Add handling of alternate content elements
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1803397 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andreas Beeker
parent
24138ef615
commit
b3c111a283
@ -34,6 +34,7 @@ import org.apache.poi.POIXMLDocumentPart;
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import org.apache.poi.POIXMLException;
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import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
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import org.apache.poi.openxml4j.opc.OPCPackage;
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import org.apache.poi.openxml4j.opc.PackageNamespaces;
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import org.apache.poi.openxml4j.opc.PackagePart;
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import org.apache.poi.openxml4j.opc.PackagePartName;
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import org.apache.poi.openxml4j.opc.PackageRelationship;
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@ -47,9 +48,14 @@ import org.apache.poi.sl.usermodel.Sheet;
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import org.apache.poi.util.Beta;
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import org.apache.poi.util.IOUtils;
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import org.apache.poi.util.Internal;
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import org.apache.poi.util.POILogFactory;
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import org.apache.poi.util.POILogger;
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import org.apache.poi.util.Removal;
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import org.apache.xmlbeans.XmlCursor;
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import org.apache.xmlbeans.XmlException;
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import org.apache.xmlbeans.XmlObject;
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import org.apache.xmlbeans.XmlOptions;
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import org.apache.xmlbeans.impl.values.XmlAnyTypeImpl;
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import org.openxmlformats.schemas.presentationml.x2006.main.CTCommonSlideData;
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import org.openxmlformats.schemas.presentationml.x2006.main.CTConnector;
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import org.openxmlformats.schemas.presentationml.x2006.main.CTGraphicalObjectFrame;
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@ -61,6 +67,8 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTShape;
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@Beta
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public abstract class XSLFSheet extends POIXMLDocumentPart
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implements XSLFShapeContainer, Sheet<XSLFShape,XSLFTextParagraph> {
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private static POILogger LOG = POILogFactory.getLogger(XSLFSheet.class);
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private XSLFCommonSlideData _commonSlideData;
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private XSLFDrawing _drawing;
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private List<XSLFShape> _shapes;
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@ -98,21 +106,44 @@ implements XSLFShapeContainer, Sheet<XSLFShape,XSLFTextParagraph> {
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protected static List<XSLFShape> buildShapes(CTGroupShape spTree, XSLFSheet sheet){
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List<XSLFShape> shapes = new ArrayList<XSLFShape>();
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for(XmlObject ch : spTree.selectPath("*")){
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if(ch instanceof CTShape){ // simple shape
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XSLFAutoShape shape = XSLFAutoShape.create((CTShape)ch, sheet);
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shapes.add(shape);
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} else if (ch instanceof CTGroupShape){
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shapes.add(new XSLFGroupShape((CTGroupShape)ch, sheet));
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} else if (ch instanceof CTConnector){
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shapes.add(new XSLFConnectorShape((CTConnector)ch, sheet));
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} else if (ch instanceof CTPicture){
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shapes.add(new XSLFPictureShape((CTPicture)ch, sheet));
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} else if (ch instanceof CTGraphicalObjectFrame){
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XSLFGraphicFrame shape = XSLFGraphicFrame.create((CTGraphicalObjectFrame)ch, sheet);
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shapes.add(shape);
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XmlCursor cur = spTree.newCursor();
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try {
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for (boolean b=cur.toFirstChild();b;b=cur.toNextSibling()) {
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XmlObject ch = cur.getObject();
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if(ch instanceof CTShape){
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// simple shape
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XSLFAutoShape shape = XSLFAutoShape.create((CTShape)ch, sheet);
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shapes.add(shape);
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} else if (ch instanceof CTGroupShape){
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shapes.add(new XSLFGroupShape((CTGroupShape)ch, sheet));
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} else if (ch instanceof CTConnector){
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shapes.add(new XSLFConnectorShape((CTConnector)ch, sheet));
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} else if (ch instanceof CTPicture){
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shapes.add(new XSLFPictureShape((CTPicture)ch, sheet));
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} else if (ch instanceof CTGraphicalObjectFrame){
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XSLFGraphicFrame shape = XSLFGraphicFrame.create((CTGraphicalObjectFrame)ch, sheet);
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shapes.add(shape);
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} else if (ch instanceof XmlAnyTypeImpl) {
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// TODO: the link of the XLSF classes to the xml beans objects will
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// be broken, when the elements are parsed a second time.
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// Unfortunately, the xml schema type can't be set of the alternate
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// content element
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cur.push();
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if (cur.toChild(PackageNamespaces.MARKUP_COMPATIBILITY, "Choice") && cur.toFirstChild()) {
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try {
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CTGroupShape grp = CTGroupShape.Factory.parse(cur.newXMLStreamReader());
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shapes.addAll(buildShapes(grp, sheet));
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} catch (XmlException e) {
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LOG.log(POILogger.DEBUG, "unparsable alternate content", e);
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}
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}
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cur.pop();
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}
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}
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} finally {
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cur.dispose();
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}
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return shapes;
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}
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@ -263,10 +294,12 @@ implements XSLFShapeContainer, Sheet<XSLFShape,XSLFTextParagraph> {
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*
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* @return an iterator over the shapes in this sheet
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*/
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@Override
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public Iterator<XSLFShape> iterator(){
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return getShapes().iterator();
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}
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@Override
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public void addShape(XSLFShape shape) {
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throw new UnsupportedOperationException(
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"Adding a shape from a different container is not supported -"
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@ -283,6 +316,7 @@ implements XSLFShapeContainer, Sheet<XSLFShape,XSLFTextParagraph> {
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* @throws IllegalArgumentException if the type of the specified shape
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* is incompatible with this sheet (optional)
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*/
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@Override
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public boolean removeShape(XSLFShape xShape) {
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XmlObject obj = xShape.getXmlObject();
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CTGroupShape spTree = getSpTree();
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@ -308,6 +342,7 @@ implements XSLFShapeContainer, Sheet<XSLFShape,XSLFTextParagraph> {
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* Removes all of the elements from this container (optional operation).
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* The container will be empty after this call returns.
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*/
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@Override
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public void clear() {
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List<XSLFShape> shapes = new ArrayList<XSLFShape>(getShapes());
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for(XSLFShape shape : shapes){
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@ -322,12 +357,15 @@ implements XSLFShapeContainer, Sheet<XSLFShape,XSLFTextParagraph> {
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XmlObject root = getXmlObject();
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XmlObject[] sp = root.selectPath(
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"declare namespace p='http://schemas.openxmlformats.org/presentationml/2006/main' .//*/p:spTree");
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if(sp.length == 0) throw new IllegalStateException("CTGroupShape was not found");
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if(sp.length == 0) {
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throw new IllegalStateException("CTGroupShape was not found");
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}
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_spTree = (CTGroupShape)sp[0];
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}
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return _spTree;
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}
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@Override
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protected final void commit() throws IOException {
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XmlOptions xmlOptions = new XmlOptions(DEFAULT_XML_OPTIONS);
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String docName = getRootElementName();
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@ -442,7 +480,9 @@ implements XSLFShapeContainer, Sheet<XSLFShape,XSLFTextParagraph> {
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XSLFSimpleShape getPlaceholder(CTPlaceholder ph) {
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XSLFSimpleShape shape = null;
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if(ph.isSetIdx()) shape = getPlaceholderById((int)ph.getIdx());
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if(ph.isSetIdx()) {
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shape = getPlaceholderById((int)ph.getIdx());
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}
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if (shape == null && ph.isSetType()) {
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shape = getPlaceholderByType(ph.getType().intValue());
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@ -520,6 +560,7 @@ implements XSLFShapeContainer, Sheet<XSLFShape,XSLFTextParagraph> {
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* Sheets that support the notion of master (slide, slideLayout) should override it and
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* check this setting in the sheet XML
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*/
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@Override
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public boolean getFollowMasterGraphics(){
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return false;
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}
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