protected virtual void OnItemsChanged(object sender, RadPageViewItemsChangedEventArgs args)
{
if (this.ItemsChanged != null)
{
this.ItemsChanged(sender, args);
}
}
private void tabStripElement_ItemsChanged(object sender, RadPageViewItemsChangedEventArgs e)
{
if (this.Disposing || this.IsDisposed || !this.IsHandleCreated)
{
return;
}
if (this.suspendStripItemsChanged > 0)
{
return;
}
this.SuspendStripNotifications(true, true);
//we need to sync item and panel indexes
switch (e.Operation)
{
case ItemsChangeOperation.Inserted:
case ItemsChangeOperation.Set:
TabStripItem item = e.ChangedItem as TabStripItem;
if (item != null)
{
int index = this.tabStripElement.Items.IndexOf(item);
this.Controls.SetChildIndex(item.TabPanel, index);
this.selectedIndex = index;
this.UpdateTabSelection(true);
}
break;
}
this.ResumeStripNotifications(true, true);
}
protected virtual void RemoveItemCore(RadPageViewItem item)
{
int index = this.items.IndexOf(item);
this.items.RemoveAt(index);
item.Owner = null;
RadPageViewItemsChangedEventArgs itemsChangedEventArgs = new RadPageViewItemsChangedEventArgs(item, ItemsChangeOperation.Removed);
this.OnItemsChanged(this, itemsChangedEventArgs);
RadElement parent = this.ItemsParent;
if (parent != null)
{
parent.Children.Remove(item);
}
if (item != this.selectedItem)
{
return;
}
item.IsSelected = false;
if (index >= this.items.Count)
{
index--;
}
RadPageViewItem newSelected = null;
if (index >= 0 && index < this.items.Count)
{
newSelected = this.items[index];
}
this.SelectItem(newSelected);
}
protected virtual void InsertItemCore(int index, RadPageViewItem item)
{
this.items.Insert(index, item);
item.Owner = this;
this.SyncronizeItem(item);
RadPageViewItemsChangedEventArgs itemsChangedEventArgs = new RadPageViewItemsChangedEventArgs(item, ItemsChangeOperation.Inserted);
this.OnItemsChanged(this, itemsChangedEventArgs);
RadElement parent = this.ItemsParent;
if (parent != null)
{
parent.Children.Insert(index, item);
}
if (this.selectedItem == null)
{
this.SelectItem(item);
}
}
private void tabStripElement_ItemsChanged(object sender, RadPageViewItemsChangedEventArgs e)
{
if (this.Disposing || this.IsDisposed || (!this.IsHandleCreated || this.suspendStripItemsChanged > 0))
{
return;
}
this.SuspendStripNotifications(true, true);
switch (e.Operation)
{
case ItemsChangeOperation.Inserted:
case ItemsChangeOperation.Set:
TabStripItem changedItem = e.ChangedItem as TabStripItem;
if (changedItem != null)
{
int newIndex = this.tabStripElement.Items.IndexOf((RadPageViewItem)changedItem);
this.Controls.SetChildIndex((Control)changedItem.TabPanel, newIndex);
this.selectedIndex = newIndex;
this.UpdateTabSelection(true);
break;
}
break;
}
this.ResumeStripNotifications(true, true);
}