Very basic json(p) preview

ckan · Sep 21, 2012 · 86ce9c9 · 86ce9c9
1 parent 4e03370
commit 86ce9c9
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Showing 7 changed files with 84 additions and 5 deletions.
diff --git a/ckan/config/routing.py b/ckan/config/routing.py
@@ -217,6 +217,8 @@ def make_map():
                   action='resource_datapreview')
         m.connect('/dataset/{id}/resource/{resource_id}/pdfpreview',
                   action='resource_pdfpreview')
+        m.connect('/dataset/{id}/resource/{resource_id}/jsonpreview',
+                  action='resource_jsonpreview')
 
     # group
     map.redirect('/groups', '/group')

diff --git a/ckan/controllers/package.py b/ckan/controllers/package.py
@@ -1314,3 +1314,21 @@ def resource_pdfpreview(self, id, resource_id):
         except NotAuthorized:
             abort(401, _('Unauthorized to read resource %s') % id)
         return render('package/resource_pdfpreview.html')
+
+    def resource_jsonpreview(self, id, resource_id):
+        '''
+        Embeded page for a resource json-preview.
+        '''
+        context = {'model': model, 'session': model.Session,
+                   'user': c.user or c.author}
+
+        try:
+            c.resource = get_action('resource_show')(context,
+                                                     {'id': resource_id})
+            c.package = get_action('package_show')(context, {'id': id})
+            c.resource_json = json.dumps(c.resource)
+        except NotFound:
+            abort(404, _('Resource not found'))
+        except NotAuthorized:
+            abort(401, _('Unauthorized to read resource %s') % id)
+        return render('package/resource_jsonpreview.html')
diff --git a/ckan/lib/helpers.py b/ckan/lib/helpers.py
@@ -1328,6 +1328,9 @@ def resource_preview(resource, pkg_id):
     elif format_lower == 'pdf':
         url = url_for(controller='package', action='resource_pdfpreview',
             resource_id=resource['id'], id=pkg_id, qualified=True)
+    elif format_lower == 'jsonp':
+        url = url_for(controller='package', action='resource_jsonpreview',
+            resource_id=resource['id'], id=pkg_id, qualified=True)
     elif format_lower in LOADABLE:
         url = resource['url']
     elif format_lower in DIRECT_EMBEDS:

diff --git a/ckan/public/base/datapreview/jsonpreview.js b/ckan/public/base/datapreview/jsonpreview.js
@@ -0,0 +1,31 @@
+var CKAN = CKAN || {};
+
+(function ($) {
+  $(document).ready(function () {
+    CKAN.JsonPreview.loadPreview(preload_resource);
+  });
+}(jQuery));
+
+/* ==================== */
+/* == JSON Previewer == */
+/* ==================== */
+CKAN.JsonPreview = function ($, my) {
+  my.dialogId = 'ckanext-jsonpreview';
+
+  // **Public: Loads the json preview **
+  //
+  // Returns nothing.
+  my.loadPreview = function(resourceData) {
+
+    $.getJSON(resourceData['url'], function(data) {
+      var html = JSON.stringify(data, null, 4);
+      console.log(html);
+      $('#'+my.dialogId).html(html);
+    });
+  };
+
+  // Export the CKANEXT object onto the window.
+  $.extend(true, window, {CKANEXT: {}});
+  CKANEXT.JSONPREVIEW = my;
+  return my;
+}(jQuery, CKAN.JsonPreview || {});
diff --git a/ckan/public/base/datapreview/pdfpreview.js b/ckan/public/base/datapreview/pdfpreview.js
@@ -1,10 +1,5 @@
 var CKAN = CKAN || {};
 
-CKAN.View = CKAN.View || {};
-CKAN.Model = CKAN.Model || {};
-CKAN.Utils = CKAN.Utils || {};
-CKAN.Strings = CKAN.Strings || {};
-
 (function ($) {
   $(document).ready(function () {
     CKAN.PdfPreview.loadPreview(preload_resource);

diff --git a/ckan/public/base/datapreview/resource.config b/ckan/public/base/datapreview/resource.config
@@ -15,6 +15,7 @@ pdf_src_inline =
 datapreview = vendor/jquery.js
 datapreview-frame = vendor/jquery.js
 pdfpreview = vendor/jquery.js
+jsonpreview = vendor/jquery.js
 
 [groups]
 
@@ -55,3 +56,6 @@ pdfpreview =
     vendor/pdfviewer/viewer.css
 
     css/pdfpreview.css
+
+jsonpreview =
+    jsonpreview.js
diff --git a/ckan/templates/package/resource_jsonpreview.html b/ckan/templates/package/resource_jsonpreview.html
@@ -0,0 +1,26 @@
+{% extends "base.html" %}
+
+{% set res = c.resource %}
+
+{% block subtitle %}{{ h.dataset_display_name(c.package) }} - {{ h.resource_display_name(res) }}{% endblock %}
+
+{% block page %}
+  <div id="ckanext-jsonpreview"></div>
+{% endblock %}
+
+{% block scripts %}
+  {{ super() }}
+  {% resource 'datapreview/datapreview' %}
+
+  <script>
+    var preload_resource = {{ h.literal(c.resource_json) }};
+  </script>
+{% endblock %}
+
+
+{# remove any ckan styles #}
+{% block styles %}
+{% endblock %}
+
+{% block custom_styles %}
+{% endblock %}