//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
#region Public Methods
// Called by the undo manager. Restores tree state to its condition
// when the unit was created. Assumes the tree state matches conditions
// just after the unit was created.
public override void DoCore()
{
TextPointer start;
TextPointer end;
TextElement element;
VerifyTreeContentHashCode();
start = new TextPointer(this.TextContainer, this.SymbolOffset, LogicalDirection.Forward);
end = new TextPointer(this.TextContainer, this.SymbolOffset + _symbolCount - 2, LogicalDirection.Forward);
// Insert a new element.
element = (TextElement)Activator.CreateInstance(_type);
element.Reposition(start, end);
// Restore local resources
element.Resources = _resources;
// Move end into the scope of the new element.
end.MoveToNextContextPosition(LogicalDirection.Backward);
// Then restore local property values.
// Shouldn't we call this with deferLoad=true and call EndDeferLoad after all parameters set?
this.TextContainer.SetValues(end, ArrayToLocalValueEnumerator(_localValues));
if (element is Table)
{
TextTreeDeleteContentUndoUnit.RestoreColumns((Table)element, _columns);
}
}
// Token: 0x0600860B RID: 34315 RVA: 0x0024B8B8 File Offset: 0x00249AB8
internal override void Do(TextPointer navigator)
{
base.Do(navigator);
if (this._columns != null)
{
TextPointer textPointer = new TextPointer(navigator.TextContainer.Start, this._cpTable, LogicalDirection.Forward);
Table table = (Table)textPointer.Parent;
TextTreeDeleteContentUndoUnit.RestoreColumns(table, this._columns);
}
}
// Token: 0x06003D16 RID: 15638 RVA: 0x0011BC18 File Offset: 0x00119E18
internal TextTreeExtractElementUndoUnit(TextContainer tree, TextTreeTextElementNode elementNode) : base(tree, elementNode.GetSymbolOffset(tree.Generation))
{
this._symbolCount = elementNode.SymbolCount;
this._type = elementNode.TextElement.GetType();
this._localValues = TextTreeUndoUnit.GetPropertyRecordArray(elementNode.TextElement);
this._resources = elementNode.TextElement.Resources;
if (elementNode.TextElement is Table)
{
this._columns = TextTreeDeleteContentUndoUnit.SaveColumns((Table)elementNode.TextElement);
}
}
// Token: 0x06003D10 RID: 15632 RVA: 0x0011B9B4 File Offset: 0x00119BB4
internal static void RestoreColumns(Table table, TableColumn[] savedColumns)
{
if (savedColumns != null)
{
for (int i = 0; i < savedColumns.Length; i++)
{
if (table.Columns.Count <= i)
{
table.Columns.Add(TextTreeDeleteContentUndoUnit.CopyColumn(savedColumns[i]));
}
}
}
}
//------------------------------------------------------
//
// Constructors
//
//------------------------------------------------------
#region Constructors
// Creates a new undo unit instance.
internal TextTreeExtractElementUndoUnit(TextContainer tree, TextTreeTextElementNode elementNode)
: base(tree, elementNode.GetSymbolOffset(tree.Generation))
{
_symbolCount = elementNode.SymbolCount;
_type = elementNode.TextElement.GetType();
_localValues = GetPropertyRecordArray(elementNode.TextElement);
_resources = elementNode.TextElement.Resources;
// Table requires additional work for storing its Columns collection
if (elementNode.TextElement is Table)
{
_columns = TextTreeDeleteContentUndoUnit.SaveColumns((Table)elementNode.TextElement);
}
}
// Token: 0x06003D17 RID: 15639 RVA: 0x0011BC9C File Offset: 0x00119E9C
public override void DoCore()
{
base.VerifyTreeContentHashCode();
TextPointer start = new TextPointer(base.TextContainer, base.SymbolOffset, LogicalDirection.Forward);
TextPointer textPointer = new TextPointer(base.TextContainer, base.SymbolOffset + this._symbolCount - 2, LogicalDirection.Forward);
TextElement textElement = (TextElement)Activator.CreateInstance(this._type);
textElement.Reposition(start, textPointer);
textElement.Resources = this._resources;
textPointer.MoveToNextContextPosition(LogicalDirection.Backward);
base.TextContainer.SetValues(textPointer, TextTreeUndoUnit.ArrayToLocalValueEnumerator(this._localValues));
if (textElement is Table)
{
TextTreeDeleteContentUndoUnit.RestoreColumns((Table)textElement, this._columns);
}
}
// Token: 0x06003D0F RID: 15631 RVA: 0x0011B958 File Offset: 0x00119B58
internal static TableColumn[] SaveColumns(Table table)
{
TableColumn[] array;
if (table.Columns.Count > 0)
{
array = new TableColumn[table.Columns.Count];
for (int i = 0; i < table.Columns.Count; i++)
{
array[i] = TextTreeDeleteContentUndoUnit.CopyColumn(table.Columns[i]);
}
}
else
{
array = null;
}
return(array);
}
// Token: 0x06003E2C RID: 15916 RVA: 0x0011D638 File Offset: 0x0011B838
internal static TextTreeDeleteContentUndoUnit CreateDeleteContentUndoUnit(TextContainer tree, TextPointer start, TextPointer end)
{
if (start.CompareTo(end) == 0)
{
return(null);
}
UndoManager orClearUndoManager = TextTreeUndo.GetOrClearUndoManager(tree);
if (orClearUndoManager == null)
{
return(null);
}
TextTreeDeleteContentUndoUnit textTreeDeleteContentUndoUnit = new TextTreeDeleteContentUndoUnit(tree, start, end);
orClearUndoManager.Add(textTreeDeleteContentUndoUnit);
return(textTreeDeleteContentUndoUnit);
}
// Adds a DeleteContentUndoUnit to the open parent undo unit, if any.
// Called by TextContainer.DeleteContent.
internal static TextTreeDeleteContentUndoUnit CreateDeleteContentUndoUnit(TextContainer tree, TextPointer start, TextPointer end)
{
UndoManager undoManager;
TextTreeDeleteContentUndoUnit undoUnit;
if (start.CompareTo(end) == 0)
{
return(null);
}
undoManager = GetOrClearUndoManager(tree);
if (undoManager == null)
{
return(null);
}
undoUnit = new TextTreeDeleteContentUndoUnit(tree, start, end);
undoManager.Add(undoUnit);
return(undoUnit);
}
// Adds a DeleteContentUndoUnit to the open parent undo unit, if any.
// Called by TextContainer.DeleteContent.
internal static TextTreeDeleteContentUndoUnit CreateDeleteContentUndoUnit(TextContainer tree, TextPointer start, TextPointer end)
{
UndoManager undoManager;
TextTreeDeleteContentUndoUnit undoUnit;
if (start.CompareTo(end) == 0)
return null;
undoManager = GetOrClearUndoManager(tree);
if (undoManager == null)
return null;
undoUnit = new TextTreeDeleteContentUndoUnit(tree, start, end);
undoManager.Add(undoUnit);
return undoUnit;
}
// Token: 0x0600860A RID: 34314 RVA: 0x0024B877 File Offset: 0x00249A77
internal TableElementContentContainer(Table table, PropertyRecord[] localValues, TextTreeDeleteContentUndoUnit.ContentContainer childContainer) : base(table.GetType(), localValues, table.Resources, childContainer)
{
this._cpTable = table.TextContainer.Start.GetOffsetToPosition(table.ContentStart);
this._columns = TextTreeDeleteContentUndoUnit.SaveColumns(table);
}
