Changed tweets, added eca

devjan_static/lib/piecharts.js

@@ -0,0 +1,64 @@
+(function($, block) {
+
+// a simple piechart example
+block.fn.piechart = function(config) {
+    var options = $.extend({
+    	// see: http://www.flotcharts.org/flot/examples/series-pie/
+        pie_options : {
+		series: {	
+			pie: {
+                		show: true
+        		}
+    		}
+    }}, config);
+
+    // create empty piechart with parameter options
+    var plot = $.plot(this.$element, [],options.pie_options);
+
+    // dict containing the labels and values
+    var piedata_dict = {};
+
+    var addpie = function(label, value) {
+	if (piedata_dict.hasOwnProperty(label))
+		piedata_dict[label] = (piedata_dict[label] + value);
+	else
+		piedata_dict[label] = value;
+	redraw();
+    }
+
+    var setpie = function(label, value) {
+	piedata_dict[label] = value;
+	redraw();
+    }
+
+    var redraw = function() {
+        var result = [];
+	for(var k in piedata_dict) {
+	    if (piedata_dict.hasOwnProperty(k)) {
+ 		result.push({label:k,data:piedata_dict[k]});
+	    }
+	}
+        plot.setData(result);
+        plot.draw();
+    }
+
+    var reset = function() {
+	piedata_dict = {};
+    }
+
+    this.actions({
+        'set': function(e, message) {
+	    setpie(message.value[0],message.value[1]);
+        },
+        'add': function(e, message) {
+	    addpie(message.value[0],message.value[1]);
+        },
+        'reset': function(e, message) {
+	    reset();
+	}
+    });
+    // return element to allow further work
+    return this.$element;
+}
+
+})(jQuery, block);