public void Refresh(DomDocumentContentElement element, DomElement startElement, DomElement endElement)
{
_Document = element.OwnerDocument;
_Elements = element.Content;
_StartElement = startElement;
_EndElement = endElement;
_StateInvalidate = true;
_ContentVersion++;
if (_Document != null)
{
// 清空用户指定的样式
//_Document._UserSpecifyStyle = null;
}
}
/// <summary>
/// 设置文本
/// </summary>
/// <param name="newText">新文本</param>
/// <param name="flags">标记</param>
/// <param name="disablePermissioin">禁止权限控制</param>
/// <returns>操作是否修改了对象内容</returns>
public bool SetEditorTextExt(string newText, DomAccessFlags flags, bool disablePermissioin, bool updateContent)
{
bool result = false;
if (this.OwnerDocument != null)
{
string oldText = this.Text;
if (oldText == null || oldText != newText)
{
// 为了提高效率，只有出现不同的文本才进行文本替换操作
bool innerLogUndo = this.OwnerDocument.CanLogUndo;
if (innerLogUndo == false)
{
this.OwnerDocument.BeginLogUndo();
}
if (string.IsNullOrEmpty(newText))
{
// 直接设置空内容
ReplaceElementsArgs args = new ReplaceElementsArgs(
this,
0,
this.Elements.Count,
null,
true,
true,
true);
args.DisablePermission = disablePermissioin;
args.AccessFlags = flags;
args.ChangeSelection = false;
args.UpdateContent = updateContent;
if (args.DisablePermission == false &&
this.OwnerDocument.Options.SecurityOptions.EnablePermission)
{
// 很多时候，本属性是为下拉列表文本输入域调用的，此时输入域前面的文本可能是被
// 当前用户输入的，后面的元素已经被逻辑删除了，此时应该应该是执行物理删除，
// 在此进行判断，修正删除区间。
for (int iCount = 0; iCount < this.Elements.Count; iCount++)
{
DomElement element = this.Elements[iCount];
if (element.Style.DeleterIndex >= 0)
{
bool fix = true;
for (int iCount2 = iCount; iCount2 < this.Elements.Count; iCount2++)
{
if (this.Elements[iCount2].Style.DeleterIndex < 0)
{
fix = false;
break;
}
}
if (fix)
{
args.DeleteLength = iCount;
}
break;
}
}//for
}
result = this.OwnerDocument.ReplaceElements(args) != 0;
}
else
{
// 设置文本内容
DomElementList list = this.OwnerDocument.CreateTextElements(newText, null, this.Style);
if (list != null && list.Count > 0)
{
ReplaceElementsArgs args = new ReplaceElementsArgs(
this,
0,
this.Elements.Count,
list,
true,
true,
true);
args.DisablePermission = disablePermissioin;
args.AccessFlags = flags;
args.ChangeSelection = false;
args.UpdateContent = updateContent;
if (args.DisablePermission == false &&
this.OwnerDocument.Options.SecurityOptions.EnablePermission)
{
// 很多时候，本属性是为下拉列表文本输入域调用的，此时输入域前面的文本可能是被
// 当前用户输入的，后面的元素已经被逻辑删除了，此时应该应该是执行物理删除，
// 在此进行判断，修正删除区间。
for (int iCount = 0; iCount < this.Elements.Count; iCount++)
{
DomElement element = this.Elements[iCount];
if (element.Style.DeleterIndex >= 0)
{
bool fix = true;
for (int iCount2 = iCount; iCount2 < this.Elements.Count; iCount2++)
{
if (this.Elements[iCount2].Style.DeleterIndex < 0)
{
fix = false;
break;
}
}
if (fix)
{
args.DeleteLength = iCount;
}
break;
}
}//for
}
result = this.OwnerDocument.ReplaceElements(args) != 0;
}
}
if (innerLogUndo == false)
{
if (result)
{
this.OwnerDocument.EndLogUndo();
}
else
{
this.OwnerDocument.CancelLogUndo();
}
}
if (result)
{
this.OwnerDocument.OnDocumentContentChanged();
this.OwnerDocument.OnSelectionChanged();
}
}
}
else
{
DomElementList list = this.SetInnerTextFast(newText);
result = list != null && list.Count > 0;
}
return(result);
}
public DomRange(DomDocumentContentElement element, DomElement startElement, DomElement endElement)
{
Refresh(element, startElement, endElement);
}
/// <summary>
/// 刷新状态
/// </summary>
/// <returns>操作是否成功</returns>
public bool RefreshState()
{
if (this.Count == 0)
{
return(false);
}
DocumentControler controler = null;
foreach (DomElement element in this)
{
if (element.OwnerDocument != null)
{
controler = element.OwnerDocument.DocumentControler;
break;
}
}
//XTextParagraphFlagElement pe = this.LastElement as XTextParagraphFlagElement ;
//if( pe != null )
//{
// pe.RefreshSize2( this.SafeGet( this.Count - 2 ));
//}
DomLineBreakElement lb = this.LastElement as DomLineBreakElement;
if (lb != null)
{
lb.RefreshSize2(this.SafeGet(this.Count - 2));
}
// if( this.Count == 1 )
// {
// XTextElement element = this[ 0 ];
// this.intHeight = element.Height + LineHeighFix + this.LineSpacing ;
// element.Left = this.intMargin ;
// element.Top = 0 ;
// return true ;
// }
this._ContentHeight = -1;
float contentWidth = 0;
float lineHeight = 10;
foreach (DomElement element in this)
{
contentWidth = contentWidth + this.Spacing + element.Width;
element.WidthFix = 0;
float eh = element.Height;
//if (element is XTextCharElement)
//{
// XTextCharElement chr = (XTextCharElement)element;
// eh = Math.Max(eh, chr._FontHeight);
//}
if (eh > lineHeight)
{
lineHeight = eh;
}
element.OwnerLine = this;
}//foreach
contentWidth -= this.Spacing;
this.Height = ( float )Math.Ceiling(lineHeight + LineHeighFix);
// if( EOF != null )
// EOF.Height = this.intHeight ;
bool CanFix = true;
if (this.Count == 1)
{
CanFix = false;
}
else
{
if (this.HasLineEndElement)// this.OwnerDocument.IsNewLine( this.LastElement ) || this.LastElement is XTextEOF )
{
CanFix = false;
}
else if (this.OwnerContentElement.PrivateLines.LastLine == this)
{
CanFix = false;
}
}
DocumentContentAlignment align = this.Align;
// 元素空白平均修正量
float fix = 0;
// 总空白量
float Blank = this.Width - this.PaddingLeft - contentWidth;
if (Blank < 0)
{
return(false);
}
if (CanFix)
{
// 计算由于元素分组而损失的空白区域个数
// 文档中连续的英文和数字字符之间没有修正空白,制表符和书签也拒绝修正空白
// 由于存在拒绝修正空白,导致空白分摊的元素减少,此处就修正这种空白分摊元素
// 减少而带来的影响
int GroupFix = 0;
for (int iCount = 0; iCount < this.Count; iCount++)
{
DomCharElement c = this[iCount] as DomCharElement;
if (c != null)
{
if (c.CharValue == '\t')
{
GroupFix++;
}
else if (iCount < this.Count - 1)
{
if (controler.IsEnglishLetterOrDigit(c.CharValue))
{
DomCharElement c2 = this[iCount + 1] as DomCharElement;
if (c2 != null &&
controler.IsEnglishLetterOrDigit(c2.CharValue))
{
GroupFix++;
}
}
}
}
}
if (GroupFix > this.Count - 2)
{
GroupFix = 0;
}
if (this.Count > 1)
{
fix = (int)Math.Ceiling(Blank / (this.Count - 1.0 - GroupFix));
}
if (fix < 0)
{
fix = 0;
}
align = DocumentContentAlignment.Justify;
}
else
{
fix = 0;
}
float leftCount = 0;
if (align == DocumentContentAlignment.Left)
{
leftCount = this.PaddingLeft;
}
else if (align == DocumentContentAlignment.Center)
{
leftCount = this.PaddingLeft + (this.Width - this.PaddingLeft - contentWidth) / 2;
}
else if (align == DocumentContentAlignment.Right)
{
leftCount = this.PaddingLeft + (this.Width - this.PaddingLeft - contentWidth);
}
else
{
leftCount = this.PaddingLeft;
}
//foreach( XTextElement element in this )
for (int iCount = 0; iCount < this.Count; iCount++)
{
DomElement element = this[iCount];
element.Left = leftCount;
float ctf = ContentTopFix;
//if (this.AdditionHeight < 0)
//{
// ctf = ctf + this.AdditionHeight;
//}
switch (this.VerticalAlign)
{
case VerticalAlignStyle.Top:
element.Top = ContentTopFix;
break;
case VerticalAlignStyle.Middle:
element.Top = ContentTopFix + (lineHeight - element.Height) / 2.0f;
break;
case VerticalAlignStyle.Bottom:
element.Top = ctf + lineHeight - element.Height;
break;
case VerticalAlignStyle.Justify:
element.Top = ContentTopFix + (lineHeight - element.Height) / 2.0f;
break;
default:
element.Top = ctf + lineHeight - element.Height;
break;
}//switch
//bool IsTab = false ;
bool FixFlag = true;
// TAB制表符不接收修正空隙
if (element is DomCharElement)
{
DomCharElement c = ( DomCharElement )element;
if (c.CharValue == '\t')
{
FixFlag = false;
}
else if (iCount < this.Count - 1)
{
if (controler.IsEnglishLetterOrDigit(c.CharValue))
{
DomCharElement c2 = this[iCount + 1] as DomCharElement;
if (c2 != null &&
controler.IsEnglishLetterOrDigit(c2.CharValue))
{
FixFlag = false;
}
}
}
}
// // 出现拒绝修正情况,重新计算平均修正空隙
// if( CanFix && FixFlag == false )
// {
// if( iCount < this.Count - 2 )
// {
// Blank = ( this.intWidth - LeftCount - element.Width ) ;
// for( int iCount2 = iCount + 1 ; iCount2 < this.Count ; iCount2 ++ )
// {
// Blank -= this[ iCount ].Width ;
// }
// if( Blank > 0 )
// {
// fix = Blank / ( this.Count - iCount - 1.0 );
// }
// else
// fix = 0 ;
// }
// }
// else if( element is XTextNull )
// {
// // 若元素是没有实际意义的占位符合则不接收修正空隙
// FixFlag = false;
// }
if (CanFix && FixFlag)
{
if (Blank < fix)
{
fix = Blank;
}
element.WidthFix = fix + _Spacing;
Blank -= fix;
if (Blank <= 0)
{
fix = 0;
Blank = 0;
}
}
else
{
element.WidthFix = _Spacing;
}
leftCount = leftCount + element.Width + element.WidthFix;
}
//this.Height += this.LineSpacing ;
return(true);
}
//private ParagraphListStyle _L
//private float _LeftCount = 0 ;
internal bool AddElement(DomElement element)
{
if (this.Count == 0)
{
//intLeftCount = 0 ;
this.List.Add(element);
{
DomParagraphFlagElement p = element.OwnerParagraphEOF;
if (p != null)
{
DocumentContentStyle rs = p.RuntimeStyle;
if (element == p.ParagraphFirstContentElement)
{
if (rs.NumberedList || rs.BulletedList)
{
this.PaddingLeft = rs.LeftIndent;
if (rs.NumberedList)
{
this.ParagraphListStyle = ParagraphListStyle.NumberedList;
}
else if (rs.BulletedList)
{
this.ParagraphListStyle = ParagraphListStyle.BulletedList;
}
this.ParagraphStyleIndex = p.ListIndex;
}
this.PaddingLeft = rs.LeftIndent + rs.FirstLineIndent;
}
else
{
this.PaddingLeft = rs.LeftIndent;
}
}
else
{
this.PaddingLeft = 0;
}
}
element.Left = this.PaddingLeft;
if (this.ParagraphListStyle == Dom.ParagraphListStyle.BulletedList ||
this.ParagraphListStyle == Dom.ParagraphListStyle.NumberedList)
{
DomParagraphListItemElement item = new DomParagraphListItemElement();
DocumentContentStyle rs = element.RuntimeStyle;
float size = rs.Font.GetHeight(element.OwnerDocument.DocumentGraphicsUnit);
item.Width = size;
item.Height = size;
if (this.ParagraphListStyle == Dom.ParagraphListStyle.NumberedList)
{
item.Width = item.Width * 2;
}
item.OwnerDocument = element.OwnerDocument;
item.StyleIndex = element.StyleIndex;
this.Insert(0, item);
// float size = rs.Font.GetHeight(
}
//intLeftCount = intLeftCount + element.Width + this.intSpacing ;
//element.OwnerLine = this ;
return(true);
}
float WidthCount = this.ContentWidth;
if ((element is DomParagraphFlagElement) == false)
{
// 在排版中段落元素不计宽度，可以无条件的添加到文档行中。
if (WidthCount + element.Width + this._Spacing > this.Width - this.PaddingLeft)
{
return(false);
}
}
DomElement PreElement = ( DomElement )this.List[this.Count - 1];
element.Left = PreElement.Left + PreElement.Width + this._Spacing;
this.List.Add(element);
//intLeftCount = intLeftCount + element.Width + this.intSpacing ;
//element.OwnerLine = this ;
return(true);
}
/// <summary>
/// 绘制文档元素背景
/// </summary>
/// <param name="element">文档元素对象</param>
/// <param name="args">参数</param>
/// <param name="bounds">要绘制背景的区域</param>
public virtual void DrawBackground(
DomElement element,
DocumentPaintEventArgs args,
RectangleF bounds)
{
if (bounds.IsEmpty)
{
// 不绘制图形
return;
}
DocumentContentStyle rs = null;
if (element.Parent != null)
{
rs = element.Parent.GetContentBackgroundStyle(element);
}
if (rs == null)
{
rs = element.RuntimeStyle;
}
System.Drawing.Color c = rs.BackgroundColor;
if (c.A != 0)
{
System.Drawing.SolidBrush b = GraphicsObjectBuffer.GetSolidBrush(c);
bounds = System.Drawing.RectangleF.Intersect(bounds, args.ClipRectangleF);
if (!bounds.IsEmpty)
{
args.Graphics.FillRectangle(b, bounds);
return;
}
}
HighlightInfo highlight = null;
if (args.ActiveMode && args.RenderStyle == DocumentRenderStyle.Paint)
{
highlight = this.Document.HighlightManager[element];
}
if (highlight != null)
{
if (args.RenderStyle == DocumentRenderStyle.Print &&
highlight.ActiveStyle != HighlightActiveStyle.AllTime)
{
// 当进行打印时不显示不能打印的高亮度色
return;
}
// 如果需要高亮度显示
// 则绘制高亮度背景
bounds = RectangleF.Intersect(bounds, args.ClipRectangleF);
if (highlight.BackColor.A != 0)
{
if (!bounds.IsEmpty)
{
args.Graphics.FillRectangle(
GraphicsObjectBuffer.GetSolidBrush(highlight.BackColor),
bounds);
}
}
}
}
/// <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>
/// 输出一个元素
/// </summary>
/// <param name="element">元素对象</param>
public virtual void WriteElement(DomElement element)
{
}
/// <summary>
/// 复制对象
/// </summary>
/// <param name="Deeply">是否深入复制子元素</param>
/// <returns>复制品</returns>
public virtual DomElement Clone(bool Deeply)
{
DomElement element = ( DomElement )this.MemberwiseClone();
return(element);
}
/// <summary>
/// 初始化对象
/// </summary>
/// <param name="doc">文档对象</param>
/// <param name="e">元素</param>
/// <param name="link">链接目标</param>
public LinkClickEventArgs(DomDocument doc, DomElement e, string link)
{
myDocument = doc;
myElement = e;
strLink = link;
}
public virtual bool IsVisible(DomElement element)
{
return(true);
}
/// <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);
}
/// <summary>
/// 判断元素是否包含在区域中
/// </summary>
/// <param name="element">元素对象</param>
/// <returns>是否包含在区域中</returns>
public bool Contains(DomElement element)
{
{
return(_ContentElements.Contains(element));
}
}
/// <summary>
/// 元素是否处于选择状态
/// </summary>
/// <param name="element">元素对象</param>
/// <returns>是否选择</returns>
public virtual bool IsSelected(DomElement element)
{
return(_Selection.Contains(element));
}
/// <summary>
/// 设置容器元素的可见性
/// </summary>
/// <param name="visible">新的可见性</param>
/// <param name="fastMode">是否启用快速模式，当使用快速模式时，
/// 只更新DOM结构，不更新用户界面视图</param>
/// <returns>操作是否成功</returns>
public virtual bool EditorSetVisible(bool visible, bool fastMode)
{
bool result = false;
bool oldVisible = this.Visible;
if (oldVisible != visible)
{
this.Visible = visible;
bool visible2 = this.Visible;
if (visible2 == visible)
{
this.InvalidateView();
// 成功的修改了元素的可见性
if (visible)
{
this.OwnerDocument.HighlightManager.InvalidateHighlightInfo(this);
}
else
{
this.OwnerDocument.HighlightManager.Remove(this);
}
result = true;
DomElement fc = this.FirstContentElement;
DomElement lc = this.LastContentElement;
DomContentElement content = this.ContentElement;
int startIndex = 0;
DomElement preElement = content.PrivateContent.GetPreElement(fc);
if (oldVisible)
{
startIndex = content.PrivateContent.IndexOf(fc);
}
this.UpdateContentVersion();
DomDocumentContentElement dce = this.DocumentContentElement;
DomElement currentElementBack = dce.CurrentElement;
content.UpdateContentElements(true);
if (oldVisible == false)
{
startIndex = content.PrivateContent.IndexOf(fc);
}
else
{
if (preElement != null && content.PrivateContent.Contains(preElement))
{
startIndex = content.PrivateContent.IndexOf(preElement);
}
}
content.RefreshPrivateContent(startIndex, -1, fastMode);
if (fastMode == false)
{
if (currentElementBack != null)
{
int index = dce.Content.IndexOf(currentElementBack);
if (index >= 0)
{
}
}
}
}
}
return(result);
}
/// <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>
public bool SetSelection(int startIndex, int length)
{
int oldSelectionStart = this.Selection.StartIndex;
int oldSelectionLength = this.Selection.Length;
// 修正旧的选择区域
// 由于执行了某些操作改变了文档内容但没有更新选择区域，因此旧的选择区域可能超出文档范围，
// 在此进行修正。
this.Content.FixRange(ref oldSelectionStart, ref oldSelectionLength);
if (this.Selection.NeedRefresh(startIndex, length))
{
// 触发文档对象的OnSelectionChanging事件
SelectionChangingEventArgs args = new SelectionChangingEventArgs();
args.Documnent = this.OwnerDocument;
args.OldSelectionIndex = this.Selection.StartIndex;
args.OldSelectionLength = this.Selection.Length;
args.NewSelectionIndex = startIndex;
args.NewSelectionLength = length;
this.OwnerDocument.OnSelectionChanging(args);
if (args.Cancel)
{
// 用户取消操作
return(false);
}
// 使用用户设置的新的选择区域配置
startIndex = args.NewSelectionIndex;
length = args.NewSelectionLength;
if (this.Selection.Refresh(startIndex, length))
{
if (this.OwnerDocument.EditorControl != null)
{
//this.OwnerDocument.EditorControl.Invalidate();
this.OwnerDocument.EditorControl.UpdateTextCaret();
}
DomElement oldCurrentElement = this.Content[oldSelectionStart];
RaiseFocusEvent(
this.Content.SafeGet(oldSelectionStart),
this.Content.SafeGet(this.Selection.StartIndex));
//XTextElementList oldParents = WriterUtils.GetParentList(this.Content[oldSelectionStart]);
//XTextElementList newParents = WriterUtils.GetParentList(this.Content[this.Selection.StartIndex]);
//// 触发旧的容器元素的失去输入焦点事件
//foreach (XTextElement oldParent in oldParents)
//{
// if (newParents.Contains(oldParent) == false)
// {
// ((XTextContainerElement)oldParent).OnLostFocus(this, EventArgs.Empty);
// //DocumentEventArgs args2 = new DocumentEventArgs(
// // this.OwnerDocument,
// // oldParent,
// // DocumentEventStyles.LostFocus);
// //oldParent.HandleDocumentEvent(args2);
// }
//}
//// 触发新的容器元素的获得输入焦点事件
//foreach (XTextElement newParent in newParents)
//{
// if (oldParents.Contains(newParent) == false)
// {
// ((XTextContainerElement)newParent).OnGotFocus(this, EventArgs.Empty);
// //DocumentEventArgs args2 = new DocumentEventArgs(
// // this.OwnerDocument,
// // newParent,
// // DocumentEventStyles.GotFocus);
// //newParent.HandleDocumentEvent(args2);
// }
//}
// 触发文档对象的选择区域发生改变事件
this.OwnerDocument.OnSelectionChanged( );
return(true);
}
}
return(false);
}
/// <summary>
/// 绘制授权状态标记
/// </summary>
/// <param name="element">文档元素对象</param>
/// <param name="args">参数</param>
public virtual void DrawPermissionMark(DomElement element, DocumentPaintEventArgs args)
{
DocumentContentStyle style = element.Style;
if (style.DeleterIndex >= 0)
{
DomContentLine line = element.OwnerLine;
RectangleF bounds = new RectangleF(
element.AbsLeft,
line.AbsTop,
element.Width + element.WidthFix,
line.Height);
int level = element.DeleterPermissionLevel;
if (level >= 0)
{
if (level == 0)
{
args.Graphics.DrawLine(
Pens.Blue,
bounds.Left,
bounds.Top + bounds.Height / 2,
bounds.Right,
bounds.Top + bounds.Height / 2);
}
else
{
float step = bounds.Height / (level + 1);
for (int iCount = 1; iCount <= level; iCount++)
{
args.Graphics.DrawLine(
Pens.Red,
bounds.Left,
bounds.Top + step * iCount,
bounds.Right,
bounds.Top + step * iCount);
}//for
}
}
}
else if (style.CreatorIndex >= 0)
{
DomContentLine line = element.OwnerLine;
RectangleF bounds = new RectangleF(
element.AbsLeft,
line.AbsTop,
element.Width + element.WidthFix,
line.Height);
int level = element.CreatorPermessionLevel;
if (level > 0)
{
if (level == 1)
{
args.Graphics.DrawLine(Pens.Blue, bounds.Left, bounds.Bottom, bounds.Right, bounds.Bottom);
}
else
{
args.Graphics.DrawLine(Pens.Blue, bounds.Left, bounds.Bottom, bounds.Right, bounds.Bottom);
args.Graphics.DrawLine(Pens.Blue, bounds.Left, bounds.Bottom - 6, bounds.Right, bounds.Bottom - 6);
}
}
}
}