add numberSetdimension.dialog (#560)

open a new PR to have a clean commits/rebase history

Author: ninggao

packages/dialog/templates/en-us/common.lg

@@ -37,6 +37,12 @@ Which value do you want for @{name(property)}?
 - ELSEIF: @{greater(number, dialogClass.schema.properties[property].maximum)}
 - @{number} is greater than the maximum value @{dialogClass.schema.properties[property].maximum}.
 
+# unitsAlert(property)
+- IF: @{dialogClass.schema.properties[property].$units}
+- Required response for @{property} should be in @{dialogClass.schema.properties[property].$units}.
+- ELSE:
+- Unit for @{property} is not defined in the schema.
+
 # askString(property)
 - ```
 @{askHelp()}

packages/dialog/templates/numberSetdimension.dialog.lg

@@ -0,0 +1,41 @@
+# filename
+- @{schemaName}-@{property}Setdimension.dialog
+
+# template
+- ```
+{
+    "$schema": "@{appSchema}",
+    "$kind": "Microsoft.OnAssignEntity",
+    "property": "@{property}",
+    "entity": "dimension",
+    "actions": [
+        {
+            "$kind": "Microsoft.IfCondition",
+            "condition": "equals(@dimension.units, dialogClass.schema.properties['@{property}'].$units)",
+            "actions":[
+                {
+                    "$kind": "Microsoft.SendActivity",
+                    "activity": "@{callSetMessage()}"
+                }, 
+                {
+                    "$kind": "Microsoft.SetProperty",
+                    "property": "$@{property}",
+                    "value": "=@dimension.number"          
+                }
+            ],
+            "elseActions":[
+                {
+                    "$kind": "Microsoft.SendActivity",
+                    "activity": "@{callUnitsAlert()}"
+                }
+            ]
+        }
+    ]               
+}
+```
+
+# callSetMessage
+- @\{setObjectPropertyMessage('@{property}',string(@dimension.number))}
+
+# callUnitsAlert
+- @\{unitsAlert('@{property}')}