qwc2/plugins/StartupMarker.js

QGIS Web Client

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/**
 * Copyright 2020-2024 Sourcepole AG
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree.
 */

import React from 'react';
import { connect } from 'react-redux';
import PropTypes from 'prop-types';
import { addMarker, removeMarker } from '../actions/layers';

/**
 * Displays a marker when starting up the viewer.
 *
 * The marked is displayed in the center of the map if `c=<x>,<y>&hc=1` is set in the URL.
 */
var StartupMarker = /*#__PURE__*/function (_React$Component) {
  function StartupMarker(props) {
    var _this;
    _classCallCheck(this, StartupMarker);
    _this = _callSuper(this, StartupMarker, [props]);
    _this.markerSet = false;
    return _this;
  }
  _inherits(StartupMarker, _React$Component);
  return _createClass(StartupMarker, [{
    key: "componentDidUpdate",
    value: function componentDidUpdate(prevProps) {
      var highlight = ["true", "1"].includes("" + (this.props.startupParams && this.props.startupParams.hc || "").toLowerCase());
      if (highlight && this.props.theme && !prevProps.theme && this.props.startupParams.c) {
        var point = this.props.startupParams.c.split(/[;,]/g).map(function (x) {
          return parseFloat(x);
        });
        prevProps.addMarker('startupposmarker', point, '', this.props.startupParams.crs || this.props.map.projection);
        this.markerSet = true;
      } else if (this.markerSet) {
        if (this.props.removeMode === 'onpan' && this.props.map.center !== prevProps.map.center && this.props.map.zoom === prevProps.map.zoom || this.props.removeMode === 'onzoom' && this.props.map.zoom !== prevProps.map.zoom || this.props.removeMode === 'onclickonmarker' && this.props.click && (this.props.click.features || []).find(function (feature) {
          return feature.id === 'startupposmarker';
        })) {
          prevProps.removeMarker('startupposmarker');
          this.markerSet = false;
        }
      }
    }
  }, {
    key: "render",
    value: function render() {
      return null;
    }
  }]);
}(React.Component);
_defineProperty(StartupMarker, "propTypes", {
  addMarker: PropTypes.func,
  click: PropTypes.object,
  map: PropTypes.object,
  removeMarker: PropTypes.func,
  /** When to remove the marker. Possible choices: onpan, onzoom, onclickonmarker. */
  removeMode: PropTypes.string,
  // onpan, onzoom, onclickonmarker
  startupParams: PropTypes.object,
  theme: PropTypes.object
});
_defineProperty(StartupMarker, "defaultProps", {
  removeMode: 'onpan'
});
export default connect(function (state) {
  return {
    startupParams: state.localConfig.startupParams,
    click: state.map.click || {},
    map: state.map,
    theme: state.theme.current
  };
}, {
  addMarker: addMarker,
  removeMarker: removeMarker
})(StartupMarker);