diff --git a/ckanext/spatial/nongeos_plugin.py b/ckanext/spatial/nongeos_plugin.py
index 95103d5..69151b5 100644
--- a/ckanext/spatial/nongeos_plugin.py
+++ b/ckanext/spatial/nongeos_plugin.py
@@ -13,6 +13,10 @@ class WMSPreview(p.SingletonPlugin):
def update_config(self, config):
+ p.toolkit.add_public_directory(config, 'public')
+ p.toolkit.add_template_directory(config, 'templates')
+ p.toolkit.add_resource('public', 'ckanext-spatial')
+
self.proxy_enabled = p.toolkit.asbool(config.get('ckan.resource_proxy_enabled', 'False'))
@@ -34,3 +38,42 @@ class WMSPreview(p.SingletonPlugin):
def preview_template(self, context, data_dict):
return 'dataviewer/wms.html'
+
+
+class GeoJSONPreview(p.SingletonPlugin):
+ p.implements(p.IConfigurer, inherit=True)
+ p.implements(p.IResourcePreview, inherit=True)
+
+ GeoJSON = ['gjson', 'geojson']
+
+ def update_config(self, config):
+ ''' Set up the resource library, public directory and
+ template directory for the preview
+ '''
+
+ p.toolkit.add_public_directory(config, 'public')
+ p.toolkit.add_template_directory(config, 'templates')
+ p.toolkit.add_resource('public', 'ckanext-spatial')
+
+ self.proxy_enabled = config.get(
+ 'ckan.resource_proxy_enabled', False)
+
+ def can_preview(self, data_dict):
+ format_lower = data_dict['resource']['format'].lower()
+
+ check = format_lower in self.GeoJSON
+ if not self.proxy_enabled and check:
+ check = data_dict['resource']['on_same_domain']
+
+ return check
+
+ def setup_template_variables(self, context, data_dict):
+ import ckanext.resourceproxy.plugin as proxy
+ if (self.proxy_enabled
+ and not data_dict['resource']['on_same_domain']):
+ p.toolkit.c.resource['original_url'] = p.toolkit.c.resource['url']
+ p.toolkit.c.resource['url'] = proxy.get_proxified_resource_url(
+ data_dict)
+
+ def preview_template(self, context, data_dict):
+ return 'dataviewer/geojson.html'
diff --git a/ckanext/spatial/public/css/geojson_preview.css b/ckanext/spatial/public/css/geojson_preview.css
new file mode 100644
index 0000000..29d3e64
--- /dev/null
+++ b/ckanext/spatial/public/css/geojson_preview.css
@@ -0,0 +1,11 @@
+html, body {
+ height: 100%;
+ padding: 0;
+ margin: 0;
+}
+
+#map {
+ position: absolute;
+ width: 100%;
+ height: 100%;
+}
diff --git a/ckanext/spatial/public/js/geojson_preview.js b/ckanext/spatial/public/js/geojson_preview.js
new file mode 100644
index 0000000..46d6c9d
--- /dev/null
+++ b/ckanext/spatial/public/js/geojson_preview.js
@@ -0,0 +1,67 @@
+// geojson preview module
+ckan.module('geojsonpreview', function (jQuery, _) {
+ return {
+ options: {
+ },
+ initialize: function () {
+ var self = this;
+
+ self.el.empty();
+ self.el.append($("").attr("id","map"));
+ self.map = L.map('map');
+
+ var mapUrl = "http://otile{s}.mqcdn.com/tiles/1.0.0/osm/{z}/{x}/{y}.png";
+ var osmAttribution = 'Map data © 2011 OpenStreetMap contributors, Tiles Courtesy of MapQuest 
';
+ var bg = new L.TileLayer(mapUrl, {maxZoom: 18, attribution: osmAttribution, subdomains: '1234'});
+ self.map.addLayer(bg);
+
+ // use CORS, if supported by browser and server
+ if (jQuery.support.cors && preload_resource['original_url'] !== undefined) {
+ jQuery.getJSON(preload_resource['original_url'])
+ .done(
+ function(data){
+ self.showPreview(data);
+ })
+ .fail(
+ function(jqxhr, textStatus, error) {
+ jQuery.getJSON(preload_resource['url'])
+ .done(
+ function(data){
+ self.showPreview(data);
+ })
+ .fail(
+ function(jqXHR, textStatus, errorThrown) {
+ self.showError(jqXHR, textStatus, errorThrown);
+ }
+ );
+ }
+ );
+ } else {
+ jQuery.getJSON(preload_resource['url']).done(
+ function(data){
+ self.showPreview(data);
+ })
+ .fail(
+ function(jqXHR, textStatus, errorThrown) {
+ self.showError(jqXHR, textStatus, errorThrown);
+ }
+ );
+ }
+ },
+
+ showError: function (jqXHR, textStatus, errorThrown) {
+ if (textStatus == 'error' && jqXHR.responseText.length) {
+ self.el.html(jqXHR.responseText);
+ } else {
+ self.el.html(self.i18n('error', {text: textStatus, error: errorThrown}));
+ }
+ },
+
+ showPreview: function (geojsonFeature) {
+ var self = this;
+ var gjLayer = L.geoJson().addTo(self.map);
+ gjLayer.addData(geojsonFeature);
+ self.map.fitBounds(gjLayer.getBounds());
+ }
+ };
+});
diff --git a/ckanext/spatial/public/resource.config b/ckanext/spatial/public/resource.config
index d4bc955..597d0af 100644
--- a/ckanext/spatial/public/resource.config
+++ b/ckanext/spatial/public/resource.config
@@ -37,3 +37,10 @@ wms =
js/wms_preview.js
css/wms_preview.css
+
+geojson =
+ js/vendor/leaflet/leaflet.js
+ js/vendor/leaflet/leaflet.css
+
+ js/geojson_preview.js
+ css/geojson_preview.css
\ No newline at end of file
diff --git a/ckanext/spatial/templates/dataviewer/geojson.html b/ckanext/spatial/templates/dataviewer/geojson.html
new file mode 100644
index 0000000..29c6bc3
--- /dev/null
+++ b/ckanext/spatial/templates/dataviewer/geojson.html
@@ -0,0 +1,14 @@
+{% extends "dataviewer/base.html" %}
+
+{% block page %}
+
+
+
+ {{ _('Loading...') }}
+
+