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Reddit and Hacker News Filter

By engtech — Last update May 27, 2008 — Installed 239 times.

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/*
  --------------------------------------------------------------------
  How to Install a Greasemonkey Script
  --------------------------------------------------------------------

  - You need the Firefox web browser - Download and install
  http://www.mozilla.com/en-US/firefox/

  - You need to install Greasemonkey - How-To
  http://internetducttape.com/2007/08/23/howto-install-firefox-extensions-screenshots/

  - Install this script - How-To
  http://internetducttape.com/2007/08/24/howto-use-firefox-greasemonkey-userscripts-screenshots/

*/
// ==UserScript==
// @name           Reddit and Hacker News Filter
// @namespace      http://internetducttape.com
// @description    Permanently hide sites on Hacker News and Reddit
// @include        http://news.ycombinator.com*
// @include        http://*reddit.com*
// @version        0.2
// ==/UserScript==

// ---------------------------------------------------------------------
//   Initialization
// ---------------------------------------------------------------------

var rhnf_script_version = 0.2;

// Script updates itself every two weeks.
autoUpdateFromUserscriptsDotOrg({
  name: 'Reddit and Hacker News Filter',
      url: 'http://userscripts.org/scripts/source/27105.user.js',
      version: rhnf_script_version,
      });

// If the script gets screwed up because of the stored data, this menu command can clean it up.
GM_registerMenuCommand('Reddit Filter: Remove all banned sites', function() {
 			 GM_setValue('BANNED', '');
			 window.BANNED = [];
			 unsafeWindow.location.reload();
 		       });

GM_registerMenuCommand('Reddit Filter: Show banned sites', function() {
 			 alert(GM_getValue('BANNED', 'No sites are banned.'));
 		       });

GM_jQuery();

unsafeWindow.$ = jQuery;

window.BANNED = [];

// for both sites they are in a span but with different names
var initial_selector = "div.content";
var top_selector = "div.link";
var domain_selector = "span.domain";
var hover_selector = "div.link:hover span.domain";
var edit_selector = "p:first";
if (location.host == 'news.ycombinator.com') {
  initial_selector = "body";
  top_selector = "tr:first";
  domain_selector = ".title .comhead";
  hover_selector = "tr > td.title:hover .comhead";
  edit_selector = "td:first";
 }

GM_addStyle('.rhnf { visibility:hidden; } '+hover_selector+' .rhnf { visibility:visible !important; } ');

// Load previous list of bans
loadBannedSites();

addFilter(rhnf_main);
rhnf_main(initial_selector);
return;

// ---------------------------------------------------------------------
//   Main
// ---------------------------------------------------------------------

function rhnf_main(node) {
  // Store the site hostname as an attribute and add the ban link
  $(node).find(domain_selector).each(function() {
			    // remove the brackets
			    var site = this.textContent.split(/(\(|\))/)[2]; //.replace('.','','g');
			    $(this).append(' <span class="rhnf" site="'+site+'"><a class="rhnf-ban" href="javascript:;">Ban site</a> | <a class="rhnf-edit-open" href="javascript:;">Edit sites</a><a style="display:none;" class="rhnf-edit-close" href="javascript:;">Close edit sites</a></span>');
			  });
  
  // Run the current list
  window.BANNED.forEach(function(site) {
			  $(node).find('[@site='+site+']').parents(top_selector).hide();
			  $(node).find('[@site='+site+']').parents(top_selector).next().hide();
			});

  // Add click handlers
  $(node).find('.rhnf-ban').bind('click', banSite);
  $(node).find('.rhnf-edit-open').bind('click', editSites);
  $(node).find('.rhnf-edit-close').bind('click', closeEditSitesDialog);
}

// ---------------------------------------------------------------------
//   Pagerization
// ---------------------------------------------------------------------

// Pagerization Support
function addFilter(func, i) {
  i = i || 4;
  if (window.AutoPagerize && window.AutoPagerize.addFilter) {
    window.AutoPagerize.addFilter(func);
  }
  else if (i > 1) {
    setTimeout(arguments.callee, 1000, func, i - 1);
  }
}

// ---------------------------------------------------------------------
//   Subroutines
// ---------------------------------------------------------------------

function editSites() {
  openEditSitesDialog();

  var text = '<p>No sites have been banned.</p>';
  if (window.BANNED.length > 0) {
    text = '<ol>';
    window.BANNED.forEach(function(site){
			    text += '<li><a class="rhnf-remove" site="'+site+'" href="javascript:;">Unban '+site+'</a></li>';
			  });  
    text += '</ol><a class="rhnf-remove-all" href="javascript:;">Unban all sites</a> | ';
  }
  $(this).parents(edit_selector).append('<div class="rhnf-edit-dialog" style="border: 1px solid; padding: 15px;">'+text+'<a class="rhnf-edit-dialog-close" href="javascript:;">Close edit sites</a></div>');

  // Add click handlers for remove sites dialog
  $('.rhnf-remove').bind('click', function() {
			   unbanSite($(this).attr('site'));
			   $(this).parents('li:first').remove();
			 });
  $('.rhnf-edit-dialog-close').bind('click', function() {
			       closeEditSitesDialog();
			     });
  $('.rhnf-remove-all').bind('click', function() {
			       var sites = window.BANNED.concat();
			       sites.forEach(function(site){
						       unbanSite(site);
						     });
			     });
}

function openEditSitesDialog() {
  // If it's already open, close it.
  $('.rhnf-edit-dialog').remove();
  $('.rhnf-edit-open').hide();
  $('.rhnf-edit-close').show();
}

function closeEditSitesDialog() {
  $('.rhnf-edit-dialog').remove();
  $('.rhnf-edit-open').show();
  $('.rhnf-edit-close').hide();
}

function banSite() {
  var site = $(this).parents('.rhnf').attr('site');
  var pos = $.inArray(site, window.BANNED);
  if (pos == -1) {
    window.BANNED.push(site);
  }
  hideSite(site);
  setGMValue('BANNED', window.BANNED.join(','));
}

function unbanSite(site) {
  var pos = $.inArray(site, window.BANNED);
  if (pos != -1) {
    window.BANNED.splice(pos, 1);
  }
  showSite(site);
  if (window.BANNED.length == 0) {
    setGMValue('BANNED', null);
    closeEditSitesDialog();
  }
  else {
    setGMValue('BANNED', window.BANNED.join(','));
  }
}

function loadBannedSites() {
  // Load the string, split by ',' and remove the first one.
  window.BANNED = getGMValue('BANNED', null);
  if ((window.BANNED == null) || (window.BANNED == '')){
    window.BANNED = [];
  }
  else {
    window.BANNED = window.BANNED.split(',');
  }
}

function hideSite(site) {
    $('[@site='+site+']').parents(top_selector).hide();
    $('[@site='+site+']').parents(top_selector).next().hide();
}

function showSite(site) {
    $('[@site='+site+']').parents(top_selector).show();
    $('[@site='+site+']').parents(top_selector).next().show();
}

// ---------------------------------------------------------------------
//   GM Helpers
// ---------------------------------------------------------------------

// Utility functions for setting GM variables even from unsafeWindow
function getGMValue(k,d) { if(typeof d=='undefined'){d=null;} return GM_getValue(k,d); }
function setGMValue(k,v) { window.setTimeout(function() { GM_setValue(k,v);}, 0); return }

// ---------------------------------------------------------------------
//   Autoupdater
// ---------------------------------------------------------------------

function autoUpdateFromUserscriptsDotOrg(SCRIPT) {
  // Update code from Junk Blocker: http://loonyone.livejournal.com/
  // usage example
  // autoUpdateFromUserscriptsDotOrg({
  //   name: 'RSS+Atom Feed Subscribe Button Generator',
  //   url: 'http://userscripts.org/scripts/source/688.user.js',
  //   version: "1.2",
  // });
  try {
    if (!GM_getValue) return; // Older version of Greasemonkey. Can't run.

    // avoid a flood of dialogs e.g. when opening a browser with multiple tabs set to homepage
    // and a script with * includes or opening a tabgrop
    var DoS_PREVENTION_TIME = 2 * 60 * 1000;
    var isSomeoneChecking = GM_getValue('CHECKING', null);
    var now = new Date().getTime();
    GM_setValue('CHECKING', now.toString());

    if (isSomeoneChecking && (now - isSomeoneChecking) < DoS_PREVENTION_TIME) return;

    // check daily
    var ONE_DAY = 24 * 60 * 60 * 1000;
    var ONE_WEEK = 7 * ONE_DAY;
    var TWO_WEEKS = 2 * ONE_WEEK;
    var lastChecked = GM_getValue('LAST_CHECKED', null);
    if (lastChecked && (now - lastChecked) < TWO_WEEKS) return;

    GM_xmlhttpRequest({
      method: 'GET',
	  url: SCRIPT.url + '?source', // don't increase the 'installed' count just for update checks
	  onload: function(result) {
	  if (!result.responseText.match(/@version\s+([\d.]+)/)) return;     // did not find a suitable version header

	  var theOtherVersion = parseFloat(RegExp.$1);
	  if (theOtherVersion <= parseFloat(SCRIPT.version)) return;      // no updates or older version on userscripts.orge site

	  if (window.confirm('A new version ' + theOtherVersion + ' of greasemonkey script "' + SCRIPT.name + '" is available.\nYour installed version is ' + SCRIPT.version + ' .\n\nUpdate now?\n')) {
	    GM_openInTab(SCRIPT.url);   // better than location.replace as doing so might lose unsaved data
	  }
	}
      });
    GM_setValue('LAST_CHECKED', now.toString());
  } catch (ex) {
  }
}

// ---------------------------------------------------------------------
//   jQuery 1.2.5
// ---------------------------------------------------------------------

function GM_jQuery(){ 
var _jQuery=window.jQuery,_$=window.$;var jQuery=window.jQuery=window.$=function(selector,context){return new jQuery.fn.init(selector,context);};var quickExpr=/^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/,isSimple=/^.[^:#\[\.]*$/,undefined;jQuery.fn=jQuery.prototype={init:function(selector,context){selector=selector||document;if(selector.nodeType){this[0]=selector;this.length=1;return this;}if(typeof selector=="string"){var match=quickExpr.exec(selector);if(match&&(match[1]||!context)){if(match[1])selector=jQuery.clean([match[1]],context);else{var elem=document.getElementById(match[3]);if(elem){if(elem.id!=match[3])return jQuery().find(selector);return jQuery(elem);}selector=[];}}else
return jQuery(context).find(selector);}else if(jQuery.isFunction(selector))return jQuery(document)[jQuery.fn.ready?"ready":"load"](selector);return this.setArray(jQuery.makeArray(selector));},jquery:"1.2.5",size:function(){return this.length;},length:0,get:function(num){return num==undefined?jQuery.makeArray(this):this[num];},pushStack:function(elems){var ret=jQuery(elems);ret.prevObject=this;return ret;},setArray:function(elems){this.length=0;Array.prototype.push.apply(this,elems);return this;},each:function(callback,args){return jQuery.each(this,callback,args);},index:function(elem){var ret=-1;return jQuery.inArray(elem&&elem.jquery?elem[0]:elem,this);},attr:function(name,value,type){var options=name;if(name.constructor==String)if(value===undefined)return this[0]&&jQuery[type||"attr"](this[0],name);else{options={};options[name]=value;}return this.each(function(i){for(name in options)jQuery.attr(type?this.style:this,name,jQuery.prop(this,options[name],type,i,name));});},css:function(key,value){if((key=='width'||key=='height')&&parseFloat(value)<0)value=undefined;return this.attr(key,value,"curCSS");},text:function(text){if(typeof text!="object"&&text!=null)return this.empty().append((this[0]&&this[0].ownerDocument||document).createTextNode(text));var ret="";jQuery.each(text||this,function(){jQuery.each(this.childNodes,function(){if(this.nodeType!=8)ret+=this.nodeType!=1?this.nodeValue:jQuery.fn.text([this]);});});return ret;},wrapAll:function(html){if(this[0])jQuery(html,this[0].ownerDocument).clone().insertBefore(this[0]).map(function(){var elem=this;while(elem.firstChild)elem=elem.firstChild;return elem;}).append(this);return this;},wrapInner:function(html){return this.each(function(){jQuery(this).contents().wrapAll(html);});},wrap:function(html){return this.each(function(){jQuery(this).wrapAll(html);});},append:function(){return this.domManip(arguments,true,false,function(elem){if(this.nodeType==1)this.appendChild(elem);});},prepend:function(){return this.domManip(arguments,true,true,function(elem){if(this.nodeType==1)this.insertBefore(elem,this.firstChild);});},before:function(){return this.domManip(arguments,false,false,function(elem){this.parentNode.insertBefore(elem,this);});},after:function(){return this.domManip(arguments,false,true,function(elem){this.parentNode.insertBefore(elem,this.nextSibling);});},end:function(){return this.prevObject||jQuery([]);},find:function(selector){var elems=jQuery.map(this,function(elem){return jQuery.find(selector,elem);});return this.pushStack(/[^+>] [^+>]/.test(selector)||selector.indexOf("..")>-1?jQuery.unique(elems):elems);},clone:function(events){var ret=this.map(function(){if(jQuery.browser.msie&&!jQuery.isXMLDoc(this)){var clone=this.cloneNode(true),container=document.createElement("div");container.appendChild(clone);return jQuery.clean([container.innerHTML])[0];}else
return this.cloneNode(true);});var clone=ret.find("*").andSelf().each(function(){if(this[expando]!=undefined)this[expando]=null;});if(events===true)this.find("*").andSelf().each(function(i){if(this.nodeType==3)return;var events=jQuery.data(this,"events");for(var type in events)for(var handler in events[type])jQuery.event.add(clone[i],type,events[type][handler],events[type][handler].data);});return ret;},filter:function(selector){return this.pushStack(jQuery.isFunction(selector)&&jQuery.grep(this,function(elem,i){return selector.call(elem,i);})||jQuery.multiFilter(selector,this));},not:function(selector){if(selector.constructor==String)if(isSimple.test(selector))return this.pushStack(jQuery.multiFilter(selector,this,true));else
selector=jQuery.multiFilter(selector,this);var isArrayLike=selector.length&&selector[selector.length-1]!==undefined&&!selector.nodeType;return this.filter(function(){return isArrayLike?jQuery.inArray(this,selector)<0:this!=selector;});},add:function(selector){return this.pushStack(jQuery.unique(jQuery.merge(this.get(),typeof selector=='string'?jQuery(selector):jQuery.makeArray(selector))));},is:function(selector){return!!selector&&jQuery.multiFilter(selector,this).length>0;},hasClass:function(selector){return this.is("."+selector);},val:function(value){if(value==undefined){if(this.length){var elem=this[0];if(jQuery.nodeName(elem,"select")){var index=elem.selectedIndex,values=[],options=elem.options,one=elem.type=="select-one";if(index<0)return null;for(var i=one?index:0,max=one?index+1:options.length;i<max;i++){var option=options[i];if(option.selected){value=jQuery.browser.msie&&!option.attributes.value.specified?option.text:option.value;if(one)return value;values.push(value);}}return values;}else
return(this[0].value||"").replace(/\r/g,"");}return undefined;}return this.each(function(){if(this.nodeType!=1)return;if(value.constructor==Array&&/radio|checkbox/.test(this.type))this.checked=(jQuery.inArray(this.value,value)>=0||jQuery.inArray(this.name,value)>=0);else if(jQuery.nodeName(this,"select")){var values=jQuery.makeArray(value);jQuery("option",this).each(function(){this.selected=(jQuery.inArray(this.value,values)>=0||jQuery.inArray(this.text,values)>=0);});if(!values.length)this.selectedIndex=-1;}else
this.value=value;});},html:function(value){return value==undefined?(this.length?this[0].innerHTML:null):this.empty().append(value);},replaceWith:function(value){return this.after(value).remove();},eq:function(i){return this.slice(i,i+1);},slice:function(){return this.pushStack(Array.prototype.slice.apply(this,arguments));},map:function(callback){return this.pushStack(jQuery.map(this,function(elem,i){return callback.call(elem,i,elem);}));},andSelf:function(){return this.add(this.prevObject);},data:function(key,value){var parts=key.split(".");parts[1]=parts[1]?"."+parts[1]:"";if(value===undefined){var data=this.triggerHandler("getData"+parts[1]+"!",[parts[0]]);if(data===undefined&&this.length)data=jQuery.data(this[0],key);return data===undefined&&parts[1]?this.data(parts[0]):data;}else
return this.trigger("setData"+parts[1]+"!",[parts[0],value]).each(function(){jQuery.data(this,key,value);});},removeData:function(key){return this.each(function(){jQuery.removeData(this,key);});},domManip:function(args,table,reverse,callback){var clone=this.length>1,elems;return this.each(function(){if(!elems){elems=jQuery.clean(args,this.ownerDocument);if(reverse)elems.reverse();}var obj=this;if(table&&jQuery.nodeName(this,"table")&&jQuery.nodeName(elems[0],"tr"))obj=this.getElementsByTagName("tbody")[0]||this.appendChild(this.ownerDocument.createElement("tbody"));var scripts=jQuery([]);jQuery.each(elems,function(){var elem=clone?jQuery(this).clone(true)[0]:this;if(jQuery.nodeName(elem,"script")){scripts=scripts.add(elem);}else{if(elem.nodeType==1)scripts=scripts.add(jQuery("script",elem).remove());callback.call(obj,elem);}});scripts.each(evalScript);});}};jQuery.fn.init.prototype=jQuery.fn;function evalScript(i,elem){if(elem.src)jQuery.ajax({url:elem.src,async:false,dataType:"script"});else
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script.appendChild(document.createTextNode(data));head.insertBefore(script,head.firstChild);head.removeChild(script);}},nodeName:function(elem,name){return elem.nodeName&&elem.nodeName.toUpperCase()==name.toUpperCase();},cache:{},data:function(elem,name,data){elem=elem==window?windowData:elem;var id=elem[expando];if(!id)id=elem[expando]=++uuid;if(name&&!jQuery.cache[id])jQuery.cache[id]={};if(data!==undefined)jQuery.cache[id][name]=data;return name?jQuery.cache[id][name]:id;},removeData:function(elem,name){elem=elem==window?windowData:elem;var id=elem[expando];if(name){if(jQuery.cache[id]){delete jQuery.cache[id][name];name="";for(name in jQuery.cache[id])break;if(!name)jQuery.removeData(elem);}}else{try{delete elem[expando];}catch(e){if(elem.removeAttribute)elem.removeAttribute(expando);}delete jQuery.cache[id];}},each:function(object,callback,args){var name,i=0,length=object.length;if(args){if(length==undefined){for(name in object)if(callback.apply(object[name],args)===false)break;}else
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this.options.curAnim)if(this.options.curAnim[i]!==true)done=false;if(done){if(this.options.display!=null){this.elem.style.overflow=this.options.overflow;this.elem.style.display=this.options.display;if(jQuery.css(this.elem,"display")=="none")this.elem.style.display="block";}if(this.options.hide)this.elem.style.display="none";if(this.options.hide||this.options.show)for(var p in this.options.curAnim)jQuery.attr(this.elem.style,p,this.options.orig[p]);}if(done)this.options.complete.call(this.elem);return false;}else{var n=t-this.startTime;this.state=n/this.options.duration;this.pos=jQuery.easing[this.options.easing||(jQuery.easing.swing?"swing":"linear")](this.state,n,0,1,this.options.duration);this.now=this.start+((this.end-this.start)*this.pos);this.update();}return true;}};jQuery.extend(jQuery.fx,{speeds:{slow:600,fast:200,def:400},step:{scrollLeft:function(fx){fx.elem.scrollLeft=fx.now;},scrollTop:function(fx){fx.elem.scrollTop=fx.now;},opacity:function(fx){jQuery.attr(fx.elem.style,"opacity",fx.now);},_default:function(fx){fx.elem.style[fx.prop]=fx.now+fx.unit;}}});jQuery.fn.offset=function(){var left=0,top=0,elem=this[0],results;if(elem)with(jQuery.browser){var parent=elem.parentNode,offsetChild=elem,offsetParent=elem.offsetParent,doc=elem.ownerDocument,safari2=safari&&parseInt(version)<522&&!/adobeair/i.test(userAgent),css=jQuery.curCSS,fixed=css(elem,"position")=="fixed";if(elem.getBoundingClientRect){var box=elem.getBoundingClientRect();add(box.left+Math.max(doc.documentElement.scrollLeft,doc.body.scrollLeft),box.top+Math.max(doc.documentElement.scrollTop,doc.body.scrollTop));add(-doc.documentElement.clientLeft,-doc.documentElement.clientTop);}else{add(elem.offsetLeft,elem.offsetTop);while(offsetParent){add(offsetParent.offsetLeft,offsetParent.offsetTop);if(mozilla&&!/^t(able|d|h)$/i.test(offsetParent.tagName)||safari&&!safari2)border(offsetParent);if(!fixed&&css(offsetParent,"position")=="fixed")fixed=true;offsetChild=/^body$/i.test(offsetParent.tagName)?offsetChild:offsetParent;offsetParent=offsetParent.offsetParent;}while(parent&&parent.tagName&&!/^body|html$/i.test(parent.tagName)){if(!/^inline|table.*$/i.test(css(parent,"display")))add(-parent.scrollLeft,-parent.scrollTop);if(mozilla&&css(parent,"overflow")!="visible")border(parent);parent=parent.parentNode;}if((safari2&&(fixed||css(offsetChild,"position")=="absolute"))||(mozilla&&css(offsetChild,"position")!="absolute"))add(-doc.body.offsetLeft,-doc.body.offsetTop);if(fixed)add(Math.max(doc.documentElement.scrollLeft,doc.body.scrollLeft),Math.max(doc.documentElement.scrollTop,doc.body.scrollTop));}results={top:top,left:left};}function border(elem){add(jQuery.curCSS(elem,"borderLeftWidth",true),jQuery.curCSS(elem,"borderTopWidth",true));}function add(l,t){left+=parseInt(l,10)||0;top+=parseInt(t,10)||0;}return results;};jQuery.fn.extend({position:function(){var left=0,top=0,results;if(this[0]){var offsetParent=this.offsetParent(),offset=this.offset(),parentOffset=/^body|html$/i.test(offsetParent[0].tagName)?{top:0,left:0}:offsetParent.offset();offset.top-=num(this,'marginTop');offset.left-=num(this,'marginLeft');parentOffset.top+=num(offsetParent,'borderTopWidth');parentOffset.left+=num(offsetParent,'borderLeftWidth');results={top:offset.top-parentOffset.top,left:offset.left-parentOffset.left};}return results;},offsetParent:function(){var offsetParent=this[0].offsetParent;while(offsetParent&&(!/^body|html$/i.test(offsetParent.tagName)&&jQuery.css(offsetParent,'position')=='static'))offsetParent=offsetParent.offsetParent;return jQuery(offsetParent);}});jQuery.each(['Left','Top'],function(i,name){var method='scroll'+name;jQuery.fn[method]=function(val){if(!this[0])return;return val!=undefined?this.each(function(){this==window||this==document?window.scrollTo(!i?val:jQuery(window).scrollLeft(),i?val:jQuery(window).scrollTop()):this[method]=val;}):this[0]==window||this[0]==document?self[i?'pageYOffset':'pageXOffset']||jQuery.boxModel&&document.documentElement[method]||document.body[method]:this[0][method];};});jQuery.each(["Height","Width"],function(i,name){var tl=i?"Left":"Top",br=i?"Right":"Bottom";jQuery.fn["inner"+name]=function(){return this[name.toLowerCase()]()+num(this,"padding"+tl)+num(this,"padding"+br);};jQuery.fn["outer"+name]=function(margin){return this["inner"+name]()+num(this,"border"+tl+"Width")+num(this,"border"+br+"Width")+(margin?num(this,"margin"+tl)+num(this,"margin"+br):0);};});
 };