Class ContextInformationValidator

  • All Implemented Interfaces:
    IContextInformationValidator

    public final class ContextInformationValidator
    extends Object
    implements IContextInformationValidator
    A default implementation of the IContextInfomationValidator interface. This implementation determines whether the information is valid by asking the content assist processor for all context information objects for the current position. If the currently displayed information is in the result set, the context information is considered valid.
    • Constructor Detail

      • ContextInformationValidator

        public ContextInformationValidator​(IContentAssistProcessor processor)
        Creates a new context information validator which is ready to be installed on a particular context information.
        Parameters:
        processor - the processor to be used for validation
    • Method Detail

      • install

        public void install​(IContextInformation contextInformation,
                            ITextViewer viewer,
                            int offset)
        Description copied from interface: IContextInformationValidator
        Installs this validator for the given context information.
        Specified by:
        install in interface IContextInformationValidator
        Parameters:
        contextInformation - the context information which this validator should check
        viewer - the text viewer on which the information is presented
        offset - the document offset for which the information has been computed
      • isContextInformationValid

        public boolean isContextInformationValid​(int offset)
        Description copied from interface: IContextInformationValidator
        Returns whether the information this validator is installed on is still valid at the given document position.
        Specified by:
        isContextInformationValid in interface IContextInformationValidator
        Parameters:
        offset - the current offset within the document
        Returns:
        true if the information also valid at the given document position