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Add neighbor lines toggle to map legend (#236)

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l5y
2025-10-06 08:05:44 +02:00
committed by GitHub
parent 2e9b54b6cf
commit c13f3c913f
1 changed files with 38 additions and 6 deletions
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web/views/index.erb
+38 -6
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@@ -840,6 +840,8 @@ var(--fg); }
let usingOfflineTiles = false;
const MAX_NODE_DISTANCE_KM = <%= max_node_distance_km %>;
let neighborLinesLayer = null;
let neighborLinesVisible = true;
let neighborLinesToggleButton = null;
let markersLayer = null;
let tileDomObserver = null;
@@ -1216,6 +1218,27 @@ var(--fg); }
updateLegendToggleState();
}
function updateNeighborLinesToggleState() {
if (!neighborLinesToggleButton) return;
const label = neighborLinesVisible ? 'Hide neighbor lines' : 'Show neighbor lines';
neighborLinesToggleButton.textContent = label;
neighborLinesToggleButton.setAttribute('aria-pressed', neighborLinesVisible ? 'true' : 'false');
neighborLinesToggleButton.setAttribute('aria-label', label);
}
function setNeighborLinesVisibility(visible) {
neighborLinesVisible = Boolean(visible);
if (neighborLinesLayer && map) {
const hasLayer = map.hasLayer(neighborLinesLayer);
if (neighborLinesVisible && !hasLayer) {
neighborLinesLayer.addTo(map);
} else if (!neighborLinesVisible && hasLayer) {
map.removeLayer(neighborLinesLayer);
}
}
updateNeighborLinesToggleState();
}
function updateLegendRoleFiltersUI() {
const hasFilters = activeRoleFilters.size > 0;
legendRoleButtons.forEach((button, role) => {
@@ -1258,12 +1281,12 @@ var(--fg); }
title.textContent = 'Legend';
const itemsContainer = L.DomUtil.create('div', 'legend-items', div);
legendRoleButtons.clear();
for (const [role, color] of Object.entries(roleColors)) {
if (!CHAT_ENABLED && role === 'CLIENT_HIDDEN') continue;
const item = L.DomUtil.create('button', 'legend-item', itemsContainer);
item.type = 'button';
item.setAttribute('aria-pressed', 'false');
legendRoleButtons.clear();
for (const [role, color] of Object.entries(roleColors)) {
if (!CHAT_ENABLED && role === 'CLIENT_HIDDEN') continue;
const item = L.DomUtil.create('button', 'legend-item', itemsContainer);
item.type = 'button';
item.setAttribute('aria-pressed', 'false');
item.dataset.role = role;
const swatch = L.DomUtil.create('span', 'legend-swatch', item);
swatch.style.background = color;
@@ -1288,6 +1311,15 @@ var(--fg); }
updateLegendRoleFiltersUI();
const toggle = L.DomUtil.create('div', 'legend-toggle', div);
neighborLinesToggleButton = L.DomUtil.create('button', 'legend-item legend-toggle-neighbors', toggle);
neighborLinesToggleButton.type = 'button';
neighborLinesToggleButton.addEventListener('click', event => {
event.preventDefault();
event.stopPropagation();
setNeighborLinesVisibility(!neighborLinesVisible);
});
updateNeighborLinesToggleState();
const resetButton = L.DomUtil.create('button', 'legend-item legend-reset', toggle);
resetButton.type = 'button';
resetButton.textContent = 'Clear filters';