Add icons for fan preset modes (#109334)

Co-authored-by: Franck Nijhof <frenck@frenck.nl>

homeassistant/components/demo/fan.py

@@ -90,6 +90,7 @@ class BaseDemoFan(FanEntity):
     """A demonstration fan component that uses legacy fan speeds."""
 
     _attr_should_poll = False
+    _attr_translation_key = "demo"
 
     def __init__(
         self,

homeassistant/components/demo/icons.json

@@ -23,6 +23,21 @@
         }
       }
     },
+    "fan": {
+      "demo": {
+        "state_attributes": {
+          "preset_mode": {
+            "default": "mdi:circle-medium",
+            "state": {
+              "auto": "mdi:fan-auto",
+              "sleep": "mdi:bed",
+              "smart": "mdi:brain",
+              "on": "mdi:power"
+            }
+          }
+        }
+      }
+    },
     "number": {
       "volume": {
         "default": "mdi:volume-high"

homeassistant/components/demo/strings.json

@@ -46,6 +46,20 @@
         }
       }
     },
+    "fan": {
+      "demo": {
+        "state_attributes": {
+          "preset_mode": {
+            "state": {
+              "auto": "[%key:component::climate::entity_component::_::state_attributes::fan_mode::state::auto%]",
+              "sleep": "[%key:component::climate::entity_component::_::state_attributes::preset_mode::state::sleep%]",
+              "smart": "Smart",
+              "on": "[%key:common::state::on%]"
+            }
+          }
+        }
+      }
+    },
     "event": {
       "push": {
         "state_attributes": {

homeassistant/components/fan/icons.json

@@ -11,6 +11,10 @@
           "state": {
             "reverse": "mdi:rotate-left"
           }
+        },
+        "preset_mode": {
+          "default": "mdi:circle-medium",
+          "state": {}
         }
       }
     }