Class DefaultDamagerRepairer2

java.lang.Object
org.eclipse.epsilon.common.dt.editor.DefaultDamagerRepairer2
All Implemented Interfaces:
org.eclipse.jface.text.presentation.IPresentationDamager, org.eclipse.jface.text.presentation.IPresentationRepairer

public class DefaultDamagerRepairer2 extends Object implements org.eclipse.jface.text.presentation.IPresentationDamager, org.eclipse.jface.text.presentation.IPresentationRepairer
A standard implementation of a syntax driven presentation damager and presentation repairer. It uses a token scanner to scan the document and to determine its damage and new text presentation. The tokens returned by the scanner are supposed to return text attributes as their data.
Since:
2.0
See Also:
  • ITokenScanner
  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    org.eclipse.jface.text.TextAttribute
    The default text attribute if non is returned as data by the current token
    protected org.eclipse.jface.text.IDocument
    The document this object works on
    protected org.eclipse.jface.text.rules.ITokenScanner
    The scanner it uses
  • Constructor Summary

    Constructors
    Constructor
    Description
    DefaultDamagerRepairer2(org.eclipse.jface.text.rules.ITokenScanner scanner)
    Creates a damager/repairer that uses the given scanner.
    DefaultDamagerRepairer2(org.eclipse.jface.text.rules.ITokenScanner scanner, org.eclipse.jface.text.TextAttribute defaultTextAttribute)
    Deprecated.
    use DefaultDamagerRepairer(ITokenScanner) instead
  • Method Summary

    Modifier and Type
    Method
    Description
    protected void
    addRange(org.eclipse.jface.text.TextPresentation presentation, int offset, int length, org.eclipse.jface.text.TextAttribute attr)
    Adds style information to the given text presentation.
    void
    createPresentation(org.eclipse.jface.text.TextPresentation presentation, org.eclipse.jface.text.ITypedRegion region)
     
    protected int
    endOfLineOf(int offset)
    Returns the end offset of the line that contains the specified offset or if the offset is inside a line delimiter, the end offset of the next line.
    org.eclipse.jface.text.IRegion
    getDamageRegion(org.eclipse.jface.text.ITypedRegion partition, org.eclipse.jface.text.DocumentEvent e, boolean documentPartitioningChanged)
     
    protected org.eclipse.jface.text.TextAttribute
    getTokenTextAttribute(org.eclipse.jface.text.rules.IToken token)
    Returns a text attribute encoded in the given token.
    void
    setDocument(org.eclipse.jface.text.IDocument document)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Field Details

    • fDocument

      protected org.eclipse.jface.text.IDocument fDocument
      The document this object works on
    • fScanner

      protected org.eclipse.jface.text.rules.ITokenScanner fScanner
      The scanner it uses
    • fDefaultTextAttribute

      public org.eclipse.jface.text.TextAttribute fDefaultTextAttribute
      The default text attribute if non is returned as data by the current token
  • Constructor Details

    • DefaultDamagerRepairer2

      @Deprecated public DefaultDamagerRepairer2(org.eclipse.jface.text.rules.ITokenScanner scanner, org.eclipse.jface.text.TextAttribute defaultTextAttribute)
      Deprecated.
      use DefaultDamagerRepairer(ITokenScanner) instead
      Creates a damager/repairer that uses the given scanner and returns the given default text attribute if the current token does not carry a text attribute.
      Parameters:
      scanner - the token scanner to be used
      defaultTextAttribute - the text attribute to be returned if non is specified by the current token, may not be null
    • DefaultDamagerRepairer2

      public DefaultDamagerRepairer2(org.eclipse.jface.text.rules.ITokenScanner scanner)
      Creates a damager/repairer that uses the given scanner. The scanner may not be null and is assumed to return only token that carry text attributes.
      Parameters:
      scanner - the token scanner to be used, may not be null
  • Method Details

    • setDocument

      public void setDocument(org.eclipse.jface.text.IDocument document)
      Specified by:
      setDocument in interface org.eclipse.jface.text.presentation.IPresentationDamager
      Specified by:
      setDocument in interface org.eclipse.jface.text.presentation.IPresentationRepairer
    • endOfLineOf

      protected int endOfLineOf(int offset) throws org.eclipse.jface.text.BadLocationException
      Returns the end offset of the line that contains the specified offset or if the offset is inside a line delimiter, the end offset of the next line.
      Parameters:
      offset - the offset whose line end offset must be computed
      Returns:
      the line end offset for the given offset
      Throws:
      org.eclipse.jface.text.BadLocationException - if offset is invalid in the current document
    • getDamageRegion

      public org.eclipse.jface.text.IRegion getDamageRegion(org.eclipse.jface.text.ITypedRegion partition, org.eclipse.jface.text.DocumentEvent e, boolean documentPartitioningChanged)
      Specified by:
      getDamageRegion in interface org.eclipse.jface.text.presentation.IPresentationDamager
    • createPresentation

      public void createPresentation(org.eclipse.jface.text.TextPresentation presentation, org.eclipse.jface.text.ITypedRegion region)
      Specified by:
      createPresentation in interface org.eclipse.jface.text.presentation.IPresentationRepairer
    • getTokenTextAttribute

      protected org.eclipse.jface.text.TextAttribute getTokenTextAttribute(org.eclipse.jface.text.rules.IToken token)
      Returns a text attribute encoded in the given token. If the token's data is not null and a text attribute it is assumed that it is the encoded text attribute. It returns the default text attribute if there is no encoded text attribute found.
      Parameters:
      token - the token whose text attribute is to be determined
      Returns:
      the token's text attribute
    • addRange

      protected void addRange(org.eclipse.jface.text.TextPresentation presentation, int offset, int length, org.eclipse.jface.text.TextAttribute attr)
      Adds style information to the given text presentation.
      Parameters:
      presentation - the text presentation to be extended
      offset - the offset of the range to be styled
      length - the length of the range to be styled
      attr - the attribute describing the style of the range to be styled