kopia lustrzana https://github.com/projecthorus/chasemapper
112 wiersze
2.9 KiB
JavaScript
112 wiersze
2.9 KiB
JavaScript
//
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// Project Horus - Browser-Based Chase Mapper - Car Position
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//
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// Copyright (C) 2019 Mark Jessop <vk5qi@rfhead.net>
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// Released under GNU GPL v3 or later
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//
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var range_rings = [];
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var range_rings_on = false;
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function destroyRangeRings(){
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// Remove each range ring from the map.
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range_rings.forEach(function(element){
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element.remove();
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});
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// Clear the range ring array.
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range_rings = [];
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range_rings_on = false;
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}
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function createRangeRings(position){
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var _ring_quantity = parseInt($('#ringQuantity').val());
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var _ring_weight = parseFloat($('#ringWeight').val());
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var _ring_spacing = parseFloat($('#ringSpacing').val());
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var _ring_color = $('#ringColorSelect').val();
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var _ring_custom_color = $('#ringCustomColor').val();
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var _radius = _ring_spacing;
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var _color = "#FF0000";
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if (chase_config['unitselection'] == "imperial") { _radius = _ring_spacing*0.3048;}
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if(_ring_color == "red"){
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_color = "#FF0000";
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} else if (_ring_color == "black"){
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_color = "#000000";
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} else if (_ring_color == "blue"){
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_color = "#0000FF";
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} else if (_ring_color == "green"){
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_color = "#00FF00";
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} else if (_ring_color == "custom"){
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_color = _ring_custom_color;
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}
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for(var i=0; i<_ring_quantity; i++){
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var _ring = L.circle(position, {
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fill: false,
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color: _color,
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radius: _radius,
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weight: _ring_weight,
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opacity: 0.7
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}).addTo(map);
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range_rings.push(_ring);
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if (chase_config['unitselection'] == "metric") { _radius += _ring_spacing;}
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if (chase_config['unitselection'] == "imperial") { _radius += _ring_spacing*0.3048;}
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}
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range_rings_on = true;
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}
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function recenterRangeRings(position){
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if ((document.getElementById("rangeRingsEnabled").checked == true) && (range_rings_on == false)){
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// We have rings enabled, but haven't been able to create them yet.
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// Create them.
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updateRangeRings();
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return;
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} else {
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// Otherwise, just update the centre position of each ring.
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range_rings.forEach(function(element){
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element.setLatLng(position);
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});
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}
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}
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function updateRangeRings(){
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// Grab the range ring settings.
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var _ring_enabled = document.getElementById("rangeRingsEnabled").checked;
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// Check if we actually have a chase car position to work with.
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var _position = chase_car_position.latest_data;
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if (_position.length == 0){
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// No position available yet. Don't do anything.
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return;
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}
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// Otherwise, it looks like we have a position.
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if ((_ring_enabled == true) && (range_rings_on == false)){
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// The user had just enabled the range rings, so we need to create them.
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createRangeRings(_position);
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} else if ((_ring_enabled == false) && (range_rings_on == true)){
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// The user has disabled the range rings, so we remove them from the map.
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destroyRangeRings();
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} else {
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// Some other parameter has been changed.
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// Destroy, then re-create the range rings.
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destroyRangeRings();
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createRangeRings(_position);
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}
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}
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