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DocumentServer-v-9.2.0/sdkjs/word/Math/limit.js
Yajbir Singh f1b860b25c
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updated
2025-12-11 19:03:17 +05:30

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/*
* (c) Copyright Ascensio System SIA 2010-2024
*
* 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 20A-6 Ernesta Birznieka-Upish
* street, Riga, Latvia, EU, LV-1050.
*
* 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 CMathLimitPr(ctrPr)
{
this.type = LIMIT_LOW;
this.ctrPr = new CMathCtrlPr(ctrPr);
}
CMathLimitPr.prototype.GetRPr = function ()
{
return this.ctrPr.GetRPr();
}
CMathLimitPr.prototype.Set_FromObject = function(Obj)
{
if (undefined !== Obj.type && null !== Obj.type)
this.type = Obj.type;
this.ctrPr.SetRPr(Obj.ctrPrp);
};
CMathLimitPr.prototype.Copy = function()
{
var NewPr = new CMathLimitPr();
NewPr.type = this.type;
NewPr.ctrPr = this.ctrPr;
return NewPr;
};
CMathLimitPr.prototype.Write_ToBinary = function(Writer)
{
// Long : type
Writer.WriteLong(this.type);
Writer.WriteBool(true);
this.ctrPr.Write_ToBinary(Writer);
};
CMathLimitPr.prototype.Read_FromBinary = function(Reader)
{
// Long : type
this.type = Reader.GetLong();
if (Reader.GetBool())
{
this.ctrPr.Read_FromBinary(Reader);
}
};
/**
*
* @param bInside
* @param Type
* @param FName
* @param Iterator
* @constructor
* @extends {CMathBase}
*/
function CLimitPrimary(bInside, Type, FName, Iterator)
{
CMathBase.call(this, bInside);
this.Type = Type;
this.FName = null;
this.Iterator = null;
this.init(FName, Iterator);
}
CLimitPrimary.prototype = Object.create(CMathBase.prototype);
CLimitPrimary.prototype.constructor = CLimitPrimary;
CLimitPrimary.prototype.kind = MATH_PRIMARY_LIMIT;
CLimitPrimary.prototype.init = function(FName, Iterator)
{
this.setDimension(2, 1);
if(this.Type == LIMIT_LOW)
{
this.FName = FName;
this.Iterator = new CDenominator(Iterator);
this.elements[0][0] = this.FName;
this.elements[1][0] = this.Iterator;
}
else
{
this.Iterator = Iterator;
this.FName = FName;
this.elements[0][0] = this.Iterator;
this.elements[1][0] = this.FName;
}
};
CLimitPrimary.prototype.PreRecalc = function(Parent, ParaMath, ArgSize, RPI, GapsInfo)
{
this.Parent = Parent;
this.ParaMath = ParaMath;
this.Set_CompiledCtrPrp(Parent, ParaMath, RPI);
if(this.bInside == false)
GapsInfo.setGaps(this, this.TextPrControlLetter.FontSize);
this.FName.PreRecalc(this, ParaMath, ArgSize, RPI);
var ArgSzIter = ArgSize.Copy();
ArgSzIter.Decrease();
var bDecreasedComp = RPI.bDecreasedComp;
RPI.bDecreasedComp = true;
this.Iterator.PreRecalc(this, ParaMath, ArgSzIter, RPI);
RPI.bDecreasedComp = bDecreasedComp;
};
CLimitPrimary.prototype.Resize = function(oMeasure, RPI)
{
this.FName.Resize(oMeasure, RPI);
this.Iterator.Resize(oMeasure, RPI);
this.recalculateSize(oMeasure);
};
CLimitPrimary.prototype.recalculateSize = function(oMeasure)
{
if(this.Type == LIMIT_LOW)
this.dH = 0;
else
this.dH = 0.06*this.Get_TxtPrControlLetter().FontSize;
var SizeFName = this.FName.size,
SizeIter = this.Iterator.size;
var width = SizeFName.width > SizeIter.width ? SizeFName.width : SizeIter.width,
height = SizeFName.height + SizeIter.height + this.dH,
ascent;
if(this.Type == LIMIT_LOW)
ascent = SizeFName.ascent;
else
ascent = SizeIter.height + this.dH + SizeFName.ascent;
width += this.GapLeft + this.GapRight;
this.size.height = height;
this.size.width = width;
this.size.ascent = ascent;
};
CLimitPrimary.prototype.setPosition = function(pos, PosInfo)
{
this.pos.x = pos.x;
this.pos.y = pos.y;
var maxW = this.FName.size.width > this.Iterator.size.width ? this.FName.size.width : this.Iterator.size.width;
var alignFNameX = (maxW - this.FName.size.width)/2;
var alignIterX = (maxW - this.Iterator.size.width)/2;
var FNamePos = new CMathPosition();
var IterPos = new CMathPosition();
if(this.Type == LIMIT_LOW)
{
FNamePos.x = this.pos.x + this.GapLeft + alignFNameX;
FNamePos.y = this.pos.y + this.FName.size.ascent;
IterPos.x = this.pos.x + this.GapLeft + alignIterX;
IterPos.y = this.pos.y + this.dH + this.FName.size.height;
}
else
{
IterPos.x = this.pos.x + this.GapLeft + alignIterX;
IterPos.y = this.pos.y + this.Iterator.size.ascent;
FNamePos.x = this.pos.x + this.GapLeft + alignFNameX;
FNamePos.y = this.pos.y + this.FName.size.ascent + this.dH + this.Iterator.size.height;
}
// такой порядок нужен для выравнивания Box по операторам
this.FName.setPosition(FNamePos, PosInfo);
this.Iterator.setPosition(IterPos, PosInfo);
pos.x += this.size.width;
};
/**
*
* @param props
* @constructor
* @extends {CMathBase}
*/
function CLimit(props)
{
CMathBase.call(this);
this.Id = AscCommon.g_oIdCounter.Get_NewId();
this.Pr = new CMathLimitPr(this.CtrPrp);
if(props !== null && typeof(props) !== "undefined")
this.init(props);
AscCommon.g_oTableId.Add( this, this.Id );
}
CLimit.prototype = Object.create(CMathBase.prototype);
CLimit.prototype.constructor = CLimit;
CLimit.prototype.ClassType = AscDFH.historyitem_type_lim;
CLimit.prototype.kind = MATH_LIMIT;
CLimit.prototype.init = function(props)
{
this.Fill_LogicalContent(2, props.content);
// посмотреть GetAllFonts
this.setProperties(props);
this.fillContent();
};
CLimit.prototype.fillContent = function()
{
};
CLimit.prototype.getFName = function()
{
return this.Content[0];
};
CLimit.prototype.getIterator = function()
{
return this.Content[1];
};
CLimit.prototype.getBase = function()
{
return this.getFName();
};
CLimit.prototype.ApplyProperties = function(RPI)
{
// реализовано также как и для Word 2010
// в 2007 реализовано limit для inline формул как степень (закомментированный код)
/*if(this.RecalcInfo.bProps == true || RPI.bChangeInline == true)
{
this.setDimension(1, 1);
if(RPI.bInline == true && RPI.bMathFunc == true)
{
var props;
if(this.Pr.type == LIMIT_LOW)
props = {type: DEGREE_SUBSCRIPT, ctrPrp: this.CtrPrp};
else
props = {type: DEGREE_SUPERSCRIPT, ctrPrp: this.CtrPrp};
this.elements[0][0] = new CDegreeBase(props, true);
this.elements[0][0].setBase(this.getFName());
this.elements[0][0].setIterator(this.getIterator());
this.elements[0][0].fillContent();
}
else
{
this.elements[0][0] = new CLimitPrimary(true, this.Pr.type, this.getFName(), this.getIterator());
}
this.RecalcInfo.bProps = false;
}*/
if(this.RecalcInfo.bProps == true || (RPI != undefined && RPI.bChangeInline == true))
{
this.setDimension(1, 1);
this.elements[0][0] = new CLimitPrimary(true, this.Pr.type, this.getFName(), this.getIterator());
this.RecalcInfo.bProps = false;
}
};
CLimit.prototype.Apply_MenuProps = function(Props)
{
if (Props.Type == Asc.c_oAscMathInterfaceType.Limit && Props.Pos !== undefined)
{
var Type = Props.Pos == Asc.c_oAscMathInterfaceLimitPos.Bottom ? LIMIT_LOW : LIMIT_UP;
if (this.Pr.type !== Type)
{
AscCommon.History.Add(new CChangesMathLimitType(this, this.Pr.type, Type));
this.raw_SetType(Type);
}
}
};
CLimit.prototype.Get_InterfaceProps = function()
{
return new CMathMenuLimit(this);
};
CLimit.prototype.raw_SetType = function(Value)
{
if(this.Pr.type !== Value)
{
this.Pr.type = Value;
this.RecalcInfo.bProps = true;
this.ApplyProperties();
}
};
CLimit.prototype.Can_ModifyArgSize = function()
{
return this.CurPos == 1 && false === this.Is_SelectInside();
};
/**
*
* @param {MathTextAndStyles | boolean} oMathText
* @constructor
*/
CLimit.prototype.GetTextOfElement = function(oMathText)
{
oMathText = new AscMath.MathTextAndStyles(oMathText);
let strLimitSymbol = "";
let oFuncName = this.getFName();
let oArgument = this.getIterator();
if (oMathText.IsLaTeX())
{
oMathText.ResetGlobalStyle();
oMathText.Add(oFuncName, false);
oMathText.AddText(new AscMath.MathText((this.Pr.type == 1) ? "\\above" : "\\below", oMathText.GetStyleFromFirst()));
oMathText.SetNotGetStyleFromFirst();
// check when word fix bug, for now always wrap
oMathText.Add(oArgument, true, 2);
}
else
{
if (Number.isInteger(this.Pr.type))
{
strLimitSymbol = (this.Pr.type === 1) ? "┴" : "┬";
}
else
{
strLimitSymbol = (this.Pr.type.type === 2) ? "┴" : "┬";
}
let oNamePos = oMathText.Add(oFuncName, true);
oMathText.AddAfter(oNamePos, new AscMath.MathText(strLimitSymbol, this));
oMathText.Add(oArgument, true);
}
return oMathText;
};
/**
*
* @param CMathMenuLimit
* @constructor
* @extends {CMathMenuBase}
*/
function CMathMenuLimit(Limit)
{
CMathMenuBase.call(this, Limit);
this.Type = Asc.c_oAscMathInterfaceType.Limit;
if (undefined !== Limit)
{
this.Pos = (LIMIT_LOW === Limit.Pr.type) ? Asc.c_oAscMathInterfaceLimitPos.Bottom : Asc.c_oAscMathInterfaceLimitPos.Top;
}
else
{
this.Pos = undefined;
}
}
CMathMenuLimit.prototype = Object.create(CMathMenuBase.prototype);
CMathMenuLimit.prototype.constructor = CMathMenuLimit;
CMathMenuLimit.prototype.get_Pos = function(){return this.Pos;};
CMathMenuLimit.prototype.put_Pos = function(Pos){this.Pos = Pos;};
window["CMathMenuLimit"] = CMathMenuLimit;
CMathMenuLimit.prototype["get_Pos"] = CMathMenuLimit.prototype.get_Pos;
CMathMenuLimit.prototype["put_Pos"] = CMathMenuLimit.prototype.put_Pos;
function CMathFuncPr(ctrPr)
{
this.ctrPr = new CMathCtrlPr(ctrPr);
}
CMathFuncPr.prototype.GetRPr = function ()
{
return this.ctrPr.GetRPr();
};
CMathFuncPr.prototype.Set_FromObject = function(Obj)
{
this.ctrPr.SetRPr(Obj.ctrPrp);
};
CMathFuncPr.prototype.Copy = function()
{
let NewPr = new CMathFuncPr();
NewPr.ctrPr = this.ctrPr;
return NewPr;
};
CMathFuncPr.prototype.Write_ToBinary = function(Writer)
{
Writer.WriteBool(true);
this.ctrPr.Write_ToBinary(Writer);
};
CMathFuncPr.prototype.Read_FromBinary = function(Reader)
{
if (Reader.GetBool())
{
this.ctrPr.Read_FromBinary(Reader);
}
};
/**
*
* @param props
* @constructor
* @extends {CMathBase}
*/
function CMathFunc(props)
{
CMathBase.call(this);
this.Id = AscCommon.g_oIdCounter.Get_NewId();
this.Pr = new CMathFuncPr(this.CtrPrp);
if(props !== null && typeof(props) !== "undefined")
this.init(props);
AscCommon.g_oTableId.Add( this, this.Id );
}
CMathFunc.prototype = Object.create(CMathBase.prototype);
CMathFunc.prototype.constructor = CMathFunc;
CMathFunc.prototype.ClassType = AscDFH.historyitem_type_mathFunc;
CMathFunc.prototype.kind = MATH_FUNCTION;
CMathFunc.prototype.init = function(props)
{
this.Fill_LogicalContent(2, props.content);
this.setProperties(props);
this.fillContent();
};
CMathFunc.prototype.PreRecalc = function(Parent, ParaMath, ArgSize, RPI, GapsInfo)
{
var bMathFunc = RPI.bMathFunc;
RPI.bMathFunc = true;
CMathBase.prototype.PreRecalc.call(this, Parent, ParaMath, ArgSize, RPI, GapsInfo);
RPI.bMathFunc = bMathFunc;
};
CMathFunc.prototype.GetLastElement = function()
{
return this.Content[1].GetFirstElement();
};
CMathFunc.prototype.GetFirstElement = function()
{
return this.Content[0].GetFirstElement();
};
CMathFunc.prototype.setDistance = function()
{
this.dW = this.Get_TxtPrControlLetter().FontSize*0.044;
};
CMathFunc.prototype.getFName = function()
{
return this.Content[0];
};
CMathFunc.prototype.getArgument = function()
{
return this.Content[1];
};
CMathFunc.prototype.fillContent = function()
{
this.NeedBreakContent(1);
this.setDimension(1, 2);
this.elements[0][0] = this.getFName();
this.elements[0][1] = this.getArgument();
};
CMathFunc.prototype.GetTextOfElement = function(oMathText)
{
oMathText = new AscMath.MathTextAndStyles(oMathText);
let oFuncName = this.getFName();
let oArgument = this.getArgument();
oMathText.SetGlobalStyle(this);
if (oMathText.IsLaTeX())
{
let oFuncNameContent = oFuncName.GetTextOfElement(true);
let strFunc = oFuncNameContent.GetText();
//find content before "_", "^", "below" and "above";
strFunc = strFunc.split("_")[0].split('^')[0].split('\\below')[0].split('\\above')[0];
let oSlashesTextForName = new AscMath.MathText("\\", oFuncNameContent.GetFirstStyle());
let oFirstPosInNameContent = oFuncNameContent.GetFirstPos();
if (AscMath.functionNames.includes(strFunc) || AscMath.LimitFunctions.includes(strFunc))
oFuncNameContent.AddBefore(oFirstPosInNameContent, oSlashesTextForName);
oMathText.Add(oFuncNameContent, true, 0);
oMathText.SetGlobalStyle(oFuncName);
oMathText.Add(oArgument, true, 2);
}
else
{
let oNamePos = oMathText.Add(oFuncName, true, 0);
let oArgumentPos = oMathText.Add(oArgument, true, 1);
let oArgumentToken = oMathText.GetExact(oArgumentPos);
oMathText.AddAfter(oNamePos, new AscMath.MathText("", this.Pr.GetRPr()));
}
return oMathText;
};
//--------------------------------------------------------export----------------------------------------------------
window['AscCommonWord'] = window['AscCommonWord'] || {};
window['AscCommonWord'].CMathFunc = CMathFunc;
window['AscCommonWord'].CLimit = CLimit;
AscMath.Limit = CLimit;
AscMath.Func = CMathFunc;