[gnome-maps/wip/mlundblad/restructure-routing-items] WIP: contextMenu: Allow setting route start/end directly

[Marcus Lundblad <mlundblad src gnome org>]

commit 3fab335487a3d7224e39da36130a768764b2eb02
Author: Marcus Lundblad <ml update uu se>
Date:   Wed Jan 29 21:02:32 2020 +0100

    WIP: contextMenu: Allow setting route start/end directly
    
    Add individual menu options for setting start and
    end points, and adding intermediate destinations,
    allowing modifying query without clearing and
    starting over.

 data/ui/context-menu.ui | 34 +++++++++++++++++++++++------
 src/contextMenu.js      | 57 +++++++++++++++++++++++++++++--------------------
 2 files changed, 62 insertions(+), 29 deletions(-)
---
diff --git a/data/ui/context-menu.ui b/data/ui/context-menu.ui
index 6f3e54ca..7fcb6734 100644
--- a/data/ui/context-menu.ui
+++ b/data/ui/context-menu.ui
@@ -3,6 +3,33 @@
   <!-- interface-requires gtk+ 3.0 -->
   <template class="Gjs_ContextMenu" parent="GtkMenu">
     <property name="visible">False</property>
+    <child>
+      <object class="GtkMenuItem" id="routeFromHereItem">
+        <property name="name">route-from-here-item</property>
+        <property name="label" translatable="yes">Route from here</property>
+        <property name="visible">True</property>
+      </object>
+    </child>
+    <child>
+      <object class="GtkMenuItem" id="addIntermediateDestinationItem">
+        <property name="name">add-itermediate-destination-item</property>
+        <property name="label" translatable="yes">Add intermediate destination</property>
+        <property name="visible">True</property>
+        <property name="sensitive">False</property>
+      </object>
+    </child>
+    <child>
+      <object class="GtkMenuItem" id="routeToHereItem">
+        <property name="name">route-to-here-item</property>
+        <property name="label" translatable="yes">Route to here</property>
+        <property name="visible">True</property>
+      </object>
+    </child>
+    <child>
+      <object class="GtkSeparatorMenuItem">
+        <property name="visible">True</property>
+      </object>
+    </child>
     <child>
       <object class="GtkMenuItem" id="whatsHereItem">
         <property name="name">whats-here-item</property>
@@ -17,12 +44,7 @@
         <property name="visible">True</property>
       </object>
     </child>
-    <child>
-      <object class="GtkMenuItem" id="routeItem">
-        <property name="name">route-item</property>
-        <property name="visible">True</property>
-      </object>
-    </child>
+
     <child>
       <object class="GtkMenuItem" id="addOSMLocationItem">
         <property name="name">add-osm-location-item</property>
diff --git a/src/contextMenu.js b/src/contextMenu.js
index 699025de..6a4727a2 100644
--- a/src/contextMenu.js
+++ b/src/contextMenu.js
@@ -41,7 +41,9 @@ var ContextMenu = GObject.registerClass({
     InternalChildren: [ 'whatsHereItem',
                         'geoURIItem',
                         'addOSMLocationItem',
-                        'routeItem' ],
+                        'routeFromHereItem',
+                        'addIntermediateDestinationItem',
+                        'routeToHereItem' ],
 }, class ContextMenu extends Gtk.Menu {
     _init(params) {
         this._mapView = params.mapView;
@@ -61,11 +63,14 @@ var ContextMenu = GObject.registerClass({
                                  this._onGeoURIActivated.bind(this));
         this._addOSMLocationItem.connect('activate',
                                          this._onAddOSMLocationActivated.bind(this));
-        this._routeItem.connect('activate',
-                                this._onRouteActivated.bind(this));
+        this._routeFromHereItem.connect('activate',
+                                        this._onRouteFromHereActivated.bind(this));
+        this._addIntermediateDestinationItem.connect('activate',
+                                        this._onAddIntermediateDestinationActivated.bind(this));
+        this._routeToHereItem.connect('activate',
+                                      this._onRouteToHereActivated.bind(this));
         Application.routeQuery.connect('notify::points',
                                        this._routingUpdate.bind(this));
-        this._routeItem.visible = false;
         this._routingUpdate();
     }
 
@@ -83,36 +88,42 @@ var ContextMenu = GObject.registerClass({
 
     _routingUpdate() {
         let query = Application.routeQuery;
+        let numPoints = query.points.length;
 
-        this._routeItem.sensitive = query.points.length < RouteQuery.MAX_QUERY_POINTS;
+        this._routeFromHereItem.sensitive = numPoints < RouteQuery.MAX_QUERY_POINTS;
+        this._routeToHereItem.sensitive = numPoints < RouteQuery.MAX_QUERY_POINTS;
+        this._addIntermediateDestinationItem.sensitive =
+            query.filledPoints.length >= 2 && numPoints < RouteQuery.MAX_QUERY_POINTS;
+    }
 
-        if (query.points.length === 0)
-            return;
+    _onRouteFromHereActivated() {
+        let query = Application.routeQuery;
+        let location = new Location.Location({ latitude: this._latitude,
+                                               longitude: this._longitude,
+                                               accuracy: 0 });
+        let place = new Place.Place({ location: location });
 
-        this._routeItem.visible = true;
-        if (!query.points[0].place) {
-            this._routeItem.label = _("Route from here");
-        } else if (query.filledPoints.length > 1) {
-            this._routeItem.label = _("Add destination");
-        } else {
-            this._routeItem.label = _("Route to here");
-        }
+        query.points[0].place = place;
     }
 
-    _onRouteActivated() {
+    _onRouteToHereActivated() {
         let query = Application.routeQuery;
         let location = new Location.Location({ latitude: this._latitude,
                                                longitude: this._longitude,
                                                accuracy: 0 });
         let place = new Place.Place({ location: location });
 
-        if (!query.points[0].place) {
-            query.points[0].place = place;
-        } else if (query.filledPoints.length > 1) {
-            query.addPoint(-1).place = place;
-        } else {
-            query.points[query.points.length - 1].place = place;
-        }
+        query.points.last().place = place;
+    }
+
+    _onAddIntermediateDestinationActivated() {
+        let query = Application.routeQuery;
+        let location = new Location.Location({ latitude: this._latitude,
+                                               longitude: this._longitude,
+                                               accuracy: 0 });
+        let place = new Place.Place({ location: location });
+
+        query.addPoint(-1).place = place;
     }
 
     _onWhatsHereActivated() {