50 lines
2.3 KiB
C#
Executable File
50 lines
2.3 KiB
C#
Executable File
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Drawing;
|
|
|
|
namespace ST.Library.UI
|
|
{
|
|
public class NodeNumberAdd : STNode
|
|
{
|
|
private STNodeOption m_in_num1;
|
|
private STNodeOption m_in_num2;
|
|
private STNodeOption m_out_num;
|
|
private int m_nNum1, m_nNum2;
|
|
|
|
protected override void OnCreate() {
|
|
base.OnCreate();
|
|
this.Title = "NumberAdd";
|
|
m_in_num1 = new STNodeOption("num1", typeof(int), true);//只能有一个连线
|
|
m_in_num2 = new STNodeOption("num2", typeof(int), true);//只能有一个连线
|
|
m_out_num = new STNodeOption("result", typeof(int), false);//可以多个连线
|
|
this.InputOptions.Add(m_in_num1);
|
|
this.InputOptions.Add(m_in_num2);
|
|
this.OutputOptions.Add(m_out_num);
|
|
m_in_num1.DataTransfer += new STNodeOptionEventHandler(m_in_num_DataTransfer);
|
|
m_in_num2.DataTransfer += new STNodeOptionEventHandler(m_in_num_DataTransfer);
|
|
}
|
|
//当有数据传入时
|
|
void m_in_num_DataTransfer(object sender, STNodeOptionEventArgs e) {
|
|
//判断连线是否是连接状态(建立连线 断开连线 都会触发该事件)
|
|
if (e.Status == ConnectionStatus.Connected && e.TargetOption.Data != null) {
|
|
if (sender == m_in_num1)
|
|
m_nNum1 = (int)e.TargetOption.Data;//TargetOption为触发此事件的Option
|
|
else
|
|
m_nNum2 = (int)e.TargetOption.Data;
|
|
} else {
|
|
if (sender == m_in_num1) m_nNum1 = 0; else m_nNum2 = 0;
|
|
}
|
|
//向输出选项上的所有连线传输数据 输出选项上的所有连线都会触发 DataTransfer 事件
|
|
m_out_num.TransferData(m_nNum1 + m_nNum2); //m_out_num.Data 将被自动设置
|
|
}
|
|
|
|
protected override void OnOwnerChanged() {
|
|
base.OnOwnerChanged();//通常刚被添加到节点编辑器时触发 如是以插件方式提供的节点 应当向编辑器提交数据类型颜色
|
|
if (this.Owner == null) return; //或者通过m_in_num1.DotColor = Color.Red;进行设置
|
|
this.Owner.SetTypeColor(typeof(int), Color.Red);
|
|
}
|
|
}
|
|
}
|