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94 行
2.8 KiB

using System;
using System.Reflection;
using UnityEditor.Graphing;
using UnityEngine;
using UnityEngine.Experimental.UIElements;
namespace UnityEditor.ShaderGraph.Drawing.Controls
{
[Serializable]
public struct Toggle
{
public bool isOn;
public bool isEnabled;
public Toggle(bool on, bool enabled)
{
isOn = on;
isEnabled = enabled;
}
public Toggle(bool on)
{
isOn = on;
isEnabled = true;
}
}
[AttributeUsage(AttributeTargets.Property)]
public class ToggleControlAttribute : Attribute, IControlAttribute
{
string m_Label;
public ToggleControlAttribute(string label = null)
{
m_Label = label;
}
public VisualElement InstantiateControl(AbstractMaterialNode node, PropertyInfo propertyInfo)
{
return new ToggleControlView(m_Label, node, propertyInfo);
}
}
public class ToggleControlView : VisualElement, INodeModificationListener
{
AbstractMaterialNode m_Node;
PropertyInfo m_PropertyInfo;
UnityEngine.Experimental.UIElements.Toggle m_Toggle;
public ToggleControlView(string label, AbstractMaterialNode node, PropertyInfo propertyInfo)
{
m_Node = node;
m_PropertyInfo = propertyInfo;
AddStyleSheetPath("Styles/Controls/ToggleControlView");
if (propertyInfo.PropertyType != typeof(Toggle))
throw new ArgumentException("Property must be a Toggle.", "propertyInfo");
label = label ?? ObjectNames.NicifyVariableName(propertyInfo.Name);
var value = (Toggle)m_PropertyInfo.GetValue(m_Node, null);
var panel = new VisualElement { name = "togglePanel" };
if (!string.IsNullOrEmpty(label))
panel.Add(new Label(label));
Action changedToggle = () => { OnChangeToggle(); };
m_Toggle = new UnityEngine.Experimental.UIElements.Toggle(changedToggle);
m_Toggle.SetEnabled(value.isEnabled);
m_Toggle.on = value.isOn;
panel.Add(m_Toggle);
Add(panel);
}
public void OnNodeModified(ModificationScope scope)
{
var value = (Toggle)m_PropertyInfo.GetValue(m_Node, null);
m_Toggle.SetEnabled(value.isEnabled);
if (scope == ModificationScope.Graph)
{
Dirty(ChangeType.Repaint);
}
}
void OnChangeToggle()
{
m_Node.owner.owner.RegisterCompleteObjectUndo("Toggle Change");
var value = (Toggle)m_PropertyInfo.GetValue(m_Node, null);
value.isOn = !value.isOn;
m_PropertyInfo.SetValue(m_Node, value, null);
Dirty(ChangeType.Repaint);
}
}
}