fixes #166 Visibility of vector layer on high zoom levels

Signed-off-by: Daniel Kastl <[email protected]>

Author: dkastl

app/views/settings/gtt/_styling.html.erb

@@ -20,3 +20,12 @@
   </p>
 <% end %>
 </div>
+
+<div class="box tabular settings">
+<p>
+  <%= content_tag(:label, l(:gtt_settings_vector_minzoom_level)) %>
+  <%= text_field_tag('settings[vector_minzoom_level]',
+      @settings['vector_minzoom_level'],
+      :size => 10 ) %>
+</p>
+</div>

config/locales/de.yml

@@ -40,6 +40,7 @@ de:
   gtt_settings_general_center_lat: Standard-Breitengrad des Kartenmittelpunkts
   gtt_settings_general_zoom_level: Standard-Zoomstufe der Karte
   gtt_settings_general_fit_maxzoom_level: Standardmäßig maximale Zoomstufe des Kartenausschnitts
+  gtt_settings_vector_minzoom_level: "Kleinste Zoomstufe"
   label_gtt_point: Punkt
   label_gtt_linestring: Linie
   label_gtt_polygon: Polygon

config/locales/en.yml

@@ -38,6 +38,7 @@ en:
   gtt_settings_general_zoom_level: "Default map zoom level"
   gtt_settings_general_maxzoom_level: "Default map maximum zoom level"
   gtt_settings_general_fit_maxzoom_level: "Default map fit maximum zoom level"
+  gtt_settings_vector_minzoom_level: "Minimum zoom level"
 
   gtt_settings_label_general: "General"
   gtt_settings_label_styling: "Styling"

config/locales/ja.yml

@@ -56,6 +56,7 @@ ja:
   gtt_settings_general_zoom_level: "既定の地図ズームレベル"
   gtt_settings_general_maxzoom_level: "既定の最大地図ズームレベル"
   gtt_settings_general_fit_maxzoom_level: "フィット時最大地図ズームレベル"
+  gtt_settings_vector_minzoom_level: "Minimum zoom level"
 
   gtt_settings_label_general: "General"
   gtt_settings_label_styling: "Styling"

init.rb

@@ -29,6 +29,7 @@
       'default_map_zoom_level' => 13,
       'default_map_maxzoom_level' => 19,
       'default_map_fit_maxzoom_level' => 17,
+      'vector_minzoom_level' => 0,
       'default_geocoder_options' => '{}',
       'editable_geometry_types_on_issue_map' => ["Point"],
       'enable_geojson_upload_on_issue_map' => false,

lib/redmine_gtt/hooks/view_layouts_base_html_head_hook.rb

@@ -27,6 +27,7 @@ def view_layouts_base_body_bottom(context={})
           :lat => Setting.plugin_redmine_gtt['default_map_center_latitude'],
           :zoom => Setting.plugin_redmine_gtt['default_map_zoom_level'],
           :maxzoom => Setting.plugin_redmine_gtt['default_map_maxzoom_level'],
+          :vector_minzoom => Setting.plugin_redmine_gtt['vector_minzoom_level'],
           :fit_maxzoom => Setting.plugin_redmine_gtt['default_map_fit_maxzoom_level'],
           :geocoder => geocoder,
           :plugin_settings => Setting.plugin_redmine_gtt.select{ |key, value| key.to_s.match(/^(?!default).+/) },

src/components/gtt-client/init/layers.ts

@@ -176,7 +176,8 @@ function addVectorLayer(this: any, features: Feature<Geometry>[] | null): void {
       'useSpatialIndex': false
     }),
     renderOrder: yOrdering as OrderFunction,
-    style: getStyle.bind(this)
+    style: getStyle.bind(this),
+    minZoom: this.defaults.vectorMinzoom || 0
   });
   this.vector.set('title', 'Features');
   this.vector.set('displayInLayerSwitcher', false);