/// <summary>
/// Converts the supplied arguments to an array of parameters describing the column.
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments.</param>
/// <returns>An array of cell info objects.</returns>
public object Convert(object sender, object e)
{
if (e is MouseButtonEventArgs args)
{
if (args.ChangedButton != MouseButton.Left)
{
return(null);
}
var tableView = (TableView)sender;
var tableViewHitInfo = tableView.CalcHitInfo((DependencyObject)args.OriginalSource);
int?row = null;
if (tableViewHitInfo.RowHandle != int.MinValue)
{
row = tableViewHitInfo.RowHandle;
}
var matrixAddress = new MatrixAddress
{
Row = row,
Column = tableViewHitInfo.Column != null ? tableViewHitInfo.Column.FieldName : string.Empty
};
return(matrixAddress);
}
return(null);
}
/// <summary>
/// Sets properties when the selected item changes
/// </summary>
/// <param name="matrixAddress">
/// the address of the selected cell
/// </param>
private void SetRowAndColumnPropertiesOnSelectedItemChanged(MatrixAddress matrixAddress)
{
if (matrixAddress == null)
{
this.SelectedColumnDetails = string.Empty;
this.SelectedRowDetails = string.Empty;
return;
}
var columnDefinition = this.Columns.SingleOrDefault(c => c.FieldName == matrixAddress.Column);
this.SelectedColumnDetails = columnDefinition?.ToolTip;
if (matrixAddress.Row != null)
{
var row = this.Records[matrixAddress.Row.Value];
var firstColumn = row.FirstOrDefault();
this.SelectedRowDetails = firstColumn
.Value?
.Tooltip ??
string.Empty;
}
else
{
// column only selected
this.SelectedRowDetails = string.Empty;
this.SelectedCellDetails = string.Empty;
}
}
/// <summary>
/// Executes the <see cref="MouseDownCommand" />
/// </summary>
/// <param name="matrixAddress">
/// the address of the selected cell
/// </param>
private void MouseDownCommandExecute(MatrixAddress matrixAddress)
{
//Only if row is null, otherwise SelectedCell PropertyChanged handles setting properties
if (matrixAddress.Row is null)
{
this.SetRowAndColumnPropertiesOnSelectedItemChanged(matrixAddress);
}
}
public override void Setup()
{
base.Setup();
this.vm = new MatrixViewModel(this.session.Object, this.iteration, null);
this.matrixAdress1 = new MatrixAddress();
this.matrixAdress2 = new MatrixAddress()
{
Column = "column", Row = 1
};
}
/// <summary>
/// Sets the info detail properties
/// </summary>
/// <param name="vm"><see cref="MatrixCellViewModel"/> that represents the currently selected grid cell</param>
private void SetPropertiesOnSelectedItemChanged(MatrixCellViewModel vm)
{
this.SelectedCellDetails = string.Empty;
if (vm == null)
{
return;
}
var selectedRow = this.Records.FirstOrDefault(x => x.SingleOrDefault(y => y.Value == vm).Key != null);
if (selectedRow != null)
{
var thing = vm.SourceX as DefinedThing;
var matrixAddress = new MatrixAddress
{
Column = thing?.ShortName ?? string.Empty,
Row = this.Records.IndexOf(selectedRow)
};
this.SetRowAndColumnPropertiesOnSelectedItemChanged(matrixAddress);
}
var toolTip = new StringBuilder();
foreach (var relationship in vm.Relationships)
{
if (toolTip.Length > 0)
{
toolTip.AppendLine("");
toolTip.AppendLine("");
}
toolTip.AppendLine(relationship.Source.Equals(vm.SourceY) ? "------------->>>" : "<<<-------------");
toolTip.Append(relationship.Tooltip());
}
this.SelectedCellDetails = toolTip.ToString();
}
