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| class LightSlider extends HTMLElement { | |
| constructor() { | |
| super(); | |
| this.attachShadow({ mode: 'open' }); | |
| this._state = {}; | |
| } | |
| set hass(hass) { | |
| this._hass = hass; | |
| const entity = hass.states[this._config.entity]; | |
| if (entity && entity.state != this._state.state || entity.attributes.brightness != this._state.brightness) { | |
| this._state.state = entity.state; | |
| this._state.brightness = entity.attributes.brightness; | |
| this._updateContent(entity); | |
| } | |
| } | |
| setConfig(config) { | |
| // Check config | |
| if (!config.entity || config.entity.split(".")[0] !== 'light') { | |
| throw new Error('Please define an entity'); | |
| } | |
| // Cleanup DOM | |
| const root = this.shadowRoot; | |
| if (root.lastChild) root.removeChild(root.lastChild); | |
| config = Object.assign({}, config); | |
| const card = document.createElement('ha-element'); | |
| const style = document.createElement('style'); | |
| style.textContent = ` | |
| <style> | |
| paper-slider {width: 100%;} | |
| </style> | |
| `; | |
| card.appendChild(style); | |
| const content = document.createElement('div'); | |
| content.id = "content"; | |
| content.innerHTML = ` | |
| <div class='state' > | |
| <paper-slider | |
| min=0 | |
| max=255 | |
| value='' | |
| step=1 | |
| pin | |
| ignore-bar-touch | |
| ></paper-slider> | |
| </div> | |
| `; | |
| const slider = content.querySelector('paper-slider'); | |
| slider.addEventListener('mousedown', ev => { | |
| // clear any running timeout | |
| clearTimeout(this._timeout); | |
| }); | |
| slider.addEventListener('mouseup', ev => { | |
| // start a timer to only trigger service after a period of inactivity | |
| this._timeout = setTimeout(() => { | |
| const bri = parseInt(slider.value, 10); | |
| if (isNaN(bri)) return; | |
| if (bri !== this._state.brightness) { | |
| if (bri === 0) { | |
| this._hass.callService('light', 'turn_off', { | |
| entity_id: config.entity, | |
| }); | |
| } else { | |
| this._hass.callService('light', 'turn_on', { | |
| entity_id: config.entity, | |
| brightness: bri, | |
| }); | |
| } | |
| } | |
| }, 1000) | |
| }); | |
| card.appendChild(content); | |
| root.appendChild(card); | |
| this._config = config; | |
| this._content = content; | |
| } | |
| _updateContent(light) { | |
| const state = light.attributes.brightness | |
| const slider = this._content.querySelector('paper-slider'); | |
| // update only value | |
| slider.value = state; | |
| } | |
| } | |
| customElements.define('light-slider', LightSlider); |
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