vertical-stack-in-card.js

console.log(
  `%cvertical-stack-in-card\n%cVersion: ${'1.0.1'}`,
  'color: #1976d2; font-weight: bold;',
  ''
);

class VerticalStackInCard extends HTMLElement {
  constructor() {
    super();
  }

  setConfig(config) {
    this._cardSize = {};
    this._cardSize.promise = new Promise(
      (resolve) => (this._cardSize.resolve = resolve)
    );

    if (!config || !config.cards || !Array.isArray(config.cards)) {
      throw new Error('Card config incorrect');
    }
    this._config = config;
    this._refCards = [];
    this.renderCard();
  }

  async renderCard() {
    const config = this._config;
    const promises = config.cards.map((config) =>
      this._createCardElement(config)
    );
    this._refCards = await Promise.all(promises);

    // Style cards
    this._refCards.forEach((card) => {
      if (card.updateComplete) {
        card.updateComplete.then(() => this._styleCard(card));
      } else {
        this._styleCard(card);
      }
    });

    // Create the card
    const card = document.createElement('ha-card');
    const cardContent = document.createElement('div');
    card.header = config.title;
    card.style.overflow = 'hidden';
    this._refCards.forEach((card) => cardContent.appendChild(card));
    if (config.horizontal) {
      cardContent.style.display = 'flex';
      cardContent.childNodes.forEach((card) => {
        card.style.flex = '1 1 0';
        card.style.minWidth = 0;
      });
    }
    card.appendChild(cardContent);

    const shadowRoot = this.shadowRoot || this.attachShadow({ mode: 'open' });
    while (shadowRoot.hasChildNodes()) {
      shadowRoot.removeChild(shadowRoot.lastChild);
    }
    shadowRoot.appendChild(card);

    // Calculate card size
    this._cardSize.resolve();
  }

  async _createCardElement(cardConfig) {
    const helpers = await window.loadCardHelpers();
    const element =
      cardConfig.type === 'divider'
        ? helpers.createRowElement(cardConfig)
        : helpers.createCardElement(cardConfig);

    element.hass = this._hass;
    element.addEventListener(
      'll-rebuild',
      (ev) => {
        ev.stopPropagation();
        this._createCardElement(cardConfig).then(() => {
          this.renderCard();
        });
      },
      { once: true }
    );
    return element;
  }

  set hass(hass) {
    this._hass = hass;
    if (this._refCards) {
      this._refCards.forEach((card) => {
        card.hass = hass;
      });
    }
  }

  _styleCard(element) {
    const config = this._config;
    if (element.shadowRoot) {
      if (element.shadowRoot.querySelector('ha-card')) {
        let ele = element.shadowRoot.querySelector('ha-card');
        ele.style.boxShadow = 'none';
        ele.style.borderRadius = '0';
        ele.style.border = 'none';
        if ('styles' in config) {
          Object.entries(config.styles).forEach(([key, value]) =>
            ele.style.setProperty(key, value)
          );
        }
      } else {
        let searchEles = element.shadowRoot.getElementById('root');
        if (!searchEles) {
          searchEles = element.shadowRoot.getElementById('card');
        }
        if (!searchEles) return;
        searchEles = searchEles.childNodes;
        for (let i = 0; i < searchEles.length; i++) {
          if (searchEles[i].style) {
            searchEles[i].style.margin = '0px';
          }
          this._styleCard(searchEles[i]);
        }
      }
    } else {
      if (
        typeof element.querySelector === 'function' &&
        element.querySelector('ha-card')
      ) {
        let ele = element.querySelector('ha-card');
        ele.style.boxShadow = 'none';
        ele.style.borderRadius = '0';
        ele.style.border = 'none';
        if ('styles' in config) {
          Object.entries(config.styles).forEach(([key, value]) =>
            ele.style.setProperty(key, value)
          );
        }
      }
      let searchEles = element.childNodes;
      for (let i = 0; i < searchEles.length; i++) {
        if (searchEles[i] && searchEles[i].style) {
          searchEles[i].style.margin = '0px';
        }
        this._styleCard(searchEles[i]);
      }
    }
  }

  _computeCardSize(card) {
    if (typeof card.getCardSize === 'function') {
      return card.getCardSize();
    }
    return customElements
      .whenDefined(card.localName)
      .then(() => this._computeCardSize(card))
      .catch(() => 1);
  }

  async getCardSize() {
    await this._cardSize.promise;
    const sizes = await Promise.all(this._refCards.map(this._computeCardSize));
    return sizes.reduce((a, b) => a + b, 0);
  }

  static async getConfigElement() {
    // Ensure the hui-stack-card-editor is loaded.
    let cls = customElements.get('hui-vertical-stack-card');
    if (!cls) {
      const helpers = await window.loadCardHelpers();
      helpers.createCardElement({ type: 'vertical-stack', cards: [] });
      await customElements.whenDefined('hui-vertical-stack-card');
      cls = customElements.get('hui-vertical-stack-card');
    }
    const configElement = await cls.getConfigElement();

    // Patch setConfig to remove non-VSIC config options.
    const originalSetConfig = configElement.setConfig;
    configElement.setConfig = (config) =>
      originalSetConfig.call(configElement, {
        type: config.type,
        title: config.title,
        cards: config.cards || [],
      });

    return configElement;
  }

  static getStubConfig() {
    return {
      cards: [],
    };
  }
}

customElements.define('vertical-stack-in-card', VerticalStackInCard);
window.customCards = window.customCards || [];
window.customCards.push({
  type: 'vertical-stack-in-card',
  name: 'Vertical Stack In Card',
  description: 'Group multiple cards into a single sleek card.',
  preview: false,
  documentationURL: 'https://github.com/ofekashery/vertical-stack-in-card',
});