本文旨在说明，DatistEQ原生节点及编辑器的定义方法。
定义节点
using System;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Text.RegularExpressions;
using BcDataMining.Node.Define;
using BcDataMining.Node.PluginNode;
namespace BcDataMining.Node
{
//自定义分组栏中的位置
[NodeGroup("时间序列", "GEOIST")]
public class NodeGeoTest:NodeBase
{
public NodeGeoTest()
{
Name = "NodeGeoTest";
Nodetype = NodeType.OptField;
SystemToolTip = "测试";
//云节点标记
IsCloud = true;
}
public Employee Emp { get; set; }=new Employee();
}
public enum Gender
{
[Display(Name = "男")]
Man,
[Display(Name = "女")]
Woman
}
/// <summary>
/// Serializable特性，用于Clone
/// </summary>
[Serializable]
public class Employee:IDataErrorInfo
{
/// <summary>
/// 特性Display需要引用System.ComponentModel.DataAnnotations
/// </summary>
[Display(Name = "姓名",GroupName = "个人信息")]
public string Name { get; set; }
[Display(Name = "性别", GroupName = "个人信息")]
public Gender Gender { get; set; }
[Display(Name = "工资", GroupName = "工作信息")]
public int Salary { get; set; }
[Display(Name = "电话", GroupName = "工作信息", Description = "以P字母结尾")]
public string PhoneNum { get; set; }
[Display(Name = "时间", GroupName = "工作信息")]
public DateTime StartingDate { get; set; }
[ReadOnly(true)]
[Display(Name = "创建日志", GroupName = "日志")]
public DateTime CreateTime { get; set; }=DateTime.Now;
#region 用于验证 IDataErrorInfo
public string this[string columnName]
{
get
{
if (columnName == nameof(Salary))
{
return this.Salary < 100 && this.Salary > 0 ? string.Empty : "Value should be in the range of (0, 100)";
}
if (columnName == nameof(PhoneNum))
{
return this.PhoneNum != null && Regex.IsMatch(this.PhoneNum, @"^[0-9]+[\p{L}]") ? string.Empty : @"Value should math the regex: ^[0-9]+[\p{L}]";
}
if (columnName == nameof(StartingDate))
{
return this.StartingDate.Year > 1900 ? string.Empty : "Date should be after 1/1/1900";
}
return string.Empty;
}
}
[Browsable(false)]
public string Error { get; }
#endregion
}
}
定义节点编辑器
using System.Collections.Generic;
using System.ComponentModel;
using System.Windows.Data;
using BcDataMining.DataExtension;
using BcDataMining.EditorEx;
using BcDataMining.Node;
using BcDataMining.Node.Define;
using Telerik.Windows.Controls.Data.PropertyGrid;
using TelerikHelper;
namespace BcDataMining.NodeEditor
{
/// <summary>
/// 命名规则为：节点名+Editor，需遵循INodeEditor接口
/// </summary>
public partial class NodeGeoTestEditor : INodeEditor, INotifyPropertyChanged,
INodeEditorDefaultSize//接口INodeEditorDefaultSize，用于设置节点编辑器的初始尺寸
{
public NodeGeoTestEditor()
{
InitializeComponent();
}
private NodeGeoTest _eNode;
public NodeGeoTest ENode
{
get { return _eNode; }
set
{
_eNode = value;
PropertyChanged.Raise(() => ENode);
}
}
public string Title { get; set; }
public bool LoadParameters(INode aNode)
{
if (!(aNode is NodeGeoTest)) return false;
ENode = aNode as NodeGeoTest;
PropertyGrid1.Item = ENode.Emp.Clone();//克隆一个值，而不是在原来值上修改。
return true;
}
public bool SaveParameters()
{
ENode.Emp=PropertyGrid1.Item as Employee;
return true;
}
public void AppendEditor(List<INodeEditor> nodeEditors)
{
tabControl1.AppendEditors(nodeEditors);
}
public event PropertyChangedEventHandler PropertyChanged;
/// <summary>
/// 添加验证事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void PropertyGrid1_OnAutoGeneratingPropertyDefinition(object sender, AutoGeneratingPropertyDefinitionEventArgs e)
{
(e.PropertyDefinition.Binding as Binding).ValidatesOnDataErrors = true;
(e.PropertyDefinition.Binding as Binding).NotifyOnValidationError = true;
}
}
}
对应的xaml文件。
<UserControl x:Class="BcDataMining.NodeEditor.NodeGeoTestEditor"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:local="clr-namespace:BcDataMining.NodeEditor"
xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"
mc:Ignorable="d"
d:DesignHeight="450" d:DesignWidth="800"
Width="810" Height="570"> <!--Width,Height,用于设置节点编辑器的初始尺寸,类需遵循INodeEditorDefaultSize-->
<Grid>
<telerik:RadTabControl HorizontalAlignment="Stretch" x:Name="tabControl1" Margin="0" TabStripPlacement="Top"
VerticalAlignment="Stretch" Grid.RowSpan="3">
<telerik:RadTabItem Header="设置" IsSelected="True">
<Grid Margin="0">
<telerik:RadPropertyGrid Grid.Row="0" x:Name="PropertyGrid1" IsGrouped="True"
AutoGeneratingPropertyDefinition="PropertyGrid1_OnAutoGeneratingPropertyDefinition" />
<!--<telerik:RadPropertyGrid Grid.Row="0" x:Name="PropertyGrid1"
RenderMode="Flat"
AutoGeneratePropertyDefinitions="False"
IsGrouped="True">
<telerik:RadPropertyGrid.PropertyDefinitions>
<telerik:PropertyDefinition Binding="{Binding FirstName}" GroupName="Group Name" DisplayName="First Name" Description="姓氏"/>
<telerik:PropertyDefinition Binding="{Binding LastName}" GroupName="Group Name" DisplayName="Last Name" Description="名字"/>
<telerik:PropertyDefinition Binding="{Binding Occupation}" GroupName="Group Title" DisplayName="Title"/>
<telerik:PropertyDefinition Binding="{Binding Gender}" GroupName="Group Gender" DisplayName="性别"/>
</telerik:RadPropertyGrid.PropertyDefinitions>
</telerik:RadPropertyGrid>-->
</Grid>
</telerik:RadTabItem>
</telerik:RadTabControl>
</Grid>
</UserControl>
节点的图标定义。图标大小建议小于100*100像素。
<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:sys="clr-namespace:System;assembly=mscorlib">
<!--命名规则，Stl+节点名称。图片的生成操作需指定为 Resource-->
<ImageBrush x:Key="StlNodeGeoTest" ImageSource="/ExGeoistEditor;component/Images/NodeGeoTest.png"
Stretch="Fill" TileMode="None"
Viewport="10,10,30,30" ViewportUnits="Absolute" />
</ResourceDictionary>
节点效果：
节点效果
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