287 lines
7.8 KiB
JavaScript
287 lines
7.8 KiB
JavaScript
/*
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* (c) Copyright Ascensio System SIA 2010-2024
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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"use strict";
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(function(window)
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{
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/**
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* Класс для композитного ввода в ран
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* @param canSplit {boolean} можно ли разделять run во время ввода
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* @constructor
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*/
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function RunCompositeInput(canSplit)
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{
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this.canSplit = false !== canSplit;
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this.run = null;
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this.pos = 0;
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this.length = 0;
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this.prevRun = null;
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this.checkCS = false;
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}
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RunCompositeInput.prototype.begin = function(run)
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{
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let newRun = null;
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let checkCS = false;
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if (!run.GetParentForm() && this.canSplit)
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{
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checkCS = true;
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newRun = run.CheckRunBeforeAdd();
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if (!newRun)
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newRun = run.private_SplitRunInCurPos();
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}
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let prevRun = null;
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if (newRun && run !== newRun)
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{
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prevRun = run;
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run = newRun;
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run.Make_ThisElementCurrent();
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}
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this.run = run;
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this.pos = run.State.ContentPos;
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this.length = 0;
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this.checkCS = checkCS;
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this.prevRun = prevRun;
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run.Set_CompositeInput(this);
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};
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RunCompositeInput.prototype.end = function()
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{
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if (!this.run)
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return;
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this.run.Set_CompositeInput(null);
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this.run = null;
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this.length = 0;
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this.pos = 0;
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this.prevRun = null;
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this.checkCS = false;
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};
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RunCompositeInput.prototype.getLength = function()
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{
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return this.length;
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};
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RunCompositeInput.prototype.replace = function(codePoints)
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{
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if (!this.run)
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return;
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codePoints = typeof(codePoints) === "string" ? codePoints.codePointsArray() : codePoints;
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if (!this.length && !codePoints.length)
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return;
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if (codePoints.length)
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this.checkComplexScript(AscCommon.IsComplexScript(codePoints[0]));
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this.remove(this.length);
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for (let index = 0, count = codePoints.length; index < count; ++index)
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{
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this.add(codePoints[index]);
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}
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let parentForm = this.run.GetParentForm();
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if (parentForm)
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{
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parentForm.TrimTextForm();
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if (this.run.IsEmpty())
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{
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parentForm.ReplaceContentWithPlaceHolder();
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AscCommon.g_inputContext.externalEndCompositeInput();
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}
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}
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};
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RunCompositeInput.prototype.remove = function(count)
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{
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let pos = this.pos + this.length;
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count = Math.max(0, Math.min(count, this.length, this.run.GetElementsCount(), pos));
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if (!count)
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return;
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this.run.RemoveFromContent(pos - count, count, true);
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this.length -= count;
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};
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RunCompositeInput.prototype.add = function(codePoint)
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{
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let runElement = AscWord.codePointToRunElement(codePoint, this.run.IsMathRun());
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this.run.AddToContent(this.pos + this.length, runElement, true);
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++this.length;
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};
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RunCompositeInput.prototype.setPos = function(pos)
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{
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pos = Math.max(0, Math.min(pos, this.length, this.run.GetElementsCount() - this.pos));
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this.run.State.ContentPos = this.pos + pos;
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};
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RunCompositeInput.prototype.getPos = function()
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{
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let inRunPos = this.run.State.ContentPos;
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return Math.min(this.length, Math.max(0, inRunPos - this.pos));
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};
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RunCompositeInput.prototype.getRun = function()
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{
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return this.run;
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};
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RunCompositeInput.prototype.updateOnAdd = function(pos)
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{
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if (pos <= this.pos)
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++this.pos;
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else if (pos < this.pos + this.length)
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++this.length;
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};
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RunCompositeInput.prototype.updateOnRemove = function(pos, count)
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{
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if (pos + count <= this.pos)
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{
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this.pos -= count;
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}
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else if (pos < this.pos)
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{
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this.pos = pos;
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this.length = Math.max(0, this.length - (count - (this.pos - pos)));
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}
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else if (pos + count < this.pos + this.length)
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{
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this.length = Math.max(0, this.length - count);
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}
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else if (pos < this.pos + this.length)
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{
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this.length = Math.max(0, pos - this.pos);
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}
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};
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RunCompositeInput.prototype.isInside = function(pos)
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{
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return (pos >= this.pos && pos < this.pos + this.length);
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};
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RunCompositeInput.prototype.getText = function()
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{
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let text = "";
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let run = this.run;
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let endPos = Math.min(run.GetElementsCount(), this.pos + this.length);
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for (let pos = this.pos; pos < endPos; ++pos)
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{
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let runElement = run.GetElement(pos);
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if (runElement.IsText() || runElement.IsSpace())
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text += String.fromCodePoint(runElement.GetCodePoint());
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}
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return text;
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};
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RunCompositeInput.prototype.getCodePoints = function()
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{
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let result = [];
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let run = this.run;
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let endPos = Math.min(run.GetElementsCount(), this.pos + this.length);
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for (let pos = this.pos; pos < endPos; ++pos)
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{
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let runElement = run.GetElement(pos);
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if (runElement.IsText() || runElement.IsSpace())
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result.push(runElement.GetCodePoint());
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}
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return result;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Private area
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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RunCompositeInput.prototype.checkComplexScript = function(isCS)
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{
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if (!this.checkCS)
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return;
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this.run.ApplyComplexScript(isCS);
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if (this.prevRun
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&& isCS !== this.prevRun.IsCS()
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&& this.prevRun.IsOnlyCommonTextScript())
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{
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this.prevRun.ApplyComplexScript(isCS);
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}
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this.checkCS = false;
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};
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//--------------------------------------------------------export----------------------------------------------------
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AscWord.RunCompositeInput = RunCompositeInput;
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/**
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* Old class for composite input inside run. Added to support obsolete code
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* @param run
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* @constructor
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*/
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function RunCompositeInput_Old(run)
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{
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this.Run = run;
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this.Pos = run.State.ContentPos;
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this.Length = 0;
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this.CanUndo = true;
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this.Check = true;
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}
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RunCompositeInput_Old.prototype.updateOnAdd = function(Pos)
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{
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if (Pos <= this.Pos)
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++this.Pos;
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else if (Pos < this.Pos + this.Length)
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++this.Length;
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};
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RunCompositeInput_Old.prototype.updateOnRemove = function(Pos, Count)
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{
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if (Pos + Count <= this.Pos)
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{
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this.Pos -= Count;
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}
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else if (Pos < this.Pos)
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{
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this.Pos = Pos;
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this.Length = Math.max(0, this.Length - (Count - (this.Pos - Pos)));
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}
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else if (Pos + Count < this.Pos + this.Length)
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{
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this.Length = Math.max(0, this.Length - Count);
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}
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else if (Pos < this.Pos + this.Length)
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{
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this.Length = Math.max(0, Pos - this.Pos);
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}
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};
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RunCompositeInput_Old.prototype.isInside = function(Pos)
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{
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return Pos >= this.Pos && Pos < this.Pos + this.Length;
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};
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AscWord.RunCompositeInput_Old = RunCompositeInput_Old;
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})(window);
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