static public PickerScrollRect AddColumn(GameObject columnList, bool zoom, bool horizontal)
{
GameObject column = new GameObject("Column");
GameObjectUtility.SetParentAndAlign(column, columnList);
PickerScrollRect scrollRect = column.AddComponent <PickerScrollRect>();
GameObject content = new GameObject("Content");
GameObjectUtility.SetParentAndAlign(content, column);
PickerLayoutGroup layoutGroup = (!zoom ? content.AddComponent <PickerLayoutGroup>() : content.AddComponent <ZoomPickerLayoutGroup>());
scrollRect.content = (RectTransform)layoutGroup.transform;
scrollRect.layout = (horizontal ? RectTransform.Axis.Horizontal : RectTransform.Axis.Vertical);
layoutGroup.scrollRect = scrollRect;
layoutGroup.spacing = 3f;
Image scrollImage = column.AddComponent <Image>();
scrollImage.sprite = (Sprite)AssetDatabase.LoadAssetAtPath(!horizontal ? CanvasSpritePath : CanvasRotateSpritePath, typeof(Sprite));
scrollImage.type = Image.Type.Sliced;
Mask scrollMask = column.AddComponent <Mask>();
scrollMask.showMaskGraphic = true;
return(scrollRect);
}
protected virtual void RebuildLayout()
{
PickerLayoutGroup layout = GetComponentInParent <PickerLayoutGroup>();
if (layout != null)
{
layout.RebuildLayout();
}
}
protected static void CopyField(PickerLayoutGroup src, PickerLayoutGroup dst)
{
if (src == null || dst == null)
{
return;
}
dst.scrollRect = src.scrollRect;
dst.spacing = src.spacing;
dst.childPivot = src.childPivot;
dst.padding = src.padding;
dst.childAlignment = src.childAlignment;
}
protected override void OnBeforeTransformParentChanged()
{
base.OnBeforeTransformParentChanged();
if (transform.parent != null)
{
PickerLayoutGroup parentLayoutGroup = transform.parent.GetComponent <PickerLayoutGroup>();
if (parentLayoutGroup != null)
{
parentLayoutGroup.UnregisterItem(this);
}
}
}
protected void ScrollToSelf()
{
PickerLayoutGroup layout = GetComponentInParent <PickerLayoutGroup>();
if (layout == null)
{
return;
}
PickerScrollRect psr = layout.scrollRect;
if (psr == null)
{
return;
}
psr.ScrollTo(this);
}
public void SetColumns(int num)
{
PickerScrollRect[] columns = this.columns;
if (columns == null || itemList == null || num < 1 || columns.Length == num && itemList.Count == num || columnList == null)
{
return;
}
if (itemList.Count < num)
{
for (int i = itemList.Count; i < num; ++i)
{
itemList.Add(new ItemListType());
}
}
else if (itemList.Count > num)
{
itemList.RemoveRange(num, itemList.Count - num);
}
if (columns.Length < num)
{
bool zoom = columnList.GetComponentInChildren <ZoomPickerLayoutGroup>() != null;
PickerScrollRect exampleScrollRect = columnList.GetComponentInChildren <PickerScrollRect>();
PickerLayoutGroup exampleLayoutGroup = null;
PickerLayoutGroup exampleZoomLayoutGroup = null;
if (!zoom)
{
exampleLayoutGroup = columnList.GetComponentInChildren <PickerLayoutGroup>();
}
else
{
exampleZoomLayoutGroup = columnList.GetComponentInChildren <ZoomPickerLayoutGroup>();
}
Image exampleImage = columnList.GetComponentInChildren <Image>();
for (int i = columns.Length; i < num; ++i)
{
GameObject column = new GameObject("Column");
#if UNITY_EDITOR
Undo.RegisterCreatedObjectUndo(column, "Column");
#endif
PickerScrollRect scrollRect = column.AddComponent <PickerScrollRect>();
Image image = column.AddComponent <Image>();
column.AddComponent <Mask>().showMaskGraphic = true;
column.transform.SetParent(columnList.transform);
column.transform.localScale = Vector3.one;
GameObject content = new GameObject("Content");
content.transform.SetParent(column.transform);
#if UNITY_EDITOR
Undo.RegisterCreatedObjectUndo(column, "content");
#endif
if (!zoom)
{
PickerLayoutGroup layoutGroup = content.AddComponent <PickerLayoutGroup>();
CopyField(exampleLayoutGroup, layoutGroup);
layoutGroup.scrollRect = scrollRect;
}
else
{
ZoomPickerLayoutGroup layoutGroup = content.AddComponent <ZoomPickerLayoutGroup>();
CopyField(exampleZoomLayoutGroup, layoutGroup);
layoutGroup.scrollRect = scrollRect;
}
CopyField(exampleScrollRect, scrollRect);
scrollRect.content = (RectTransform)content.transform;
Util.CopyField(exampleImage, image);
itemList[i] = new ItemListType();
}
}
else if (columns.Length > num)
{
for (int i = columns.Length - 1, j = num; i >= j; --i)
{
GameObject column = columnList.GetChild(i).gameObject;
GameObject.DestroyImmediate(column);
}
}
}