Label route relations with directions and waypoints

data/core.yaml

@@ -732,6 +732,21 @@ en:
     add_fields: "Add field:"
     lock:
       suggestion: 'The "{label}" field is locked because there is a Wikidata tag. You can delete it or edit the tags in the "Tags" section.'
+    display_name:
+      direction: "{direction}"
+      from_to: "from {from} to {to}"
+      from_to_via: "from {from} to {to} via {via}"
+      network_direction: "{network} {direction}"
+      network_from_to: "{network} from {from} to {to}"
+      network_from_to_via: "{network} from {from} to {to} via {via}"
+      ref: "{ref}"
+      ref_direction: "{ref} {direction}"
+      ref_from_to: "{ref} from {from} to {to}"
+      ref_from_to_via: "{ref} from {from} to {to} via {via}"
+      network_ref: "{network} {ref}"
+      network_ref_direction: "{network} {ref} {direction}"
+      network_ref_from_to: "{network} {ref} from {from} to {to}"
+      network_ref_from_to_via: "{network} {ref} from {from} to {to} via {via}"
   background:
     title: Background
     description: Background Settings

modules/util/util.js

@@ -182,15 +182,42 @@ export function utilGetAllNodes(ids, graph) {
 export function utilDisplayName(entity) {
     var localizedNameKey = 'name:' + localizer.languageCode().toLowerCase();
     var name = entity.tags[localizedNameKey] || entity.tags.name || '';
-    var network = entity.tags.cycle_network || entity.tags.network;
+    if (name) return name;
+
+    var tags = {
+        direction: entity.tags.direction,
+        from: entity.tags.from,
+        network: entity.tags.cycle_network || entity.tags.network,
+        ref: entity.tags.ref,
+        to: entity.tags.to,
+        via: entity.tags.via
+    };
+    var keyComponents = [];
+
+    if (tags.network) {
+        keyComponents.push('network');
+    }
+    if (tags.ref) {
+        keyComponents.push('ref');
+    }
 
-    if (!name && entity.tags.ref) {
-        name = entity.tags.ref;
-        if (network) {
-            name = network + ' ' + name;
+    // Routes may need more disambiguation based on direction or destination
+    if (entity.tags.route) {
+        if (tags.direction) {
+            keyComponents.push('direction');
+        } else if (tags.from && tags.to) {
+            keyComponents.push('from');
+            keyComponents.push('to');
+            if (tags.via) {
+                keyComponents.push('via');
+            }
         }
     }
 
+    if (keyComponents.length) {
+        name = t('inspector.display_name.' + keyComponents.join('_'), tags);
+    }
+
     return name;
 }
 

test/spec/util/util.js

@@ -225,4 +225,31 @@ describe('iD.util', function() {
             expect(iD.utilUnicodeCharsTruncated('😎😬😆😵😴😄🙂🤔', 255)).to.eql('😎😬😆😵😴😄🙂🤔');
         });
     });
+
+    describe('utilDisplayName', function() {
+        it('returns the name if tagged with a name', function() {
+            expect(iD.utilDisplayName({tags: {name: 'East Coast Greenway'}})).to.eql('East Coast Greenway');
+        });
+        it('distinguishes unnamed features by ref', function() {
+            expect(iD.utilDisplayName({tags: {ref: '66'}})).to.eql('66');
+        });
+        it('distinguishes unnamed features by network or cycle_network', function() {
+            expect(iD.utilDisplayName({tags: {network: 'SORTA', ref: '3X'}})).to.eql('SORTA 3X');
+            expect(iD.utilDisplayName({tags: {network: 'ncn', cycle_network: 'US:US', ref: '76'}})).to.eql('US:US 76');
+        });
+        it('distinguishes unnamed routes by direction', function() {
+            expect(iD.utilDisplayName({tags: {network: 'US:US', ref: '66', direction: 'west'}})).to.eql('US:US 66 west');
+            // Marguerite X: Counter-Clockwise
+            expect(iD.utilDisplayName({tags: {network: 'Marguerite', ref: 'X', direction: 'anticlockwise'}})).to.eql('Marguerite X anticlockwise');
+        });
+        it('distinguishes unnamed routes by waypoints', function() {
+            expect(iD.utilDisplayName({tags: {network: 'SORTA', ref: '3X', from: 'Downtown'}})).to.eql('SORTA 3X');
+            expect(iD.utilDisplayName({tags: {network: 'SORTA', ref: '3X', to: 'Kings Island'}})).to.eql('SORTA 3X');
+            expect(iD.utilDisplayName({tags: {network: 'SORTA', ref: '3X', via: 'Montgomery'}})).to.eql('SORTA 3X');
+            // Green Line: Old Ironsides => Winchester
+            expect(iD.utilDisplayName({tags: {network: 'VTA', ref: 'Green', from: 'Old Ironsides', to: 'Winchester'}})).to.eql('VTA Green from Old Ironsides to Winchester');
+            // BART Yellow Line: Antioch => Pittsburg/Bay Point => SFO Airport => Millbrae
+            expect(iD.utilDisplayName({tags: {network: 'BART', ref: 'Yellow', from: 'Antioch', to: 'Millbrae', via: 'Pittsburg/Bay Point;San Francisco International Airport'}})).to.eql('BART Yellow from Antioch to Millbrae via Pittsburg/Bay Point;San Francisco International Airport');
+        });
+    });
 });