react-map-gl/dist/esm/components/navigation-control.js

A React wrapper for MapboxGL-js and overlay API.

import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
import _createClass from "@babel/runtime/helpers/esm/createClass";
import _possibleConstructorReturn from "@babel/runtime/helpers/esm/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/esm/getPrototypeOf";
import _assertThisInitialized from "@babel/runtime/helpers/esm/assertThisInitialized";
import _inherits from "@babel/runtime/helpers/esm/inherits";
import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
import { createElement } from 'react';
import PropTypes from 'prop-types';
import BaseControl from './base-control';
import MapState from '../utils/map-state';
import { LINEAR_TRANSITION_PROPS } from '../utils/map-controller';
import deprecateWarn from '../utils/deprecate-warn';

var noop = function noop() {};

var propTypes = Object.assign({}, BaseControl.propTypes, {
  className: PropTypes.string,
  onViewStateChange: PropTypes.func,
  onViewportChange: PropTypes.func,
  showCompass: PropTypes.bool,
  showZoom: PropTypes.bool
});
var defaultProps = Object.assign({}, BaseControl.defaultProps, {
  className: '',
  showCompass: true,
  showZoom: true
});

var NavigationControl = function (_BaseControl) {
  _inherits(NavigationControl, _BaseControl);

  function NavigationControl(props) {
    var _this;

    _classCallCheck(this, NavigationControl);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(NavigationControl).call(this, props));

    _defineProperty(_assertThisInitialized(_this), "_onZoomIn", function () {
      _this._updateViewport({
        zoom: _this._context.viewport.zoom + 1
      });
    });

    _defineProperty(_assertThisInitialized(_this), "_onZoomOut", function () {
      _this._updateViewport({
        zoom: _this._context.viewport.zoom - 1
      });
    });

    _defineProperty(_assertThisInitialized(_this), "_onResetNorth", function () {
      _this._updateViewport({
        bearing: 0,
        pitch: 0
      });
    });

    deprecateWarn(props);
    return _this;
  }

  _createClass(NavigationControl, [{
    key: "_updateViewport",
    value: function _updateViewport(opts) {
      var viewport = this._context.viewport;
      var mapState = new MapState(Object.assign({}, viewport, opts));
      var viewState = Object.assign({}, mapState.getViewportProps(), LINEAR_TRANSITION_PROPS);
      var onViewportChange = this.props.onViewportChange || this._context.onViewportChange || noop;
      var onViewStateChange = this.props.onViewStateChange || this._context.onViewStateChange || noop;
      onViewStateChange({
        viewState: viewState
      });
      onViewportChange(viewState);
    }
  }, {
    key: "_renderCompass",
    value: function _renderCompass() {
      var bearing = this._context.viewport.bearing;
      return createElement('span', {
        className: 'mapboxgl-ctrl-compass-arrow',
        style: {
          transform: "rotate(".concat(-bearing, "deg)")
        }
      });
    }
  }, {
    key: "_renderButton",
    value: function _renderButton(type, label, callback, children) {
      return createElement('button', {
        key: type,
        className: "mapboxgl-ctrl-icon mapboxgl-ctrl-".concat(type),
        type: 'button',
        title: label,
        onClick: callback,
        children: children
      });
    }
  }, {
    key: "_render",
    value: function _render() {
      var _this$props = this.props,
          className = _this$props.className,
          showCompass = _this$props.showCompass,
          showZoom = _this$props.showZoom;
      return createElement('div', {
        className: "mapboxgl-ctrl mapboxgl-ctrl-group ".concat(className),
        ref: this._containerRef
      }, [showZoom && this._renderButton('zoom-in', 'Zoom In', this._onZoomIn), showZoom && this._renderButton('zoom-out', 'Zoom Out', this._onZoomOut), showCompass && this._renderButton('compass', 'Reset North', this._onResetNorth, this._renderCompass())]);
    }
  }]);

  return NavigationControl;
}(BaseControl);

_defineProperty(NavigationControl, "propTypes", propTypes);

_defineProperty(NavigationControl, "defaultProps", defaultProps);

export { NavigationControl as default };
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