/// <summary>
/// Clears the animation list.
/// </summary>
private void ClearButton_Click(object sender, RoutedEventArgs e)
{
Debug.Assert(IsRemoveEnabled);
VisAnimItems.Clear();
RefreshAnim();
}
/// <summary>
/// Repositions an item in the animation list, moving it down one slot.
/// </summary>
private void DownButton_Click(object sender, RoutedEventArgs e)
{
Visualization item = (Visualization)visAnimGrid.SelectedItem;
int index = VisAnimItems.IndexOf(item);
Debug.Assert(index >= 0 && index < VisAnimItems.Count - 1);
VisAnimItems.Remove(item);
VisAnimItems.Insert(index + 1, item);
visAnimGrid.SelectedIndex = index + 1;
visAnimGrid.ScrollIntoView(item);
//RefreshAnim();
}
private void PopulateItemLists()
{
// Add the animation's visualizations, in order.
if (mOrigAnim != null)
{
for (int i = 0; i < mOrigAnim.Count; i++)
{
int serial = mOrigAnim[i];
Visualization vis = VisualizationSet.FindVisualizationBySerial(mEditedList,
serial);
if (vis != null)
{
VisAnimItems.Add(vis);
}
else
{
// Could happen if the Visualization exists but isn't referenced by
// any VisualizationSets. Shouldn't happen unless the project file
// was damaged. Silently ignore it.
Debug.WriteLine("WARNING: unknown vis serial " + serial);
}
}
}
// Add all remaining non-animation Visualizations to the "source" set.
foreach (KeyValuePair <int, VisualizationSet> kvp in mEditedList)
{
foreach (Visualization vis in kvp.Value)
{
if (vis is VisualizationAnimation)
{
// disallow using animations as animation frames
continue;
}
VisSourceItems.Add(vis);
}
}
if (VisSourceItems.Count > 0)
{
visSourceGrid.SelectedIndex = 0;
}
if (VisAnimItems.Count > 0)
{
visAnimGrid.SelectedIndex = 0;
}
}
/// <summary>
/// Adds an item to the end of the animation list.
/// </summary>
/// <remarks>
/// We could make this an insert or add-at-cursor operation. This feels a bit more
/// natural, and works since we're still limited to single-select on the anim list.
/// The selection should be set to the last item added so we can add repeatedly.
/// </remarks>
private void AddSelection()
{
if (!IsAddEnabled)
{
return;
}
for (int i = 0; i < visSourceGrid.SelectedItems.Count; i++)
{
Visualization item = (Visualization)visSourceGrid.SelectedItems[i];
VisAnimItems.Add(item);
}
if (visAnimGrid.SelectedIndex < 0)
{
visAnimGrid.SelectedIndex = 0;
}
RefreshAnim();
}
/// <summary>
/// Removes an item from the animation list.
/// </summary>
private void RemoveSelection()
{
if (!IsRemoveEnabled)
{
return;
}
int index = visAnimGrid.SelectedIndex;
Debug.Assert(index >= 0);
VisAnimItems.RemoveAt(index);
if (index == VisAnimItems.Count)
{
index--;
}
if (index >= 0)
{
visAnimGrid.SelectedIndex = index;
}
RefreshAnim();
}