lj_plc/Controls/Mesnac.Controls.Default/MCTreeView.cs

253 lines
6.5 KiB
C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Mesnac.Controls.Base;
using System.Drawing;
namespace Mesnac.Controls.Default
{
[ToolboxBitmap(typeof(TreeView))]
public partial class MCTreeView : TreeView, IBaseControl
{
#region 字段定义
private static bool _onOff = true; //开关变量
private bool _mcVisible = true; //保存可见性
private bool _mcEnabled = true; //保存可用性
private bool _isValid = true; //保存有效性
private bool _isEventValid = true; //保存事件有效性
private List<DesignAction> _clickActionList = new List<DesignAction>();
private List<DesignAction> _doubleClickActionList = new List<DesignAction>();
private List<DesignAction> _afterCheckActionList = new List<DesignAction>();
#endregion
#region 构造方法
public MCTreeView()
{
InitializeComponent();
this.AfterCheck += new System.Windows.Forms.TreeViewEventHandler(MCTreeView_AfterCheck);
}
public MCTreeView(IContainer container)
{
container.Add(this);
InitializeComponent();
this.AfterCheck += new System.Windows.Forms.TreeViewEventHandler(MCTreeView_AfterCheck);
}
#endregion
#region 事件处理
private void MCTreeView_AfterCheck(object sender, TreeViewEventArgs e)
{
if (_onOff)
{
this.SetChildCheckState(e.Node);
_onOff = false;
this.SetParentCheckState(e.Node);
_onOff = true;
}
}
#endregion
#region 方法定义
/// <summary>
/// 递归更新子节点状态
/// </summary>
/// <param name="node"></param>
private void SetChildCheckState(TreeNode node)
{
foreach (TreeNode childNode in node.Nodes)
{
childNode.Checked = node.Checked;
this.SetChildCheckState(childNode);
}
}
/// <summary>
/// 递归更新父节点状态
/// </summary>
/// <param name="node"></param>
private void SetParentCheckState(TreeNode node)
{
if (node.Parent != null)
{
if (node.Checked == true)
{
node.Parent.Checked = node.Checked;
}
else
{
bool flag = false;
foreach (TreeNode brotherNode in node.Parent.Nodes)
{
if (brotherNode.Checked == true)
{
flag = true;
break;
}
}
if (flag == false)
{
node.Parent.Checked = flag;
}
}
this.SetParentCheckState(node.Parent);
}
}
#endregion
#region 事件定义
public List<DesignAction> ClickActionList
{
get { return this._clickActionList; }
set { this._clickActionList = value; }
}
public List<DesignAction> DoubleClickActionList
{
get { return _doubleClickActionList; }
set { _doubleClickActionList = value; }
}
public List<DesignAction> AfterCheckActionList
{
get { return _afterCheckActionList; }
set { _afterCheckActionList = value; }
}
#endregion
#region 接口成员实现
public string MCKey
{
get;
set;
}
public object MCValue
{
get
{
return this.SelectedNode;
}
set
{
this.SelectedNode = value == null ? new TreeNode() : (TreeNode)value;
}
}
public IBaseControl MCRoot
{
get;
set;
}
[TypeConverter(typeof(DataSourceConverter))]
[Description("数据连接"), Category("数据")]
public string MCDataSourceID
{
get;
set;
}
public MCDataSource MCDataSource
{
get;
set;
}
[Description("是否为数据库控件"), Category("数据")]
public bool IsDbControl
{
get;
set;
}
[Description("初始化SQL"), Category("数据")]
public string InitDataSource
{
get;
set;
}
[Description("执行SQL"), Category("数据")]
public string ActionDataSource
{
get;
set;
}
[Description("绑定数据源"), Category("数据")]
public object BindDataSource
{
get;
set;
}
[Description("操作类型"), Category("数据")]
public DbOptionTypes DbOptionType
{
get;
set;
}
[Description("是否可见"), Category("行为")]
public bool MCVisible
{
get
{
return this._mcVisible;
}
set
{
this._mcVisible = value == null ? true : value;
if (this.Site.DesignMode)
{
this.Visible = true;
}
else
{
this.Visible = this._mcVisible;
}
}
}
[Description("是否可用"), Category("行为")]
public bool MCEnabled
{
get
{
return this._mcEnabled;
}
set
{
this._mcEnabled = value == null ? true : value;
if (this.Site.DesignMode)
{
this.Enabled = true;
}
else
{
this.Enabled = this._mcEnabled;
}
}
}
public bool IsValid
{
get { return _isValid; }
set { _isValid = value; }
}
public bool IsEventValid
{
get { return this._isEventValid; }
set { this._isEventValid = value; }
}
#endregion
}
}