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Allow for multiple color schemes (apache#3295)
* Allow for multiple color schemes 1. create ColorSchemeControl component 2. using the same new control component for linear colors * add color spectum for linear color scheme * remove dup css * fix controls setting for linear color scheme * minor fix by code review comment
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superset/assets/javascripts/explore/components/controls/ColorSchemeControl.jsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| import React from 'react'; | ||
| import PropTypes from 'prop-types'; | ||
| import { Creatable } from 'react-select'; | ||
| import ControlHeader from '../ControlHeader'; | ||
|
|
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| import { colorScalerFactory } from '../../../modules/colors'; | ||
|
|
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| const propTypes = { | ||
| description: PropTypes.string, | ||
| label: PropTypes.string.isRequired, | ||
| name: PropTypes.string.isRequired, | ||
| onChange: PropTypes.func, | ||
| value: PropTypes.string, | ||
| default: PropTypes.string, | ||
| choices: PropTypes.arrayOf(React.PropTypes.array).isRequired, | ||
| schemes: PropTypes.object.isRequired, | ||
| isLinear: PropTypes.bool, | ||
| }; | ||
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| const defaultProps = { | ||
| choices: [], | ||
| schemes: {}, | ||
| onChange: () => {}, | ||
| }; | ||
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| export default class ColorSchemeControl extends React.PureComponent { | ||
| constructor(props) { | ||
| super(props); | ||
| this.state = { | ||
| scheme: this.props.value, | ||
| }; | ||
|
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| this.onChange = this.onChange.bind(this); | ||
| this.renderOption = this.renderOption.bind(this); | ||
| } | ||
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| onChange(option) { | ||
| const optionValue = option ? option.value : null; | ||
| this.props.onChange(optionValue); | ||
| this.setState({ scheme: optionValue }); | ||
| } | ||
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| renderOption(key) { | ||
| const currentScheme = key.value ? | ||
| this.props.schemes[key.value] : | ||
| this.props.schemes[defaultProps.value]; | ||
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| let colors = currentScheme; | ||
| if (this.props.isLinear) { | ||
| const colorScaler = colorScalerFactory(currentScheme); | ||
| colors = [...Array(20).keys()].map(d => (colorScaler(d / 20))); | ||
| } | ||
|
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| const list = colors.map((color, i) => ( | ||
| <li | ||
| key={`${currentScheme}-${i}`} | ||
| style={{ backgroundColor: color, border: `1px solid ${color === 'white' ? 'black' : color}` }} | ||
| > </li> | ||
| )); | ||
| return (<ul className="color-scheme-container">{list}</ul>); | ||
| } | ||
|
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| render() { | ||
| const selectProps = { | ||
| multi: false, | ||
| name: `select-${this.props.name}`, | ||
| placeholder: `Select (${this.props.choices.length})`, | ||
| default: this.props.default, | ||
| options: this.props.choices.map(choice => ({ value: choice[0], label: choice[1] })), | ||
| value: this.props.value, | ||
| autosize: false, | ||
| clearable: false, | ||
| onChange: this.onChange, | ||
| optionRenderer: this.renderOption, | ||
| valueRenderer: this.renderOption, | ||
| }; | ||
| return ( | ||
| <div> | ||
| <ControlHeader {...this.props} /> | ||
| <Creatable {...selectProps} /> | ||
| </div> | ||
| ); | ||
| } | ||
| } | ||
|
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| ColorSchemeControl.propTypes = propTypes; | ||
| ColorSchemeControl.defaultProps = defaultProps; |
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