/// <summary>
/// Sets the order string of each items..
/// </summary>
/// <param name="order">The order.</param>
/// <param name="enumerate">if set to <c>true</c> enumerated each item.</param>
public void SetOrderString(string order, bool enumerate)
{
this._items.Clear();
System.Web.HttpContext.Current.Trace.Write(order);
foreach (string item in order.Split('|'))
{
OrderedListBoxItem newItem = new OrderedListBoxItem();
newItem.Value = item.Split('~')[0];
System.Web.HttpContext.Current.Trace.Write(item.Split('~')[0]);
System.Web.HttpContext.Current.Trace.Write(item.Split('~')[1]);
System.Web.HttpContext.Current.Trace.Write(item.Split('~')[2]);
string itemText = item.Split('~')[1];
if (enumerate)
{
newItem.Text = itemText.Substring(itemText.IndexOf(". ") + 1);
}
else
{
newItem.Text = itemText;
}
newItem.Selected = Convert.ToBoolean(item.Split('~')[2]);
this._items.Add(newItem);
}
}
/// <summary>
/// Determines the index of a specific <see cref="OrderedListBoxItem"/> in the current instance.
/// </summary>
/// <param name="item">The <see cref="OrderedListBoxItem"/> to locate in the current instance.</param>
/// <returns>The index of value if found in the current instance; otherwise, -1.</returns>
public int IndexOf(OrderedListBoxItem item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
return(_items.IndexOf(item));
}
/// <summary>
/// Determines whether a <see cref="OrderedListBoxItem"/> is in the collection.
/// </summary>
/// <param name="item">The <see cref="OrderedListBoxItem"/> to locate in the collection. The element to locate can be a null reference.</param>
/// <returns>true if value is found in the collection; otherwise, false.</returns>
public bool Contains(OrderedListBoxItem item)
{
if (item == null)
{
return(false);
}
return(_items.Contains(item));
}
/// <summary>
/// Move the selected item down.
/// </summary>
public void MoveSelectedDown()
{
int index = 0;
for (index = _items.Count - 1; index >= 0; index--)
{
OrderedListBoxItem item = (OrderedListBoxItem)_items[index];
if (item.Selected && !item.Locked)
{
MoveDown(index);
}
}
}
/// <summary>
/// Move the selected item up.
/// </summary>
public void MoveSelectedUp()
{
int index = 0;
for (index = 0; index < _items.Count; index++)
{
OrderedListBoxItem item = (OrderedListBoxItem)_items[index];
if (item.Selected && !item.Locked)
{
MoveUp(index);
}
}
}
/// <summary>
/// Adds a <see cref="OrderedListBoxItem"/> to the collection.
/// </summary>
/// <param name="item">The <see cref="OrderedListBoxItem"/> to add to the collection.</param>
/// <returns>The position into which the new element was inserted.</returns>
public int Add(OrderedListBoxItem item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
if (_isTrackingViewState)
{
((IStateManager)item).TrackViewState();
item.SetDirty();
}
return(_items.Add(item));
}
/// <summary>
/// Inserts a <see cref="OrderedListBoxItem"/> to the collection at the specified position.
/// </summary>
/// <param name="index">The zero-based index at which value should be inserted.</param>
/// <param name="item">The <see cref="OrderedListBoxItem"/> to insert into the Collection.</param>
public void Insert(int index, OrderedListBoxItem item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
_items.Insert(index, item);
if (_isTrackingViewState)
{
((IStateManager)item).TrackViewState();
_saveAll = true;
}
}
/// <summary>
/// When implemented by a class, saves the changes to a server control's view state to an
/// <see cref="T:System.Object"/> .
/// </summary>
/// <returns>
/// The <see langword="Object"/> that contains the view state changes.
/// </returns>
public object SaveViewState()
{
if (_saveAll == true)
{
// Save all items.
ArrayList states = new ArrayList(Count);
for (int i = 0; i < Count; i++)
{
OrderedListBoxItem toolItem = (OrderedListBoxItem)_items[i];
toolItem.SetDirty();
states.Add(((IStateManager)toolItem).SaveViewState());
}
if (states.Count > 0)
{
return(states);
}
else
{
return(null);
}
}
else
{
// Save only the dirty items.
ArrayList indices = new ArrayList();
ArrayList states = new ArrayList();
for (int i = 0; i < Count; i++)
{
OrderedListBoxItem toolItem = (OrderedListBoxItem)_items[i];
object state = ((IStateManager)toolItem).SaveViewState();
if (state != null)
{
states.Add(state);
indices.Add(i);
}
}
if (indices.Count > 0)
{
return(new Pair(indices, states));
}
}
return(null);
}
/// <summary>
/// Moves the selected item to list box.
/// </summary>
/// <param name="page">The page.</param>
/// <param name="control">The control id.</param>
public void MoveSelectedToListBox(System.Web.UI.Page page, string control)
{
// Get left listbox
OrderedListBox listbox = (OrderedListBox)page.FindControl(control);
int index = 0;
for (index = _items.Count - 1; index >= 0; index--)
{
OrderedListBoxItem item = (OrderedListBoxItem)_items[index];
if (item.Selected && !item.Locked)
{
listbox.Items.Add(item);
_items.RemoveAt(index);
}
}
}
/// <summary>
/// Removes the first occurrence of a specific <see cref="OrderedListBoxItem"/> from the collection.
/// </summary>
/// <param name="item">The <see cref="OrderedListBoxItem"/> to remove from the collection.</param>
public void Remove(OrderedListBoxItem item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
int index = IndexOf(item);
if (index >= 0)
{
RemoveAt(index);
}
if (_isTrackingViewState)
{
_saveAll = true;
}
}
void IStateManager.LoadViewState(object savedState)
{
if (savedState == null)
{
return;
}
if (savedState is Pair)
{
Pair p = (Pair)savedState;
ArrayList indices = (ArrayList)p.First;
ArrayList states = (ArrayList)p.Second;
for (int i = 0; i < indices.Count; i++)
{
int index = (int)indices[i];
if (index < this.Count)
{
((IStateManager)_items[index]).LoadViewState(states[i]);
}
else
{
OrderedListBoxItem toolItem = new OrderedListBoxItem();
Add(toolItem);
((IStateManager)toolItem).LoadViewState(states[i]);
}
}
}
else if (savedState is ArrayList)
{
_saveAll = true;
ArrayList states = (ArrayList)savedState;
_items = new ArrayList(states.Count);
for (int i = 0; i < states.Count; i++)
{
OrderedListBoxItem toolItem = new OrderedListBoxItem();
Add(toolItem);
((IStateManager)toolItem).LoadViewState(states[i]);
}
}
}
/// <summary>
/// Raises the DataBinding event.
/// </summary>
/// <param name="e">An EventArgs object that contains the event data.</param>
protected override void OnDataBinding(EventArgs e)
{
Page.Trace.Write("OnDataBinding");
base.OnDataBinding(e);
string dataTextField = DataTextField;
string dataValueField = DataValueField;
string dataSelectedField = DataSelectedField;
string dataLockedField = DataLockedField;
string dataTextFormat = DataTextFormatString;
bool valuePresent = false;
bool formatPresent = false;
IEnumerable iEnumerable = Utils.GetResolvedDataSource(DataSource, DataMember);
if (iEnumerable == null)
{
return;
}
Items.Clear();
ICollection iCollection = iEnumerable as ICollection;
if ((dataTextField.Length != 0) || (dataValueField.Length != 0))
{
valuePresent = true;
}
if (dataTextFormat.Length != 0)
{
formatPresent = true;
}
IEnumerator iEnumerator = iEnumerable.GetEnumerator();
try
{
while (iEnumerator.MoveNext())
{
object current = iEnumerator.Current;
OrderedListBoxItem toolItem = new OrderedListBoxItem();
if (valuePresent)
{
if (dataTextField.Length > 0)
{
toolItem.Text = DataBinder.GetPropertyValue(current, dataTextField, dataTextFormat);
}
if (dataValueField.Length > 0)
{
toolItem.Value = DataBinder.GetPropertyValue(current, dataValueField, null);
}
if (dataSelectedField.Length > 0)
{
toolItem.Selected = (bool)DataBinder.GetPropertyValue(current, dataSelectedField);
}
if (dataLockedField.Length > 0)
{
toolItem.Locked = (bool)DataBinder.GetPropertyValue(current, dataLockedField);
}
}
else
{
if (formatPresent)
{
toolItem.Text = string.Format(dataTextFormat, current);
}
else
{
toolItem.Text = current.ToString();
}
}
Items.Add(toolItem);
}
}
finally
{
IDisposable iDisposable = iEnumerator as IDisposable;
if (iDisposable != null)
{
iDisposable.Dispose();
}
}
}
