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