//***************************************************
//
// 文件名（FileName） ： ZsmTreeView.xaml.cs
//
// 作者（Author） ： zsm
//
// 创建时间（CreateAt）: 2013-03-15 16:52:40
//
// 描述（Description） ： 带CheckBox的TreeView控件的交互逻辑代码
//
//***************************************************
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace Com.FMS.View.UserControls
{
/// <summary>
/// ZsmTreeView.xaml 的交互逻辑
/// </summary>
public partial class ZsmTreeView : UserControl
{
#region 私有变量属性
/// <summary>
/// 控件数据
/// </summary>
private IList<Model.TreeModel> _itemsSourceData;
#endregion
/// <summary>
/// 构造
/// </summary>
public ZsmTreeView()
{
InitializeComponent();
}
/// <summary>
/// 控件数据
/// </summary>
public IList<Model.TreeModel> ItemsSourceData
{
get { return _itemsSourceData; }
set
{
_itemsSourceData = value;
tvZsmTree.ItemsSource = _itemsSourceData;
}
}
/// <summary>
/// 设置对应Id的项为选中状态
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public int SetCheckedById(string id, IList<Model.TreeModel> treeList)
{
foreach (var tree in treeList)
{
if (tree.Id.Equals(id))
{
tree.IsChecked = true;
return 1;
}
if (SetCheckedById(id, tree.Children) == 1)
{
return 1;
}
}
return 0;
}
/// <summary>
/// 设置对应Id的项为选中状态
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public int SetCheckedById(string id)
{
foreach (var tree in ItemsSourceData)
{
if (tree.Id.Equals(id))
{
tree.IsChecked = true;
return 1;
}
if (SetCheckedById(id, tree.Children) == 1)
{
return 1;
}
}
return 0;
}
/// <summary>
/// 获取选中项
/// </summary>
/// <returns></returns>
public IList<Model.TreeModel> CheckedItemsIgnoreRelation()
{
return GetCheckedItemsIgnoreRelation(_itemsSourceData);
}
/// <summary>
/// 私有方法，忽略层次关系的情况下，获取选中项
/// </summary>
/// <param name="list"></param>
/// <returns></returns>
private IList<Model.TreeModel> GetCheckedItemsIgnoreRelation(IList<Model.TreeModel> list)
{
IList<Model.TreeModel> treeList = new List<Model.TreeModel>();
foreach (var tree in list)
{
if (tree.IsChecked)
{
treeList.Add(tree);
}
foreach (var child in GetCheckedItemsIgnoreRelation(tree.Children))
{
treeList.Add(child);
}
}
return treeList;
}
/// <summary>
/// 选中所有子项菜单事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void menuSelectAllChild_Click(object sender, RoutedEventArgs e)
{
if (tvZsmTree.SelectedItem != null)
{
Model.TreeModel tree = (Model.TreeModel)tvZsmTree.SelectedItem;
tree.IsChecked = true;
tree.SetChildrenChecked(true);
}
}
/// <summary>
/// 全部展开菜单事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void menuExpandAll_Click(object sender, RoutedEventArgs e)
{
foreach (Model.TreeModel tree in tvZsmTree.ItemsSource)
{
tree.IsExpanded = true;
tree.SetChildrenExpanded(true);
}
}
/// <summary>
/// 全部折叠菜单事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void menuUnExpandAll_Click(object sender, RoutedEventArgs e)
{
foreach (Model.TreeModel tree in tvZsmTree.ItemsSource)
{
tree.IsExpanded = false;
tree.SetChildrenExpanded(false);
}
}
/// <summary>
/// 全部选中事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void menuSelectAll_Click(object sender, RoutedEventArgs e)
{
foreach (Model.TreeModel tree in tvZsmTree.ItemsSource)
{
tree.IsChecked = true;
tree.SetChildrenChecked(true);
}
}
/// <summary>
/// 全部取消选中
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void menuUnSelectAll_Click(object sender, RoutedEventArgs e)
{
foreach (Model.TreeModel tree in tvZsmTree.ItemsSource)
{
tree.IsChecked = false;
tree.SetChildrenChecked(false);
}
}
/// <summary>
/// 鼠标右键事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TreeViewItem_PreviewMouseRightButtonDown(object sender, MouseButtonEventArgs e)
{
TreeViewItem item = VisualUpwardSearch<TreeViewItem>(e.OriginalSource as DependencyObject) as TreeViewItem;
if (item != null)
{
item.Focus();
e.Handled = true;
}
}
static DependencyObject VisualUpwardSearch<T>(DependencyObject source)
{
while (source != null && source.GetType() != typeof(T))
source = VisualTreeHelper.GetParent(source);
return source;
}
}
}
