// override to create repeated items
protected override void CreateChildControls()
{
if (!Visible)
{
return;
}
SelectedIndex = -1;
object o = ViewStateAttributes.GetFromViewState("NumItems", null);
if (o != null)
{
// get item ids and indexes for supporting ajax list append, insert and remove operations and restoring the exact previous state
ArrayList itemIds = GetViewStateItemIds();
ArrayList itemIndexes = GetViewStateItemIndexes();
// clear any existing child controls
Controls.Clear();
int numItems = (int)o;
int pageSize = this.PageSize;
for (int i = 0; i < numItems && i < pageSize; i++)
{
// create item
RepeaterItem item = new RepeaterItem(i, null);
InvisibleItem invItem = new InvisibleItem(i, null);
try {
// initialize item id
if (itemIds != null)
{
item.ID = Iterator.FormatId((int)itemIds[i * 2]);
invItem.ID = Iterator.FormatId((int)itemIds[i * 2 + 1]);
}
else
{
item.ID = Iterator.FormatId(i * 2);
invItem.ID = Iterator.FormatId(i * 2 + 1);
}
// initialize item index
if (itemIndexes != null)
{
item.ItemIndex = (int)itemIndexes[i * 2];
invItem.ItemIndex = (int)itemIndexes[i * 2 + 1];
}
} catch (ArgumentOutOfRangeException) {
throw new HEMessageException(MR.GetMessage(MessageId.AjaxListModified, "List Records", this.ID));
}
// initialize item from template
ItemTemplate.InstantiateIn(item);
InvisibleTemplate.InstantiateIn(invItem);
// add item to the child controls collection
Controls.Add(item);
Controls.Add(invItem);
}
}
}
private void CreateItem(object current, int i, bool doDatabind)
{
// create item
RepeaterItem item = new RepeaterItem(i, current);
InvisibleItem invItem = new InvisibleItem(i, current);
// get the id of the last created item
int lastId = -1;
if (Controls.Count > 0)
{
lastId = Iterator.GetIntegerId(Controls[Controls.Count - 1].ID);
}
// initialize item from template
ItemTemplate.InstantiateIn(item);
InvisibleTemplate.InstantiateIn(invItem);
// set the ids appropriately
item.ID = Iterator.FormatId(lastId + 1);
invItem.ID = Iterator.FormatId(lastId + 2);
// add item to the child controls collection
Controls.Add(item);
Controls.Add(invItem);
if (doDatabind)
{
item.DataBind();
invItem.DataBind();
}
}
public void RefreshItem(int dataItemIndex)
{
// set the datasource position
IOSList rl = DataSource;
rl.SetPosition(dataItemIndex);
SelectedIndex = dataItemIndex;
// databind the correspondent item
int controlIndex = GetItemControlIndex(dataItemIndex);
RepeaterItem item = (RepeaterItem)Controls[controlIndex];
item.DataItem = rl.Current;
item.DataBind();
InvisibleItem invItem = (InvisibleItem)Controls[controlIndex + 1];
invItem.DataItem = rl.Current;
invItem.DataBind();
}
