EleBaseSizer.cs

// <copyright file="EleBaseSizer.cs" company="Pixel Precision LLC">
// Copyright (c) 2020 All Rights Reserved
// </copyright>
// <author>William Leu</author>
// <date>09/25/2020</date>
// <summary></summary>

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace PxPre.UIL
{
    public abstract class EleBaseSizer : Ele
    {
        bool active = true;

        public override bool Active { get { return this.active; } }

        public static void DoRectProcessing(ref Vector2 pos, ref Vector2 size, Vector2 entireRegion, LFlag finFlag)
        {
            if ((finFlag & LFlag.GrowHoriz) != 0)
                size.x = entireRegion.x;
            else if ((finFlag & LFlag.AlignHorizCenter) != 0)
                pos.x += (entireRegion.x - size.x) * 0.5f;
            else if ((finFlag & LFlag.AlignRight) != 0)
                pos.x += entireRegion.x - size.x;

            if ((finFlag & LFlag.GrowVert) != 0)
                size.y = entireRegion.y;
            else if ((finFlag & LFlag.AlignVertCenter) != 0)
                pos.y += (entireRegion.y - size.y) * 0.5f;
            else if ((finFlag & LFlag.AlignBot) != 0)
                pos.y += entireRegion.y - size.y;
        }

        public EleBaseSizer(){ }

        public EleBaseSizer(EleBaseRect rect, string name = "")
            : base(name)
        { 
            rect.SetSizer(this);
        }

        public EleBaseSizer(string name = "")
            : base(name)
        { }

        public EleBaseSizer(EleBaseSizer parent, float proportion, LFlag flags, string name = "")
            : base(name)
        { 
            parent.Add(this, proportion, flags);
        }

        public abstract void Add(Ele child, float proportion, LFlag flags);

        public abstract bool Remove(Ele child);

        public abstract bool HasEntry(Ele child);

        public void AddHorizontalSpace(float width, float proportion = 0.0f, LFlag flags = 0)
        {
            this.AddSpace(new Vector2(width, 0.0f), proportion, flags);
        }

        public void AddVerticalSpace(float height, float proportion = 0.0f, LFlag flags = 0)
        {
            this.AddSpace(new Vector2(0.0f, height), proportion, flags);
        }

        public void AddSpace(Vector2 space, float proportion = 0.0f, LFlag flags = 0)
        {
            this.Add(new EleSpace(space), proportion, flags);
        }

        public void AddSpace(float space, float proportion = 0.0f, LFlag flags = 0)
        {
            this.Add(new EleSpace(space), proportion, flags);
        }
    }
}