- Bugfixes:

Fixed exporters to automatically add filename extension.
    Fixed ViewBox 'auto pan' option.
- Other minor edits.

exporters/CSVExporter.py

@@ -22,7 +22,7 @@ class CSVExporter(Exporter):
     def export(self, fileName=None):
         
         if not isinstance(self.item, pg.PlotItem):
-            raise Exception("Matplotlib export currently only works with plot items")
+            raise Exception("Must have a PlotItem selected for CSV export.")
         
         if fileName is None:
             self.fileSaveDialog(filter=["*.csv", "*.tsv"])

exporters/Exporter.py

@@ -54,8 +54,13 @@ class Exporter(object):
         fileName = str(fileName)
         global LastExportDirectory
         LastExportDirectory = os.path.split(fileName)[0]
-        self.export(fileName=fileName, **self.fileDialog.opts)
         
+        ext = os.path.splitext(fileName)[1].lower()
+        selectedExt = str(self.fileDialog.selectedNameFilter()).lstrip('*').lower()
+        if ext != selectedExt:
+            fileName = fileName + selectedExt
+        
+        self.export(fileName=fileName, **self.fileDialog.opts)
         
     def getScene(self):
         if isinstance(self.item, pg.GraphicsScene):

exporters/ImageExporter.py

@@ -63,7 +63,7 @@ class ImageExporter(Exporter):
             self.getScene().render(painter, QtCore.QRectF(targetRect), sourceRect)
         finally:
             self.setExportMode(False)
-        self.png.save(fileName)
         painter.end()
+        self.png.save(fileName)
         
         

graphicsItems/AxisItem.py

@@ -172,6 +172,8 @@ class AxisItem(GraphicsWidget):
         return asUnicode("<span style='%s'>%s</span>") % (style, s)
         
     def setHeight(self, h=None):
+        """Set the height of this axis reserved for ticks and tick labels.
+        The height of the axis label is automatically added."""
         if h is None:
             h = self.textHeight + max(0, self.tickLength)
             if self.label.isVisible():
@@ -182,6 +184,8 @@ class AxisItem(GraphicsWidget):
         
         
     def setWidth(self, w=None):
+        """Set the width of this axis reserved for ticks and tick labels.
+        The width of the axis label is automatically added."""
         if w is None:
             w = max(0, self.tickLength) + 40
             if self.label.isVisible():

graphicsItems/ViewBox/ViewBox.py

@@ -554,10 +554,10 @@ class ViewBox(GraphicsWidget):
             ## Make corrections to range
             xr = childRange[ax]
             if xr is not None:
-                if self.state['autoPan'][0]:
+                if self.state['autoPan'][ax]:
                     x = sum(xr) * 0.5
                     #x = childRect.center().x()
-                    w2 = (targetRect[0][1]-targetRect[0][0]) / 2.
+                    w2 = (targetRect[ax][1]-targetRect[ax][0]) / 2.
                     #childRect.setLeft(x-w2)
                     #childRect.setRight(x+w2)
                     childRange[ax] = [x-w2, x+w2]