Charts: Connect data points with template url

config/plugins/visualizations/charts/static/charts/others/heatmap/config.js

@@ -98,6 +98,13 @@ return $.extend(true, {}, config_default, {
                     value   : 'wysiwyg'
                 }
             ]
+        },
+        url_template: {
+            title       : 'Url template',
+            info        : 'Enter a url to link the labels with external sources. Use __LABEL__ as placeholder.',
+            type        : 'text',
+            init        : '',
+            placeholder : 'http://someurl.com?id=__LABEL__'
         }
     }
 });

config/plugins/visualizations/charts/static/charts/others/heatmap/heatmap-plugin.js

@@ -206,6 +206,16 @@ return Backbone.View.extend({
         
         // add tooltip events
         boxes.selectAll('rect')
+        .on('dblclick', function(d) {
+            d3.event.stopPropagation();
+            var xLabel = self.categories.array.x[d.x];
+            var yLabel = self.categories.array.y[d.y];
+            var url = self.chart.settings.get('url_template').trim();
+            if (url) {
+                window.open(url.replace('__LABEL__', xLabel));
+                window.open(url.replace('__LABEL__', yLabel));
+            }
+        })
         .on('mouseover', function(d) {
             self.tooltip.style('opacity', 0.9);
             self.tooltip .html(self._templateTooltip(d))