Singularity/Library/PackageCache/com.unity.render-pipelines..../Editor/MenuManager.cs

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2024-05-06 14:45:45 -04:00
using System;
using System.Linq.Expressions;
using System.Reflection;
namespace UnityEditor.Rendering
{
/// <summary>
/// Contains a set of method to be able to manage Menu Items for the editor
/// </summary>
static class MenuManager
{
#region Add Menu Item
static Action<string, string, bool, int, Action, Func<bool>> s_AddMenuItem = GetAddMenuItemMethod();
static Action<string, string, bool, int, Action, Func<bool>> GetAddMenuItemMethod()
{
MethodInfo addMenuItemMethodInfo = typeof(Menu).GetMethod("AddMenuItem", BindingFlags.Static | BindingFlags.NonPublic);
var nameParam = Expression.Parameter(typeof(string), "name");
var shortcutParam = Expression.Parameter(typeof(string), "shortcut");
var checkedParam = Expression.Parameter(typeof(bool), "checked");
var priorityParam = Expression.Parameter(typeof(int), "priority");
var executeParam = Expression.Parameter(typeof(Action), "execute");
var validateParam = Expression.Parameter(typeof(Func<bool>), "validate");
var addMenuItemExpressionCall = Expression.Call(null, addMenuItemMethodInfo,
nameParam,
shortcutParam,
checkedParam,
priorityParam,
executeParam,
validateParam);
return Expression.Lambda<Action<string, string, bool, int, Action, Func<bool>>>(
addMenuItemExpressionCall,
nameParam,
shortcutParam,
checkedParam,
priorityParam,
executeParam,
validateParam).Compile();
}
/// <summary>
/// Adds a menu Item to the editor
/// </summary>
/// <param name="path">The path to the menu item</param>
/// <param name="shortcut">The shortcut of the menu item</param>
/// <param name="checked">If the item can have an state, pressed or not</param>
/// <param name="priority">The priority of the menu item</param>
/// <param name="execute">The action that will be called once the menu item is pressed</param>
/// <param name="validate">The action that will be called to know if the menu itme is enabled</param>
public static void AddMenuItem(string path, string shortcut, bool @checked, int priority, System.Action execute, System.Func<bool> validate)
{
s_AddMenuItem(path, shortcut, @checked, priority, execute, validate);
}
#endregion
#region Remove Menu Item
static Action<string> s_RemoveMenuItem = GetRemoveMenuItemMethod();
static Action<string> GetRemoveMenuItemMethod()
{
MethodInfo removeMenuItemMethodInfo = typeof(Menu).GetMethod("RemoveMenuItem", BindingFlags.Static | BindingFlags.NonPublic);
var nameParam = Expression.Parameter(typeof(string), "name");
return Expression.Lambda<Action<string>>(
Expression.Call(null, removeMenuItemMethodInfo, nameParam),
nameParam).Compile();
}
#endregion
/// <summary>
/// Removes a Menu item from the editor, if the path is not found it does nothing
/// </summary>
/// <param name="path">The path of the menu item to be removed</param>
public static void RemoveMenuItem(string path)
{
s_RemoveMenuItem(path);
}
}
}