Show user friendly attribute names in picker

src/components/entity/ha-entity-attribute-picker.ts

@@ -19,6 +19,7 @@ import { PolymerChangedEvent } from "../../polymer-types";
 import { HomeAssistant } from "../../types";
 import "../ha-svg-icon";
 import "./state-badge";
+import { formatAttributeName } from "../../util/hass-attributes-util";
 import "@material/mwc-icon-button/mwc-icon-button";
 
 export type HaEntityPickerEntityFilterFunc = (entityId: HassEntity) => boolean;
@@ -35,7 +36,9 @@ const rowRenderer = (root: HTMLElement, _owner, model: { item: string }) => {
       <paper-item></paper-item>
     `;
   }
-  root.querySelector("paper-item")!.textContent = model.item;
+  root.querySelector("paper-item")!.textContent = formatAttributeName(
+    model.item
+  );
 };
 
 @customElement("ha-entity-attribute-picker")
@@ -92,7 +95,7 @@ class HaEntityAttributePicker extends LitElement {
           this.hass.localize(
             "ui.components.entity.entity-attribute-picker.attribute"
           )}
-          .value=${this._value}
+          .value=${this._value ? formatAttributeName(this._value) : ""}
           .disabled=${this.disabled || !this.entityId}
           class="input"
           autocapitalize="none"
@@ -140,7 +143,7 @@ class HaEntityAttributePicker extends LitElement {
   }
 
   private get _value() {
-    return this.value || "";
+    return this.value;
   }
 
   private _openedChanged(ev: PolymerChangedEvent<boolean>) {

src/components/ha-attributes.ts

@@ -9,7 +9,9 @@ import {
   TemplateResult,
 } from "lit-element";
 import { until } from "lit-html/directives/until";
-import hassAttributeUtil from "../util/hass-attributes-util";
+import hassAttributeUtil, {
+  formatAttributeName,
+} from "../util/hass-attributes-util";
 
 let jsYamlPromise: Promise<typeof import("js-yaml")>;
 
@@ -34,7 +36,7 @@ class HaAttributes extends LitElement {
           (attribute) => html`
             <div class="data-entry">
               <div class="key">
-                ${attribute.replace(/_/g, " ").replace(/\bid\b/g, "ID")}
+                ${formatAttributeName(attribute)}
               </div>
               <div class="value">
                 ${this.formatAttribute(attribute)}
@@ -61,12 +63,12 @@ class HaAttributes extends LitElement {
         justify-content: space-between;
       }
       .data-entry .value {
-        max-width: 200px;
+        max-width: 50%;
         overflow-wrap: break-word;
         text-align: right;
       }
-      .key:first-letter {
-        text-transform: capitalize;
+      .key {
+        flex-grow: 1;
       }
       .attribution {
         color: var(--secondary-text-color);

src/components/ha-climate-state.ts

@@ -63,7 +63,7 @@ class HaClimateState extends LitElement {
 
   private _computeTarget(): string {
     if (!this.hass || !this.stateObj) {
-    	return "";
+      return "";
     }
 
     if (

src/dialogs/more-info/controls/more-info-sun.ts

@@ -72,6 +72,12 @@ class MoreInfoSun extends LitElement {
         flex-direction: row;
         justify-content: space-between;
       }
+      ha-relative-time {
+        display: inline-block;
+      }
+      ha-relative-time::first-letter {
+        text-transform: lowercase;
+      }
     `;
   }
 }

src/panels/config/customize/types/ha-customize-icon.js

@@ -21,7 +21,7 @@ class HaCustomizeIcon extends PolymerElement {
       <ha-icon class="icon-image" icon="[[item.value]]"></ha-icon>
       <paper-input
         disabled="[[item.secondary]]"
-        label="icon"
+        label="Icon"
         value="{{item.value}}"
       >
       </paper-input>

src/panels/config/customize/types/ha-customize-string.js

@@ -2,6 +2,7 @@ import "@polymer/paper-input/paper-input";
 import { html } from "@polymer/polymer/lib/utils/html-tag";
 /* eslint-plugin-disable lit */
 import { PolymerElement } from "@polymer/polymer/polymer-element";
+import { formatAttributeName } from "../../../../util/hass-attributes-util";
 
 class HaCustomizeString extends PolymerElement {
   static get template() {
@@ -25,7 +26,10 @@ class HaCustomizeString extends PolymerElement {
   }
 
   getLabel(item) {
-    return item.description + (item.type === "json" ? " (JSON formatted)" : "");
+    return (
+      formatAttributeName(item.description) +
+      (item.type === "json" ? " (JSON formatted)" : "")
+    );
   }
 }
 customElements.define("ha-customize-string", HaCustomizeString);

src/translations/en.json

@@ -528,7 +528,6 @@
         "history": "History",
         "last_changed": "Last changed",
         "last_updated": "Last updated",
-        "last_changed": "Last changed",
         "script": {
           "last_action": "Last Action",
           "last_triggered": "Last Triggered"

src/util/hass-attributes-util.ts

@@ -0,0 +1,120 @@
+const hassAttributeUtil = {
+  DOMAIN_DEVICE_CLASS: {
+    binary_sensor: [
+      "battery",
+      "cold",
+      "connectivity",
+      "door",
+      "garage_door",
+      "gas",
+      "heat",
+      "light",
+      "lock",
+      "moisture",
+      "motion",
+      "moving",
+      "occupancy",
+      "opening",
+      "plug",
+      "power",
+      "presence",
+      "problem",
+      "safety",
+      "smoke",
+      "sound",
+      "vibration",
+      "window",
+    ],
+    cover: [
+      "awning",
+      "blind",
+      "curtain",
+      "damper",
+      "door",
+      "garage",
+      "shade",
+      "shutter",
+      "window",
+    ],
+    humidifier: ["dehumidifier", "humidifier"],
+    sensor: [
+      "battery",
+      "humidity",
+      "illuminance",
+      "temperature",
+      "pressure",
+      "power",
+      "signal_strength",
+      "timestamp",
+    ],
+    switch: ["switch", "outlet"],
+  },
+  UNKNOWN_TYPE: "json",
+  ADD_TYPE: "key-value",
+  TYPE_TO_TAG: {
+    string: "ha-customize-string",
+    json: "ha-customize-string",
+    icon: "ha-customize-icon",
+    boolean: "ha-customize-boolean",
+    array: "ha-customize-array",
+    "key-value": "ha-customize-key-value",
+  },
+  LOGIC_STATE_ATTRIBUTES: {},
+};
+
+// Attributes here serve dual purpose:
+// 1) Any key of this object won't be shown in more-info window.
+// 2) Any key which has value other than undefined will appear in customization
+//    config according to its value.
+hassAttributeUtil.LOGIC_STATE_ATTRIBUTES = {
+  entity_picture: undefined,
+  friendly_name: { type: "string", description: "Name" },
+  icon: { type: "icon" },
+  emulated_hue: {
+    type: "boolean",
+    domains: ["emulated_hue"],
+  },
+  emulated_hue_name: {
+    type: "string",
+    domains: ["emulated_hue"],
+  },
+  haaska_hidden: undefined,
+  haaska_name: undefined,
+  supported_features: undefined,
+  attribution: undefined,
+  restored: undefined,
+  custom_ui_more_info: { type: "string" },
+  custom_ui_state_card: { type: "string" },
+  device_class: {
+    type: "array",
+    options: hassAttributeUtil.DOMAIN_DEVICE_CLASS,
+    description: "Device class",
+    domains: ["binary_sensor", "cover", "humidifier", "sensor", "switch"],
+  },
+  assumed_state: {
+    type: "boolean",
+    domains: [
+      "switch",
+      "light",
+      "cover",
+      "climate",
+      "fan",
+      "humidifier",
+      "group",
+      "water_heater",
+    ],
+  },
+  initial_state: {
+    type: "string",
+    domains: ["automation"],
+  },
+  unit_of_measurement: { type: "string" },
+};
+
+export default hassAttributeUtil;
+
+// Convert from internal snake_case format to user-friendly format
+export function formatAttributeName(value: string): string {
+  value = value.replace(/_/g, " ").replace(/\bid\b/g, "ID");
+  return value.charAt(0).toUpperCase() + value.slice(1);
+}