7104–RGB Picker

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Background

We want to render the following student list by using ReactJS library.

When dragging the 3 slider, the RGB background color and the text changes.

Requirement

  • Try to use ReactDOM to render the view.
  • You need to define your own data structure.
  • You will need to divide the HTML code into different React Component.
  • You may use style={styleObject} object to set the CSS directly in ReactJS component.

Submission guideline

  • If you use codepen with Babel for the exercise, please submit the URL.
  • If you work on files, you may upload them in the submission form through zip or files.

Notes

You may use the following slider shadow DOM styles:

/* Slider */
/* From: https://css-tricks.com/styling-cross-browser-compatible-range-inputs-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: lightgray;
  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: lightgray;
}
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: lightgray;
  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: lightgray;
  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: pointer;
}
input[type=range]:focus::-ms-fill-lower {
  background: lightgray;
}
input[type=range]:focus::-ms-fill-upper {
  background: lightgray;
}

Marking scheme