/// <summary>
/// Handles the <see cref="ToggleButton.Unchecked"/> event for the "Unit" <see
/// cref="ListView"/>.</summary>
/// <param name="sender">
/// The <see cref="Object"/> where the event handler is attached.</param>
/// <param name="args">
/// A <see cref="RoutedEventArgs"/> object containing event data.</param>
/// <remarks><para>
/// <b>OnUnitUnchecked</b> synchronizes the collection of selected units with the contents
/// of the "Unit" list view by removing the newly unchecked unit.
/// </para><para>
/// <b>OnUnitUnchecked</b> then calls <see cref="ShowSelection"/> to recalculate the
/// combined movement range of all currently selected units, and to update the display
/// accordingly.</para></remarks>
private void OnUnitUnchecked(object sender, RoutedEventArgs args)
{
args.Handled = true;
// retrieve unchecked unit, if any
var listItem = TreeHelper.FindParentListItem(args.Source);
if (listItem == null)
{
return;
}
UnitListItem item = (UnitListItem)listItem.Content;
int index = UnitList.Items.IndexOf(item);
// update selection list
if (this._selected.Contains(item.Item1))
{
this._selected.Remove(item.Item1);
}
// update list view & map view
item = new UnitListItem(item.Item1, false);
UnitList.Items[index] = item;
UnitList.SelectAndShow(index);
ShowSelection(true);
}
/// <summary>
/// Handles the <see cref="ButtonBase.Click"/> event for the "Uncheck Stack" <see
/// cref="Button"/>.</summary>
/// <param name="sender">
/// The <see cref="Object"/> where the event handler is attached.</param>
/// <param name="args">
/// A <see cref="RoutedEventArgs"/> object containing event data.</param>
/// <remarks>
/// <b>OnStackUncheck</b> unchecks all checked items in the "Unit" list view.</remarks>
private void OnStackUncheck(object sender, RoutedEventArgs args)
{
args.Handled = true;
int index = UnitList.SelectedIndex;
// uncheck all checked items
for (int i = 0; i < UnitList.Items.Count; i++)
{
UnitListItem item = (UnitListItem)UnitList.Items[i];
if (item.Item2)
{
UnitList.Items[i] = new UnitListItem(item.Item1, false);
}
// update selection list
if (this._selected.Contains(item.Item1))
{
this._selected.Remove(item.Item1);
}
}
// update list view & map view
UnitList.Items.Refresh();
UnitList.SelectAndShow(index);
ShowSelection(true);
}
/// <summary>
/// Handles the <see cref="Selector.SelectionChanged"/> event for the "Unit" <see
/// cref="ListView"/>. </summary>
/// <param name="sender">
/// The <see cref="Object"/> where the event handler is attached.</param>
/// <param name="args">
/// A <see cref="SelectionChangedEventArgs"/> object containing event data.</param>
/// <remarks>
/// <b>OnUnitSelected</b> updates the "Property" list view to reflect the selected item in
/// the "Unit" list view. That <see cref="Unit"/> is also moved to the top of its <see
/// cref="Site"/> stack.</remarks>
private void OnUnitSelected(object sender, SelectionChangedEventArgs args)
{
args.Handled = true;
// clear property list view
PropertyList.ShowEntity(null);
// retrieve selected unit, if any
int index = UnitList.SelectedIndex;
if (index < 0)
{
return;
}
UnitListItem item = (UnitListItem)UnitList.Items[index];
// show unit in Property list & map view
PropertyList.ShowEntity(item.Item1);
this._mapView.ShowEntity(item.Item1);
}
/// <summary>
/// Handles the <see cref="Control.MouseDoubleClick"/> event for a <see
/// cref="ListViewItem"/> of the "Unit" <see cref="ListView"/>.</summary>
/// <param name="sender">
/// The <see cref="Object"/> where the event handler is attached.</param>
/// <param name="args">
/// A <see cref="MouseButtonEventArgs"/> object containing event data.</param>
/// <remarks>
/// <b>OnUnitActivate</b> displays a <see cref="ShowClasses"/> dialog containing information
/// on the double-clicked item in the "Unit" list view.</remarks>
private void OnUnitActivate(object sender, MouseButtonEventArgs args)
{
args.Handled = true;
// retrieve double-clicked item, if any
var source = args.OriginalSource as DependencyObject;
var listItem = ItemsControl.ContainerFromElement(UnitList, source) as ListViewItem;
if (listItem == null)
{
return;
}
UnitListItem item = (UnitListItem)listItem.Content;
// show info dialog for this unit
var dialog = new ShowClasses(item.Item1)
{
Owner = this
};
dialog.ShowDialog();
}
