Add logarithmic scale option to History graph card

home-assistant · Nov 13, 2023 · 78df6d6 · 78df6d6
1 parent d110d8d
commit 78df6d6
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Showing 6 changed files with 30 additions and 4 deletions.
diff --git a/src/components/chart/state-history-chart-line.ts b/src/components/chart/state-history-chart-line.ts
@@ -45,6 +45,8 @@ export class StateHistoryChartLine extends LitElement {
 
   @property({ type: Number }) public chartIndex?;
 
+  @property({ type: Boolean }) public logarithmicScale = false;
+
   @state() private _chartData?: ChartData<"line">;
 
   @state() private _entityIds: string[] = [];
@@ -78,7 +80,8 @@ export class StateHistoryChartLine extends LitElement {
       !this.hasUpdated ||
       changedProps.has("showNames") ||
       changedProps.has("startTime") ||
-      changedProps.has("endTime")
+      changedProps.has("endTime") ||
+      changedProps.has("logarithmicScale")
     ) {
       this._chartOptions = {
         parsing: false,
@@ -132,6 +135,7 @@ export class StateHistoryChartLine extends LitElement {
               }
             },
             position: computeRTL(this.hass) ? "right" : "left",
+            type: this.logarithmicScale ? "logarithmic" : "linear",
           },
         },
         plugins: {

diff --git a/src/components/chart/state-history-charts.ts b/src/components/chart/state-history-charts.ts
@@ -73,6 +73,8 @@ export class StateHistoryCharts extends LitElement {
 
   @property({ type: Boolean }) public isLoadingData = false;
 
+  @property({ type: Boolean }) public logarithmicScale = false;
+
   private _computedStartTime!: Date;
 
   private _computedEndTime!: Date;
@@ -159,6 +161,7 @@ export class StateHistoryCharts extends LitElement {
           .names=${this.names}
           .chartIndex=${index}
           .clickForMoreInfo=${this.clickForMoreInfo}
+          .logarithmicScale=${this.logarithmicScale}
           @y-width-changed=${this._yWidthChanged}
         ></state-history-chart-line>
       </div> `;

diff --git a/src/panels/lovelace/cards/hui-history-graph-card.ts b/src/panels/lovelace/cards/hui-history-graph-card.ts
@@ -216,6 +216,7 @@ export class HuiHistoryGraphCard extends LitElement implements LovelaceCard {
                   .showNames=${this._config.show_names !== undefined
                     ? this._config.show_names
                     : true}
+                  .logarithmicScale=${this._config.logarithmic_scale || false}
                 ></state-history-charts>
               `}
         </div>

diff --git a/src/panels/lovelace/cards/types.ts b/src/panels/lovelace/cards/types.ts
@@ -317,6 +317,7 @@ export interface HistoryGraphCardConfig extends LovelaceCardConfig {
   hours_to_show?: number;
   title?: string;
   show_names?: boolean;
+  logarithmic_scale?: boolean;
 }
 
 export interface StatisticsGraphCardConfig extends LovelaceCardConfig {

diff --git a/src/panels/lovelace/editor/config-elements/hui-history-graph-card-editor.ts b/src/panels/lovelace/editor/config-elements/hui-history-graph-card-editor.ts
@@ -31,6 +31,7 @@ const cardConfigStruct = assign(
     hours_to_show: optional(number()),
     refresh_interval: optional(number()), // deprecated
     show_names: optional(boolean()),
+    logarithmic_scale: optional(boolean()),
   })
 );
 
@@ -47,6 +48,11 @@ const SCHEMA = [
       },
     ],
   },
+  {
+    name: "logarithmic_scale",
+    required: false,
+    selector: { boolean: {} },
+  },
 ] as const;
 
 @customElement("hui-history-graph-card-editor")
@@ -100,8 +106,18 @@ export class HuiHistoryGraphCardEditor
     fireEvent(this, "config-changed", { config });
   }
 
-  private _computeLabelCallback = (schema: SchemaUnion<typeof SCHEMA>) =>
-    this.hass!.localize(`ui.panel.lovelace.editor.card.generic.${schema.name}`);
+  private _computeLabelCallback = (schema: SchemaUnion<typeof SCHEMA>) => {
+    switch (schema.name) {
+      case "logarithmic_scale":
+        return this.hass!.localize(
+          `ui.panel.lovelace.editor.card.history-graph.${schema.name}`
+        );
+      default:
+        return this.hass!.localize(
+          `ui.panel.lovelace.editor.card.generic.${schema.name}`
+        );
+    }
+  };
 
   static styles: CSSResultGroup = css`
     ha-form {

diff --git a/src/translations/en.json b/src/translations/en.json
@@ -4971,7 +4971,8 @@
             },
             "history-graph": {
               "name": "History graph",
-              "description": "The History graph card allows you to display a graph for each of the entities listed."
+              "description": "The History graph card allows you to display a graph for each of the entities listed.",
+              "logarithmic_scale": "Logarithmic scale"
             },
             "statistics-graph": {
               "name": "Statistics graph",