function addToolbar()

in _content/talks/2010/support/slidy.js [1959:2130]

• 126 lines of code
• 7 McCabe index (conditional complexity)

function addToolbar()
{
   var slideCounter, page;

   var toolbar = createElement("div");
   toolbar.setAttribute("class", "toolbar");

   if (ns_pos) // a reasonably behaved browser
   {
      var right = document.createElement("div");
      right.setAttribute("style", "float: right; text-align: right");

      slideCounter = document.createElement("div")
      slideCounter.innerHTML = "slide".localize() + " n/m";
      right.appendChild(slideCounter);
      toolbar.appendChild(right);

      var left = document.createElement("div");
      left.setAttribute("style", "text-align: left");

      // global end of slide indicator
      eos = document.createElement("span");
      eos.innerHTML = "* ";
      left.appendChild(eos);

      var help = document.createElement("a");
      help.setAttribute("href", helpPage);
      help.setAttribute("title", helpText.localize());
      help.innerHTML = "help?".localize();
      left.appendChild(help);
      helpAnchor = help;  // save for focus hack

      var gap1 = document.createTextNode(" ");
      left.appendChild(gap1);

      var contents = document.createElement("a");
      contents.setAttribute("href", "javascript:toggleTableOfContents()");
      contents.setAttribute("title", "table of contents".localize());
      contents.innerHTML = "contents?".localize();
      left.appendChild(contents);

      var gap2 = document.createTextNode(" ");
      left.appendChild(gap2);

      var i = location.href.indexOf("#");

      // check if anchor is entire page

      if (i > 0)
         page = location.href.substr(0, i);
      else
         page = location.href;

      var start = document.createElement("a");
      start.setAttribute("href", page);
      start.setAttribute("title", "restart presentation".localize());
      start.innerHTML = "restart?".localize();
//    start.setAttribute("href", "javascript:printSlides()");
//    start.setAttribute("title", "print all slides".localize());
//    start.innerHTML = "print!".localize();
      left.appendChild(start);

      var copyright = findCopyright();

      if (copyright)
      {
         var span = document.createElement("span");
         span.innerHTML = copyright;
         span.style.color = "black";
         span.style.marginLeft = "4em";
         left.appendChild(span);
      }

      toolbar.appendChild(left);
   }
   else // IE so need to work around its poor CSS support
   {
      toolbar.style.position = (ie7 ? "fixed" : "absolute");
      toolbar.style.zIndex = "200";
      toolbar.style.width = "99.9%";
      toolbar.style.height = "1.2em";
      toolbar.style.top = "auto";
      toolbar.style.bottom = "0";
      toolbar.style.left = "0";
      toolbar.style.right = "0";
      toolbar.style.textAlign = "left";
      toolbar.style.fontSize = "60%";
      toolbar.style.color = "red";
      toolbar.borderWidth = 0;
      toolbar.style.background = "rgb(240,240,240)";

      // would like to have help text left aligned
      // and page counter right aligned, floating
      // div's don't work, so instead use nested
      // absolutely positioned div's.

      var sp = document.createElement("span");
      sp.innerHTML = "  * ";
      toolbar.appendChild(sp);
      eos = sp;  // end of slide indicator

      var help = document.createElement("a");
      help.setAttribute("href", helpPage);
      help.setAttribute("title", helpText.localize());
      help.innerHTML = "help?".localize();
      toolbar.appendChild(help);
      helpAnchor = help;  // save for focus hack

      var gap1 = document.createTextNode(" ");
      toolbar.appendChild(gap1);

      var contents = document.createElement("a");
      contents.setAttribute("href", "javascript:toggleTableOfContents()");
      contents.setAttribute("title", "table of contents".localize());
      contents.innerHTML = "contents?".localize();
      toolbar.appendChild(contents);

      var gap2 = document.createTextNode(" ");
      toolbar.appendChild(gap2);

      var i = location.href.indexOf("#");

      // check if anchor is entire page

      if (i > 0)
         page = location.href.substr(0, i);
      else
         page = location.href;

      var start = document.createElement("a");
      start.setAttribute("href", page);
      start.setAttribute("title", "restart presentation".localize());
      start.innerHTML = "restart?".localize();
//    start.setAttribute("href", "javascript:printSlides()");
//    start.setAttribute("title", "print all slides".localize());
//    start.innerHTML = "print!".localize();
      toolbar.appendChild(start);

      var copyright = findCopyright();

      if (copyright)
      {
         var span = document.createElement("span");
         span.innerHTML = copyright;
         span.style.color = "black";
         span.style.marginLeft = "2em";
         toolbar.appendChild(span);
      }

      slideCounter = document.createElement("div")
      slideCounter.style.position = "absolute";
      slideCounter.style.width = "auto"; //"20%";
      slideCounter.style.height = "1.2em";
      slideCounter.style.top = "auto";
      slideCounter.style.bottom = 0;
      slideCounter.style.right = "0";
      slideCounter.style.textAlign = "right";
      slideCounter.style.color = "red";
      slideCounter.style.background = "rgb(240,240,240)";

      slideCounter.innerHTML = "slide".localize() + " n/m";
      toolbar.appendChild(slideCounter);
   }

   // ensure that click isn't passed through to the page
   toolbar.onclick = stopPropagation;
   document.body.appendChild(toolbar);
   slideNumElement = slideCounter;
   setEosStatus(false);

   return toolbar;
}