From a85cfb1a9536cb04ed3f89df171862f3e393941a Mon Sep 17 00:00:00 2001
From: Robin Knaur <rknaur@redhat.com>
Date: Wed, 3 Aug 2016 15:24:32 +0200
Subject: [PATCH] Generic toolbar button for skip, disable and error message
 (transferred from ManageIQ/manageiq@5e9ecb1de6cf92beeefce1f87bc7f078b03678cf)

---
 .../generic_feature_button_with_disable.rb    | 24 +++++++++++++++++++
 .../application_helper/toolbar/x_vm_center.rb |  5 ++--
 2 files changed, 27 insertions(+), 2 deletions(-)
 create mode 100644 app/helpers/application_helper/button/generic_feature_button_with_disable.rb

diff --git a/app/helpers/application_helper/button/generic_feature_button_with_disable.rb b/app/helpers/application_helper/button/generic_feature_button_with_disable.rb
new file mode 100644
index 00000000000..5494272a7a0
--- /dev/null
+++ b/app/helpers/application_helper/button/generic_feature_button_with_disable.rb
@@ -0,0 +1,24 @@
+class ApplicationHelper::Button::GenericFeatureButtonWithDisable < ApplicationHelper::Button::GenericFeatureButton
+  needs_record
+
+  def calculate_properties
+    self[:enabled] = !(self[:title] = @error_message if disabled?)
+  end
+
+  def disabled?
+<<<<<<< HEAD
+    !!(@error_message = @record.is_available_now_error_message(@feature))
+=======
+    begin
+      begin
+        @error_message = @record.try(:unsupported_reason, @feature)
+      rescue NoMethodError
+        @error_message = @record.try(:is_available_now_error_message, @feature) if @error_message.nil?
+      end
+    rescue
+      @error_message = 'Feature is not supported.'
+      true
+    end
+>>>>>>> 407f786... fixup
+  end
+end
diff --git a/app/helpers/application_helper/toolbar/x_vm_center.rb b/app/helpers/application_helper/toolbar/x_vm_center.rb
index 6a42ae2b0dc..fedd1fd05db 100644
--- a/app/helpers/application_helper/toolbar/x_vm_center.rb
+++ b/app/helpers/application_helper/toolbar/x_vm_center.rb
@@ -106,7 +106,7 @@ class ApplicationHelper::Toolbar::XVmCenter < ApplicationHelper::Toolbar::Basic
           'product product-clone fa-lg',
           t = N_('Clone this VM'),
           t,
-          :klass => ApplicationHelper::Button::GenericFeatureButton,
+          :klass   => ApplicationHelper::Button::GenericFeatureButton,
           :options => {:feature => :clone}),
         button(
           :vm_publish,
@@ -187,7 +187,8 @@ class ApplicationHelper::Toolbar::XVmCenter < ApplicationHelper::Toolbar::Basic
           N_('Power On'),
           :image   => "power_on",
           :confirm => N_("Power On this VM?"),
-          :klass   => ApplicationHelper::Button::VmStart),
+          :klass   => ApplicationHelper::Button::GenericFeatureButtonWithDisable,
+          :options => {:feature => :start}),
         button(
           :vm_stop,
           nil,