public void TestMoleUnitChange()
{
MainPage mp1 = new MainPage();
Workspace w = mp1.GetLogicalWorkspace();
// Add a new stream with a table to the workspace
ChemicalStream cs1 = new ChemicalStream(1);
cs1.PropertiesTable = new StreamPropertiesTable(cs1);
w.AddStream(cs1);
// The DrawingCanvas control should have added a stream control
ChemProV.PFD.Streams.StreamControl streamControl =
mp1.WorkspaceReference.DrawingCanvasReference.GetStreamControl(cs1);
Assert.IsNotNull(streamControl, "DrawingCanvas control did not correctly create a " +
"stream control for a stream that was added to the workspace.");
// From the stream control we can get the properties window control
UI.StreamTableControl props = streamControl.Table;
Assert.IsNotNull(props, "Stream control had a null table control.");
// Add a default data row with label "M1" if it's not already there
if (0 == cs1.PropertiesTable.RowCount)
{
ChemicalStreamData csd = cs1.PropertiesTable.AddNewRow() as ChemicalStreamData;
csd.SelectedCompound = "Overall";
csd.Label = "M1";
csd.UserHasRenamed = false;
}
// Find the text box in the properties window with the text "M1"
TextBox tbLabel = props.GetControl(cs1.PropertiesTable.Rows[0], "Label") as TextBox;
Assert.IsNotNull(tbLabel, "Could not find text box for row label. If the code has changed " +
"such that there is no longer a default row in chemical streams tables or the default " +
"row has different units, then this test needs to be altered.");
Assert.IsTrue(tbLabel.Text.Equals("M1"), "Default label was not M1");
// Find the combo box for the units
ComboBox cbUnits = props.GetControl(cs1.PropertiesTable.Rows[0], "SelectedUnits") as ComboBox;
Assert.IsNotNull(cbUnits, "Could not find combo box control for selected units");
// Select mole %, which should change the label from M1 to N1
cbUnits.SelectedItem = "mol %";
// Verify that the label changed to "N1"
Assert.IsTrue(tbLabel.Text.Equals("N1"), "Test Failed: After unit change, the label " +
"did not change from M1 to N1");
// What would be nice to add to this test in the future:
// Change the text in tbLabel which simulates the user manually renaming the row. Change it to
// something like "nn1". Then change the units again to something like fractions, which would
// normally change 'n' to 'x', but shouldn't after a manual rename.
}
private static void DeleteStreamWithUndo(ChemProV.PFD.Streams.StreamControl stream,
DrawingCanvas canvas)
{
AbstractStream s = stream.Stream;
// Special case: the old version (before I rewrote a bunch of logic) didn't let
// you delete heat streams whose destination was a heat exchanger with utility.
// I will keep this functionality.
if (s is HeatStream && s.Destination is HeatExchangerWithUtility)
{
return;
}
// We need to build a list of undos
List <IUndoRedoAction> actions = new List <IUndoRedoAction>();
if (null != s.Source)
{
// If the stream has a non-null source then we need to detach it and
// make sure the undo would reattach it
actions.Add(new Logic.Undos.AttachOutgoingStream(s.Source, s));
actions.Add(new Logic.Undos.SetStreamSource(s, s.Source, null, s.SourceLocation));
// Do the detachment so that the process unit (which is staying around) won't
// have an outgoing stream that's been deleted
s.Source.DetachOutgoingStream(s);
s.Source = null;
}
if (null != s.Destination)
{
// If the stream has a non-null destination then we need to detach it and
// make sure the undo would reattach it
actions.Add(new Logic.Undos.AttachIncomingStream(s.Destination, s));
actions.Add(new Logic.Undos.SetStreamDestination(s, s.Destination, null, s.DestinationLocation));
// Do the detachment so that the process unit (which is staying around) won't
// have an incoming stream that's been deleted
s.Destination.DetachIncomingStream(s);
s.Destination = null;
}
// In all cases we will need to add the stream back to the workspace
actions.Add(new Logic.Undos.AddToWorkspace(stream.Stream));
// Delete the stream from the workspace. Event handlers will take care of updating the UI.
canvas.GetWorkspace().RemoveStream(stream.Stream);
// Add the undo that we built
canvas.GetWorkspace().AddUndo(
new UndoRedoCollection("Undo deletion of stream", actions.ToArray()));
}
