public override void Undo(DCSoft.CSharpWriter.Undo.XUndoEventArgs args)
{
if (_OldStyleIndex.Count > 0)
{
if (this.ParagraphStyle)
{
this.Document.EditorSetParagraphStyle(_OldStyleIndex, false);
}
else
{
this.Document.EditorSetElementStyle(_OldStyleIndex, false);
}
}
}
/// <summary>
/// 撤销操作
/// </summary>
public override void Undo(DCSoft.CSharpWriter.Undo.XUndoEventArgs args)
{
if (myProperty != null && objObjectInstance != null)
{
myProperty.SetValue(objObjectInstance, objOldValue, null);
if (objObjectInstance is DomElement)
{
DomElement element = (DomElement)objObjectInstance;
element.SizeInvalid = true;
this.OwnerList.RefreshElements.Add(element);
}
if (objObjectInstance is DomDocument)
{
if (myProperty.Name == "PageSettings")
{
this.OwnerList.NeedRefreshDocument = true;
}
}
}
}
/// <summary>
/// 重复操作
/// </summary>
public override void Redo(DCSoft.CSharpWriter.Undo.XUndoEventArgs args)
{
if (myContainer != null)
{
DomContentElement ce = myContainer.ContentElement;
//args.Parameters["ContentElement"] = ce;
if (_OldElements != null && _NewElements == null)
{
// 光删除,重复操作就是重复删除数据
int index = ce.PrivateContent.IndexOf(_OldElements.FirstContentElement);
foreach (DomElement element in _OldElements)
{
DomElement e2 = GetContentElement(element);
if (e2 != null)
{
if (e2.OwnerLine != null)
{
e2.OwnerLine.InvalidateState = true;
}
}
element.OwnerLine = null;
myContainer.Elements.Remove(element);
myContainer.OwnerDocument.HighlightManager.Remove(element);
}
myContainer.UpdateContentVersion();
this.OwnerList.AddContentRefreshInfo(ce, index);
}
else if (_OldElements == null && _NewElements != null)
{
// 光插入,重复操作就是重复插入数据
myContainer.Elements.InsertRange(intIndex, _NewElements);
foreach (DomElement element in _NewElements)
{
DomElement e2 = GetContentElement(element);
if (e2 != null && e2.OwnerLine != null)
{
e2.OwnerLine.InvalidateState = true;
}
element.OwnerLine = null;
}//foreach
myContainer.UpdateContentVersion();
AddRefreshElements(
_NewElements.FirstContentElement,
_NewElements.LastContentElement);
}
else if (_OldElements != null && _NewElements != null)
{
// 替换，撤销操作就是删除旧数据并插入新数据
int index = ce.PrivateContent.IndexOf(_OldElements.FirstContentElement);
foreach (DomElement element in _OldElements)
{
DomElement e2 = GetContentElement(element);
if (e2 != null && e2.OwnerLine != null)
{
e2.OwnerLine.InvalidateState = true;
}
element.OwnerLine = null;
myContainer.Elements.Remove(element);
myContainer.OwnerDocument.HighlightManager.Remove(element);
}
this.OwnerList.AddContentRefreshInfo(ce, index);
myContainer.Elements.InsertRange(intIndex, _NewElements);
foreach (DomElement element in _NewElements)
{
if (element.OwnerLine != null)
{
element.OwnerLine.InvalidateState = true;
element.OwnerLine = null;
}
}
myContainer.UpdateContentVersion();
ce.UpdateContentElements(true);
AddRefreshElements(
_NewElements.FirstContentElement,
_NewElements.LastContentElement);
}
if (this.OwnerList.ContentChangedContainer.Contains(myContainer) == false)
{
this.OwnerList.ContentChangedContainer.Add(myContainer);
}
}
}
/// <summary>
/// 撤销操作
/// </summary>
public override void Undo(DCSoft.CSharpWriter.Undo.XUndoEventArgs args)
{
if (myContainer != null)
{
DomContentElement ce = myContainer.ContentElement;
args.Parameters["ContentElement"] = ce;
if (_OldElements != null && _NewElements == null)
{
// 光删除,撤销操作就是恢复数据
myContainer.Elements.InsertRange(intIndex, _OldElements);
foreach (DomElement element in _OldElements)
{
DomElement e2 = GetContentElement(element);
if (e2 != null && e2.OwnerLine != null)
{
e2.OwnerLine.InvalidateState = true;
}
element.OwnerLine = null;
element.Parent = myContainer;
}
myContainer.UpdateContentVersion();
AddRefreshElements(
_OldElements.FirstContentElement,
_OldElements.LastContentElement);
}
else if (_OldElements == null && _NewElements != null)
{
// 光插入,撤销操作就是删除数据
int index = ce.PrivateContent.IndexOf(_NewElements.FirstContentElement);
int startIndex = index;
foreach (DomElement element in _NewElements)
{
startIndex = Math.Min(startIndex, element.FirstContentElement.ViewIndex);
myContainer.Elements.Remove(element);
myContainer.OwnerDocument.HighlightManager.Remove(element);
DomElement fce = GetContentElement(element.FirstContentElement);
DomElement ece = GetContentElement(element.LastContentElement);
ce.SetLinesInvalidateState(
fce == null ? null : fce.OwnerLine,
ece == null ? null : ece.OwnerLine);
if (element.OwnerLine != null)
{
element.OwnerLine.InvalidateState = true;
element.OwnerLine = null;
}
}
myContainer.UpdateContentVersion();
this.OwnerList.AddContentRefreshInfo(ce, startIndex);
}
else if (_OldElements != null && _NewElements != null)
{
// 替换，撤销操作就是删除新数据并恢复旧数据
int index = ce.PrivateContent.IndexOf(_NewElements.FirstContentElement);
int startIndex = index;
foreach (DomElement element in _NewElements)
{
startIndex = Math.Min(startIndex, element.FirstContentElement.ViewIndex);
myContainer.Elements.Remove(element);
myContainer.OwnerDocument.HighlightManager.Remove(element);
DomElement fce = GetContentElement(element.FirstContentElement);
DomElement ece = GetContentElement(element.LastContentElement);
ce.SetLinesInvalidateState(
fce == null ? null : fce.OwnerLine,
ece == null ? null : ece.OwnerLine);
//ce.SetLinesInvalidateState(
// element.FirstContentElement.OwnerLine,
// element.LastContentElement.OwnerLine);
element.OwnerLine = null;
}
this.OwnerList.AddContentRefreshInfo(ce, startIndex);
myContainer.Elements.InsertRange(intIndex, _OldElements);
foreach (DomElement element in _OldElements)
{
if (element.OwnerLine != null)
{
element.OwnerLine.InvalidateState = true;
element.OwnerLine = null;
}
element.Parent = myContainer;
}
myContainer.UpdateContentVersion();
this.OwnerList.RefreshElements.Add(
GetContentElement(
_OldElements.FirstContentElement));
this.OwnerList.RefreshElements.Add(
GetContentElement(
_OldElements.LastContentElement));
}
if (this.OwnerList.ContentChangedContainer.Contains(myContainer) == false)
{
this.OwnerList.ContentChangedContainer.Add(myContainer);
}
}
}
public override void Redo(DCSoft.CSharpWriter.Undo.XUndoEventArgs args)
{
_Control.EditorSetDefaultFont(_NewFont, _NewColor, true);
}
public override void Undo(DCSoft.CSharpWriter.Undo.XUndoEventArgs args)
{
if (_ListInstance == null)
{
throw new ArgumentNullException("ListInstance");
}
switch (this.Action)
{
case XTextUndoModifyListAction.Insert:
{
if (this._Index >= 0 && this._Index < _ListInstance.Count)
{
_ListInstance.RemoveAt(this._Index);
}
else
{
_ListInstance.Remove(this._NewValue);
}
}
break;
case XTextUndoModifyListAction.Remove:
_ListInstance.Insert(_Index, _OldValue);
break;
case XTextUndoModifyListAction.Change:
if (_Index >= 0 && _Index < _ListInstance.Count)
{
_ListInstance[_Index] = _OldValue;
}
break;
case XTextUndoModifyListAction.InsertRange:
{
if (_NewValue is IEnumerable)
{
int index = this._Index;
foreach (object obj in (IEnumerable)_NewValue)
{
_ListInstance.RemoveAt(index);
}
}
}
break;
case XTextUndoModifyListAction.RemoveRange:
{
if (_OldValue is IEnumerable)
{
int index = this._Index;
foreach (object obj in (IEnumerable)_OldValue)
{
_ListInstance.Insert(index, obj);
index++;
}
}
}
break;
case XTextUndoModifyListAction.ChangeRange:
{
if (_OldValue is IEnumerable)
{
int index = this._Index;
foreach (object obj in (IEnumerable)_OldValue)
{
_ListInstance[index] = obj;
index++;
}
}
}
break;
}//switch
if (AfterUndo != null)
{
AfterUndo(this, EventArgs.Empty);
}
}//Undo
