kepler.gl.geoiq
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
210 lines (167 loc) • 17.7 kB
JavaScript
"use strict";
var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
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 _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));
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 _d3Selection = require("d3-selection");
var _d3Brush = require("d3-brush");
function _templateObject() {
var data = (0, _taggedTemplateLiteral2["default"])(["\n .selection {\n stroke: none;\n fill: ", ";\n opacity: 1;\n }\n"]);
_templateObject = function _templateObject() {
return data;
};
return data;
}
var StyledG = _styledComponents["default"].g(_templateObject(), function (props) {
return props.theme.rangeBrushBgd;
});
var RangeBrush =
/*#__PURE__*/
function (_Component) {
(0, _inherits2["default"])(RangeBrush, _Component);
function RangeBrush() {
(0, _classCallCheck2["default"])(this, RangeBrush);
return (0, _possibleConstructorReturn2["default"])(this, (0, _getPrototypeOf2["default"])(RangeBrush).apply(this, arguments));
}
(0, _createClass2["default"])(RangeBrush, [{
key: "componentDidMount",
value: function componentDidMount() {
var _this = this;
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],
_this$props$value = (0, _slicedToArray2["default"])(_this$props.value, 2),
val0 = _this$props$value[0],
val1 = _this$props$value[1]; // We want the React app to respond to brush state and vice-versa
// but d3-brush fires the same events for both user-initiated brushing
// and programmatic brushing (brush.move). We need these flags to
// distinguish between the uses.
//
// We don't use state because that would trigger another `componentDidUpate`
this.brushing = false;
this.moving = false;
this.root = (0, _d3Selection.select)(this.rootContainer);
this.brush = (0, _d3Brush.brushX)().on('start', function () {
_this.brushing = true;
}).on('brush', function () {
if (_this.moving) {
return;
}
_d3Selection.event.selection === null ? _this._reset() : _this._brush(_d3Selection.event.selection);
}).on('end', function () {
if (!_this.moving && _d3Selection.event.selection === null) {
_this._reset();
}
_this.brushing = false;
_this.moving = false;
});
this.root.call(this.brush);
if (val0 === min && val1 === max) {
this._reset();
}
}
}, {
key: "componentDidUpdate",
value: function componentDidUpdate(prevProps) {
var _this$props2 = this.props,
_this$props2$range = (0, _slicedToArray2["default"])(_this$props2.range, 2),
min = _this$props2$range[0],
max = _this$props2$range[1],
_this$props2$value = (0, _slicedToArray2["default"])(_this$props2.value, 2),
val0 = _this$props2$value[0],
val1 = _this$props2$value[1],
width = _this$props2.width;
var _prevProps$value = (0, _slicedToArray2["default"])(prevProps.value, 2),
prevVal0 = _prevProps$value[0],
prevVal1 = _prevProps$value[1];
if (prevProps.width !== width) {
this.root.call(this.brush);
this._move(val0, val1);
}
if (!this.brushing && !this.moving) {
if (val0 === min && val1 === max) {
this.moving = true;
this.brush.move(this.root, null);
}
if (prevVal0 !== val0 || prevVal1 !== val1) {
this.moving = true;
this._move(val0, val1);
}
}
}
}, {
key: "_reset",
value: function _reset() {
var _this$props$range2 = (0, _slicedToArray2["default"])(this.props.range, 2),
minValue = _this$props$range2[0],
maxValue = _this$props$range2[1];
this.props.onBrush(minValue, maxValue);
}
}, {
key: "_move",
value: function _move(val0, val1) {
var _this$props3 = this.props,
_this$props3$domain = (0, _slicedToArray2["default"])(_this$props3.domain, 2),
min = _this$props3$domain[0],
max = _this$props3$domain[1],
width = _this$props3.width;
var scale = function scale(x) {
return (x - min) * width / (max - min);
};
this.brush.move(this.root, [scale(val0), scale(val1)]);
}
}, {
key: "_brush",
value: function _brush(_ref) {
var _ref2 = (0, _slicedToArray2["default"])(_ref, 2),
sel0 = _ref2[0],
sel1 = _ref2[1];
var _this$props4 = this.props,
_this$props4$domain = (0, _slicedToArray2["default"])(_this$props4.domain, 2),
min = _this$props4$domain[0],
max = _this$props4$domain[1],
onBrush = _this$props4.onBrush,
width = _this$props4.width;
var invert = function invert(x) {
return x * (max - min) / width + min;
};
onBrush(invert(sel0), invert(sel1));
}
}, {
key: "render",
value: function render() {
var _this2 = this;
return _react["default"].createElement(StyledG, {
className: "kg-range-slider__brush",
innerRef: function innerRef(comp) {
_this2.rootContainer = comp;
}
});
}
}]);
return RangeBrush;
}(_react.Component);
exports["default"] = RangeBrush;
(0, _defineProperty2["default"])(RangeBrush, "propTypes", {
domain: _propTypes["default"].arrayOf(_propTypes["default"].number).isRequired,
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
});
;
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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 {event, select} from 'd3-selection';\nimport {brushX} from 'd3-brush';\n\nconst StyledG = styled.g`\n  .selection {\n    stroke: none;\n    fill: ${props => props.theme.rangeBrushBgd};\n    opacity: 1;\n  }\n`;\n\nexport default class RangeBrush extends Component {\n  static propTypes = {\n    domain: PropTypes.arrayOf(PropTypes.number).isRequired,\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  };\n\n  componentDidMount() {\n    const {range: [min, max], value: [val0, val1]} = this.props;\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 `componentDidUpate`\n    this.brushing = false;\n    this.moving = false;\n\n    this.root = select(this.rootContainer);\n    this.brush = brushX()\n      .on('start', () => {\n        this.brushing = true;\n      })\n      .on('brush', () => {\n        if (this.moving) {\n          return;\n        }\n\n        event.selection === null ? this._reset() : this._brush(event.selection);\n      })\n      .on('end', () => {\n        if (!this.moving && event.selection === null) {\n          this._reset();\n        }\n\n        this.brushing = false;\n        this.moving = false;\n      });\n\n    this.root.call(this.brush);\n\n    if (val0 === min && val1 === max) {\n      this._reset();\n    }\n  }\n\n  componentDidUpdate(prevProps) {\n    const {range: [min, max], value: [val0, val1], width} = this.props;\n    const [prevVal0, prevVal1] = prevProps.value;\n\n    if (prevProps.width !== width) {\n      this.root.call(this.brush);\n      this._move(val0, val1);\n    }\n\n    if (!this.brushing && !this.moving) {\n      if (val0 === min && val1 === max) {\n        this.moving = true;\n        this.brush.move(this.root, null);\n      }\n\n      if (prevVal0 !== val0 || prevVal1 !== val1) {\n        this.moving = true;\n        this._move(val0, val1);\n      }\n    }\n  }\n\n  _reset() {\n    const [minValue, maxValue] = this.props.range;\n    this.props.onBrush(minValue, maxValue);\n  }\n\n  _move(val0, val1) {\n    const {domain: [min, max], width} = this.props;\n    const scale = x => (x - min) * width / (max - min);\n    this.brush.move(this.root, [scale(val0), scale(val1)]);\n  }\n\n  _brush([sel0, sel1]) {\n    const {domain: [min, max], onBrush, width} = this.props;\n    const invert = x => x * (max - min) / width + min;\n    onBrush(invert(sel0), invert(sel1));\n  }\n\n  render() {\n    return <StyledG className=\"kg-range-slider__brush\"\n                    innerRef={comp => {\n      this.rootContainer = comp;\n    }}/>;\n  }\n};\n"]}