gecko-dev/editor/idl/nsIPlaintextEditor.idl

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#include "nsISupports.idl"

interface nsIDOMKeyEvent;

[scriptable, uuid(28dbb4d0-5fea-43f4-aca7-344fc2ecc4f9)]
interface nsIPlaintextEditor : nsISupports
{

  /* the bits in an editor behavior mask. */
  const short eEditorPlaintextBit = 0;                  /* only plain text entry is allowed via events */
  const short eEditorSingleLineBit = 1;                 /* enter key and CR-LF handled specially */
  const short eEditorPasswordBit = 2;                   /* text is not entered into content, only a representative character */
  const short eEditorReadonlyBit = 3;                   /* editing events are disabled.  Editor may still accept focus. */
  const short eEditorDisabledBit = 4;                   /* all events are disabled (like scrolling).  Editor will not accept focus. */
  const short eEditorFilterInputBit = 5;                /* text input is limited to certain character types, use mFilter */
  const short eEditorMailBit = 6;                       /* use mail-compose editting rules */
  const short eEditorUseAsyncUpdatesBit = 7;            /* prevent immediate reflows and view refreshes */
  const short eEditorEnableWrapHackBit = 8;             /* allow the editor to set font: monospace on the root node */
  const short eEditorWidgetBit = 9;                     /* bit for widgets */
  const short eEditorNoCSSBit = 10;                     /* this HTML editor should not create css styles */

  const long eEditorPlaintextMask            = 1;
  const long eEditorSingleLineMask           = 2;
  const long eEditorPasswordMask             = 4;
  const long eEditorReadonlyMask             = 8;
  const long eEditorDisabledMask             = 16;
  const long eEditorFilterInputMask          = 32;
  const long eEditorMailMask                 = 64;
  const long eEditorUseAsyncUpdatesMask      = 128;
  const long eEditorEnableWrapHackMask       = 256;
  const long eEditorWidgetMask               = 512;
  const long eEditorNoCSSMask                = 1024;

  /*
   * The valid values for newlines handling.
   * Can't change the values unless we remove
   * use of the pref.
   */
  const long eNewlinesPasteIntact                = 0;
  const long eNewlinesPasteToFirst               = 1;
  const long eNewlinesReplaceWithSpaces          = 2;
  const long eNewlinesStrip                      = 3;
  const long eNewlinesReplaceWithCommas          = 4;
  const long eNewlinesStripSurroundingWhitespace = 5;

  /**
    * The length of the contents in characters.
    * XXX change this type to 'unsigned long'
    */
  readonly attribute long textLength;

  /**
    * The maximum number of characters allowed.
    *   default: -1 (unlimited).
    */
  attribute long maxTextLength;

  /** Get and set the body wrap width.
    * 
    * Special values:
    *    0 = wrap to window width
    *   -1 = no wrap at all
    */
  attribute long wrapWidth;

  /** Get and set newline handling.
   *
   *  Values are the constants defined above.
   */
  attribute long newlineHandling;

  /** 
   * EditorKeyPress consumes a keyevent.
   * @param aKeyEvent    key event to consume
   */
  void handleKeyPress(in nsIDOMKeyEvent aKeyEvent);

  /**
   * Inserts a string at the current location,
   * given by the selection.
   * If the selection is not collapsed, the selection is deleted
   * and the insertion takes place at the resulting collapsed selection.
   *
   * @param aString   the string to be inserted
   */
   void insertText(in DOMString aStringToInsert);
  
  /**
   * Insert a line break into the content model.
   * The interpretation of a break is up to the implementation:
   * it may enter a character, split a node in the tree, etc.
   * This may be more efficient than calling InsertText with a newline.
   */
  void insertLineBreak();
};