Front-end Image Upload with Preview – Is this Possible in WP?

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I created a front-end form and have several image upload fields. I was able to create a post and have the images attached. But what I would like to do is have the user see a preview of the image they are about to upload before submitting the Post.

I’ve read quite a few alternatives, Uploadify, Valums.com http://valums.com/ajax-upload, SWFupload and a few others I can’t remember. But the problem with all of them is that once i implement them in the form, the images are no longer attached to the post, but only uploaded to the server.

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Any suggestion or code sample I can use to do this? I have scoured the net for an answer – perhaps it’s just not possible in WP to preview an image and also attach it to a post in one form?

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1 comment

  1. Just add this scripts in header

    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script>
   var blank="http://upload.wikimedia.org/wikipedia/commons/c/c0/Blank.gif";
     function readURL(input) {
       if (input.files && input.files[0]) {
        var reader = new FileReader();

         reader.onload = function (e) {
           $('#img_prev')
           .attr('src', e.target.result)
           .height(100);
         };

        reader.readAsDataURL(input.files[0]);
    }
      else {
      var img = input.value;
        $('#img_prev').attr('src',img).height(200);
    }
    $("#x").show().css("margin-right","10px");
}
$(document).ready(function() {
  $("#x").click(function() {
    $("#img_prev").attr("src",blank);
    $("#x").hide();  
  });
});
</script>

    Add for Internet explorer:

    <!--[if IE]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->

    Add style to the header.

    <style>
 article, aside, figure, footer, header, hgroup, menu, nav, section { display: block; }
 #x { display:none; position:relative; z-index:200; float:right}
 #previewPane { display: inline-block; }
</style>

    Note this should be added in header of that page or ur theme
    and this will be upload bar
    with preview
    u can also cancel the preview with this

    <input type='file' onchange="readURL(this);" /><br/>


<span id="previewPane">
 img id="img_prev" src="#" alt="your image" />
 span id="x">[X]</span> </div> </div>