Don't validate the form when clicking on previous step (refs #1462, refs #1463)

If a field has been changed a confirmation dialog appear.

1 files changed, 16 insertions, 2 deletions

diff --git a/ishtar_common/templates/ishtar/wizard/default_wizard.html b/ishtar_common/templates/ishtar/wizard/default_wizard.html
index 28b9850d7..6b4bce709 100644
--- a/ishtar_common/templates/ishtar/wizard/default_wizard.html
+++ b/ishtar_common/templates/ishtar/wizard/default_wizard.html
@@ -9,11 +9,11 @@
 <form action="." method="post" name='wizard'{% if wizard.form.file_upload %} enctype="multipart/form-data"{% endif %}>{% csrf_token %}
 <ul id='form_path'>
 {% for step in previous_steps %}
-  <li>&raquo;&nbsp;<button name="form_prev_step" value="{{forloop.counter0}}">{{step.form_label}}</button></li>
+  <li>&raquo;&nbsp;<button class='change_step' name="form_prev_step" value="{{forloop.counter0}}">{{step.form_label}}</button></li>
 {% endfor %}
   <li class='current'>&raquo;&nbsp;<a href='#'>{{current_step.form_label}}</a></li>
 {% for step in next_steps %}
-  <li>&raquo;&nbsp;<button name="form_prev_step" value="{{forloop.counter|add:previous_step_counter}}">{{step.form_label}}</button></li>
+  <li>&raquo;&nbsp;<button class='change_step' name="form_prev_step" value="{{forloop.counter|add:previous_step_counter}}">{{step.form_label}}</button></li>
 {% endfor %}
 </ul>
 {% endblock %}
@@ -44,4 +44,18 @@
 </div>
 </form>
 {% endblock %}
+<script language="javascript" type="text/javascript">
+var form_changed = false;
+$(document).ready(function(){
+    $('form :input').change(function(){form_changed=true;});
+    $('.change_step').click(function(){
+        if(!form_changed ||
+           confirm("{% trans "The form has changed if you don't validate it all your changes will be lost." %}")){
+            return true;
+        }
+        return false;
+    });
+
+});
+</script>
 {% endblock %}