EquipmentTreeView--1123

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using System;
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;
using System.Collections.ObjectModel;
using System.Windows.Browser;

namespace ComputerDropDragControl
{
    /// <summary>
    /// 设备树
    /// 创建人：吴兆娟
    /// 创建时间：2011-10-24
    /// </summary>
    public partial class EquipmentTreeView : UserControl
    {
        ObservableCollection<Equipment> eList;

#region <<加载事件>>

        /// <summary>
        /// 初始化“设备树”
        /// </summary>
        public EquipmentTreeView(UIElement uc)
        {
            InitializeComponent();

BackElement = uc;

LoadData();

//绑定树
BindTree("0", null);

//初始化界面
InitForm();

            //订阅“选项发生变化”事件
            equipmentTree.SelectedItemChanged += new RoutedPropertyChangedEventHandler<object>(equipmentTree_SelectedItemChanged);
        }

        /// <summary>
        /// 初始化界面
        /// </summary>
        private void InitForm()
        {
            StaticClass.EquipmentTreeViewScroll = scrollOne;

            double browseWidth = Application.Current.Host.Content.ActualWidth;//SilverLight控件所在浏览器确定的宽度
            double browseHeight = Application.Current.Host.Content.ActualHeight;
            double width = browseWidth;
            double height = browseHeight;
            if (!Application.Current.IsRunningOutOfBrowser)//指示是否从浏览器外状态启动
            {
                //获取浏览器分辨率信息
                ScriptObject screen = (ScriptObject)HtmlPage.Window.GetProperty("screen");
                width = (double)screen.GetProperty("width");
                height = (double)screen.GetProperty("height");
            }
            //scrollOne.Height = height - 25 * 3 - 32;
            scrollOne.Height = browseHeight - 25 * 3 - 32;

            TreeViewItem temp = (TreeViewItem)equipmentTree.Items[0];
            temp.IsSelected = true;
            Equipment entity = (Equipment)temp.DataContext;
            returnID = entity.ID;

            //加载遮罩层相关
            StackPanel stackMark = new StackPanel();
            stackMark.Background = new SolidColorBrush(Colors.Black);
            stackMark.Opacity = 0.5;
            ((Grid)StaticClass.UIRoot).Children.Insert(1, stackMark);
            ((Border)((StackPanel)StaticClass.ProgressBarStatic).Parent).Visibility = Visibility.Visible;
            StaticClass.UISB.Begin();

BindControl(entity.IsRoom, entity.ID);
}

#endregion

#region <<控件事件>>

        /// <summary>
        /// “选项”发生变化事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void equipmentTree_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs<object> e)
        {
            //增加遮罩层
            StackPanel stackMark = new StackPanel();
            stackMark.Background = new SolidColorBrush(Colors.Black);
            stackMark.Opacity = 0.5;

            ((Grid)StaticClass.UIRoot).Children.Insert(1, stackMark);
            ((Border)((StackPanel)StaticClass.ProgressBarStatic).Parent).Visibility = Visibility.Visible;
            StaticClass.UISB.Begin();

            //选项发生变化
            TreeView tree = sender as TreeView;
            TreeViewItem treeViewItem = tree.SelectedItem as TreeViewItem;

            returnID = ((Equipment)treeViewItem.DataContext).ID;
            BindControl(((Equipment)treeViewItem.DataContext).IsRoom, ((Equipment)treeViewItem.DataContext).ID);
        }

#endregion

#region <<辅助方法>>

        /// <summary>
        /// 递归绑定树
        /// </summary>
        /// <param name="root"></param>
        /// <param name="xmlDoc"></param>
        private void BindTree(string parentID, TreeViewItem treeViewItem)
        {
            List<Equipment> result = (from equipmentEntity in eList
                                      where equipmentEntity.ParentID == parentID
                                      select equipmentEntity).ToList<Equipment>();
            if (result.Count > 0)
            {
                foreach (Equipment equipment in result)
                {
                    TreeViewItem temp = new TreeViewItem();
                    temp.IsExpanded = true;
                    temp.Header = equipment.Name;
                    temp.DataContext = equipment;
                    if (treeViewItem == null)
                    {
                        equipmentTree.Items.Add(temp);
                    }
                    else
                    {
                        treeViewItem.Items.Add(temp);
                    }
                    BindTree(equipment.ID, temp);
                }
            }
        }

        /// <summary>
        /// “设备类”
        /// </summary>
        //private class Equipment
        //{
        //    public Equipment() { }
        //    public Equipment(string id, string parentID, string name, string description, bool isRoom)
        //    {
        //        ID = id;
        //        ParentID = parentID;
        //        Name = name;
        //        Description = description;
        //        IsRoom = isRoom;
        //    }

        //    public string ID { get; set; }
        //    public string ParentID { get; set; }
        //    public string Name { get; set; }
        //    public string Description { get; set; }
        //    public bool IsRoom { get; set; }
        //}

        /// <summary>
        ///
        /// </summary>
        /// <returns></returns>
        private ObservableCollection<Equipment> LoadData()
        {
            eList = new ObservableCollection<Equipment>{
                new Equipment("1","0","园区机房","园区机房",true),
                new Equipment("2","1","园区机房排一","园区机房排一",false),
                new Equipment("3","1","园区机房排二","园区机房排二",false),
                new Equipment("4","1","园区机房排三","园区机房排三",false),
                new Equipment("5","0","市区机房","市区机房",true),
                new Equipment("6","5","市区机房排一","市区机房排一",false),
                new Equipment("7","5","市区机房排二","市区机房排二",false),
                new Equipment("8","0","新区机房","新区机房",true),
                new Equipment("9","8","新区机房排一","新区机房排一",false),
                new Equipment("10","8","新区机房排二","新区机房排二",false),
                new Equipment("11","8","新区机房排三","新区机房排三",false),
                new Equipment("12","8","新区机房排四","新区机房排四",false)
            };

return eList;
}

//备注
//http://www.cnblogs.com/daizhj/archive/2009/02/02/1372088.html

#endregion

private string returnID;

        /// <summary>
        /// 返回“选中项”的ID
        /// </summary>
        public string ReturnID
        {
            get
            {
                return returnID;
            }
        }

        /// <summary>
        /// 客户端与控件交互的控件
        /// </summary>
        public UIElement BackElement { get; set; }

        public void BindControl(bool isRoom, string ID)
        {
            ((StackPanel)BackElement).Children.Clear();
            if (isRoom)
            {
                ComputerRoom a = new ComputerRoom(ID, BackElement);
                ((StackPanel)BackElement).Children.Add(a);
            }
            else
            {
                ComputerRack a = new ComputerRack(ID);
                ((StackPanel)BackElement).Children.Add(a);
            }

}
}
}