There is a need to make a preloader. The engine is built on MVC. I found the script I can’t inject it into my project in the following html:
<form id="upload_form" enctype="multipart/form-data" method="post" name="person"> <input type="file" name="file1" id="file1"><br> <input type="button" value="Upload File" onclick="uploadFile()"> <progress id="progressBar" value="0" max="100" style="width:300px;"></progress> <h3 id="status"></h3> <p id="loaded_n_total"></p> </form> Javascript:
function _(el) { return document.getElementById(el); } function uploadFile() { var file = _("file1").files[0]; // alert(file.name+" | "+file.size+" | "+file.type); var formdata = new FormData(document.forms.person); formdata.append("file1", file); var ajax = new XMLHttpRequest(); ajax.upload.addEventListener("progress", progressHandler, false); ajax.addEventListener("load", completeHandler, false); ajax.addEventListener("error", errorHandler, false); ajax.addEventListener("abort", abortHandler, false); ajax.open("POST", "../index.php"); ajax.send(formdata); } function progressHandler(event) { _("loaded_n_total").innerHTML = "Uploaded " + event.loaded + " bytes of " + event.total; var percent = (event.loaded / event.total) * 100; _("progressBar").value = Math.round(percent); _("status").innerHTML = Math.round(percent) + "% uploaded... please wait"; } function completeHandler(event) { _("status").innerHTML = event.target.responseText; _("progressBar").value = 0; } function errorHandler(event) { _("status").innerHTML = "Upload Failed"; } function abortHandler(event) { _("status").innerHTML = "Upload Aborted"; } And the server part:
$fileName = $_FILES["file1"]["name"]; // The file name $fileTmpLoc = $_FILES["file1"]["tmp_name"]; // File in the PHP tmp folder $fileType = $_FILES["file1"]["type"]; // The type of file it is $fileErrorMsg = $_FILES["file1"]["error"]; // 0 for false... and 1 for true if (!$fileTmpLoc) { // if file not chosen echo "ERROR: Please browse for a file before clicking the upload button."; exit(); } if(move_uploaded_file($fileTmpLoc, "image/$fileName")){ echo "$fileName upload is complete"; } else { echo "move_uploaded_file function failed"; } How to implement this script through MVC