Sliders

Sliders Using HTML input range.

by Abdallah Okasha

HTML

<div id="app"></div>

CSS

input[type=range] {
  -webkit-appearance: none;
  margin: 18px 0;
  width: 100%;
}
input[type=range]:focus {
  outline: none;
}
input[type=range]::-webkit-slider-runnable-track {
  width: 100%;
  height: 8.4px;
  cursor: pointer;
  animate: 0.2s;
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  background: #3071a9;
  border-radius: 1.3px;
  border: 0.2px solid #010101;
}
input[type=range]::-webkit-slider-thumb {
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  border: 1px solid #000000;
  height: 36px;
  width: 16px;
  border-radius: 3px;
  background: #ffffff;
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -14px;
}
input[type=range]:focus::-webkit-slider-runnable-track {
  background: #367ebd;
}
input[type=range]::-moz-range-track {
  width: 100%;
  height: 8.4px;
  cursor: pointer;
  animate: 0.2s;
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  background: #3071a9;
  border-radius: 1.3px;
  border: 0.2px solid #010101;
}
input[type=range]::-moz-range-thumb {
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  border: 1px solid #000000;
  height: 36px;
  width: 16px;
  border-radius: 3px;
  background: #ffffff;
  cursor: pointer;
}
input[type=range]::-ms-track {
  width: 100%;
  height: 8.4px;
  cursor: pointer;
  animate: 0.2s;
  background: transparent;
  border-color: transparent;
  border-width: 16px 0;
  color: transparent;
}
input[type=range]::-ms-fill-lower {
  background: #2a6495;
  border: 0.2px solid #010101;
  border-radius: 2.6px;
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
}
input[type=range]::-ms-fill-upper {
  background: #3071a9;
  border: 0.2px solid #010101;
  border-radius: 2.6px;
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
}
input[type=range]::-ms-thumb {
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  border: 1px solid #000000;
  height: 36px;
  width: 16px;
  border-radius: 3px;
  background: #ffffff;
  cursor:...

React

class SlidersExample extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      slidersLabels: ["A", "B", "C", "D"],
      sumOfCustomWeights: 0,
      slidersWeights: []
    };
  }
  componentDidMount() {
    const slidersLabels = this.state.slidersLabels;
    const slidersWeights = [];
    for (var i = 0; i < slidersLabels.length; ++i)
      slidersWeights[slidersLabels[i]] = 0;
    this.setState({ slidersWeights });
  }

  render() {
    return (
      <div>
        {this.generateSliders()}
        <span> Total Weights: {this.state.sumOfCustomWeights} </span>
      </div>
    );
  }
  generateSliders() {
    const slidersLabels = this.state.slidersLabels;
    var sliders = [];
    for (var i = 0; i < slidersLabels.length; ++i) {
      sliders.push(
        <div style={{ marginTop: "20px", marginBottom: "20px" }}>
          <span style={{ fontSize: "16px", marginBottom: "6px" }}>
            {" "}
            {slidersLabels[i]} ({this.state.slidersWeights[slidersLabels[i]]})%
          </span>
          <input
            id={slidersLabels[i]}
            type="range"
            defaultValue="0"
            min="0"
            max="100"
            className="slider"
            onChange={this.handleSliderChange.bind(this)}
            step="1"
          />
        </div>
      );
    }
     return sliders;
  }
  handleSliderChange(event) {
    console.log(event.target.value, " ", event.target.id);
    var id = event.target.id;
    var value = event.target.value;
    const slidersWeights = this.state.slidersWeights;
    slidersWeights[id] = parseInt(value);
    var sumOfCustomWeights = 0;
    const slidersLabels = this.state.slidersLabels;
    for (var i = 0; i < slidersLabels.length; i++)
      sumOfCustomWeights += slidersWeights[slidersLabels[i]];
    this.setState({ slidersWeights, sumOfCustomWeights });
  }
}

ReactDOM.render(<SlidersExample />, document.querySelector("#app"));