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7.9

JavaScript code needed rewritten as JQuery

Asked by Yavor_01126 in Jquery, Scripting Languages, JavaScript

Tags: Javascript, JQuery, rewrite, script

Hi!

Can someone please turn this code into JQuery.
I have written it long time ago with a colleague of mine and really don't feel like a guru to even touch it.

You are using it in your app like this:

<script type="text/javascript">
// this is used in order to show the right message
var arr = [];
<%- for image in @story.found_images -%>
arr.push('<%= image %>');
<%- end -%>
story_preview_images( arr, show_images );
</script>

This basically gives the user a couple of images after the page parser returns all the images of the crawled page.
Will increase the points to 500 after a refund of my previous question.

Thanks in advance!

View the Solution FREE for 30 Days

         
           
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             function story_preview_images(array_images, callback_loaded) {
  var images = [];
  var loading = 0;
  for (var i=0; i<array_images.length; i++) {
    loading++;
    preload_image(
      array_images[i],
      function(img) {
        if (img && img.width>90 && img.height>90) {
          images.push(img);
        }
        loading--;
      });
  }
  var state = setInterval (
    function() {
      if( loading <= 0 ) {
        callback_loaded(images);
        clearInterval(state);
      }
    }, 100 );
}
 
function preload_image(src, callback_loaded) {
  var img = new Image();
  img.onerror = function() { callback_loaded(false); };
  img.onabort = function() { callback_loaded(false); };
  img.src = src;
  var state = setInterval (
    function() {
      if(img.complete) {
        callback_loaded(img);
        clearInterval(state);
      }
    }, 100 );
}
 
function show_images(images) {
  var div_id = "images_preview_content";
  var i, img_obj;
  var images_count;
  if (images.length > 4) {
    images_count = 4
  } else {
    images_count = images.length
  }
  for(i=0; i<images_count; i++) {
//    img_obj = document.createElement("IMG");
//    img_obj.src = images[i].src;
//    width  = images[i].width;
//    height = images[i].height;
//    var dimension = 95;
//    coef = width/height;
//    if(coef > 1) {
//      width = dimension;
//      height = dimension/coef;
//    } else {
//      width = dimension*coef;
//      height = dimension;
//    }
//    img_obj.style.width  = width  + "px";
//    img_obj.style.height = height + "px";
//    img_obj.alt = "";
//    img_obj.className = "imageFrame_small imageSpace_right elementBehavior_pointer textAlign_middle";
//    img_obj.onclick = function() { document.getElementById("note_image_url").value=this.src };
    // document.getElementById(div_id).appendChild(img_obj);
    var img_element = create_result_image_element(images[i].src);
    $("#"+div_id).append(img_element);
  }
  // show the right message to the user
  // and hide the preloader
  $('#images_preview_loader').hide();
  if (images_count > 0) {
    $('#images_preview_found_msg').show();
  } else {
    $('#images_preview_notfound_msg').show();
  }
}
 
function create_result_image_element(src,original_url) {
  var imgContainer = $(document.createElement('a'));
  imgContainer.attr('href','javascript://');
  imgContainer.addClass('google_image_result');
  imgContainer.addClass('image');
  var newImg = $(document.createElement('img'));
  // There is also a result.url property which has the escaped version
  newImg.attr('src',src);
  if (original_url != null) {
    newImg.attr('rel',original_url);
  } else {
    newImg.attr('rel',src);
  }
  newImg.css('width','80px');
  imgContainer.html(newImg);
  return imgContainer;
}

           
         

20091021-EE-VQP-81 - Hierarchy / EE_QW_EXPERT_20070906

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JavaScript code needed rewritten as JQuery

Asked by Yavor_01126 in Jquery, Scripting Languages, JavaScript

Tags: Javascript, JQuery, rewrite, script

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