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/* 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 the Bugzilla Bug Tracking System.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s): Dennis Melentyev <dennis.melentyev@infopulse.com.ua>
* Max Kanat-Alexander <mkanat@bugzilla.org>
*/
/* 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);
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