kepler.gl
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
319 lines (258 loc) • 34.1 kB
JavaScript
"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));
var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));
var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _taggedTemplateLiteral2 = _interopRequireDefault(require("@babel/runtime/helpers/taggedTemplateLiteral"));
var _react = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _styledComponents = _interopRequireWildcard(require("styled-components"));
var _d3Selection = require("d3-selection");
var _d3Brush = require("d3-brush");
var _dataUtils = require("../../utils/data-utils");
var _templateObject;
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = (0, _getPrototypeOf2["default"])(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = (0, _getPrototypeOf2["default"])(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return (0, _possibleConstructorReturn2["default"])(this, result); }; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
var StyledG = _styledComponents["default"].g(_templateObject || (_templateObject = (0, _taggedTemplateLiteral2["default"])(["\n .selection {\n stroke: none;\n fill: ", ";\n fill-opacity: ", ";\n }\n .handle {\n fill: ", ";\n fill-opacity: 0.3;\n }\n"])), function (props) {
return props.isRanged ? props.theme.rangeBrushBgd : props.theme.BLUE2;
}, function (props) {
return props.isRanged ? 0.3 : 1;
}, function (props) {
return props.theme.BLUE2;
});
function moveRight(startSel, selection) {
var _startSel = (0, _slicedToArray2["default"])(startSel, 1),
startSel0 = _startSel[0];
var _selection = (0, _slicedToArray2["default"])(selection, 1),
sel0 = _selection[0];
return Boolean(startSel0 === sel0);
} // style brush resize handle
// https://github.com/crossfilter/crossfilter/blob/gh-pages/index.html#L466
var getHandlePath = function getHandlePath(props) {
return function brushResizePath(d) {
var e = Number(d.type === 'e');
var x = e ? 1 : -1;
var h = 39;
var w = 4.5;
var y = (props.height - h) / 2;
return "M".concat(0.5 * x, ",").concat(y, "c").concat(2.5 * x, ",0,").concat(w * x, ",2,").concat(w * x, ",").concat(w, "v").concat(h - w * 2, "c0,2.5,").concat(-2 * x, ",").concat(w, ",").concat(-w * x, ",").concat(w, "V").concat(y, "z");
};
};
function RangeBrushFactory() {
var RangeBrush = /*#__PURE__*/function (_Component) {
(0, _inherits2["default"])(RangeBrush, _Component);
var _super = _createSuper(RangeBrush);
function RangeBrush() {
var _this;
(0, _classCallCheck2["default"])(this, RangeBrush);
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
_this = _super.call.apply(_super, [this].concat(args));
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "rootContainer", /*#__PURE__*/(0, _react.createRef)());
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "_brushed", function (evt) {
var _this2;
// Ignore brush events which don't have an underlying sourceEvent
if (!evt.sourceEvent) return;
var _evt$selection = (0, _slicedToArray2["default"])(evt.selection, 2),
sel0 = _evt$selection[0],
sel1 = _evt$selection[1];
var right = moveRight(_this._startSel, evt.selection);
var _this$props = _this.props,
_this$props$range = (0, _slicedToArray2["default"])(_this$props.range, 2),
min = _this$props$range[0],
max = _this$props$range[1],
step = _this$props.step,
width = _this$props.width,
marks = _this$props.marks,
isRanged = _this$props.isRanged;
var invert = function invert(x) {
return x * (max - min) / width + min;
};
var d0 = invert(sel0);
var d1 = invert(sel1);
d0 = (0, _dataUtils.normalizeSliderValue)(d0, min, step, marks);
d1 = (0, _dataUtils.normalizeSliderValue)(d1, min, step, marks);
if (isRanged) _this._move(d0, d1);else (_this2 = _this)._move.apply(_this2, (0, _toConsumableArray2["default"])(right ? [d1, d1] : [d0, d0]));
if (isRanged) _this._onBrush(d0, d1);else _this._onBrush(right ? d1 : d0);
});
return _this;
}
(0, _createClass2["default"])(RangeBrush, [{
key: "componentDidMount",
value: function componentDidMount() {
var _this3 = this;
// We want the React app to respond to brush state and vice-versa
// but d3-brush fires the same events for both user-initiated brushing
// and programmatic brushing (brush.move). We need these flags to
// distinguish between the uses.
//
// We don't use state because that would trigger another `componentDidUpdate`
var _this$props2 = this.props,
theme = _this$props2.theme,
isRanged = _this$props2.isRanged,
onMouseoverHandle = _this$props2.onMouseoverHandle,
onMouseoutHandle = _this$props2.onMouseoutHandle;
this.brushing = false;
this.moving = false;
this.root = (0, _d3Selection.select)(this.rootContainer.current);
this.brush = (0, _d3Brush.brushX)().handleSize(3).on('start', function (event) {
if (typeof _this3.props.onBrushStart === 'function') _this3.props.onBrushStart();
_this3._startSel = event.selection;
}).on('brush', function (event) {
if (_this3.moving) {
return;
}
if (event.selection) {
_this3._lastSel = event.selection;
_this3.brushing = true;
_this3._brushed(event);
}
}).on('end', function (event) {
if (!event.selection) {
if (_this3.brushing) {
// handle null selection
_this3._click(_this3._lastSel);
} else if (_this3._startSel) {
// handle click
_this3._click(_this3._startSel);
}
}
if (typeof _this3.props.onBrushEnd === 'function') _this3.props.onBrushEnd();
_this3.brushing = false;
_this3.moving = false;
});
this.root.call(this.brush);
var brushResizePath = getHandlePath(this.props);
this.handle = this.root.selectAll('.handle--custom').data([{
type: 'w'
}, {
type: 'e'
}]).enter().append('path').attr('class', 'handle--custom').attr('display', isRanged ? null : 'none').attr('fill', theme ? theme.sliderHandleColor : '#D3D8E0').attr('cursor', 'ew-resize').attr('d', brushResizePath).on('mouseover', function () {
if (onMouseoverHandle) onMouseoverHandle();
}).on('mouseout', function () {
if (onMouseoutHandle) onMouseoutHandle();
});
var _this$props$value = (0, _slicedToArray2["default"])(this.props.value, 2),
val0 = _this$props$value[0],
val1 = _this$props$value[1];
this.moving = true;
this._move(val0, val1);
}
}, {
key: "componentDidUpdate",
value: function componentDidUpdate(prevProps) {
var _this$props3 = this.props,
_this$props3$value = (0, _slicedToArray2["default"])(_this$props3.value, 2),
val0 = _this$props3$value[0],
val1 = _this$props3$value[1],
width = _this$props3.width;
var _prevProps$value = (0, _slicedToArray2["default"])(prevProps.value, 2),
prevVal0 = _prevProps$value[0],
prevVal1 = _prevProps$value[1];
if (prevProps.width !== width) {
// width change should not trigger this._brushed
this.moving = true;
this.root.call(this.brush);
this._move(val0, val1);
}
if (!this.brushing && !this.moving) {
if (prevVal0 !== val0 || prevVal1 !== val1) {
this.moving = true;
this._move(val0, val1);
}
}
if (!this.props.isRanged) {
this.handle.attr('display', 'none');
}
}
}, {
key: "_click",
value: function _click(selection) {
// fake brush
this.brushing = true;
this._brushed({
sourceEvent: {},
selection: selection
});
}
}, {
key: "_move",
value: function _move(val0, val1) {
var _this$props4 = this.props,
_this$props4$range = (0, _slicedToArray2["default"])(_this$props4.range, 2),
min = _this$props4$range[0],
max = _this$props4$range[1],
width = _this$props4.width,
isRanged = _this$props4.isRanged;
if (width && max - min) {
var scale = function scale(x) {
return (x - min) * width / (max - min);
};
if (!isRanged) {
// only draw a 1 pixel line
this.brush.move(this.root, [scale(val0), scale(val0) + 1]);
} else {
this.brush.move(this.root, [scale(val0), scale(val1)]);
this.handle.attr('display', null).attr('transform', function (d, i) {
return "translate(".concat([i === 0 ? scale(val0) : scale(val1), 0], ")");
});
}
}
}
}, {
key: "_onBrush",
value: function _onBrush(val0, val1) {
var _this$props5 = this.props,
isRanged = _this$props5.isRanged,
_this$props5$value = (0, _slicedToArray2["default"])(_this$props5.value, 2),
currentVal0 = _this$props5$value[0],
currentVal1 = _this$props5$value[1];
if (currentVal0 === val0 && currentVal1 === val1) {
return;
}
if (isRanged) {
this.props.onBrush(val0, val1);
} else {
this.props.onBrush(val0, val0);
}
}
}, {
key: "render",
value: function render() {
var isRanged = this.props.isRanged;
return /*#__PURE__*/_react["default"].createElement(StyledG, {
className: "kg-range-slider__brush",
isRanged: isRanged,
ref: this.rootContainer
});
}
}]);
return RangeBrush;
}(_react.Component);
(0, _defineProperty2["default"])(RangeBrush, "propTypes", {
onBrush: _propTypes["default"].func.isRequired,
range: _propTypes["default"].arrayOf(_propTypes["default"].number).isRequired,
value: _propTypes["default"].arrayOf(_propTypes["default"].number).isRequired,
width: _propTypes["default"].number.isRequired,
isRanged: _propTypes["default"].bool
});
(0, _defineProperty2["default"])(RangeBrush, "defaultProps", {
isRanged: true
});
return (0, _styledComponents.withTheme)(RangeBrush);
}
var _default = RangeBrushFactory;
exports["default"] = _default;
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Copyright (c) 2021 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, createRef} from 'react';\nimport PropTypes from 'prop-types';\nimport styled, {withTheme} from 'styled-components';\nimport {select} from 'd3-selection';\nimport {brushX} from 'd3-brush';\nimport {normalizeSliderValue} from 'utils/data-utils';\n\nconst StyledG = styled.g`\n  .selection {\n    stroke: none;\n    fill: ${props => (props.isRanged ? props.theme.rangeBrushBgd : props.theme.BLUE2)};\n    fill-opacity: ${props => (props.isRanged ? 0.3 : 1)};\n  }\n  .handle {\n    fill: ${props => props.theme.BLUE2};\n    fill-opacity: 0.3;\n  }\n`;\n\nfunction moveRight(startSel, selection) {\n  const [startSel0] = startSel;\n  const [sel0] = selection;\n\n  return Boolean(startSel0 === sel0);\n}\n// style brush resize handle\n// https://github.com/crossfilter/crossfilter/blob/gh-pages/index.html#L466\nconst getHandlePath = props => {\n  return function brushResizePath(d) {\n    const e = Number(d.type === 'e');\n    const x = e ? 1 : -1;\n    const h = 39;\n    const w = 4.5;\n    const y = (props.height - h) / 2;\n    return `M${0.5 * x},${y}c${2.5 * x},0,${w * x},2,${w * x},${w}v${h - w * 2}c0,2.5,${-2 *\n      x},${w},${-w * x},${w}V${y}z`;\n  };\n};\n\nfunction RangeBrushFactory() {\n  class RangeBrush extends Component {\n    static propTypes = {\n      onBrush: PropTypes.func.isRequired,\n      range: PropTypes.arrayOf(PropTypes.number).isRequired,\n      value: PropTypes.arrayOf(PropTypes.number).isRequired,\n      width: PropTypes.number.isRequired,\n      isRanged: PropTypes.bool\n    };\n\n    static defaultProps = {\n      isRanged: true\n    };\n\n    componentDidMount() {\n      // We want the React app to respond to brush state and vice-versa\n      // but d3-brush fires the same events for both user-initiated brushing\n      // and programmatic brushing (brush.move). We need these flags to\n      // distinguish between the uses.\n      //\n      // We don't use state because that would trigger another `componentDidUpdate`\n      const {theme, isRanged, onMouseoverHandle, onMouseoutHandle} = this.props;\n\n      this.brushing = false;\n      this.moving = false;\n\n      this.root = select(this.rootContainer.current);\n      this.brush = brushX()\n        .handleSize(3)\n        .on('start', event => {\n          if (typeof this.props.onBrushStart === 'function') this.props.onBrushStart();\n          this._startSel = event.selection;\n        })\n        .on('brush', event => {\n          if (this.moving) {\n            return;\n          }\n          if (event.selection) {\n            this._lastSel = event.selection;\n            this.brushing = true;\n            this._brushed(event);\n          }\n        })\n        .on('end', event => {\n          if (!event.selection) {\n            if (this.brushing) {\n              // handle null selection\n              this._click(this._lastSel);\n            } else if (this._startSel) {\n              // handle click\n              this._click(this._startSel);\n            }\n          }\n\n          if (typeof this.props.onBrushEnd === 'function') this.props.onBrushEnd();\n\n          this.brushing = false;\n          this.moving = false;\n        });\n\n      this.root.call(this.brush);\n      const brushResizePath = getHandlePath(this.props);\n      this.handle = this.root\n        .selectAll('.handle--custom')\n        .data([{type: 'w'}, {type: 'e'}])\n        .enter()\n        .append('path')\n        .attr('class', 'handle--custom')\n        .attr('display', isRanged ? null : 'none')\n        .attr('fill', theme ? theme.sliderHandleColor : '#D3D8E0')\n        .attr('cursor', 'ew-resize')\n        .attr('d', brushResizePath)\n        .on('mouseover', () => {\n          if (onMouseoverHandle) onMouseoverHandle();\n        })\n        .on('mouseout', () => {\n          if (onMouseoutHandle) onMouseoutHandle();\n        });\n\n      const {\n        value: [val0, val1]\n      } = this.props;\n      this.moving = true;\n      this._move(val0, val1);\n    }\n\n    componentDidUpdate(prevProps) {\n      const {\n        value: [val0, val1],\n        width\n      } = this.props;\n      const [prevVal0, prevVal1] = prevProps.value;\n\n      if (prevProps.width !== width) {\n        // width change should not trigger this._brushed\n        this.moving = true;\n        this.root.call(this.brush);\n        this._move(val0, val1);\n      }\n\n      if (!this.brushing && !this.moving) {\n        if (prevVal0 !== val0 || prevVal1 !== val1) {\n          this.moving = true;\n          this._move(val0, val1);\n        }\n      }\n\n      if (!this.props.isRanged) {\n        this.handle.attr('display', 'none');\n      }\n    }\n\n    rootContainer = createRef();\n\n    _click(selection) {\n      // fake brush\n      this.brushing = true;\n      this._brushed({sourceEvent: {}, selection});\n    }\n\n    _move(val0, val1) {\n      const {\n        range: [min, max],\n        width,\n        isRanged\n      } = this.props;\n\n      if (width && max - min) {\n        const scale = x => ((x - min) * width) / (max - min);\n        if (!isRanged) {\n          // only draw a 1 pixel line\n          this.brush.move(this.root, [scale(val0), scale(val0) + 1]);\n        } else {\n          this.brush.move(this.root, [scale(val0), scale(val1)]);\n\n          this.handle\n            .attr('display', null)\n            .attr('transform', (d, i) => `translate(${[i === 0 ? scale(val0) : scale(val1), 0]})`);\n        }\n      }\n    }\n\n    _brushed = evt => {\n      // Ignore brush events which don't have an underlying sourceEvent\n      if (!evt.sourceEvent) return;\n      const [sel0, sel1] = evt.selection;\n      const right = moveRight(this._startSel, evt.selection);\n\n      const {\n        range: [min, max],\n        step,\n        width,\n        marks,\n        isRanged\n      } = this.props;\n      const invert = x => (x * (max - min)) / width + min;\n      let d0 = invert(sel0);\n      let d1 = invert(sel1);\n\n      d0 = normalizeSliderValue(d0, min, step, marks);\n      d1 = normalizeSliderValue(d1, min, step, marks);\n\n      if (isRanged) this._move(d0, d1);\n      else this._move(...(right ? 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