From 0aa9a1fb143949216724844ebff1626f7775d1c8 Mon Sep 17 00:00:00 2001
From: Agustin Zubiaga <aguz@sugarlabs.org>
Date: Fri, 13 Apr 2012 01:07:25 +0000
Subject: More simple: graph from clipboard

---
diff --git a/activity.py b/activity.py
index 185dcc3..97b7541 100644
--- a/activity.py
+++ b/activity.py
@@ -48,6 +48,7 @@ from sugar.datastore import datastore
 from charts import Chart
 from readers import StopWatchReader
 from readers import MeasureReader
+from readers import ClipboardReader
 import simplegraphhelp
 
 # Mime types
@@ -108,7 +109,8 @@ class ChartArea(gtk.DrawingArea):
     def _drag_data_received(self, w, context, x, y, data, info, time):
         if data and data.format == 8:
             io_file = StringIO(data.data)
-            self._parent.load_from_file(io_file)
+            reader = ClipboardReader(io_file)
+            self._parent._graph_from_reader(reader)
             context.finish(True, False, time)
         else:
             context.finish(False, False, time)
diff --git a/readers.py b/readers.py
index 0b19b80..7da8c08 100644
--- a/readers.py
+++ b/readers.py
@@ -127,3 +127,37 @@ class MeasureReader():
         h_label = _('Samples')
 
         return v_label, h_label
+
+
+class ClipboardReader():
+
+    def __init__(self, file):
+        """Import chart data from file."""
+
+        self._reader = csv.reader(file)
+        self.xlabel = ""
+        self.ylabel = ""
+
+    def get_chart_data(self):
+        """Return data suitable for pyCHA."""
+
+        chart_data = []
+
+        for row in self._reader:
+            label, value = row[0].split(": ")
+
+            if label == "XLabel":
+                self.xlabel = value
+
+            elif label == "YLabel":
+                self.ylabel = value
+
+            else:
+                chart_data.append((label, float(value)))
+
+        return chart_data
+
+    def get_labels_name(self):
+        """Return the h_label and y_label names."""
+
+        return self.xlabel, self.ylabel
--
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