private void SetNodesFromPath(string value)
{
this.Nodes.Clear();
StringBuilder tpath = new StringBuilder();
foreach (string s in value.Split(new string[] { this.PathSeparator }, StringSplitOptions.RemoveEmptyEntries))
{
tpath.AppendFormat("{0}{1}", s, this.PathSeparator);
this.Nodes.Add(new BreadcrumbBarNode(s, delegate(object sender, EventArgs e) {
BreadcrumbBarNode item = sender as BreadcrumbBarNode;
OnNodeClicked(new BreadcrumbBarNodeClickedEventArgs(item));
}, tpath));
}
this.Invalidate();
}
internal int CalculateNodeWidth(BreadcrumbBarNode node)
{
using (Graphics g = node.CreateGraphics()) {
return((int)g.MeasureString(
node.Text,
node.Font,
new SizeF(
Owner.Width, Owner.Height),
node.GetStringFormat()).Width +
(node.HasChildNodes ? node.DropDownBounds.Width : 0) +
(node is BreadcrumbBarRootNode ?
(node as BreadcrumbBarRootNode).ImageBounds.Width +
(node as BreadcrumbBarRootNode).ImageBounds.X + 2 :
8
));
}
}
public override void Clear()
{
lock ( nodes ) {
for (int i = 0; i < this.nodes.Count; i++)
{
BreadcrumbBarNode item = this.nodes[i];
//if ( item.Equals ( ( this.Owner as BreadcrumbBar ).Root ) || item is BreadcrumbBarRootNode ) {
// continue;
//} else {
Owner.Controls.Remove(item);
//}
}
//BreadcrumbBarRootNode root = ( this.Owner as BreadcrumbBar ).Root.Clone () as BreadcrumbBarRootNode;
nodes.Clear();
//( this.Owner as BreadcrumbBar ).Root = root;
//this.nodes.Add ( root );
}
}
public override void Add(Control value)
{
lock ( nodes ) {
if (value is BreadcrumbBarNode)
{
BreadcrumbBarNode v = value as BreadcrumbBarNode;
v.Height = this.Owner.Height - 2;
v.Width = CalculateNodeWidth(v);
int w = (Owner as BreadcrumbBar).Root.Width + 1;
foreach (var item in nodes)
{
w += item.Width;
}
v.Left = w;
v.Top = 1;
v.Parent = Owner as BreadcrumbBar;
nodes.Add(v);
Owner.Controls.Add(v);
}
}
}
public BreadcrumbBarNodeClickedEventArgs(BreadcrumbBarNode node) : base()
{
this.Node = node;
}