349 lines
9.0 KiB
JavaScript
349 lines
9.0 KiB
JavaScript
/*
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* (c) Copyright Ascensio System SIA 2010-2025
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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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* Class for traversing the entire document structure
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* @constructor
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*/
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function DocumentVisitor()
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{
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this.stopped = false;
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}
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/**
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* @param {AscWord.CSelectedContent} selectedContent
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*/
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DocumentVisitor.prototype.traverseSelectedContent = function(selectedContent)
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{
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let content = selectedContent.GetContentArray();
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this.visitDocContent(content);
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};
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/**
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* @param {AscWord.Document} logicDocument
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* @param {boolean} isSelection
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*/
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DocumentVisitor.prototype.traverseDocument = function(logicDocument, isSelection)
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{
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if (isSelection)
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{
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let selectedContent = logicDocument.GetSelectedContent(false);
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this.traverseSelectedContent(selectedContent)
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}
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else
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{
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this.visitDocContent(logicDocument.Content);
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}
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};
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DocumentVisitor.prototype.traverseDocContent = function(docContent)
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{
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this.visitDocContent(docContent.Content);
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};
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DocumentVisitor.prototype.traverseParagraph = function(paragraph)
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{
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paragraph.visit(this);
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};
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DocumentVisitor.prototype.stop = function()
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{
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this.stopped = true;
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};
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DocumentVisitor.prototype.isStopped = function()
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{
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return this.stopped;
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};
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DocumentVisitor.prototype.paragraph = function(paragraph, isStart)
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{
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return false;
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};
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DocumentVisitor.prototype.table = function(table, isStart)
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{
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return false;
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};
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DocumentVisitor.prototype.tableRow = function(tableRow, isStart)
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{
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return false;
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};
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DocumentVisitor.prototype.tableCell = function(tableCell, isStart)
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{
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return false;
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};
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DocumentVisitor.prototype.fldSimple = function(field, isStart)
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{
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return false;
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};
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DocumentVisitor.prototype.blockLevelSdt = function(sdt, isStart)
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{
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return false;
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};
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DocumentVisitor.prototype.inlineLevelSdt = function(sdt, isStart)
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{
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return false;
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};
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DocumentVisitor.prototype.oform = function(form, isStart)
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{
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return false;
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};
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DocumentVisitor.prototype.run = function(run, isStart)
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{
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return false;
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};
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DocumentVisitor.prototype.oMath = function(oMath, isStart)
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{
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return false;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Private area
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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DocumentVisitor.prototype.visitDocContent = function(content)
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{
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for (let i = 0, count = content.length; i < count; ++i)
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{
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content[i].visit(this);
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if (this.isStopped())
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return;
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}
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};
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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AscWord.Paragraph.prototype.visit = function(visitor)
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{
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if (visitor.paragraph(this, true))
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return;
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for (let i = 0; i < this.Content.length; ++i)
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{
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this.Content[i].visit(visitor);
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if (visitor.isStopped())
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return;
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}
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visitor.paragraph(this, false);
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};
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AscWord.Table.prototype.visit = function(visitor)
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{
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if (visitor.table(this, true))
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return;
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for (let i = 0, rowCount = this.GetRowsCount(); i < rowCount; ++i)
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{
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this.GetRow(i).visit(visitor);
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if (visitor.isStopped())
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return;
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}
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visitor.table(this, false);
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};
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AscWord.TableRow.prototype.visit = function(visitor)
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{
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if (visitor.tableRow(this, true))
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return;
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for (let i = 0, cellCount = this.GetCellsCount(); i < cellCount; ++i)
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{
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let cell = this.GetCell(i);
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cell.visit(visitor);
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if (visitor.isStopped())
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return;
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}
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visitor.tableRow(this, false);
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};
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AscWord.TableCell.prototype.visit = function(visitor)
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{
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if (visitor.tableCell(this, true))
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return;
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this.GetContent().visit(visitor);
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visitor.tableCell(this, false);
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};
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AscWord.BlockLevelSdt.prototype.visit = function(visitor)
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{
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if (visitor.blockLevelSdt(this, true))
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return;
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this.Content.visit(visitor);
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visitor.blockLevelSdt(this, false);
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};
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AscWord.DocumentContent.prototype.visit = function(visitor)
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{
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visitor.visitDocContent(this.Content);
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};
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AscWord.ParagraphContentBase.prototype.visit = function(visitor)
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{
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};
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AscWord.ParagraphContentWithParagraphLikeContent.prototype.visit = function(visitor)
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{
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for (let i = 0; i < this.Content.length; ++i)
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{
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this.Content[i].visit(visitor);
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if (visitor.isStopped())
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return;
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}
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};
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AscWord.InlineLevelSdt.prototype.visit = function(visitor)
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{
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let isForm = this.IsForm();
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if (isForm && visitor.oform(this, true))
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return;
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if (!isForm && visitor.inlineLevelSdt(this, true))
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return;
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AscWord.ParagraphContentWithParagraphLikeContent.prototype.visit.apply(this, arguments);
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if (isForm)
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visitor.oform(this, false);
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else
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visitor.inlineLevelSdt(this, false);
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};
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AscWord.Run.prototype.visit = function(visitor)
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{
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if (visitor.run(this, true))
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return;
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// TODO: inner elements
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visitor.run(this, false);
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};
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AscWord.FldSimple.prototype.visit = function(visitor)
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{
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if (visitor.fldSimple(this, true))
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return;
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AscWord.ParagraphContentWithParagraphLikeContent.prototype.visit.apply(this, arguments);
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visitor.fldSimple(this, false);
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};
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AscWord.ParaMath.prototype.visit = function(visitor)
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{
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if (visitor.oMath(this, true))
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return;
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AscWord.ParagraphContentWithParagraphLikeContent.prototype.visit.apply(this.Root, arguments);
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visitor.oMath(this, false);
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};
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//--------------------------------------------------------export----------------------------------------------------
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AscWord.DocumentVisitor = DocumentVisitor;
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// Example of usage
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//
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// function DocumentText()
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// {
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// DocumentVisitor.call(this);
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// this.text = "";
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// }
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// DocumentText.prototype = Object.create(DocumentVisitor.prototype);
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// DocumentText.prototype.constructor = DocumentText;
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// DocumentText.prototype.run = function(run)
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// {
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// this.text += run.GetText();
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// return true;
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// };
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// DocumentText.prototype.oform = function(form)
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// {
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// if (form.IsCheckBox())
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// this.text += "<form key=" + form.GetFormKey() + " checked=" + form.IsCheckBoxChecked() + ">";
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// else
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// this.text += "<form key=" + form.GetFormKey() + ">";
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// return true;
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// };
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//
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// AscWord.DocumentText = DocumentText;
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// TODO: Move to the proper place
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/**
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* Check if header/footer have fields than need to be recalculated across different pages
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* @constructor
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*/
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function HdrFtrFieldChecker()
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{
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DocumentVisitor.call(this);
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this.haveField = false;
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}
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HdrFtrFieldChecker.check = function(docContent)
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{
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let checker = new HdrFtrFieldChecker();
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checker.traverseDocContent(docContent);
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return checker.haveField;
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};
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HdrFtrFieldChecker.prototype = Object.create(DocumentVisitor.prototype);
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HdrFtrFieldChecker.prototype.constructor = HdrFtrFieldChecker;
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HdrFtrFieldChecker.prototype.run = function(run)
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{
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for (let i = 0; i < run.GetElementsCount(); ++i)
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{
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let item = run.GetElement(i);
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if (item.IsFieldChar() && item.IsBegin())
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{
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let complexField = item.GetComplexField();
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let instruction = complexField ? complexField.GetInstruction() : null;
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if (instruction)
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this.checkFieldType(instruction.GetType());
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}
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else if (para_PageCount === item.Type || para_PageNum === item.Type)
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{
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this.stop();
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this.haveField = true;
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return true;
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}
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}
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return false;
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};
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HdrFtrFieldChecker.prototype.fldSimple = function(field, isStart)
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{
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if (!isStart)
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return false;
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this.checkFieldType(field.GetFieldType());
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return false;
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};
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HdrFtrFieldChecker.prototype.checkFieldType = function(type)
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{
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if (AscWord.fieldtype_PAGE === type || AscWord.fieldtype_NUMPAGES === type)
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{
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this.haveField = true;
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this.stop();
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}
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};
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AscWord.HdrFtrFieldChecker = HdrFtrFieldChecker;
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})(window);
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