/// <summary>
/// Moves a unit to a new location within the hierarchy.
/// </summary>
/// <param name="unit">The moved unit.</param>
/// <param name="target">The new suprtior of the unit.</param>
public void MoveUnitInHierarchy(IUnitDecorator unit, HigherUnitDecorator target)
{
if (unit.Superior != null)
{
if (unit.Superior == target)
{
return;
}
unit.Superior.RemoveSubordinate((UnitBase)unit);
}
target.AddSubordinate((UnitBase)unit);
SelectedUnit = unit;
RootUnit.Subordinates.Refresh();
OnModelChanged();
}
private void DropTreeDrop(object sender, DragEventArgs e)
{
Contract.Requires(e.Data != null);
IUnitDecorator droppedUnitDecorator = null;
if (e.Data.GetDataPresent(typeof(UnitDecorator)))
{
droppedUnitDecorator = e.Data.GetData(typeof(UnitDecorator)) as UnitDecorator;
}
else if (e.Data.GetDataPresent(typeof(HigherUnitDecorator)))
{
droppedUnitDecorator = e.Data.GetData(typeof(HigherUnitDecorator)) as HigherUnitDecorator;
}
if (droppedUnitDecorator != null)
{
var treeViewItem = FindAnchestor <TreeViewItem>((DependencyObject)e.OriginalSource);
HigherUnitDecorator dropTarget = ViewModel.RootUnit;
if (treeViewItem != null)
{
dropTarget = treeViewItem.Header as HigherUnitDecorator;
if (dropTarget == null)
{
return;
}
}
Contract.Assume(dropTarget != null);
if (droppedUnitDecorator == dropTarget)
{
return;
}
ViewModel.MoveUnitInHierarchy(droppedUnitDecorator, dropTarget);
}
}
/// <summary>
/// Called when the unit was changed.
/// </summary>
/// <param name="oldUnit">The old unit.</param>
/// <param name="newUnit">The new unit.</param>
protected virtual void OnUnitChanged(HigherUnitDecorator oldUnit, HigherUnitDecorator newUnit)
{
}
/// <summary>
/// Called when the unit was changed.
/// </summary>
/// <param name="oldUnit">The old unit.</param>
/// <param name="newUnit">The new unit.</param>
protected override void OnUnitChanged(HigherUnitDecorator oldUnit, HigherUnitDecorator newUnit)
{
ResetAllValidationErrors();
UpdateProperties();
}
/// <summary>
/// Called when the unit was changed.
/// </summary>
/// <param name="oldUnit">The old unit.</param>
/// <param name="newUnit">The new unit.</param>
protected override void OnUnitChanged(HigherUnitDecorator oldUnit, HigherUnitDecorator newUnit)
{
ResetAllValidationErrors();
UpdateProperties();
}