/// <summary>
/// Removes the provided Curve from Bender.
/// </summary>
internal void RemoveCurve(Curve curve)
{
CurveTreeLeaf leaf = FindContainerLeaf(Root, curve);
if (leaf != null)
{
RemoveNodeAndCurves(leaf);
leaf.Parent.Children.Remove(leaf);
}
}
/// <summary>
/// Will remove the whole subtree of nodes below the provided node (from the control).
/// The provided node must be removed from the tree by the calling code.
/// </summary>
private void RemoveNodeAndCurves(CurveTreeNode node)
{
for (int i = node.Children.Count - 1; i >= 0; i--)
{
RemoveNodeAndCurves(node.Children[i]);
}
CurveTreeLeaf leaf = node as CurveTreeLeaf;
if (leaf != null)
{
Control.Curves.Remove(leaf.Curve);
}
}
private CurveTreeLeaf FindContainerLeaf(CurveTreeNode node, Curve curve)
{
for (int i = node.Children.Count - 1; i >= 0; i--)
{
CurveTreeLeaf leaf = node.Children[i] as CurveTreeLeaf;
if (leaf != null && Object.ReferenceEquals(curve, leaf.Curve.Curve))
{
return(leaf);
}
// Call recursively on this child;
leaf = FindContainerLeaf(node.Children[i], curve);
if (leaf != null)
{
return(leaf);
}
}
return(null);
}
private void SaveCurve_Click(object sender, RoutedEventArgs e)
{
CurveTreeLeaf leaf = ((FrameworkElement)sender).DataContext as CurveTreeLeaf;
if (leaf == null)
{
return;
}
// Get the actual curve to save.
Curve curve = leaf.Curve.Curve;
if (curve == null)
{
return;
}
// Configure save file dialog box
Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
dlg.FileName = leaf.Curve.Name; // Default file name
dlg.DefaultExt = ".xml"; // Default file extension
dlg.Filter = "Xml files (.xml)|*.xml"; // Filter files by extension
// Show save file dialog box
Nullable <bool> result = dlg.ShowDialog();
// Process save file dialog box results
if (result != true)
{
return;
}
// Write!
using (var streamOut = new FileStream(dlg.FileName, FileMode.Create))
{
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
settings.IndentChars = " ";
XmlWriter writer = XmlWriter.Create(streamOut, settings);
IntermediateSerializer.Serialize <Curve>(writer, curve, dlg.FileName);
writer.Close();
}
}