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