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diff --git a/winery/org.eclipse.winery.repository/src/main/webapp/WEB-INF/tags/simpleSingleFileUpload.tag b/winery/org.eclipse.winery.repository/src/main/webapp/WEB-INF/tags/simpleSingleFileUpload.tag
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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="${id}Diag">
+	<div class="modal-dialog">
+		<div class="modal-content">
+			<div class="modal-header">
+				<button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
+				<h4 class="modal-title">${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>