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thread win

sort comments by favorites

当前为 2014-10-26 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name           thread win
  3. // @namespace      bperkins
  4. // @description    sort comments by favorites
  5. // @include        http://www.metafilter.com/*
  6. // @include http://ask.metafilter.com/*
  7. // @include http://metatalk.metafilter.com/*
  8. // @version        1.5
  9. // @grant       none
  10. // ==/UserScript==
  11.  
  12.  
  13. var savedstuff;
  14.  
  15. var winNode;
  16. var unwinNode;
  17. var copy;
  18.  
  19.  
  20.  
  21. function sortFav(a,b) {
  22.  
  23.  
  24.  
  25.     return (-(getFav(a)-getFav(b)));
  26.  
  27. }
  28. function getFav(a) 
  29. {
  30.     var toplevel = a.getElementsByTagName("SPAN");
  31.     var notloggedin = 0;
  32.  
  33.     if (toplevel.length ==0 ) {
  34. 	return 1;
  35.     }   
  36.  
  37.     var bylinespan = toplevel[0].getElementsByTagName("SPAN");
  38.  
  39.     if (bylinespan.length ==0) {
  40.         notloggedin =1
  41. 	bylinespan = a.getElementsByTagName("SPAN");
  42.     }
  43.     if (bylinespan.length ==0 ) {
  44. 	return 1;
  45.     }
  46.     
  47. 	
  48.     var favspan;
  49.  
  50.     if (bylinespan[0].getAttribute("class") == "staffp" 	   ) { 
  51. 	 favspan = bylinespan[2].getElementsByTagName("SPAN");
  52.     } else {
  53.     favspan = bylinespan[0].getElementsByTagName("SPAN");
  54.     }
  55.  
  56.      if   (favspan.length ==0) {
  57. 	 //No extra span layer in MeTalk
  58. 	 favspan=bylinespan
  59.      }
  60.  
  61.      var fava = favspan[0].getElementsByTagName("A");
  62.  
  63.      
  64.  
  65.  
  66.  
  67.     var fav =0;
  68.     re = new RegExp("\\d+")
  69.  
  70.  
  71. 	if (fava.length > 0 &&fava[0] != undefined ) { 
  72. 	    
  73. 	    var m;
  74. 	    if (notloggedin) {
  75. 		if (fava.length >2) {
  76. 		    m=re.exec(fava[2].innerHTML);
  77. 		} else {
  78. 		    return 1
  79. 		}
  80. 		
  81. 	    } else {
  82. 		m=re.exec(fava[0].innerHTML);
  83. 	    }
  84. 	    fav=m[0];
  85.  
  86. 	}
  87.  
  88.  
  89.     return (1*fav)+1;
  90.  
  91. }
  92.  
  93.  
  94.  
  95.  
  96. function  unwin () {
  97.  
  98.     copy.replaceChild(winNode,unwinNode);
  99.  
  100.  
  101.     var parent=getCommentParent ();
  102. 	
  103.     var newstuff = parent.childNodes;
  104. 		
  105.     while ( newstuff.length >0 ) {
  106. 	    
  107. 	parent.removeChild(newstuff[0]);
  108.     }
  109. 	
  110.  
  111.     for (var j = 0; j < savedstuff.length; j++) {
  112. 	parent.appendChild(savedstuff[j]);
  113.     }   
  114. 	
  115.     
  116. }
  117.  
  118. function getCommentParent () {
  119. 	
  120.     var snaps = ["//div[@id='posts']","//div[@id='page']","//body[@id='body']"];
  121.  
  122.     for ( var snap in snaps ) {
  123.  
  124.     page = document.evaluate(
  125. 			     snaps[snap],
  126. 			     document,
  127. 			     null,
  128. 			     XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
  129. 			     null);
  130.  
  131.  
  132.     for (var i = 0; i < page.snapshotLength; i++) {
  133. 	stuff = page.snapshotItem(i).childNodes;
  134. 	for (var j = 0; j < stuff.length; j++) {
  135.  
  136. 	    if (stuff[j].nodeName.toUpperCase()=="DIV" &&
  137. 		(stuff[j].getAttribute("class") == "comments" ||
  138. 		 stuff[j].getAttribute("class") == "comments bestleft"||
  139. 		 stuff[j].getAttribute("class") == "comments best")) {
  140. 		return  page.snapshotItem(i);
  141. 	    }
  142. 	}
  143.     }	
  144.     }
  145.  
  146.     alert ("threadwin: failed to get comment parent");
  147.  
  148. }
  149.  
  150.  
  151.  
  152.  
  153. function  threadwin () {
  154.  
  155.     copy.replaceChild(unwinNode,winNode);
  156.  
  157.  
  158.     
  159.     var parent= getCommentParent();
  160. 	    
  161. 			
  162.     var stuff = parent.childNodes;
  163.     var commentidxs = new Array;
  164.     var comments = new Array;
  165.     var objects = new Array ;
  166.     savedstuff=new Array;
  167.  
  168.     var k=0;     
  169.     var favs =""
  170.  
  171. 	for (var j = 0; j < stuff.length; j++) {
  172. 			
  173. 				 
  174. 	    if (stuff[j].nodeName.toUpperCase()=="DIV" &&
  175. 		(stuff[j].getAttribute("class") == "comments" ||
  176. 		 stuff[j].getAttribute("class") == "comments bestleft"||
  177. 		 stuff[j].getAttribute("class") == "comments best")) {
  178. 		
  179.      
  180. 		commentidxs.push(j);
  181. 		comments.push(stuff[j]);
  182. 	    } 
  183.    
  184. 	    objects.push(stuff[j]);
  185. 	    savedstuff.push(stuff[j]);
  186.  
  187. 	}
  188.  
  189.     comments.sort(sortFav);
  190.  
  191. 	for (var j = 0; j < comments.length; j++) {
  192.  
  193. 	    objects[commentidxs[j]]=comments[j];
  194.  
  195. 	}
  196.  
  197.  
  198.     while ( stuff.length >0 ) {
  199.  
  200. 	parent.removeChild(stuff[0]);
  201.     }
  202.  
  203.  
  204.     for (var j = 0; j < objects.length; j++) {
  205. 	parent.appendChild(objects[j]);
  206.     }   
  207.  
  208.     
  209. }
  210.  
  211.  
  212. res = document.evaluate(
  213. 			"//div[@class='copy']",
  214. 			document,
  215. 			null,
  216. 			XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
  217. 			null);
  218.  
  219. copy=res.snapshotItem(0)
  220.  
  221. if (copy.parentNode.id == "page"
  222.     //newcode
  223.     ||copy.parentNode.id == "posts" ) {
  224.  
  225.  
  226. 	winNode = document.createElement('a');
  227. 	winNode.innerHTML = "<small>[threadwin]</small> ";
  228. 	winNode.href ="#";
  229. 	winNode.addEventListener("click", threadwin, true);
  230. 	
  231. 	copy.appendChild( winNode );
  232. 	
  233. 	unwinNode = document.createElement('a');
  234. 	unwinNode.innerHTML = "<small>[unwin]</small>";
  235. 	unwinNode.href ="#";
  236. 	unwinNode.addEventListener("click", unwin, true);
  237. 	
  238.  
  239. 	
  240.     }
  241.