filters works with two modes, show_only true or false

This commit is contained in:
lenovo
2022-11-12 11:05:46 +01:00
parent 03bfc6214a
commit 7bbad5a4ec
3 changed files with 43 additions and 27 deletions

View File

@@ -3,36 +3,54 @@
// add true for noDraw
// bounds : https://stackoverflow.com/questions/19304574/center-set-zoom-of-map-to-cover-all-visible-markers/19304625#19304625
function filter_show_only_selection(indexes) {
console.log("filter_show_only_selection");
/**
* if show_only is true:
* erase all other markers from the map,
* else, they stay visible
*/
function filter_show_only_selection(indexes, show_only = true) {
marker_cluster.clearMarkers(true);
//marker_cluster.removeMarkers(markers, true);
let indexes_count = indexes.length;
if (indexes_count === 0)
return;
let current_bounds = map.getBounds();
if (show_only)
g_marker_cluster.clearMarkers(true);
let marker = g_markers[0];
let position = marker.getPosition();
let current_bounds = g_map.getBounds();
console.log("current_bounds:");
console.log(current_bounds);
let bounds = new google.maps.LatLngBounds(current_bounds);
let bounds = new google.maps.LatLngBounds(position);
console.log("bounds:");
console.log(bounds);
//for (let index of indexes)
let outside_bounds = false;
for (let index of indexes) {
let marker = markers[index];
let position = marker.getPosition();
console.log(position);
console.log(bounds.contains(position));
marker = g_markers[index];
position = marker.getPosition();
if (! current_bounds.contains(position))
outside_bounds = true;
bounds.extend(position);
marker_cluster.addMarker(marker, true);
if (show_only)
g_marker_cluster.addMarker(marker, true);
}
marker_cluster.render();
if ( show_only == false || (show_only && outside_bounds) ) {
if (indexes_count === 1) {
g_map.setCenter(position);
g_map.setZoom(5);
}
else if (indexes_count > 1)
g_map.fitBounds(bounds);
}
if (show_only)
g_marker_cluster.render();
}
function filter_show_all() {
console.log("filter_show_all");
marker_cluster.addMarkers(markers);
}
function filter_zoom_on_selection(indexes) {
marker_cluster.addMarkers(markers);
}

View File

@@ -1,8 +1,7 @@
let map = {};
let markers = [];
let marker_cluster = {};
//let bounds = {};
let g_map = {};
let g_markers = [];
let g_marker_cluster = {};
function mp_init_map() {
@@ -45,20 +44,19 @@ function mp_init_map() {
let map_div = document.getElementById("ljdp_map");
//let filters_div = document.getElementById("ljdp_map_filters");
let infowindow = new google.maps.InfoWindow();
//bounds = new google.maps.LatLngBounds();
/*
* DRAW MAP
*/
map = create_map(map_div);
markers = create_markers(map, locations, infowindow);
marker_cluster = draw_clusters(map, markers);
g_map = create_map(map_div);
g_markers = create_markers(g_map, locations, infowindow);
g_marker_cluster = draw_clusters(g_map, g_markers);
// add listener to close infowindow at any click on map
map.addListener('click', function() {
g_map.addListener('click', function() {
infowindow.close();
});