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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.xslf.usermodel;
-
- import static org.apache.poi.ooxml.POIXMLTypeLoader.DEFAULT_XML_OPTIONS;
-
- import java.io.IOException;
- import java.io.OutputStream;
-
- import javax.xml.namespace.QName;
-
- import org.apache.poi.ooxml.POIXMLDocumentPart;
- import org.apache.poi.openxml4j.opc.PackagePart;
- import org.apache.poi.util.Beta;
- import org.apache.poi.util.Internal;
- import org.apache.xmlbeans.XmlException;
- 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.CTColorScheme;
- import org.openxmlformats.schemas.drawingml.x2006.main.CTOfficeStyleSheet;
- import org.openxmlformats.schemas.drawingml.x2006.main.ThemeDocument;
-
- /**
- * A shared style sheet in a .pptx slide show
- */
- @Beta
- public class XSLFTheme extends POIXMLDocumentPart {
- private CTOfficeStyleSheet _theme;
-
- XSLFTheme() {
- _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();
- }
-
- @SuppressWarnings("WeakerAccess")
- public void importTheme(XSLFTheme theme) {
- _theme = theme.getXmlObject();
- }
-
- /**
- *
- * @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
- */
- @Internal
- public CTColor getCTColor(String name) {
- CTBaseStyles elems = _theme.getThemeElements();
- CTColorScheme scheme = (elems == null) ? null : elems.getClrScheme();
- return getMapColor(name, scheme);
- }
-
-
- private static CTColor getMapColor(String mapName, CTColorScheme scheme) {
- if (mapName == null || scheme == null) {
- return null;
- }
- switch (mapName) {
- case "accent1":
- return scheme.getAccent1();
- case "accent2":
- return scheme.getAccent2();
- case "accent3":
- return scheme.getAccent3();
- case "accent4":
- return scheme.getAccent4();
- case "accent5":
- return scheme.getAccent5();
- case "accent6":
- return scheme.getAccent6();
- case "dk1":
- return scheme.getDk1();
- case "dk2":
- return scheme.getDk2();
- case "folHlink":
- return scheme.getFolHlink();
- case "hlink":
- return scheme.getHlink();
- case "lt1":
- return scheme.getLt1();
- case "lt2":
- return scheme.getLt2();
- default:
- return null;
- }
- }
-
- /**
- * While developing only!
- */
- @Internal
- public CTOfficeStyleSheet getXmlObject() {
- return _theme;
- }
-
- @Override
- protected final void commit() throws IOException {
- XmlOptions xmlOptions = new XmlOptions(DEFAULT_XML_OPTIONS);
- xmlOptions.setSaveSyntheticDocumentElement(
- new QName(XSLFRelation.NS_DRAWINGML, "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.
- *
- */
- @SuppressWarnings("WeakerAccess")
- 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.
- *
- */
- @SuppressWarnings("WeakerAccess")
- public String getMinorFont(){
- return _theme.getThemeElements().getFontScheme().getMinorFont().getLatin().getTypeface();
- }
- }
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