Adding row duplication and fixing some persistence issue on row deletion

diff --git a/src/qhistory.py b/src/qhistory.py
index e39fb71..b5ed27b 100644 (file)
--- a/src/qhistory.py
+++ b/src/qhistory.py
@@ -73,6 +73,7 @@ class QCalcHistory(history.AbstractHistory):
                equation.setCheckable(False)
                result = QtGui.QStandardItem(operation.render_operation(self._prettyRenderer, simpleNode))
                result.setData(simpleNode)
+               result.setEditable(False)
                result.setCheckable(False)
 
                row = (icon, equation, result)
@@ -108,6 +109,8 @@ class QCalcHistory(history.AbstractHistory):
        def _on_delete_row(self, index):
                if index.column() == self._CLOSE_COLUMN:
                        self._historyStore.removeRow(index.row(), index.parent())
+               elif index.column() == self._RESULT_COLUMN:
+                       self._duplicate_row(index)
                else:
                        raise NotImplementedError("Unsupported column to activate %s" % index.column())
 
@@ -127,6 +130,10 @@ class QCalcHistory(history.AbstractHistory):
                finally:
                        self._programmaticUpdate = False
 
+       def _duplicate_row(self, index):
+               item = self._historyStore.item(index.row(), self._EQ_COLUMN)
+               self.push(item.data().toPyObject())
+
        def _parse_value(self, value):
                raise NotImplementedError("What?")
 
@@ -155,4 +162,7 @@ class QCalcHistory(history.AbstractHistory):
 
        def __iter__(self):
                for i in xrange(self._rowCount):
-                       yield self._historyStore.item(i, 1).data().toPyObject()
+                       item = self._historyStore.item(i, self._EQ_COLUMN)
+                       if item is None:
+                               continue
+                       yield item.data().toPyObject()