Yajbir Singh
540 lines
13 KiB
JavaScript
540 lines
13 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 ()
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{
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const charWidth = AscTest.CharWidth * AscTest.FontSize;
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let dc = new AscWord.DocumentContent();
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dc.ClearContent(false);
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let para = new AscWord.Paragraph();
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dc.AddToContent(0, para);
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let run = new AscWord.Run();
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para.AddToContent(0, run);
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function recalculate(width)
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{
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dc.Reset(0, 0, width, 10000);
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dc.Recalculate_Page(0, true);
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}
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function setText(text)
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{
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run.ClearContent();
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run.AddText(text);
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}
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/**
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* @constructor
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*/
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function DocumentSettingsFake()
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{
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this.autoHyphenation = false;
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this.hyphenateCaps = true;
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this.hyphenLimit = 0;
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this.hyphenationZone = 0;
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this.compatibilityMode = AscCommon.document_compatibility_mode_Word12;
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}
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DocumentSettingsFake.prototype.getCompatibilityMode = function()
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{
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return this.compatibilityMode;
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};
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DocumentSettingsFake.prototype.getHyphenationZone = function()
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{
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return this.hyphenationZone;
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};
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DocumentSettingsFake.prototype.isAutoHyphenation = function()
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{
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return this.autoHyphenation;
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};
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DocumentSettingsFake.prototype.isHyphenateCaps = function()
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{
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return this.hyphenateCaps;
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};
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DocumentSettingsFake.prototype.getConsecutiveHyphenLimit = function()
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{
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return this.hyphenLimit;
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};
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let settings = new DocumentSettingsFake();
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let condensedSpaces = false;
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AscWord.ParagraphRecalculationWrapState.prototype.getDocumentSettings = function()
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{
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return settings;
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};
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AscWord.Paragraph.prototype.isAutoHyphenation = function()
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{
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return settings.isAutoHyphenation();
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};
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AscWord.TextHyphenator.prototype.isHyphenateCaps = function()
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{
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return settings.isHyphenateCaps();
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};
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AscWord.Paragraph.prototype.IsCondensedSpaces = function()
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{
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return condensedSpaces;
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};
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function setAutoHyphenation(isAuto)
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{
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settings.autoHyphenation = isAuto;
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}
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function setHyphenateCaps(isHyphenate)
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{
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settings.hyphenateCaps = isHyphenate;
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}
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function setHyphenLimit(limit)
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{
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settings.hyphenLimit = limit;
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}
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function setHyphenationZone(zone)
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{
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settings.hyphenationZone = AscCommon.MMToTwips(zone);
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}
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function setCondensedSpaces(isCondensed)
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{
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condensedSpaces = isCondensed;
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}
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function setCompatibilityMode(mode)
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{
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settings.compatibilityMode = mode;
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}
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function checkLines(assert, isAutoHyphenation, contentWidth, textLines)
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{
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setAutoHyphenation(isAutoHyphenation);
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recalculate(contentWidth);
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assert.strictEqual(para.GetLinesCount(), textLines.length, "Check lines count " + textLines.length);
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for (let line = 0, lineBreakPos = 0; line < textLines.length; ++line)
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{
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lineBreakPos += textLines[line].length;
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let lineText = textLines[line];
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if (textLines[line].length && "-" === textLines[line].charAt(textLines[line].length - 1))
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{
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--lineBreakPos;
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checkAutoHyphenAfter(assert, lineBreakPos - 1, true);
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lineText = textLines[line].substr(0, textLines[line].length - 1);
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}
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else
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{
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checkAutoHyphenAfter(assert, lineBreakPos - 1, false);
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}
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assert.strictEqual(para.GetTextOnLine(line), lineText, "Text on line " + line + " '" + textLines[line] + "'");
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}
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}
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function checkAutoHyphenAfter(assert, itemPos, isHyphen, _run)
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{
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let __run = _run ? _run : run;
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let runItem = __run.GetElement(itemPos);
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if (!runItem.IsText())
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assert.strictEqual(false, isHyphen, "Check auto hyphen after symbol");
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else
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assert.strictEqual(runItem.IsTemporaryHyphenAfter(), isHyphen, "Check auto hyphen after symbol");
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}
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QUnit.module("Text hyphenation",
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{
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beforeEach : function ()
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{
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setAutoHyphenation(false);
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setHyphenateCaps(true);
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setHyphenLimit(0);
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setCompatibilityMode(AscCommon.document_compatibility_mode_Word12);
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}
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});
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QUnit.test("Test: \"Test regular line break cases\"", function (assert)
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{
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setText("abcd abcd aaabbb");
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checkLines(assert, false, charWidth * 8.5, [
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"abcd ",
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"abcd ",
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"aaabbb"
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]);
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checkLines(assert, true, charWidth * 8.5, [
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"abcd ab-",
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"cd aaa-",
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"bbb"
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]);
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// Дефис переноса не убирается
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checkLines(assert, true, charWidth * 7.5, [
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"abcd ",
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"abcd ",
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"aaabbb"
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]);
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// Перенос на первой букве
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setText("abbb");
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checkLines(assert, false, charWidth * 3.5, [
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"abb",
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"b",
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]);
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checkLines(assert, true, charWidth * 3.5, [
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"a-",
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"bbb",
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]);
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setText("aabbbcccdddd");
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checkLines(assert, false, charWidth * 3.5, [
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"aab",
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"bbc",
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"ccd",
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"ddd"
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]);
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checkLines(assert, true, charWidth * 3.5, [
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"aa-",
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"bbb",
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"ccc",
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"ddd",
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"d"
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]);
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});
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QUnit.test("Test: \"Test edge cases\"", function (assert)
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{
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setText("aaaa zz½www bbbb");
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checkLines(assert, false, charWidth * 7.5, [
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"aaaa ",
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"zz½www ",
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"bbbb"
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]);
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checkLines(assert, true, charWidth * 7.5, [
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"aaaa ",
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"zz½www ",
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"bbbb"
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]);
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checkLines(assert, true, charWidth * 8.5, [
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"aaaa zz-",
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"½www bbbb"
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]);
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// Перенос идет после второго символа z, а следующий за ним символ меньше по ширине, чем
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// размер дефиса, который мы рисуем во время переноса
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setText("zz½www");
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checkLines(assert, false, charWidth * 2.75, [
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"zz½",
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"ww",
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"w"
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]);
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checkLines(assert, true, charWidth * 3.25, [
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"zz-",
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"½ww",
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"w"
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]);
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checkLines(assert, true, charWidth * 2.75, [
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"zz½",
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"ww",
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"w"
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]);
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checkLines(assert, true, charWidth * 2.25, [
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"zz",
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"½w",
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"ww"
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]);
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// Специальная ситуация, когда во время прилегания влево не убирается знак переноса, но при прилегании
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// по ширине перенос начинает убираться
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setCondensedSpaces(true);
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setText("a b c d aabbb");
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checkLines(assert, true, charWidth * 10.5, [
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"a b c d aa-",
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"bbb"
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]);
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setCondensedSpaces(false);
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// TODO: Разобрать случай, когда перенос слова происходит в двух (или более местах) и следующее место переноса
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// надо начинать считать с последнего места переноса, а не с начала слова
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// TODO: Случай, когда одно длинное слово разбивается по переносам и целиком переходит на следующую страницу
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// из-за этого
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});
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QUnit.test("Test: \"Test DoNotHyphenateCaps parameter\"", function (assert)
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{
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setText("abcde AAABBB aaabbb");
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checkLines(assert, false, charWidth * 11.5, [
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"abcde ",
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"AAABBB ",
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"aaabbb"
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]);
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setHyphenateCaps(true);
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checkLines(assert, true, charWidth * 11.5, [
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"abcde AAA-",
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"BBB aaabbb"
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]);
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setHyphenateCaps(false);
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checkLines(assert, true, charWidth * 11.5, [
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"abcde ",
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"AAABBB aaa-",
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"bbb"]
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);
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});
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QUnit.test("Test: \"Test ConsecutiveHyphenLimit parameter for different words\"", function (assert)
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{
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setText("abcd aabbb ABBBB abbb AABBB abbbb aabbbb abcd");
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checkLines(assert, false, charWidth * 8.5, [
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"abcd ",
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"aabbb ",
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"ABBBB ",
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"abbb ",
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"AABBB ",
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"abbbb ",
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"aabbbb ",
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"abcd"
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]);
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checkLines(assert, true, charWidth * 8.5, [
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"abcd aa-",
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"bbb A-",
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"BBBB a-",
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"bbb AA-",
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"BBB a-",
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"bbbb aa-",
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"bbbb ab-",
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"cd"
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]);
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setHyphenLimit(1);
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checkLines(assert, true, charWidth * 8.5, [
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"abcd aa-",
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"bbb ",
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"ABBBB a-",
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"bbb ",
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"AABBB a-",
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"bbbb ",
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"aabbbb ",
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"abcd"
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]);
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setHyphenLimit(2);
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checkLines(assert, true, charWidth * 8.5, [
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"abcd aa-",
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"bbb A-",
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"BBBB ",
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"abbb AA-",
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"BBB a-",
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"bbbb ",
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"aabbbb ",
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"abcd"
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])
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setHyphenLimit(3);
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checkLines(assert, true, charWidth * 8.5, [
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"abcd aa-",
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"bbb A-",
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"BBBB a-",
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"bbb ",
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"AABBB a-",
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"bbbb aa-",
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"bbbb ab-",
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"cd"
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]);
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});
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QUnit.test("Test: \"Test ConsecutiveHyphenLimit parameter for single word\"", function(assert)
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{
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setText("aabbbcccdddd");
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checkLines(assert, false, charWidth * 4.5, [
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"aabb",
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"bccc",
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"dddd"
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]);
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checkLines(assert, true, charWidth * 4.5, [
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"aa-",
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"bbb-",
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"ccc-",
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"dddd"
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]);
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// В этом примере важно, что ccdddd тоже переносится по второму символу
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setHyphenLimit(1);
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checkLines(assert, true, charWidth * 4.5, [
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"aa-",
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"bbbc",
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"cc-",
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"dddd"
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]);
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setHyphenLimit(2);
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checkLines(assert, true, charWidth * 4.5, [
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"aa-",
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"bbb-",
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"cccd",
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"ddd"
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]);
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});
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QUnit.test("Test: \"Test HyphenationZone parameter\"", function(assert)
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{
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// На длинном слове, единственном на строке, не работает HyphenationZone (проверял на MS2019)
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setText("aabbbcccdddd");
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setHyphenationZone(2.5 * charWidth);
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checkLines(assert, true, charWidth * 4.5, [
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"aa-",
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"bbb-",
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"ccc-",
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"dddd"
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]);
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setHyphenationZone(4.5 * charWidth);
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checkLines(assert, true, charWidth * 4.5, [
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"aa-",
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"bbb-",
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"ccc-",
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"dddd"
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]);
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setText("a aabbbcccdddd");
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setHyphenationZone(2.5 * charWidth);
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checkLines(assert, true, charWidth * 5.5, [
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"a aa-",
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"bbb-",
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"ccc-",
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"dddd"
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]);
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setHyphenationZone(4.5 * charWidth);
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checkLines(assert, true, charWidth * 5.5, [
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"a ",
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"aa-",
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"bbb-",
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"ccc-",
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"dddd"
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]);
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setText("abcd aabbb ABBBB abbbb ABB abbbb aabbbb abcd");
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setHyphenationZone(1.5 * charWidth);
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checkLines(assert, true, charWidth * 8.5, [
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"abcd aa-",
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"bbb A-",
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"BBBB a-",
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"bbbb ABB ",
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"abbbb ",
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"aabbbb ",
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"abcd"
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]);
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setHyphenationZone(4 * charWidth);
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checkLines(assert, true, charWidth * 8.5, [
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"abcd ",
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"aabbb ",
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"ABBBB ",
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"abbbb ",
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"ABB a-",
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"bbbb ",
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"aabbbb ",
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"abcd"
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]);
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// Делаем как в MSWord (проверено в 2019 версии)
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// HyphenationZone расчитываерся начиная от левого поля, а не от левого края параграфа, но прибавляется
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// текущий сдвиг относительно левого края параграфа
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para.SetParagraphIndent({Left : 10 * charWidth, FirstLine : 0});
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setHyphenationZone(4 * charWidth);
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checkLines(assert, true, charWidth * 18.5, [
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"abcd aa-",
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"bbb A-",
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"BBBB a-",
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"bbbb ABB ",
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"abbbb ",
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"aabbbb ",
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"abcd"
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]);
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para.SetParagraphIndent({Left : 0, FirstLine : 0});
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// TODO: Реализовать этот случай
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// Проверяем, что расчет HyphenationZone идет с начала слова, а не с места первого разрыва
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// setText("abcd aabbbcccdddd");
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//
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// setHyphenationZone(6 * charWidth);
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// checkLines(assert, true, charWidth * 15.5, [
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// "abcd aabbbccc-",
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// "dddd"
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// ]);
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//
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// setHyphenationZone(9 * charWidth);
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// checkLines(assert, true, charWidth * 15.5, [
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// "abcd aabbbccc-",
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// "dddd"
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// ]);
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//
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// setHyphenationZone(12 * charWidth);
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// checkLines(assert, true, charWidth * 15.5, [
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// "abcd ",
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// "aabbbcccdddd"
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// ]);
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// Начиная с 15-ой версии параметр hyphenationZone не учитывается, и всегда предполагается, что он
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// равен стандартному значению
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setText("abcd aaaaabbb");
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setHyphenationZone(7.5 * charWidth);
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setCompatibilityMode(AscCommon.document_compatibility_mode_Word15);
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checkLines(assert, true, charWidth * 12.5, [
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"abcd aaaaa-",
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"bbb",
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]);
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setCompatibilityMode(AscCommon.document_compatibility_mode_Word12);
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checkLines(assert, true, charWidth * 12.5, [
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"abcd ",
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"aaaaabbb",
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]);
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});
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});
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