/// <summary>
/// 设置文档内容的样式
/// </summary>
/// <param name="newStyle">新样式</param>
/// <param name="logUndo">是否记录撤销操作信息</param>
public virtual void EditorSetContentStyle(DocumentContentStyle newStyle, bool logUndo)
{
if (newStyle == null)
{
throw new ArgumentNullException("newStyle");
}
DomElementList list = new DomElementList();
list.Add(this);
this.AppendContent(list, true);
if (logUndo)
{
this.OwnerDocument.BeginLogUndo();
}
bool result = DomSelection.SetElementStyle(newStyle, this.OwnerDocument, list);
if (logUndo)
{
this.OwnerDocument.EndLogUndo();
}
if (result)
{
this.OwnerDocument.EditorCurrentStyle = null;
this.OwnerDocument.OnSelectionChanged();
this.OwnerDocument.OnDocumentContentChanged();
}
}
public DomElementList DeeplyClone( )
{
this.CheckEOF(-1);
DomElementList list = new DomElementList();
foreach (DomElement element in this)
{
list.Add(element.Clone(true));
}
return(list);
}
/// <summary>
/// 获得区域包含的元素列表
/// </summary>
/// <returns>创建的元素列表</returns>
public DomElementList GetElements()
{
CheckState();
DomElementList result = new DomElementList();
for (int iCount = 0; iCount < _Length; iCount++)
{
result.Add(this._Elements[_StartIndex + iCount]);
}
return(result);
}
/// <summary>
/// 复制对象
/// </summary>
/// <returns>复制品</returns>
public DomElementList Clone()
{
DomElementList list = (DomElementList)System.Activator.CreateInstance(this.GetType());
list.bolCanDeleteEOF = this.bolCanDeleteEOF;
list.bolFastRemoveFlag = this.bolFastRemoveFlag;
list.myEOFElement = this.myEOFElement;
list.myOwnerElement = this.myOwnerElement;
foreach (DomElement e in this)
{
list.Add(e);
}
return(list);
}
private void GetContentElements(DomContainerElement rootElement, DomElementList result)
{
foreach (DomElement element in rootElement.Elements)
{
if (element is DomContentElement)
{
result.Add(element);
}
if (element is DomContainerElement)
{
GetContentElements((DomContainerElement)element, result);
}
}
}
/// <summary>
/// 添加子元素
/// </summary>
/// <param name="element">新添加的元素</param>
public virtual bool AppendChildElement(DomElement element)
{
if (element != null)
{
if (_Elements.Contains(element) == false)
{
_Elements.Add(element);
}
element.Parent = this;
element.OwnerDocument = this.OwnerDocument;
return(true);
}
return(false);
}
private void MyAddRange(DomElementList list, DomElementList content)
{
foreach (DomElement element in content)
{
{
if (list.Contains(element))
{
// 已经添加过内容了，立即退出函数
return;
}
list.Add(element);
}
}
}
// /// <summary>
// /// 获得指定元素的前一个元素
// /// </summary>
// /// <param name="refElement">指定的元素</param>
// /// <returns>该元素的前一个元素若没找到则返回空</returns>
// public XTextElement GetPreElement( XTextElement refElement)
// {
// int index = this.IndexOf( refElement );
// return SafeGet( index - 1 );
// }
//
// /// <summary>
// /// 获得指定元素的后一个元素
// /// </summary>
// /// <param name="refElement">指定的元素</param>
// /// <returns>该元素的前一个元素，若没有找到则返回空</returns>
// public XTextElement GetNextElement( XTextElement refElement )
// {
// int index = this.IndexOf( refElement );
// if( index >= 0 )
// return SafeGet( index + 1 );
// else
// return null;
// }
/// <summary>
/// 获得子列表
/// </summary>
/// <param name="startIndex">开始元素的序号</param>
/// <param name="length">元素的个数</param>
/// <returns>获得的子列表</returns>
public DomElementList GetElements(int startIndex, int length)
{
if (startIndex <= 0)
{
throw new ArgumentException("startIndex");
}
DomElementList list = new DomElementList();
int endIndex = Math.Min(this.Count - 1, startIndex + length - 1);
for (int iCount = startIndex; iCount <= endIndex; iCount++)
{
list.Add(this[iCount]);
}
return(list);
}
/// <summary>
/// 将对象拆分成若干个字符元素对象
/// </summary>
/// <returns>拆分所得的字符元素对象列表</returns>
internal DomElementList SplitChars()
{
DomElementList list = new DomElementList();
string txt = myText.ToString();
foreach (char c in txt)
{
DomCharElement NewChar = this.OwnerDocument.CreateChar(c, this.StyleIndex);
if (NewChar != null)
{
NewChar.StyleIndex = this.StyleIndex;
NewChar.Parent = this.Parent;
list.Add(NewChar);
}
}
return(list);
}
/// <summary>
/// 将对象内容添加到文档内容中
/// </summary>
/// <param name="content">文档内容对象</param>
/// <returns>添加的文档元素个数</returns>
public virtual int AppendContent(DomElementList content, bool privateMode)
{
int result = 0;
foreach (DomElement element in this.Elements)
{
element.Parent = this;
if (element.Visible)
{
if (element is DomContainerElement)
{
DomContainerElement c = (DomContainerElement)element;
result = result + c.AppendContent(content, privateMode);
}
else
{
content.Add(element);
result++;
}
}//if
} //foreach
return(result);
}
/// <summary>
/// 设置多个元素的样式
/// </summary>
/// <param name="newStyle">新样式</param>
/// <param name="document">文档对象</param>
/// <param name="elements">要设置的元素列表</param>
/// <returns>操作是否成功</returns>
internal static bool SetElementStyle(
DocumentContentStyle newStyle,
DomDocument document,
System.Collections.IEnumerable elements)
{
if (newStyle == null)
{
throw new ArgumentNullException("newStyle");
}
if (document == null)
{
throw new ArgumentNullException("document");
}
if (elements == null)
{
throw new ArgumentNullException("elements");
}
if (document.Options.SecurityOptions.EnablePermission)
{
// 运行授权控制，向样式信息添加用户信息
newStyle.DisableDefaultValue = false;
newStyle.CreatorIndex = document.UserHistories.CurrentIndex;
newStyle.DeleterIndex = -1;
}
else
{
// 去除授权控制相关信息
newStyle.DisableDefaultValue = false;
newStyle.CreatorIndex = -1;
newStyle.DeleterIndex = -1;
}
Dictionary <DomElement, int> newStyleIndexs
= new Dictionary <DomElement, int>();
DomElementList parents = new DomElementList();
DomElement lastParent = null;
foreach (DomElement element in elements)
{
DomElement parent = element.Parent;
//if (parent != lastParent)
{
// 记录所有涉及到的父元素
lastParent = parent;
bool addParent = false;
//if (element is XTextFieldBorderElement)
//{
// addParent = true;
//}
//else
if (addParent)
{
if (parents.Contains(element.Parent) == false)
{
parents.Add(element.Parent);
}
}
}//if
DocumentContentStyle rs = (DocumentContentStyle)element.RuntimeStyle.Clone();
if (XDependencyObject.MergeValues(newStyle, rs, true) > 0)
{
rs.DefaultValuePropertyNames = newStyle.GetDefaultValuePropertyNames();
int styleIndex = document.ContentStyles.GetStyleIndex(rs);
if (styleIndex != element.StyleIndex)
{
newStyleIndexs[element] = styleIndex;
}
if (element.ShadowElement != null && styleIndex != element.ShadowElement.StyleIndex)
{
newStyleIndexs[element.ShadowElement] = styleIndex;
}
}
}//foreach
if (parents.Count > 0)
{
// 对涉及到的父元素设置样式
foreach (DomElement element in parents)
{
DocumentContentStyle rs = (DocumentContentStyle)element.RuntimeStyle.Clone();
if (XDependencyObject.MergeValues(newStyle, rs, true) > 0)
{
rs.DefaultValuePropertyNames = newStyle.GetDefaultValuePropertyNames();
int styleIndex = document.ContentStyles.GetStyleIndex(rs);
if (styleIndex != element.StyleIndex)
{
newStyleIndexs[element] = styleIndex;
}
}
}
}
if (newStyleIndexs.Count > 0)
{
DomElementList result = document.EditorSetElementStyle(newStyleIndexs, true);
if (result != null && result.Count > 0)
{
return(true);
}
}
return(false);
}
/// <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);
}
