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rfc add toc sidebar
// ==UserScript==
// @name rfc toc
// @namespace http://yurenchen.com/
// @version 0.4
// @description rfc add toc sidebar
// @author yurenchen
// @match https://tools.ietf.org/html/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
function appendScript(url,cb){
var e=document.createElement('script');
e.src=url;
e.onload=cb;
document.body.appendChild(e);
}
function appendCss(url){
var e=document.createElement('link');
e.rel="stylesheet";
e.href=url;
document.body.appendChild(e);
}
function appendTag(tag, prop){
var e=document.createElement(tag);
for(var k in prop){
if(typeof(k)=="string" )//&& typeof(prop[k])=="string")
e[k]=prop[k];
console.log(k,prop[k]);
}
document.body.appendChild(e);
return e;
}
//加载资源文件
/*
appendCss("http://note.yurenchen.com/usr/themes/chen/zTreeStyle.css");
appendScript("http://note.yurenchen.com/usr/themes/chen/jquery-1.4.4.min.js");
appendScript("http://note.yurenchen.com/usr/themes/chen/jquery.ztree.core-3.5.js");
appendScript("http://note.yurenchen.com/usr/themes/chen/ztree_toc.js");
*/
/*
appendCss("https://raw.githubusercontent.com/yurenchen000/i5ting_ztree_toc/master/css/zTreeStyle/zTreeStyle.css");
appendScript("https://raw.githubusercontent.com/yurenchen000/i5ting_ztree_toc/master/js/jquery-1.4.4.min.js");
appendScript("https://raw.githubusercontent.com/yurenchen000/i5ting_ztree_toc/master/js/jquery.ztree.core-3.5.js");
appendScript("https://raw.githubusercontent.com/yurenchen000/i5ting_ztree_toc/master/src/ztree_toc.js");
*/
/*
//cdn remove 'nosniff' and fix 'mime type' from https://raw.githack.com/
appendScript("https://rawcdn.githack.com/yurenchen000/i5ting_ztree_toc/master/js/jquery-1.4.4.min.js", load_cb1);
function load_cb1(){
appendScript("https://rawcdn.githack.com/yurenchen000/i5ting_ztree_toc/master/js/jquery.ztree.core-3.5.js", load_cb2);
}
function load_cb2(){
appendScript("https://rawcdn.githack.com/yurenchen000/i5ting_ztree_toc/master/src/ztree_toc.js", load_cb3);
}
function load_cb3(){
init_toc();
}
appendCss("https://rawcdn.githack.com/yurenchen000/i5ting_ztree_toc/master/css/zTreeStyle/zTreeStyle.css");
*/
/*
var url_jq ='https://rawcdn.githack.com/yurenchen000/i5ting_ztree_toc/master/js/jquery-1.4.4.min.js';
var url_ztree='https://rawcdn.githack.com/yurenchen000/i5ting_ztree_toc/master/js/jquery.ztree.core-3.5.js';
var url_toc ='https://rawcdn.githack.com/yurenchen000/i5ting_ztree_toc/master/src/ztree_toc.js';
var url_css ='https://rawcdn.githack.com/yurenchen000/i5ting_ztree_toc/master/css/zTreeStyle/zTreeStyle.css';
*/
//var domain = 'https://rawcdn.githack.com';
//var domain = 'https://cdn.rawgit.com';
var domain = 'https://rawgit.com';
var url_jq = domain+'/yurenchen000/i5ting_ztree_toc/master/js/jquery-1.4.4.min.js';
var url_ztree= domain+'/yurenchen000/i5ting_ztree_toc/master/js/jquery.ztree.core-3.5.js';
var url_toc = domain+'/yurenchen000/i5ting_ztree_toc/master/src/ztree_toc.js';
var url_css = domain+'/yurenchen000/i5ting_ztree_toc/master/css/zTreeStyle/zTreeStyle.css';
//cdn remove 'nosniff' and fix 'mime type' from https://raw.githack.com/
appendScript(url_jq, load_cb1);
function load_cb1(){
appendScript(url_ztree, load_cb2);
}
function load_cb2(){
appendScript(url_toc, load_cb3);
}
function load_cb3(){
init_toc();
}
appendTag('div', {id:'tree',innerHTML:' TOC loading... ', style:'position: fixed; top:0px; right:0px; border:1px solid gray; height:100%;'});
appendCss(url_css);
appendTag('style',{innerHTML:'#tree a:hover { text-decoration: underline; color: green;} #tree a {text-decoration: none;} #tree a.curSelectedNode {color: red; text-decoration: underline;}',onload:window.style_load_ok});
function style_load_ok(){
console.log('style_load_ok ...');
}
//生成目录树
function init_toc(){
//生成目录树
$('#tree').ztree_toc({
_header_nodes:[{ id:1, pId:0, name:"Table of Content",open:true, url:'#legend', target: "_self" }],
debug: false,
is_auto_number: false,
refresh_scroll_time: 10,
scroll_selector: window,
documment_selector:'div.content',
ztreeStyle: {
//width:'262px',
overflow: 'auto',
'z-index': 10
}
});
//滚动同步, 内容滚动时, TOC 当前章节 滚入视野
window.onscroll=function(){
//var top=document.body.scrollTop||window.scrollTop||window.scrollY||window.pageYoffset;
if(typeof debug_offset != 'undefined')document.title=[top, $(window).scrollTop()];
var o=$('#tree .curSelectedNode')[0];
if(o)o.scrollIntoViewIfNeeded();
//console.log('onscroll:'+[top, tree.style.position, $(window).scrollTop()]);
};
window.onscroll();
}
window.onload=function(){
adjust_spacer_height();
};
window.onresize=function(){
adjust_spacer_height();
};
function adjust_spacer_height(){
var last=$(':header:last')[0];
if(!last)return;
var lack_len = document.body.clientHeight- (document.body.offsetHeight - last.offsetTop) + 10;
spacer.style.height=lack_len+'px';
}
//阻止 TOC 滚动时 body 被滚动
//http://stackoverflow.com/questions/5802467/prevent-scrolling-of-parent-element
//http://stackoverflow.com/questions/4326845/how-can-i-determine-the-direction-of-a-jquery-scroll-event
var lastScrollTop = 0;
tree.onscroll=function(e){
e.stopPropagation();
e.preventDefault();
e.cancelBubble= true;
e.returnValue = false;
var scrollTop = $(this).scrollTop();
var pad=2;
if (scrollTop > lastScrollTop){//down
if(tree.scrollTop + tree.offsetHeight + 10 >= tree.scrollHeight)
tree.scrollTop=tree.scrollHeight - tree.offsetHeight - pad;
} else {//up
if(tree.scrollTop <= 10)
tree.scrollTop=pad;
}
lastScrollTop = scrollTop;
return false;
};
})();