Index: branches/5.3.x/core/admin_templates/incs/form_blocks.tpl
===================================================================
diff -u -N -r15677 -r15690
--- branches/5.3.x/core/admin_templates/incs/form_blocks.tpl	(.../form_blocks.tpl)	(revision 15677)
+++ branches/5.3.x/core/admin_templates/incs/form_blocks.tpl	(.../form_blocks.tpl)	(revision 15690)
@@ -560,7 +560,35 @@
 	</inp2:m_RenderElement>
 </inp2:m_DefineElement>
 
+<inp2:m_DefineElement name="code_mirror_resource">
+	<inp2:m_if check="m_Param" name="resource_extension" equals_to="js">
+		<script src="<inp2:m_TemplatesBase/>/incs/code_mirror/mode/<inp2:m_Param name='resource_file'/>"></script>
+	<inp2:m_elseif check="m_Param" name="resource_extension" equals_to="js"/>
+		<link rel="stylesheet" href="<inp2:m_TemplatesBase/>/incs/code_mirror/mode/<inp2:m_Param name='resource_file'/>"/>
+	</inp2:m_if>
+</inp2:m_DefineElement>
 
+<inp2:m_DefineElement name="inp_edit_codemirror" caption_render_as="textarea_field_caption_element" class="" format="" edit_template="popups/editor" allow_html="" style="text-align: left; width: 100%; height: 100px;" control_options="false" row_style="height: auto" codemirror_options="lineNumbers: true">
+	<inp2:m_RenderElement design="form_row" pass_params="1">
+		<td class="control-cell">
+			<textarea tabindex="<inp2:m_Get name='tab_index'/>" id="<inp2:{$prefix}_InputName field='$field'/>" name="<inp2:{$prefix}_InputName field='$field'/>" ><inp2:{$prefix}_Field field="$field" format="fck_ready;{$format}"/></textarea>
+
+			<inp2:m_ifnot check="m_Get" name="codemirror_included">
+				<script src="<inp2:m_TemplatesBase/>/incs/code_mirror/lib/codemirror.js"></script>
+				<link rel="stylesheet" href="<inp2:m_TemplatesBase/>/incs/code_mirror/lib/codemirror.css">
+				<inp2:m_Set codemirror_included="1"/>
+			</inp2:m_ifnot>
+
+			<inp2:adm_IncludeCodeMirrorFilesByLanguage language="$language" render_as="code_mirror_resource"/>
+
+			<script type="text/javascript">
+				$CodeMirrorEditors["<inp2:$prefix_InputName field='$field'/>"] = {mode: "<inp2:m_Param name='language'/>", tabindex: <inp2:m_Get name="tab_index"/>, indentWithTabs: true, indentUnit: 4, lineWrapping: true<inp2:m_if check="m_Param" name="codemirror_options">, <inp2:m_Param name="codemirror_options"/></inp2:m_if>};
+				Form.addControl('<inp2:{$prefix}_InputName field="$field"/>', <inp2:m_param name="control_options"/>);
+			</script>
+		</td>
+	</inp2:m_RenderElement>
+</inp2:m_DefineElement>
+
 <inp2:m_DefineElement name="textarea_ml_field_caption_element">
 	<inp2:m_RenderElement name="default_field_caption_element" pass_params="1"/>