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<%--
/*******************************************************************************
* Copyright (c) 2012-2013 University of Stuttgart.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and the Apache License 2.0 which both accompany this distribution,
* and are available at http://www.eclipse.org/legal/epl-v10.html
* and http://www.apache.org/licenses/LICENSE-2.0
*
* Contributors:
* Oliver Kopp - initial API and implementation and/or initial documentation
* Yves Schubert - switch to bootstrap 3
*******************************************************************************/
--%>
<%@tag description="Global Wrapper" pageEncoding="UTF-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@attribute name="title" required="true" description="title of the dialog"%>
<%@attribute name="text" required="true" description="text to show before upload box"%>
<%@attribute name="URL" required="true" description="URL to post to"%>
<%@attribute name="type" required="true" description="PUT|POST"%>
<%@attribute name="additionalDropZone" required="false" description="jQuery selector for an additional dropzone"%>
<%@attribute name="id" required="true" description="id to form basis for ...Diag: id of diag; ...Form: id of input field used for file upload; ...Img: Image to refresh"%>
<%@attribute name="accept" description="if not null/'': list of accepted MIME file types"%>
<%@attribute name="resize" description="if not null/'': enables image resizing. Currently not supported"%>
<div class="modal fade" id="${id}Diag">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h4 class="modal-title">${title}</h4>
</div>
<div class="modal-body">
<form>
<fieldset>
<div class="form-group">
<label for="${id}Form">${text}:</label>
<input id="${id}Form" class="form-control" type="file" name="${id}Form" <c:if test="${!empty accept}">accept="${accept}"</c:if> />
</div>
</fieldset>
<p>You may also <strong>drop the file</strong> here.</p>
<p>The file is <strong>immediately</strong> uploaded without any confirmation.</p>
</form>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal" data-loading-text="Uploading..." id="cancelfileuploadbtn">Cancel</button>
</div>
</div>
</div>
</div>
<script>
/**
* We cannot use jQuery's ",", because this leads to multiple uploads at a single drop.
* Therefore, we introduced that function
*/
function bindFileUploadForSingleFileUpload(selector) {
requirejs(["jquery.fileupload"], function(){
$(selector).fileupload({
dataType: 'json',
url: '${URL}',
type: '${type}',
dropZone: $(selector),
paramName: 'file',
autoUpload: true
}).bind("fileuploadstart", function(e) {
$("#cancelfileuploadbtn").button("loading");
}).bind('fileuploadfail', function(e, data) {
vShowAJAXError("File upload failed", data.jqXHR, data.errorThrown);
$("#cancelfileuploadbtn").button("reset");
}).bind('fileuploaddone', function(e, data) {
var text = "File uploaded successfully.";
var responseText = data.jqXHR.responseText;
if (responseText != "") {
// we expect a JSON array
var response = $.parseJSON(responseText);
if (response.length == 0) {
// some JSON parsing error, just display the text itself
text = text + "<br /><br />With following issues, possibly wrong<br />" + responseText;
} else if (response.length == 1) {
text = text + "<br /><br />With following issue<br />" + response[0];
} else {
text = text + "<br /><br />With following issues, possibly wrong<br /><ul>";
$(response).each(function(i,e) {
text = text + "<li>" + e + "</li>";
});
text = text + "</ul>";
}
}
vShowSuccess(text);
$("#cancelfileuploadbtn").button("reset");
$('#${id}Diag').modal('hide');
// refresh the image
img = $('#${id}Img');
if (img.length === 1) {
src = img.attr('src');
queryPos = src.indexOf('?');
if(queryPos != -1) {
src = src.substring(0, queryPos);
}
img.attr('src', src + '?' + Math.random());
}
});
});
}
$(function() {
bindFileUploadForSingleFileUpload("#${id}Diag");
<c:if test="${not empty additionalDropZone}">bindFileUploadForSingleFileUpload("${additionalDropZone}");</c:if>
});
</script>
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