
  try {
    int length= offset - replacementOffset;
    if (length > 0)
      return document.get(replacementOffset, length);
  } catch (BadLocationException x) {
  }
  return ""; //$NON-NLS-1$
}

@Override
protected String getPrefix(IDocument document, int offset) {
  CompletionProposal coreProposal= ((MemberProposalInfo)getProposalInfo()).fProposal;
  if (coreProposal.getKind() != CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION)
    return super.getPrefix(document, offset);
  int replacementOffset= coreProposal.getRequiredProposals()[0].getReplaceStart();
  try {
    int length= offset - replacementOffset;
    if (length > 0)
      return document.get(replacementOffset, length);
  } catch (BadLocationException x) {
  }
  return ""; //$NON-NLS-1$
}

StyledString createAnonymousTypeLabel(CompletionProposal proposal) {
  char[] declaringTypeSignature= proposal.getDeclarationSignature();
  declaringTypeSignature= Signature.getTypeErasure(declaringTypeSignature);
  StyledString buffer= new StyledString();
  buffer.append(Signature.getSignatureSimpleName(declaringTypeSignature));
  buffer.append('(');
  appendUnboundedParameterList(buffer, proposal);
  buffer.append(')');
  buffer.append("  "); //$NON-NLS-1$
  buffer.append(JavaTextMessages.ResultCollector_anonymous_type);
  if (proposal.getRequiredProposals() != null) {
    char[] signatureQualifier= Signature.getSignatureQualifier(declaringTypeSignature);
    if (signatureQualifier.length > 0) {
      buffer.append(JavaElementLabels.CONCAT_STRING, StyledString.QUALIFIER_STYLER);
      buffer.append(signatureQualifier, StyledString.QUALIFIER_STYLER);
    }
  }
  return Strings.markJavaElementLabelLTR(buffer);
}

StyledString createAnonymousTypeLabel(CompletionProposal proposal) {
  char[] declaringTypeSignature= proposal.getDeclarationSignature();
  declaringTypeSignature= Signature.getTypeErasure(declaringTypeSignature);
  StyledString buffer= new StyledString();
  buffer.append(Signature.getSignatureSimpleName(declaringTypeSignature));
  buffer.append('(');
  appendUnboundedParameterList(buffer, proposal);
  buffer.append(')');
  buffer.append("  "); //$NON-NLS-1$
  buffer.append(JavaTextMessages.ResultCollector_anonymous_type);
  if (proposal.getRequiredProposals() != null) {
    char[] signatureQualifier= Signature.getSignatureQualifier(declaringTypeSignature);
    if (signatureQualifier.length > 0) {
      buffer.append(JavaElementLabels.CONCAT_STRING, StyledString.QUALIFIER_STYLER);
      buffer.append(signatureQualifier, StyledString.QUALIFIER_STYLER);
    }
  }
  return Strings.markJavaElementLabelLTR(buffer);
}

StyledString createLabelWithTypeAndDeclaration(CompletionProposal proposal) {
  char[] name= proposal.getCompletion();
  if (!isThisPrefix(name))
    name= proposal.getName();
  StyledString buf= new StyledString();
  buf.append(name);
  char[] typeName= Signature.getSignatureSimpleName(proposal.getSignature());
  if (typeName.length > 0) {
    buf.append(VAR_TYPE_SEPARATOR);
    buf.append(typeName);
  }
  char[] declaration= proposal.getDeclarationSignature();
  if (declaration != null) {
    declaration= Signature.getSignatureSimpleName(declaration);
    if (declaration.length > 0) {
      buf.append(QUALIFIER_SEPARATOR, StyledString.QUALIFIER_STYLER);
      if (proposal.getRequiredProposals() != null) {
        String declaringType= extractDeclaringTypeFQN(proposal);
        String qualifier= Signature.getQualifier(declaringType);
        if (qualifier.length() > 0) {
          buf.append(qualifier, StyledString.QUALIFIER_STYLER);
          buf.append('.', StyledString.QUALIFIER_STYLER);
        }
      }
      buf.append(declaration, StyledString.QUALIFIER_STYLER);
    }
  }
  return Strings.markJavaElementLabelLTR(buf);
}

StyledString createLabelWithTypeAndDeclaration(CompletionProposal proposal) {
  char[] name= proposal.getCompletion();
  if (!isThisPrefix(name))
    name= proposal.getName();
  StyledString buf= new StyledString();
  buf.append(name);
  char[] typeName= Signature.getSignatureSimpleName(proposal.getSignature());
  if (typeName.length > 0) {
    buf.append(VAR_TYPE_SEPARATOR);
    buf.append(typeName);
  }
  char[] declaration= proposal.getDeclarationSignature();
  if (declaration != null) {
    declaration= Signature.getSignatureSimpleName(declaration);
    if (declaration.length > 0) {
      buf.append(QUALIFIER_SEPARATOR, StyledString.QUALIFIER_STYLER);
      if (proposal.getRequiredProposals() != null) {
        String declaringType= extractDeclaringTypeFQN(proposal);
        String qualifier= Signature.getQualifier(declaringType);
        if (qualifier.length() > 0) {
          buf.append(qualifier, StyledString.QUALIFIER_STYLER);
          buf.append('.', StyledString.QUALIFIER_STYLER);
        }
      }
      buf.append(declaration, StyledString.QUALIFIER_STYLER);
    }
  }
  return Strings.markJavaElementLabelLTR(buf);
}