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namespace System.Workflow.ComponentModel
{
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel.Design.Serialization;
using System.Workflow.ComponentModel.Serialization;
#region Class ActivityCollectionItemList
[DesignerSerializer(typeof(ActivityCollectionMarkupSerializer), typeof(WorkflowMarkupSerializer))]
[Obsolete("The System.Workflow.* types are deprecated. Instead, please use the new types from System.Activities.*")]
public sealed class ActivityCollection : List<Activity>, IList<Activity>, IList
{
private Activity owner = null;
internal event EventHandler<ActivityCollectionChangeEventArgs> ListChanging;
public event EventHandler<ActivityCollectionChangeEventArgs> ListChanged;
public ActivityCollection(Activity owner)
{
if (owner == null)
throw new ArgumentNullException("owner");
if (!(owner is Activity))
throw new ArgumentException(SR.GetString(SR.Error_UnexpectedArgumentType, typeof(Activity).FullName), "owner");
this.owner = owner;
}
private void FireListChanging(ActivityCollectionChangeEventArgs eventArgs)
{
if (this.ListChanging != null)
this.ListChanging(this, eventArgs);
}
private void FireListChanged(ActivityCollectionChangeEventArgs eventArgs)
{
if (this.ListChanged != null)
this.ListChanged(this, eventArgs);
}
internal Activity Owner
{
get
{
return this.owner;
}
}
internal void InnerAdd(Activity activity)
{
base.Add(activity);
}
#region IList<Activity> Members
void IList<Activity>.RemoveAt(int index)
{
if (index < 0 || index >= base.Count)
throw new ArgumentOutOfRangeException("Index");
Activity item = base[index];
ActivityCollectionChangeEventArgs args = new ActivityCollectionChangeEventArgs(index, item, null, this.owner, ActivityCollectionChangeAction.Remove);
FireListChanging(args);
base.RemoveAt(index);
FireListChanged(args);
}
void IList<Activity>.Insert(int index, Activity item)
{
if (index < 0 || index > base.Count)
throw new ArgumentOutOfRangeException("index");
if (item == null)
throw new ArgumentNullException("item");
ActivityCollectionChangeEventArgs args = new ActivityCollectionChangeEventArgs(index, null, item, this.owner, ActivityCollectionChangeAction.Add);
FireListChanging(args);
base.Insert(index, item);
FireListChanged(args);
}
Activity IList<Activity>.this[int index]
{
get
{
return base[index];
}
set
{
if (value == null)
throw new ArgumentNullException("item");
Activity oldItem = base[index];
ActivityCollectionChangeEventArgs args = new ActivityCollectionChangeEventArgs(index, oldItem, value, this.owner, ActivityCollectionChangeAction.Replace);
FireListChanging(args);
base[index] = value;
FireListChanged(args);
}
}
int IList<Activity>.IndexOf(Activity item)
{
return base.IndexOf(item);
}
#endregion
#region ICollection<Activity> Members
bool ICollection<Activity>.IsReadOnly
{
get
{
return false;
}
}
bool ICollection<Activity>.Contains(Activity item)
{
return base.Contains(item);
}
bool ICollection<Activity>.Remove(Activity item)
{
if (!base.Contains(item))
return false;
int index = base.IndexOf(item);
if (index >= 0)
{
ActivityCollectionChangeEventArgs args = new ActivityCollectionChangeEventArgs(index, item, null, this.owner, ActivityCollectionChangeAction.Remove);
FireListChanging(args);
base.Remove(item);
FireListChanged(args);
return true;
}
return false;
}
void ICollection<Activity>.Clear()
{
ICollection<Activity> children = base.GetRange(0, base.Count);
ActivityCollectionChangeEventArgs args = new ActivityCollectionChangeEventArgs(-1, children, null, this.owner, ActivityCollectionChangeAction.Remove);
FireListChanging(args);
base.Clear();
FireListChanged(args);
}
void ICollection<Activity>.Add(Activity item)
{
if (item == null)
throw new ArgumentNullException("item");
ActivityCollectionChangeEventArgs args = new ActivityCollectionChangeEventArgs(base.Count, null, item, this.owner, ActivityCollectionChangeAction.Add);
FireListChanging(args);
base.Add(item);
FireListChanged(args);
}
int ICollection<Activity>.Count
{
get
{
return base.Count;
}
}
void ICollection<Activity>.CopyTo(Activity[] array, int arrayIndex)
{
base.CopyTo(array, arrayIndex);
}
#endregion
#region IEnumerable<Activity> Members
IEnumerator<Activity> IEnumerable<Activity>.GetEnumerator()
{
return base.GetEnumerator();
}
#endregion
#region Member Implementations
public new int Count
{
get
{
return ((ICollection<Activity>)this).Count;
}
}
public new void Add(Activity item)
{
((IList<Activity>)this).Add(item);
}
public new void Clear()
{
((IList<Activity>)this).Clear();
}
public new void Insert(int index, Activity item)
{
((IList<Activity>)this).Insert(index, item);
}
public new bool Remove(Activity item)
{
return ((IList<Activity>)this).Remove(item);
}
public new void RemoveAt(int index)
{
((IList<Activity>)this).RemoveAt(index);
}
public new Activity this[int index]
{
get
{
return ((IList<Activity>)this)[index];
}
set
{
((IList<Activity>)this)[index] = value;
}
}
public Activity this[string key]
{
get
{
for (int index = 0; index < this.Count; index++)
if ((this[index].Name.Equals(key) || this[index].QualifiedName.Equals(key)))
return this[index];
return null;
}
}
public new int IndexOf(Activity item)
{
return ((IList<Activity>)this).IndexOf(item);
}
public new bool Contains(Activity item)
{
return ((IList<Activity>)this).Contains(item);
}
public new IEnumerator<Activity> GetEnumerator()
{
return ((IList<Activity>)this).GetEnumerator();
}
#endregion
#region IList Members
int IList.Add(object value)
{
if (!(value is Activity))
throw new Exception(SR.GetString(SR.Error_InvalidListItem, this.GetType().GetGenericArguments()[0].FullName));
((IList<Activity>)this).Add((Activity)value);
return this.Count - 1;
}
void IList.Clear()
{
((IList<Activity>)this).Clear();
}
bool IList.Contains(object value)
{
if (!(value is Activity))
throw new Exception(SR.GetString(SR.Error_InvalidListItem, this.GetType().GetGenericArguments()[0].FullName));
return (((IList<Activity>)this).Contains((Activity)value));
}
int IList.IndexOf(object value)
{
if (!(value is Activity))
throw new Exception(SR.GetString(SR.Error_InvalidListItem, this.GetType().GetGenericArguments()[0].FullName));
return ((IList<Activity>)this).IndexOf((Activity)value);
}
void IList.Insert(int index, object value)
{
if (!(value is Activity))
throw new Exception(SR.GetString(SR.Error_InvalidListItem, this.GetType().GetGenericArguments()[0].FullName));
((IList<Activity>)this).Insert(index, (Activity)value);
}
bool IList.IsFixedSize
{
get
{
return false;
}
}
bool IList.IsReadOnly
{
get
{
return ((IList<Activity>)this).IsReadOnly;
}
}
void IList.Remove(object value)
{
if (!(value is Activity))
throw new Exception(SR.GetString(SR.Error_InvalidListItem, this.GetType().GetGenericArguments()[0].FullName));
((IList<Activity>)this).Remove((Activity)value);
}
object IList.this[int index]
{
get
{
return ((IList<Activity>)this)[index];
}
set
{
if (!(value is Activity))
throw new Exception(SR.GetString(SR.Error_InvalidListItem, this.GetType().GetGenericArguments()[0].FullName));
((IList<Activity>)this)[index] = (Activity)value;
}
}
#endregion
#region ICollection Members
void ICollection.CopyTo(Array array, int index)
{
for (int loop = 0; loop < this.Count; loop++)
array.SetValue(this[loop], loop + index);
}
bool ICollection.IsSynchronized
{
get { return false; }
}
object ICollection.SyncRoot
{
get { return this; }
}
#endregion
#region IEnumerable Members
IEnumerator IEnumerable.GetEnumerator()
{
return (IEnumerator)((IList<Activity>)this).GetEnumerator();
}
#endregion
}
#endregion
[Obsolete("The System.Workflow.* types are deprecated. Instead, please use the new types from System.Activities.*")]
public enum ActivityCollectionChangeAction
{
Add = 0x00,
Remove = 0x01,
Replace = 0x02
}
[Obsolete("The System.Workflow.* types are deprecated. Instead, please use the new types from System.Activities.*")]
public sealed class ActivityCollectionChangeEventArgs : EventArgs
{
private int index = 0;
private ICollection<Activity> addedItems = null;
private ICollection<Activity> removedItems = null;
private object owner = null;
private ActivityCollectionChangeAction action = ActivityCollectionChangeAction.Add;
public ActivityCollectionChangeEventArgs(int index, ICollection<Activity> removedItems, ICollection<Activity> addedItems, object owner, ActivityCollectionChangeAction action)
{
this.index = index;
this.removedItems = removedItems;
this.addedItems = addedItems;
this.action = action;
this.owner = owner;
}
public ActivityCollectionChangeEventArgs(int index, Activity removedActivity, Activity addedActivity, object owner, ActivityCollectionChangeAction action)
{
this.index = index;
if (removedActivity != null)
{
this.removedItems = new List<Activity>();
((List<Activity>)this.removedItems).Add(removedActivity);
}
if (addedActivity != null)
{
this.addedItems = new List<Activity>();
((List<Activity>)this.addedItems).Add(addedActivity);
}
this.action = action;
this.owner = owner;
}
public IList<Activity> RemovedItems
{
get
{
return (this.removedItems != null) ? new List<Activity>(this.removedItems).AsReadOnly() : new List<Activity>().AsReadOnly();
}
}
public IList<Activity> AddedItems
{
get
{
return (this.addedItems != null) ? new List<Activity>(this.addedItems).AsReadOnly() : new List<Activity>().AsReadOnly();
}
}
public object Owner
{
get
{
return this.owner;
}
}
public int Index
{
get
{
return this.index;
}
}
public ActivityCollectionChangeAction Action
{
get
{
return this.action;
}
}
}
}
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