Changed tweets, added eca

devjan_static/lib/linecharts.js

@@ -0,0 +1,83 @@
+(function($, block) {
+
+// a simple linechart example
+block.fn.linechart = function(config) {
+    var options = $.extend({
+        line_series : ["default"],
+        line_options : {
+		series: {	
+			lines: {
+                		show: true
+        		}
+    		}
+    }}, config);
+
+    // create empty linechart with parameter options
+    var plot = $.plot(this.$element, [],options.line_options);
+
+    // dict containing the labels and values
+    var linedata_series = {};
+
+    var initline = function(series) {
+	for(var k in series) {
+	   linedata_series[series[k]] = {order:k,data:[]};
+	}
+    }
+
+    initline(options.line_series);
+
+    var addline = function(label, values) {
+    	var data;
+
+	if (linedata_series.hasOwnProperty(label))
+		data = linedata_series[label].data;
+	else
+		data = linedata_series['default'].data;
+	for(var v in values) {
+		data.push(values[v]);
+	}
+	redraw();
+    }
+
+    var setline = function(label, values) {
+	if (linedata_series.hasOwnProperty(label))
+		linedata_series[label].data = values;
+	else
+		linedata_series['default'].data = values;
+	redraw();
+    }
+
+    var redraw = function() {
+        var result = [];
+    	for(var k in linedata_series) {
+	    if (linedata_series.hasOwnProperty(k)) {
+	    	var line_serie = linedata_series[k];
+
+ 		result.push({label:k,data:line_serie.data});
+	    }
+	}
+        plot.setData(result);
+	plot.setupGrid();
+        plot.draw();
+    }
+
+    var reset = function() {
+	initline(options.line_series);
+    }
+
+    this.actions({
+        'set': function(e, message) {
+	    addline(message.series, message.value);
+        },
+        'add': function(e, message) {
+	    addline(message.series, message.value);
+        },
+        'reset': function(e, message) {
+	    reset();
+	}
+    });
+    // return element to allow further work
+    return this.$element;
+}
+
+})(jQuery, block);