/// <summary>
/// Removes the child tree.
/// </summary>
/// <param name="node">The node.</param>
public void RemoveChildTree(DecisionNode node)
{
if (node == null)
{
return;
}
if (node.layer == 0)
{
return;
}
if (node.lChild == null)
{
return;
}
Canvas.instance.panelCanvas.Controls.Remove(node.lChild.button);
Canvas.instance.panelCanvas.Controls.Remove(node.rChild.button);
RemoveChildTree(node.lChild);
RemoveChildTree(node.rChild);
DecisionTreeLayer layer = GetLayer(node.layer + 1);
layer.nodeList[node.lChild.index] = null;
layer.nodeList[node.rChild.index] = null;
if (IsLayerEmpty(layer))
{
layerList.Remove(layer);
}
node.lChild = null;
node.rChild = null;
node.nodeColor = RandomColor.GetRandomColor();
node.button.Appearance.ForeColor = Color.White;
}
/// <summary>
/// 新建节点显示控件.
/// </summary>
/// <param name="node">The node.</param>
/// <returns>SimpleButton.</returns>
public static SimpleButton NewNodeButton(DecisionNode node)
{
SimpleButton btn = new SimpleButton();
btn.ButtonStyle = DevExpress.XtraEditors.Controls.BorderStyles.HotFlat;
btn.Name = node.NodeName;
btn.Size = new System.Drawing.Size(60, 24);
btn.Text = node.NodeName;
btn.Tag = node;
btn.Appearance.Options.UseBackColor = true;
//if (node.layer > 0)
{
btn.MouseDown += new MouseEventHandler(simpleButton_MouseDown);
btn.DoubleClick += new EventHandler(simpleButton_DoubleClick);
}
if (node.layer > 0)
{
Random random = new Random();
btn.Appearance.BackColor = RandomColor.GetRandomColor();
btn.Appearance.ForeColor = Color.White;
}
return(btn);
}