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Impl #111 - [Export] Add support for exporting to XLSX
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...xtension.poi/src/org/eclipse/nebula/widgets/nattable/extension/poi/XSSFExcelExporter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2024 Dirk Fauth. | ||
| * | ||
| * This program and the accompanying materials are made | ||
| * available under the terms of the Eclipse Public License 2.0 | ||
| * which is available at https://www.eclipse.org/legal/epl-2.0/ | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Dirk Fauth <dirk.fauth@googlemail.com> - initial API and implementation | ||
| ******************************************************************************/ | ||
| package org.eclipse.nebula.widgets.nattable.extension.poi; | ||
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| import java.util.HashMap; | ||
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| import org.apache.poi.ss.usermodel.CellStyle; | ||
| import org.apache.poi.ss.usermodel.Font; | ||
| import org.apache.poi.ss.usermodel.Workbook; | ||
| import org.apache.poi.xssf.usermodel.XSSFColor; | ||
| import org.apache.poi.xssf.usermodel.XSSFFont; | ||
| import org.apache.poi.xssf.usermodel.XSSFWorkbook; | ||
| import org.eclipse.nebula.widgets.nattable.export.FileOutputStreamProvider; | ||
| import org.eclipse.nebula.widgets.nattable.export.IOutputStreamProvider; | ||
| import org.eclipse.swt.graphics.Color; | ||
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| public class XSSFExcelExporter extends PoiExcelExporter { | ||
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| private HashMap<Color, XSSFColor> colorIndex = new HashMap<>(); | ||
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| public XSSFExcelExporter() { | ||
| super(new FileOutputStreamProvider("table_export.xlsx", new String[] { "Excel Workbook (*.xlsx)" }, new String[] { "*.xlsx" })); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ | ||
| } | ||
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| public XSSFExcelExporter(IOutputStreamProvider outputStreamProvider) { | ||
| super(outputStreamProvider); | ||
| } | ||
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| @Override | ||
| protected Workbook createWorkbook() { | ||
| this.colorIndex = new HashMap<>(); | ||
| return new XSSFWorkbook(); | ||
| } | ||
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| @Override | ||
| protected void setFillForegroundColor(CellStyle xlCellStyle, Color swtColor) { | ||
| xlCellStyle.setFillForegroundColor(getColor(swtColor)); | ||
| } | ||
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| @Override | ||
| protected void setFontColor(Font xlFont, Color swtColor) { | ||
| ((XSSFFont) xlFont).setColor(getColor(swtColor)); | ||
| } | ||
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| private XSSFColor getColor(Color swtColor) { | ||
| return this.colorIndex.computeIfAbsent(swtColor, c -> { | ||
| byte[] rgb = { | ||
| (byte) swtColor.getRed(), | ||
| (byte) swtColor.getGreen(), | ||
| (byte) swtColor.getBlue() | ||
| }; | ||
| XSSFColor xc = new XSSFColor(rgb, null); | ||
| return xc; | ||
| }); | ||
| } | ||
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| } |