X-Git-Url: https://git.openstreetmap.org./osqa.git/blobdiff_plain/d7a18910f5d471a3fa37f3a1cf202fa5302ac25f..3b5cf11889534f64588a9dabc008e745d2c67c3a:/forum/skins/default/templates/answer_edit.html

diff --git a/forum/skins/default/templates/answer_edit.html b/forum/skins/default/templates/answer_edit.html
index 137b684..4265a3e 100644
--- a/forum/skins/default/templates/answer_edit.html
+++ b/forum/skins/default/templates/answer_edit.html
@@ -12,7 +12,8 @@
         $().ready(function(){
             $("#nav_questions").attr('className',"on");
             $('#editor').TextAreaResizer();
-                             
+
+
             //toggle preview of editor
             var display = true;
             var txt = "{% trans "hide preview" %}";
@@ -24,13 +25,32 @@
                 $('#pre-collapse').text(txt);
             });
 
-            
+
             $('#id_revision').unbind().change(function(){
                 $("#select_revision").click();
             });
-            
-            
+
+
+            answer = $("textarea#editor")[0].value;
         });
+
+
+        function submitClicked(e) {
+            if(!(browserTester('chrome') || browserTester('safari'))) {
+                $("input.submit")[0].disabled=true;
+                $("input.submit")[1].disabled=true;
+            }
+            window.removeEventListener('beforeunload', beforeUnload, true);
+        }
+
+        function beforeUnload(e) {
+            if($("textarea#editor")[0].value != answer) {
+                 return yourWorkWillBeLost(e);
+            }
+        }
+        window.addEventListener('beforeunload', beforeUnload, true);
+
+        var answer = "";
         </script>
 {% endblock %}
         
@@ -66,8 +86,8 @@
             <div class="title-desc">
                 {{ form.summary.help_text }}
             </div>
-            <input type="submit" value="{% trans "Save edit" %}" class="submit" />
-            <input type="button" value="{% trans "Cancel" %}" class="submit" onclick="history.back(-1);" />
+            <input type="submit" value="{% trans "Save edit" %}" class="submit" onclick="submitClicked(event)" />
+            <input type="button" value="{% trans "Cancel" %}" class="submit" onclick="history.back(-1);submitClicked(event)" />
         </form>
     </div>
 </div>