protected HCUndoList GetSelfUndoList()
{
if (FOnGetMainUndoList == null)
{
return(null);
}
HCUndoList Result = FOnGetMainUndoList();
if ((Result != null) && Result.Enable &&
Result.Count > 0 &&
Result.Last.Actions.Count > 0 &&
(Result.Last.Actions.Last is HCItemSelfUndoAction))
{
HCItemSelfUndoAction vItemAction = Result.Last.Actions.Last as HCItemSelfUndoAction;
if (vItemAction.Object == null)
{
vItemAction.Object = new HCUndoList();
SelfUndoListInitializate(vItemAction.Object as HCUndoList);
}
Result = vItemAction.Object as HCUndoList;
}
return(Result);
}
protected void DoRedo(HCUndo sender)
{
if (sender is HCEditUndo)
{
FHScrollBar.Position = (sender as HCEditUndo).HScrollPos;
FVScrollBar.Position = (sender as HCEditUndo).VScrollPos;
}
else
if (sender is HCUndoEditGroupBegin)
{
FHScrollBar.Position = (sender as HCUndoEditGroupBegin).HScrollPos;
FVScrollBar.Position = (sender as HCUndoEditGroupBegin).VScrollPos;
}
HCUndoList vUndoList = DoGetUndoList();
if (!vUndoList.GroupWorking)
{
HCFunction vEvent = delegate()
{
FData.Redo(sender);
return(true);
};
DataChangeByAction(vEvent);
}
else
{
FData.Redo(sender);
}
}
protected void SelfUndoListInitializate(HCUndoList aUndoList)
{
aUndoList.OnUndoNew = DoSelfUndoNew;
aUndoList.OnUndo = DoSelfUndo;
aUndoList.OnRedo = DoSelfRedo;
aUndoList.OnUndoDestroy = DoSelfUndoDestroy;
}
protected void Undo_GroupEnd(int aItemNo, int aOffset)
{
HCUndoList vUndoList = GetUndoList();
if ((vUndoList != null) && vUndoList.Enable)
{
vUndoList.UndoGroupEnd(aItemNo, aOffset);
}
}
protected void SelfUndo_New()
{
HCUndoList vUndoList = GetSelfUndoList();
if ((vUndoList != null) && vUndoList.Enable)
{
vUndoList.UndoNew();
}
}
protected void Undo_New()
{
HCUndoList vUndoList = GetUndoList();
if ((vUndoList != null) && vUndoList.Enable)
{
HCUndo vUndo = vUndoList.UndoNew();
if (vUndo is HCDataUndo)
{
(vUndo as HCDataUndo).CaretDrawItemNo = CaretDrawItemNo;
}
}
}
protected void UndoAction_ItemSelf(int aItemNo, int aOffset)
{
HCUndoList vUndoList = GetUndoList();
if ((vUndoList != null) && vUndoList.Enable)
{
HCUndo vUndo = vUndoList.Last;
if (vUndo != null)
{
vUndo.ActionAppend(HCAction.actItemSelf, aItemNo, aOffset, Items[aItemNo].ParaFirst);
}
}
}
protected void UndoAction_InsertText(int aItemNo, int aOffset, string aText)
{
HCUndoList vUndoList = GetUndoList();
if ((vUndoList != null) && vUndoList.Enable)
{
HCUndo vUndo = vUndoList.Last;
if (vUndo != null)
{
HCTextUndoAction vTextAction = vUndo.ActionAppend(HCAction.actInsertText, aItemNo, aOffset,
Items[aItemNo].ParaFirst) as HCTextUndoAction;
vTextAction.Text = aText;
}
}
}
protected void UndoAction_ItemMirror(int aItemNo, int aOffset)
{
HCUndoList vUndoList = GetUndoList();
if ((vUndoList != null) && vUndoList.Enable)
{
HCUndo vUndo = vUndoList.Last;
if (vUndo != null)
{
HCItemUndoAction vItemAction = vUndo.ActionAppend(HCAction.actItemMirror, aItemNo, aOffset,
Items[aItemNo].ParaFirst) as HCItemUndoAction;
SaveItemToStreamAlone(vItemAction.ItemStream, Items[aItemNo]);
}
}
}
/// <summary> 插入Item到指定位置 </summary>
/// <param name="AItemNo">操作发生时的ItemNo</param>
/// <param name="AOffset">操作发生时的Offset</param>
protected void UndoAction_InsertItem(int aItemNo, int aOffset)
{
HCUndoList vUndoList = GetUndoList();
if ((vUndoList != null) && vUndoList.Enable)
{
HCUndo vUndo = vUndoList.Last;
if (vUndo != null)
{
HCItemUndoAction vItemAction = vUndo.ActionAppend(UndoActionTag.uatInsertItem, aItemNo, aOffset,
Items[aItemNo].ParaFirst) as HCItemUndoAction;
SaveItemToStreamAlone(Items[aItemNo], vItemAction.ItemStream);
}
}
}
protected void UndoAction_SetItemText(int aItemNo, int aOffset, string aNewText)
{
HCUndoList vUndoList = GetUndoList();
if ((vUndoList != null) && vUndoList.Enable)
{
HCUndo vUndo = vUndoList.Last;
if (vUndo != null)
{
HCSetItemTextUndoAction vTextAction = vUndo.ActionAppend(UndoActionTag.uatSetItemText, aItemNo, aOffset,
Items[aItemNo].ParaFirst) as HCSetItemTextUndoAction;
vTextAction.NewText = aNewText;
}
}
}
public override void Clear()
{
if (Items.Count > 0)
{
HCUndoList vUndoList = GetUndoList();
if ((vUndoList != null) && vUndoList.Enable)
{
Undo_New();
for (int i = Items.Count - 1; i >= 0; i--)
{
UndoAction_DeleteItem(i, 0);
}
}
}
base.Clear();
}
// 撤销恢复相关方法
protected void Undo_Resize(int ANewWidth, int ANewHeight)
{
if (OwnerData.Style.EnableUndo)
{
Undo_StartRecord();
HCUndoList vUndoList = GetSelfUndoList();
HCUndo vUndo = vUndoList[vUndoList.Count - 1];
if (vUndo != null)
{
HCUndoSize vUndoSize = new HCUndoSize();
vUndoSize.OldWidth = this.Width;
vUndoSize.OldHeight = this.Height;
vUndoSize.NewWidth = ANewWidth;
vUndoSize.NewHeight = ANewHeight;
vUndo.Data = vUndoSize;
}
}
}
protected void UndoAction_ItemStyle(int aItemNo, int aOffset, int aNewStyleNo)
{
HCUndoList vUndoList = GetUndoList();
if ((vUndoList != null) && vUndoList.Enable)
{
HCUndo vUndo = vUndoList.Last;
if (vUndo != null)
{
HCItemStyleUndoAction vItemAction = new HCItemStyleUndoAction();
vItemAction.ItemNo = aItemNo;
vItemAction.Offset = aOffset;
vItemAction.OldStyleNo = Items[aItemNo].StyleNo;
vItemAction.NewStyleNo = aNewStyleNo;
vUndo.Actions.Add(vItemAction);
}
}
}
/// <summary> 修改Item的分页属性(修改前调用) </summary>
protected void UndoAction_ItemPageBreak(int aItemNo, int aOffset, bool aNewPageBreak)
{
HCUndoList vUndoList = GetUndoList();
if ((vUndoList != null) && vUndoList.Enable)
{
HCUndo vUndo = vUndoList.Last;
if (vUndo != null)
{
HCItemPageBreakUndoAction vItemAction = new HCItemPageBreakUndoAction();
vItemAction.ItemNo = aItemNo;
vItemAction.Offset = aOffset;
vItemAction.OldPageBreak = Items[aItemNo].PageBreak;
vItemAction.NewPageBreak = aNewPageBreak;
vUndo.Actions.Add(vItemAction);
}
}
}
// 撤销重做相关方法
public override void Undo(HCCustomUndoAction aUndoAction)
{
if (aUndoAction is HCItemSelfUndoAction)
{
HCUndoList vUndoList = (aUndoAction as HCItemSelfUndoAction).Object as HCUndoList;
if (vUndoList != null)
{
vUndoList.Undo();
}
else
{
base.Undo(aUndoAction);
}
}
else
{
base.Undo(aUndoAction);
}
}
// 撤销恢复相关方法
protected void SelfUndo_Resize(int aNewWidth, int aNewHeight)
{
HCUndoList vUndoList = GetSelfUndoList();
if ((vUndoList != null) && vUndoList.Enable)
{
SelfUndo_New();
HCUndo vUndo = vUndoList.Last;
if (vUndo != null)
{
HCSizeUndoData vSizeUndoData = new HCSizeUndoData();
vSizeUndoData.OldWidth = this.Width;
vSizeUndoData.OldHeight = this.Height;
vSizeUndoData.NewWidth = aNewWidth;
vSizeUndoData.NewHeight = aNewHeight;
vUndo.Data = vSizeUndoData;
}
}
}
public HCEdit()
{
HCUnitConversion.Initialization();
//this.DoubleBuffered = true;
//Create(); // 便于子类在构造函数前执行
FHCExtFormat = DataFormats.GetFormat(HC.HC_EXT);
SetStyle(ControlStyles.Selectable, true); // 可接收焦点
FStyle = new HCStyle(true, true);
FUndoList = new HCUndoList();
FUndoList.OnUndo = DoUndo;
FUndoList.OnRedo = DoRedo;
FUndoList.OnUndoNew = DoUndoNew;
FUndoList.OnUndoGroupStart = DoUndoGroupBegin;
FUndoList.OnUndoGroupEnd = DoUndoGroupEnd;
FData = new HCViewData(FStyle);
FData.Width = 200;
FData.OnGetUndoList = DoGetUndoList;
FData.OnCreateItemByStyle = DoDataCreateStyleItem;
FData.OnDrawItemPaintBefor = DoDrawItemPaintBefor;
FData.OnInsertItem = DoDataInsertItem;
FData.OnRemoveItem = DoDataRemoveItem;
// 垂直滚动条，范围在Resize中设置
FVScrollBar = new HCScrollBar();
FVScrollBar.Orientation = Orientation.oriVertical;
FVScrollBar.OnScroll = DoVScrollChange;
// 水平滚动条，范围在Resize中设置
FHScrollBar = new HCScrollBar();
FHScrollBar.Orientation = Orientation.oriHorizontal;
FHScrollBar.OnScroll = DoVScrollChange;
this.Controls.Add(FHScrollBar);
this.Controls.Add(FVScrollBar);
FChanged = false;
this.ResumeLayout();
}
protected HCUndoList GetSelfUndoList()
{
HCUndoList Result = null;
HCUndoList vMainUndoList = FOnGetMainUndoList();
int vActionCount = vMainUndoList[vMainUndoList.Count - 1].Actions.Count;
HCCustomUndoAction vLastAction = vMainUndoList[vMainUndoList.Count - 1].Actions[vActionCount - 1];
if (vLastAction is HCItemSelfUndoAction)
{
HCItemSelfUndoAction vItemAction = vLastAction as HCItemSelfUndoAction;
if (vItemAction.Object == null)
{
vItemAction.Object = new HCUndoList();
(vItemAction.Object as HCUndoList).OnNewUndo = DoNewUndo;
(vItemAction.Object as HCUndoList).OnUndo = DoUndo;
(vItemAction.Object as HCUndoList).OnRedo = DoRedo;
}
Result = vItemAction.Object as HCUndoList;
}
return(Result);
}
public override void Redo(HCCustomUndoAction aRedoAction)
{
if (aRedoAction is HCItemSelfUndoAction)
{
HCUndoList vUndoList = (aRedoAction as HCItemSelfUndoAction).Object as HCUndoList;
if (vUndoList != null)
{
if (vUndoList.Seek < 0)
{
SelfUndoListInitializate(vUndoList);
}
vUndoList.Redo();
}
else
{
base.Redo(aRedoAction);
}
}
else
{
base.Redo(aRedoAction);
}
}
private void DoUndoRedo(HCCustomUndo aUndo)
{
if (aUndo is HCUndoGroupEnd)
{
if (aUndo.IsUndo)
{
if (FUndoGroupCount == 0)
{
HCUndoList vUndoList = GetUndoList();
FFormatFirstItemNo = (vUndoList[vUndoList.CurGroupBeginIndex] as HCUndoGroupBegin).ItemNo;
FFormatLastItemNo = (vUndoList[vUndoList.CurGroupEndIndex] as HCUndoGroupEnd).ItemNo;
if (FFormatLastItemNo < Items.Count - 1)
{
FFormatLastItemNo++;
}
if (FFormatFirstItemNo != FFormatLastItemNo)
{
FFormatFirstItemNo = GetParaFirstItemNo(FFormatFirstItemNo);
FFormatFirstDrawItemNo = Items[FFormatFirstItemNo].FirstDItemNo;
FFormatLastItemNo = GetParaLastItemNo(FFormatLastItemNo);
}
else
{
GetFormatRange(FFormatFirstItemNo, 1, ref FFormatFirstDrawItemNo, ref FFormatLastItemNo);
}
FormatPrepare(FFormatFirstDrawItemNo, FFormatLastItemNo);
SelectInfo.Initialize();
this.InitializeField();
FItemAddCount = 0;
}
FUndoGroupCount++;
}
else // 组恢复结束
{
FUndoGroupCount--;
if (FUndoGroupCount == 0)
{
ReFormatData(FFormatFirstDrawItemNo, FFormatLastItemNo + FItemAddCount, FItemAddCount);
SelectInfo.StartItemNo = (aUndo as HCUndoGroupEnd).ItemNo;
SelectInfo.StartItemOffset = (aUndo as HCUndoGroupEnd).Offset;
CaretDrawItemNo = (aUndo as HCUndoGroupEnd).CaretDrawItemNo;
Style.UpdateInfoReCaret();
Style.UpdateInfoRePaint();
}
}
return;
}
else
if (aUndo is HCUndoGroupBegin)
{
if (aUndo.IsUndo)
{
FUndoGroupCount--;
if (FUndoGroupCount == 0)
{
ReFormatData(FFormatFirstDrawItemNo, FFormatLastItemNo + FItemAddCount, FItemAddCount);
SelectInfo.StartItemNo = (aUndo as HCUndoGroupBegin).ItemNo;
SelectInfo.StartItemOffset = (aUndo as HCUndoGroupBegin).Offset;
CaretDrawItemNo = (aUndo as HCUndoGroupBegin).CaretDrawItemNo;
Style.UpdateInfoReCaret();
Style.UpdateInfoRePaint();
}
}
else // 组恢复(无Action)
{
if (FUndoGroupCount == 0)
{
FFormatFirstItemNo = (aUndo as HCUndoGroupBegin).ItemNo;
FFormatFirstDrawItemNo = GetFormatFirstDrawItem(Items[FFormatFirstItemNo].FirstDItemNo);
HCUndoList vUndoList = GetUndoList();
FFormatLastItemNo = (vUndoList[vUndoList.CurGroupEndIndex] as HCUndoGroupEnd).ItemNo;
if (FFormatLastItemNo > Items.Count - 1) // 防止在最后插入Item的撤销后恢复访问越界
{
FFormatLastItemNo--;
}
FormatPrepare(FFormatFirstDrawItemNo, FFormatLastItemNo);
SelectInfo.Initialize();
this.InitializeField();
FItemAddCount = 0;
}
FUndoGroupCount++;
}
return;
}
if (aUndo.Actions.Count == 0)
{
return;
}
int vCaretDrawItemNo = -1, vCaretItemNo = -1, vCaretOffset = -1;;
if (FUndoGroupCount == 0)
{
SelectInfo.Initialize();
this.InitializeField();
FItemAddCount = 0;
vCaretDrawItemNo = (aUndo as HCDataUndo).CaretDrawItemNo;
if (aUndo.Actions[0].ItemNo > aUndo.Actions[aUndo.Actions.Count - 1].ItemNo)
{
FFormatFirstItemNo = GetParaFirstItemNo(GetActionAffectFirst(aUndo.Actions.Last, aUndo.IsUndo));
FFormatLastItemNo = GetParaLastItemNo(GetActionAffectLast(aUndo.Actions.First, aUndo.IsUndo));
}
else
{
FFormatFirstItemNo = GetParaFirstItemNo(GetActionAffectFirst(aUndo.Actions.First, aUndo.IsUndo));
FFormatLastItemNo = GetParaLastItemNo(GetActionAffectLast(aUndo.Actions.Last, aUndo.IsUndo));
}
FFormatFirstDrawItemNo = Items[FFormatFirstItemNo].FirstDItemNo;
FormatPrepare(FFormatFirstDrawItemNo, FFormatLastItemNo);
}
if (aUndo.IsUndo)
{
for (int i = aUndo.Actions.Count - 1; i >= 0; i--)
{
DoUndoRedoAction(aUndo, aUndo.Actions[i], true, ref vCaretItemNo, ref vCaretOffset, ref vCaretDrawItemNo);
}
}
else
{
for (int i = 0; i <= aUndo.Actions.Count - 1; i++)
{
DoUndoRedoAction(aUndo, aUndo.Actions[i], false, ref vCaretItemNo, ref vCaretOffset, ref vCaretDrawItemNo);
}
}
if (FUndoGroupCount == 0)
{
ReFormatData(FFormatFirstDrawItemNo, FFormatLastItemNo + FItemAddCount, FItemAddCount);
if (vCaretDrawItemNo < 0)
{
vCaretDrawItemNo = GetDrawItemNoByOffset(vCaretItemNo, vCaretOffset);
}
else
if (vCaretDrawItemNo > this.DrawItems.Count - 1)
{
vCaretDrawItemNo = this.DrawItems.Count - 1;
}
CaretDrawItemNo = vCaretDrawItemNo;
Style.UpdateInfoReCaret();
Style.UpdateInfoRePaint();
}
SelectInfo.StartItemNo = vCaretItemNo;
SelectInfo.StartItemOffset = vCaretOffset;
}
private void DoUndoRedo(HCCustomUndo aUndo)
{
FForceClearExtra = false;
if (aUndo is HCUndoGroupEnd)
{
if (aUndo.IsUndo)
{
if (FUndoGroupCount == 0)
{
HCUndoList vUndoList = GetUndoList();
FFormatFirstItemNo = (vUndoList[vUndoList.CurGroupBeginIndex] as HCUndoGroupBegin).ItemNo;
FFormatLastItemNo = (vUndoList[vUndoList.CurGroupEndIndex] as HCUndoGroupEnd).ItemNo;
// 如果是序号0、1在一行，1删除后，又插入2个，其中第一个和序号0合并，第2个换行，
// 撤销时FFormatFirstItemNo为1从而FFormatFirstDrawItemNo为1，而此时1为行首，
// 撤销完后格式化会按在行首开始，导致原来的序号1撤销后换行。所以暴力回退1个
if (FFormatFirstItemNo > 0)
{
FFormatFirstItemNo--;
}
if (FFormatLastItemNo < Items.Count - 1)
{
FFormatLastItemNo++;
}
if (FFormatFirstItemNo != FFormatLastItemNo)
{
FFormatFirstItemNo = GetParaFirstItemNo(FFormatFirstItemNo);
FFormatFirstDrawItemNo = Items[FFormatFirstItemNo].FirstDItemNo;
FFormatLastItemNo = GetParaLastItemNo(FFormatLastItemNo);
}
else
{
GetFormatRange(FFormatFirstItemNo, 1, ref FFormatFirstDrawItemNo, ref FFormatLastItemNo);
}
FormatPrepare(FFormatFirstDrawItemNo, FFormatLastItemNo);
SelectInfo.Initialize();
this.InitializeField();
FItemAddCount = 0;
}
FUndoGroupCount++;
}
else // 组恢复结束
{
FUndoGroupCount--;
if (FUndoGroupCount == 0)
{
ReFormatData(FFormatFirstDrawItemNo, FFormatLastItemNo + FItemAddCount, FItemAddCount, FForceClearExtra);
SelectInfo.StartItemNo = (aUndo as HCUndoGroupEnd).ItemNo;
SelectInfo.StartItemOffset = (aUndo as HCUndoGroupEnd).Offset;
CaretDrawItemNo = (aUndo as HCUndoGroupEnd).CaretDrawItemNo;
Style.UpdateInfoReCaret();
Style.UpdateInfoRePaint();
}
}
return;
}
else
if (aUndo is HCUndoGroupBegin)
{
if (aUndo.IsUndo)
{
FUndoGroupCount--;
if (FUndoGroupCount == 0)
{
ReFormatData(FFormatFirstDrawItemNo, FFormatLastItemNo + FItemAddCount, FItemAddCount, FForceClearExtra);
SelectInfo.StartItemNo = (aUndo as HCUndoGroupBegin).ItemNo;
SelectInfo.StartItemOffset = (aUndo as HCUndoGroupBegin).Offset;
CaretDrawItemNo = (aUndo as HCUndoGroupBegin).CaretDrawItemNo;
Style.UpdateInfoReCaret();
Style.UpdateInfoRePaint();
}
}
else // 组恢复(无Action)
{
if (FUndoGroupCount == 0) // 组恢复开始
{
HCUndoList vUndoList = GetUndoList();
FFormatFirstItemNo = -1;
FFormatLastItemNo = -1;
int vItemNo = -1;
for (int i = vUndoList.CurGroupBeginIndex; i <= vUndoList.CurGroupEndIndex; i++)
{
if (vUndoList[i] is HCUndoGroupBegin)
{
if (FFormatFirstItemNo > ((vUndoList[i] as HCUndoGroupBegin).ItemNo))
{
FFormatFirstItemNo = (vUndoList[i] as HCUndoGroupBegin).ItemNo;
}
}
else
if (vUndoList[i] is HCUndoGroupEnd)
{
if (FFormatLastItemNo < ((vUndoList[i] as HCUndoGroupEnd).ItemNo))
{
FFormatLastItemNo = (vUndoList[i] as HCUndoGroupEnd).ItemNo;
}
}
else
{
vItemNo = GetParaFirstItemNo(GetActionAffectFirst(vUndoList[i].Actions.First, vUndoList[i].IsUndo));
if (FFormatFirstItemNo > vItemNo)
{
FFormatFirstItemNo = vItemNo;
}
vItemNo = GetParaLastItemNo(GetActionAffectLast(vUndoList[i].Actions.Last, vUndoList[i].IsUndo));
if (FFormatLastItemNo < vItemNo)
{
FFormatLastItemNo = vItemNo;
}
}
}
if (FFormatFirstItemNo < 0)
{
FFormatFirstItemNo = 0;
}
if (FFormatLastItemNo > Items.Count - 1)
{
FFormatLastItemNo = Items.Count - 1;
}
FFormatFirstDrawItemNo = GetFormatFirstDrawItem(Items[FFormatFirstItemNo].FirstDItemNo);
/*FFormatFirstItemNo = (aUndo as HCUndoGroupBegin).ItemNo;
* FFormatFirstDrawItemNo = GetFormatFirstDrawItem(Items[FFormatFirstItemNo].FirstDItemNo);
*
* HCUndoList vUndoList = GetUndoList();
* FFormatLastItemNo = (vUndoList[vUndoList.CurGroupEndIndex] as HCUndoGroupEnd).ItemNo;
* if (FFormatLastItemNo > Items.Count - 1) // 防止在最后插入Item的撤销后恢复访问越界
* FFormatLastItemNo--; */
FormatPrepare(FFormatFirstDrawItemNo, FFormatLastItemNo);
SelectInfo.Initialize();
this.InitializeField();
FItemAddCount = 0;
}
FUndoGroupCount++;
}
return;
}
if (aUndo.Actions.Count == 0)
{
return;
}
int vCaretDrawItemNo = -1, vCaretItemNo = -1, vCaretOffset = -1;;
if (FUndoGroupCount == 0)
{
SelectInfo.Initialize();
this.InitializeField();
FItemAddCount = 0;
vCaretDrawItemNo = (aUndo as HCDataUndo).CaretDrawItemNo;
if (aUndo.Actions[0].ItemNo > aUndo.Actions[aUndo.Actions.Count - 1].ItemNo)
{
FFormatFirstItemNo = GetParaFirstItemNo(GetActionAffectFirst(aUndo.Actions.Last, aUndo.IsUndo));
FFormatLastItemNo = GetParaLastItemNo(GetActionAffectLast(aUndo.Actions.First, aUndo.IsUndo));
}
else
{
FFormatFirstItemNo = GetParaFirstItemNo(GetActionAffectFirst(aUndo.Actions.First, aUndo.IsUndo));
FFormatLastItemNo = GetParaLastItemNo(GetActionAffectLast(aUndo.Actions.Last, aUndo.IsUndo));
}
FFormatFirstDrawItemNo = Items[FFormatFirstItemNo].FirstDItemNo;
FormatPrepare(FFormatFirstDrawItemNo, FFormatLastItemNo);
}
if (aUndo.IsUndo)
{
for (int i = aUndo.Actions.Count - 1; i >= 0; i--)
{
DoUndoRedoAction(aUndo, aUndo.Actions[i], true, ref vCaretItemNo, ref vCaretOffset, ref vCaretDrawItemNo);
}
}
else
{
for (int i = 0; i <= aUndo.Actions.Count - 1; i++)
{
DoUndoRedoAction(aUndo, aUndo.Actions[i], false, ref vCaretItemNo, ref vCaretOffset, ref vCaretDrawItemNo);
}
}
if (FUndoGroupCount == 0)
{
ReFormatData(FFormatFirstDrawItemNo, FFormatLastItemNo + FItemAddCount, FItemAddCount, FForceClearExtra);
int vCaretDIItem = GetDrawItemNoByOffset(vCaretItemNo, vCaretOffset); // 因为多个Action不一定每个会有有效的CaretDrawItem，所以需要重新计算一下
if ((vCaretDrawItemNo < 0) || (vCaretDrawItemNo > this.DrawItems.Count - 1))
{
vCaretDrawItemNo = vCaretDIItem;
}
else
if (vCaretDIItem != vCaretDrawItemNo)
{
if ((DrawItems[vCaretDrawItemNo].ItemNo == vCaretItemNo) && (DrawItems[vCaretDrawItemNo].CharOffs == vCaretOffset)) // 换行
{
}
else
{
vCaretDrawItemNo = vCaretDIItem; // 纠正
}
}
CaretDrawItemNo = vCaretDrawItemNo;
Style.UpdateInfoReCaret();
Style.UpdateInfoRePaint();
}
SelectInfo.StartItemNo = vCaretItemNo;
SelectInfo.StartItemOffset = vCaretOffset;
}