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Add button for Smooth Scroll to the top / bottom

为页面添加按钮，平滑的滚动到顶部/底部

当前为 2015-06-09 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name	Add button for Smooth Scroll to the top / bottom
  3. // @author	burningall
  4. // @description	为页面添加按钮，平滑的滚动到顶部/底部
  5. // @version     2015.6.9.1
  6. // @include		*
  7. // @grant       GM_addStyle
  8. // @grant       GM_getValue
  9. // @grant       GM_setValue
  10. // @grant		GM_listValues
  11. // @grant		GM_deleteValue
  12. // @supportURL		http://www.burningall.com
  13. // @contributionURL	troy450409405@gmail.com|alipay.com
  14. // @namespace https://greasyfork.org/zh-CN/users/3400-axetroy
  15. // ==/UserScript==
  16.  
  17. (function(){
  18. function checkList(){
  19. 	if( GM_getValue(window.top.location.host,'不在黑名单中')==window.top.location.host ){//如果该页面在黑名单中，则不执行
  20. 		console.log('该域名在黑名单中');
  21. 		return true;
  22. 	};
  23. };
  24. var d1=new Date().getTime()
  25. //================公共函数区============
  26. function addEvent(obj, event, fn) {return obj.addEventListener ? obj.addEventListener(event, fn, false) : obj.attachEventListener("on" + event, fn);};
  27. function getSize(obj) {return document.documentElement[obj]!=0 ? document.documentElement[obj]: document.body[obj];}
  28. function hasScroll() {return getSize('scrollHeight') > getSize('clientHeight') ? true : false;};
  29. function $(id) {return document.getElementById(id);}
  30. function getStyle(obj, attr) {return obj.currentStyle ? obj.currentStyle[attr] : getComputedStyle(obj)[attr];}
  31. function doMove(obj, attr, dir, target, endFn) {
  32. 	dir = parseInt(getStyle(obj, attr)) < target ? dir: -dir;
  33. 	clearInterval(obj.timer);
  34. 	obj.timer = setInterval(function() {
  35. 		var speed = parseInt(getStyle(obj, attr)) + dir;
  36. 		if (speed > target && dir > 0 || speed < target && dir < 0) {
  37. 			speed = target;
  38. 		};
  39. 		obj.style[attr] = speed + "px";
  40. 		if (speed == target) {
  41. 			clearInterval(obj.timer);
  42. 			endFn && endFn();
  43. 		};
  44. 	},
  45. 	30);
  46. };
  47. //================样式区============
  48. var cssText='\
  49. #scrollMars-troy{\
  50. 	position:fixed;\
  51. 	right:30px;\
  52. 	z-index:9999999;\
  53. }\
  54. \
  55. #scrollMars-troy>div>div{\
  56. 	width:40px !important;\
  57. 	height:40px !important;\
  58. 	text-align:center !important;\
  59. 	padding:5px !important;\
  60. 	background:#303030 !important;\
  61. 	color:#fff !important;\
  62. 	display:block !important;\
  63. 	opacity:0.8 !important;\
  64. 	fitter:alpha(opacity:80) !important;\
  65. 	cursor:pointer !important;\
  66. 	border-radius:50% !important;\
  67. 	box-shadow:2px 2px 40px 2px #303030 !important;\
  68. 	line-height:40px !important;\
  69. 	font-size:35px !important;\
  70. 	font-style:inherit !important;\
  71. 	font-weight:bold !important;\
  72. 	font-family:"宋体" !important;\
  73. }\
  74. #scrollMars-troy>div>div:hover{\
  75. 	background:#FF0000 !important;\
  76. }\
  77. #mars-point{\
  78. 	width:100px !important;\
  79. 	height:100px !important;\
  80. 	position:absolute !important;\
  81. 	top:0 !important;\
  82. 	left:-40px !important;\
  83. }\
  84. #setting-troy{\
  85. 	width: 300px !important;\
  86. 	height: auto !important;\
  87. 	border: 2px solid #303030 !important;\
  88. 	position: fixed !important;\
  89. 	top: 200px !important;\
  90. 	left: 33% !important;\
  91. 	color: #fff !important;\
  92. 	background: #303030 !important;\
  93. 	index:9999999999 !important;\
  94. }\
  95. #setting-troy>div{\
  96. 	margin: 20px !important;\
  97. }\
  98. #setting-troy>div input{\
  99. 	color:#fff !important;\
  100. 	background:#303030 !important;\
  101. 	padding:5px !important;\
  102. 	margin:5px !important;\
  103. }\
  104. '
  105. GM_addStyle(cssText);
  106. //================主要代码区============
  107. var turn;//用于控制是否双击滚动的开关
  108. function readmode(speed,inteval){
  109. 	if( GM_getValue(turn)==false ){
  110. 		return;
  111. 	}
  112. 	clearInterval(document.readMode)
  113. 	document.readMode=setInterval(function(){
  114. 		var position=getSize('scrollTop')+speed
  115. 		document.body.scrollTop = document.documentElement.scrollTop = position;
  116. 		if (position + getSize('clientHeight') >= getSize('scrollHeight')) {//如果滚到底部
  117. 			clearInterval(document.readMode);
  118. 		}
  119. 	},inteval)
  120. 	GM_setValue(turn,true);
  121. }
  122. function moveMars(obj,index){
  123. 	if(index=='mouseout'){
  124. 		clearTimeout(obj.timerHover);
  125. 		obj.timerHover = setTimeout(function() {
  126. 			doMove(obj, "right", 5, -30);
  127. 		},
  128. 		3000);//鼠标离开后，3s隐藏到边栏	
  129. 		}else if(index=='mouseover'){
  130. 			clearTimeout(obj.timerHover);
  131. 			doMove(obj, "right", 5, 30);
  132. 		}
  133. }
  134. function scroll(obj,dir){//obj随意，dir>0往上滚，dir<0往下滚
  135. 	clearInterval(obj.timerScroll);
  136. 	clearInterval(document.readMode);
  137. 	obj.timerScroll=setInterval(function(){
  138. 		var position;
  139. 		if(dir>0){//往上滚动
  140. 			var speed = (getSize('scrollTop') / 10) + 10;
  141. 			position = getSize('scrollTop') - speed;
  142. 			if (position <= 0) {//如果滚到顶部
  143. 				document.body.scrollTop = document.documentElement.scrollTop = 0;
  144. 				clearInterval(obj.timerScroll);
  145. 			}
  146. 		}else{//往下滚动
  147. 			var speed = ((getSize('scrollHeight')-getSize('scrollTop')) / 20) + 10;
  148. 			position = getSize('scrollTop') + speed;
  149. 			if (position + getSize('clientHeight') >= getSize('scrollHeight')) {//如果滚到底部
  150. 				document.body.scrollTop = document.documentElement.scrollTop = getSize('scrollHeight');
  151. 				clearInterval(obj.timerScroll);
  152. 			}
  153. 		}
  154. 		document.body.scrollTop = document.documentElement.scrollTop = position;		
  155. 	},20)
  156. }
  157.  
  158. function createBtn(){
  159. 	if(checkList()==true){
  160. 		return false;
  161. 	}
  162. 	var jugg=$("scrollMars-troy");
  163. 	if(jugg && hasScroll() == true){//如果有滚动条,并且存在滚动按钮
  164. 		$('scrollMars-troy').style.top=(getSize('clientHeight')/3)+'px';//调整按钮位置
  165. 	}else if(jugg && hasScroll() == false){//如果没有滚动条，但是有按钮
  166. 		jugg.remove(jugg);//删除按钮
  167. 	};
  168. 	if (hasScroll() == false && !jugg) {//如果没有滚动条,并且没有按钮
  169. 		return false;
  170. 	}else if(hasScroll() == true && !jugg){//如果有滚动条，并且没有按钮
  171. 		var mars=document.createElement('div');
  172. 		mars.id="scrollMars-troy";
  173. 		window.top.document.documentElement.appendChild(mars);
  174. 		mars.innerHTML = "<div id='mars-point'></div><div><div id='goTop-troy' title='返回顶部'></div><div id='goBtn-troy' title='去到底部'></div></div>";
  175. 		$('scrollMars-troy').style.top=(getSize('clientHeight')/3)+'px';
  176. 		$("goTop-troy").innerHTML = "↑";
  177. 		$("goBtn-troy").innerHTML = "↓";
  178. 		addEvent($("goTop-troy"), "click",function() {scroll(mars,1)});
  179. 		addEvent($("goBtn-troy"), "click",function() {scroll(mars,-1)});
  180. 		addEvent($("mars-point"), "mouseover",function() {moveMars(mars,"mouseover")});
  181. 		addEvent($("mars-point"), "mouseout",function() {moveMars(mars,"mouseout")});
  182. 		addEvent(mars, "mouseover",function() {moveMars(mars,"mouseover")});
  183. 		addEvent(window, "resize",function() {$('scrollMars-troy').style.top=(getSize('clientHeight')/3)+'px';});
  184. 		moveMars(mars,"mouseout");//页面加载完成，默认3s后隐藏到边栏
  185. 	};
  186. };
  187. /*
  188. //清除GM脚本保存的所有变量;，调试时用，请不要开启
  189. function clearallGM_value(){
  190. 	for(var i=0;i<GM_listValues().length;i++){
  191. 		console.log('变量：'+GM_listValues()[i]+'被删除');
  192. 		GM_deleteValue( GM_listValues()[i] );
  193. 	};
  194. }
  195. clearallGM_value()
  196. */
  197. //================执行区============
  198. addEvent(window,'mousewheel',function(){//滚动则停止，兼容chrome/ie/opera
  199. 	clearInterval($('scrollMars-troy').timerScroll);
  200. })
  201. addEvent(window,'DOMMouseScroll',function(){//滚动则停止，兼容firefox
  202. 	clearInterval($('scrollMars-troy').timerScroll);
  203. })
  204.  
  205. var isinput=false;//用于判断是否是点击到了特定元素上，如果是，就不进入阅读模式
  206. addEvent(document,'dblclick',function(){//双击进入阅读模式
  207. 		isinput==false && readmode(1,20);
  208. })
  209.  
  210. addEvent(document,'click',function(){//单击退出阅读模式,停止滚动
  211. 		clearInterval(document.readMode);
  212. })
  213.  
  214. addEvent(window.top, "resize",function(){//页面大小改变，初始化按钮
  215. 	createBtn();
  216. });
  217.  
  218. addEvent(window.top,"load",function(){//页面加载，初始化按钮
  219. 	createBtn();
  220. 	//选择要禁用的元素（点击这些元素，不会进入阅读模式）
  221. 	var oInputs=document.querySelectorAll('input,form,textarea,#scrollMars-troy,.edui-editor-middle');
  222. 	for(var i=0;i<oInputs.length;i++){
  223. 		oInputs[i].ondblclick=function(){
  224. 			isinput=true;
  225. 		}
  226. 		addEvent(document,'dblclick',function(){
  227. 			isinput=false;
  228. 		})
  229. 	};
  230. 	var d2=new Date().getTime();
  231. 	console.log('GoTop-GoBtm脚本加载耗时：'+(d2-d1)+'ms');
  232. });
  233. //================快捷键区============
  234. addEvent(document,'keydown',function(e){
  235. 	e=e || window.top.event;
  236. 	if(e.ctrlKey && e.keyCode==38){//ctrl+↑，向上滚动
  237. 		scroll($('scrollMars-troy'),1)
  238. 	}else if(e.ctrlKey && e.keyCode==40){//ctrl+↓，向下滚动
  239. 		scroll($('scrollMars-troy'),-1)
  240. 	}else if(e.ctrlKey && e.keyCode==113){//ctrl+F2，调处控制面板
  241. 		var setting=document.createElement('div');
  242. 		setting.id='setting-troy';
  243. 		var inner="\
  244. 			<div id='setting-pan-troy'>\
  245. 				<div>\
  246. 					控制面板:Ctrl+F2<br />\
  247. 					添加黑名单域名：<input type='text' id='blackList' placeholder='www.baidu.com' /><br />\
  248. 					<input type='button' value='添加黑名单' id='saveSetting' />\
  249. 					<input type='button' id='quiet' value='退出面板' /><br/><hr />\
  250. 					<input type='button' id='clear' value='移除黑名单'>\
  251. 					<input type='button' id='showlist' value='显示黑名单'>\
  252. 					<input type='button' id='clearall' value='清空黑名单'>\
  253. 					<input type='button' id='readmodebtn' value='双击滚动开关'>\
  254. 				</div>\
  255. 			</div>\
  256. 		"
  257. 		window.top.document.documentElement.appendChild(setting);
  258. 		setting.innerHTML=inner;
  259. 		var domian=/^[0-9-a-z]+\.{0,1}[0-9-a-z]+\.{1}[a-z]+$/ig;//用于验证域名是否符合规范
  260. 		var host=window.top.location.host;
  261. 		$('blackList').value=host;
  262. 		GM_setValue(turn,true);//第一次安装脚本，默认开启双击滚动
  263. 		addEvent($('quiet'),'click',function(){//退出
  264. 			setting.remove(setting);
  265. 		});
  266. 		addEvent($('clear'),'click',function(){//移出黑名单
  267. 			GM_deleteValue($('blackList').value);
  268. 			alert( GM_getValue($('blackList').value,'移除成功') ); 
  269. 		});
  270. 		addEvent($('clearall'),'click',function(){//清空黑名单
  271. 			for(var i=0;i<GM_listValues().length;i++){
  272. 				if(domian.test( GM_listValues()[i] )){
  273. 					console.log('黑名单：'+GM_listValues()[i]+'被删除');
  274. 					GM_deleteValue( GM_listValues()[i] );
  275. 				}
  276. 			};//for
  277. 			alert('清空完毕');
  278. 		})
  279. 		addEvent($('showlist'),'click',function(){//显示黑名单
  280. 			if(GM_listValues().length<=1){
  281. 				alert('空的黑名单');
  282. 			}
  283. 			for(var i=0;i<GM_listValues().length;i++){
  284. 				if(domian.test( GM_listValues()[i] )){
  285. 					var list=document.createElement('li');
  286. 					list.innerHTML=GM_listValues()[i];
  287. 					document.querySelector('#setting-pan-troy>div').appendChild(list);
  288. 				}
  289. 			}
  290. 		});
  291. 		addEvent($('readmodebtn'),'click',function(){//禁用双击滚动
  292. 			if( GM_getValue(turn)==true ){
  293. 				GM_setValue(turn,false);
  294. 				alert('禁用成功');
  295. 				return;
  296. 			}else if(GM_getValue(turn)==false){
  297. 				GM_setValue(turn,true);			
  298. 				alert('开启成功');
  299. 				return;
  300. 			}
  301. 			
  302. 		})
  303. 		addEvent($('saveSetting'),'click',function(){//保存
  304. 			if(domian.test($('blackList').value)==false){//检查输入的域名是否符合规范
  305. 				alert($('blackList').value+'域名格式不正确'+'\n比如：tieba.baidu.com或www.baidu.com')
  306. 				return;
  307. 			}
  308. 			if($('blackList').value!=''){//如果有填入黑名单列表
  309. 				if( GM_getValue($('blackList').value,'不存在')!=$('blackList').value ){//不在黑名单中
  310. 					GM_setValue($('blackList').value,$('blackList').value);
  311. 					alert('禁用：'+$('blackList').value+'成功');
  312. 				}else{
  313. 					alert('该域名已在黑名单中');
  314. 				}
  315. 			}else{//没有填入黑名单
  316. 				alert('请输入域名');
  317. 				return;
  318. 			}
  319. 		})
  320. 	}
  321. })//监听keydown，快捷键
  322. })()