# HG changeset patch
# User Nicholas Jillings <nicholas.jillings@mail.bcu.ac.uk>
# Date 1505226502 -3600
# Node ID 664065577426dd15a2989b974460c6d8c6d55d3e
# Parent  f06405eacbe1748f9ede2f80dd3dfd7b68a664ce
Hide the back button #232

diff -r f06405eacbe1 -r 664065577426 js/core.js
--- a/js/core.js	Tue Sep 12 14:36:51 2017 +0100
+++ b/js/core.js	Tue Sep 12 15:28:22 2017 +0100
@@ -1099,7 +1099,7 @@
         } else {
             this.buttonProceed.textContent = 'Next';
         }
-        if (this.currentIndex > 0)
+        if (this.currentIndex > 0 && this.node.showBackButton)
             this.buttonPrevious.style.visibility = 'visible';
         else
             this.buttonPrevious.style.visibility = 'hidden';
diff -r f06405eacbe1 -r 664065577426 js/specification.js
--- a/js/specification.js	Tue Sep 12 14:36:51 2017 +0100
+++ b/js/specification.js	Tue Sep 12 15:28:22 2017 +0100
@@ -216,6 +216,7 @@
         this.location = undefined;
         this.options = [];
         this.parent = undefined;
+        this.showBackButton = true;
         this.specification = specification;
 
         this.addOption = function () {
@@ -403,6 +404,12 @@
             } else if (this.location == 'after') {
                 this.location = 'post';
             }
+            this.showBackButton = xml.getAttribute("showBackButton");
+            if (this.showBackButton == "false") {
+                this.showBackButton = false;
+            } else {
+                this.showBackButton = true;
+            }
             var child = xml.firstElementChild;
             while (child) {
                 var node = new this.OptionNode(this.specification);
diff -r f06405eacbe1 -r 664065577426 xml/test-schema.xsd
--- a/xml/test-schema.xsd	Tue Sep 12 14:36:51 2017 +0100
+++ b/xml/test-schema.xsd	Tue Sep 12 15:28:22 2017 +0100
@@ -547,6 +547,7 @@
                         </xs:restriction>
                     </xs:simpleType>
                 </xs:attribute>
+                <xs:attribute name="showBackButton" type="xs:boolean" default="true" />
             </xs:complexType>
         </xs:element>