private void AddElement <T>() where T : Element
{
if (treeView.SelectedNode != null)
{
var elementTreeNode = treeView.SelectedNode as ElementTreeNode;
if (elementTreeNode != null)
{
var groupElement = elementTreeNode.Element as GroupElement;
var element = Activator.CreateInstance <T>();
element.Name = $"New {element.GetType().Name}";
groupElement.SubElements.Add(element);
var treeNode = new ElementTreeNode();
treeNode.ParentTreeNode = elementTreeNode;
treeNode.Element = element;
treeNode.Name = element.Name;
treeNode.Text = element.Name;
treeNode.ParentGroupElement = elementTreeNode.Element as GroupElement;
treeNode.ContextMenuStrip = element is GroupElement ? groupContextMenuStrip : normalContextMenuStrip;
elementTreeNode.Nodes.Add(treeNode);
elementTreeNode.Expand();
treeView.SelectedNode = treeNode;
}
}
}
private void ProcessGroupElement(GroupElement modelBaseGroupElement, ElementTreeNode parentTreeNode)
{
foreach (var element in modelBaseGroupElement.SubElements)
{
var elementTreeNode = new ElementTreeNode {
Name = element.Name, Text = element.Name, Element = element, ParentGroupElement = modelBaseGroupElement
};
elementTreeNode.ContextMenuStrip = normalContextMenuStrip;
elementTreeNode.ParentTreeNode = parentTreeNode;
if (element is GroupElement)
{
var groupElement = element as GroupElement;
ProcessGroupElement(groupElement, elementTreeNode);
elementTreeNode.ContextMenuStrip = groupContextMenuStrip;
}
parentTreeNode.Nodes.Add(elementTreeNode);
}
}
private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
var openFileDialog = new OpenFileDialog();
var dialogResult = openFileDialog.ShowDialog();
if (dialogResult == DialogResult.OK)
{
treeView.Nodes.Clear();
IModelLoader modelLoader = new XmlModelLoader(openFileDialog.FileName);
_modelBaseGroupElement = modelLoader.LoadModel();
var elementTreeNode = new ElementTreeNode {
Element = _modelBaseGroupElement, Name = _modelBaseGroupElement.Name, Text = _modelBaseGroupElement.Name
};
elementTreeNode.ContextMenuStrip = groupContextMenuStrip;
ProcessGroupElement(_modelBaseGroupElement, elementTreeNode);
treeView.Nodes.Add(elementTreeNode);
}
}