创建 UIPopulator NetLogic

using System;
using FTOptix.Core;
using UAManagedCore;
using OpcUa = UAManagedCore.OpcUa;
using System.Linq;
using CoreBase = FTOptix.CoreBase;
using FTOptix.UI;
using FTOptix.HMIProject;
using FTOptix.CoreBase;

public class UIPopulator : FTOptix.NetLogic.BaseNetLogic
{
    public override void Start()
    {
        // Insert code to be executed when the user-defined logic is started
        var owner = (ColumnLayout) LogicObject.Owner;

        modelObjectVariable = LogicObject.Get<IUAVariable>("ModelObject");
        modelObjectVariable.VariableChange += ModelObjectVariable_VariableChange;

        BuildUI(modelObjectVariable.Value);
    }

    private void ModelObjectVariable_VariableChange(object sender, VariableChangeEventArgs e)
    {
        BuildUI(e.NewValue);
    }

    public override void Stop()
    {
        // Insert code to be executed when the user-defined logic is stopped
        modelObjectVariable.VariableChange -= ModelObjectVariable_VariableChange;
    }

    private void BuildUI(NodeId modelObjectNodeId)
    {
        var owner = (ColumnLayout)LogicObject.Owner;

        var modelObject = LogicObject.Context.GetObject(modelObjectNodeId);

        foreach (var child in Owner.Children.OfType<Item>())
        {
            child.Delete();
        }

        foreach (var variable in modelObject.Children.OfType<IUAVariable>())
        {
            Item uiObject = null;

            if (variable.DataType == OpcUa.DataTypes.Boolean)
            {
                uiObject = MakeSwitch(variable);
            }
            else if (variable.DataType == OpcUa.DataTypes.String)
            {
                uiObject = MakeTextBox(variable);
            }
            else if (variable.DataType == OpcUa.DataTypes.Int32)
            {
                uiObject = MakeLinearGauge(variable);
            }
            else if (variable.DataType == OpcUa.DataTypes.Float)
            {
                uiObject = MakeCircularGauge(variable);
            }
            else if (variable.DataType == FTOptix.Core.DataTypes.ResourceUri)
            {
                uiObject = MakeImage(variable);
            }

            if (uiObject != null)
                owner.Children.Add(uiObject);
        }
    }

    private Panel MakeBaseContainer(IUAVariable variable)
    {
        var container = InformationModel.MakeObject<Panel>("ControlContainer");
        container.Height = 50;
        container.HorizontalAlignment = HorizontalAlignment.Stretch;

        var label = InformationModel.MakeObject<Label>("Label");
        label.VerticalAlignment = VerticalAlignment.Center;
        label.LeftMargin = 20;
        label.Text = variable.BrowseName;
        container.Children.Add(label);
        return container;
    }

    private Item MakeSwitch(IUAVariable variable)
    {
        var container = MakeBaseContainer(variable);
        var mySwitch = InformationModel.MakeObject<Switch>("Switch");
        mySwitch.HorizontalAlignment = HorizontalAlignment.Right;
        mySwitch.VerticalAlignment = VerticalAlignment.Center;
        mySwitch.RightMargin = 40;

        MakeDataBind(mySwitch.Children.Get<IUAVariable>("Checked"), variable);

        container.Children.Add(mySwitch);
        return container;
    }

    private Item MakeTextBox(IUAVariable variable)
    {
        var container = MakeBaseContainer(variable);
        var textBox = InformationModel.MakeObject<TextBox>("TextBox");
        textBox.HorizontalAlignment = HorizontalAlignment.Right;
        textBox.VerticalAlignment = VerticalAlignment.Center;
        textBox.RightMargin = 40;

        MakeDataBind(textBox.Children.Get<IUAVariable>("Text"), variable);

        container.Children.Add(textBox);
        return container;
    }

    private Item MakeCircularGauge(IUAVariable variable)
    {
        var container = MakeBaseContainer(variable);
        container.Height = 180;
        var circularGauge = InformationModel.MakeObject<CircularGauge>("CircularGauge");
        circularGauge.Width = 140;
        circularGauge.HorizontalAlignment = HorizontalAlignment.Right;
        circularGauge.VerticalAlignment = VerticalAlignment.Stretch;
        circularGauge.RightMargin = 40;
        circularGauge.TopMargin = 20;

        MakeDataBind(circularGauge.Children.Get<IUAVariable>("Value"), variable);

        container.Children.Add(circularGauge);
        return container;
    }

    private Item MakeLinearGauge(IUAVariable variable)
    {
        var container = MakeBaseContainer(variable);
        container.Height = 150;
        var linearGauge = InformationModel.MakeObject<LinearGauge>("LinearGauge");
        linearGauge.Width = 140;
        linearGauge.Height = 35;
        linearGauge.HorizontalAlignment = HorizontalAlignment.Right;
        linearGauge.VerticalAlignment = VerticalAlignment.Center;
        linearGauge.RightMargin = 40;
        linearGauge.TopMargin = 20;

        MakeDataBind(linearGauge.Children.Get<IUAVariable>("Value"), variable);

        container.Children.Add(linearGauge);
        return container;
    }

    private Item MakeImage(IUAVariable variable)
    {
        var image = InformationModel.MakeObject<Image>("Image");

        image.HorizontalAlignment = HorizontalAlignment.Center;
        image.Width = 100;
        image.Height = 100;
        image.TopMargin = 20;
        image.BottomMargin = 20;
        image.Path = new FTOptix.Core.ResourceUri(variable.Value);

        return image;
    }

    private void MakeDataBind(IUAVariable parent, IUAVariable variable)
    {
        /* 
        var dataBind = InformationModel.MakeVariable<DataBind>("DataBind", FTOptix.Core.DataTypes.NodePath);
        dataBind.Value = DataBindPath.MakeAbsolutePath(variable);
        dataBind.Mode = DynamicLinkMode.ReadWrite;
        parent.SetDynamicLink(dataBind);
        */
        parent.SetDynamicLink(variable, FTOptix.CoreBase.DynamicLinkMode.ReadWrite);
    }

    private IUAVariable modelObjectVariable;
}