kepler.gl.geoiq
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
226 lines (194 loc) • 19.8 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.fitBoundsUpdater = exports.INITIAL_MAP_STATE = void 0;
exports.getMapDimForSplitMap = getMapDimForSplitMap;
exports.updateMapUpdater = exports.toggleSplitMapUpdater = exports.togglePerspectiveUpdater = exports.resetMapConfigUpdater = exports.receiveMapConfigUpdater = void 0;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _geoViewport = _interopRequireDefault(require("@mapbox/geo-viewport"));
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { (0, _defineProperty2["default"])(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
/**
* Updaters for `mapState` reducer. Can be used in your root reducer to directly modify kepler.gl's state.
* Read more about [Using updaters](../advanced-usage/using-updaters.md)
* @public
* @example
*
* import keplerGlReducer, {mapStateUpdaters} from 'kepler.gl/reducers';
* // Root Reducer
* const reducers = combineReducers({
* keplerGl: keplerGlReducer,
* app: appReducer
* });
*
* const composedReducer = (state, action) => {
* switch (action.type) {
* // click button to close side panel
* case 'CLICK_BUTTON':
* return {
* ...state,
* keplerGl: {
* ...state.keplerGl,
* foo: {
* ...state.keplerGl.foo,
* mapState: mapStateUpdaters.fitBoundsUpdater(
* mapState, {payload: [127.34, 31.09, 127.56, 31.59]]}
* )
* }
* }
* };
* }
* return reducers(state, action);
* };
*
* export default composedReducer;
*/
/* eslint-disable no-unused-vars */
var mapStateUpdaters = null;
/* eslint-enable no-unused-vars */
/**
* Default initial `mapState`
* @memberof mapStateUpdaters
* @constant
* @property {number} pitch Default: `0`
* @property {number} bearing Default: `0`
* @property {number} latitude Default: `37.75043`
* @property {number} longitude Default: `-122.34679`
* @property {number} zoom Default: `9`
* @property {boolean} dragRotate Default: `false`
* @property {number} width Default: `800`
* @property {number} height Default: `800`
* @property {boolean} isSplit Default: `false`
* @public
*/
var INITIAL_MAP_STATE = exports.INITIAL_MAP_STATE = {
pitch: 0,
bearing: 0,
latitude: 37.75043,
longitude: -122.34679,
zoom: 9,
dragRotate: false,
width: 800,
height: 800,
isSplit: false
};
/* Updaters */
/**
* Update map viewport
* @memberof mapStateUpdaters
* @param {Object} state
* @param {Object} action
* @param {Object} action.payload - viewport
* @returns {Object} nextState
* @public
*/
var updateMapUpdater = exports.updateMapUpdater = function updateMapUpdater(state, action) {
return _objectSpread(_objectSpread({}, state), action.payload || {});
};
/**
* Fit map viewport to bounds
* @memberof mapStateUpdaters
* @param {Object} state
* @param {Object} action
* @param {number[]} action.payload - bounds as `[lngMin, latMin, lngMax, latMax]`
* @returns {Object} nextState
* @public
*/
var fitBoundsUpdater = exports.fitBoundsUpdater = function fitBoundsUpdater(state, action) {
var bounds = action.payload;
var _geoViewport$viewport = _geoViewport["default"].viewport(bounds, [state.width, state.height]),
center = _geoViewport$viewport.center,
zoom = _geoViewport$viewport.zoom;
return _objectSpread(_objectSpread({}, state), {}, {
latitude: center[1],
longitude: center[0],
zoom: zoom
});
};
/**
* Toggle between 3d and 2d map.
* @memberof mapStateUpdaters
* @param {Object} state
* @returns {Object} nextState
* @public
*/
var togglePerspectiveUpdater = exports.togglePerspectiveUpdater = function togglePerspectiveUpdater(state) {
return _objectSpread(_objectSpread(_objectSpread({}, state), {
pitch: state.dragRotate ? 0 : 50,
bearing: state.dragRotate ? 0 : 24
}), {}, {
dragRotate: !state.dragRotate
});
};
/**
* reset mapState to initial State
* @memberof mapStateUpdaters
* @param {Object} state `mapState`
* @returns {Object} nextState
* @public
*/
var resetMapConfigUpdater = exports.resetMapConfigUpdater = function resetMapConfigUpdater(state) {
return _objectSpread(_objectSpread(_objectSpread({}, INITIAL_MAP_STATE), state.initialState), {}, {
initialState: state.initialState
});
}; // consider case where you have a split map and user wants to reset
/**
* Update `mapState` to propagate a new config
* @memberof mapStateUpdaters
* @param {Object} state
* @param {Object} action
* @param {Object} action.payload - saved map config
* @returns {Object} nextState
* @public
*/
var receiveMapConfigUpdater = exports.receiveMapConfigUpdater = function receiveMapConfigUpdater(state, _ref) {
var _ref$payload = _ref.payload,
_ref$payload$config = _ref$payload.config,
config = _ref$payload$config === void 0 ? {} : _ref$payload$config,
_ref$payload$options = _ref$payload.options,
options = _ref$payload$options === void 0 ? {} : _ref$payload$options,
_ref$payload$bounds = _ref$payload.bounds,
bounds = _ref$payload$bounds === void 0 ? null : _ref$payload$bounds;
var mapState = config.mapState; // merged received mapstate with previous state
var mergedState = _objectSpread(_objectSpread({}, state), mapState); // if center map
// center map will override mapState config
if (options.centerMap && bounds) {
mergedState = fitBoundsUpdater(mergedState, {
payload: bounds
});
}
return _objectSpread(_objectSpread({}, mergedState), getMapDimForSplitMap(mergedState.isSplit, state));
};
/**
* Toggle between one or split maps
* @memberof mapStateUpdaters
* @param {Object} state
* @returns {Object} nextState
* @public
*/
var toggleSplitMapUpdater = exports.toggleSplitMapUpdater = function toggleSplitMapUpdater(state) {
return _objectSpread(_objectSpread({}, state), {}, {
isSplit: !state.isSplit
}, getMapDimForSplitMap(!state.isSplit, state));
}; // Helpers
function getMapDimForSplitMap(isSplit, state) {
// cases:
// 1. state split: true - isSplit: true
// do nothing
// 2. state split: false - isSplit: false
// do nothing
if (state.isSplit === isSplit) {
return {};
}
var width = state.isSplit && !isSplit ? // 3. state split: true - isSplit: false
// double width
state.width * 2 : // 4. state split: false - isSplit: true
// split width
state.width / 2;
return {
width: width
};
}
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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 geoViewport from '@mapbox/geo-viewport';\n\n/**\n * Updaters for `mapState` reducer. Can be used in your root reducer to directly modify kepler.gl's state.\n * Read more about [Using updaters](../advanced-usage/using-updaters.md)\n * @public\n * @example\n *\n * import keplerGlReducer, {mapStateUpdaters} from 'kepler.gl/reducers';\n * // Root Reducer\n * const reducers = combineReducers({\n *  keplerGl: keplerGlReducer,\n *  app: appReducer\n * });\n *\n * const composedReducer = (state, action) => {\n *  switch (action.type) {\n *    // click button to close side panel\n *    case 'CLICK_BUTTON':\n *      return {\n *        ...state,\n *        keplerGl: {\n *          ...state.keplerGl,\n *          foo: {\n *             ...state.keplerGl.foo,\n *             mapState: mapStateUpdaters.fitBoundsUpdater(\n *               mapState, {payload: [127.34, 31.09, 127.56, 31.59]]}\n *             )\n *          }\n *        }\n *      };\n *  }\n *  return reducers(state, action);\n * };\n *\n * export default composedReducer;\n */\n/* eslint-disable no-unused-vars */\nconst mapStateUpdaters = null;\n/* eslint-enable no-unused-vars */\n\n/**\n * Default initial `mapState`\n * @memberof mapStateUpdaters\n * @constant\n * @property {number} pitch Default: `0`\n * @property {number} bearing Default: `0`\n * @property {number} latitude Default: `37.75043`\n * @property {number} longitude Default: `-122.34679`\n * @property {number} zoom Default: `9`\n * @property {boolean} dragRotate Default: `false`\n * @property {number} width Default: `800`\n * @property {number} height Default: `800`\n * @property {boolean} isSplit Default: `false`\n * @public\n */\nexport const INITIAL_MAP_STATE = {\n  pitch: 0,\n  bearing: 0,\n  latitude: 37.75043,\n  longitude: -122.34679,\n  zoom: 9,\n  dragRotate: false,\n  width: 800,\n  height: 800,\n  isSplit: false\n};\n\n/* Updaters */\n/**\n * Update map viewport\n * @memberof mapStateUpdaters\n * @param {Object} state\n * @param {Object} action\n * @param {Object} action.payload - viewport\n * @returns {Object} nextState\n * @public\n */\nexport const updateMapUpdater = (state, action) => ({\n  ...state,\n  ...(action.payload || {})\n});\n\n/**\n * Fit map viewport to bounds\n * @memberof mapStateUpdaters\n * @param {Object} state\n * @param {Object} action\n * @param {number[]} action.payload - bounds as `[lngMin, latMin, lngMax, latMax]`\n * @returns {Object} nextState\n * @public\n */\nexport const fitBoundsUpdater = (state, action) => {\n  const bounds = action.payload;\n  const {center, zoom} = geoViewport.viewport(bounds, [\n    state.width,\n    state.height\n  ]);\n\n  return {\n    ...state,\n    latitude: center[1],\n    longitude: center[0],\n    zoom\n  };\n};\n\n/**\n * Toggle between 3d and 2d map.\n * @memberof mapStateUpdaters\n * @param {Object} state\n * @returns {Object} nextState\n * @public\n */\nexport const togglePerspectiveUpdater = state => ({\n  ...state,\n  ...{\n    pitch: state.dragRotate ? 0 : 50,\n    bearing: state.dragRotate ? 0 : 24\n  },\n  dragRotate: !state.dragRotate\n});\n\n/**\n * reset mapState to initial State\n * @memberof mapStateUpdaters\n * @param {Object} state `mapState`\n * @returns {Object} nextState\n * @public\n */\nexport const resetMapConfigUpdater = state => ({\n  ...INITIAL_MAP_STATE,\n  ...state.initialState,\n  initialState: state.initialState\n});\n\n// consider case where you have a split map and user wants to reset\n/**\n * Update `mapState` to propagate a new config\n * @memberof mapStateUpdaters\n * @param {Object} state\n * @param {Object} action\n * @param {Object} action.payload - saved map config\n * @returns {Object} nextState\n * @public\n */\nexport const receiveMapConfigUpdater = (\n  state,\n  {payload: {config = {}, options = {}, bounds = null}}\n) => {\n  const {mapState} = config;\n\n  // merged received mapstate with previous state\n  let mergedState = {...state, ...mapState};\n\n  // if center map\n  // center map will override mapState config\n  if (options.centerMap && bounds) {\n    mergedState = fitBoundsUpdater(mergedState, {\n      payload: bounds\n    })\n  }\n\n  return {\n    ...mergedState,\n    // update width if `isSplit` has changed\n    ...getMapDimForSplitMap(mergedState.isSplit, state)\n  };\n};\n\n/**\n * Toggle between one or split maps\n * @memberof mapStateUpdaters\n * @param {Object} state\n * @returns {Object} nextState\n * @public\n */\nexport const toggleSplitMapUpdater = state => ({\n  ...state,\n  isSplit: !state.isSplit,\n  ...getMapDimForSplitMap(!state.isSplit, state)\n});\n\n// Helpers\nexport function getMapDimForSplitMap(isSplit, state) {\n  // cases:\n  // 1. state split: true - isSplit: true\n  // do nothing\n  // 2. state split: false - isSplit: false\n  // do nothing\n  if (state.isSplit === isSplit) {\n    return {};\n  }\n\n  const width =\n    state.isSplit && !isSplit\n      ? // 3. state split: true - isSplit: false\n        // double width\n        state.width * 2\n      : // 4. state split: false - isSplit: true\n        // split width\n        state.width / 2;\n\n  return {\n    width\n  };\n}\n"]}