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Implement show_empty functionality for the markdown card (#21379)
* Implement show_empty functionality * Implement show_empty functionality * import fireEvent * Order imports correctly * Lint with prettier * Unhide card when appropriate * only run show code if card is hidden * Commit coderabbit code cleanup Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com> * linting --------- Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
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@ -9,6 +9,7 @@ import {
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} from "lit";
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import { customElement, property, state } from "lit/decorators";
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import { classMap } from "lit/directives/class-map";
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import { fireEvent } from "../../../common/dom/fire_event";
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import { applyThemesOnElement } from "../../../common/dom/apply_themes_on_element";
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import "../../../components/ha-card";
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import "../../../components/ha-markdown";
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@ -113,7 +114,15 @@ export class HuiMarkdownCard extends LitElement implements LovelaceCard {
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if (changedProps.has("_config")) {
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this._tryConnect();
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}
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const shouldBeHidden =
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this._templateResult &&
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this._config.show_empty === false &&
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this._templateResult.result.length === 0;
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if (shouldBeHidden !== this.hidden) {
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this.style.display = shouldBeHidden ? "none" : "block";
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this.toggleAttribute("hidden", shouldBeHidden);
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fireEvent(this, "card-visibility-changed", { value: !shouldBeHidden });
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}
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const oldHass = changedProps.get("hass") as HomeAssistant | undefined;
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const oldConfig = changedProps.get("_config") as
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| MarkdownCardConfig
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@ -316,6 +316,7 @@ export interface MarkdownCardConfig extends LovelaceCardConfig {
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card_size?: number;
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entity_ids?: string | string[];
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theme?: string;
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show_empty?: boolean;
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}
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export interface MediaControlCardConfig extends LovelaceCardConfig {
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