From 7940a5e8379f822da0514e3f9068f9b3221331e3 Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne@peacefrogs.net>
Date: Wed, 6 Feb 2019 19:08:42 +0100
Subject: Sheet - Map: WIP - manage vector source for polygons

---
 ishtar_common/models.py                            | 21 +++++++-
 ishtar_common/static/js/ishtar-map.js              | 60 +++++++++++++++++++---
 .../templates/ishtar/blocks/sheet_simple_map.html  | 15 ++++++
 3 files changed, 87 insertions(+), 9 deletions(-)
 create mode 100644 ishtar_common/templates/ishtar/blocks/sheet_simple_map.html

(limited to 'ishtar_common')

diff --git a/ishtar_common/models.py b/ishtar_common/models.py
index ea6bd3bf0..bd6c38ff1 100644
--- a/ishtar_common/models.py
+++ b/ishtar_common/models.py
@@ -47,6 +47,7 @@ from django.contrib.postgres.search import SearchVectorField, SearchVector
 from django.core.cache import cache
 from django.core.exceptions import ObjectDoesNotExist, ValidationError
 from django.core.files.uploadedfile import SimpleUploadedFile
+from django.core.serializers import serialize
 from django.core.urlresolvers import reverse, NoReverseMatch
 from django.core.validators import validate_slug
 from django.db import connection
@@ -1609,7 +1610,25 @@ class DocumentItem(object):
         return actions
 
 
-class BaseHistorizedItem(DocumentItem, FullSearch, Imported, JsonData,
+class GeoItem(object):
+    @property
+    def point_2d_geojson(self):
+        if not hasattr(self, 'point_2d'):
+            return ""
+        return serialize('geojson', self.__class__.objects.filter(pk=self.pk),
+                         geometry_field='point_2d',
+                         fields=('cache_complete_id',))
+
+    @property
+    def multi_polygon_geojson(self):
+        if not hasattr(self, 'multi_polygon'):
+            return ""
+        return serialize('geojson', self.__class__.objects.filter(pk=self.pk),
+                         geometry_field='multi_polygon',
+                         fields=('cache_complete_id',))
+
+
+class BaseHistorizedItem(DocumentItem, FullSearch, Imported, JsonData, GeoItem,
                          FixAssociated):
     """
     Historized item with external ID management.
diff --git a/ishtar_common/static/js/ishtar-map.js b/ishtar_common/static/js/ishtar-map.js
index 226767914..ceef3a59e 100644
--- a/ishtar_common/static/js/ishtar-map.js
+++ b/ishtar_common/static/js/ishtar-map.js
@@ -52,6 +52,18 @@ var get_icon_style = function(feature){
     });
 };
 
+var get_vector_style = function(feature){
+    return new ol.style.Style({
+        stroke: new ol.style.Stroke({
+            color: 'red',
+            width: 2
+        }),
+        fill: new ol.style.Fill({
+            color: 'rgba(255,0,0,0.2)'
+        })
+    });
+};
+
 var cluster_get_style = function(feature, resolution){
     feature.set('key', 'cluster');
     var cluster_features = feature.get('features');
@@ -356,6 +368,9 @@ var proj_options = {
 var geojson_format = new ol.format.GeoJSON(proj_options);
 var wkt_format = new ol.format.WKT(proj_options);
 var link_template;
+var vector_source;
+var vector_layer;
+var vector_features;
 
 var initialize_base_map = function(layers){
     center = wkt_format.readGeometry(map_default_center).getCoordinates();
@@ -385,27 +400,56 @@ var redraw_map = function(layers){
 };
 
 
-var display_map = function(current_map_id, points, layers){
-    link_template = points['link_template'];
+var display_map = function(current_map_id, points, lines_and_polys, layers){
+    if (points){
+        link_template = points['link_template'];
+    } else {
+        /// link_template = lines_and_polys['link_template'];
+    }
     map_id = current_map_id;
     if (map){
         redraw_map(layers);
     } else {
         initialize_base_map(layers);
     }
-    point_features = geojson_format.readFeatures(points);
+    display_points(points);
+    display_lines_and_polys(lines_and_polys);
 
-    enable_clustering();
-    cluster_source.getSource().addFeatures(point_features);
     init_popup();
 
+    map.on('click', manage_click_on_map);
+    map.on('pointermove', manage_hover);
+};
+
+var display_points = function(points){
+    if (!points) return;
+    point_features = geojson_format.readFeatures(points);
+    enable_clustering();
+    cluster_source.getSource().addFeatures(point_features);
     if (points.features.length){
         map_view.fit(cluster_source.getSource().getExtent());
         if (map_view.getZoom() > 12){
             map_view.setZoom(12);
         }
     }
+};
 
-    map.on('click', manage_click_on_map);
-    map.on('pointermove', manage_hover);
-}
+var display_lines_and_polys = function(lines_and_polys){
+    if (!lines_and_polys) return;
+    vector_features = geojson_format.readFeatures(lines_and_polys);
+    vector_source = new ol.source.Vector();
+    vector_layer = new ol.layer.Vector({
+        source: vector_source,
+        style: get_vector_style
+    });
+    vector_source.addFeatures(vector_features);
+    vector_source.addFeature(new ol.Feature(
+        new ol.geom.Circle([6.079860710813087, 43.11452983279191], 2))) ;
+    map_layers.push(vector_layer);
+    if (lines_and_polys.features.length){
+        map_view.fit(vector_source.getExtent());
+        if (map_view.getZoom() > 12){
+            map_view.setZoom(12);
+        }
+    }
+};
diff --git a/ishtar_common/templates/ishtar/blocks/sheet_simple_map.html b/ishtar_common/templates/ishtar/blocks/sheet_simple_map.html
new file mode 100644
index 000000000..bf25db653
--- /dev/null
+++ b/ishtar_common/templates/ishtar/blocks/sheet_simple_map.html
@@ -0,0 +1,15 @@
+{% if geo_item.point_2d or geo_item.multi_polygon %}
+<div class="window-map"
+     id="map-{{window_id}}-{{geo_item.SLUG}}-{{geo_item.pk}}"></div>
+
+<script type="text/javascript">
+{% if geo_item.point_source == 'P' or not geo_item.multi_polygon %}
+var {{geo_item.SLUG}}{{geo_item.pk}} = {{geo_item.point_2d_geojson|safe}};
+display_map("map-{{window_id}}-{{geo_item.SLUG}}-{{geo_item.pk}}", {{geo_item.SLUG}}{{geo_item.pk}});
+{% else %}
+var {{geo_item.SLUG}}{{geo_item.pk}} = {{geo_item.multi_polygon_geojson|safe}};
+display_map("map-{{window_id}}-{{geo_item.SLUG}}-{{geo_item.pk}}", null, {{geo_item.SLUG}}{{geo_item.pk}});
+{% endif %}
+</script>
+
+{% endif %}
-- 
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