protected override IAnimation CreateViewportAnimation(RectD targetBounds)
{
if (nodes.Count == 0)
{
return(base.CreateViewportAnimation(targetBounds));
}
if (!nodes.All(node => Graph.Contains(node)))
{
throw new InvalidOperationException("Cannot zoom to nodes that are not in the graph");
}
var layoutGraph = this.LayoutGraph;
var bounds = nodes
.Select(node => layoutGraph.GetBoundingBox(layoutGraph.GetCopiedNode(node)))
.Aggregate(RectD.Empty, (rect1, rect2) => rect1 + rect2.ToRectD());
var viewportAnimation =
new ViewportAnimation(this.GraphControl, bounds, this.Duration)
{
// The insets are not symmetric since we must compensate the space of the scrollbars
TargetViewMargins = new InsetsD(20, 20, 36, 36), MaximumTargetZoom = 1
};
return(viewportAnimation);
}
/// <summary>
/// Called after the layout has been calculated.
/// </summary>
/// <remarks>
/// Applies the layout in an animation and cleans up. Calls OnDone to raise the Done event after the animation has been completed.
/// </remarks>
/// <param name="graph">The graph to apply the layout to.</param>
/// <param name="moduleContext">The module context.</param>
/// <param name="compoundEdit">The undo edit which wraps the layout. It was created in <see cref="StartWithIGraph"/> and will be closed here.</param>
protected virtual async Task LayoutDone(IGraph graph, ILookup moduleContext, ICompoundEdit compoundEdit)
{
if (abortDialog != null)
{
if (abortDialog.IsVisible)
{
abortDialog.Close();
}
abortDialog = null;
}
GraphControl view = moduleContext.Lookup <GraphControl>();
if (LayoutMorphingEnabled && view != null)
{
var morphingAnimation =
graph.CreateLayoutAnimation(layoutGraph, TimeSpan.FromSeconds(1));
Rectangle2D box =
LayoutGraphUtilities.GetBoundingBox(layoutGraph, layoutGraph.GetNodeCursor(), layoutGraph.GetEdgeCursor());
RectD targetBounds = box.ToRectD();
ViewportAnimation vpAnim =
new ViewportAnimation(view,
targetBounds, TimeSpan.FromSeconds(1))
{
MaximumTargetZoom = 1.0d, TargetViewMargins = view.ContentMargins
};
var animations = new List <IAnimation>();
animations.Add(morphingAnimation);
animations.Add(CreateTableAnimations());
if (ViewPortMorphingEnabled)
{
animations.Add(vpAnim);
}
TableLayoutConfigurator.CleanUp(graph);
Animator animator = new Animator(view);
await animator.Animate(animations.CreateParallelAnimation().CreateEasedAnimation());
try {
compoundEdit.Commit();
view.UpdateContentRect();
} finally {
OnDone(new LayoutEventArgs());
}
}
else
{
layoutGraph.CommitLayoutToOriginalGraph();
RestoreTableLayout();
compoundEdit.Commit();
if (view != null)
{
view.UpdateContentRect();
}
OnDone(new LayoutEventArgs());
}
}
