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Y-marker

Sets up keyboard shortcuts for placing bookmarks and navigation inside webpage.

当前为 2016-02-22 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        Y-marker
  3. // @namespace   trespassersW
  4. // @description Sets up keyboard shortcuts for placing bookmarks and navigation inside webpage.
  5. // @include        http://*
  6. // @include        https://*
  7. // @include        file://*
  8. // ** about:config -> greasemonkey.fileIsGreaseable <- true
  9. // @version 16.02.22
  10. // @license  MIT
  11. // @released 2013-12-11
  12. // @run-at document-end
  13. // @grant GM_getValue
  14. // @grant GM_setValue
  15. // @grant GM_unsafeWindow
  16. // ==/UserScript==
  17. /* 
  18.  16.02.22 [+] press Alt-Shift-0 twice to set starting Y-position for whole domain; [*] markers moved to GM_storage.
  19.  * 13-12-12 click on msg removes all marks
  20.  * 1.1 don't run in editable fields
  21. */
  22. (function(){ "use strict";
  23. if(top!=self || !document || !document.body ) return;
  24. var W = unsafeWindow || window; // localStorage doesn't live in sandbox?
  25. /* key kombinations to invoke the skript */
  26. var kShift = 1,  kCtrl = 2, kAlt = 4, kWin = 8; 
  27. var kJump = kAlt; 
  28. var kMark = kAlt+kShift;
  29.  
  30. /* sec; 0 to disable; -1 status bar only */
  31. var tipShowtime = 2.2;  
  32.  
  33. var kNobs = "-0123456789";
  34. var kKeys = { 
  35.  173: 0, 48: 1, 49: 2, 50: 3, 51: 4, 52: 5, 53: 6, 54: 7, 55: 8, 56: 9, 57: 10,
  36.  189: 0, /* chrome, opera caps lock */
  37.  109: 0  /* opera */
  38. };
  39. var minus1="-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1";
  40. var LH=location.hostname || "Ym", LHP=LH+location.pathname;
  41.  
  42. function kNob(k){ return kNobs.charAt(k); }
  43.  
  44. var U=undefined, D=window.document;
  45. var _L=  function() {};
  46. //_L=console.log.bind(console);
  47.  
  48. var statMsg;
  49. function msg(t,k, y){
  50.  statMsg = "";
  51.  if(U!==k)
  52.   statMsg += "["+kNob(k)+"] ";
  53.  if(U!==y)
  54.   statMsg += ""+pt(y)+"% ";
  55.  statMsg += t+ (noCoo ? "\u2262 ": "");
  56. }
  57.  
  58. var locStor,locStored;
  59. var noCoo;
  60. // see SQlite manager -> %FFpath%\webappstore.sqlite -> find -> key -> contains Ym#
  61.  
  62. try {
  63.   locStor = W.localStorage;
  64.   locStored=locStor.getItem("Ym#"+location.pathname);
  65. } catch(e){ locStor = locStored =null;  };
  66.   
  67. function pt(y) {
  68.  try{
  69.   y =Math.round(y*1000/(document.body.scrollHeight+1))/10;
  70.  }catch(e){console.log("math\n"+e); return -1}
  71.  return y;
  72. }
  73.  
  74. var Ym;
  75. var pz;
  76.  
  77. function ldYm(){
  78.   var s;
  79.   if(locStor && locStored){
  80.     pz=locStored.split(",");
  81.     svYm();
  82.     locStor.removeItem("Ym#"+location.pathname);
  83.     console.log('Ym: locS -> GM_S '+LHP);
  84.     locStor = locStored = null;
  85.   }
  86.   s=GM_getValue(Ym,null);
  87.   if(!s){ s=minus1;
  88.   }else try{
  89.     var y=JSON.parse(s);
  90.     s=y[LHP] || y[LH] || minus1;
  91.   }catch(e){console.log('ldYm: buggy data\n'+e)};
  92.   pz=s.split(",");
  93. }
  94.  
  95. function svYm(d){
  96.  var y={},s=pz.join(",");
  97.  try{
  98.    y=JSON.parse(GM_getValue(Ym,'{}'));
  99.  }catch(e){console.log('svYm: buggy data\n'+e);}
  100.  if(!d) y[LHP]= s;
  101.  else{ //  marker for whole domain
  102.      y[LH]= s;
  103.  }
  104.  //_L((d?LH:LHP)+": saved "+s);
  105.  GM_setValue(Ym,JSON.stringify(y));
  106. }
  107.  
  108. function rmYm(){
  109.  var y={};
  110.  try{
  111.    y=JSON.parse(GM_getValue(Ym,'{}'));
  112.  }catch(e){console.log('rmYm: buggy data\n'+e); y={}; }
  113.   if(y[LH]) delete y[LH],  _L("rmH: " +LH);
  114.   if(y[LHP]) delete y[LHP],  _L("rmHP: " +LHP);
  115.  GM_setValue(Ym,JSON.stringify(y));
  116.  pz=minus1.split(",");
  117. }
  118.  
  119. function jumpY(k){
  120.  var y=pz[k];
  121.  if(y > -1) {
  122.    if( y!= scrollY ){
  123.     pz[0] = scrollY;
  124.     scroll(0,y);
  125.     msg("jump",k,y);
  126.    }else
  127.     msg("here",k,y); 
  128.    return 1;
  129.  }
  130.  msg("none",k); 
  131.  return 0;
  132. }
  133.  
  134. function markY(k){
  135.  var d="";
  136.  if(k==1 && scrollY == pz[k] ) d="!";
  137.  pz[k]=scrollY;
  138.  if(k>=1)
  139.   svYm(d);
  140.  msg("mark"+d,k,pz[k]);
  141.  return 1;
  142. }
  143.  
  144. var kMap= {16: kShift, 17:kCtrl, 18: kAlt, 91: kWin};
  145. var keyMod=0;
  146. var kkWin= (kMark | kJump) & kWin;
  147.  
  148. function klear(e) { 
  149.  var k= e.keyCode; 
  150.  if(!k) return;
  151.  var km=kMap[k];
  152.  if(km) {
  153.   keyMod &= -1 ^ km;
  154.  }
  155. }
  156.  
  157. function onKeydown(e) {
  158.  try{
  159.  var rc=0, k= e.keyCode; 
  160.  if(!k) return;
  161.  // Don't run in input, select, textarea etc.
  162.  var E = D.activeElement.tagName.toLowerCase();
  163.  if (E == "input" || E == "select" || E == "textarea" ||
  164.     (E=D.activeElement.contentEditable) == "true" ||
  165.      E == "") 
  166.    {  keyMod = 0; return; }
  167.  
  168.  var km =kMap[k]; // ff doesnt track metaKey. stsuko
  169.  if(km) {
  170.    keyMod |= km;
  171.    if( kkWin && km === kWin ) //???
  172.     e.preventDefault(), e.stopPropagation();
  173.    return;
  174.  }
  175.  km=keyMod; 
  176.  if( U=== (k=kKeys[k]) ){ keyMod = 0; return; }
  177.  if( km === kJump ) {
  178.    rc = jumpY(k);
  179.  }else if( km === kMark ) {
  180.    rc = markY(k);
  181.  }else {
  182.   return;
  183.  }
  184.  statSay();
  185.  if(rc) e.preventDefault(),e.stopPropagation();
  186.  }catch(e){console.log('smth wromg\n'+e)};
  187. }
  188.  
  189. function mk(p, t, id, s) {
  190.   var e = D.createElement(t);
  191.   e.id=id;
  192.   e.style.cssText = s;
  193.   return p.appendChild(e);
  194. };
  195.  
  196. /* RIP status bar replacement */
  197. var sb;
  198. function _css(){ 
  199. if(!sb) sb = mk(
  200. //D.body, 
  201. D.documentElement, // 2014-06-30 ???!!1 
  202. 'section', "Y-marker-userjs-inf",
  203. "position: fixed!important;\
  204. z-index: 214748!important;\
  205. top: 0px; right: 1px; bottom: auto; left: auto;\
  206. background: rgba(221,255,221,.75);\
  207. padding: 2px 3px 2px 8px; margin:0;\
  208. border: none;\
  209. border-radius: 12px 3px 3px 12px; \
  210. color: #131;\
  211. opacity: 1; display:none;\
  212. font: normal 12px/14px sans-serif !important;\
  213. text-shadow: #373 2px 2px 4px, #7F7 -2px -2px 4px;\
  214. cursor:no-drop;\
  215. "
  216. );
  217. /* click removes all  */
  218. if(tipShowtime>0){
  219.  sb.addEventListener("click",function (e) {
  220.   rmYm(); //locStor.removeItem(Ym);
  221.   ldYm(); noTout();
  222.  },false);
  223. };
  224. }
  225.  
  226.  
  227. var tO;
  228. function onTout(){
  229.  tO=0; sb.style.display="none";
  230. }
  231. function noTout(){ 
  232.  if(tO) clearTimeout(tO), onTout();
  233. }
  234.  
  235. function statSay(t) {
  236.  if(statMsg){
  237.  _css();
  238.    if(tipShowtime) 
  239.      W.status=statMsg;
  240.    if(tipShowtime>0){
  241.      noTout();
  242.      sb.innerHTML= statMsg;
  243.      sb.style.display="block";
  244.      tO=setTimeout(onTout, (t? t: tipShowtime)*1000);
  245.    }
  246.  } 
  247.  statMsg="";
  248. }
  249.  
  250. Ym="Ym#";//+location.pathname;
  251.  
  252. ldYm();
  253. for(var k=1; k<2; k++){ /* pz.length */
  254.  if(pz[k]>-1){ 
  255.   scroll(0,pz[k]); 
  256.   msg('jump',k,pz[k]);
  257.   statSay(5);
  258.   break; 
  259.  }
  260. };
  261.  
  262. if(noCoo)  msg(noCoo),   statSay(5);
  263.  
  264. addEventListener("keydown",onKeydown,false);
  265. addEventListener("keyup",klear,false);
  266.  
  267. })();