/// <summary>
/// 初始化树数据
/// </summary>
public void LoadTreeData()
{
this.BeginUpdate();
///只有右侧树才会加载_dicNodeIndexs
if (TreeMode == TreeMode.General)
{
_dicNodeIndexs.Clear();
}
SdsiteXmlDocument sdsiteDoc = Service.Sdsite.CurrentDocument;
///添加TreeView的根节点:SiteManagerNode
if (this.TreeMode == TreeMode.General)
{
SiteManagerNode = new SiteManagerNode(Path.GetDirectoryName(SdsiteFilePath));
AddRootNodeToTree(SiteManagerNode);
SiteManagerNode.LoadData();
SiteManagerNode.Expand();
this.ContextMenuStrip = TreeContextMenuStrip.CreateForTreeView(this);
}
else
{
SelectTreeRootChanNode = new RootChannelNode(Service.Sdsite.CurrentDocument.RootChannel);
this.Nodes.Clear();
this.Nodes.Add(SelectTreeRootChanNode);
SelectTreeRootChanNode.LoadData();
}
this.EndUpdate();
}
/// <summary>
/// 添加根节点的内部方法
/// </summary>
private void AddRootNodeToTree(SiteManagerNode node)
{
///清空节点
this.Nodes.Clear();
///设置图标
//node.SelectedImageKey = node.ImageKey = node.CollapseImageKey;
///添加到树中
this.Nodes.Add(node);
}
protected override void OnAfterCollapse(TreeViewEventArgs e)
{
BaseTreeNode myNode = e.Node as BaseTreeNode;
///若是SiteManagerNode(即根节点)折叠，则再次展开，即不允许其折叠
if (myNode == SiteManagerNode)
{
SiteManagerNode.Expand();
return;
}
///若ImageKey不等于ExpandImageKey，则认为它的图标正在表示特殊用途，那么不更换图标
if (myNode.ImageKey == myNode.ExpandImageKey)
{
myNode.ImageKey = myNode.FactImageKey;
myNode.SelectedImageKey = myNode.ImageKey;
}
base.OnAfterCollapse(e);
}
