public override void GetCaretInfo(int AItemNo, int AOffset, ref HCCaretInfo ACaretInfo)
{
base.GetCaretInfo(AItemNo, AOffset, ref ACaretInfo);
// 赋值激活Group信息，清除在 MouseDown
if (this.SelectInfo.StartItemNo >= 0)
{
HCCustomRichData vTopData = GetTopLevelData();
if (vTopData == this)
{
if (FActiveDomain.BeginNo >= 0)
{
FActiveDomain.Clear();
FDrawActiveDomainRegion = false;
Style.UpdateInfoRePaint();
}
// 获取当前光标处ActiveDeGroup信息
this.GetDomainFrom(this.SelectInfo.StartItemNo, this.SelectInfo.StartItemOffset, FActiveDomain);
if (FActiveDomain.BeginNo >= 0)
{
FDrawActiveDomainRegion = true;
Style.UpdateInfoRePaint();
}
}
}
}
public bool DeleteDomain(HCDomainInfo aDomain)
{
if (aDomain.BeginNo < 0)
{
return(false);
}
Undo_New();
int vCaretItemNo = aDomain.BeginNo;
int vFirstDrawItemNo = GetFormatFirstDrawItem(Items[aDomain.BeginNo].FirstDItemNo);
int vParaLastItemNo = GetParaLastItemNo(aDomain.EndNo);
if (Items[aDomain.BeginNo].ParaFirst)
{
if (aDomain.EndNo == vParaLastItemNo)
{
if (aDomain.BeginNo > 0)
{
vFirstDrawItemNo = GetFormatFirstDrawItem(Items[aDomain.BeginNo].FirstDItemNo - 1);
}
}
else // 域结束不是段尾，起始是段首
{
UndoAction_ItemParaFirst(aDomain.EndNo + 1, 0, true);
Items[aDomain.EndNo + 1].ParaFirst = true;
}
}
FormatPrepare(vFirstDrawItemNo, vParaLastItemNo);
int vDelCount = 0;
for (int i = aDomain.EndNo; i >= aDomain.BeginNo; i--) // 删除域及域范围内的Ite
{
UndoAction_DeleteItem(i, 0);
Items.Delete(i);
vDelCount++;
}
FActiveDomain.Clear();
ReFormatData(vFirstDrawItemNo, vParaLastItemNo - vDelCount, -vDelCount);
this.InitializeField();
if (vCaretItemNo > Items.Count - 1)
{
ReSetSelectAndCaret(vCaretItemNo - 1);
}
else
{
ReSetSelectAndCaret(vCaretItemNo, 0);
}
Style.UpdateInfoRePaint();
Style.UpdateInfoReCaret();
return(true);
}
public override void InitializeField()
{
base.InitializeField();
if (FActiveDomain != null)
{
FActiveDomain.Clear();
}
if (FHotDomain != null)
{
FHotDomain.Clear();
}
}
public override void GetCaretInfo(int aItemNo, int aOffset, ref HCCaretInfo aCaretInfo)
{
base.GetCaretInfo(aItemNo, aOffset, ref aCaretInfo);
bool vRePaint = false;
// 赋值激活Group信息，清除在 MouseDown
if (this.SelectInfo.StartItemNo >= 0)
{
HCCustomData vTopData = GetTopLevelData();
if (vTopData == this)
{
if (this.Style.DrawActiveDomainRegion && (FActiveDomain.BeginNo >= 0))
{
vRePaint = true;
}
// 获取当前光标处ActiveDeGroup信息
GetDomainFrom(SelectInfo.StartItemNo, SelectInfo.StartItemOffset, FActiveDomain);
if (this.Style.DrawActiveDomainRegion && (FActiveDomain.BeginNo >= 0))
{
vRePaint = true;
}
}
}
else
if (this.Style.DrawActiveDomainRegion && (FActiveDomain.BeginNo >= 0))
{
FActiveDomain.Clear();
vRePaint = true;
}
if (vRePaint)
{
Style.UpdateInfoRePaint();
}
if (FCaretItemChanged)
{
FCaretItemChanged = false;
if (FOnCaretItemChanged != null)
{
FOnCaretItemChanged(this, Items[SelectInfo.StartItemNo]);
}
}
}
public override void MouseDown(MouseEventArgs e)
{
if (FActiveDomain.BeginNo >= 0)
{
Style.UpdateInfoRePaint();
}
FActiveDomain.Clear();
FDrawActiveDomainRegion = false;
base.MouseDown(e);
if (e.Button == MouseButtons.Right)
{
Style.UpdateInfoReCaret();
}
}
public bool DeleteDomainByItemNo(int aStartNo, int aEndNo)
{
if (aStartNo < 0)
{
return(false);
}
Undo_New();
int vFirstDrawItemNo = GetFormatFirstDrawItem(Items[aStartNo].FirstDItemNo);
int vParaLastItemNo = GetParaLastItemNo(aEndNo);
if (Items[aStartNo].ParaFirst)
{
if (aEndNo == vParaLastItemNo)
{
if (aStartNo > 0)
{
vFirstDrawItemNo = GetFormatFirstDrawItem(Items[aStartNo].FirstDItemNo - 1);
}
}
else // 域结束不是段尾，起始是段首
{
UndoAction_ItemParaFirst(aEndNo + 1, 0, true);
Items[aEndNo + 1].ParaFirst = true;
}
}
FormatPrepare(vFirstDrawItemNo, vParaLastItemNo);
int vDelCount = 0;
bool vBeginPageBreak = Items[aStartNo].PageBreak;
for (int i = aEndNo; i >= aStartNo; i--) // 删除域及域范围内的Ite
{
UndoAction_DeleteItem(i, 0);
Items.Delete(i);
vDelCount++;
}
FActiveDomain.Clear();
if (aStartNo == 0) // 删除完了
{
HCCustomItem vItem = CreateDefaultTextItem();
vItem.ParaFirst = true;
vItem.PageBreak = vBeginPageBreak;
Items.Insert(aStartNo, vItem);
UndoAction_InsertItem(aStartNo, 0);
vDelCount--;
}
ReFormatData(vFirstDrawItemNo, vParaLastItemNo - vDelCount, -vDelCount);
this.InitializeField();
if (aStartNo > Items.Count - 1)
{
ReSetSelectAndCaret(aStartNo - 1);
}
else
{
ReSetSelectAndCaret(aStartNo, 0);
}
Style.UpdateInfoRePaint();
Style.UpdateInfoReCaret();
return(true);
}