/// <summary>
/// 更新文档内容元素列表
/// </summary>
public override void UpdateContentElements(bool updateParentContentElement)
{
int count = this.Elements.Count;
_ContentElements = null;
if (_Content == null)
{
_Content = new DomContent();
}
_Content._DocumentContentElement = this;
_Content._OwnerDocument = this.OwnerDocument;
_Content.Clear();
//this.Selection.Refresh(0, 0);
//if (this.Elements.Count != count) System.Windows.Forms.MessageBox.Show("zzz-1");
base.UpdateContentElements(updateParentContentElement);
//if (this.Elements.Count != count) System.Windows.Forms.MessageBox.Show("zzz-2");
this.OwnerDocument.HighlightManager.UpdateHighlightInfos();
}
/// <summary>
/// 执行查找
/// </summary>
/// <param name="args">参数</param>
/// <param name="setSelection">找到后是否设置文档选择状态</param>
/// <returns>找到的元素在文档中的序号</returns>
public int Search(SearchReplaceCommandArgs args, bool setSelection, int startIndex)
{
if (args == null)
{
throw new ArgumentNullException("args");
}
if (string.IsNullOrEmpty(args.SearchString))
{
return(-1);
}
DomContent content = this.Content;
int searchStringLength = args.SearchString.Length;
int newStartIndex = -1;
if (args.Backward)
{
// 向后查找
if (startIndex < 0)
{
startIndex = content.Selection.AbsEndIndex;
}
int contentLength = content.Count;
for (int iCount = startIndex; iCount < contentLength; iCount++)
{
DomElement element = content[iCount];
if (element is DomCharElement)
{
char c = ((DomCharElement)element).CharValue;
if (EqualsChar(c, args.SearchString[0], args.IgnoreCase))
{
if (searchStringLength == 1)
{
newStartIndex = iCount;
break;
}
else if (contentLength - iCount >= searchStringLength)
{
for (int iCount2 = 1; iCount2 < searchStringLength; iCount2++)
{
DomElement element2 = content[iCount + iCount2];
if (element2 is DomCharElement)
{
if (EqualsChar(
((DomCharElement)element2).CharValue,
args.SearchString[iCount2],
args.IgnoreCase))
{
if (iCount2 == searchStringLength - 1)
{
newStartIndex = iCount;
goto EndSetNewStartIndex;
}
}
else
{
// 判断失败
break;
}
}
else
{
// 不是字符元素，判断失败
break;
}
} //for
} //else if
}
} //if
} //for
} //if
else
{
// 向前查找
if (startIndex < 0)
{
startIndex = content.Selection.AbsStartIndex;
}
char lastChar = args.SearchString[args.SearchString.Length - 1];
for (int iCount = startIndex; iCount >= 0; iCount--)
{
DomElement element = content[iCount];
if (element is DomCharElement)
{
char c = ((DomCharElement)element).CharValue;
if (EqualsChar(c, lastChar, args.IgnoreCase))
{
if (searchStringLength == 1)
{
newStartIndex = iCount;
break;
}
else if (iCount >= searchStringLength - 1)
{
for (int iCount2 = searchStringLength - 2; iCount2 >= 0; iCount2--)
{
DomElement element2 = content[iCount - searchStringLength + iCount2 + 1];
if (element2 is DomCharElement)
{
if (EqualsChar(
((DomCharElement)element2).CharValue,
args.SearchString[iCount2],
args.IgnoreCase))
{
if (iCount2 == 0)
{
newStartIndex = iCount - searchStringLength + 1;
goto EndSetNewStartIndex;
}
}
else
{
break;
}
}
else
{
break;
}
}
}
}
}
}//for
}
EndSetNewStartIndex :;
if (setSelection)
{
if (newStartIndex >= 0)
{
content.SetSelection(newStartIndex, args.SearchString.Length);
}
}
return(newStartIndex);
}
/// <summary>
/// 更新文内容选择状态
/// </summary>
/// <param name="startIndex">选择区域的起始位置</param>
/// <param name="length">选择区域的包含文档内容元素的个数</param>
/// <param name="raiseEvent">是否触发文档事件</param>
/// <returns>成功的改变了选择区域状态</returns>
internal bool Refresh(int startIndex, int length)
{
if (_NativeStartIndex == startIndex &&
_NativeLength == length &&
this.DocumentContent.OwnerDocument.ContentVersion == _ContentVersion &&
this.Content.LineEndFlag == _LineEndFlag)
{
return(false);
}
if (startIndex == 0 || startIndex + length == 0)
{
System.Console.Write("");
}
if (startIndex < 0)
{
System.Console.WriteLine("");
throw new ArgumentOutOfRangeException("startIndex=" + startIndex);
}
_SelectionVersion++;
this.Document.EditorCurrentStyle = null;
//if (startIndex == 872)
//{
// System.Console.WriteLine("");
//}
// 备份原先被选择的元素的列表
DomElementList contentElementsBack = _ContentElements.Clone();
_ContentElements = new DomElementList();
_ContentVersion = this.DocumentContent.OwnerDocument.ContentVersion;
if (startIndex == 0 && length == 0)
{
_NativeStartIndex = 0;
_NativeLength = 0;
_StartIndex = 0;
_Length = 0;
_LineEndFlag = this.Content.LineEndFlag;
this._Mode = ContentRangeMode.Content;
_ContentElements = new DomElementList();
//return true;
}
else
{
_NativeStartIndex = startIndex;
_NativeLength = length;
_LineEndFlag = this.Content.LineEndFlag;
DomContent content = this.Content;
_Mode = ContentRangeMode.Content;
// 选择区域经过的单元格列表
DomElementList spanElements = new DomElementList();
// 所经过的单元格个数
int cellCount = 0;
//XTextElementList spanCells = new XTextElementList();
// 是否有不包含在表格单元格中的文档内容元素
bool hasContentElement = false;
int absStartIndex = length > 0 ? startIndex : startIndex + length;
int absLength = Math.Abs(length);
int lengthFix = 1;
if (content.LineEndFlag && length < 0)
{
lengthFix = 0;
}
// 遍历所有的文档元素，查找所经过的单元格
for (int iCount = 0; iCount < absLength + lengthFix; iCount++)
{
if (absStartIndex + iCount >= content.Count)
{
break;
//System.Console.Write("");
}
DomElement element = content[absStartIndex + iCount];
if (element.Parent == this.DocumentContent)
{
spanElements.Add(element);
hasContentElement = true;
}
else
{
spanElements.Add(element);
hasContentElement = true;
}
}//for
// 首先判断内容模式
_Mode = ContentRangeMode.Content;
// 选择纯文档内容
_ContentElements = content.GetRange(absStartIndex, absLength);
_StartIndex = startIndex;
_Length = length;
if (length == 0 || _ContentElements.Count == 0)
{
_StartIndex = startIndex;
_Length = length;
}
else
{
if (length > 0)
{
_StartIndex = _ContentElements[0].ViewIndex;
_Length = _ContentElements.Count;
content.LineEndFlag = false;
}
else
{
_StartIndex = _ContentElements.LastElement.ViewIndex + 1;
_Length = 0 - _ContentElements.Count;
{
System.Console.Write("");
}
}
_LineEndFlag = content.LineEndFlag;
}
}//if
if (this.Mode == ContentRangeMode.Content || this.Mode == ContentRangeMode.Mixed)
{
// 让选择状态发生改变的文档内容元素用户界面无效，需要重新绘制
if (contentElementsBack != null && contentElementsBack.Count > 0)
{
foreach (DomElement element in contentElementsBack)
{
if (_ContentElements.Contains(element) == false)
{
element.InvalidateView();
}
}
}
if (_ContentElements.Count > 0)
{
foreach (DomElement element in _ContentElements)
{
if (contentElementsBack == null ||
contentElementsBack.Contains(element) == false)
{
element.InvalidateView();
}
}
}
}
if (this.StartIndex == -1)
{
System.Console.WriteLine("");
}
return(true);
}
