public void DrawList()
{
Clear();
// ResizeToParent ();
GameObject itemPrefab = adapter.GetPrefab();
int itemCount = adapter.GetCount();
if (itemCount > 0)
{
int columnCount = 1;
RectTransform rowRectTransform = itemPrefab.GetComponent <RectTransform>();
RectTransform containerRectTransform = gameObject.GetComponent <RectTransform>();
//calculate the width and height of each child item.
float width = containerRectTransform.rect.width / columnCount;
float ratio = width / rowRectTransform.rect.width;
float height = rowRectTransform.rect.height * ratio;
int rowCount = itemCount / columnCount;
if (itemCount % rowCount > 0)
{
rowCount++;
}
//adjust the height of the container so that it will just barely fit all its children
float scrollHeight = height * rowCount;
containerRectTransform.offsetMin = new Vector2(containerRectTransform.offsetMin.x, -scrollHeight / 2);
containerRectTransform.offsetMax = new Vector2(containerRectTransform.offsetMax.x, scrollHeight / 2);
int j = 0;
for (int i = 0; i < itemCount; i++)
{
//this is used instead of a double for loop because itemCount may not fit perfectly into the rows/columns
if (i % columnCount == 0)
{
j++;
}
GameObject newItem = adapter.GetView(i);
newItem.transform.SetParent(gameObject.transform);
//move and size the new item
RectTransform rectTransform = newItem.GetComponent <RectTransform>();
float x = -containerRectTransform.rect.width / 2 + width * (i % columnCount);
float y = containerRectTransform.rect.height / 2 - height * j;
rectTransform.offsetMin = new Vector2(x, y);
x = rectTransform.offsetMin.x + width;
y = rectTransform.offsetMin.y + height;
rectTransform.offsetMax = new Vector2(x, y);
}
}
}
public void SetAdapter(IBaseAdapter adapter, int columnCount)
{
this.adapter = adapter;
this.itemCount = adapter.GetCount();
this.columnCount = columnCount;
Draw();
}
public void SetAdapter(IBaseAdapter adapter, int columnCount)
{
this.adapter = adapter;
this.itemCount = adapter.GetCount ();
this.columnCount = columnCount;
Draw ();
}
public void SetAdapter(IBaseAdapter adapter, int columnCount)
{
if (this == null)
{
return;
}
this.adapter = adapter;
this.itemCount = adapter.GetCount();
this.columnCount = columnCount;
Draw();
}