Silverlight中后台动态生成树菜单
2020-12-13 06:07
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
namespace ttt{
public partial class Leftmenu : UserControl
{
#region 全局变量
// 定义按钮点击事件给主页面调用赋值
public MouseButtonEventHandler OnClick;
#endregion
#region 构造方法
///
/// 构造方法
///
public Leftmenu()
{
InitializeComponent();
AddTreeNode(0, null);
this.BindMenuEvent();
}
#endregion
#region Menu项绑定事件
///
/// Menu项绑定事件
///
void BindMenuEvent()
{
foreach (TreeViewItem rootItem in this.menu.Items)
{
foreach (TreeViewItem item in rootItem.Items)
{
if (item.Tag != null)
{
item.MouseLeftButtonUp += new MouseButtonEventHandler(item_MouseLeftButtonUp);
}
}
}
}
#endregion
#region 页面传值
///
/// 页面传值
///
///
///
void item_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
if (OnClick != null)
OnClick(sender, e);
}
#endregion
#region 定义实体类
///
/// 定义实体类
///
public class DeciveInfo
{
public int DeciveID { get; set; }
public int ParendID { get; set; }
public string DeciveName { get; set; }
public string pageName { get; set; }
}
#endregion
#region 获得动态数据的方法
///
/// 获得动态数据的方法
///
///
public List
{
List
deviceInfoList.Add(new DeciveInfo() { DeciveID = 1, ParendID = 0, DeciveName = "大项一" });
deviceInfoList.Add(new DeciveInfo() { DeciveID = 2, ParendID = 0, DeciveName = "大项二" });
deviceInfoList.Add(new DeciveInfo() { pageName = "UserList", DeciveID = 3, ParendID = 1, DeciveName = "大项一中1" });
deviceInfoList.Add(new DeciveInfo() { pageName = "UserList1", DeciveID = 4, ParendID = 1, DeciveName = "大项一中2" });
deviceInfoList.Add(new DeciveInfo() { pageName = "UserList", DeciveID = 5, ParendID = 2, DeciveName = "大项二1" });
deviceInfoList.Add(new DeciveInfo() { pageName = "UserList1", DeciveID = 6, ParendID = 2, DeciveName = "大项二2" });
return deviceInfoList;
}
#endregion
#region 添加叶子节点信息
///
/// 添加叶子节点信息
///
/// 父亲节点信息
///
private void AddTreeNode(int parentID, TreeViewItem treeViewItem)
{
// 检索查询的集合
List
where deviceInfo.ParendID == parentID
select deviceInfo).ToList
// 查询结果不为空的情况下进行一下处理
if (result.Count > 0)
{
foreach (DeciveInfo deciveInf in result)
{
TreeViewItem objTreeNode = new TreeViewItem();
objTreeNode.Header = deciveInf.DeciveName;
// TODO 页面的导向
objTreeNode.Tag = deciveInf.pageName;
objTreeNode.DataContext = deciveInf;
//此样式将会添加的所有叶子结点上
objTreeNode.ItemContainerStyle = this.Resources["RedItemStyle"] as Style;
//添加根节点
if (treeViewItem == null)
{
menu.Items.Add(objTreeNode);
}
else
{
treeViewItem.Items.Add(objTreeNode);
}
//objTreeNode.is
AddTreeNode(deciveInf.DeciveID, objTreeNode);
}
// 给父亲节点添加属性信息
//objTreeNode.ItemContainerStyle = this.Resources["RedItemStyle"] as Style;
}
}
#endregion
}
}
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