UNPKG

google-react-maps

Version:

A more powerfully custom version of the Google Maps Javascript API built for React. Multiple Datalayer support. GEOJSON Enabled.

405 lines (315 loc) 12 kB
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width"> <title>Google React Maps Source: components/dataLayer.js</title> <!--[if lt IE 9]> <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script> <![endif]--> <link type="text/css" rel="stylesheet" href="styles/sunlight.default.css"> <link type="text/css" rel="stylesheet" href="styles/site.cosmo.css"> </head> <body> <div class="navbar navbar-default navbar-fixed-top navbar-inverse"> <div class="container"> <div class="navbar-header"> <a class="navbar-brand" href="index.html">Google React Maps</a> <button class="navbar-toggle" type="button" data-toggle="collapse" data-target="#topNavigation"> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> </div> <div class="navbar-collapse collapse" id="topNavigation"> <ul class="nav navbar-nav"> <li class="dropdown"> <a href="namespaces.list.html" class="dropdown-toggle" data-toggle="dropdown">Namespaces<b class="caret"></b></a> <ul class="dropdown-menu "> <li><a href="google.maps.html">google.maps</a></li><li><a href="Utils.html">Utils</a></li> </ul> </li> <li class="dropdown"> <a href="classes.list.html" class="dropdown-toggle" data-toggle="dropdown">Classes<b class="caret"></b></a> <ul class="dropdown-menu "> <li><a href="Circle.html">Circle</a></li><li><a href="Cluster.html">Cluster</a></li><li><a href="ClusterIconInfo.html">ClusterIconInfo</a></li><li><a href="ClusterIconStyle.html">ClusterIconStyle</a></li><li><a href="Feature.html">Feature</a></li><li><a href="google.maps.LatLngLiteral.html">google.maps.LatLngLiteral</a></li><li><a href="Map.html">Map</a></li><li><a href="Map.InfoWindow.html">Map.InfoWindow</a></li><li><a href="Map.Marker.html">Map.Marker</a></li><li><a href="Map.MarkerCluster.html">Map.MarkerCluster</a></li><li><a href="MapControl.html">MapControl</a></li><li><a href="MarkerClusterer.html">MarkerClusterer</a></li><li><a href="MarkerClustererOptions.html">MarkerClustererOptions</a></li> </ul> </li> <li class="dropdown"> <a href="events.list.html" class="dropdown-toggle" data-toggle="dropdown">Events<b class="caret"></b></a> <ul class="dropdown-menu "> <li><a href="MarkerClusterer.html#event:click">MarkerClusterer#event:click</a></li><li><a href="MarkerClusterer.html#event:clusteringbegin">MarkerClusterer#event:clusteringbegin</a></li><li><a href="MarkerClusterer.html#event:clusteringend">MarkerClusterer#event:clusteringend</a></li><li><a href="MarkerClusterer.html#event:mouseout">MarkerClusterer#event:mouseout</a></li><li><a href="MarkerClusterer.html#event:mouseover">MarkerClusterer#event:mouseover</a></li> </ul> </li> <li class="dropdown"> <a href="global.html" class="dropdown-toggle" data-toggle="dropdown">Global<b class="caret"></b></a> <ul class="dropdown-menu "> <li><a href="global.html#processPoints">processPoints</a></li> </ul> </li> </ul> <div class="col-sm-3 col-md-3"> <form class="navbar-form" role="search"> <div class="input-group"> <input type="text" class="form-control" placeholder="Search" name="q" id="search-input"> <div class="input-group-btn"> <button class="btn btn-default" id="search-submit"><i class="glyphicon glyphicon-search"></i></button> </div> </div> </form> </div> </div> </div> </div> <div class="container" id="toc-content"> <div class="row"> <div class="col-md-12"> <div id="main"> <h1 class="page-title">Source: components/dataLayer.js</h1> <section> <article> <pre class="sunlight-highlight-javascript linenums">import React from 'react'; import PropTypes from 'prop-types'; import {processPoints} from '../utils/utils'; class DataLayer extends React.Component { constructor(props) { super(props); this.displayName = 'DataLayer'; this.state = { data : null } this.initDataLayer = this.initDataLayer.bind(this); //Prop Checking this.checkPropVisibility = this.checkPropVisibility.bind(this); //Style this.styleFeatures = this.styleFeatures.bind(this); //Focus this.focus = this.focus.bind(this); } /** Focus the map on this dataLayer's features. */ focus(){ var {maps,map} = this.props; var bounds = new maps.LatLngBounds(); if(this.state.data) { this.state.data.forEach((feature)=>{ processPoints(feature.getGeometry(), bounds.extend, bounds); }); map.fitBounds(bounds); } } initDataLayer() { var {map, maps} = this.props; var dataOptions = { map } if(this.props.dataOptions) dataOptions = Object.assign(dataOptions, this.props.dataOptions); dataOptions = Object.assign(dataOptions, { style : this.styleFeatures, }) var dataLayer = new maps.Data(dataOptions) //If there is geoJSON, initialize it. if(this.props.geoJson) { var options = { idPropertyName : '_id' }; if(this.props.idPropertyName) options.idPropertyName = this.props.idPropertyName; dataLayer.addGeoJson(this.props.geoJson, options); } // dataLayer.addListener('click', (event) => { // var {feature} = event; // var coords = event.latLng.toJSON() // coords[0] = coords.lng; // coords[1] = coords.lat; // if(this.props.onClick) // this.props.onClick({id : feature.getId(), coords }); // }); this.setState({ data : dataLayer }) } checkPropVisibility(nextProps) { var {visible} = this.props; if(!visible &amp;&amp; nextProps.visible) { this.state.data.setMap(this.props.map); } else if(visible &amp;&amp; !nextProps.visible) this.state.data.setMap(null); } styleFeatures(feature) { //If they passed in a function to completely overide style features, then do so. if(this.props.styleFeatures) return this.props.styleFeatures(feature); var geo = feature.getGeometry(); var type = null; if(geo) type = geo.getType(); var visible = feature.getProperty('visible'); var zIndex = feature.getProperty('zIndex'); var strokeColor = feature.getProperty('strokeColor'); var fillColor = feature.getProperty('fillColor'); var fillOpacity = this.props.fillOpacity; //Do some logic on the options to make things a bit easier. if(!strokeColor) strokeColor = fillColor; zIndex = zIndex? zIndex : 10; if(this.props.zIndex) zIndex = zIndex + (10000 * this.props.zIndex) //TODO: Find a better way to separate out layer zIndexes. Right now we are defautling to 10000K features in a GeoJson schema. It works, but there should be a better way. switch(type) { case 'Polygon': var polyOptions = { strokeWeight : 1, strokeColor, fillColor, fillOpacity } //Potential Enhancement: Polyoptions could have different defaults. For now, we will leave this. if(typeof visible !== 'undefined') polyOptions.visible = true; if(typeof zIndex !== 'undefined'); polyOptions.zIndex = zIndex; return polyOptions; default: return {} } } componentWillMount() { if(this.props.maps &amp;&amp; this.props.map) { this.initDataLayer(); this.checkPropVisibility(this.props); } else console.error(new Error("You must put this compenent in a &lt;Map /> context component or provide the maps and map props manually.")) } componentWillUnmount() { this.state.data.setMap(null); this.setState({data : null}) } componentDidUpdate(prevProps, prevState) { } componentWillReceiveProps(nextProps) { if(typeof nextProps.visible !== 'undefined') { this.checkPropVisibility(nextProps); } } shouldComponentUpdate(nextProps, nextState) { return true; } componentWillUpdate(nextProps, nextState) { } render() { var children = [] if(this.state.data) { children = React.Children.map(this.props.children, child => React.cloneElement(child, { maps : this.props.maps, map : this.props.map, data : this.state.data })); } return &lt;div>{children}&lt;/div>; } } DataLayer.propTypes = { maps : PropTypes.object, map : PropTypes.object, dataOptions : PropTypes.object, geoJson : PropTypes.object, visible : PropTypes.bool, onChange : PropTypes.func, styleFeatures : PropTypes.func, zIndex : PropTypes.number.isRequired, fillOpacity : PropTypes.number } export default DataLayer; </pre> </article> </section> </div> </div> <div class="clearfix"></div> </div> </div> <div class="modal fade" id="searchResults"> <div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button> <h4 class="modal-title">Search results</h4> </div> <div class="modal-body"></div> <div class="modal-footer"> <button type="button" class="btn btn-default" data-dismiss="modal">Close</button> </div> </div><!-- /.modal-content --> </div><!-- /.modal-dialog --> </div> <footer> <span class="copyright"> This is a Austin Hunt project. </span> <span class="jsdoc-message"> Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.4.0</a> on Tue May 30th 2017 using the <a href="https://github.com/docstrap/docstrap">DocStrap template</a>. </span> </footer> <script src="scripts/docstrap.lib.js"></script> <script src="scripts/toc.js"></script> <script type="text/javascript" src="scripts/fulltext-search-ui.js"></script> <script> $( function () { $( "[id*='$']" ).each( function () { var $this = $( this ); $this.attr( "id", $this.attr( "id" ).replace( "$", "__" ) ); } ); $( ".tutorial-section pre, .readme-section pre" ).each( function () { var $this = $( this ); var example = $this.find( "code" ); exampleText = example.html(); var lang = /{@lang (.*?)}/.exec( exampleText ); if ( lang && lang[1] ) { exampleText = exampleText.replace( lang[0], "" ); example.html( exampleText ); lang = lang[1]; } else { var langClassMatch = example.parent()[0].className.match(/lang\-(\S+)/); lang = langClassMatch ? langClassMatch[1] : "javascript"; } if ( lang ) { $this .addClass( "sunlight-highlight-" + lang ) .addClass( "linenums" ) .html( example.html() ); } } ); Sunlight.highlightAll( { lineNumbers : true, showMenu : true, enableDoclinks : true } ); $.catchAnchorLinks( { navbarOffset: 10 } ); $( "#toc" ).toc( { anchorName : function ( i, heading, prefix ) { var id = $( heading ).attr( "id" ); return id && id.replace(/\~/g, '-inner-').replace(/\./g, '-static-') || ( prefix + i ); }, selectors : "#toc-content h1,#toc-content h2,#toc-content h3,#toc-content h4", showAndHide : false, smoothScrolling: true } ); $( "#main span[id^='toc']" ).addClass( "toc-shim" ); $( '.dropdown-toggle' ).dropdown(); $( "table" ).each( function () { var $this = $( this ); $this.addClass('table'); } ); } ); </script> <!--Navigation and Symbol Display--> <!--Google Analytics--> <script type="text/javascript"> $(document).ready(function() { SearcherDisplay.init(); }); </script> </body> </html>