| /* ==================================================================== |
| 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.xslf.usermodel; |
| |
| import static org.apache.poi.POIXMLTypeLoader.DEFAULT_XML_OPTIONS; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.xml.namespace.QName; |
| |
| import org.apache.poi.POIXMLDocumentPart; |
| import org.apache.poi.openxml4j.opc.PackagePart; |
| import org.apache.poi.openxml4j.opc.PackageRelationship; |
| import org.apache.poi.util.Beta; |
| import org.apache.poi.util.Internal; |
| import org.apache.xmlbeans.XmlException; |
| import org.apache.xmlbeans.XmlObject; |
| import org.apache.xmlbeans.XmlOptions; |
| import org.openxmlformats.schemas.drawingml.x2006.main.CTBaseStyles; |
| import org.openxmlformats.schemas.drawingml.x2006.main.CTColor; |
| import org.openxmlformats.schemas.drawingml.x2006.main.CTColorMapping; |
| import org.openxmlformats.schemas.drawingml.x2006.main.CTColorScheme; |
| import org.openxmlformats.schemas.drawingml.x2006.main.CTOfficeStyleSheet; |
| import org.openxmlformats.schemas.drawingml.x2006.main.CTTextParagraphProperties; |
| import org.openxmlformats.schemas.drawingml.x2006.main.ThemeDocument; |
| |
| /** |
| * A shared style sheet in a .pptx slide show |
| * |
| * @author Yegor Kozlov |
| */ |
| @Beta |
| public class XSLFTheme extends POIXMLDocumentPart { |
| private CTOfficeStyleSheet _theme; |
| private Map<String, CTColor> _schemeColors; |
| |
| XSLFTheme() { |
| super(); |
| _theme = CTOfficeStyleSheet.Factory.newInstance(); |
| } |
| |
| /** |
| * @since POI 3.14-Beta1 |
| */ |
| public XSLFTheme(PackagePart part) throws IOException, XmlException { |
| super(part); |
| ThemeDocument doc = |
| ThemeDocument.Factory.parse(getPackagePart().getInputStream(), DEFAULT_XML_OPTIONS); |
| _theme = doc.getTheme(); |
| initialize(); |
| } |
| |
| /** |
| * @deprecated in POI 3.14, scheduled for removal in POI 3.16 |
| */ |
| @Deprecated |
| public XSLFTheme(PackagePart part, PackageRelationship rel) throws IOException, XmlException { |
| this(part); |
| } |
| |
| public void importTheme(XSLFTheme theme) { |
| _theme = theme.getXmlObject(); |
| _schemeColors = theme._schemeColors; |
| } |
| |
| private void initialize(){ |
| CTBaseStyles elems = _theme.getThemeElements(); |
| CTColorScheme scheme = elems.getClrScheme(); |
| // The color scheme is responsible for defining a list of twelve colors. |
| _schemeColors = new HashMap<String, CTColor>(12); |
| for(XmlObject o : scheme.selectPath("*")){ |
| CTColor c = (CTColor)o; |
| String name = c.getDomNode().getLocalName(); |
| _schemeColors.put(name, c); |
| } |
| } |
| |
| /** |
| * re-map colors |
| * |
| * @param cmap color map defined in the master slide referencing this theme |
| */ |
| void initColorMap(CTColorMapping cmap) { |
| _schemeColors.put("bg1", _schemeColors.get(cmap.getBg1().toString())); |
| _schemeColors.put("bg2", _schemeColors.get(cmap.getBg2().toString())); |
| _schemeColors.put("tx1", _schemeColors.get(cmap.getTx1().toString())); |
| _schemeColors.put("tx2", _schemeColors.get(cmap.getTx2().toString())); |
| } |
| |
| /** |
| * |
| * @return name of this theme, e.g. "Office Theme" |
| */ |
| public String getName(){ |
| return _theme.getName(); |
| } |
| |
| /** |
| * Set name of this theme |
| * |
| * @param name name of this theme |
| */ |
| public void setName(String name){ |
| _theme.setName(name); |
| } |
| |
| /** |
| * Get a color from the theme's color scheme by name |
| * |
| * @return a theme color or <code>null</code> if not found |
| */ |
| CTColor getCTColor(String name){ |
| return _schemeColors.get(name); |
| } |
| |
| /** |
| * While developing only! |
| */ |
| @Internal |
| public CTOfficeStyleSheet getXmlObject() { |
| return _theme; |
| } |
| |
| protected final void commit() throws IOException { |
| XmlOptions xmlOptions = new XmlOptions(DEFAULT_XML_OPTIONS); |
| xmlOptions.setSaveSyntheticDocumentElement( |
| new QName("http://schemas.openxmlformats.org/drawingml/2006/main", "theme")); |
| |
| PackagePart part = getPackagePart(); |
| OutputStream out = part.getOutputStream(); |
| getXmlObject().save(out, xmlOptions); |
| out.close(); |
| } |
| |
| /** |
| * @return typeface of the major font to use in a document. |
| * Typically the major font is used for heading areas of a document. |
| * |
| */ |
| public String getMajorFont(){ |
| return _theme.getThemeElements().getFontScheme().getMajorFont().getLatin().getTypeface(); |
| } |
| |
| /** |
| * @return typeface of the minor font to use in a document. |
| * Typically the monor font is used for normal text or paragraph areas. |
| * |
| */ |
| public String getMinorFont(){ |
| return _theme.getThemeElements().getFontScheme().getMinorFont().getLatin().getTypeface(); |
| } |
| |
| |
| CTTextParagraphProperties getDefaultParagraphStyle(){ |
| XmlObject[] o = _theme.selectPath( |
| "declare namespace p='http://schemas.openxmlformats.org/presentationml/2006/main' " + |
| "declare namespace a='http://schemas.openxmlformats.org/drawingml/2006/main' " + |
| ".//a:objectDefaults/a:spDef/a:lstStyle/a:defPPr"); |
| if(o.length == 1){ |
| return (CTTextParagraphProperties)o[0]; |
| } |
| return null; |
| } |
| |
| } |