From f0da78f0a655caeb62ce959847b57919b1de0748 Mon Sep 17 00:00:00 2001
From: Flavio Copes <copesc@gmail.com>
Date: Fri, 4 Dec 2015 20:23:41 +0100
Subject: [PATCH] Allow to set hidePreview: true on `markdown` field type when
 defining blueprints. Since the preview is based around the concept of a page,
 and renders its content, we cannot use it there

---
 themes/grav/js/mdeditor.js                    | 52 ++++++++++++-------
 .../forms/fields/markdown/markdown.html.twig  |  2 +-
 2 files changed, 33 insertions(+), 21 deletions(-)

diff --git a/themes/grav/js/mdeditor.js b/themes/grav/js/mdeditor.js
index d023d1d7..db4c1d5c 100644
--- a/themes/grav/js/mdeditor.js
+++ b/themes/grav/js/mdeditor.js
@@ -66,30 +66,14 @@
         };
     };
 
-    var template = [
-        '<div class="grav-mdeditor clearfix" data-mode="tab" data-active-tab="code">',
-            '<div class="grav-mdeditor-navbar">',
-                '<ul class="grav-mdeditor-navbar-nav grav-mdeditor-toolbar"></ul>',
-                '<div class="grav-mdeditor-navbar-flip">',
-                    '<ul class="grav-mdeditor-navbar-nav">',
-                        '<li class="grav-mdeditor-button-code mdeditor-active"><a>{:lblCodeview}</a></li>',
-                        '<li class="grav-mdeditor-button-preview"><a>{:lblPreview}</a></li>',
-                        '<li><a data-mdeditor-button="fullscreen"><i class="fa fa-fw fa-expand"></i></a></li>',
-                    '</ul>',
-                '</div>',
-                '<p class="grav-mdeditor-preview-text" style="display: none;">Preview</p>',
-            '</div>',
-            '<div class="grav-mdeditor-content">',
-                '<div class="grav-mdeditor-code"></div>',
-                '<div class="grav-mdeditor-preview"><div></div></div>',
-            '</div>',
-        '</div>'
-    ].join('');
+    var template = '';
 
     var MDEditor = function(editor, options){
-        var tpl = '' + template, $this = this,
+        var $this = this,
             task = 'task' + GravAdmin.config.param_sep;
 
+        var tpl = ''
+
         this.defaults = {
             markdown     : false,
             autocomplete : true,
@@ -107,6 +91,34 @@
         this.CodeMirror = CodeMirror;
         this.buttons    = {};
 
+        template = [
+            '<div class="grav-mdeditor clearfix" data-mode="tab" data-active-tab="code">',
+                '<div class="grav-mdeditor-navbar">',
+                    '<ul class="grav-mdeditor-navbar-nav grav-mdeditor-toolbar"></ul>',
+                    '<div class="grav-mdeditor-navbar-flip">',
+                        '<ul class="grav-mdeditor-navbar-nav">'];
+
+        if (!$this.element.data('grav-preview-disabled')) {
+            template.push('<li class="grav-mdeditor-button-code mdeditor-active"><a>{:lblCodeview}</a></li>');
+            template.push('<li class="grav-mdeditor-button-preview"><a>{:lblPreview}</a></li>');
+        }
+
+        template.push(
+                            '<li><a data-mdeditor-button="fullscreen"><i class="fa fa-fw fa-expand"></i></a></li>',
+                        '</ul>',
+                    '</div>',
+                    '<p class="grav-mdeditor-preview-text" style="display: none;">Preview</p>',
+                '</div>',
+                '<div class="grav-mdeditor-content">',
+                    '<div class="grav-mdeditor-code"></div>',
+                    '<div class="grav-mdeditor-preview"><div></div></div>',
+                '</div>',
+            '</div>'
+        );
+
+        template = template.join('');
+
+        tpl += template;
         tpl = tpl.replace(/\{:lblPreview\}/g, this.options.lblPreview);
         tpl = tpl.replace(/\{:lblCodeview\}/g, this.options.lblCodeview);
 
diff --git a/themes/grav/templates/forms/fields/markdown/markdown.html.twig b/themes/grav/templates/forms/fields/markdown/markdown.html.twig
index a0bf5bf8..4d530eb7 100644
--- a/themes/grav/templates/forms/fields/markdown/markdown.html.twig
+++ b/themes/grav/templates/forms/fields/markdown/markdown.html.twig
@@ -9,7 +9,7 @@
 {% block field %}
     <div class="form-field">
         <div class="form-data form-markdown-wrapper cm-s-paper">
-            <textarea data-grav-mdeditor="{{ { 'markdown': true }|json_encode|e('html_attr') }}" name="{{ (scope ~ field.name)|fieldName }}" data-grav-urlpreview="{{ base_url }}/media/{{ admin.route|trim('/') }}.json">{{ value|join("\n")|e('html') }}</textarea>
+            <textarea data-grav-mdeditor="{{ { 'markdown': true }|json_encode|e('html_attr') }}" name="{{ (scope ~ field.name)|fieldName }}" {% if field.hidePreview %}data-grav-preview-disabled="true"{% endif %} data-grav-urlpreview="{{ base_url }}/media/{{ admin.route|trim('/') }}.json">{{ value|join("\n")|e('html') }}</textarea>
         </div>
     </div>
 {% endblock %}
\ No newline at end of file