/// <summary>
/// Add item to the manager instance and mark as local new created
/// </summary>
/// <param name="item">target item</param>
/// <param name="index">current index of target item</param>
public void AddNewItem(AccessContextItem item, int index)
{
if (!IsNewItem(item))
{
Items.Add(new ItemEntry(item, ItemEntryState.New), index);
Parent.RaiseNotifyPropertyChanged("ContainsLocalChanges");
}
}
/// <summary>
/// Add item to the manager instance and mark as local changed
/// </summary>
/// <param name="item">target item</param>
/// <param name="index">current index of target item</param>
public void AddChangedItem(AccessContextItem item, int index)
{
if (item.ItemState != AccessContextItemState.ItemIsDeleted && !IsChangedItem(item) && !(IsNewItem(item)))
{
item.ItemState = AccessContextItemState.ItemIsLocalChanged;
Items.Add(new ItemEntry(item, ItemEntryState.Changed), index);
Parent.RaiseNotifyPropertyChanged("ContainsLocalChanges");
}
}
public override void SetValue(object component, object value)
{
AccessContextItem item = component as AccessContextItem;
if (null != item)
{
item.SetValue(Name, value);
}
}
/// <summary>
/// Add item to the manager instance and mark as local deleted
/// </summary>
/// <param name="item"></param>
public void AddDeletedItem(AccessContextItem item)
{
if (!IsDeletedItem(item))
{
int currentIndex = item.Parent.IndexOf(item);
Items.Add(new ItemEntry(item, ItemEntryState.Deleted), currentIndex);
item.ItemState = AccessContextItemState.ItemIsLocalDeleted;
Parent.RaiseNotifyPropertyChanged("ContainsLocalChanges");
}
}
/// <summary>
/// Returns info, an item is local changed (not new or deleted)
/// </summary>
/// <param name="item">target item</param>
/// <returns>true if local changed otherwise false</returns>
public bool IsChangedItem(AccessContextItem item)
{
foreach (var listItem in Items)
{
if (listItem.Key.Item == item && listItem.Key.State == ItemEntryState.Changed)
{
return(true);
}
}
return(false);
}
private void Table_AfterRemove(AccessContextItem item, int itemIndex)
{
if (IsCurrentlyInUndoRedoAction)
{
return;
}
var deleteRedo = RemoveClosure.Create(this, item.Parent.Remove, item);
var deleteUndo = InsertClosure.Create(this, item.Parent.Insert, itemIndex, item);
Commands.Append(new Command("Delete Item", deleteRedo, deleteUndo));
}
internal void Item_IsLocalChanged(AccessContextItem item, string propertyName, object oldValue, object newValue)
{
if (IsCurrentlyInUndoRedoAction)
{
return;
}
var changeRedo = ChangeClosure.Create(this, item.SetValue, propertyName, newValue);
var changeUndo = ChangeClosure.Create(this, item.SetValue, propertyName, oldValue);
Commands.Append(new Command("Change Item", changeRedo, changeUndo));
}
public override object GetValue(object component)
{
AccessContextItem item = component as AccessContextItem;
if (null != item)
{
return(item.GetValue(Name));
}
else
{
return(null);
}
}
/// <summary>
/// Removes an new/deleted/changed item
/// </summary>
/// <param name="item"></param>
internal void RemoveItem(AccessContextItem item)
{
ItemEntry entry = null;
foreach (var listItem in Items)
{
if (listItem.Key.Item == item)
{
entry = listItem.Key;
break;
}
}
if (null != entry)
{
Items.Remove(entry);
Parent.RaiseNotifyPropertyChanged("ContainsLocalChanges");
}
}
/// <summary>
/// Remove an item from the manager instance that is marked as local new created
/// </summary>
/// <param name="item">target item</param>
public void RemoveNewItem(AccessContextItem item)
{
if (IsNewItem(item))
{
ItemEntry entry = null;
foreach (var listItem in Items)
{
if (listItem.Key.Item == item && listItem.Key.State == ItemEntryState.New)
{
entry = listItem.Key;
break;
}
}
if (null != entry)
{
Console.WriteLine("RemoveNewItem " + item.ToString());
Items.Remove(entry);
item.ItemState = AccessContextItemState.ItemIsDeleted;
Parent.RaiseNotifyPropertyChanged("ContainsLocalChanges");
}
}
}
public static Closure Create(AccessContext parentContext, InsertHandler action, int index, AccessContextItem item)
{
return new InsertClosure(parentContext, action, index, item);
}
public InsertClosure(AccessContext parentContext, InsertHandler action, int index, AccessContextItem item) : base(parentContext)
{
_execute = action;
_arg0 = index;
_arg1 = item;
}
/// <summary>
/// Add item to the manager instance and mark as local new created
/// </summary>
/// <param name="item">target item</param>
/// <param name="index">current index of target item</param>
public void AddNewItem(AccessContextItem item, int index)
{
if (!IsNewItem(item))
{
Items.Add(new ItemEntry(item, ItemEntryState.New), index);
Parent.RaiseNotifyPropertyChanged("ContainsLocalChanges");
}
}
public InsertClosure(AccessContext parentContext, InsertHandler action, int index, AccessContextItem item) : base(parentContext)
{
_execute = action;
_arg0 = index;
_arg1 = item;
}
internal ItemEntry(AccessContextItem item, ItemEntryState state)
{
Item = item;
State = state;
}
/// <summary>
/// Add item to the manager instance and mark as local changed
/// </summary>
/// <param name="item">target item</param>
/// <param name="index">current index of target item</param>
public void AddChangedItem(AccessContextItem item, int index)
{
if (item.ItemState != AccessContextItemState.ItemIsDeleted && !IsChangedItem(item) && !(IsNewItem(item)))
{
item.ItemState = AccessContextItemState.ItemIsLocalChanged;
Items.Add(new ItemEntry(item, ItemEntryState.Changed), index);
Parent.RaiseNotifyPropertyChanged("ContainsLocalChanges");
}
}
/// <summary>
/// Remove an item from the manager instance that is marked as local new created
/// </summary>
/// <param name="item">target item</param>
public void RemoveNewItem(AccessContextItem item)
{
if (IsNewItem(item))
{
ItemEntry entry = null;
foreach (var listItem in Items)
{
if (listItem.Key.Item == item && listItem.Key.State == ItemEntryState.New)
{
entry = listItem.Key;
break;
}
}
if (null != entry)
{
Console.WriteLine("RemoveNewItem " + item.ToString());
Items.Remove(entry);
item.ItemState = AccessContextItemState.ItemIsDeleted;
Parent.RaiseNotifyPropertyChanged("ContainsLocalChanges");
}
}
}
public static Closure Create(AccessContext parentContext, RemoveHandler action, AccessContextItem item)
{
return(new RemoveClosure(parentContext, action, item));
}
internal RemoveClosure(AccessContext parentContext, RemoveHandler action, AccessContextItem item) : base(parentContext)
{
_execute = action;
_arg0 = item;
}
public static Closure Create(AccessContext parentContext, InsertHandler action, int index, AccessContextItem item)
{
return(new InsertClosure(parentContext, action, index, item));
}
internal RemoveClosure(AccessContext parentContext, RemoveHandler action, AccessContextItem item) : base(parentContext)
{
_execute = action;
_arg0 = item;
}
internal ItemEntry(AccessContextItem item, ItemEntryState state)
{
Item = item;
State = state;
}
public static Closure Create(AccessContext parentContext, RemoveHandler action, AccessContextItem item)
{
return new RemoveClosure(parentContext, action, item);
}
/// <summary>
/// Add item to the manager instance and mark as local deleted
/// </summary>
/// <param name="item"></param>
public void AddDeletedItem(AccessContextItem item)
{
if (!IsDeletedItem(item))
{
int currentIndex = item.Parent.IndexOf(item);
Items.Add(new ItemEntry(item, ItemEntryState.Deleted), currentIndex);
item.ItemState = AccessContextItemState.ItemIsLocalDeleted;
Parent.RaiseNotifyPropertyChanged("ContainsLocalChanges");
}
}
/// <summary>
/// Returns info, an item is local changed (not new or deleted)
/// </summary>
/// <param name="item">target item</param>
/// <returns>true if local changed otherwise false</returns>
public bool IsChangedItem(AccessContextItem item)
{
foreach (var listItem in Items)
if (listItem.Key.Item == item && listItem.Key.State == ItemEntryState.Changed)
return true;
return false;
}
/// <summary>
/// Removes an new/deleted/changed item
/// </summary>
/// <param name="item"></param>
internal void RemoveItem(AccessContextItem item)
{
ItemEntry entry = null;
foreach (var listItem in Items)
{
if (listItem.Key.Item == item)
{
entry = listItem.Key;
break;
}
}
if (null != entry)
{
Items.Remove(entry);
Parent.RaiseNotifyPropertyChanged("ContainsLocalChanges");
}
}
