Java javax.swing.text Class DocumentFilter.FilterBypass（JDK8）

Constructor Detail

• FilterBypass

  public FilterBypass()

Method Detail

• getDocument

  public abstract Document getDocument()

  Returns the Document the mutation is occurring on.

  Returns:

  Document that remove/insertString will operate on

• remove

  public abstract void remove(int offset,
                              int length)
                       throws BadLocationException

  Removes the specified region of text, bypassing the DocumentFilter.

  Parameters:

  offset - the offset from the beginning >= 0

  length - the number of characters to remove >= 0

  Throws:

  BadLocationException - some portion of the removal range was not a valid part of the document. The location in the exception is the first bad position encountered.

• insertString

  public abstract void insertString(int offset,
                                    String string,
                                    AttributeSet attr)
                             throws BadLocationException

  Inserts the specified text, bypassing the DocumentFilter.

  Parameters:

  offset - the offset into the document to insert the content >= 0. All positions that track change at or after the given location will move.

  string - the string to insert

  attr - the attributes to associate with the inserted content. This may be null if there are no attributes.

  Throws:

  BadLocationException - the given insert position is not a valid position within the document

• replace

  public abstract void replace(int offset,
                               int length,
                               String string,
                               AttributeSet attrs)
                        throws BadLocationException

  Deletes the region of text from offset to offset + length, and replaces it with text.

  Parameters:

  offset - Location in Document

  length - Length of text to delete

  string - Text to insert, null indicates no text to insert

  attrs - AttributeSet indicating attributes of inserted text, null is legal.

  Throws:

  BadLocationException - the given insert is not a valid position within the document