kepler.gl
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
229 lines (181 loc) • 22.1 kB
JavaScript
;
var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.LegendRow = exports["default"] = void 0;
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));
var _getPrototypeOf3 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));
var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));
var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _taggedTemplateLiteral2 = _interopRequireDefault(require("@babel/runtime/helpers/taggedTemplateLiteral"));
var _react = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _styledComponents = _interopRequireDefault(require("styled-components"));
var _reselect = require("reselect");
var _d3Format = require("d3-format");
var _moment = _interopRequireDefault(require("moment"));
var _defaultSettings = require("../../constants/default-settings");
var _filterUtils = require("../../utils/filter-utils");
function _templateObject() {
var data = (0, _taggedTemplateLiteral2["default"])(["\n ", ";\n\n max-height: 150px;\n overflow-y: auto;\n\n svg {\n text {\n font-size: 9px;\n fill: ", ";\n }\n }\n"]);
_templateObject = function _templateObject() {
return data;
};
return data;
}
var ROW_H = 10;
var GAP = 4;
var RECT_W = 20;
var StyledLegend = _styledComponents["default"].div(_templateObject(), function (props) {
return props.theme.sidePanelScrollBar;
}, function (props) {
return props.theme.textColor;
});
var defaultFormat = function defaultFormat(d) {
return d;
};
var getTimeLabelFormat = function getTimeLabelFormat(domain) {
var formatter = (0, _filterUtils.getTimeWidgetHintFormatter)(domain);
return function (val) {
return _moment["default"].utc(val).format(formatter);
};
};
var getNumericLabelFormat = function getNumericLabelFormat(domain) {
var diff = domain[1] - domain[0];
if (diff < 10) {
return (0, _d3Format.format)('.2f');
}
return (0, _d3Format.format)('.1f');
};
var getQuantLabelFormat = function getQuantLabelFormat(domain, fieldType) {
// quant scale can only be assigned to linear Fields: real, timestamp, integer
return fieldType === _defaultSettings.ALL_FIELD_TYPES.timestamp ? getTimeLabelFormat(domain) : !fieldType ? defaultFormat : getNumericLabelFormat(domain);
};
var getOrdinalLegends = function getOrdinalLegends(scale) {
var domain = scale.domain();
return {
data: domain.map(scale),
labels: domain
};
};
var getQuantLegends = function getQuantLegends(scale, labelFormat) {
if (typeof scale.invertExtent !== 'function') {
// only quantile, quantize, threshold scale has invertExtent method
return {
data: [],
labels: []
};
}
var labels = scale.range().map(function (d) {
var invert = scale.invertExtent(d);
return "".concat(labelFormat(invert[0]), " to ").concat(labelFormat(invert[1]));
});
return {
data: scale.range(),
labels: labels
};
};
var ColorLegend =
/*#__PURE__*/
function (_Component) {
(0, _inherits2["default"])(ColorLegend, _Component);
function ColorLegend() {
var _getPrototypeOf2;
var _this;
(0, _classCallCheck2["default"])(this, ColorLegend);
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
_this = (0, _possibleConstructorReturn2["default"])(this, (_getPrototypeOf2 = (0, _getPrototypeOf3["default"])(ColorLegend)).call.apply(_getPrototypeOf2, [this].concat(args)));
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "domainSelector", function (props) {
return props.domain;
});
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "rangeSelector", function (props) {
return props.range;
});
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "labelFormatSelector", function (props) {
return props.labelFormat;
});
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "scaleTypeSelector", function (props) {
return props.scaleType;
});
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "fieldTypeSelector", function (props) {
return props.fieldType;
});
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "legendsSelector", (0, _reselect.createSelector)(_this.domainSelector, _this.rangeSelector, _this.scaleTypeSelector, _this.labelFormatSelector, _this.fieldTypeSelector, function (domain, range, scaleType, labelFormat, fieldType) {
var scaleFunction = _defaultSettings.SCALE_FUNC[scaleType]; // color scale can only be quantize, quantile or ordinal
var scale = scaleFunction().domain(domain).range(range);
if (scaleType === _defaultSettings.SCALE_TYPES.ordinal) {
return getOrdinalLegends(scale);
}
var formatLabel = labelFormat || getQuantLabelFormat(scale.domain(), fieldType);
return getQuantLegends(scale, formatLabel);
}));
return _this;
}
(0, _createClass2["default"])(ColorLegend, [{
key: "render",
value: function render() {
var _this$props = this.props,
width = _this$props.width,
scaleType = _this$props.scaleType,
domain = _this$props.domain,
range = _this$props.range,
_this$props$displayLa = _this$props.displayLabel,
displayLabel = _this$props$displayLa === void 0 ? true : _this$props$displayLa;
if (!domain || !range || !scaleType) {
return null;
}
var legends = this.legendsSelector(this.props);
var height = legends.data.length * (ROW_H + GAP);
return _react["default"].createElement(StyledLegend, null, _react["default"].createElement("svg", {
width: width - 24,
height: height
}, legends.data.map(function (color, idx) {
return _react["default"].createElement(LegendRow, {
key: idx,
label: legends.labels[idx],
displayLabel: displayLabel,
color: color,
idx: idx
});
})));
}
}]);
return ColorLegend;
}(_react.Component);
exports["default"] = ColorLegend;
(0, _defineProperty2["default"])(ColorLegend, "propTypes", {
width: _propTypes["default"].number.isRequired,
scaleType: _propTypes["default"].string,
domain: _propTypes["default"].oneOfType([_propTypes["default"].array, _propTypes["default"].object]),
fieldType: _propTypes["default"].string,
range: _propTypes["default"].arrayOf(_propTypes["default"].string),
labelFormat: _propTypes["default"].func
});
var LegendRow = function LegendRow(_ref) {
var _ref$label = _ref.label,
label = _ref$label === void 0 ? '' : _ref$label,
displayLabel = _ref.displayLabel,
color = _ref.color,
idx = _ref.idx;
return _react["default"].createElement("g", {
transform: "translate(0, ".concat(idx * (ROW_H + GAP), ")")
}, _react["default"].createElement("rect", {
width: RECT_W,
height: ROW_H,
style: {
fill: color
}
}), _react["default"].createElement("text", {
x: RECT_W + 8,
y: ROW_H - 1
}, displayLabel ? label.toString() : ''));
};
exports.LegendRow = LegendRow;
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Copyright (c) 2020 Uber Technologies, Inc.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n// of this software and associated documentation files (the \"Software\"), to deal\n// in the Software without restriction, including without limitation the rights\n// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n// copies of the Software, and to permit persons to whom the Software is\n// furnished to do so, subject to the following conditions:\n//\n// The above copyright notice and this permission notice shall be included in\n// all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n// THE SOFTWARE.\n\nimport React, {Component} from 'react';\nimport PropTypes from 'prop-types';\nimport styled from 'styled-components';\nimport {createSelector} from 'reselect';\nimport {format} from 'd3-format';\nimport moment from 'moment';\nimport {SCALE_TYPES, SCALE_FUNC, ALL_FIELD_TYPES} from 'constants/default-settings';\nimport {getTimeWidgetHintFormatter} from 'utils/filter-utils';\n\nconst ROW_H = 10;\nconst GAP = 4;\nconst RECT_W = 20;\n\nconst StyledLegend = styled.div`\n  ${props => props.theme.sidePanelScrollBar};\n\n  max-height: 150px;\n  overflow-y: auto;\n\n  svg {\n    text {\n      font-size: 9px;\n      fill: ${props => props.theme.textColor};\n    }\n  }\n`;\n\nconst defaultFormat = d => d;\n\nconst getTimeLabelFormat = domain => {\n  const formatter = getTimeWidgetHintFormatter(domain);\n  return val => moment.utc(val).format(formatter);\n};\n\nconst getNumericLabelFormat = domain => {\n  const diff = domain[1] - domain[0];\n\n  if (diff < 10) {\n    return format('.2f');\n  }\n\n  return format('.1f');\n};\n\nconst getQuantLabelFormat = (domain, fieldType) => {\n  // quant scale can only be assigned to linear Fields: real, timestamp, integer\n  return fieldType === ALL_FIELD_TYPES.timestamp\n    ? getTimeLabelFormat(domain)\n    : !fieldType\n    ? defaultFormat\n    : getNumericLabelFormat(domain);\n};\n\nconst getOrdinalLegends = scale => {\n  const domain = scale.domain();\n  return {\n    data: domain.map(scale),\n    labels: domain\n  };\n};\n\nconst getQuantLegends = (scale, labelFormat) => {\n  if (typeof scale.invertExtent !== 'function') {\n    // only quantile, quantize, threshold scale has invertExtent method\n    return {\n      data: [],\n      labels: []\n    };\n  }\n\n  const labels = scale.range().map(d => {\n    const invert = scale.invertExtent(d);\n    return `${labelFormat(invert[0])} to ${labelFormat(invert[1])}`;\n  });\n\n  return {\n    data: scale.range(),\n    labels\n  };\n};\n\nexport default class ColorLegend extends Component {\n  static propTypes = {\n    width: PropTypes.number.isRequired,\n    scaleType: PropTypes.string,\n    domain: PropTypes.oneOfType([PropTypes.array, PropTypes.object]),\n    fieldType: PropTypes.string,\n    range: PropTypes.arrayOf(PropTypes.string),\n    labelFormat: PropTypes.func\n  };\n\n  domainSelector = props => props.domain;\n  rangeSelector = props => props.range;\n  labelFormatSelector = props => props.labelFormat;\n  scaleTypeSelector = props => props.scaleType;\n  fieldTypeSelector = props => props.fieldType;\n\n  legendsSelector = createSelector(\n    this.domainSelector,\n    this.rangeSelector,\n    this.scaleTypeSelector,\n    this.labelFormatSelector,\n    this.fieldTypeSelector,\n    (domain, range, scaleType, labelFormat, fieldType) => {\n      const scaleFunction = SCALE_FUNC[scaleType];\n      // color scale can only be quantize, quantile or ordinal\n      const scale = scaleFunction()\n        .domain(domain)\n        .range(range);\n\n      if (scaleType === SCALE_TYPES.ordinal) {\n        return getOrdinalLegends(scale);\n      }\n\n      const formatLabel = labelFormat || getQuantLabelFormat(scale.domain(), fieldType);\n\n      return getQuantLegends(scale, formatLabel);\n    }\n  );\n\n  render() {\n    const {width, scaleType, domain, range, displayLabel = true} = this.props;\n\n    if (!domain || !range || !scaleType) {\n      return null;\n    }\n\n    const legends = this.legendsSelector(this.props);\n    const height = legends.data.length * (ROW_H + GAP);\n\n    return (\n      <StyledLegend>\n        <svg width={width - 24} height={height}>\n          {legends.data.map((color, idx) => (\n            <LegendRow\n              key={idx}\n              label={legends.labels[idx]}\n              displayLabel={displayLabel}\n              color={color}\n              idx={idx}\n            />\n          ))}\n        </svg>\n      </StyledLegend>\n    );\n  }\n}\n\nexport const LegendRow = ({label = '', displayLabel, color, idx}) => (\n  <g transform={`translate(0, ${idx * (ROW_H + GAP)})`}>\n    <rect width={RECT_W} height={ROW_H} style={{fill: color}} />\n    <text x={RECT_W + 8} y={ROW_H - 1}>\n      {displayLabel ? label.toString() : ''}\n    </text>\n  </g>\n);\n"]}