DocumentServer/OfficeWeb/sdk/Word/Editor/Comments.js

/*
 * (c) Copyright Ascensio System SIA 2010-2015
 *
 * This program is a free software product. You can redistribute it and/or 
 * modify it under the terms of the GNU Affero General Public License (AGPL) 
 * version 3 as published by the Free Software Foundation. In accordance with 
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect 
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied 
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For 
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
 * EU, LV-1021.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under 
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */
 "use strict";
function CCommentData() {
    this.m_sText = "";
    this.m_sTime = "";
    this.m_sUserId = "";
    this.m_sUserName = "";
    this.m_sQuoteText = null;
    this.m_bSolved = false;
    this.m_aReplies = [];
    this.Copy = function () {
        var NewData = new CCommentData();
        NewData.m_sText = this.m_sText;
        NewData.m_sTime = this.m_sTime;
        NewData.m_sUserId = this.m_sUserId;
        NewData.m_sUserName = this.m_sUserName;
        NewData.m_sQuoteText = this.m_sQuoteText;
        NewData.m_bSolved = this.m_bSolved;
        var Count = this.m_aReplies.length;
        for (var Pos = 0; Pos < Count; Pos++) {
            NewData.m_aReplies.push(this.m_aReplies[Pos].Copy());
        }
        return NewData;
    };
    this.Add_Reply = function (CommentData) {
        this.m_aReplies.push(CommentData);
    };
    this.Set_Text = function (Text) {
        this.m_sText = Text;
    };
    this.Get_Text = function () {
        return this.m_sText;
    };
    this.Get_QuoteText = function () {
        return this.m_sQuoteText;
    };
    this.Set_QuoteText = function (Quote) {
        this.m_sQuoteText = Quote;
    };
    this.Get_Solved = function () {
        return this.m_bSolved;
    };
    this.Set_Solved = function (Solved) {
        this.m_bSolved = Solved;
    };
    this.Set_Name = function (Name) {
        this.m_sUserName = Name;
    };
    this.Get_Name = function () {
        return this.m_sUserName;
    };
    this.Get_RepliesCount = function () {
        return this.m_aReplies.length;
    };
    this.Get_Reply = function (Index) {
        if (Index < 0 || Index >= this.m_aReplies.length) {
            return null;
        }
        return this.m_aReplies[Index];
    };
    this.Read_FromAscCommentData = function (AscCommentData) {
        this.m_sText = AscCommentData.asc_getText();
        this.m_sTime = AscCommentData.asc_getTime();
        this.m_sUserId = AscCommentData.asc_getUserId();
        this.m_sQuoteText = AscCommentData.asc_getQuoteText();
        this.m_bSolved = AscCommentData.asc_getSolved();
        this.m_sUserName = AscCommentData.asc_getUserName();
        var RepliesCount = AscCommentData.asc_getRepliesCount();
        for (var Index = 0; Index < RepliesCount; Index++) {
            var Reply = new CCommentData();
            Reply.Read_FromAscCommentData(AscCommentData.asc_getReply(Index));
            this.m_aReplies.push(Reply);
        }
    };
    this.Write_ToBinary2 = function (Writer) {
        var Count = this.m_aReplies.length;
        Writer.WriteString2(this.m_sText);
        Writer.WriteString2(this.m_sTime);
        Writer.WriteString2(this.m_sUserId);
        Writer.WriteString2(this.m_sUserName);
        if (null === this.m_sQuoteText) {
            Writer.WriteBool(true);
        } else {
            Writer.WriteBool(false);
            Writer.WriteString2(this.m_sQuoteText);
        }
        Writer.WriteBool(this.m_bSolved);
        Writer.WriteLong(Count);
        for (var Index = 0; Index < Count; Index++) {
            this.m_aReplies[Index].Write_ToBinary2(Writer);
        }
    };
    this.Read_FromBinary2 = function (Reader) {
        this.m_sText = Reader.GetString2();
        this.m_sTime = Reader.GetString2();
        this.m_sUserId = Reader.GetString2();
        this.m_sUserName = Reader.GetString2();
        var bNullQuote = Reader.GetBool();
        if (true != bNullQuote) {
            this.m_sQuoteText = Reader.GetString2();
        } else {
            this.m_sQuoteText = null;
        }
        this.m_bSolved = Reader.GetBool();
        var Count = Reader.GetLong();
        this.m_aReplies.length = 0;
        for (var Index = 0; Index < Count; Index++) {
            var oReply = new CCommentData();
            oReply.Read_FromBinary2(Reader);
            this.m_aReplies.push(oReply);
        }
    };
}
function CCommentDrawingRect(X, Y, W, H, CommentId) {
    this.X = X;
    this.Y = Y;
    this.H = H;
    this.W = W;
    this.CommentId = CommentId;
}
var comment_type_Common = 1;
var comment_type_HdrFtr = 2;
function CComment(Parent, Data) {
    this.Id = g_oIdCounter.Get_NewId();
    this.Parent = Parent;
    this.Data = Data;
    this.m_oTypeInfo = {
        Type: comment_type_Common,
        Data: null
    };
    this.StartId = null;
    this.EndId = null;
    this.m_oStartInfo = {
        X: 0,
        Y: 0,
        H: 0,
        PageNum: 0
    };
    this.Lock = new CLock();
    if (false === g_oIdCounter.m_bLoad) {
        this.Lock.Set_Type(locktype_Mine, false);
        CollaborativeEditing.Add_Unlock2(this);
    }
    this.Copy = function () {
        return new CComment(this.Parent, this.Data.Copy());
    };
    this.Set_StartId = function (ObjId) {
        this.StartId = ObjId;
    };
    this.Set_EndId = function (ObjId) {
        this.EndId = ObjId;
    };
    this.Set_StartInfo = function (PageNum, X, Y, H) {
        this.m_oStartInfo.X = X;
        this.m_oStartInfo.Y = Y;
        this.m_oStartInfo.H = H;
        this.m_oStartInfo.PageNum = PageNum;
    };
    this.Set_Data = function (Data) {
        History.Add(this, {
            Type: historyitem_Comment_Change,
            New: Data,
            Old: this.Data
        });
        this.Data = Data;
    };
    this.Remove_Marks = function () {
        var ObjStart = g_oTableId.Get_ById(this.StartId);
        var ObjEnd = g_oTableId.Get_ById(this.EndId);
        if (ObjStart === ObjEnd) {
            if (null != ObjStart) {
                ObjStart.Remove_CommentMarks(this.Id);
            }
        } else {
            if (null != ObjStart) {
                ObjStart.Remove_CommentMarks(this.Id);
            }
            if (null != ObjEnd) {
                ObjEnd.Remove_CommentMarks(this.Id);
            }
        }
    };
    this.Set_TypeInfo = function (Type, Data) {
        var New = {
            Type: Type,
            Data: Data
        };
        History.Add(this, {
            Type: historyitem_Comment_TypeInfo,
            New: New,
            Old: this.m_oTypeInfo
        });
        this.m_oTypeInfo = New;
        if (comment_type_HdrFtr === Type) {
            var PageNum = Data.Content.Get_StartPage_Absolute();
            this.m_oStartInfo.PageNum = PageNum;
        }
    };
    this.Get_TypeInfo = function () {
        return this.m_oTypeInfo;
    };
    this.Undo = function (Data) {
        var Type = Data.Type;
        switch (Type) {
        case historyitem_Comment_Change:
            this.Data = Data.Old;
            editor.sync_ChangeCommentData(this.Id, this.Data);
            break;
        case historyitem_Comment_TypeInfo:
            this.m_oTypeInfo = Data.Old;
            break;
        }
    };
    this.Redo = function (Data) {
        var Type = Data.Type;
        switch (Type) {
        case historyitem_Comment_Change:
            this.Data = Data.New;
            editor.sync_ChangeCommentData(this.Id, this.Data);
            break;
        case historyitem_Comment_TypeInfo:
            this.m_oTypeInfo = Data.New;
            break;
        }
    };
    this.Refresh_RecalcData = function (Data) {};
    this.Save_Changes = function (Data, Writer) {
        Writer.WriteLong(historyitem_type_Comment);
        var Type = Data.Type;
        Writer.WriteLong(Type);
        switch (Type) {
        case historyitem_Comment_Change:
            Data.New.Write_ToBinary2(Writer);
            break;
        case historyitem_Comment_TypeInfo:
            var Type = Data.New.Type;
            Writer.WriteLong(Type);
            if (comment_type_HdrFtr === Type) {
                var HdrFtr = Data.New.Data;
                Writer.WriteString2(HdrFtr.Get_Id());
            }
            break;
        }
        return Writer;
    };
    this.Save_Changes2 = function (Data, Writer) {
        var bRetValue = false;
        var Type = Data.Type;
        switch (Type) {
        case historyitem_Comment_Change:
            break;
        case historyitem_Comment_TypeInfo:
            break;
        }
        return bRetValue;
    };
    this.Load_Changes = function (Reader, Reader2) {
        var ClassType = Reader.GetLong();
        if (historyitem_type_Comment != ClassType) {
            return;
        }
        var Type = Reader.GetLong();
        switch (Type) {
        case historyitem_Comment_Change:
            this.Data.Read_FromBinary2(Reader);
            editor.sync_ChangeCommentData(this.Id, this.Data);
            break;
        case historyitem_Comment_TypeInfo:
            this.m_oTypeInfo.Type = Reader.GetLong();
            if (comment_type_HdrFtr === this.m_oTypeInfo.Type) {
                var HdrFtrId = Reader.GetString2();
                this.m_oTypeInfo.Data = g_oTableId.Get_ById(HdrFtrId);
            }
            break;
        }
        return true;
    };
    this.Get_Id = function () {
        return this.Id;
    };
    this.Set_Id = function (newId) {
        g_oTableId.Reset_Id(this, newId, this.Id);
        this.Id = newId;
    };
    this.Write_ToBinary2 = function (Writer) {
        Writer.WriteLong(historyitem_type_Comment);
        Writer.WriteString2(this.Id);
        this.Data.Write_ToBinary2(Writer);
        Writer.WriteLong(this.m_oTypeInfo.Type);
        if (comment_type_HdrFtr === this.m_oTypeInfo.Type) {
            Writer.WriteString2(this.m_oTypeInfo.Data.Get_Id());
        }
    };
    this.Read_FromBinary2 = function (Reader) {
        this.Id = Reader.GetString2();
        this.Data = new CCommentData();
        this.Data.Read_FromBinary2(Reader);
        this.m_oTypeInfo.Type = Reader.GetLong();
        if (comment_type_HdrFtr === this.m_oTypeInfo.Type) {
            this.m_oTypeInfo.Data = g_oTableId.Get_ById(Reader.GetString2());
        }
    };
    this.Check_MergeData = function () {
        var bUse = true;
        if (null != this.StartId) {
            var ObjStart = g_oTableId.Get_ById(this.StartId);
            if (true != ObjStart.Is_UseInDocument()) {
                bUse = false;
            }
        }
        if (true === bUse && null != this.EndId) {
            var ObjEnd = g_oTableId.Get_ById(this.EndId);
            if (true != ObjEnd.Is_UseInDocument()) {
                bUse = false;
            }
        }
        if (false === bUse) {
            editor.WordControl.m_oLogicDocument.Remove_Comment(this.Id, true, false);
        }
    };
    g_oTableId.Add(this, this.Id);
}
var comments_NoComment = 0;
var comments_NonActiveComment = 1;
var comments_ActiveComment = 2;
function CComments() {
    this.Id = g_oIdCounter.Get_NewId();
    this.m_bUse = false;
    this.m_aComments = {};
    this.m_sCurrent = null;
    this.Pages = [];
    this.Get_Id = function () {
        return this.Id;
    };
    this.Set_Id = function (newId) {
        g_oTableId.Reset_Id(this, newId, this.Id);
        this.Id = newId;
    };
    this.Set_Use = function (Use) {
        this.m_bUse = Use;
    };
    this.Is_Use = function () {
        return this.m_bUse;
    };
    this.Add = function (Comment) {
        var Id = Comment.Get_Id();
        History.Add(this, {
            Type: historyitem_Comments_Add,
            Id: Id,
            Comment: Comment
        });
        this.m_aComments[Id] = Comment;
    };
    this.Get_ById = function (Id) {
        if ("undefined" != typeof(this.m_aComments[Id])) {
            return this.m_aComments[Id];
        }
        return null;
    };
    this.Remove_ById = function (Id) {
        if ("undefined" != typeof(this.m_aComments[Id])) {
            History.Add(this, {
                Type: historyitem_Comments_Remove,
                Id: Id,
                Comment: this.m_aComments[Id]
            });
            var Comment = this.m_aComments[Id];
            delete this.m_aComments[Id];
            Comment.Remove_Marks();
            return true;
        }
        return false;
    };
    this.Reset_Drawing = function (PageNum) {
        this.Pages[PageNum] = [];
    };
    this.Add_DrawingRect = function (X, Y, W, H, PageNum, CommentId) {
        this.Pages[PageNum].push(new CCommentDrawingRect(X, Y, W, H, CommentId));
    };
    this.Set_Current = function (Id) {
        this.m_sCurrent = Id;
    };
    this.Get_ByXY = function (PageNum, X, Y, Type) {
        var Page = this.Pages[PageNum];
        if (undefined !== Page) {
            var Count = Page.length;
            for (var Pos = 0; Pos < Count; Pos++) {
                var DrawingRect = Page[Pos];
                if (X >= DrawingRect.X && X <= DrawingRect.X + DrawingRect.W && Y >= DrawingRect.Y && Y <= DrawingRect.Y + DrawingRect.H) {
                    var Comment = this.Get_ById(DrawingRect.CommentId);
                    if (null != Comment) {
                        return Comment;
                    }
                }
            }
        }
        return null;
    };
    this.Get_Current = function () {
        if (null != this.m_sCurrent) {
            var Comment = this.Get_ById(this.m_sCurrent);
            if (null != Comment) {
                return Comment;
            }
        }
        return null;
    };
    this.Get_CurrentId = function () {
        return this.m_sCurrent;
    };
    this.Set_CommentData = function (Id, CommentData) {
        var Comment = this.Get_ById(Id);
        if (null != Comment) {
            Comment.Set_Data(CommentData);
        }
    };
    this.Check_MergeData = function () {
        for (var Id in this.m_aComments) {
            this.m_aComments[Id].Check_MergeData();
        }
    };
    this.Undo = function (Data) {
        var Type = Data.Type;
        switch (Type) {
        case historyitem_Comments_Add:
            delete this.m_aComments[Data.Id];
            editor.sync_RemoveComment(Data.Id);
            break;
        case historyitem_Comments_Remove:
            this.m_aComments[Data.Id] = Data.Comment;
            editor.sync_AddComment(Data.Id, Data.Comment.Data);
            break;
        }
    };
    this.Redo = function (Data) {
        var Type = Data.Type;
        switch (Type) {
        case historyitem_Comments_Add:
            this.m_aComments[Data.Id] = Data.Comment;
            editor.sync_AddComment(Data.Id, Data.Comment.Data);
            break;
        case historyitem_Comments_Remove:
            delete this.m_aComments[Data.Id];
            editor.sync_RemoveComment(Data.Id);
            break;
        }
    };
    this.Refresh_RecalcData = function (Data) {};
    this.Save_Changes = function (Data, Writer) {
        Writer.WriteLong(historyitem_type_Comments);
        var Type = Data.Type;
        Writer.WriteLong(Type);
        switch (Type) {
        case historyitem_Comments_Add:
            Writer.WriteString2(Data.Id);
            break;
        case historyitem_Comments_Remove:
            Writer.WriteString2(Data.Id);
            break;
        }
        return Writer;
    };
    this.Save_Changes2 = function (Data, Writer) {
        var bRetValue = false;
        var Type = Data.Type;
        switch (Type) {
        case historyitem_Comments_Add:
            break;
        case historyitem_Comments_Remove:
            break;
        }
        return bRetValue;
    };
    this.Load_Changes = function (Reader, Reader2) {
        var ClassType = Reader.GetLong();
        if (historyitem_type_Comments != ClassType) {
            return;
        }
        var Type = Reader.GetLong();
        switch (Type) {
        case historyitem_Comments_Add:
            var CommentId = Reader.GetString2();
            var Comment = g_oTableId.Get_ById(CommentId);
            this.m_aComments[CommentId] = Comment;
            editor.sync_AddComment(CommentId, Comment.Data);
            break;
        case historyitem_Comments_Remove:
            var CommentId = Reader.GetString2();
            delete this.m_aComments[CommentId];
            editor.sync_RemoveComment(CommentId);
            break;
        }
        return true;
    };
    g_oTableId.Add(this, this.Id);
}
function ParaComment(Start, Id) {
    this.Id = g_oIdCounter.Get_NewId();
    this.Paragraph = null;
    this.Start = Start;
    this.CommentId = Id;
    this.Type = para_Comment;
    this.StartLine = 0;
    this.StartRange = 0;
    this.Lines = [];
    this.LinesLength = 0;
    g_oTableId.Add(this, this.Id);
}
ParaComment.prototype = {
    Get_Id: function () {
        return this.Id;
    },
    Set_CommentId: function (NewCommentId) {
        if (this.CommentId !== NewCommentId) {
            History.Add(this, {
                Type: historyitem_ParaComment_CommentId,
                Old: this.CommentId,
                New: NewCommentId
            });
            this.CommentId = NewCommentId;
        }
    },
    Set_Paragraph: function (Paragraph) {
        this.Paragraph = Paragraph;
    },
    Is_Empty: function () {
        return true;
    },
    Is_CheckingNearestPos: function () {
        return false;
    },
    Get_CompiledTextPr: function () {
        return null;
    },
    Clear_TextPr: function () {},
    Remove: function () {
        return false;
    },
    Get_DrawingObjectRun: function (Id) {
        return null;
    },
    Get_DrawingObjectContentPos: function (Id, ContentPos, Depth) {
        return false;
    },
    Get_Layout: function (DrawingLayout, UseContentPos, ContentPos, Depth) {},
    Get_NextRunElements: function (RunElements, UseContentPos, Depth) {},
    Get_PrevRunElements: function (RunElements, UseContentPos, Depth) {},
    Collect_DocumentStatistics: function (ParaStats) {},
    Create_FontMap: function (Map) {},
    Get_AllFontNames: function (AllFonts) {},
    Get_SelectedText: function (bAll, bClearText) {
        return "";
    },
    Get_SelectionDirection: function () {
        return 1;
    },
    Clear_TextFormatting: function (DefHyper) {},
    Can_AddDropCap: function () {
        return null;
    },
    Get_TextForDropCap: function (DropCapText, UseContentPos, ContentPos, Depth) {},
    Get_StartTabsCount: function (TabsCounter) {
        return true;
    },
    Remove_StartTabs: function (TabsCounter) {
        return true;
    },
    Copy: function () {
        return new ParaComment(this.Start, this.CommentId);
    },
    Split: function () {
        return new ParaRun();
    },
    Apply_TextPr: function () {},
    Recalculate_Reset: function (StartRange, StartLine) {
        this.StartLine = StartLine;
        this.StartRange = StartRange;
    },
    Recalculate_Range: function (PRS, ParaPr) {},
    Recalculate_Set_RangeEndPos: function (PRS, PRP, Depth) {},
    Recalculate_Range_Width: function (PRSC, _CurLine, _CurRange) {},
    Recalculate_Range_Spaces: function (PRSA, CurLine, CurRange, CurPage) {
        var Para = PRSA.Paragraph;
        var DocumentComments = Para.LogicDocument.Comments;
        var Comment = DocumentComments.Get_ById(this.CommentId);
        if (null === Comment) {
            return;
        }
        var X = PRSA.X;
        var Y = Para.Pages[CurPage].Y + Para.Lines[CurLine].Top;
        var H = Para.Lines[CurLine].Bottom - Para.Lines[CurLine].Top;
        var Page = Para.Get_StartPage_Absolute() + CurPage;
        if (comment_type_HdrFtr === Comment.m_oTypeInfo.Type) {
            var HdrFtr = Comment.m_oTypeInfo.Data;
            if (-1 !== HdrFtr.RecalcInfo.CurPage) {
                Page = HdrFtr.RecalcInfo.CurPage;
            }
        }
        if (true === this.Start) {
            Comment.Set_StartId(Para.Get_Id());
            Comment.Set_StartInfo(Page, X, Y, H);
        } else {
            Comment.Set_EndId(Para.Get_Id());
        }
    },
    Recalculate_PageEndInfo: function (PRSI, _CurLine, _CurRange) {
        if (true === this.Start) {
            PRSI.Add_Comment(this.CommentId);
        } else {
            PRSI.Remove_Comment(this.CommentId);
        }
    },
    Save_RecalculateObject: function (Copy) {
        var RecalcObj = new CRunRecalculateObject(this.StartLine, this.StartRange);
        return RecalcObj;
    },
    Load_RecalculateObject: function (RecalcObj, Parent) {
        this.StartLine = RecalcObj.StartLine;
        this.StartRange = RecalcObj.StartRange;
        var PageNum = Parent.Get_StartPage_Absolute();
        var DocumentComments = editor.WordControl.m_oLogicDocument.Comments;
        var Comment = DocumentComments.Get_ById(this.CommentId);
        Comment.m_oStartInfo.PageNum = PageNum;
    },
    Prepare_RecalculateObject: function () {},
    Is_EmptyRange: function (_CurLine, _CurRange) {
        return true;
    },
    Check_Range_OnlyMath: function (Checker, CurRange, CurLine) {},
    Check_MathPara: function (Checker) {},
    Check_PageBreak: function () {
        return false;
    },
    Check_BreakPageEnd: function (PBChecker) {
        return true;
    },
    Recalculate_CurPos: function (X, Y, CurrentRun, _CurRange, _CurLine, CurPage, UpdateCurPos, UpdateTarget, ReturnTarget) {
        return {
            X: X
        };
    },
    Recalculate_MinMaxContentWidth: function () {},
    Get_Range_VisibleWidth: function (RangeW, _CurLine, _CurRange) {},
    Shift_Range: function (Dx, Dy, _CurLine, _CurRange) {
        var DocumentComments = editor.WordControl.m_oLogicDocument.Comments;
        var Comment = DocumentComments.Get_ById(this.CommentId);
        if (null === Comment) {
            return;
        }
        if (true === this.Start) {
            Comment.m_oStartInfo.X += Dx;
            Comment.m_oStartInfo.Y += Dy;
        }
    },
    Draw_HighLights: function (PDSH) {
        if (true === this.Start) {
            PDSH.Add_Comment(this.CommentId);
        } else {
            PDSH.Remove_Comment(this.CommentId);
        }
    },
    Draw_Elements: function (PDSE) {},
    Draw_Lines: function (PDSL) {},
    Is_CursorPlaceable: function () {
        return false;
    },
    Cursor_Is_Start: function () {
        return true;
    },
    Cursor_Is_NeededCorrectPos: function () {
        return true;
    },
    Cursor_Is_End: function () {
        return true;
    },
    Cursor_MoveToStartPos: function () {},
    Cursor_MoveToEndPos: function (SelectFromEnd) {},
    Get_ParaContentPosByXY: function (SearchPos, Depth, _CurLine, _CurRange, StepEnd) {
        return false;
    },
    Get_ParaContentPos: function (bSelection, bStart, ContentPos) {},
    Set_ParaContentPos: function (ContentPos, Depth) {},
    Get_PosByElement: function (Class, ContentPos, Depth, UseRange, Range, Line) {
        if (this === Class) {
            return true;
        }
        return false;
    },
    Get_ElementByPos: function (ContentPos, Depth) {
        return this;
    },
    Get_PosByDrawing: function (Id, ContentPos, Depth) {
        return false;
    },
    Get_RunElementByPos: function (ContentPos, Depth) {
        return null;
    },
    Get_LastRunInRange: function (_CurLine, _CurRange) {
        return null;
    },
    Get_LeftPos: function (SearchPos, ContentPos, Depth, UseContentPos) {},
    Get_RightPos: function (SearchPos, ContentPos, Depth, UseContentPos, StepEnd) {},
    Get_WordStartPos: function (SearchPos, ContentPos, Depth, UseContentPos) {},
    Get_WordEndPos: function (SearchPos, ContentPos, Depth, UseContentPos, StepEnd) {},
    Get_EndRangePos: function (_CurLine, _CurRange, SearchPos, Depth) {
        return false;
    },
    Get_StartRangePos: function (_CurLine, _CurRange, SearchPos, Depth) {
        return false;
    },
    Get_StartRangePos2: function (_CurLine, _CurRange, ContentPos, Depth) {},
    Get_StartPos: function (ContentPos, Depth) {},
    Get_EndPos: function (BehindEnd, ContentPos, Depth) {},
    Set_SelectionContentPos: function (StartContentPos, EndContentPos, Depth, StartFlag, EndFlag) {},
    Selection_Stop: function () {},
    Selection_Remove: function () {},
    Select_All: function (Direction) {},
    Selection_DrawRange: function (_CurLine, _CurRange, SelectionDraw) {},
    Selection_IsEmpty: function (CheckEnd) {
        return true;
    },
    Selection_CheckParaEnd: function () {
        return false;
    },
    Is_SelectedAll: function (Props) {
        return true;
    },
    Selection_CorrectLeftPos: function (Direction) {
        return true;
    },
    Selection_CheckParaContentPos: function (ContentPos) {
        return true;
    },
    Undo: function (Data) {
        var Type = Data.Type;
        switch (Type) {
        case historyitem_ParaComment_CommentId:
            this.CommentId = Data.Old;
            break;
        }
    },
    Redo: function (Data) {
        var Type = Data.Type;
        switch (Type) {
        case historyitem_ParaComment_CommentId:
            this.CommentId = Data.New;
            break;
        }
    },
    Save_Changes: function (Data, Writer) {
        Writer.WriteLong(historyitem_type_ParaComment);
        var Type = Data.Type;
        Writer.WriteLong(Type);
        switch (Type) {
        case historyitem_ParaComment_CommentId:
            Writer.WriteString2(Data.New);
            break;
        }
    },
    Load_Changes: function (Reader) {
        var ClassType = Reader.GetLong();
        if (historyitem_type_ParaComment != ClassType) {
            return;
        }
        var Type = Reader.GetLong();
        switch (Type) {
        case historyitem_ParaComment_CommentId:
            this.CommentId = Reader.GetString2();
            var Comment = g_oTableId.Get_ById(this.CommentId);
            if (null !== this.Paragraph && null !== Comment && Comment instanceof CComment) {
                if (true === this.Start) {
                    Comment.Set_StartId(this.Paragraph.Get_Id());
                } else {
                    Comment.Set_EndId(this.Paragraph.Get_Id());
                }
            }
            break;
        }
    },
    Refresh_RecalcData: function () {},
    Write_ToBinary2: function (Writer) {
        Writer.WriteLong(historyitem_type_CommentMark);
        Writer.WriteString2("" + this.Id);
        Writer.WriteString2("" + this.CommentId);
        Writer.WriteBool(this.Start);
    },
    Read_FromBinary2: function (Reader) {
        this.Id = Reader.GetString2();
        this.CommentId = Reader.GetString2();
        this.Start = Reader.GetBool();
    }
};