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path: root/Assets/Packages/RTS_Camera/Scripts/Editor/LayoutHelpers.cs
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using UnityEngine;
using System;
using System.Collections.Generic;
using UnityEditor;
using System.Linq;


public class VerticalBlock : IDisposable
{
    public VerticalBlock(params GUILayoutOption[] options)
    {
        GUILayout.BeginVertical(options);
    }

    public VerticalBlock(GUIStyle style, params GUILayoutOption[] options)
    {
        GUILayout.BeginVertical(style, options);
    }

    public void Dispose()
    {
        GUILayout.EndVertical();
    }
}

public class ScrollviewBlock : IDisposable
{
    public ScrollviewBlock(ref Vector2 scrollPos, params GUILayoutOption[] options)
    {
        scrollPos = GUILayout.BeginScrollView(scrollPos, options);
    }

    public void Dispose()
    {
        GUILayout.EndScrollView();
    }
}

public class HorizontalBlock : IDisposable
{
    public HorizontalBlock(params GUILayoutOption[] options)
    {
        GUILayout.BeginHorizontal(options);
    }

    public HorizontalBlock(GUIStyle style, params GUILayoutOption[] options)
    {
        GUILayout.BeginHorizontal(style, options);
    }

    public void Dispose()
    {
        GUILayout.EndHorizontal();
    }
}

public class ColoredBlock : System.IDisposable
{
    public ColoredBlock(Color color)
    {
        GUI.color = color;
    }

    public void Dispose()
    {
        GUI.color = Color.white;
    }
}

[Serializable]
public class TabsBlock
{
    private  Dictionary<string, Action> methods;
    private Action currentGuiMethod;
    public int curMethodIndex = -1;

    public TabsBlock(Dictionary<string, Action> _methods)
    {
        methods = _methods;
        SetCurrentMethod(0);
    }

    public void Draw()
    {
        var keys = methods.Keys.ToArray();
        using (new VerticalBlock(EditorStyles.helpBox))
        {
            using (new HorizontalBlock())
            {
                for (int i = 0; i < keys.Length; i++)
                {
                    var btnStyle = i == 0 ? EditorStyles.miniButtonLeft : i == (keys.Length - 1) ? EditorStyles.miniButtonRight : EditorStyles.miniButtonMid;
                    using (new ColoredBlock(currentGuiMethod == methods[keys[i]] ? Color.grey : Color.white))
                        if (GUILayout.Button(keys[i], btnStyle))
                            SetCurrentMethod(i);
                }
            }
            GUILayout.Label(keys[curMethodIndex], EditorStyles.centeredGreyMiniLabel);
            currentGuiMethod();
        }
    }

    public void SetCurrentMethod(int index)
    {
        curMethodIndex = index;
        currentGuiMethod = methods[methods.Keys.ToArray()[index]];
    }
}