diff --git a/lib/details_issue_hooks.rb b/lib/details_issue_hooks.rb
index 9cf5fdc..4f2a211 100644
--- a/lib/details_issue_hooks.rb
+++ b/lib/details_issue_hooks.rb
@@ -1,203 +1,210 @@
 class DetailsIssueHooks < Redmine::Hook::ViewListener
-  
   def protect_against_forgery?
     false
-	end
-
-	def current_is_detail_page(context)
-		# check if we see an issue but not creating a new one or on the specific edit page
-		ret = context[:controller] && context[:controller].is_a?(IssuesController) && context[:request].original_url.rindex(/\/issues\/\S+/) && !context[:request].original_url.rindex(/\/issues\/new/) && !context[:request].original_url.rindex(/\/issues\/\d+\/edit/)
-	end
-
-	def view_layouts_base_html_head(context)
-		if current_is_detail_page(context)
-			stylesheet_link_tag('issue_dynamic_edit.css', :plugin => :redmine_issue_dynamic_edit)
-		end
-  end
-  
-	def view_layouts_base_body_bottom(context)
-		if current_is_detail_page(context)
-			javascript_include_tag('issue_dynamic_edit_configuration_file.js', 'issue_dynamic_edit.js', :plugin => :redmine_issue_dynamic_edit)
-		end
   end
 
-  def view_issues_show_details_bottom(context = { })
+  def current_is_detail_page(context)
+    # check if we see an issue but not creating a new one or on the specific edit page
+    ret = context[:controller] && context[:controller].is_a?(IssuesController) && context[:request].original_url.rindex(/\/issues\/\S+/) && !context[:request].original_url.rindex(/\/issues\/new/) && !context[:request].original_url.rindex(/\/issues\/\d+\/edit/)
+  end
+
+  def view_layouts_base_html_head(context)
+    return unless current_is_detail_page(context)
+
+    stylesheet_link_tag('issue_dynamic_edit.css', :plugin => :redmine_issue_dynamic_edit)
+  end
+
+  def view_layouts_base_body_bottom(context)
+    return unless current_is_detail_page(context)
+
+    javascript_include_tag('issue_dynamic_edit_configuration_file.js', 'issue_dynamic_edit.js', :plugin => :redmine_issue_dynamic_edit)
+  end
+
+  def view_issues_show_details_bottom(context = {})
     project = context[:project]
     request = context[:request]
     issue_id = request.path_parameters[:id]
-	back = request.env['HTTP_REFERER']
+    back = request.env['HTTP_REFERER']
 
-	o = ''
-	
-    if (issue_id)
+    o = ''
+
+    if issue_id
       issue = Issue.find(issue_id)
-	  readOnlyAttributes = issue.read_only_attribute_names(User.current)
-	  requiredAttributes = issue.required_attribute_names(User.current)
-	  
-	  # o << requiredAttributes.to_json
-	  
-	  allRequiredFieldsFilled = true
-	  requiredAttributes.each do |attr|
-		if(issue.read_attribute(attr).to_s.empty?)
-			allRequiredFieldsFilled = false
-		end
-	  end
-	  
-	  if (issue)
-		if (User.current.allowed_to?(:edit_issues, project))
-		  
-		  # if there's a JS error, we hide the generated values
-		  o << '<div style="display:none">'
-		  
-		  # Status dropdown
-		  statuses = issue.new_statuses_allowed_to(User.current)
-          if (!statuses.empty? && !(readOnlyAttributes.include? 'status_id') && allRequiredFieldsFilled)
-		    o << "<span class='dynamicEdit' id='statusListDropdown'>"
-			o << "<select data-issue='#{issue_id}'><option disabled='disabled' selected> </option>"
-			statuses.each do |s|
-				if (s != issue.status)
-					o << "<option value='#{s.id}'>#{s.name}</option>"
-				else
-					o << "<option value='#{s.id}' selected>#{s.name}</option>"
-				end
-			end
-			o << "</select> <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a></span>"
+      readOnlyAttributes = issue.read_only_attribute_names(User.current)
+      requiredAttributes = issue.required_attribute_names(User.current)
+
+      # o << requiredAttributes.to_json
+
+      allRequiredFieldsFilled = true
+      requiredAttributes.each do |attr|
+        if issue.read_attribute(attr).to_s.empty?
+          allRequiredFieldsFilled = false
+        end
+      end
+
+      if issue
+        if User.current.allowed_to?(:edit_issues, project)
+          # if there's a JS error, we hide the generated values
+          o << '<div style="display:none">'
+
+          # Status dropdown
+          statuses = issue.new_statuses_allowed_to(User.current)
+          if (
+            !statuses.empty? &&
+            !readOnlyAttributes.include?('status_id') &&
+            allRequiredFieldsFilled
+          )
+            o << "<span class='dynamicEdit' id='statusListDropdown'>"
+            o << "<select data-issue='#{issue_id}'><option disabled='disabled' selected> </option>"
+            statuses.each do |s|
+              if (s != issue.status)
+                o << "<option value='#{s.id}'>#{s.name}</option>"
+              else
+                o << "<option value='#{s.id}' selected>#{s.name}</option>"
+              end
+            end
+
+            o << "</select> <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a></span>"
           end
-		  
-		  # Users dropdown
-		  assignables = project.assignable_users
-		  if (!assignables.empty? && !(readOnlyAttributes.include? 'assigned_to_id'))
-			o << "<span class='dynamicEdit' id='usersListDropdown'>"
-			o << "<select data-issue='#{issue_id}'><option disabled='disabled' selected> </option>"
-			assignables.each do |u|
-				if (u != issue.assigned_to)
-					o << "<option value='#{u.id}'>#{u.name}</option>"
-				else
-					o << "<option value='#{u.id}' selected>#{u.name}</option>"
-				end
-			end
-			o << "</select> <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a></span>"
+
+          # Users dropdown
+          assignables = project.assignable_users
+          if (
+            !assignables.empty? &&
+            !readOnlyAttributes.include?('assigned_to_id')
+          )
+            o << "<span class='dynamicEdit' id='usersListDropdown'>"
+            o << "<select data-issue='#{issue_id}'><option disabled='disabled' selected> </option>"
+
+            assignables.each do |u|
+              if (u != issue.assigned_to)
+                o << "<option value='#{u.id}'>#{u.name}</option>"
+              else
+                o << "<option value='#{u.id}' selected>#{u.name}</option>"
+              end
+            end
+
+            o << "</select> <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a></span>"
           end
-		  
-		  # Priorities dropdown
-		  priorities = IssuePriority.all
-		  if(!priorities.empty? && !(readOnlyAttributes.include? 'priority_id'))
-			o << "<span class='dynamicEdit' id='prioritiesListDropdown'>"
-			o << "<select data-issue='#{issue_id}'><option disabled='disabled' selected> </option>"
-			priorities.each do |p|
-				if (p != issue.priority)
-					o << "<option value='#{p.id}'>#{p.name}</option>"
-				else
-					o << "<option value='#{p.id}' selected>#{p.name}</option>"
-				end
-			end
-			o << "</select>  <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a></span>"
-		  end
-		  
-		  # %done dropdown
-		  if(!(readOnlyAttributes.include? 'done_ratio'))
-			  percent = 0
-			  o << "<span class='dynamicEdit' id='doneRatioListDropdown'>"
-			  o << "<select data-issue='#{issue_id}'><option disabled='disabled' selected> </option>"
-			  loop do
-				if (percent == issue.done_ratio)
-						o << "<option value='#{percent}' selected>#{percent}%</option>"
-					else
-						o << "<option value='#{percent}'>#{percent}%</option>"
-					end
-				percent += 10
-				if percent == 110
-					break
-				end
-			  end
-			  o << "</select>  <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a></span>"
-		  end
-		  
-		  # Estimated_time dropdown
-		  if(!(readOnlyAttributes.include? 'estimated_hours'))
-			  o << "<span class='dynamicEdit' id='EstimatedTimeInput'>"
-			  o << "	<input type='text' value='#{issue.estimated_hours}' size='6'/>"
-			  o << "<a href='#' class='btn btn-primary validate' aria-label='" + l(:ide_txt_validation_btn) + "'><i class='fa fa-check fa-fw' aria-hidden='true'></i></a>"
-			  o << "  <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a>"
-			  o << "</span>"
-		  end
-		  
-		  # Start date 
-		  if(!(readOnlyAttributes.include? 'start_date'))
-			  o << "<span class='dynamicEdit' id='StartDateInput'>"
-			  o << "	<input size=\"10\" value=\"#{issue.start_date}\" type=\"date\" max=\"#{issue.due_date}\">"
-			  o << " <a href='#' class='btn btn-primary validate' aria-label='" + l(:ide_txt_validation_btn) + "'><i class='fa fa-check fa-fw' aria-hidden='true'></i></a>"
-			  o << " <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a>"
-			  o << "</span>"
-			  o << "<script>"
-			  o << "//<![CDATA[\n"
-			  o << "	if(typeof datepickerOptions !== 'undefined'){\n"
-			  o << "		$(function() { $('#StartDateInput input').addClass('date').datepickerFallback(datepickerOptions); });\n"
-			  o << "	}\n"
-			  o << "//]]>\n"
-			  o << "</script>"
-		  end
-		  
-		  # Due date 
-		  if(!(readOnlyAttributes.include? 'due_date'))
-			  o << "<span class='dynamicEdit' id='DueDateInput'>"
-			  o << "	<input size=\"10\" value=\"#{issue.due_date}\" type=\"date\" min=\"#{issue.start_date}\">"
-			  o << " <a href='#' class='btn btn-primary validate' aria-label='" + l(:ide_txt_validation_btn) + "'><i class='fa fa-check fa-fw' aria-hidden='true'></i></a>"
-			  o << " <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a>"
-			  o << "</span>"
-			  o << "<script>"
-			  o << "//<![CDATA[\n"
-			  o << "	if(typeof datepickerOptions !== 'undefined'){\n"
-			  o << "		$(function() { $('#DueDateInput input').addClass('date').datepickerFallback(datepickerOptions); });\n"
-			  o << "	}\n"
-			  o << "//]]>\n"
-			  o << "</script>"
-		  end
 
-		  # Title
-		  o << "<span class='dynamicEdit' id='TitleInput'>"
-		  o << "	<input size=\"50\" value=\"#{issue.subject}\" type=\"text\">"
-		  o << " <a href='#' class='btn btn-primary validate' aria-label='" + l(:ide_txt_validation_btn) + "'><i class='fa fa-check fa-fw' aria-hidden='true'></i></a>"
-		  o << " <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a>"
-		  o << "</span>"
+          # Priorities dropdown
+          priorities = IssuePriority.all
 
-		  # Description
-		  o << "<span class='dynamicEdit' id='DescriptionInput'>"
-		  o << "	<textarea name='description' id='description_textarea' cols='60' rows='10' style='width:calc(100\% - 10px)'>#{issue.description}</textarea>"
-		  o << " <div style='display:block; text-align:right; margin-top:10px;'><a href='#' class='btn btn-primary validate' aria-label='" + l(:ide_txt_validation_btn) + "'><i class='fa fa-check fa-fw' aria-hidden='true'></i></a>"
-		  o << " <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a></div>"
-		  o << "</span>"
-		  
-		end
-	  end
-	  
-	  o << "<script>"
+          if !priorities.empty? && !(readOnlyAttributes.include? 'priority_id')
+            o << "<span class='dynamicEdit' id='prioritiesListDropdown'>"
+            o << "<select data-issue='#{issue_id}'><option disabled='disabled' selected> </option>"
 
-	  o << " var CF_VALUE_JSON = " + issue.editable_custom_field_values(User.current).to_json + ";\n"
-	  
-	  o << " var _ISSUE_ID = \"#{issue_id}\";\n"
-	  o << " var _USER_API_KEY = \"#{User.current.api_key}\";\n"
-	  o << " var _BASE_REDMINE_PATH = \"#{Redmine::Utils.relative_url_root}\";\n"
+            priorities.each do |p|
+              if (p != issue.priority)
+                o << "<option value='#{p.id}'>#{p.name}</option>"
+              else
+                o << "<option value='#{p.id}' selected>#{p.name}</option>"
+              end
+            end
 
-	  # Translations text
-	  o << " var _TXT_VALIDATION_BTN = \"" + l(:ide_txt_validation_btn) + "\";\n"
-	  o << " var _TXT_CANCEL_BTN = \"" + l(:ide_txt_cancel_btn) + "\";\n"
-	  o << " var _TXT_ERROR_POSITIVE_NUMBER = \"" + l(:ide_txt_error_positive_number) + "\";\n"
-	  o << " var _TXT_ERROR_START_DATE = \"" + l(:ide_txt_error_start_date) + "\";\n"
-	  o << " var _TXT_ERROR_DUE_DATE = \"" + l(:ide_txt_error_due_date) + "\";\n"
-	  o << " var _TXT_ERROR_AJAX_CALL = \"" + l(:ide_txt_error_ajax_call) + "\";\n"
-	  o << " var _TXT_REQUIRED_FIELD = \"" + l(:ide_txt_required_field) + "\";\n"
-	  o << "</script>\n"
-	  
-	  
-	  
-	  o << "<div style='display:none' id='required_field_array'>#{requiredAttributes.to_json}</div>\n"
-	  
+            o << "</select>  <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a></span>"
+          end
 
-	  # closing the display none div parent
-	  o << "</div>"
-	  return o
+          # %done dropdown
+          if ! readOnlyAttributes.include?('done_ratio')
+            percent = 0
+            o << "<span class='dynamicEdit' id='doneRatioListDropdown'>"
+            o << "<select data-issue='#{issue_id}'><option disabled='disabled' selected> </option>"
+            loop do
+              if percent == issue.done_ratio
+                o << "<option value='#{percent}' selected>#{percent}%</option>"
+              else
+                o << "<option value='#{percent}'>#{percent}%</option>"
+              end
+              percent += 10
+
+              break if percent == 110
+            end
+
+            o << "</select>  <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a></span>"
+          end
+
+          # Estimated_time dropdown
+          if ! readOnlyAttributes.include?('estimated_hours')
+            o << "<span class='dynamicEdit' id='EstimatedTimeInput'>"
+            o << "  <input type='text' value='#{issue.estimated_hours}' size='6'/>"
+            o << "<a href='#' class='btn btn-primary validate' aria-label='" + l(:ide_txt_validation_btn) + "'><i class='fa fa-check fa-fw' aria-hidden='true'></i></a>"
+            o << "  <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a>"
+            o << "</span>"
+          end
+
+          # Start date
+          if ! readOnlyAttributes.include?('start_date')
+            o << "<span class='dynamicEdit' id='StartDateInput'>"
+            o << "  <input size=\"10\" value=\"#{issue.start_date}\" type=\"date\" max=\"#{issue.due_date}\">"
+            o << " <a href='#' class='btn btn-primary validate' aria-label='" + l(:ide_txt_validation_btn) + "'><i class='fa fa-check fa-fw' aria-hidden='true'></i></a>"
+            o << " <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a>"
+            o << "</span>"
+            o << "<script>"
+            o << "//<![CDATA[\n"
+            o << "  if(typeof datepickerOptions !== 'undefined'){\n"
+            o << "    $(function() { $('#StartDateInput input').addClass('date').datepickerFallback(datepickerOptions); });\n"
+            o << "  }\n"
+            o << "//]]>\n"
+            o << "</script>"
+          end
+
+          # Due date
+          if ! readOnlyAttributes.include?('due_date')
+            o << "<span class='dynamicEdit' id='DueDateInput'>"
+            o << "  <input size=\"10\" value=\"#{issue.due_date}\" type=\"date\" min=\"#{issue.start_date}\">"
+            o << " <a href='#' class='btn btn-primary validate' aria-label='" + l(:ide_txt_validation_btn) + "'><i class='fa fa-check fa-fw' aria-hidden='true'></i></a>"
+            o << " <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a>"
+            o << "</span>"
+            o << "<script>"
+            o << "//<![CDATA[\n"
+            o << "  if(typeof datepickerOptions !== 'undefined'){\n"
+            o << "    $(function() { $('#DueDateInput input').addClass('date').datepickerFallback(datepickerOptions); });\n"
+            o << "  }\n"
+            o << "//]]>\n"
+            o << "</script>"
+          end
+
+          # Title
+          o << "<span class='dynamicEdit' id='TitleInput'>"
+          o << "  <input size=\"50\" value=\"#{issue.subject}\" type=\"text\">"
+          o << " <a href='#' class='btn btn-primary validate' aria-label='" + l(:ide_txt_validation_btn) + "'><i class='fa fa-check fa-fw' aria-hidden='true'></i></a>"
+          o << " <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a>"
+          o << "</span>"
+
+          # Description
+          o << "<span class='dynamicEdit' id='DescriptionInput'>"
+          o << "  <textarea name='description' id='description_textarea' cols='60' rows='10' style='width:calc(100\% - 10px)'>#{issue.description}</textarea>"
+          o << " <div style='display:block; text-align:right; margin-top:10px;'><a href='#' class='btn btn-primary validate' aria-label='" + l(:ide_txt_validation_btn) + "'><i class='fa fa-check fa-fw' aria-hidden='true'></i></a>"
+          o << " <a href='#' class='btn btn-primary close' aria-label='" + l(:ide_txt_cancel_btn) + "'><i class='fa fa-times fa-fw' aria-hidden='true'></i></a></div>"
+          o << "</span>"
+        end
+      end
+
+      o << "<script>"
+
+      o << " var CF_VALUE_JSON = " + issue.editable_custom_field_values(User.current).to_json + ";\n"
+
+      o << " var _ISSUE_ID = \"#{issue_id}\";\n"
+      o << " var _USER_API_KEY = \"#{User.current.api_key}\";\n"
+      o << " var _BASE_REDMINE_PATH = \"#{Redmine::Utils.relative_url_root}\";\n"
+
+      # Translations text
+      o << " var _TXT_VALIDATION_BTN = \"" + l(:ide_txt_validation_btn) + "\";\n"
+      o << " var _TXT_CANCEL_BTN = \"" + l(:ide_txt_cancel_btn) + "\";\n"
+      o << " var _TXT_ERROR_POSITIVE_NUMBER = \"" + l(:ide_txt_error_positive_number) + "\";\n"
+      o << " var _TXT_ERROR_START_DATE = \"" + l(:ide_txt_error_start_date) + "\";\n"
+      o << " var _TXT_ERROR_DUE_DATE = \"" + l(:ide_txt_error_due_date) + "\";\n"
+      o << " var _TXT_ERROR_AJAX_CALL = \"" + l(:ide_txt_error_ajax_call) + "\";\n"
+      o << " var _TXT_REQUIRED_FIELD = \"" + l(:ide_txt_required_field) + "\";\n"
+      o << "</script>\n"
+
+      o << "<div style='display:none' id='required_field_array'>#{requiredAttributes.to_json}</div>\n"
+
+      # closing the display none div parent
+      o << "</div>"
+
+      return o
     end
   end
-
 end