/// <summary>
/// 增加树节点
/// </summary>
private void AddNode()
{
if (tvQQQustion.SelectedNode.Level ==2) return;
var element = tvQQQustion.SelectedNode.Tag as XElement;
if (element == null) return;
var frm = new FormQuestionInfo();
if (DialogResult.OK != frm.ShowDialog()) return;
if (tvQQQustion.SelectedNode.Level == 0) //新增date节点
{
//1xml文档中加入节点 tvQQQustion.SelectedNode.Level ==0
var newElement = new XElement("Date",
new XAttribute("id", DateTime.Now.ToString("yyyyMMdd")),
new XElement("Q",
new XAttribute("isOk", frm.IsOk),
new XElement("title", frm.Title),
new XElement("desc", frm.Content
)
)
);
element.Add(newElement);
//2增加树节点
var dateNode = new TreeNode(newElement.FirstAttribute.Value) { Tag = newElement };
tvQQQustion.SelectedNode.Nodes.Add(dateNode);
var qElement = newElement.Element("Q");
var qNode = new TreeNode(qElement.Descendants("title").First().Value) { Tag = qElement };
dateNode.Nodes.Add(qNode);
qNode.BackColor = Convert.ToBoolean(frm.IsOk) ? Color.Green : Color.White;
//3选中新节点
tvQQQustion.SelectedNode = qNode;
}
else if(tvQQQustion.SelectedNode.Level ==1) //新增问题节点
{
//1xml文档中加入节点
var newElement = new XElement("Q",
new XAttribute("isOk", frm.IsOk),
new XElement("title", frm.Title),
new XElement("desc", frm.Content
)
);
element.Add(newElement);
//2增加树节点
var qNode = new TreeNode(newElement.Descendants("title").First().Value) { Tag = newElement };
tvQQQustion.SelectedNode.Nodes.Add(qNode);
qNode.BackColor = Convert.ToBoolean(frm.IsOk) ? Color.Green : Color.White;
//3选中新节点
tvQQQustion.SelectedNode = qNode;
}
}
/// <summary>
/// 修改树节点
/// </summary>
private void ModifyNode()
{
if (tvQQQustion.SelectedNode.Level != 2) return;
//1更新内存的Xdocment的对应的元素节点
XElement qElement = tvQQQustion.SelectedNode.Tag as XElement;
if (qElement == null || !qElement.Name.ToString().Equals("Q")) return;
var frm = new FormQuestionInfo(tbTitle.Text, tbContent.Text, rbIsSolve.Checked);
if (DialogResult.OK != frm.ShowDialog()) return;
qElement.FirstAttribute.Value = frm.IsOk;
var titleElement = qElement.Element("title");
if (titleElement != null) titleElement.Value = frm.Title;
var descElement = qElement.Element("desc");
if (descElement != null) descElement.Value = frm.Content;
//2更新节点的数据
tvQQQustion.SelectedNode.BackColor =Convert.ToBoolean(frm.IsOk) ? Color.Green : Color.White;
//3节点显示的数据更新
tbTitle.Text = frm.Title;
tbContent.Text = frm.Content;
rbIsSolve.Checked = Convert.ToBoolean(frm.IsOk);
}
