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.
}
/// <summary>
/// This is called whenever ChemicalStreamData in an exisiting table is changed
/// </summary>
/// <param name="itable">This is the table who's data was changed</param>
public void DataChanged(DataUpdatedEventArgs changedData, ChemicalStreamData data, IPropertiesTable itable)
{
if (changedData.OldData as string != null && (changedData.OldData as string) != "")
{
tableEntries.Remove(changedData.OldData as string);
tableEntries.Add(data.Label, data);
}
else
{
tableEntries.Remove(data.Label);
tableEntries.Add(data.Label, data);
}
TableDataChanged(itable, new EventArgs());
}
private void AutoLabel(ChemicalStreamData row)
{
// Start by getting the character for the units
char startChar;
if ("massFrac" == row.SelectedUnits)
{
// We use 'X' and 'x' for mass fraction
startChar = 'X';
}
else if ("molFrac" == row.SelectedUnits)
{
// Y,y for mole fraction
startChar = 'Y';
}
else if ("mol %" == row.SelectedUnits || "mol" == row.SelectedUnits ||
"mol/sec" == row.SelectedUnits)
{
// N,n for anything remaining that has moles
startChar = 'N';
}
else
{
// M,m for everything else
startChar = 'M';
}
// Determine the row number
int rowNum = m_table.IndexOfRow(row);
// Now set the actual label
if ("Overall" == row.SelectedCompound)
{
// Label of the form: "[startChar.Upper][streamNum]"
row.Label = startChar.ToString() + m_table.Stream.Id.ToString();
}
else if (string.IsNullOrEmpty(row.SelectedCompound))
{
// Label of the form: "[startChar.Lower][streamNum][rowIndex + 1]"
row.Label = char.ToLower(startChar).ToString() + m_table.Stream.Id.ToString() + (rowNum + 1).ToString();
}
else
{
// Label of the form: "[startChar.Lower][streamNum][twoCharCompound]
PFD.Streams.PropertiesWindow.Compound compound =
PFD.Streams.PropertiesWindow.CompoundFactory.GetElementsOfCompound(
row.SelectedCompound.ToLower());
row.Label = char.ToLower(startChar).ToString() + m_table.Stream.Id.ToString() + compound.Abbr;
}
}
private void ComboBoxField_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
// Get the column index for the control.Remember that there's an extra column in the
// grid (with respect to the data row) for the row removal buttons.
int column = (int)(sender as ComboBox).GetValue(Grid.ColumnProperty) - 1;
Tuple <IStreamDataRow, string> info = (sender as ComboBox).Tag as
Tuple <IStreamDataRow, string>;
if (null != info)
{
string newValue = (sender as ComboBox).SelectedItem as string;
if (null == newValue)
{
newValue = (sender as ComboBox).SelectedItem.ToString();
}
// Set the new value
m_ignoreRowPropertyChanges = true;
info.Item1[column] = newValue;
m_ignoreRowPropertyChanges = false;
// If we just changed the "SelectedUnits" field, then check if we have to auto-
// rename the row
ChemicalStreamData csd = info.Item1 as ChemicalStreamData;
if ((info.Item2.Equals("SelectedUnits") || info.Item2.Equals("SelectedCompound")) &&
!info.Item1.UserHasRenamed && null != csd)
{
m_programmaticallyChanging = true;
// Remove the event handler for the label text box while we change the label
TextBox tbLabel = GetControl(info.Item1, "Label") as TextBox;
tbLabel.TextChanged -= this.TextField_TextChanged;
// Change the label in the data structure
AutoLabel(csd);
// Re-subscribe to the label text box changes
tbLabel.TextChanged += this.TextField_TextChanged;
m_programmaticallyChanging = false;
csd.UserHasRenamed = false;
}
}
}
