preact-material-components/Slider/index.js

preact wrapper for "Material Components for the web"

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _preact = require("preact");

var _MaterialComponent = _interopRequireDefault(require("../MaterialComponent"));

var _slider = require("@material/slider");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }

/**
 * @prop disabled = false
 */
class Slider extends _MaterialComponent.default {
  constructor() {
    super();
    this.componentName = 'slider';
    this._mdcProps = ['discrete'];
    this._onChange = this._onChange.bind(this);
    this._onInput = this._onInput.bind(this);
  }

  _onChange(e) {
    if (this.props.onChange) {
      this.props.onChange(e);
    }
  }

  _onInput(e) {
    if (this.props.onInput) {
      this.props.onInput(e);
    }
  }

  componentDidMount() {
    this.MDComponent = new _slider.MDCSlider(this.base);
    this.MDComponent.listen('MDCSlider:change', this._onChange);
    this.MDComponent.listen('MDCSlider:input', this._onInput);
    this.setValue(); // set initial value programatically because of error if min is greater than initial max
  }

  componentWillUnmount() {
    this.MDComponent.unlisten('MDCSlider:change', this._onChange);
    this.MDComponent.unlisten('MDCSlider:input', this._onInput);
    this.MDComponent.destroy && this.MDComponent.destroy();
  }

  getValue() {
    return this.MDComponent.value;
  }

  setValue(props = this.props) {
    const _props$disabled = props.disabled,
          disabled = _props$disabled === void 0 ? false : _props$disabled,
          _props$min = props.min,
          min = _props$min === void 0 ? 0 : _props$min,
          _props$max = props.max,
          max = _props$max === void 0 ? 100 : _props$max,
          value = props.value,
          step = props.step;

    if (this.MDComponent) {
      if (min > this.MDComponent.max) {
        this.MDComponent.max = max;
        this.MDComponent.min = min;
      } else {
        this.MDComponent.min = min;
        this.MDComponent.max = max;
      }

      this.MDComponent.value = value;
      this.MDComponent.disabled = disabled;
      this.MDComponent.step = step;
    }
  }

  materialDom(allprops) {
    const _allprops$tabindex = allprops.tabindex,
          tabindex = _allprops$tabindex === void 0 ? 0 : _allprops$tabindex,
          props = _objectWithoutProperties(allprops, ["tabindex"]);

    this.setValue(allprops);
    return (0, _preact.h)("div", _extends({
      tabindex: tabindex,
      role: "slider",
      "aria-label": "Select Value"
    }, props), (0, _preact.h)("div", {
      "class": "mdc-slider__track-container"
    }, (0, _preact.h)("div", {
      "class": "mdc-slider__track"
    })), (0, _preact.h)("div", {
      "class": "mdc-slider__thumb-container"
    }, props.discrete && (0, _preact.h)("div", {
      "class": "mdc-slider__pin"
    }, (0, _preact.h)("span", {
      "class": "mdc-slider__pin-value-marker"
    })), (0, _preact.h)("svg", {
      "class": "mdc-slider__thumb",
      width: "21",
      height: "21"
    }, (0, _preact.h)("circle", {
      cx: "10.5",
      cy: "10.5",
      r: "7.875"
    })), (0, _preact.h)("div", {
      "class": "mdc-slider__focus-ring"
    })));
  }

}

exports.default = Slider;