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/* 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);
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