Play with image annotation.

11 years ago · 710b009859
parent f2e983db25
commit 710b009859
4 changed files with 199 additions and 0 deletions
--- a/sandbox/annotate.html
+++ b/sandbox/annotate.html
@ -0,0 +1,74 @@
 <html>
 <head>
 <style>
 .annotated{
  position:relative;
 }
 .annotated img{ /* Set this to stop white-space appearing under the image. */
  display:block;
 }
 .annotated b{ /* Hide the figcaption’s title. */
  position:absolute;
  left:-99999px;
 }
 .annotated ul{ /* Set up the canvas for the annotations to sit on. */
  list-style:none;
  position:absolute; 
  top:0;
  right:0;
  bottom:0;
  left:0;
 }
 .annotated li{
  display:block;
  padding:0 5px;
  width:auto;
  line-height: 12px;
  position:absolute;
  font: 10px 'Open Sans';
  white-space:nowrap; /* Stop the annotations breaking onto several lines. */
  cursor:default;
  background:#fff;
  background:rgba(255,255,255,0.75);
  -webkit-box-shadow:0 0 5px rgba(0,0,0,0.25);
     -moz-box-shadow:0 0 5px rgba(0,0,0,0.25);
          box-shadow:0 0 5px rgba(0,0,0,0.25);
 }
 </style>
 <link rel='stylesheet' href='tooltips.css'>
 <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.0/jquery.min.js"></script>
 <!--[if !IE | (gt IE 8)]><!-->
 <script src="tooltips.js"></script>
 <script>
    $(function() {
        $("figure.annotated figcaption ul li").tooltips();
    });
 </script>
 <!--<![endif]-->
 </head>
 <body>
    <figure class="annotated">
        <img src="spa504g-front.jpg" alt="Cisco SPA504g" />
        <figcaption>
 	        <b>Line/Key Selection:</b>
            <ul>
                <li style="top:55px; left:495px;">test1@example.org</li>
                <li style="top:72px; left:495px;">test2@example.org</li>
                <li style="top:89px; left:495px;">test3@example.org</li>
                <li style="top:105px; left:495px;">test4@example.org</li>
            </ul>
 	        <i><a href="#">Cisco SPA504G</a></i>
      </figcaption>
    </figure>
 </body>
 </html>
 <!-- vim: set tabstop=4 syntax=html expandtab: -->
--- a/sandbox/spa504g-front.jpg
+++ b/sandbox/spa504g-front.jpg
--- a/sandbox/tooltips.css
+++ b/sandbox/tooltips.css
@ -0,0 +1,60 @@
 .tooltip, .arrow:after {
  background: black;
  border: 2px solid white;
 }
 .tooltip {
  pointer-events: none;
  opacity: 0;
  display: inline-block;
  position: absolute;
  padding: 10px 20px;
  color: white;
  border-radius: 20px;
  margin-top: 20px;
  text-align: center;
  font: bold 14px "Helvetica Neue", Sans-Serif;
  font-stretch: condensed;
  text-decoration: none;
  text-transform: uppercase;
  box-shadow: 0 0 7px black;
 }
 .arrow {
  width: 70px;
  height: 16px;
  overflow: hidden;
  position: absolute;
  left: 50%;
  margin-left: -35px;
  bottom: -16px;
 }
 .arrow:after {
  content: "";
  position: absolute;
  left: 20px;
  top: -20px;
  width: 25px;
  height: 25px;
  -webkit-box-shadow: 6px 5px 9px -9px black,
                      5px 6px 9px -9px black;
  -moz-box-shadow: 6px 5px 9px -9px black,
                   5px 6px 9px -9px black;
  box-shadow: 6px 5px 9px -9px black,
              5px 6px 9px -9px black;
  -webkit-transform: rotate(45deg);
  -moz-transform:    rotate(45deg);
  -ms-transform:     rotate(45deg);
  -o-transform:      rotate(45deg);
 }
 .tooltip.active {
  opacity: 1;
  margin-top: 5px;
  -webkit-transition: all 0.2s ease;
  -moz-transition:    all 0.2s ease;
  -ms-transition:     all 0.2s ease;
  -o-transition:      all 0.2s ease;
 }
 .tooltip.out {
  opacity: 0;
  margin-top: -20px;
 }
--- a/sandbox/tooltips.js
+++ b/sandbox/tooltips.js
@ -0,0 +1,65 @@
 // IIFE to ensure safe use of $
 (function( $ ) {
  // Create plugin
  $.fn.tooltips = function(el) {
    var $tooltip,
      $body = $('body'),
      $el;
    // Ensure chaining works
    return this.each(function(i, el) {
      $el = $(el).attr("data-tooltip", i);
      // Make DIV and append to page 
      //var $tooltip = $('<div class="tooltip" data-tooltip="' + i + '">' + $el.attr('title') + '<div class="arrow"></div></div>').appendTo("body");
      var $tooltip = $('<div class="tooltip" data-tooltip="' + i + '">' + $el.text() + '<div class="arrow"></div></div>').appendTo("body");
      // Position right away, so first appearance is smooth
      var linkPosition = $el.position();
      $tooltip.css({
        top: linkPosition.top - $tooltip.outerHeight() - 13,
        left: linkPosition.left - ($tooltip.width()/2)
      });
      // Mouseenter
      .hover(function() {
        $el = $(this);
        $tooltip = $('div[data-tooltip=' + $el.data('tooltip') + ']');
        // Reposition tooltip, in case of page movement e.g. screen resize                        
        var linkPosition = $el.position();
        $tooltip.css({
          top: linkPosition.top - $tooltip.outerHeight() - 13,
          left: linkPosition.left - ($tooltip.width()/2)
        });
        // Adding class handles animation through CSS
        $tooltip.addClass("active");
        // Mouseleave
      }, function() {
        $el = $(this);
        // Temporary class for same-direction fadeout
        $tooltip = $('div[data-tooltip=' + $el.data('tooltip') + ']').addClass("out");
        // Remove all classes
        setTimeout(function() {
          $tooltip.removeClass("active").removeClass("out");
          }, 300);
        });
      });
    }
 })(jQuery);