src/main/java/ru/ulstu/conference/service/ConferenceService.java

@@ -66,8 +66,9 @@ public class ConferenceService {
 
     @Transactional
     public void delete(Integer conferenceId) {
-        //       Conference conference = conferenceRepository.findOne(conferenceId);
-        conferenceRepository.delete(conferenceId);
+        if (conferenceRepository.exists(conferenceId)) {
+            conferenceRepository.delete(conferenceId);
+        }
     }
 
     public void removeDeadline(ConferenceDto conferenceDto, Integer deadlineIndex) throws IOException {

src/main/resources/public/css/conference.css

@@ -2,6 +2,11 @@ body {
     min-width: 400px;
 }
 
+.conference-row .col:hover {
+    background-color: #eaeaea;
+    border-radius: .25rem;
+}
+
 
 
 

src/main/resources/public/js/conference.js

@@ -1,27 +1,41 @@
 $(document).ready(function () {
 
-    $('.data-href-js').click( function() {
-        window.location = $(this).attr('data-href');
-    });
+    $(".conference-row").mouseenter(function (event) {
+            var conferenceRow = $(event.target).closest(".conference-row");
+            $(conferenceRow).css("background-color", "#f8f9fa");
+            $(conferenceRow).find(".remove-conference").removeClass("d-none");
 
-    $('.circle').parent().click( function() {
-        $(this).children('.circle').toggleClass('circle-active');
     });
-
-    $('.checkbox-js').parent().click( function() {
-        $(this).children('.checkbox').toggleClass('selected');
+    $(".conference-row").mouseleave(function (event) {
+        var conferenceRow = $(event.target).closest(".conference-row");
+        $(conferenceRow).css("background-color", "white");
+        $(conferenceRow).closest(".conference-row").find(".remove-conference").addClass("d-none");
     });
 
-    $('#select-all-js').click( function() {
-        $(this).toggleClass('selected');
+    $('a[data-confirm]').click(function(ev) {
+        var href = $(this).attr('href');
+        if (!$('#dataConfirmModal').length) {
+            $('#modalDelete').append('<div class="modal fade" id="dataConfirmModal"  tabindex="-1" role="dialog" aria-labelledby="mySmallModalLabel" aria-hidden="true"\n' +
+                '             >\n' +
+                '            <div class="modal-dialog modal-sm">\n' +
+                '                <div class="modal-content">\n' +
+                '                    <div class="modal-header">\n' +
+                '                        <h8 class="modal-title" id="myModalLabel">Удалить конференцию?</h8>\n' +
+                '                        <button type="button" class="close" data-dismiss="modal" aria-label="Закрыть"><span\n' +
+                '                                aria-hidden="true">&times;</span></button>\n' +
+                '                    </div>\n' +
 
-        var childNodes = $('.conference-item .form-check .checkbox')
-        .each(function(i, elem) {
-            if ($(this).hasClass('selected') && !$('#select-all-js').hasClass('selected')) {
-                $(this).toggleClass('selected');
-            } else if (!$(this).hasClass('selected') && $('#select-all-js').hasClass('selected')){
-                $(this).toggleClass('selected');
-            }
-        });
+                '                    <div class="modal-footer">\n' +
+                '                       <a class="btn btn-primary" id="dataConfirmOK">Да</a>'+
+                '                       <button class="btn primary" data-dismiss="modal" aria-hidden="true">Нет</button>'+
+                '                    </div>\n' +
+                '                </div>\n' +
+                '            </div>\n' +
+                '        </div>');
+        }
+        $('#dataConfirmModal').find('#myModalLabel').text($(this).attr('data-confirm'));
+        $('#dataConfirmOK').attr('href', href);
+        $('#dataConfirmModal').modal({show:true});
+        return false;
     });
 });

src/main/resources/templates/conferences/conferences.html

@@ -3,6 +3,7 @@
       xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
       layout:decorator="default" xmlns:th="">
 <head>
+    <link rel="stylesheet" type="text/css" href="../css/conference.css"/>
 </head>
 <body>
 
@@ -46,7 +47,7 @@
 
         <div id="modalDelete"/>
     </form>
-    <script></script>
+    <script src="../js/conference.js"></script>
 </div>
 </body>