// public int itemCount = 10, columnCount = 1;
// void Start()
// {
// Dictionary<string, string> dict = new Dictionary<string, string> ();
// dict.Add ("1", "assdsdasd");
// dict.Add ("2", "bytyter");
// dict.Add ("3", "trwegvbtrw");
// dict.Add ("4", "45123412");
// dict.Add ("5", "tgtv52345");
// dict.Add ("6", "4321fff43214");
// dict.Add ("7", "123412f43");
// SetData (null, dict);
// }
public void SetData(Action <string> onItemClickAction, Dictionary <string, string> objects)
{
int itemCount = objects.Count;
int columnCount = 1;
items = new List <GameObject> (columnCount);
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++;
}
//create a new item, name it, and set the parent
GameObject newItem = Instantiate(itemPrefab) as GameObject;
newItem.name = gameObject.name + " item at (" + i + "," + j + ")";
newItem.transform.SetParent(gameObject.transform);
Resizer.SetDefScale(newItem);
Text textField = newItem.GetComponentsInChildren <Text> (true)[0];
KeyValuePair <string, string> o = objects.ElementAt(i); //.Keys.ElementAt2(i);
textField.text = o.Value;
if (onItemClickAction != null)
{
newItem.GetComponents <Button>()[0].onClick.AddListener(() => { onItemClickAction(o.Key); });
}
items.Add(newItem);
//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);
}
}