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https://github.com/rn10950/RetroZilla.git
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728 lines
23 KiB
JavaScript
728 lines
23 KiB
JavaScript
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is The JavaScript Debugger.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Robert Ginda, <rginda@netscape.com>, original author
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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function MenuManager (commandManager, menuSpecs, contextFunction, commandStr)
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{
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var menuManager = this;
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this.commandManager = commandManager;
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this.menuSpecs = menuSpecs;
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this.contextFunction = contextFunction;
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this.commandStr = commandStr;
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this.repeatId = 0;
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this.onPopupShowing =
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function mmgr_onshow (event) { return menuManager.showPopup (event); };
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this.onPopupHiding =
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function mmgr_onhide (event) { return menuManager.hidePopup (event); };
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this.onMenuCommand =
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function mmgr_oncmd (event) { return menuManager.menuCommand (event); };
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}
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MenuManager.prototype.appendMenuItems =
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function mmgr_append(menuId, items)
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{
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for (var i = 0; i < items.length; ++i)
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client.menuSpecs[menuId].items.push(items[i]);
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}
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MenuManager.prototype.createContextMenus =
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function mmgr_initcxs (document)
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{
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for (var id in this.menuSpecs)
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{
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if (id.indexOf("context:") == 0)
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this.createContextMenu(document, id);
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}
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}
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MenuManager.prototype.createContextMenu =
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function mmgr_initcx (document, id)
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{
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if (!document.getElementById(id))
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{
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if (!ASSERT(id in this.menuSpecs, "unknown context menu " + id))
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return;
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var dp = document.getElementById("dynamic-popups");
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var popup = this.appendPopupMenu (dp, null, id, id);
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var items = this.menuSpecs[id].items;
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this.createMenuItems (popup, null, items);
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}
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}
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MenuManager.prototype.createMenus =
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function mmgr_createtb(document, menuid)
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{
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var menu = document.getElementById(menuid);
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for (id in this.menuSpecs)
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{
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var domID;
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if ("domID" in this.menuSpecs[id])
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domID = this.menuSpecs[id].domID;
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else
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domID = id;
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if (id.indexOf(menuid + ":") == 0)
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this.createMenu(menu, null, id, domID);
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}
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}
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MenuManager.prototype.createMainToolbar =
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function mmgr_createtb(document, id)
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{
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var toolbar = document.getElementById(id);
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var spec = client.menuSpecs[id];
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for (var i in spec.items)
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{
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this.appendToolbarItem (toolbar, null, spec.items[i]);
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}
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toolbar.className = "toolbar-primary chromeclass-toolbar";
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}
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/**
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* Internal use only.
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*
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* Registers event handlers on a given menu.
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*/
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MenuManager.prototype.hookPopup =
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function mmgr_hookpop (node)
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{
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node.addEventListener ("popupshowing", this.onPopupShowing, false);
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node.addEventListener ("popuphiding", this.onPopupHiding, false);
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}
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/**
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* Internal use only.
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*
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* |showPopup| is called from the "onpopupshowing" event of menus
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* managed by the CommandManager. If a command is disabled, represents a command
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* that cannot be "satisfied" by the current command context |cx|, or has an
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* "enabledif" attribute that eval()s to false, then the menuitem is disabled.
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* In addition "checkedif" and "visibleif" attributes are eval()d and
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* acted upon accordingly.
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*/
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MenuManager.prototype.showPopup =
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function mmgr_showpop (event)
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{
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/* returns true if the command context has the properties required to
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* execute the command associated with |menuitem|.
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*/
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function satisfied()
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{
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if (menuitem.hasAttribute("isSeparator") ||
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!menuitem.hasAttribute("commandname"))
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{
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return true;
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}
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if (menuitem.hasAttribute("repeatfor"))
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return false;
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if (!("menuManager" in cx))
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{
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dd ("no menuManager in cx");
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return false;
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}
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var name = menuitem.getAttribute("commandname");
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var commandManager = cx.menuManager.commandManager;
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var commands = commandManager.commands;
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if (!ASSERT (name in commands,
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"menu contains unknown command '" + name + "'"))
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{
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return false;
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}
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var rv = commandManager.isCommandSatisfied(cx, commands[name]);
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delete cx.parseError;
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return rv;
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};
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/* Convenience function for "enabledif", etc, attributes. */
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function has (prop)
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{
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return (prop in cx);
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};
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/* evals the attribute named |attr| on the node |node|. */
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function evalIfAttribute (node, attr)
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{
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var ex;
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var expr = node.getAttribute(attr);
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if (!expr)
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return true;
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expr = expr.replace (/\Wand\W/gi, " && ");
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expr = expr.replace (/\Wor\W/gi, " || ");
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try
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{
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return eval("(" + expr + ")");
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}
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catch (ex)
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{
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dd ("caught exception evaling '" + node.getAttribute("id") + "'.'" +
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attr + "': '" + expr + "'\n" + ex);
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}
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return true;
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};
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/* evals the attribute named |attr| on the node |node|. */
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function evalAttribute(node, attr)
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{
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var ex;
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var expr = node.getAttribute(attr);
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if (!expr)
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return null;
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try
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{
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return eval(expr);
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}
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catch (ex)
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{
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dd ("caught exception evaling '" + node.getAttribute("id") + "'.'" +
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attr + "': '" + expr + "'\n" + ex);
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}
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return null;
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};
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var cx;
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var popup = event.originalTarget;
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/* If the host provided a |contextFunction|, use it now. Remember the
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* return result as this.cx for use if something from this menu is actually
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* dispatched. this.cx is deleted in |hidePopup|. */
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if (typeof this.contextFunction == "function")
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{
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cx = this.cx = this.contextFunction (popup.getAttribute("menuName"),
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event);
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}
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else
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{
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cx = this.cx = { menuManager: this, originalEvent: event };
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}
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var menuitem = popup.firstChild;
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do
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{
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if (!menuitem.hasAttribute("repeatfor"))
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continue;
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// Remove auto-generated items (located prior to real item).
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while (menuitem.previousSibling &&
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menuitem.previousSibling.hasAttribute("repeatgenerated"))
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{
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menuitem.parentNode.removeChild(menuitem.previousSibling);
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}
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if (!("repeatList" in cx))
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cx.repeatList = new Object();
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// Get the array of new items to add.
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var ary = evalAttribute(menuitem, "repeatfor");
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if ((typeof ary != "object") || !(ary instanceof Array))
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ary = [];
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/* The item itself should only be shown if there's no items in the
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* array - this base item is always disabled.
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*/
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if (ary.length > 0)
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menuitem.setAttribute("hidden", "true");
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else
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menuitem.removeAttribute("hidden");
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// Save the array in the context object.
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cx.repeatList[menuitem.getAttribute("repeatid")] = ary;
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// Get the max. number of items we're allowed to show from |ary|.
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var limit = evalAttribute(menuitem, "repeatlimit");
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// Make sure we've got a number at all...
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if (typeof limit != "number")
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limit = ary.length;
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// ...and make sure it's no higher than |ary.length|.
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limit = Math.min(ary.length, limit);
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var cmd = menuitem.getAttribute("commandname");
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var props = { repeatgenerated: true, repeatindex: -1,
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repeatid: menuitem.getAttribute("repeatid"),
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repeatmap: menuitem.getAttribute("repeatmap") };
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/* Clone non-repeat attributes. All attributes except those starting
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* with 'repeat', and those matching 'hidden' or 'disabled' are saved
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* to |props|, which is then supplied to |appendMenuItem| later.
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*/
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for (var i = 0; i < menuitem.attributes.length; i++)
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{
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var name = menuitem.attributes[i].nodeName;
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if (!name.match(/^(repeat|(hidden|disabled)$)/))
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props[name] = menuitem.getAttribute(name);
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}
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for (i = 0; i < limit; i++)
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{
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props.repeatindex = i;
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this.appendMenuItem(popup, menuitem, cmd, props);
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}
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} while ((menuitem = menuitem.nextSibling));
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menuitem = popup.firstChild;
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do
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{
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if (menuitem.hasAttribute("repeatgenerated") &&
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menuitem.hasAttribute("repeatmap"))
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{
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cx.index = menuitem.getAttribute("repeatindex");
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ary = cx.repeatList[menuitem.getAttribute("repeatid")];
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var item = ary[cx.index];
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evalAttribute(menuitem, "repeatmap");
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}
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/* should it be visible? */
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if (menuitem.hasAttribute("visibleif"))
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{
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if (evalIfAttribute(menuitem, "visibleif"))
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menuitem.removeAttribute ("hidden");
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else
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{
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menuitem.setAttribute ("hidden", "true");
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continue;
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}
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}
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/* it's visible, maybe it has a dynamic label? */
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if (menuitem.hasAttribute("format"))
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{
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var label = replaceVars(menuitem.getAttribute("format"), cx);
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if (label.indexOf("\$") != -1)
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label = menuitem.getAttribute("backupLabel");
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menuitem.setAttribute("label", label);
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}
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/* ok, it's visible, maybe it should be disabled? */
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if (satisfied())
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{
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if (menuitem.hasAttribute("enabledif"))
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{
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if (evalIfAttribute(menuitem, "enabledif"))
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menuitem.removeAttribute ("disabled");
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else
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menuitem.setAttribute ("disabled", "true");
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}
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else
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menuitem.removeAttribute ("disabled");
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}
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else
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{
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menuitem.setAttribute ("disabled", "true");
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}
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/* should it have a check? */
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if (menuitem.hasAttribute("checkedif"))
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{
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if (evalIfAttribute(menuitem, "checkedif"))
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menuitem.setAttribute ("checked", "true");
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else
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menuitem.removeAttribute ("checked");
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}
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} while ((menuitem = menuitem.nextSibling));
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return true;
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}
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/**
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* Internal use only.
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*
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* |hidePopup| is called from the "onpopuphiding" event of menus
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* managed by the CommandManager. Nothing to do here anymore.
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* We used to just clean up this.cx, but that's a problem for nested
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* menus.
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*/
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MenuManager.prototype.hidePopup =
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function mmgr_hidepop (id)
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{
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return true;
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}
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MenuManager.prototype.menuCommand =
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function mmgr_menucmd(event)
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{
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/* evals the attribute named |attr| on the node |node|. */
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function evalAttribute(node, attr)
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{
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var ex;
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var expr = node.getAttribute(attr);
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if (!expr)
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return null;
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try
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{
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return eval(expr);
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}
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catch (ex)
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{
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dd ("caught exception evaling '" + node.getAttribute("id") + "'.'" +
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attr + "': '" + expr + "'\n" + ex);
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}
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return null;
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};
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var menuitem = event.originalTarget;
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var cx = this.cx;
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/* We need to re-run the repeat-map if the user has selected a special
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* repeat-generated menu item, so that the context object is correct.
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*/
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if (menuitem.hasAttribute("repeatgenerated") &&
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menuitem.hasAttribute("repeatmap"))
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{
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cx.index = menuitem.getAttribute("repeatindex");
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var ary = cx.repeatList[menuitem.getAttribute("repeatid")];
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var item = ary[cx.index];
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evalAttribute(menuitem, "repeatmap");
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}
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eval(this.commandStr);
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};
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/**
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* Appends a sub-menu to an existing menu.
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* @param parentNode DOM Node to insert into
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* @param beforeNode DOM Node already contained by parentNode, to insert before
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* @param id ID of the sub-menu to add.
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* @param label Text to use for this sub-menu. The & character can be
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* used to indicate the accesskey.
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* @param attribs Object containing CSS attributes to set on the element.
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*/
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MenuManager.prototype.appendSubMenu =
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function mmgr_addsmenu (parentNode, beforeNode, menuName, domId, label, attribs)
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{
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var document = parentNode.ownerDocument;
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/* sometimes the menu is already there, for overlay purposes. */
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var menu = document.getElementById(domId);
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if (!menu)
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{
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menu = document.createElement ("menu");
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menu.setAttribute ("id", domId);
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parentNode.insertBefore(menu, beforeNode);
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}
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var menupopup = menu.firstChild;
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if (!menupopup)
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{
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menupopup = document.createElement ("menupopup");
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menupopup.setAttribute ("id", domId + "-popup");
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menu.appendChild(menupopup);
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menupopup = menu.firstChild;
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}
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menupopup.setAttribute ("menuName", menuName);
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menu.setAttribute ("accesskey", getAccessKey(label));
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label = label.replace("&", "");
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menu.setAttribute ("label", label);
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menu.setAttribute ("isSeparator", true);
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if (typeof attribs == "object")
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{
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for (var p in attribs)
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menu.setAttribute (p, attribs[p]);
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}
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this.hookPopup (menupopup);
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return menupopup;
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}
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/**
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* Appends a popup to an existing popupset.
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* @param parentNode DOM Node to insert into
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* @param beforeNode DOM Node already contained by parentNode, to insert before
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* @param id ID of the popup to add.
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* @param label Text to use for this popup. Popup menus don't normally have
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* labels, but we set a "label" attribute anyway, in case
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* the host wants it for some reason. Any "&" characters will
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* be stripped.
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* @param attribs Object containing CSS attributes to set on the element.
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*/
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MenuManager.prototype.appendPopupMenu =
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function mmgr_addpmenu (parentNode, beforeNode, menuName, id, label, attribs)
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{
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var document = parentNode.ownerDocument;
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var popup = document.createElement ("popup");
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popup.setAttribute ("id", id);
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if (label)
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popup.setAttribute ("label", label.replace("&", ""));
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if (typeof attribs == "object")
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{
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for (var p in attribs)
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popup.setAttribute (p, attribs[p]);
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}
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popup.setAttribute ("menuName", menuName);
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parentNode.insertBefore(popup, beforeNode);
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this.hookPopup (popup);
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return popup;
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}
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/**
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* Appends a menuitem to an existing menu or popup.
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* @param parentNode DOM Node to insert into
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* @param beforeNode DOM Node already contained by parentNode, to insert before
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* @param command A reference to the CommandRecord this menu item will represent.
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* @param attribs Object containing CSS attributes to set on the element.
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*/
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MenuManager.prototype.appendMenuItem =
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function mmgr_addmenu (parentNode, beforeNode, commandName, attribs)
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{
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var menuManager = this;
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var document = parentNode.ownerDocument;
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if (commandName == "-")
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return this.appendMenuSeparator(parentNode, beforeNode, attribs);
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var parentId = parentNode.getAttribute("id");
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if (!ASSERT(commandName in this.commandManager.commands,
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"unknown command " + commandName + " targeted for " +
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parentId))
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{
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return null;
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}
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var command = this.commandManager.commands[commandName];
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var menuitem = document.createElement ("menuitem");
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menuitem.setAttribute ("id", parentId + ":" + commandName);
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|
menuitem.setAttribute ("commandname", command.name);
|
|
menuitem.setAttribute ("key", "key:" + command.name);
|
|
menuitem.setAttribute ("accesskey", getAccessKey(command.label));
|
|
var label = command.label.replace("&", "");
|
|
menuitem.setAttribute ("label", label);
|
|
if (command.format)
|
|
{
|
|
menuitem.setAttribute("format", command.format);
|
|
menuitem.setAttribute("backupLabel", label);
|
|
}
|
|
|
|
if ((typeof attribs == "object") && attribs)
|
|
{
|
|
for (var p in attribs)
|
|
menuitem.setAttribute (p, attribs[p]);
|
|
if ("repeatfor" in attribs)
|
|
menuitem.setAttribute("repeatid", this.repeatId++);
|
|
}
|
|
|
|
command.uiElements.push(menuitem);
|
|
parentNode.insertBefore (menuitem, beforeNode);
|
|
/* It seems, bob only knows why, that this must be done AFTER the node is
|
|
* added to the document.
|
|
*/
|
|
menuitem.addEventListener("command", this.onMenuCommand, false);
|
|
|
|
return menuitem;
|
|
}
|
|
|
|
/**
|
|
* Appends a menuseparator to an existing menu or popup.
|
|
* @param parentNode DOM Node to insert into
|
|
* @param beforeNode DOM Node already contained by parentNode, to insert before
|
|
* @param attribs Object containing CSS attributes to set on the element.
|
|
*/
|
|
MenuManager.prototype.appendMenuSeparator =
|
|
function mmgr_addsep (parentNode, beforeNode, attribs)
|
|
{
|
|
var document = parentNode.ownerDocument;
|
|
var menuitem = document.createElement ("menuseparator");
|
|
menuitem.setAttribute ("isSeparator", true);
|
|
if (typeof attribs == "object")
|
|
{
|
|
for (var p in attribs)
|
|
menuitem.setAttribute (p, attribs[p]);
|
|
}
|
|
parentNode.insertBefore (menuitem, beforeNode);
|
|
|
|
return menuitem;
|
|
}
|
|
|
|
/**
|
|
* Appends a toolbaritem to an existing box element.
|
|
* @param parentNode DOM Node to insert into
|
|
* @param beforeNode DOM Node already contained by parentNode, to insert before
|
|
* @param command A reference to the CommandRecord this toolbaritem will
|
|
* represent.
|
|
* @param attribs Object containing CSS attributes to set on the element.
|
|
*/
|
|
MenuManager.prototype.appendToolbarItem =
|
|
function mmgr_addtb (parentNode, beforeNode, commandName, attribs)
|
|
{
|
|
if (commandName == "-")
|
|
return this.appendToolbarSeparator(parentNode, beforeNode, attribs);
|
|
|
|
var parentId = parentNode.getAttribute("id");
|
|
|
|
if (!ASSERT(commandName in this.commandManager.commands,
|
|
"unknown command " + commandName + " targeted for " +
|
|
parentId))
|
|
{
|
|
return null;
|
|
}
|
|
|
|
var command = this.commandManager.commands[commandName];
|
|
var document = parentNode.ownerDocument;
|
|
var tbitem = document.createElement ("toolbarbutton");
|
|
|
|
var id = parentNode.getAttribute("id") + ":" + commandName;
|
|
tbitem.setAttribute ("id", id);
|
|
tbitem.setAttribute ("class", "toolbarbutton-1");
|
|
if (command.tip)
|
|
tbitem.setAttribute ("tooltiptext", command.tip);
|
|
tbitem.setAttribute ("label", command.label.replace("&", ""));
|
|
tbitem.setAttribute ("oncommand",
|
|
"dispatch('" + commandName + "');");
|
|
if (typeof attribs == "object")
|
|
{
|
|
for (var p in attribs)
|
|
tbitem.setAttribute (p, attribs[p]);
|
|
}
|
|
|
|
command.uiElements.push(tbitem);
|
|
parentNode.insertBefore (tbitem, beforeNode);
|
|
|
|
return tbitem;
|
|
}
|
|
|
|
/**
|
|
* Appends a toolbarseparator to an existing box.
|
|
* @param parentNode DOM Node to insert into
|
|
* @param beforeNode DOM Node already contained by parentNode, to insert before
|
|
* @param attribs Object containing CSS attributes to set on the element.
|
|
*/
|
|
MenuManager.prototype.appendToolbarSeparator =
|
|
function mmgr_addmenu (parentNode, beforeNode, attribs)
|
|
{
|
|
var document = parentNode.ownerDocument;
|
|
var tbitem = document.createElement ("toolbarseparator");
|
|
tbitem.setAttribute ("isSeparator", true);
|
|
if (typeof attribs == "object")
|
|
{
|
|
for (var p in attribs)
|
|
tbitem.setAttribute (p, attribs[p]);
|
|
}
|
|
parentNode.appendChild (tbitem);
|
|
|
|
return tbitem;
|
|
}
|
|
|
|
/**
|
|
* Creates menu DOM nodes from a menu specification.
|
|
* @param parentNode DOM Node to insert into
|
|
* @param beforeNode DOM Node already contained by parentNode, to insert before
|
|
* @param menuSpec array of menu items
|
|
*/
|
|
MenuManager.prototype.createMenu =
|
|
function mmgr_newmenu (parentNode, beforeNode, menuName, domId, attribs)
|
|
{
|
|
if (typeof domId == "undefined")
|
|
domId = menuName;
|
|
|
|
if (!ASSERT(menuName in this.menuSpecs, "unknown menu name " + menuName))
|
|
return null;
|
|
|
|
var menuSpec = this.menuSpecs[menuName];
|
|
|
|
var subMenu = this.appendSubMenu (parentNode, beforeNode, menuName, domId,
|
|
menuSpec.label, attribs);
|
|
|
|
this.createMenuItems (subMenu, null, menuSpec.items);
|
|
return subMenu;
|
|
}
|
|
|
|
MenuManager.prototype.createMenuItems =
|
|
function mmgr_newitems (parentNode, beforeNode, menuItems)
|
|
{
|
|
function itemAttribs()
|
|
{
|
|
return (1 in menuItems[i]) ? menuItems[i][1] : null;
|
|
};
|
|
|
|
var parentId = parentNode.getAttribute("id");
|
|
|
|
for (var i in menuItems)
|
|
{
|
|
var itemName = menuItems[i][0];
|
|
if (itemName[0] == ">")
|
|
{
|
|
itemName = itemName.substr(1);
|
|
if (!ASSERT(itemName in this.menuSpecs,
|
|
"unknown submenu " + itemName + " referenced in " +
|
|
parentId))
|
|
{
|
|
continue;
|
|
}
|
|
this.createMenu (parentNode, beforeNode, itemName,
|
|
parentId + ":" + itemName, itemAttribs());
|
|
}
|
|
else if (itemName in this.commandManager.commands)
|
|
{
|
|
this.appendMenuItem (parentNode, beforeNode, itemName,
|
|
itemAttribs());
|
|
}
|
|
else if (itemName == "-")
|
|
{
|
|
this.appendMenuSeparator (parentNode, beforeNode, itemAttribs());
|
|
}
|
|
else
|
|
{
|
|
dd ("unknown command " + itemName + " referenced in " + parentId);
|
|
}
|
|
}
|
|
|
|
}
|