gecko-dev/editor/ui/composer/content/EditorContextMenu.js
2004-04-18 14:21:17 +00:00

160 lines
5.3 KiB
JavaScript

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Charles Manske (cmanske@netscape.com)
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
function EditorFillContextMenu(event, contextMenuNode)
{
if ( event.target != contextMenuNode )
return;
// Setup object property menuitem
var objectName = InitObjectPropertiesMenuitem("objectProperties_cm");
var isInLink = objectName == "href";
// Special case of an image inside a link
if (objectName == "img")
try {
isInLink = GetCurrentEditor().getElementOrParentByTagName("href", GetObjectForProperties());
} catch (e) {}
InitRemoveStylesMenuitems("removeStylesMenuitem_cm", "removeLinksMenuitem_cm", "removeNamedAnchorsMenuitem_cm");
var inCell = IsInTableCell();
// Set appropriate text for join cells command
InitJoinCellMenuitem("joinTableCells_cm");
// Update enable states for all table commands
goUpdateTableMenuItems(document.getElementById("composerTableMenuItems"));
// Loop through all children to hide disabled items
var children = contextMenuNode.childNodes;
if (children)
{
var count = children.length;
for (var i = 0; i < count; i++)
HideDisabledItem(children[i]);
}
// The above loop will always show all separators and the next two items
// Hide "Create Link" if in a link
ShowMenuItem("createLink_cm", !isInLink);
// Hide "Edit link in new Composer" unless in a link
ShowMenuItem("editLink_cm", isInLink);
// Remove separators if all items in immediate group above are hidden
// A bit complicated to account if multiple groups are completely hidden!
var haveUndo =
IsMenuItemShowing("menu_undo_cm") ||
IsMenuItemShowing("menu_redo_cm");
var haveEdit =
IsMenuItemShowing("menu_cut_cm") ||
IsMenuItemShowing("menu_copy_cm") ||
IsMenuItemShowing("menu_paste_cm") ||
IsMenuItemShowing("menu_pasteNoFormatting_cm") ||
IsMenuItemShowing("menu_delete_cm");
var haveStyle =
IsMenuItemShowing("removeStylesMenuitem_cm") ||
IsMenuItemShowing("createLink_cm") ||
IsMenuItemShowing("removeLinksMenuitem_cm") ||
IsMenuItemShowing("removeNamedAnchorsMenuitem_cm");
var haveProps =
IsMenuItemShowing("objectProperties_cm");
ShowMenuItem("undoredo-separator", haveUndo && haveEdit);
ShowMenuItem("edit-separator", haveEdit || haveUndo);
// Note: Item "menu_selectAll_cm" and
// following separator are ALWAYS enabled,
// so there will always be 1 separator here
var showStyleSep = haveStyle && (haveProps || inCell);
ShowMenuItem("styles-separator", showStyleSep);
var showPropSep = (haveProps && inCell);
ShowMenuItem("property-separator", showPropSep);
// Remove table submenus if not in table
ShowMenuItem("tableInsertMenu_cm", inCell);
ShowMenuItem("tableSelectMenu_cm", inCell);
ShowMenuItem("tableDeleteMenu_cm", inCell);
}
function IsItemOrCommandEnabled( item )
{
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";
}
function HideDisabledItem( item )
{
item.hidden = !IsItemOrCommandEnabled(item);
}
function ShowMenuItem(id, showItem)
{
var item = document.getElementById(id);
if (item && !showItem)
{
item.hidden = true;
}
// else HideDisabledItem showed the item anyway
}
function IsMenuItemShowing(menuID)
{
var item = document.getElementById(menuID);
if (item)
return !item.hidden;
return false;
}