W3Schools +

W3Schools with more freedom

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==UserScript==
// @name         W3Schools +
// @namespace    https://greasyfork.org/users/37096/
// @homepage     https://greasyfork.org/scripts/33021/
// @supportURL   https://greasyfork.org/scripts/33021/feedback
// @version      1.1.4
// @description  W3Schools with more freedom
// @author       Hồng Minh Tâm
// @match        https://www.w3schools.com/*/*.asp
// @match        https://www.w3schools.com/*/*.asp*
// @icon         https://www.w3schools.com/favicon.ico
// @require      https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js
// @require      https://greasyfork.org/scripts/30368-highlight-words-jquery-library/code/Highlight%20Words%20Jquery%20Library.js?version=199098
// @compatible   chrome
// @compatible   firefox
// @compatible   opera
// @license      GNU GPLv3
// @grant        GM_addStyle
// ==/UserScript==
 
(function() {
    'use strict';
 
    GM_addStyle([
        '@import "https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css";',
        '#list-title-children { background-color: #dbefdc; }',
        '#list-title-children a { padding-left: 30px; }',
        '#list-title-children a.active { color: #000000; background-color: #b7dfb8; }',
        '#leftmenuinner { display: -webkit-box; display: -moz-box; display: -webkit-flex; display: flex; -webkit-box-orient: vertical; -moz-box-orient: vertical; -webkit-flex-direction: column; flex-direction: column; }',
        '#input-filter { width: 100%; padding: 5px 1px 5px 14px; color: #000; background-color: #fff; border: 1px solid #ccc; }',
        '#leftmenuinnerinner { overflow-y: auto; }',
        'input#input-filter::-webkit-input-placeholder { font-family: Arial, Helvetica, sans-serif, FontAwesome; }',
        'input#input-filter::-moz-placeholder { font-family: Verdana, sans-serif, FontAwesome; }',
        'input#input-filter::-ms-input-placeholder { font-family:  Verdana, sans-serif, FontAwesome; }',
        'input#input-filter:not(:placeholder-shown) { background-color: #FFFF88; }',
        'input#input-filter[type="search"]::-webkit-search-cancel-button { -webkit-appearance: searchfield-cancel-button; }',
        '.highlight { background-color: #FFFF88; color: #000; }',
    ].join('\n'));
 
    var $main = $('#main');
    var $leftmenuinner = $('#leftmenuinner');
    var $leftmenuinnerinner = $('#leftmenuinnerinner');
    var $titleParent = $leftmenuinnerinner.find('a[target = "_top"].active:eq(0)');
 
    var $listTitleChild = $('<div/>', {
        id: 'list-title-children'
    }).insertAfter($titleParent);
 
    var $iconTitleParent = $('<i/>', {
        class: 'fa fa-caret-up'
    });
    $titleParent.append(' ').append($iconTitleParent);
    $titleParent.click(function(e) {
        $listTitleChild.slideToggle();
        $iconTitleParent.toggleClass('fa-caret-down fa-caret-up');
        return false;
    });
 
    var index = 0;
    $main.children('h2').each(function() {
        if($(this).prop('tagName') === "H1" || $(this).prop('tagName') === "H2") {
            var idTitleChildren = 'title-'+ (++index);
            $(this).attr({
                'data-id': idTitleChildren,
                class: 'title-children-section'
            });
            var $titleChildren = $('<a/>', {
                href: '#'+idTitleChildren,
                class: 'item-title-children'
            }).text($(this).text()).appendTo($listTitleChild);
        }
    });
 
    var $titleChildrens = $('.item-title-children');
    var $titleChildrenSections = $('.title-children-section');
 
    $titleChildrens.click(function(e) {
        e.preventDefault();
        $(document).off('scroll');
        $titleChildrens.removeClass('active');
        $(this).addClass('active');
 
        var target = this.hash.replace('#', ''),
            $target = $('h2[data-id="'+target+'"]');
 
        $('html, body').stop().animate({
            'scrollTop': $target.offset().top - $('#topnav').height() - 5
        }, 300, 'swing', function() {
            window.location.hash = target;
            $(document).on('scroll', onScroll);
        });
    });
 
    $(document).on('scroll', onScroll);
    if(window.location.hash) {
        $titleChildrens.filter('[href^="'+window.location.hash+'"]').click();
    }
    function onScroll(e) {
        var scrollPosition = $(document).scrollTop() + $('#topnav').height() + 10;
        $titleChildrenSections.each(function(index, element) {
            var $next = $titleChildrenSections.eq(index + 1);
            var target = $(this).data('id');
            if($(this).position().top < scrollPosition && ($next.position()?$next.position().top:($main.position().top+$main.height())) - 10 > scrollPosition) {
                $titleChildrens.removeClass('active');
                $titleChildrens.filter('[href^="#'+target+'"]').addClass('active');
                window.location.hash = target;
            } else {
                $titleChildrens.filter('[href^="#'+target+'"]').removeClass('active');
            }
        });
    }
 
    var $inputFilter = $('<input/>', {
        type: 'search',
        id: 'input-filter',
        placeholder: $('<div/>').html('&#xf0b0; Filter').html()
    }).prependTo($leftmenuinner);
    $inputFilter.on('input', function(e) {
        var filterValue = $(this).val().toLowerCase();
        $leftmenuinnerinner.find('a[target = "_top"]').each(function(index, item) {
            $(item).unhighlight().highlight(filterValue);
            if($(item).text().toLowerCase().indexOf(filterValue) > -1) {
                $(item).show();
            } else {
                $(item).hide();
            }
        });
        $titleChildrens.each(function(index, item) {
            $(item).unhighlight().highlight(filterValue);
            if($(item).text().toLowerCase().indexOf(filterValue) > -1) {
                $(item).show();
                $titleParent.show();
            } else {
                $(item).hide();
            }
        });
        $leftmenuinnerinner.find('h2').each(function(index, item) {
            if($(item).nextUntil('br').filter(':visible:not(#list-title-children)').size()) {
                $(item).show();
                $(item).nextAll('br:eq(0)').show();
            } else {
                $(item).hide();
                $(item).nextAll('br:eq(0)').hide();
            }
        });
    });
})();