我正在采用高级自定义字段 (ACF) Google map 地址,并创建一个包含多个标记和单个信息窗口的 Google map 。然后,根据哪个标记处于事件状态,交换该信息窗口的内容。
通过 ACF 设置 PHP $location
数组,JavaScript 循环并运行到 Google Maps API。
当只有一个标记时,我想默认打开信息窗口。
我已经弄清楚如何确定 new_map
函数末尾是否只有一个标记...
if($markers.length == 1) {
console.log('yes');
}
但我不确定 map 渲染后要调用什么/如何访问 Google Maps API。
我认为我的问题与范围相关,因为我尝试了 google.maps.event.trigger()
和 google.maps.Map.event.trigger(marker , 'click');
我能想到的风格函数。
Array
(
[address] => 123 Hamaker Rd, Manheim, PA, United States
[lat] => 40.1789636
[lng] => -76.3852963
)
<script type="text/javascript">
(function($) {
/*
* new_map
*
* This function will render a Google Map onto the selected jQuery element
*
* @type function
* @date 8/11/2013
* @since 4.3.0
*
* @param $el (jQuery element)
* @return n/a
*/
/*
* Modified from ACF Documentation, here are some links
* http://support.advancedcustomfields.com/forums/topic/multiple-post-points-on-google-maps/
* http://fancysquares.com/google-maps-infowindow-advanced-custom-fields-acf/
*/
function new_map( $el ) {
// var
var $markers = $el.find('.marker');
// vars
var args = {
zoom : 16,
center : new google.maps.LatLng(0, 0),
mapTypeId : google.maps.MapTypeId.ROADMAP,
scrollwheel : false,
mapTypeControl: false,
streetViewControl: false,
};
// create map
var map = new google.maps.Map( $el[0], args);
// add a markers reference
map.markers = [];
// add markers
$markers.each(function(){
add_marker( $(this), map );
});
// center map
center_map( map );
/* Conditional works to find if it only has one marker, but I can't figure out what to trigger */
//console.log($markers);
if($markers.length == 1) {
console.log('yes');
}
}
var infowindow = new google.maps.InfoWindow({
content : ''
});
/*
* add_marker
*
* This function will add a marker to the selected Google Map
*
* @type function
* @date 8/11/2013
* @since 4.3.0
*
* @param $marker (jQuery element)
* @param map (Google Map object)
* @return n/a
*/
function add_marker( $marker, map ) {
// var
var latlng = new google.maps.LatLng( $marker.attr('data-lat'), $marker.attr('data-lng') );
// create marker
var marker = new google.maps.Marker({
position : latlng,
map : map,
open : true
});
// add to array
map.markers.push( marker );
// if marker contains HTML, add it to an infoWindow
if( $marker.html() ) {
// show info window when marker is clicked & close other markers
google.maps.event.addListener(marker, 'click', function() {
//swap content of that singular infowindow
infowindow.setContent($marker.html());
infowindow.open(map, marker);
});
// close info window when map is clicked
google.maps.event.addListener(map, 'click', function(event) {
if (infowindow) {
infowindow.close();
}
});
}
}
/*
* center_map
*
* This function will center the map, showing all markers attached to this map
*
* @type function
* @date 8/11/2013
* @since 4.3.0
*
* @param map (Google Map object)
* @return n/a
*/
function center_map( map ) {
// vars
var bounds = new google.maps.LatLngBounds();
// loop through all markers and create bounds
$.each( map.markers, function( i, marker ){
var latlng = new google.maps.LatLng( marker.position.lat(), marker.position.lng() );
bounds.extend( latlng );
});
// only 1 marker?
if( map.markers.length == 1 ) {
// set center of map
map.setCenter( bounds.getCenter() );
map.setZoom( 10 );
}
else {
// fit to bounds
map.fitBounds( bounds );
}
}
/* This function will render each map when the document is ready (page has loaded)
*
* @type function
* @date 8/11/2013
* @since 5.0.0
*
* @param n/a
* @return n/a
*/
// global var
var map = null;
$(document).ready(function(){
$('.acf-map').each(function(){
// create map
map = new_map( $(this) );
});
});
})(jQuery);
</script>
最佳答案
在 new_map 函数中,您可以在添加标记之前检查数组的长度。如果长度为 1,则传递一个参数,表明 showInfoWindow 为 true,否则为 false。
var showInfoWindow = false;
if($markers.length == 1) {
showInfoWindow = true
}
// add markers
$markers.each(function(){
add_marker( $(this), map , showInfoWindow);
});
然后修改add_marker代码如下
function add_marker( $marker, map, showInfoWindow ) {
// var
var latlng = new google.maps.LatLng( $marker.attr('data-lat'), $marker.attr('data-lng') );
// create marker
var marker = new google.maps.Marker({
position : latlng,
map : map,
open : true
});
// add to array
map.markers.push( marker );
// if marker contains HTML, add it to an infoWindow
if( $marker.html() ) {
// show info window when marker is clicked & close other markers
google.maps.event.addListener(marker, 'click', function() {
//swap content of that singular infowindow
infowindow.setContent($marker.html());
infowindow.open(map, marker);
});
// close info window when map is clicked
google.maps.event.addListener(map, 'click', function(event) {
if (infowindow) {
infowindow.close();
}
});
if(showInfoWindow)
{
infowindow.setContent($marker.html());
infowindow.open(map, marker);
}
}
}
关于javascript - 仅存在一个标记时 Google map 信息窗口打开,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38964909/