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In this article, we are going to show you how to quickly show PDF file's content itself without first downloading the file. Sample screenshots:- |
Clicking on "mongodb.pdf" in the file upload element will bring up the pop up dialog that will display the pdf file's content.
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In any form that contains File Upload field, add a Custom HTML and put in the following code.
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Ensure in File Upload properties, the "Download as attachment field" is unchecked. |
| Code Block | ||||
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<div id="pdfPreview" style="display:none;">
<object
data="pdfFilePath" type="application/pdf" width="100%" height="100%">
<iframe src="pdfFilePath" width="100%" height="100%" style="border: none;">
<p>Your browser does not support PDFs. <a href="pdfFilePath">Download the PDF</a>.</p>
</iframe>
</object>
</div>
<script type="text/javascript">
$(function(){
$("ul.form-fileupload-value > li > a").click(function(e){
url = $(this).attr("href");
if(url.endsWith(".pdf.")){
e.preventDefault();
showPopupActionDialog(url);
}
});
});
function showPopupActionDialog(url){
var wWidth = $(window).width();
var dWidth = wWidth * 0.9;
var wHeight = $(window).height();
var dHeight = wHeight * 0.9;
var previewObj = $( "#pdfPreview" ).clone().html(function(index,html){
return html.replace(/pdfFilePath/g, url);
});
var inputDialog = $( previewObj ).dialog({
autoOpen: true,
height: dHeight,
width: dWidth,
modal: true,
buttons: [
{
text: "Close",
click: function() {
inputDialog.dialog( "close" );
}
}
]
});
}
</script> |