198 lines
7.8 KiB
JavaScript
198 lines
7.8 KiB
JavaScript
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/*
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* (c) Copyright Ascensio System SIA 2010-2014
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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 Lubanas st. 125a-25, Riga, Latvia,
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* EU, LV-1021.
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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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(function ($, window, undefined) {
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var asc = window["Asc"];
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var asc_lastindexof = asc.lastIndexOf;
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var asc_inherit = asc.inherit;
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var asc_SR = asc.StringRender;
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function CharOffset(left, top, height, line) {
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this.left = left;
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this.top = top;
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this.height = height;
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this.lineIndex = line;
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}
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function CellTextRender(drawingCtx) {
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if (! (this instanceof CellTextRender)) {
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return new CellTextRender(drawingCtx);
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}
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CellTextRender.superclass.constructor.call(this, drawingCtx);
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return this;
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}
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var CellTextRender_methods = {
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reWordBegining: XRegExp("[^\\p{L}\\p{N}][\\p{L}\\p{N}]", "i"),
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getLinesCount: function () {
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return this.lines.length;
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},
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getLineInfo: function (index) {
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return this.lines.length > 0 && index >= 0 && index < this.lines.length ? this.lines[index] : null;
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},
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calcLineOffset: function (index) {
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for (var i = 0, h = 0, l = this.lines; i < index; ++i) {
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h += l[i].th;
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}
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return h;
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},
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getPrevChar: function (pos) {
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return pos <= 0 ? 0 : pos <= this.chars.length ? pos - 1 : this.chars.length;
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},
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getNextChar: function (pos) {
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return pos >= this.chars.length ? this.chars.length : pos >= 0 ? pos + 1 : 0;
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},
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getPrevWord: function (pos) {
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var i = asc_lastindexof(this.chars.slice(0, pos), this.reWordBegining);
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return i >= 0 ? i + 1 : 0;
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},
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getNextWord: function (pos) {
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var i = this.chars.slice(pos).search(this.reWordBegining);
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return pos + (i >= 0 ? i + 1 : 0);
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},
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getBeginOfLine: function (pos) {
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pos = pos < 0 ? 0 : Math.min(pos, this.chars.length);
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for (var l = this.lines, i = 0; i < l.length; ++i) {
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if (pos >= l[i].beg && pos <= l[i].end) {
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return l[i].beg;
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}
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}
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var lastLine = l.length - 1;
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var lastChar = this.chars.length - 1;
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return this.charWidths[lastChar] !== 0 ? l[lastLine].beg : pos;
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},
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getEndOfLine: function (pos) {
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pos = pos < 0 ? 0 : Math.min(pos, this.chars.length);
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var l = this.lines;
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var lastLine = l.length - 1;
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for (var i = 0; i < lastLine; ++i) {
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if (pos >= l[i].beg && pos <= l[i].end) {
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return l[i].end;
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}
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}
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var lastChar = this.chars.length - 1;
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return pos > lastChar ? pos : lastChar + (this.charWidths[lastChar] !== 0 ? 1 : 0);
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},
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getBeginOfText: function (pos) {
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return 0;
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},
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getEndOfText: function (pos) {
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return this.chars.length;
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},
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getPrevLine: function (pos) {
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pos = pos < 0 ? 0 : Math.min(pos, this.chars.length);
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for (var l = this.lines, i = 0; i < l.length; ++i) {
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if (pos >= l[i].beg && pos <= l[i].end) {
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return i <= 0 ? 0 : Math.min(l[i - 1].beg + pos - l[i].beg, l[i - 1].end);
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}
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}
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var lastLine = l.length - 1;
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var lastChar = this.chars.length - 1;
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return this.charWidths[lastChar] === 0 || l.length < 2 ? (0 > lastLine ? 0 : l[lastLine].beg) : lastChar > 0 ? Math.min(l[lastLine - 1].beg + pos - l[lastLine].beg, l[lastLine - 1].end) : 0;
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},
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getNextLine: function (pos) {
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pos = pos < 0 ? 0 : Math.min(pos, this.chars.length);
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var l = this.lines;
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var lastLine = l.length - 1;
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for (var i = 0; i < lastLine; ++i) {
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if (pos >= l[i].beg && pos <= l[i].end) {
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return Math.min(l[i + 1].beg + pos - l[i].beg, l[i + 1].end);
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}
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}
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return this.chars.length;
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},
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calcCharOffset: function (pos) {
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var t = this,
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l = t.lines,
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i = 0,
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h = 0,
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co;
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function getCharInfo(pos) {
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for (var p = t.charProps[pos];
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(!p || !p.font) && pos > 0; --pos) {
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p = t.charProps[pos - 1];
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}
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return {
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fsz: p.font.FontSize,
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dh: p && p.lm && p.lm.bl2 > 0 ? p.lm.bl2 - p.lm.bl : 0
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};
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}
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function charOffset(lineIndex) {
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var ci = getCharInfo(pos);
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var li = l[lineIndex];
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return new CharOffset(li.startX + (pos > 0 ? t._calcCharsWidth(li.beg, pos - 1) : 0), h + li.bl - ci.fsz + ci.dh, ci.fsz, lineIndex);
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}
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if (l.length < 1) {
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return null;
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}
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if (pos < 0) {
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pos = 0;
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}
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if (pos > t.chars.length) {
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pos = t.chars.length;
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}
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for (i = 0, h = 0; i < l.length; ++i) {
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if (pos >= l[i].beg && pos <= l[i].end) {
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return charOffset(i);
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}
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if (i !== l.length - 1) {
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h += l[i].th;
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}
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}
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co = charOffset(i - 1);
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if (t.charWidths[t.chars.length - 1] === 0) {
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co.left = null;
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co.top += l[i - 1].th;
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co.lineIndex++;
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}
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return co;
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},
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calcCharHeight: function (pos) {
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var t = this;
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for (var p = t.charProps[pos];
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(!p || !p.font) && pos > 0; --pos) {
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p = t.charProps[pos - 1];
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}
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return t._calcLineMetrics(p.fsz !== undefined ? p.fsz : p.font.FontSize, p.va, p.fm, t.drawingCtx.getPPIY());
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},
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getCharsCount: function () {
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return this.chars.length;
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},
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getChars: function (pos, len) {
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return this.chars.slice(pos, pos + len);
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},
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getCharWidth: function (pos) {
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return this.charWidths[pos];
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},
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isLastCharNL: function () {
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return this.charWidths[this.chars.length - 1] === 0;
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}
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};
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asc_inherit(CellTextRender, asc_SR, CellTextRender_methods);
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window["Asc"].CellTextRender = CellTextRender;
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})(jQuery, window);
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