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commit ccea0657d0acf1e0ff5ee7da2947dd290aa472c6 0 parents
David Trejo authored August 14, 2010
5  README.textile
Source Rendered
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+h1. Hacker News Hotkeys
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+
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+You can find the extension here: http://blog.dtrejo.com/hotkeys-for-hacker-news
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+
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+This extension uses jQuery to add hotkeys to news.ycombinator.com
27  background.html
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+<html>
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+<head>
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+
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+<script type="text/javascript">
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+
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+chrome.extension.onRequest.addListener(
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+  function(request, sender, sendResponse) {
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+  	// if (request.localstorage == "gmail")
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+  	//   sendResponse({style: localStorage.email});
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+  	// else 
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+  	// Open a new friggin tab.
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+  	if (request.opentab) {
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+  		chrome.tabs.create({
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+  			url: request.opentab
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+  		});
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+  		sendResponse({});
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+  	} else {
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+  		sendResponse({}); // snub them.
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+  	}
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+  });
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+
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+</script>
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+</head>
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+
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+<body></body>
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+
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+</html>
3  hnkeys.css
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+.active {
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+  background-color: #E1F6C4;
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+}
164  hnkeys.js
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+function page(){
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+  return window.location.pathname;
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+}
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+
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+
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+function moveDown (selectables, cur) {
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+  cur = (cur + 1 > selectables.size() - 1) ? selectables.size() - 1 : cur + 1;
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+  select(selectables.eq(cur));
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+  return cur;
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+}
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+
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+
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+function moveUp (selectables, cur) {
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+  cur = (cur - 1 < 0) ? 0 : cur - 1;
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+  select(selectables.eq(cur));
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+  return cur;
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+}
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+
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+
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+// highlights the curth item of rows jquery object
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+// scrollToIt is an optional parameter. Defaults to true.
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+function select (row, scrollToIt) {
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+  scrollToIt = (typeof scrollToIt == 'undefined') ? true : scrollToIt;
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+  
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+  $('.active').removeClass('active');
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+  row.next().andSelf().addClass('active');
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+  
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+  // scroll to middle of screen, like google does.
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+  if(scrollToIt && !isScrolledIntoView(row)) {
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+    $('html, body').animate({scrollTop: row.offset().top - 0.5 * $(window).height() }, 0);
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+  }
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+}
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+
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+
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+// Returns true if on the viewer's screen
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+function isScrolledIntoView (el) {
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+  var docViewTop = $(window).scrollTop()
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+    , docViewBottom = docViewTop + $(window).height()
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+    
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+    , elemTop = el.offset().top
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+    , elemBottom = elemTop + el.height();
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+
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+  return ((elemBottom >= docViewTop) && (elemTop <= docViewBottom)
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+    && (elemBottom <= docViewBottom) &&  (elemTop >= docViewTop) );
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+}
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+
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+
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+// Opens comment link in selected row in new tab
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+// If row only contains 'more' link, opens that in same tab
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+function openComments (titlerow) {
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+  var link
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+    , path = window.location.pathname;
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+  
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+  // Items pages — when title is selected, opens the article
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+  if (path === '/item') {
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+    link = titlerow.find('.title a').first();
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+    link && chrome.extension.sendRequest({opentab: link.attr('href')});
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+    console.log('tried to open '+link.text());
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+    
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+  // Front page and other pages — warning: may be broken on other pages
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+  } else if (path === '/news' || path === '/' || path.indexOf('/x') > 0) {
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+    // 'comments' link
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+    link = titlerow.next().find('a[href^=item]').first();
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+    
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+    // handle 'more' link
  66
+    if (link.size() < 1) {
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+      link = titlerow.find('a[href^=/x]').first();
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+      console.log(link.text());
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+      window.location = 'http://news.ycombinator.com'+ link.attr('href');
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+    } else {
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+      console.log('opened');
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+      chrome.extension.sendRequest({opentab: 'http://news.ycombinator.com/'+ link.attr('href')});
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+    }
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+  }
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+}
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+
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+
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+// Clicks reply link or focuses textarea if title is selected.
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+function reply (row) {
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+  var link = row.find('a[href^=reply]:visible')
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+                .last() // won't choose one entered by commenter
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+    , textarea = row.parent().find('textarea[name=text]')
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+                             .first();
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+
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+  if (link.size() === 1) {
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+    window.location = link.attr('href');
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+    console.log(link);
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+
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+  // focus reply box when title link selected on comment page
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+  } else if (textarea.size() === 1) {
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+    textarea.bind('keydown', 'esc', function() { textarea.blur(); });
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+    textarea.parent().bind('keydown', 'return', function(e) { e.stopPropagation(); });
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+      
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+    textarea.size() === 1 && textarea.focus();
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+    console.log(textarea);
  96
+  }
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+}
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+
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+function upvote (commentrow) {
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+  var link = commentrow.find('a[href*=dir=up]:visible').first();
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+  link && link.click();
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+  console.log(link.attr('href'));
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+}
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+
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+function downvote (commentrow) {
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+  var link = commentrow.find('a[href*=dir=down]:visible').first();
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+  link && link.click();
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+  console.log(link.attr('href'));
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+}
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+
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+// Handle them keypresses!
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+$(document).ready(function(){
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+  // Add support for other styles
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+  var style = 'gmail'
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+  , cur = 0 // current item
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+  , titletables = $('table:eq(2) tr:has(.title)') // any titles present on page
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+  , commenttables = $('table:gt(3):has(.default)') // any comments on page. returns nothing on home page
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+  , selectables = titletables.add(commenttables)
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+  
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+  , combos =  [ { key: "j"
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+                , handler: function() { cur = moveDown(selectables, cur); }
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+                }
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+              , { key: "k"
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+                , handler: function() { cur = moveUp(selectables, cur); }
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+                }
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+              , { key: "o"
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+                , handler: function() { openComments(selectables.eq(cur)); }
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+                }
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+              , { key: "return"
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+                , handler: function() { openComments(selectables.eq(cur)); }
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+                }
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+              , { key: "r"
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+                , handler: function() { reply(selectables.eq(cur)); return false; }
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+                }
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+              , { key: "w"
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+                , handler: function() { upvote(selectables.eq(cur)); }
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+                }
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+              , { key: "s"
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+                , handler: function() { downvote(selectables.eq(cur)); }
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+                }
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+              ]
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+  , combo;
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+   
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+  // $(expression).bind(types, keys, handler);
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+  // $(expression).unbind(types, handler);
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+  // $(document).bind('keydown', 'ctrl+a', fn);
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+  for (i in combos) {
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+    combo = combos[i];
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+    $(document).bind('keydown', combo.key, combo.handler);
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+  }
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+  
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+  // Highlight the first thing on the page, but doesn't scroll to it
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+  select(selectables.eq(cur), false);
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+  
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+  // focuses textarea if reply page
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+  if(window.location.pathname.indexOf('/reply') > 0){
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+    $('textarea').focus();
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+  }
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+
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+  // So cells don't show when highlighted
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+  $('table').attr('cellspacing', 0)
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+            .attr('cellpadding', 0);
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+});
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+
BIN  images/hnkeys128.png
BIN  images/hnkeys16.png
BIN  images/hnkeys32.png
BIN  images/hnkeys48.png
154  lib/jquery-1.4.2.min.js
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+/*!
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+ * jQuery JavaScript Library v1.4.2
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+ * http://jquery.com/
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+ *
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+ * Copyright 2010, John Resig
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+ * Dual licensed under the MIT or GPL Version 2 licenses.
  7
+ * http://jquery.org/license
  8
+ *
  9
+ * Includes Sizzle.js
  10
+ * http://sizzlejs.com/
  11
+ * Copyright 2010, The Dojo Foundation
  12
+ * Released under the MIT, BSD, and GPL Licenses.
  13
+ *
  14
+ * Date: Sat Feb 13 22:33:48 2010 -0500
  15
+ */
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+(function(A,w){function ma(){if(!c.isReady){try{s.documentElement.doScroll("left")}catch(a){setTimeout(ma,1);return}c.ready()}}function Qa(a,b){b.src?c.ajax({url:b.src,async:false,dataType:"script"}):c.globalEval(b.text||b.textContent||b.innerHTML||"");b.parentNode&&b.parentNode.removeChild(b)}function X(a,b,d,f,e,j){var i=a.length;if(typeof b==="object"){for(var o in b)X(a,o,b[o],f,e,d);return a}if(d!==w){f=!j&&f&&c.isFunction(d);for(o=0;o<i;o++)e(a[o],b,f?d.call(a[o],o,e(a[o],b)):d,j);return a}return i?
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+"olddisplay",c.css(this[a],"display"))}a=0;for(b=this.length;a<b;a++)this[a].style.display="none";return this}},_toggle:c.fn.toggle,toggle:function(a,b){var d=typeof a==="boolean";if(c.isFunction(a)&&c.isFunction(b))this._toggle.apply(this,arguments);else a==null||d?this.each(function(){var f=d?a:c(this).is(":hidden");c(this)[f?"show":"hide"]()}):this.animate(K("toggle",3),a,b);return this},fadeTo:function(a,b,d){return this.filter(":hidden").css("opacity",0).show().end().animate({opacity:b},a,d)},
  136
+animate:function(a,b,d,f){var e=c.speed(b,d,f);if(c.isEmptyObject(a))return this.each(e.complete);return this[e.queue===false?"each":"queue"](function(){var j=c.extend({},e),i,o=this.nodeType===1&&c(this).is(":hidden"),k=this;for(i in a){var n=i.replace(ia,ja);if(i!==n){a[n]=a[i];delete a[i];i=n}if(a[i]==="hide"&&o||a[i]==="show"&&!o)return j.complete.call(this);if((i==="height"||i==="width")&&this.style){j.display=c.css(this,"display");j.overflow=this.style.overflow}if(c.isArray(a[i])){(j.specialEasing=
  137
+j.specialEasing||{})[i]=a[i][1];a[i]=a[i][0]}}if(j.overflow!=null)this.style.overflow="hidden";j.curAnim=c.extend({},a);c.each(a,function(r,u){var z=new c.fx(k,j,r);if(Ab.test(u))z[u==="toggle"?o?"show":"hide":u](a);else{var C=Bb.exec(u),B=z.cur(true)||0;if(C){u=parseFloat(C[2]);var E=C[3]||"px";if(E!=="px"){k.style[r]=(u||1)+E;B=(u||1)/z.cur(true)*B;k.style[r]=B+E}if(C[1])u=(C[1]==="-="?-1:1)*u+B;z.custom(B,u,E)}else z.custom(B,u,"")}});return true})},stop:function(a,b){var d=c.timers;a&&this.queue([]);
  138
+this.each(function(){for(var f=d.length-1;f>=0;f--)if(d[f].elem===this){b&&d[f](true);d.splice(f,1)}});b||this.dequeue();return this}});c.each({slideDown:K("show",1),slideUp:K("hide",1),slideToggle:K("toggle",1),fadeIn:{opacity:"show"},fadeOut:{opacity:"hide"}},function(a,b){c.fn[a]=function(d,f){return this.animate(b,d,f)}});c.extend({speed:function(a,b,d){var f=a&&typeof a==="object"?a:{complete:d||!d&&b||c.isFunction(a)&&a,duration:a,easing:d&&b||b&&!c.isFunction(b)&&b};f.duration=c.fx.off?0:typeof f.duration===
  139
+"number"?f.duration:c.fx.speeds[f.duration]||c.fx.speeds._default;f.old=f.complete;f.complete=function(){f.queue!==false&&c(this).dequeue();c.isFunction(f.old)&&f.old.call(this)};return f},easing:{linear:function(a,b,d,f){return d+f*a},swing:function(a,b,d,f){return(-Math.cos(a*Math.PI)/2+0.5)*f+d}},timers:[],fx:function(a,b,d){this.options=b;this.elem=a;this.prop=d;if(!b.orig)b.orig={}}});c.fx.prototype={update:function(){this.options.step&&this.options.step.call(this.elem,this.now,this);(c.fx.step[this.prop]||
  140
+c.fx.step._default)(this);if((this.prop==="height"||this.prop==="width")&&this.elem.style)this.elem.style.display="block"},cur:function(a){if(this.elem[this.prop]!=null&&(!this.elem.style||this.elem.style[this.prop]==null))return this.elem[this.prop];return(a=parseFloat(c.css(this.elem,this.prop,a)))&&a>-10000?a:parseFloat(c.curCSS(this.elem,this.prop))||0},custom:function(a,b,d){function f(j){return e.step(j)}this.startTime=J();this.start=a;this.end=b;this.unit=d||this.unit||"px";this.now=this.start;
  141
+this.pos=this.state=0;var e=this;f.elem=this.elem;if(f()&&c.timers.push(f)&&!W)W=setInterval(c.fx.tick,13)},show:function(){this.options.orig[this.prop]=c.style(this.elem,this.prop);this.options.show=true;this.custom(this.prop==="width"||this.prop==="height"?1:0,this.cur());c(this.elem).show()},hide:function(){this.options.orig[this.prop]=c.style(this.elem,this.prop);this.options.hide=true;this.custom(this.cur(),0)},step:function(a){var b=J(),d=true;if(a||b>=this.options.duration+this.startTime){this.now=
  142
+this.end;this.pos=this.state=1;this.update();this.options.curAnim[this.prop]=true;for(var f in this.options.curAnim)if(this.options.curAnim[f]!==true)d=false;if(d){if(this.options.display!=null){this.elem.style.overflow=this.options.overflow;a=c.data(this.elem,"olddisplay");this.elem.style.display=a?a:this.options.display;if(c.css(this.elem,"display")==="none")this.elem.style.display="block"}this.options.hide&&c(this.elem).hide();if(this.options.hide||this.options.show)for(var e in this.options.curAnim)c.style(this.elem,
  143
+e,this.options.orig[e]);this.options.complete.call(this.elem)}return false}else{e=b-this.startTime;this.state=e/this.options.duration;a=this.options.easing||(c.easing.swing?"swing":"linear");this.pos=c.easing[this.options.specialEasing&&this.options.specialEasing[this.prop]||a](this.state,e,0,1,this.options.duration);this.now=this.start+(this.end-this.start)*this.pos;this.update()}return true}};c.extend(c.fx,{tick:function(){for(var a=c.timers,b=0;b<a.length;b++)a[b]()||a.splice(b--,1);a.length||
  144
+c.fx.stop()},stop:function(){clearInterval(W);W=null},speeds:{slow:600,fast:200,_default:400},step:{opacity:function(a){c.style(a.elem,"opacity",a.now)},_default:function(a){if(a.elem.style&&a.elem.style[a.prop]!=null)a.elem.style[a.prop]=(a.prop==="width"||a.prop==="height"?Math.max(0,a.now):a.now)+a.unit;else a.elem[a.prop]=a.now}}});if(c.expr&&c.expr.filters)c.expr.filters.animated=function(a){return c.grep(c.timers,function(b){return a===b.elem}).length};c.fn.offset="getBoundingClientRect"in s.documentElement?
  145
+function(a){var b=this[0];if(a)return this.each(function(e){c.offset.setOffset(this,a,e)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return c.offset.bodyOffset(b);var d=b.getBoundingClientRect(),f=b.ownerDocument;b=f.body;f=f.documentElement;return{top:d.top+(self.pageYOffset||c.support.boxModel&&f.scrollTop||b.scrollTop)-(f.clientTop||b.clientTop||0),left:d.left+(self.pageXOffset||c.support.boxModel&&f.scrollLeft||b.scrollLeft)-(f.clientLeft||b.clientLeft||0)}}:function(a){var b=
  146
+this[0];if(a)return this.each(function(r){c.offset.setOffset(this,a,r)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return c.offset.bodyOffset(b);c.offset.initialize();var d=b.offsetParent,f=b,e=b.ownerDocument,j,i=e.documentElement,o=e.body;f=(e=e.defaultView)?e.getComputedStyle(b,null):b.currentStyle;for(var k=b.offsetTop,n=b.offsetLeft;(b=b.parentNode)&&b!==o&&b!==i;){if(c.offset.supportsFixedPosition&&f.position==="fixed")break;j=e?e.getComputedStyle(b,null):b.currentStyle;
  147
+k-=b.scrollTop;n-=b.scrollLeft;if(b===d){k+=b.offsetTop;n+=b.offsetLeft;if(c.offset.doesNotAddBorder&&!(c.offset.doesAddBorderForTableAndCells&&/^t(able|d|h)$/i.test(b.nodeName))){k+=parseFloat(j.borderTopWidth)||0;n+=parseFloat(j.borderLeftWidth)||0}f=d;d=b.offsetParent}if(c.offset.subtractsBorderForOverflowNotVisible&&j.overflow!=="visible"){k+=parseFloat(j.borderTopWidth)||0;n+=parseFloat(j.borderLeftWidth)||0}f=j}if(f.position==="relative"||f.position==="static"){k+=o.offsetTop;n+=o.offsetLeft}if(c.offset.supportsFixedPosition&&
  148
+f.position==="fixed"){k+=Math.max(i.scrollTop,o.scrollTop);n+=Math.max(i.scrollLeft,o.scrollLeft)}return{top:k,left:n}};c.offset={initialize:function(){var a=s.body,b=s.createElement("div"),d,f,e,j=parseFloat(c.curCSS(a,"marginTop",true))||0;c.extend(b.style,{position:"absolute",top:0,left:0,margin:0,border:0,width:"1px",height:"1px",visibility:"hidden"});b.innerHTML="<div style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;'><div></div></div><table style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;' cellpadding='0' cellspacing='0'><tr><td></td></tr></table>";
  149
+a.insertBefore(b,a.firstChild);d=b.firstChild;f=d.firstChild;e=d.nextSibling.firstChild.firstChild;this.doesNotAddBorder=f.offsetTop!==5;this.doesAddBorderForTableAndCells=e.offsetTop===5;f.style.position="fixed";f.style.top="20px";this.supportsFixedPosition=f.offsetTop===20||f.offsetTop===15;f.style.position=f.style.top="";d.style.overflow="hidden";d.style.position="relative";this.subtractsBorderForOverflowNotVisible=f.offsetTop===-5;this.doesNotIncludeMarginInBodyOffset=a.offsetTop!==j;a.removeChild(b);
  150
+c.offset.initialize=c.noop},bodyOffset:function(a){var b=a.offsetTop,d=a.offsetLeft;c.offset.initialize();if(c.offset.doesNotIncludeMarginInBodyOffset){b+=parseFloat(c.curCSS(a,"marginTop",true))||0;d+=parseFloat(c.curCSS(a,"marginLeft",true))||0}return{top:b,left:d}},setOffset:function(a,b,d){if(/static/.test(c.curCSS(a,"position")))a.style.position="relative";var f=c(a),e=f.offset(),j=parseInt(c.curCSS(a,"top",true),10)||0,i=parseInt(c.curCSS(a,"left",true),10)||0;if(c.isFunction(b))b=b.call(a,
  151
+d,e);d={top:b.top-e.top+j,left:b.left-e.left+i};"using"in b?b.using.call(a,d):f.css(d)}};c.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),d=this.offset(),f=/^body|html$/i.test(b[0].nodeName)?{top:0,left:0}:b.offset();d.top-=parseFloat(c.curCSS(a,"marginTop",true))||0;d.left-=parseFloat(c.curCSS(a,"marginLeft",true))||0;f.top+=parseFloat(c.curCSS(b[0],"borderTopWidth",true))||0;f.left+=parseFloat(c.curCSS(b[0],"borderLeftWidth",true))||0;return{top:d.top-
  152
+f.top,left:d.left-f.left}},offsetParent:function(){return this.map(function(){for(var a=this.offsetParent||s.body;a&&!/^body|html$/i.test(a.nodeName)&&c.css(a,"position")==="static";)a=a.offsetParent;return a})}});c.each(["Left","Top"],function(a,b){var d="scroll"+b;c.fn[d]=function(f){var e=this[0],j;if(!e)return null;if(f!==w)return this.each(function(){if(j=wa(this))j.scrollTo(!a?f:c(j).scrollLeft(),a?f:c(j).scrollTop());else this[d]=f});else return(j=wa(e))?"pageXOffset"in j?j[a?"pageYOffset":
  153
+"pageXOffset"]:c.support.boxModel&&j.document.documentElement[d]||j.document.body[d]:e[d]}});c.each(["Height","Width"],function(a,b){var d=b.toLowerCase();c.fn["inner"+b]=function(){return this[0]?c.css(this[0],d,false,"padding"):null};c.fn["outer"+b]=function(f){return this[0]?c.css(this[0],d,false,f?"margin":"border"):null};c.fn[d]=function(f){var e=this[0];if(!e)return f==null?null:this;if(c.isFunction(f))return this.each(function(j){var i=c(this);i[d](f.call(this,j,i[d]()))});return"scrollTo"in
  154
+e&&e.document?e.document.compatMode==="CSS1Compat"&&e.document.documentElement["client"+b]||e.document.body["client"+b]:e.nodeType===9?Math.max(e.documentElement["client"+b],e.body["scroll"+b],e.documentElement["scroll"+b],e.body["offset"+b],e.documentElement["offset"+b]):f===w?c.css(e,d):this.css(d,typeof f==="string"?f:f+"px")}});A.jQuery=A.$=c})(window);
99  lib/jquery.hotkeys.js
... ...
@@ -0,0 +1,99 @@
  1
+/*
  2
+ * jQuery Hotkeys Plugin
  3
+ * Copyright 2010, John Resig
  4
+ * Dual licensed under the MIT or GPL Version 2 licenses.
  5
+ *
  6
+ * Based upon the plugin by Tzury Bar Yochay:
  7
+ * http://github.com/tzuryby/hotkeys
  8
+ *
  9
+ * Original idea by:
  10
+ * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
  11
+*/
  12
+
  13
+(function(jQuery){
  14
+	
  15
+	jQuery.hotkeys = {
  16
+		version: "0.8",
  17
+
  18
+		specialKeys: {
  19
+			8: "backspace", 9: "tab", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause",
  20
+			20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home",
  21
+			37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del", 
  22
+			96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5", 102: "6", 103: "7",
  23
+			104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: ".", 111 : "/", 
  24
+			112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8", 
  25
+			120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 191: "/", 224: "meta"
  26
+		},
  27
+	
  28
+		shiftNums: {
  29
+			"`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&", 
  30
+			"8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": "\"", ",": "<", 
  31
+			".": ">",  "/": "?",  "\\": "|"
  32
+		}
  33
+	};
  34
+
  35
+	function keyHandler( handleObj ) {
  36
+		// Only care when a possible input has been specified
  37
+		if ( typeof handleObj.data !== "string" ) {
  38
+			return;
  39
+		}
  40
+		
  41
+		var origHandler = handleObj.handler,
  42
+			keys = handleObj.data.toLowerCase().split(" ");
  43
+	
  44
+		handleObj.handler = function( event ) {
  45
+			// Don't fire in text-accepting inputs that we didn't directly bind to
  46
+			if ( this !== event.target && (/textarea|select/i.test( event.target.nodeName ) ||
  47
+				 event.target.type === "text") ) {
  48
+				return;
  49
+			}
  50
+			
  51
+			// Keypress represents characters, not special keys
  52
+			var special = event.type !== "keypress" && jQuery.hotkeys.specialKeys[ event.which ],
  53
+				character = String.fromCharCode( event.which ).toLowerCase(),
  54
+				key, modif = "", possible = {};
  55
+
  56
+			// check combinations (alt|ctrl|shift+anything)
  57
+			if ( event.altKey && special !== "alt" ) {
  58
+				modif += "alt+";
  59
+			}
  60
+
  61
+			if ( event.ctrlKey && special !== "ctrl" ) {
  62
+				modif += "ctrl+";
  63
+			}
  64
+			
  65
+			// TODO: Need to make sure this works consistently across platforms
  66
+			if ( event.metaKey && !event.ctrlKey && special !== "meta" ) {
  67
+				modif += "meta+";
  68
+			}
  69
+
  70
+			if ( event.shiftKey && special !== "shift" ) {
  71
+				modif += "shift+";
  72
+			}
  73
+
  74
+			if ( special ) {
  75
+				possible[ modif + special ] = true;
  76
+
  77
+			} else {
  78
+				possible[ modif + character ] = true;
  79
+				possible[ modif + jQuery.hotkeys.shiftNums[ character ] ] = true;
  80
+
  81
+				// "$" can be triggered as "Shift+4" or "Shift+$" or just "$"
  82
+				if ( modif === "shift+" ) {
  83
+					possible[ jQuery.hotkeys.shiftNums[ character ] ] = true;
  84
+				}
  85
+			}
  86
+
  87
+			for ( var i = 0, l = keys.length; i < l; i++ ) {
  88
+				if ( possible[ keys[i] ] ) {
  89
+					return origHandler.apply( this, arguments );
  90
+				}
  91
+			}
  92
+		};
  93
+	}
  94
+
  95
+	jQuery.each([ "keydown", "keyup", "keypress" ], function() {
  96
+		jQuery.event.special[ this ] = { add: keyHandler };
  97
+	});
  98
+
  99
+})( jQuery );
482  lib/json.js
... ...
@@ -0,0 +1,482 @@
  1
+/*
  2
+    http://www.JSON.org/json2.js
  3
+    2010-03-20
  4
+
  5
+    Public Domain.
  6
+
  7
+    NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
  8
+
  9
+    See http://www.JSON.org/js.html
  10
+
  11
+
  12
+    This code should be minified before deployment.
  13
+    See http://javascript.crockford.com/jsmin.html
  14
+
  15
+    USE YOUR OWN COPY. IT IS EXTREMELY UNWISE TO LOAD CODE FROM SERVERS YOU DO
  16
+    NOT CONTROL.
  17
+
  18
+
  19
+    This file creates a global JSON object containing two methods: stringify
  20
+    and parse.
  21
+
  22
+        JSON.stringify(value, replacer, space)
  23
+            value       any JavaScript value, usually an object or array.
  24
+
  25
+            replacer    an optional parameter that determines how object
  26
+                        values are stringified for objects. It can be a
  27
+                        function or an array of strings.
  28
+
  29
+            space       an optional parameter that specifies the indentation
  30
+                        of nested structures. If it is omitted, the text will
  31
+                        be packed without extra whitespace. If it is a number,
  32
+                        it will specify the number of spaces to indent at each
  33
+                        level. If it is a string (such as '\t' or '&nbsp;'),
  34
+                        it contains the characters used to indent at each level.
  35
+
  36
+            This method produces a JSON text from a JavaScript value.
  37
+
  38
+            When an object value is found, if the object contains a toJSON
  39
+            method, its toJSON method will be called and the result will be
  40
+            stringified. A toJSON method does not serialize: it returns the
  41
+            value represented by the name/value pair that should be serialized,
  42
+            or undefined if nothing should be serialized. The toJSON method
  43
+            will be passed the key associated with the value, and this will be
  44
+            bound to the value
  45
+
  46
+            For example, this would serialize Dates as ISO strings.
  47
+
  48
+                Date.prototype.toJSON = function (key) {
  49
+                    function f(n) {
  50
+                        // Format integers to have at least two digits.
  51
+                        return n < 10 ? '0' + n : n;
  52
+                    }
  53
+
  54
+                    return this.getUTCFullYear()   + '-' +
  55
+                         f(this.getUTCMonth() + 1) + '-' +
  56
+                         f(this.getUTCDate())      + 'T' +
  57
+                         f(this.getUTCHours())     + ':' +
  58
+                         f(this.getUTCMinutes())   + ':' +
  59
+                         f(this.getUTCSeconds())   + 'Z';
  60
+                };
  61
+
  62
+            You can provide an optional replacer method. It will be passed the
  63
+            key and value of each member, with this bound to the containing
  64
+            object. The value that is returned from your method will be
  65
+            serialized. If your method returns undefined, then the member will
  66
+            be excluded from the serialization.
  67
+
  68
+            If the replacer parameter is an array of strings, then it will be
  69
+            used to select the members to be serialized. It filters the results
  70
+            such that only members with keys listed in the replacer array are
  71
+            stringified.
  72
+
  73
+            Values that do not have JSON representations, such as undefined or
  74
+            functions, will not be serialized. Such values in objects will be
  75
+            dropped; in arrays they will be replaced with null. You can use
  76
+            a replacer function to replace those with JSON values.
  77
+            JSON.stringify(undefined) returns undefined.
  78
+
  79
+            The optional space parameter produces a stringification of the
  80
+            value that is filled with line breaks and indentation to make it
  81
+            easier to read.
  82
+
  83
+            If the space parameter is a non-empty string, then that string will
  84
+            be used for indentation. If the space parameter is a number, then
  85
+            the indentation will be that many spaces.
  86
+
  87
+            Example:
  88
+
  89
+            text = JSON.stringify(['e', {pluribus: 'unum'}]);
  90
+            // text is '["e",{"pluribus":"unum"}]'
  91
+
  92
+
  93
+            text = JSON.stringify(['e', {pluribus: 'unum'}], null, '\t');
  94
+            // text is '[\n\t"e",\n\t{\n\t\t"pluribus": "unum"\n\t}\n]'
  95
+
  96
+            text = JSON.stringify([new Date()], function (key, value) {
  97
+                return this[key] instanceof Date ?
  98
+                    'Date(' + this[key] + ')' : value;
  99
+            });
  100
+            // text is '["Date(---current time---)"]'
  101
+
  102
+
  103
+        JSON.parse(text, reviver)
  104
+            This method parses a JSON text to produce an object or array.
  105
+            It can throw a SyntaxError exception.
  106
+
  107
+            The optional reviver parameter is a function that can filter and
  108
+            transform the results. It receives each of the keys and values,
  109
+            and its return value is used instead of the original value.
  110
+            If it returns what it received, then the structure is not modified.
  111
+            If it returns undefined then the member is deleted.
  112
+
  113
+            Example:
  114
+
  115
+            // Parse the text. Values that look like ISO date strings will
  116
+            // be converted to Date objects.
  117
+
  118
+            myData = JSON.parse(text, function (key, value) {
  119
+                var a;
  120
+                if (typeof value === 'string') {
  121
+                    a =
  122
+/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)Z$/.exec(value);
  123
+                    if (a) {
  124
+                        return new Date(Date.UTC(+a[1], +a[2] - 1, +a[3], +a[4],
  125
+                            +a[5], +a[6]));
  126
+                    }
  127
+                }
  128
+                return value;
  129
+            });
  130
+
  131
+            myData = JSON.parse('["Date(09/09/2001)"]', function (key, value) {
  132
+                var d;
  133
+                if (typeof value === 'string' &&
  134
+                        value.slice(0, 5) === 'Date(' &&
  135
+                        value.slice(-1) === ')') {
  136
+                    d = new Date(value.slice(5, -1));
  137
+                    if (d) {
  138
+                        return d;
  139
+                    }
  140
+                }
  141
+                return value;
  142
+            });
  143
+
  144
+
  145
+    This is a reference implementation. You are free to copy, modify, or
  146
+    redistribute.
  147
+*/
  148
+
  149
+/*jslint evil: true, strict: false */
  150
+
  151
+/*members "", "\b", "\t", "\n", "\f", "\r", "\"", JSON, "\\", apply,
  152
+    call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours,
  153
+    getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join,
  154
+    lastIndex, length, parse, prototype, push, replace, slice, stringify,
  155
+    test, toJSON, toString, valueOf
  156
+*/
  157
+
  158
+
  159
+// Create a JSON object only if one does not already exist. We create the
  160
+// methods in a closure to avoid creating global variables.
  161
+
  162
+if (!this.JSON) {
  163
+    this.JSON = {};
  164
+}
  165
+
  166
+(function () {
  167
+
  168
+    function f(n) {
  169
+        // Format integers to have at least two digits.
  170
+        return n < 10 ? '0' + n : n;
  171
+    }
  172
+
  173
+    if (typeof Date.prototype.toJSON !== 'function') {
  174
+
  175
+        Date.prototype.toJSON = function (key) {
  176
+
  177
+            return isFinite(this.valueOf()) ?
  178
+                   this.getUTCFullYear()   + '-' +
  179
+                 f(this.getUTCMonth() + 1) + '-' +
  180
+                 f(this.getUTCDate())      + 'T' +
  181
+                 f(this.getUTCHours())     + ':' +
  182
+                 f(this.getUTCMinutes())   + ':' +
  183
+                 f(this.getUTCSeconds())   + 'Z' : null;
  184
+        };
  185
+
  186
+        String.prototype.toJSON =
  187
+        Number.prototype.toJSON =
  188
+        Boolean.prototype.toJSON = function (key) {
  189
+            return this.valueOf();
  190
+        };
  191
+    }
  192
+
  193
+    var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
  194
+        escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
  195
+        gap,
  196
+        indent,
  197
+        meta = {    // table of character substitutions
  198
+            '\b': '\\b',
  199
+            '\t': '\\t',
  200
+            '\n': '\\n',
  201
+            '\f': '\\f',
  202
+            '\r': '\\r',
  203
+            '"' : '\\"',
  204
+            '\\': '\\\\'
  205
+        },
  206
+        rep;
  207
+
  208
+
  209
+    function quote(string) {
  210
+
  211
+// If the string contains no control characters, no quote characters, and no
  212
+// backslash characters, then we can safely slap some quotes around it.
  213
+// Otherwise we must also replace the offending characters with safe escape
  214
+// sequences.
  215
+
  216
+        escapable.lastIndex = 0;
  217
+        return escapable.test(string) ?
  218
+            '"' + string.replace(escapable, function (a) {
  219
+                var c = meta[a];
  220
+                return typeof c === 'string' ? c :
  221
+                    '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
  222
+            }) + '"' :
  223
+            '"' + string + '"';
  224
+    }
  225
+
  226
+
  227
+    function str(key, holder) {
  228
+
  229
+// Produce a string from holder[key].
  230
+
  231
+        var i,          // The loop counter.
  232
+            k,          // The member key.
  233
+            v,          // The member value.
  234
+            length,
  235
+            mind = gap,
  236
+            partial,
  237
+            value = holder[key];
  238
+
  239
+// If the value has a toJSON method, call it to obtain a replacement value.
  240
+
  241
+        if (value && typeof value === 'object' &&
  242
+                typeof value.toJSON === 'function') {
  243
+            value = value.toJSON(key);
  244
+        }
  245
+
  246
+// If we were called with a replacer function, then call the replacer to
  247
+// obtain a replacement value.
  248
+
  249
+        if (typeof rep === 'function') {
  250
+            value = rep.call(holder, key, value);
  251
+        }
  252
+
  253
+// What happens next depends on the value's type.
  254
+
  255
+        switch (typeof value) {
  256
+        case 'string':
  257
+            return quote(value);
  258
+
  259
+        case 'number':
  260
+
  261
+// JSON numbers must be finite. Encode non-finite numbers as null.
  262
+
  263
+            return isFinite(value) ? String(value) : 'null';
  264
+
  265
+        case 'boolean':
  266
+        case 'null':
  267
+
  268
+// If the value is a boolean or null, convert it to a string. Note:
  269
+// typeof null does not produce 'null'. The case is included here in
  270
+// the remote chance that this gets fixed someday.
  271
+
  272
+            return String(value);
  273
+
  274
+// If the type is 'object', we might be dealing with an object or an array or
  275
+// null.
  276
+
  277
+        case 'object':
  278
+
  279
+// Due to a specification blunder in ECMAScript, typeof null is 'object',
  280
+// so watch out for that case.
  281
+
  282
+            if (!value) {
  283
+                return 'null';
  284
+            }
  285
+
  286
+// Make an array to hold the partial results of stringifying this object value.
  287
+
  288
+            gap += indent;
  289
+            partial = [];
  290
+
  291
+// Is the value an array?
  292
+
  293
+            if (Object.prototype.toString.apply(value) === '[object Array]') {
  294
+
  295
+// The value is an array. Stringify every element. Use null as a placeholder
  296
+// for non-JSON values.
  297
+
  298
+                length = value.length;
  299
+                for (i = 0; i < length; i += 1) {
  300
+                    partial[i] = str(i, value) || 'null';
  301
+                }
  302
+
  303
+// Join all of the elements together, separated with commas, and wrap them in
  304
+// brackets.
  305
+
  306
+                v = partial.length === 0 ? '[]' :
  307
+                    gap ? '[\n' + gap +
  308
+                            partial.join(',\n' + gap) + '\n' +
  309
+                                mind + ']' :
  310
+                          '[' + partial.join(',') + ']';
  311
+                gap = mind;
  312
+                return v;
  313
+            }
  314
+
  315
+// If the replacer is an array, use it to select the members to be stringified.
  316
+
  317
+            if (rep && typeof rep === 'object') {
  318
+                length = rep.length;
  319
+                for (i = 0; i < length; i += 1) {
  320
+                    k = rep[i];
  321
+                    if (typeof k === 'string') {
  322
+                        v = str(k, value);
  323
+                        if (v) {
  324
+                            partial.push(quote(k) + (gap ? ': ' : ':') + v);
  325
+                        }
  326
+                    }
  327
+                }
  328
+            } else {
  329
+
  330
+// Otherwise, iterate through all of the keys in the object.
  331
+
  332
+                for (k in value) {
  333
+                    if (Object.hasOwnProperty.call(value, k)) {
  334
+                        v = str(k, value);
  335
+                        if (v) {
  336
+                            partial.push(quote(k) + (gap ? ': ' : ':') + v);
  337
+                        }
  338
+                    }
  339
+                }
  340
+            }
  341
+
  342
+// Join all of the member texts together, separated with commas,
  343
+// and wrap them in braces.
  344
+
  345
+            v = partial.length === 0 ? '{}' :
  346
+                gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' +
  347
+                        mind + '}' : '{' + partial.join(',') + '}';
  348
+            gap = mind;
  349
+            return v;
  350
+        }
  351
+    }
  352
+
  353
+// If the JSON object does not yet have a stringify method, give it one.
  354
+
  355
+    if (typeof JSON.stringify !== 'function') {
  356
+        JSON.stringify = function (value, replacer, space) {
  357
+
  358
+// The stringify method takes a value and an optional replacer, and an optional
  359
+// space parameter, and returns a JSON text. The replacer can be a function
  360
+// that can replace values, or an array of strings that will select the keys.
  361
+// A default replacer method can be provided. Use of the space parameter can
  362
+// produce text that is more easily readable.
  363
+
  364
+            var i;
  365
+            gap = '';
  366
+            indent = '';
  367
+
  368
+// If the space parameter is a number, make an indent string containing that
  369
+// many spaces.
  370
+
  371
+            if (typeof space === 'number') {
  372
+                for (i = 0; i < space; i += 1) {
  373
+                    indent += ' ';
  374
+                }
  375
+
  376
+// If the space parameter is a string, it will be used as the indent string.
  377
+
  378
+            } else if (typeof space === 'string') {
  379
+                indent = space;
  380
+            }
  381
+
  382
+// If there is a replacer, it must be a function or an array.
  383
+// Otherwise, throw an error.
  384
+
  385
+            rep = replacer;
  386
+            if (replacer && typeof replacer !== 'function' &&
  387
+                    (typeof replacer !== 'object' ||
  388
+                     typeof replacer.length !== 'number')) {
  389
+                throw new Error('JSON.stringify');
  390
+            }
  391
+
  392
+// Make a fake root object containing our value under the key of ''.
  393
+// Return the result of stringifying the value.
  394
+
  395
+            return str('', {'': value});
  396
+        };
  397
+    }
  398
+
  399
+
  400
+// If the JSON object does not yet have a parse method, give it one.
  401
+
  402
+    if (typeof JSON.parse !== 'function') {
  403
+        JSON.parse = function (text, reviver) {
  404
+
  405
+// The parse method takes a text and an optional reviver function, and returns
  406
+// a JavaScript value if the text is a valid JSON text.
  407
+
  408
+            var j;
  409
+
  410
+            function walk(holder, key) {
  411
+
  412
+// The walk method is used to recursively walk the resulting structure so
  413
+// that modifications can be made.
  414
+
  415
+                var k, v, value = holder[key];
  416
+                if (value && typeof value === 'object') {
  417
+                    for (k in value) {
  418
+                        if (Object.hasOwnProperty.call(value, k)) {
  419
+                            v = walk(value, k);
  420
+                            if (v !== undefined) {
  421
+                                value[k] = v;
  422
+                            } else {
  423
+                                delete value[k];
  424
+                            }
  425
+                        }
  426
+                    }
  427
+                }
  428
+                return reviver.call(holder, key, value);
  429
+            }
  430
+
  431
+
  432
+// Parsing happens in four stages. In the first stage, we replace certain
  433
+// Unicode characters with escape sequences. JavaScript handles many characters
  434
+// incorrectly, either silently deleting them, or treating them as line endings.
  435
+
  436
+            text = String(text);
  437
+            cx.lastIndex = 0;
  438
+            if (cx.test(text)) {
  439
+                text = text.replace(cx, function (a) {
  440
+                    return '\\u' +
  441
+                        ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
  442
+                });
  443
+            }
  444
+
  445
+// In the second stage, we run the text against regular expressions that look
  446
+// for non-JSON patterns. We are especially concerned with '()' and 'new'
  447
+// because they can cause invocation, and '=' because it can cause mutation.
  448
+// But just to be safe, we want to reject all unexpected forms.
  449
+
  450
+// We split the second stage into 4 regexp operations in order to work around
  451
+// crippling inefficiencies in IE's and Safari's regexp engines. First we
  452
+// replace the JSON backslash pairs with '@' (a non-JSON character). Second, we
  453
+// replace all simple value tokens with ']' characters. Third, we delete all
  454
+// open brackets that follow a colon or comma or that begin the text. Finally,
  455
+// we look to see that the remaining characters are only whitespace or ']' or
  456
+// ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval.
  457
+
  458
+            if (/^[\],:{}\s]*$/.
  459
+test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').
  460
+replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
  461
+replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
  462
+
  463
+// In the third stage we use the eval function to compile the text into a
  464
+// JavaScript structure. The '{' operator is subject to a syntactic ambiguity
  465
+// in JavaScript: it can begin a block or an object literal. We wrap the text
  466
+// in parens to eliminate the ambiguity.
  467
+
  468
+                j = eval('(' + text + ')');
  469
+
  470
+// In the optional fourth stage, we recursively walk the new structure, passing
  471
+// each name/value pair to a reviver function for possible transformation.
  472
+
  473
+                return typeof reviver === 'function' ?
  474
+                    walk({'': j}, '') : j;
  475
+            }
  476
+
  477
+// If the text is not JSON parseable, then a SyntaxError is thrown.
  478
+
  479
+            throw new SyntaxError('JSON.parse');
  480
+        };
  481
+    }
  482
+}());
74  lib/store.js
... ...
@@ -0,0 +1,74 @@
  1
+/*documentation: http://github.com/marcuswestin/store.js*/
  2
+var store = (function(){
  3
+	var api = {},
  4
+		win = window,
  5
+		doc = win.document,
  6
+		localStorageName = 'localStorage',
  7
+		globalStorageName = 'globalStorage',
  8
+		storage
  9
+	
  10
+	api.set = function(key, value) {}
  11
+	api.get = function(key) {}
  12
+	api.remove = function(key) {}
  13
+	api.clear = function() {}
  14
+	
  15
+	function serialize(value) {
  16
+		return JSON.stringify(value)
  17
+	}
  18
+	function deserialize(value) { 
  19
+		if (typeof value != 'string') { return undefined }
  20
+		return JSON.parse(value)
  21
+	}
  22
+
  23
+	if (localStorageName in win && win[localStorageName]) {
  24
+		storage = win[localStorageName]
  25
+		api.set = function(key, val) { storage[key] = serialize(val) }
  26
+		api.get = function(key) { return deserialize(storage[key]) }
  27
+		api.remove = function(key) { delete storage[key] }
  28
+		api.clear = function() { storage.clear() }
  29
+
  30
+	} else if (globalStorageName in win && win[globalStorageName]) {
  31
+		storage = win[globalStorageName][win.location.hostname]
  32
+		api.set = function(key, val) { storage[key] = serialize(val) }
  33
+		api.get = function(key) { return deserialize(storage[key] && storage[key].value) }
  34
+		api.remove = function(key) { delete storage[key] }
  35
+		api.clear = function() { for (var key in storage ) { delete storage[key] } }
  36
+
  37
+	} else if (doc.documentElement.addBehavior) {
  38
+		function getStorage() {
  39
+			if (storage) { return storage; }
  40
+			storage = doc.body.appendChild(doc.createElement('div'))
  41
+			storage.style.display = 'none'
  42
+			// See http://msdn.microsoft.com/en-us/library/ms531081(v=VS.85).aspx
  43
+			// and http://msdn.microsoft.com/en-us/library/ms531424(v=VS.85).aspx
  44
+			storage.addBehavior('#default#userData') 
  45
+			storage.load(localStorageName)
  46
+			return storage;
  47
+		}
  48
+		api.set = function(key, val) {
  49
+			var storage = getStorage()
  50
+			storage.setAttribute(key, serialize(val))
  51
+			storage.save(localStorageName)
  52
+		}
  53
+		api.get = function(key) {
  54
+			var storage = getStorage()
  55
+			return deserialize(storage.getAttribute(key))
  56
+		}
  57
+		api.remove = function(key) {
  58
+			var storage = getStorage()
  59
+			storage.removeAttribute(key)
  60
+			storage.save(localStorageName)
  61
+		}
  62
+		api.clear = function() {
  63
+			var storage = getStorage()
  64
+			var attributes = storage.XMLDocument.documentElement.attributes;
  65
+			storage.load(localStorageName)
  66
+			for (var i=0, attr; attr = attributes[i]; i++) {
  67
+				storage.removeAttribute(attr.name)
  68
+			}
  69
+			storage.save(localStorageName)
  70
+		}
  71
+	}
  72
+	
  73
+	return api
  74
+})()
28  manifest.json
... ...
@@ -0,0 +1,28 @@
  1
+{ "name": "Hacker News Hotkeys"
  2
+
  3
+, "version": "0.1"
  4
+
  5
+, "description": "Gmail style hotkeys for Hacker News. Want Vim or Emacs style? 
  6
+                  Pay me or bother me :) — dtrejo@cs.brown.ēđū"
  7
+
  8
+, "browser_action": { "default_icon": "images/hnkeys128.png" }
  9
+
  10
+, "background_page": "background.html"
  11
+
  12
+, "permissions": [ "tabs" ]
  13
+
  14
+, "browser_action": { "default_icon": "images/hnkeys128.png"
  15
+                    , "popup": "popup.html"
  16
+                    }
  17
+    
  18
+, "icons": { "16": "images/hnkeys16.png"
  19
+           , "32": "images/hnkeys32.png"
  20
+           , "48": "images/hnkeys48.png"
  21
+           , "128": "images/hnkeys128.png" 
  22
+           }
  23
+
  24
+, "content_scripts": [{ "matches": ["http://news.ycombinator.com/*"]
  25
+                      , "css": ["hnkeys.css"]
  26
+                      , "js": ["lib/jquery-1.4.2.min.js", "lib/jquery.hotkeys.js", "hnkeys.js"]
  27
+                      }]
  28
+}
58  popup.html
... ...
@@ -0,0 +1,58 @@

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