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/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.xssf.model;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.poi.POIXMLDocumentPart;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.openxml4j.opc.PackageRelationship;
import org.apache.poi.ss.usermodel.BuiltinFormats;
import org.apache.poi.ss.usermodel.FontFamily;
import org.apache.poi.ss.usermodel.FontScheme;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFFont;
import org.apache.poi.xssf.usermodel.extensions.XSSFCellBorder;
import org.apache.poi.xssf.usermodel.extensions.XSSFCellFill;
import org.apache.xmlbeans.XmlException;
import org.apache.xmlbeans.XmlOptions;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTBorder;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTBorders;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTCellStyleXfs;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTCellXfs;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTDxf;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTDxfs;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTFill;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTFills;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTFont;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTFonts;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTNumFmt;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTNumFmts;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTStylesheet;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTXf;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.STPatternType;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.StyleSheetDocument;
/**
* Table of styles shared across all sheets in a workbook.
*
* @author ugo
*/
public class StylesTable extends POIXMLDocumentPart {
private final Map numberFormats = new LinkedHashMap();
private final List fonts = new ArrayList();
private final List fills = new ArrayList();
private final List borders = new ArrayList();
private final List styleXfs = new ArrayList();
private final List xfs = new ArrayList();
private final List dxfs = new ArrayList();
/**
* The first style id available for use as a custom style
*/
public static final int FIRST_CUSTOM_STYLE_ID = BuiltinFormats.FIRST_USER_DEFINED_FORMAT_INDEX + 1;
private StyleSheetDocument doc;
private ThemesTable theme;
/**
* Create a new, empty StylesTable
*/
public StylesTable() {
super();
doc = StyleSheetDocument.Factory.newInstance();
doc.addNewStyleSheet();
// Initialization required in order to make the document readable by MSExcel
initialize();
}
public StylesTable(PackagePart part, PackageRelationship rel) throws IOException {
super(part, rel);
readFrom(part.getInputStream());
}
public ThemesTable getTheme() {
return theme;
}
public void setTheme(ThemesTable theme) {
this.theme = theme;
// Pass the themes table along to things which need to
// know about it, but have already been created by now
for(XSSFFont font : fonts) {
font.setThemesTable(theme);
}
for(XSSFCellBorder border : borders) {
border.setThemesTable(theme);
}
}
/**
* Read this shared styles table from an XML file.
*
* @param is The input stream containing the XML document.
* @throws IOException if an error occurs while reading.
*/
@SuppressWarnings("deprecation") //YK: getXYZArray() array accessors are deprecated in xmlbeans with JDK 1.5 support
protected void readFrom(InputStream is) throws IOException {
try {
doc = StyleSheetDocument.Factory.parse(is);
CTStylesheet styleSheet = doc.getStyleSheet();
// Grab all the different bits we care about
CTNumFmts ctfmts = styleSheet.getNumFmts();
if( ctfmts != null){
for (CTNumFmt nfmt : ctfmts.getNumFmtArray()) {
numberFormats.put((int)nfmt.getNumFmtId(), nfmt.getFormatCode());
}
}
CTFonts ctfonts = styleSheet.getFonts();
if(ctfonts != null){
int idx = 0;
for (CTFont font : ctfonts.getFontArray()) {
// Create the font and save it. Themes Table supplied later
XSSFFont f = new XSSFFont(font, idx);
fonts.add(f);
idx++;
}
}
CTFills ctfills = styleSheet.getFills();
if(ctfills != null){
for (CTFill fill : ctfills.getFillArray()) {
fills.add(new XSSFCellFill(fill));
}
}
CTBorders ctborders = styleSheet.getBorders();
if(ctborders != null) {
for (CTBorder border : ctborders.getBorderArray()) {
borders.add(new XSSFCellBorder(border));
}
}
CTCellXfs cellXfs = styleSheet.getCellXfs();
if(cellXfs != null) xfs.addAll(Arrays.asList(cellXfs.getXfArray()));
CTCellStyleXfs cellStyleXfs = styleSheet.getCellStyleXfs();
if(cellStyleXfs != null) styleXfs.addAll(Arrays.asList(cellStyleXfs.getXfArray()));
CTDxfs styleDxfs = styleSheet.getDxfs();
if(styleDxfs != null) dxfs.addAll(Arrays.asList(styleDxfs.getDxfArray()));
} catch (XmlException e) {
throw new IOException(e.getLocalizedMessage());
}
}
// ===========================================================
// Start of style related getters and setters
// ===========================================================
public String getNumberFormatAt(int idx) {
return numberFormats.get(idx);
}
public int putNumberFormat(String fmt) {
if (numberFormats.containsValue(fmt)) {
// Find the key, and return that
for(Integer key : numberFormats.keySet() ) {
if(numberFormats.get(key).equals(fmt)) {
return key;
}
}
throw new IllegalStateException("Found the format, but couldn't figure out where - should never happen!");
}
// Find a spare key, and add that
int newKey = FIRST_CUSTOM_STYLE_ID;
while(numberFormats.containsKey(newKey)) {
newKey++;
}
numberFormats.put(newKey, fmt);
return newKey;
}
public XSSFFont getFontAt(int idx) {
return fonts.get(idx);
}
/**
* Records the given font in the font table.
* Will re-use an existing font index if this
* font matches another, EXCEPT if forced
* registration is requested.
* This allows people to create several fonts
* then customise them later.
* Note - End Users probably want to call
* {@link XSSFFont#registerTo(StylesTable)}
*/
public int putFont(XSSFFont font, boolean forceRegistration) {
int idx = -1;
if(!forceRegistration) {
idx = fonts.indexOf(font);
}
if (idx != -1) {
return idx;
}
idx = fonts.size();
fonts.add(font);
return idx;
}
public int putFont(XSSFFont font) {
return putFont(font, false);
}
public XSSFCellStyle getStyleAt(int idx) {
int styleXfId = 0;
// 0 is the empty default
if(xfs.get(idx).getXfId() > 0) {
styleXfId = (int) xfs.get(idx).getXfId();
}
return new XSSFCellStyle(idx, styleXfId, this, theme);
}
public int putStyle(XSSFCellStyle style) {
CTXf mainXF = style.getCoreXf();
if(! xfs.contains(mainXF)) {
xfs.add(mainXF);
}
return xfs.indexOf(mainXF);
}
public XSSFCellBorder getBorderAt(int idx) {
return borders.get(idx);
}
public int putBorder(XSSFCellBorder border) {
int idx = borders.indexOf(border);
if (idx != -1) {
return idx;
}
borders.add(border);
border.setThemesTable(theme);
return borders.size() - 1;
}
public XSSFCellFill getFillAt(int idx) {
return fills.get(idx);
}
public List getBorders(){
return borders;
}
public List getFills(){
return fills;
}
public List getFonts(){
return fonts;
}
public Map getNumberFormats(){
return numberFormats;
}
public int putFill(XSSFCellFill fill) {
int idx = fills.indexOf(fill);
if (idx != -1) {
return idx;
}
fills.add(fill);
return fills.size() - 1;
}
public CTXf getCellXfAt(int idx) {
return xfs.get(idx);
}
public int putCellXf(CTXf cellXf) {
xfs.add(cellXf);
return xfs.size();
}
public void replaceCellXfAt(int idx, CTXf cellXf) {
xfs.set(idx, cellXf);
}
public CTXf getCellStyleXfAt(int idx) {
return idx < styleXfs.size() ? styleXfs.get(idx) : null;
}
public int putCellStyleXf(CTXf cellStyleXf) {
styleXfs.add(cellStyleXf);
return styleXfs.size();
}
public void replaceCellStyleXfAt(int idx, CTXf cellStyleXf) {
styleXfs.set(idx, cellStyleXf);
}
/**
* get the size of cell styles
*/
public int getNumCellStyles(){
// Each cell style has a unique xfs entry
// Several might share the same styleXfs entry
return xfs.size();
}
/**
* For unit testing only
*/
public int _getNumberFormatSize() {
return numberFormats.size();
}
/**
* For unit testing only
*/
public int _getXfsSize() {
return xfs.size();
}
/**
* For unit testing only
*/
public int _getStyleXfsSize() {
return styleXfs.size();
}
/**
* For unit testing only!
*/
public CTStylesheet getCTStylesheet() {
return doc.getStyleSheet();
}
public int _getDXfsSize() {
return dxfs.size();
}
/**
* Write this table out as XML.
*
* @param out The stream to write to.
* @throws IOException if an error occurs while writing.
*/
public void writeTo(OutputStream out) throws IOException {
XmlOptions options = new XmlOptions(DEFAULT_XML_OPTIONS);
// Work on the current one
// Need to do this, as we don't handle
// all the possible entries yet
CTStylesheet styleSheet = doc.getStyleSheet();
// Formats
CTNumFmts formats = CTNumFmts.Factory.newInstance();
formats.setCount(numberFormats.size());
for (Entry fmt : numberFormats.entrySet()) {
CTNumFmt ctFmt = formats.addNewNumFmt();
ctFmt.setNumFmtId(fmt.getKey());
ctFmt.setFormatCode(fmt.getValue());
}
styleSheet.setNumFmts(formats);
int idx;
// Fonts
CTFonts ctFonts = styleSheet.getFonts();
if (ctFonts == null) {
ctFonts = CTFonts.Factory.newInstance();
}
ctFonts.setCount(fonts.size());
CTFont[] ctfnt = new CTFont[fonts.size()];
idx = 0;
for(XSSFFont f : fonts) ctfnt[idx++] = f.getCTFont();
ctFonts.setFontArray(ctfnt);
styleSheet.setFonts(ctFonts);
// Fills
CTFills ctFills = styleSheet.getFills();
if (ctFills == null) {
ctFills = CTFills.Factory.newInstance();
}
ctFills.setCount(fills.size());
CTFill[] ctf = new CTFill[fills.size()];
idx = 0;
for(XSSFCellFill f : fills) ctf[idx++] = f.getCTFill();
ctFills.setFillArray(ctf);
styleSheet.setFills(ctFills);
// Borders
CTBorders ctBorders = styleSheet.getBorders();
if (ctBorders == null) {
ctBorders = CTBorders.Factory.newInstance();
}
ctBorders.setCount(borders.size());
CTBorder[] ctb = new CTBorder[borders.size()];
idx = 0;
for(XSSFCellBorder b : borders) ctb[idx++] = b.getCTBorder();
ctBorders.setBorderArray(ctb);
styleSheet.setBorders(ctBorders);
// Xfs
if(xfs.size() > 0) {
CTCellXfs ctXfs = styleSheet.getCellXfs();
if (ctXfs == null) {
ctXfs = CTCellXfs.Factory.newInstance();
}
ctXfs.setCount(xfs.size());
ctXfs.setXfArray(
xfs.toArray(new CTXf[xfs.size()])
);
styleSheet.setCellXfs(ctXfs);
}
// Style xfs
if(styleXfs.size() > 0) {
CTCellStyleXfs ctSXfs = styleSheet.getCellStyleXfs();
if (ctSXfs == null) {
ctSXfs = CTCellStyleXfs.Factory.newInstance();
}
ctSXfs.setCount(styleXfs.size());
ctSXfs.setXfArray(
styleXfs.toArray(new CTXf[styleXfs.size()])
);
styleSheet.setCellStyleXfs(ctSXfs);
}
// Style dxfs
if(dxfs.size() > 0) {
CTDxfs ctDxfs = styleSheet.getDxfs();
if (ctDxfs == null) {
ctDxfs = CTDxfs.Factory.newInstance();
}
ctDxfs.setCount(dxfs.size());
ctDxfs.setDxfArray(dxfs.toArray(new CTDxf[dxfs.size()])
);
styleSheet.setDxfs(ctDxfs);
}
// Save
doc.save(out, options);
}
@Override
protected void commit() throws IOException {
PackagePart part = getPackagePart();
OutputStream out = part.getOutputStream();
writeTo(out);
out.close();
}
private void initialize() {
//CTFont ctFont = createDefaultFont();
XSSFFont xssfFont = createDefaultFont();
fonts.add(xssfFont);
CTFill[] ctFill = createDefaultFills();
fills.add(new XSSFCellFill(ctFill[0]));
fills.add(new XSSFCellFill(ctFill[1]));
CTBorder ctBorder = createDefaultBorder();
borders.add(new XSSFCellBorder(ctBorder));
CTXf styleXf = createDefaultXf();
styleXfs.add(styleXf);
CTXf xf = createDefaultXf();
xf.setXfId(0);
xfs.add(xf);
}
private static CTXf createDefaultXf() {
CTXf ctXf = CTXf.Factory.newInstance();
ctXf.setNumFmtId(0);
ctXf.setFontId(0);
ctXf.setFillId(0);
ctXf.setBorderId(0);
return ctXf;
}
private static CTBorder createDefaultBorder() {
CTBorder ctBorder = CTBorder.Factory.newInstance();
ctBorder.addNewBottom();
ctBorder.addNewTop();
ctBorder.addNewLeft();
ctBorder.addNewRight();
ctBorder.addNewDiagonal();
return ctBorder;
}
private static CTFill[] createDefaultFills() {
CTFill[] ctFill = new CTFill[]{CTFill.Factory.newInstance(),CTFill.Factory.newInstance()};
ctFill[0].addNewPatternFill().setPatternType(STPatternType.NONE);
ctFill[1].addNewPatternFill().setPatternType(STPatternType.DARK_GRAY);
return ctFill;
}
private static XSSFFont createDefaultFont() {
CTFont ctFont = CTFont.Factory.newInstance();
XSSFFont xssfFont=new XSSFFont(ctFont, 0);
xssfFont.setFontHeightInPoints(XSSFFont.DEFAULT_FONT_SIZE);
xssfFont.setColor(XSSFFont.DEFAULT_FONT_COLOR);//setTheme
xssfFont.setFontName(XSSFFont.DEFAULT_FONT_NAME);
xssfFont.setFamily(FontFamily.SWISS);
xssfFont.setScheme(FontScheme.MINOR);
return xssfFont;
}
public CTDxf getDxfAt(int idx) {
return dxfs.get(idx);
}
public int putDxf(CTDxf dxf) {
this.dxfs.add(dxf);
return this.dxfs.size();
}
public XSSFCellStyle createCellStyle() {
CTXf xf = CTXf.Factory.newInstance();
xf.setNumFmtId(0);
xf.setFontId(0);
xf.setFillId(0);
xf.setBorderId(0);
xf.setXfId(0);
int xfSize = styleXfs.size();
int indexXf = putCellXf(xf);
return new XSSFCellStyle(indexXf - 1, xfSize - 1, this, theme);
}
/**
* Finds a font that matches the one with the supplied attributes
*/
public XSSFFont findFont(short boldWeight, short color, short fontHeight, String name, boolean italic, boolean strikeout, short typeOffset, byte underline) {
for (XSSFFont font : fonts) {
if ( (font.getBoldweight() == boldWeight)
&& font.getColor() == color
&& font.getFontHeight() == fontHeight
&& font.getFontName().equals(name)
&& font.getItalic() == italic
&& font.getStrikeout() == strikeout
&& font.getTypeOffset() == typeOffset
&& font.getUnderline() == underline)
{
return font;
}
}
return null;
}
}
