Min zoom and max zoom settings

4 files changed, 48 insertions, 4 deletions

diff --git a/chimere/migrations/0010_auto_20171123_1226.py b/chimere/migrations/0010_auto_20171123_1226.py
new file mode 100644
index 0000000..685e04f
--- /dev/null
+++ b/chimere/migrations/0010_auto_20171123_1226.py
@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2017-11-23 12:26
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('chimere', '0009_area_use_search'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='area',
+            name='max_zoom',
+            field=models.IntegerField(blank=True, help_text='Set a maximal zoom level. By default maximal zoom level is 18.', null=True, verbose_name='Maxim zoom'),
+        ),
+        migrations.AddField(
+            model_name='area',
+            name='min_zoom',
+            field=models.IntegerField(blank=True, help_text='Set a minimal zoom level. By default minimal zoom level is 0.', null=True, verbose_name='Minimum zoom'),
+        ),
+    ]
diff --git a/chimere/models.py b/chimere/models.py
index 0255acc..7c84b0e 100644
--- a/chimere/models.py
+++ b/chimere/models.py
@@ -2008,6 +2008,16 @@ class Area(models.Model, SimpleArea):
                                    null=True)
     restrict_to_extent = models.BooleanField(_("Restrict to the area extent"),
                                              default=False)
+    min_zoom = models.IntegerField(
+        _("Minimum zoom"), blank=True, null=True,
+        help_text=_("Set a minimal zoom level. By default minimal zoom level "
+                    "is 0.")
+    )
+    max_zoom = models.IntegerField(
+        _("Maxim zoom"), blank=True, null=True,
+        help_text=_("Set a maximal zoom level. By default maximal zoom level "
+                    "is 18.")
+    )
     allow_point_edition = models.BooleanField(_("Allow point edition"),
                                               default=True)
     allow_route_edition = models.BooleanField(_("Allow route edition"),
diff --git a/chimere/templates/chimere/blocks/map.html b/chimere/templates/chimere/blocks/map.html
index 4f56ad2..20b56de 100644
--- a/chimere/templates/chimere/blocks/map.html
+++ b/chimere/templates/chimere/blocks/map.html
@@ -66,6 +66,8 @@ $("#{{map_id}}").show();
             $('#category_description').modal('show');},
         "default_icon": '{{STATIC_URL}}img/marker-green.png',
         'routing': {{routing}},
+        {% if max_zoom %}'maxZoom': {{max_zoom}},{% endif %}
+        {% if min_zoom %}'minZoom': {{min_zoom}},{% endif %}
         "permalink": permalink
     };
 
diff --git a/chimere/templatetags/chimere_tags.py b/chimere/templatetags/chimere_tags.py
index 1e08d1e..0808147 100644
--- a/chimere/templatetags/chimere_tags.py
+++ b/chimere/templatetags/chimere_tags.py
@@ -216,10 +216,12 @@ def routing(context):
 
 @register.inclusion_tag('chimere/blocks/map.html', takes_context=True)
 def map(context, map_id='map'):
-    context_data = {'map_id': map_id,
-                    "STATIC_URL": settings.STATIC_URL,
-                    "enable_clustering": settings.CHIMERE_ENABLE_CLUSTERING,
-                    "popupContentFull": settings.CHIMERE_CONTENT_INSIDE_POPUP}
+    context_data = {
+        'map_id': map_id,
+        "STATIC_URL": settings.STATIC_URL,
+        "enable_clustering": settings.CHIMERE_ENABLE_CLUSTERING,
+        "popupContentFull": settings.CHIMERE_CONTENT_INSIDE_POPUP
+    }
     context_data['MOBILE'] = context['MOBILE']
     context_data['routing'] = 'true' \
         if hasattr(settings, 'CHIMERE_ENABLE_ROUTING') and \
@@ -282,6 +284,11 @@ def map(context, map_id='map'):
                 "var bounds = [{}, {}, {}, {}];\n".format(
                     min_x, min_y, max_x, max_y)
         context_data['extra_map_def'] = area.extra_map_def or ''
+        if area.min_zoom:
+            context_data['min_zoom'] = area.min_zoom
+        if area.max_zoom:
+            context_data['max_zoom'] = area.max_zoom
+
     context_data['subcat_layer'], c_cat = [], None
     for subcat in subcat_layer.order_by('category__order', 'category').all():
         if subcat.category != c_cat: