EditorContextMenu.js

Enable keyboard shortcuts

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

var {XPCOMUtils} = ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");

XPCOMUtils.defineLazyGetter(this, "InlineSpellCheckerUI", function() {

  let tmp = {};

  ChromeUtils.import("resource://gre/modules/InlineSpellChecker.jsm", tmp);

  return new tmp.InlineSpellChecker();

});

// Overrides the main contentAreaContext onpopupshowing so needs to do

// everything that does plus call Composer specific code.

function editorContextPopupShowing(aNode)

  gContextMenu = new nsContextMenu(aNode);

  if (gContextMenu.shouldDisplay)

    var showExtra = top.document.commandDispatcher.focusedWindow == content;

    gContextMenu.initEditorItems(showExtra);

    return true;

  return false;

// Extends the main nsContextMenu for Composer.

nsContextMenu.prototype.initEditorItems = function (aShow)

  var isInLink = false;

  var objectName;

  var inSourceMode = IsInHTMLSourceMode();

  var showSpell = !inSourceMode && !IsInPreviewMode() &&

                  InlineSpellCheckerUI.canSpellCheck;

  this.showItem("spell-check-enabled", showSpell);

  this.showItem("spell-separator", showSpell);

  aShow = aShow && !inSourceMode;

  this.hideDisabledItem("menu_pasteNoFormatting_cm", aShow);

  // Only do this stuff when not in source mode or sidebar.

  if (aShow)

    // Setup object property command element.

    objectName = InitObjectPropertiesMenuitem();

    isInLink = objectName == "href";

    InitRemoveStylesMenuitems("removeStylesMenuitem_cm",

                              "removeLinksMenuitem_cm",

                              "removeNamedAnchorsMenuitem_cm");

    // Set appropriate text for join cells command.

    InitJoinCellMenuitem("joinTableCells_cm");

    // Update enable states for all table commands.

    goUpdateTableMenuItems(document.getElementById("composerTableMenuItems"));

    this.hideDisabledItem("context-undo", true);

    this.hideDisabledItem("context-redo", true);

    this.hideDisabledItem("context-cut", true);

    this.hideDisabledItem("context-copy", true);

    this.hideDisabledItem("context-paste", true);

    this.hideDisabledItem("context-delete", true);

    this.showItem("context-sep-undo",

                  this.shouldShowSeparator("context-sep-undo"));

    this.showItem("context-sep-paste",

                  this.shouldShowSeparator("context-sep-paste"));

  this.hideDisabledItem("objectProperties_cm", aShow);

  // Show "Create Link" if not in a link and not in source mode or sidebar.

  this.showItem("createLink_cm", aShow && !isInLink);

  // Show "Edit link in new Composer" if in a link and

  // not in source mode or sidebar.

  this.showItem("editLink_cm", aShow && isInLink);

  this.hideDisabledItem("removeStylesMenuitem_cm", aShow);

  this.hideDisabledItem("removeLinksMenuitem_cm", aShow);

  this.hideDisabledItem("removeNamedAnchorsMenuitem_cm", aShow);

  this.hideDisabledItem("joinTableCells_cm", aShow);

  this.hideDisabledItem("splitTableCell_cm", aShow);

  this.hideDisabledItem("tableOrCellColor_cm", aShow);

  var inCell = aShow && IsInTableCell();

  // Remove table submenus if not in table.

  this.showItem("tableInsertMenu_cm", inCell);

  this.showItem("tableSelectMenu_cm", inCell);

  this.showItem("tableDeleteMenu_cm", inCell);

  this.showItem("context-sep-selectall", aShow);

  this.showItem("context-sep-properites", aShow && !!objectName);

  this.showItem("frame-sep", aShow && IsInTable());

};

nsContextMenu.prototype.hideDisabledItem = function(aId, aShow)

  this.showItem(aId, aShow && IsItemOrCommandEnabled(aId));

};

function IsItemOrCommandEnabled(aId)

  var item = document.getElementById(aId);

  if (!item)

    return false;

  var command = item.getAttribute("command");

  if (command) {

    // If possible, query the command controller directly

    var controller = document.commandDispatcher

                             .getControllerForCommand(command);

    if (controller)

      return controller.isCommandEnabled(command);

  // Fall back on the inefficient observed disabled attribute

  return item.getAttribute("disabled") != "true";