forked from leftypol/leftypol
Split post menu into own function
This commit is contained in:
marktaiwan
czaks
parent
e3dbca5616
commit
af91ddf637
2 changed files with 334 additions and 193 deletions
209
js/post-menu.js
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209
js/post-menu.js
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/*
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* post-menu.js - adds dropdown menu to posts
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*
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* Creates a global Menu object with four public methods:
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*
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* Menu.onclick(fnc)
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* registers a function to be executed after button click, before the menu is displayed
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* Menu.add_item(id, text[, title])
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* adds an item to the top level of menu
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* Menu.add_submenu(id, text)
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* creates and returns a List object through which to manipulate the content of the submenu
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* Menu.get_submenu(id)
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* returns the submenu with the specified id from the top level menu
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*
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* The List object contains all the methods from Menu except onclick()
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*
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* Example usage:
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* Menu.add_item('filter-menu-hide', 'Hide post');
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* Menu.add_item('filter-menu-unhide', 'Unhide post');
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*
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* submenu = Menu.add_submenu('filter-menu-add', 'Add filter');
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* submenu.add_item('filter-add-post-plus', 'Post +', 'Hide post and all replies');
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* submenu.add_item('filter-add-id', 'ID');
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*
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* Usage:
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* $config['additional_javascript'][] = 'js/jquery.min.js';
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* $config['additional_javascript'][] = 'js/post-menu.js';
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*/
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(function () {
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var List = function (menuId, text) {
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this.id = menuId;
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this.text = text;
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this.items = [];
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this.add_item = function (itemId, text, title) {
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this.items.push(new Item(itemId, text, title));
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};
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this.list_items = function () {
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var array = [];
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var i, length, obj, $ele;
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if ($.isEmptyObject(this.items))
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return;
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length = this.items.length;
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for (i = 0; i < length; i++) {
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obj = this.items[i];
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$ele = $('<li>', {id: obj.id}).text(obj.text);
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if ('title' in obj) $ele.attr('title', obj.title);
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if (obj instanceof Item) {
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$ele.addClass('post-item');
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} else {
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$ele.addClass('post-submenu');
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$ele.prepend(obj.list_items());
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$ele.append($('<span>', {class: 'post-menu-arrow'}).text('»'));
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}
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array.push($ele);
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}
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return $('<ul>').append(array);
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};
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this.add_submenu = function (menuId, text) {
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var ele = new List(menuId, text);
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this.items.push(ele);
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return ele;
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};
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this.get_submenu = function (menuId) {
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for (var i = 0; i < this.items.length; i++) {
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if ((this.items[i] instanceof Item) || this.items[i].id != menuId) continue;
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return this.items[i];
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}
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};
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};
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var Item = function (itemId, text, title) {
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this.id = itemId;
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this.text = text;
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// optional
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if (typeof title != 'undefined') this.title = title;
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};
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function buildMenu(e) {
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var pos = $(e.target).offset();
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var i, length;
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var $menu = $('<div class="post-menu"></div>').append(mainMenu.list_items());
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// execute registered click handlers
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length = onclick_callbacks.length;
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for (i = 0; i < length; i++) {
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onclick_callbacks[i](e, $menu);
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}
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// set menu position and append to page
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$menu.css({top: pos.top, left: pos.left + 20});
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$('body').append($menu);
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}
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function addButton(post) {
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var $ele = $(post);
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$ele.find('input.delete').after(
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$('<a>', {href: '#', class: 'post-btn', title: 'Post menu'}).text('▶')
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);
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}
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/* * * * * * * * * *
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Public methods
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* * * * * * * * * */
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var Menu = {};
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var mainMenu = new List();
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var onclick_callbacks = [];
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Menu.onclick = function (fnc) {
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onclick_callbacks.push(fnc);
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};
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Menu.add_item = function (itemId, text, title) {
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mainMenu.add_item(itemId, text, title);
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};
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Menu.add_submenu = function (menuId, text) {
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return mainMenu.add_submenu(menuId, text);
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};
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Menu.get_submenu = function (id) {
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return mainMenu.get_submenu(id);
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};
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/* * * * * * * *
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Initialize
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* * * * * * * */
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/* Styling
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*/
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var $ele, cssStyle, cssString;
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$ele = $('<div>').addClass('post reply').hide().appendTo('body');
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cssStyle = $ele.css(['border-top-color']);
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cssStyle.hoverBg = $('body').css('background-color');
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$ele.remove();
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cssString =
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'\n/*** Generated by post-menu ***/\n' +
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'.post-menu {position: absolute; font-size: 12px; line-height: 1.3em;}\n' +
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'.post-menu ul {\n' +
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' background-color: '+ cssStyle['border-top-color'] +'; border: 1px solid #666;\n' +
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' list-style: none; padding: 0; margin: 0; white-space: nowrap;\n}\n' +
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'.post-menu .post-submenu{white-space: normal; width: 90px;}' +
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'.post-menu .post-submenu>ul{white-space: nowrap; width: auto;}' +
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'.post-menu li {cursor: pointer; position: relative; padding: 4px 4px; vertical-align: middle;}\n' +
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'.post-menu li:hover {background-color: '+ cssStyle.hoverBg +';}\n' +
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'.post-menu ul ul {display: none; position: absolute;}\n' +
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'.post-menu li:hover>ul {display: block; left: 100%; margin-top: -3px;}\n' +
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'.post-menu-arrow {float: right; margin-left: 10px;}\n' +
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'.post-menu.hidden, .post-menu .hidden {display: none;}\n' +
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'.post-btn {transition: transform 0.1s; width: 15px; text-align: center; font-size: 10pt; opacity: 0.8; text-decoration: none; margin: -6px 0px 0px -5px !important; display: inline-block;}\n' +
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'.post-btn:hover {opacity: 1;}\n' +
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'.post-btn-open {transform: rotate(90deg);}\n';
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if (!$('style.generated-css').length) $('<style class="generated-css">').appendTo('head');
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$('style.generated-css').html($('style.generated-css').html() + cssString);
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/* Add buttons
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*/
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$('.reply:not(.hidden), .thread>.op').each(function () {
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addButton(this);
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});
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/* event handlers
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*/
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$('form[name=postcontrols]').on('click', '.post-btn', function (e) {
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e.preventDefault();
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var post = e.target.parentElement.parentElement;
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$('.post-menu').remove();
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if ($(e.target).hasClass('post-btn-open')) {
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$('.post-btn-open').removeClass('post-btn-open');
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} else {
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// close previous button
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$('.post-btn-open').removeClass('post-btn-open');
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$(post).find('.post-btn').addClass('post-btn-open');
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buildMenu(e);
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}
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});
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$(document).on('click', function (e){
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if ($(e.target).hasClass('post-btn') || $(e.target).hasClass('post-submenu'))
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return;
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$('.post-menu').remove();
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$('.post-btn-open').removeClass('post-btn-open');
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});
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// on new posts
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$(document).on('new_post', function (e, post) {
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addButton(post);
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});
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window.Menu = Menu;
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})();
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