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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using UnityEditor;
namespace UIExt
{
[AddComponentMenu("UI Extensions/LayoutGroup/GridLayoutGroupExt")]
[DisallowMultipleComponent]
[CanEditMultipleObjects]
public class GridLayoutGroupExt
: UIBehaviour
, ILayoutElement
, ILayoutGroup
{
public enum ScrollMode
{
Vertical = 1,
Horizontal = 2,
Auto = 3 // both horizontal and vertical
}
public enum MovementType
{
Unrestricted, // Unrestricted movement -- can scroll forever
Elastic, // Restricted but flexible -- can go past the edges, but springs back in place
Clamped, // Restricted movement where it's not possible to go past the edges
}
[System.NonSerialized] private RectTransform m_Rect;
protected RectTransform rectTransform
{
get
{
if (m_Rect == null)
m_Rect = GetComponent<RectTransform>();
return m_Rect;
}
}
[SerializeField] private ScrollRect m_Scrollrect;
public ScrollRect scrollRect { get { return m_Scrollrect; } set { m_Scrollrect = value; } }
[SerializeField] private RectTransform m_Content;
public RectTransform content { get { return m_Content; } set { m_Content = value; } }
[SerializeField] private LayoutItem m_ItemTemplate;
public LayoutItem itemTemplate { get { return m_ItemTemplate; } set { m_ItemTemplate = value; } }
[SerializeField] private int m_RowCount;
public int rowCount { get { return m_RowCount; } set { m_RowCount = value; } }
[SerializeField] private int m_ColumCount;
public int columCount { get { return m_ColumCount; } set { m_ColumCount = value; } }
[SerializeField] protected RectOffset m_Padding = new RectOffset();
public RectOffset padding { get { return m_Padding; } set { SetProperty(ref m_Padding, value); } }
[SerializeField] private Vector2Int m_CellSize;
public Vector2Int cellSize { get { return m_CellSize; } set { m_CellSize = value; } }
[SerializeField] private Vector2Int m_Spacing;
public Vector2Int spacing { get { return m_Spacing; } set { m_Spacing = value; } }
[SerializeField] private ScrollMode m_ScrollMode = ScrollMode.Vertical;
[SerializeField] private MovementType m_MovementType = MovementType.Elastic;
private List<object> m_DataList;
public List<object> dataList { get { return m_DataList; } }
public float minWidth
{
get
{
throw new System.NotImplementedException();
}
}
public float preferredWidth { get { return 0; } }
public float flexibleWidth { get { return 0; } }
public float minHeight { get { return 0; } }
public float preferredHeight { get { return 0; } }
public float flexibleHeight { get { return 0; } }
public int layoutPriority { get { return 0; } }
public void SetList(List<object> datalist)
{
m_DataList = datalist;
}
public void MoveTo(int indexOfData)
{
}
public void MoveTo(object data)
{
}
public void CalculateLayoutInputHorizontal()
{
}
public void CalculateLayoutInputVertical()
{
}
public void SetLayoutHorizontal()
{
}
public void SetLayoutVertical()
{
}
protected void SetProperty<T>(ref T currentValue, T newValue)
{
if ((currentValue == null && newValue == null) || (currentValue != null && currentValue.Equals(newValue)))
return;
currentValue = newValue;
SetDirty();
}
protected void SetDirty()
{
if (!IsActive())
return;
if (!CanvasUpdateRegistry.IsRebuildingLayout())
LayoutRebuilder.MarkLayoutForRebuild(rectTransform);
else
StartCoroutine(DelayedSetDirty(rectTransform));
}
IEnumerator DelayedSetDirty(RectTransform rectTransform)
{
yield return null;
LayoutRebuilder.MarkLayoutForRebuild(rectTransform);
}
}
}
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