public bool Remove(RadListDataItem item)
{
this.OwnerListElement.CheckReadyForUnboundMode();
if (item == null)
{
return(false); //fix null ref. exception
}
Telerik.WinControls.Data.NotifyCollectionChangingEventArgs args = new Telerik.WinControls.Data.NotifyCollectionChangingEventArgs(Telerik.WinControls.Data.NotifyCollectionChangedAction.Remove, item);
this.ownerListElement.OnItemsChanging(args);
if (args.Cancel)
{
return(false);
}
item.DataLayer = null;
item.Owner = null;
bool removeValue = this.dataLayer.ListSource.Remove(item);
Telerik.WinControls.Data.NotifyCollectionChangedEventArgs args1 = new Telerik.WinControls.Data.NotifyCollectionChangedEventArgs(Telerik.WinControls.Data.NotifyCollectionChangedAction.Remove, item);
this.ownerListElement.OnItemsChanged(args1);
return(removeValue);
}
public void Add(RadListDataItem item)
{
this.OwnerListElement.CheckReadyForUnboundMode();
item.DataLayer = this.dataLayer;
item.Owner = this.ownerListElement;
Telerik.WinControls.Data.NotifyCollectionChangingEventArgs args = new Telerik.WinControls.Data.NotifyCollectionChangingEventArgs(Telerik.WinControls.Data.NotifyCollectionChangedAction.Add, item);
this.ownerListElement.OnItemsChanging(args);
if (args.Cancel)
{
return;
}
if (this.dataLayer.ListSource.IsDataBound)
{
RadListDataItem newItem = this.dataLayer.ListSource.AddNew();
newItem.Text = item.Text;
}
else
{
this.dataLayer.ListSource.Add(item);
}
Telerik.WinControls.Data.NotifyCollectionChangedEventArgs args1 = new Telerik.WinControls.Data.NotifyCollectionChangedEventArgs(Telerik.WinControls.Data.NotifyCollectionChangedAction.Add, item);
this.ownerListElement.OnItemsChanged(args1);
}
public RadListDataItem this[int index]
{
get
{
return(this.dataLayer.DataView[index]);
}
set
{
this.OwnerListElement.CheckReadyForUnboundMode();
RadListDataItem item = this.dataLayer.ListSource[index];
Telerik.WinControls.Data.NotifyCollectionChangingEventArgs args = new Telerik.WinControls.Data.NotifyCollectionChangingEventArgs(Telerik.WinControls.Data.NotifyCollectionChangedAction.Replace, value, item);
this.ownerListElement.OnItemsChanging(args);
if (args.Cancel)
{
return;
}
item.DataLayer = null;
item.Owner = null;
if (item.Selected)
{
((IList)this.ownerListElement.SelectedItems).Remove(item);
}
this.dataLayer.ListSource[index] = value;
value.DataLayer = this.dataLayer;
value.Owner = this.ownerListElement;
Telerik.WinControls.Data.NotifyCollectionChangedEventArgs args1 = new Telerik.WinControls.Data.NotifyCollectionChangedEventArgs(Telerik.WinControls.Data.NotifyCollectionChangedAction.Replace, value, item);
this.ownerListElement.OnItemsChanged(args1);
}
}
public void RemoveAt(int index)
{
this.OwnerListElement.CheckReadyForUnboundMode();
RadListDataItem itemToRemove = this.dataLayer.DataView[index];
Telerik.WinControls.Data.NotifyCollectionChangingEventArgs args = new Telerik.WinControls.Data.NotifyCollectionChangingEventArgs(Telerik.WinControls.Data.NotifyCollectionChangedAction.Remove, itemToRemove);
this.ownerListElement.OnItemsChanging(args);
if (args.Cancel)
{
return;
}
itemToRemove.DataLayer = null;
itemToRemove.Owner = null;
this.dataLayer.ListSource.RemoveAt(index);
Telerik.WinControls.Data.NotifyCollectionChangedEventArgs args1 = new Telerik.WinControls.Data.NotifyCollectionChangedEventArgs(Telerik.WinControls.Data.NotifyCollectionChangedAction.Remove, itemToRemove);
this.ownerListElement.OnItemsChanged(args1);
}
public void Insert(int index, RadListDataItem item)
{
this.OwnerListElement.CheckReadyForUnboundMode();
item.DataLayer = this.dataLayer;
item.Owner = this.ownerListElement;
Telerik.WinControls.Data.NotifyCollectionChangingEventArgs args = new Telerik.WinControls.Data.NotifyCollectionChangingEventArgs(Telerik.WinControls.Data.NotifyCollectionChangedAction.Add, item);
this.ownerListElement.OnItemsChanging(args);
if (args.Cancel)
{
return;
}
Telerik.WinControls.Data.NotifyCollectionChangedEventArgs args1 = new Telerik.WinControls.Data.NotifyCollectionChangedEventArgs(Telerik.WinControls.Data.NotifyCollectionChangedAction.Add, item);
this.dataLayer.ListSource.Insert(index, item);
this.ownerListElement.OnItemsChanged(args1);
}
public void AddRange(IEnumerable <RadListDataItem> range)
{
this.OwnerListElement.CheckReadyForUnboundMode();
List <RadListDataItem> items = new List <RadListDataItem>(range);
Telerik.WinControls.Data.NotifyCollectionChangingEventArgs args = new Telerik.WinControls.Data.NotifyCollectionChangingEventArgs(Telerik.WinControls.Data.NotifyCollectionChangedAction.Batch, items);
this.ownerListElement.OnItemsChanging(args);
if (args.Cancel)
{
return;
}
this.ownerListElement.SuspendItemsChangeEvents = true;
foreach (RadListDataItem item in range)
{
this.Add(item);
}
this.ownerListElement.SuspendItemsChangeEvents = false;
Telerik.WinControls.Data.NotifyCollectionChangedEventArgs args1 = new Telerik.WinControls.Data.NotifyCollectionChangedEventArgs(Telerik.WinControls.Data.NotifyCollectionChangedAction.Batch, items);
this.ownerListElement.OnItemsChanged(args1);
}
