| /* 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/. |
| * |
| * This Source Code Form is "Incompatible With Secondary Licenses", as |
| * defined by the Mozilla Public License, v. 2.0. |
| */ |
| |
| /* This file provides JavaScript functions to be included when one wishes |
| * to show/hide certain UI elements, and have the state of them being |
| * shown/hidden stored in a cookie. |
| * |
| * TUI stands for Tweak UI. |
| * |
| * Requires js/util.js and the YUI Dom and Cookie libraries. |
| * |
| * See template/en/default/bug/create/create.html.tmpl for a usage example. |
| */ |
| |
| var TUI_HIDDEN_CLASS = 'bz_tui_hidden'; |
| var TUI_COOKIE_NAME = 'TUI'; |
| |
| var TUI_alternates = new Array(); |
| |
| /** |
| * Hides a particular class of elements if they are shown, |
| * or shows them if they are hidden. Then it stores whether that |
| * class is now hidden or shown. |
| * |
| * @param className The name of the CSS class to hide. |
| */ |
| function TUI_toggle_class(className) { |
| var elements = YAHOO.util.Dom.getElementsByClassName(className); |
| for (var i = 0; i < elements.length; i++) { |
| bz_toggleClass(elements[i], TUI_HIDDEN_CLASS); |
| } |
| _TUI_save_class_state(elements, className); |
| _TUI_toggle_control_link(className); |
| } |
| |
| |
| /** |
| * Specifies that a certain class of items should be hidden by default, |
| * if the user doesn't have a TUI cookie. |
| * |
| * @param className The class to hide by default. |
| */ |
| function TUI_hide_default(className) { |
| YAHOO.util.Event.onDOMReady(function () { |
| if (!YAHOO.util.Cookie.getSub('TUI', className)) { |
| TUI_toggle_class(className); |
| } |
| }); |
| } |
| |
| function _TUI_toggle_control_link(className) { |
| var link = document.getElementById(className + "_controller"); |
| if (!link) return; |
| var original_text = link.innerHTML; |
| link.innerHTML = TUI_alternates[className]; |
| TUI_alternates[className] = original_text; |
| } |
| |
| function _TUI_save_class_state(elements, aClass) { |
| // We just check the first element to see if it's hidden or not, and |
| // consider that all elements are the same. |
| if (YAHOO.util.Dom.hasClass(elements[0], TUI_HIDDEN_CLASS)) { |
| _TUI_store(aClass, 0); |
| } |
| else { |
| _TUI_store(aClass, 1); |
| } |
| } |
| |
| function _TUI_store(aClass, state) { |
| YAHOO.util.Cookie.setSub(TUI_COOKIE_NAME, aClass, state, |
| { |
| expires: new Date('January 1, 2038'), |
| path: BUGZILLA.param.cookie_path |
| }); |
| } |
| |
| function _TUI_restore() { |
| var yui_classes = YAHOO.util.Cookie.getSubs(TUI_COOKIE_NAME); |
| for (yui_item in yui_classes) { |
| if (yui_classes[yui_item] == 0) { |
| var elements = YAHOO.util.Dom.getElementsByClassName(yui_item); |
| for (var i = 0; i < elements.length; i++) { |
| YAHOO.util.Dom.addClass(elements[i], 'bz_tui_hidden'); |
| } |
| _TUI_toggle_control_link(yui_item); |
| } |
| } |
| } |
| |
| YAHOO.util.Event.onDOMReady(_TUI_restore); |