dashboard: highlight preferred operations

based on instance status

circle/dashboard/templates/dashboard/vm-detail/_operations.html

@@ -2,10 +2,20 @@
 
 {% for op in ops %}
 {% if op.show_in_toolbar %}
-<a href="{{op.get_url}}" class="operation operation-{{op.op}} btn btn-default btn-xs"
-  title="{{op.name}}: {{op.description}}">
+
+{% if op.disabled %}
+<span class="operation operation-{{op.op}} btn btn-{{op.effect}} disabled btn-xs">
+{% else %}
+<a href="{{op.get_url}}" class="operation operation-{{op.op}} btn
+    btn-{{op.effect}} btn-xs" title="{{op.name}}: {{op.description}}">
+{% endif %}
     <i class="icon-{{op.icon}}"></i>
-    <span class="sr-only">{{op.name}}</span>
+    <span{% if not op.is_preferred %} class="sr-only"{% endif %}>{{op.name}}</span>
+{% if op.disabled %}
+</span>
+{% else %}
 </a>
 {% endif %}
+
+{% endif %}
 {% endfor %}

circle/dashboard/views.py

@@ -534,6 +534,9 @@ class OperationView(DetailView):
     def description(self):
         return self.get_op().description
 
+    def is_preferred(self):
+        return self.get_op().is_preferred()
+
     @classmethod
     def get_urlname(cls):
         return 'dashboard.vm.op.%s' % cls.op

circle/vm/operations.py

@@ -75,6 +75,11 @@ class InstanceOperation(Operation):
                 code_suffix=self.activity_code_suffix, instance=self.instance,
                 user=user)
 
+    def is_preferred(self):
+        """If this is the recommended op in the current state of the instance.
+        """
+        return False
+
 
 class AddInterfaceOperation(InstanceOperation):
     activity_code_suffix = 'add_interface'
@@ -154,6 +159,10 @@ class DeployOperation(InstanceOperation):
     name = _("deploy")
     description = _("Deploy new virtual machine with network.")
 
+    def is_preferred(self):
+        return self.instance.status in (self.instance.STATUS.STOPPED,
+                                        self.instance.STATUS.ERROR)
+
     def on_commit(self, activity):
         activity.resultant_state = 'RUNNING'
 
@@ -337,6 +346,10 @@ class SaveAsTemplateOperation(InstanceOperation):
         """)
     abortable = True
 
+    def is_preferred(self):
+        return (self.instance.is_base and
+                self.instance.status == self.instance.STATUS.RUNNING)
+
     @staticmethod
     def _rename(name):
         m = search(r" v(\d+)$", name)
@@ -472,6 +485,10 @@ class SleepOperation(InstanceOperation):
     name = _("sleep")
     description = _("Suspend virtual machine with memory dump.")
 
+    def is_preferred(self):
+        return (not self.instance.is_base and
+                self.instance.status == self.instance.STATUS.RUNNING)
+
     def check_precond(self):
         super(SleepOperation, self).check_precond()
         if self.instance.status not in ['RUNNING']:
@@ -511,6 +528,10 @@ class WakeUpOperation(InstanceOperation):
         Power on Virtual Machine and load its memory from dump.
         """)
 
+    def is_preferred(self):
+        return (self.instance.is_base and
+                self.instance.status == self.instance.STATUS.SUSPENDED)
+
     def check_precond(self):
         super(WakeUpOperation, self).check_precond()
         if self.instance.status not in ['SUSPENDED']: