poi-ooxml/src/main/java/org/apache/poi/xslf/usermodel/XSLFSlide.java - poi - Git at Google

 /* ====================================================================
    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.awt.Graphics2D;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;

 import org.apache.poi.ooxml.POIXMLDocumentPart;
 import org.apache.poi.ooxml.util.DocumentHelper;
 import org.apache.poi.openxml4j.opc.PackagePart;
 import org.apache.poi.sl.draw.DrawFactory;
 import org.apache.poi.sl.draw.Drawable;
 import org.apache.poi.sl.usermodel.Notes;
 import org.apache.poi.sl.usermodel.Placeholder;
 import org.apache.poi.sl.usermodel.Slide;
 import org.apache.poi.util.Beta;
 import org.apache.poi.util.NotImplemented;
 import org.apache.xmlbeans.XmlException;
 import org.openxmlformats.schemas.drawingml.x2006.main.CTGroupShapeProperties;
 import org.openxmlformats.schemas.drawingml.x2006.main.CTGroupTransform2D;
 import org.openxmlformats.schemas.drawingml.x2006.main.CTNonVisualDrawingProps;
 import org.openxmlformats.schemas.drawingml.x2006.main.CTPoint2D;
 import org.openxmlformats.schemas.drawingml.x2006.main.CTPositiveSize2D;
 import org.openxmlformats.schemas.presentationml.x2006.main.CTBackground;
 import org.openxmlformats.schemas.presentationml.x2006.main.CTComment;
 import org.openxmlformats.schemas.presentationml.x2006.main.CTCommonSlideData;
 import org.openxmlformats.schemas.presentationml.x2006.main.CTGroupShape;
 import org.openxmlformats.schemas.presentationml.x2006.main.CTGroupShapeNonVisual;
 import org.openxmlformats.schemas.presentationml.x2006.main.CTSlide;
 import org.openxmlformats.schemas.presentationml.x2006.main.SldDocument;
 import org.w3c.dom.Document;
 import org.xml.sax.SAXException;

 @Beta
 public final class XSLFSlide extends XSLFSheet
 implements Slide<XSLFShape,XSLFTextParagraph> {
     private final CTSlide _slide;
     private XSLFSlideLayout _layout;
     private XSLFComments _comments;
     private XSLFCommentAuthors _commentAuthors;
     private XSLFNotes _notes;

     /**
      * Create a new slide
      */
     XSLFSlide() {
         super();
         _slide = prototype();
     }

     /**
      * Construct a SpreadsheetML slide from a package part
      *
      * @param part the package part holding the slide data,
      * the content type must be <code>application/vnd.openxmlformats-officedocument.slide+xml</code>
      *
      * @since POI 3.14-Beta1
      */
     XSLFSlide(PackagePart part) throws IOException, XmlException {
         super(part);

         Document _doc;
         try {
             _doc = DocumentHelper.readDocument(getPackagePart().getInputStream());
         } catch (SAXException e) {
             throw new IOException(e);
         }

         SldDocument doc = SldDocument.Factory.parse(_doc, DEFAULT_XML_OPTIONS);
         _slide = doc.getSld();
     }

     private static CTSlide prototype(){
         CTSlide ctSlide = CTSlide.Factory.newInstance();
         CTCommonSlideData cSld = ctSlide.addNewCSld();
         CTGroupShape spTree = cSld.addNewSpTree();

         CTGroupShapeNonVisual nvGrpSpPr = spTree.addNewNvGrpSpPr();
         CTNonVisualDrawingProps cnvPr = nvGrpSpPr.addNewCNvPr();
         cnvPr.setId(1);
         cnvPr.setName("");
         nvGrpSpPr.addNewCNvGrpSpPr();
         nvGrpSpPr.addNewNvPr();

         CTGroupShapeProperties grpSpr = spTree.addNewGrpSpPr();
         CTGroupTransform2D xfrm = grpSpr.addNewXfrm();
         CTPoint2D off = xfrm.addNewOff();
         off.setX(0);
         off.setY(0);
         CTPositiveSize2D ext = xfrm.addNewExt();
         ext.setCx(0);
         ext.setCy(0);
         CTPoint2D choff = xfrm.addNewChOff();
         choff.setX(0);
         choff.setY(0);
         CTPositiveSize2D chExt = xfrm.addNewChExt();
         chExt.setCx(0);
         chExt.setCy(0);
         ctSlide.addNewClrMapOvr().addNewMasterClrMapping();
         return ctSlide;
     }

     @Override
     public CTSlide getXmlObject() {
         return _slide;
     }

     @Override
     protected String getRootElementName(){
         return "sld";
     }

     @SuppressWarnings({"WeakerAccess", "ProtectedMemberInFinalClass"})
     protected void removeChartRelation(XSLFChart chart) {
         removeRelation(chart);
     }

     @SuppressWarnings({"WeakerAccess", "ProtectedMemberInFinalClass"})
     protected void removeLayoutRelation(XSLFSlideLayout layout) {
         removeRelation(layout, false);
     }

     @Override
     public XSLFSlideLayout getMasterSheet(){
         return getSlideLayout();
     }

     @Override
     public XSLFSlideLayout getSlideLayout(){
         if(_layout == null){
             for (POIXMLDocumentPart p : getRelations()) {
                 if (p instanceof XSLFSlideLayout){
                     _layout = (XSLFSlideLayout)p;
                 }
             }
         }
         if(_layout == null) {
             throw new IllegalArgumentException("SlideLayout was not found for " + this);
         }
         return _layout;
     }

     public XSLFSlideMaster getSlideMaster(){
         return getSlideLayout().getSlideMaster();
     }

     /**
      * @return the comments part or {@code null} if there weren't any comments
      * @since POI 4.0.0
      */
     @SuppressWarnings("WeakerAccess")
     public XSLFComments getCommentsPart() {
         if(_comments == null) {
             for (POIXMLDocumentPart p : getRelations()) {
                 if (p instanceof XSLFComments) {
                     _comments = (XSLFComments)p;
                     break;
                 }
             }
         }

         return _comments;
     }

     /**
      * @return the comment authors part or {@code null} if there weren't any comments
      * @since POI 4.0.0
      */
     @SuppressWarnings("WeakerAccess")
     public XSLFCommentAuthors getCommentAuthorsPart() {
         if(_commentAuthors == null) {
             // first scan the slide relations
             for (POIXMLDocumentPart p : getRelations()) {
                 if (p instanceof XSLFCommentAuthors) {
                     _commentAuthors = (XSLFCommentAuthors)p;
                     return _commentAuthors;
                 }
             }
             // then scan the presentation relations
             for (POIXMLDocumentPart p : getSlideShow().getRelations()) {
                 if (p instanceof XSLFCommentAuthors) {
                     _commentAuthors = (XSLFCommentAuthors)p;
                     return _commentAuthors;
                 }
             }
         }

         return null;
     }


     @Override
     public List<XSLFComment> getComments() {
         final List<XSLFComment> comments = new ArrayList<>();
         final XSLFComments xComments = getCommentsPart();
         final XSLFCommentAuthors xAuthors = getCommentAuthorsPart();
         if (xComments != null) {
             for (final CTComment xc : xComments.getCTCommentsList().getCmArray()) {
                 comments.add(new XSLFComment(xc, xAuthors));
             }
         }

         return comments;
     }

     @Override
     public XSLFNotes getNotes() {
         if(_notes == null) {
             for (POIXMLDocumentPart p : getRelations()) {
                 if (p instanceof XSLFNotes){
                     _notes = (XSLFNotes)p;
                 }
             }
         }
         if(_notes == null) {
             // This slide lacks notes
             // Not all have them, sorry...
             return null;
         }
         return _notes;
     }

     @Override
     public String getTitle(){
         XSLFTextShape txt = getTextShapeByType(Placeholder.TITLE);
         return txt == null ? null : txt.getText();
     }

     @Override
     public XSLFTheme getTheme(){
         return getSlideLayout().getSlideMaster().getTheme();
     }

     /**
      *
      * @return the information about background appearance of this slide
      */
     @Override
     public XSLFBackground getBackground() {
         CTBackground bg = _slide.getCSld().getBg();
         if(bg != null) {
             return new XSLFBackground(bg, this);
         } else {
             return getMasterSheet().getBackground();
         }
     }

     @Override
     public boolean getFollowMasterGraphics(){
         return _slide.getShowMasterSp();
     }

     /**
      *
      * @param value whether shapes on the master slide should be shown or not.
      */
     @SuppressWarnings("WeakerAccess")
     public void setFollowMasterGraphics(boolean value){
         _slide.setShowMasterSp(value);
     }


     @Override
     public boolean getFollowMasterObjects() {
         return getFollowMasterGraphics();
     }

     @Override
     public void setFollowMasterObjects(boolean follow) {
         setFollowMasterGraphics(follow);
     }

     @Override
     public XSLFSlide importContent(XSLFSheet src){
         super.importContent(src);
         if (!(src instanceof XSLFSlide)) {
             return this;
         }

         XSLFNotes srcNotes = ((XSLFSlide)src).getNotes();
         if (srcNotes != null) {
             getSlideShow().getNotesSlide(this).importContent(srcNotes);
         }

         // only copy direct backgrounds - not backgrounds of master sheet
         CTBackground bgOther = ((XSLFSlide)src)._slide.getCSld().getBg();
         if (bgOther == null) {
             return this;
         }

         CTBackground bgThis = _slide.getCSld().getBg();
         // remove existing background
         if (bgThis != null) {
             if (bgThis.isSetBgPr() && bgThis.getBgPr().isSetBlipFill()) {
                 String oldId = bgThis.getBgPr().getBlipFill().getBlip().getEmbed();
                 removeRelation(oldId);
             }
             _slide.getCSld().unsetBg();
         }

         bgThis = (CTBackground)_slide.getCSld().addNewBg().set(bgOther);

         if(bgOther.isSetBgPr() && bgOther.getBgPr().isSetBlipFill()){
             String idOther = bgOther.getBgPr().getBlipFill().getBlip().getEmbed();
             String idThis = importBlip(idOther, src);
             bgThis.getBgPr().getBlipFill().getBlip().setEmbed(idThis);

         }

         return this;
     }

     @Override
     public boolean getFollowMasterBackground() {
         return false;
     }

     @Override
     @NotImplemented
     public void setFollowMasterBackground(boolean follow) {
         // not implemented ... also not in the specs
         throw new UnsupportedOperationException();
     }

     @Override
     public boolean getFollowMasterColourScheme() {
         return false;
     }

     @Override
     @NotImplemented
     public void setFollowMasterColourScheme(boolean follow) {
         // not implemented ... only for OLE objects in the specs
         throw new UnsupportedOperationException();
     }

     @Override
     @NotImplemented
     public void setNotes(Notes<XSLFShape,XSLFTextParagraph> notes) {
         assert(notes instanceof XSLFNotes);
         // TODO Auto-generated method stub
     }

     @Override
     public int getSlideNumber() {
         int idx = getSlideShow().getSlides().indexOf(this);
         return (idx == -1) ? idx : idx+1;
     }

     /**
      * Render this sheet into the supplied graphics object
      *
      * @param graphics the graphics context to draw to
      */
     @Override
     public void draw(Graphics2D graphics){
         DrawFactory drawFact = DrawFactory.getInstance(graphics);
         Drawable draw = drawFact.getDrawable(this);
         draw.draw(graphics);
     }

     @Override
     public boolean getDisplayPlaceholder(Placeholder placeholder) {
         return false;
     }


     @Override
     public void setHidden(boolean hidden) {
         CTSlide sld = getXmlObject();
         if (hidden) {
             sld.setShow(false);
         } else {
             // if the attribute does not exist, the slide is shown
             if (sld.isSetShow()) {
                 sld.unsetShow();
             }
         }
     }

     @Override
     public boolean isHidden() {
         CTSlide sld = getXmlObject();
         return sld.isSetShow() && !sld.getShow();
     }

     @Override
     public String getSlideName() {
         final CTCommonSlideData cSld = getXmlObject().getCSld();
         return cSld.isSetName() ? cSld.getName() : "Slide"+getSlideNumber();
     }

     @Override
     String mapSchemeColor(String schemeColor) {
         return mapSchemeColor(_slide.getClrMapOvr(), schemeColor);
     }
 }
	/* ====================================================================
	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.awt.Graphics2D;
	import java.io.IOException;
	import java.util.ArrayList;
	import java.util.List;

	import org.apache.poi.ooxml.POIXMLDocumentPart;
	import org.apache.poi.ooxml.util.DocumentHelper;
	import org.apache.poi.openxml4j.opc.PackagePart;
	import org.apache.poi.sl.draw.DrawFactory;
	import org.apache.poi.sl.draw.Drawable;
	import org.apache.poi.sl.usermodel.Notes;
	import org.apache.poi.sl.usermodel.Placeholder;
	import org.apache.poi.sl.usermodel.Slide;
	import org.apache.poi.util.Beta;
	import org.apache.poi.util.NotImplemented;
	import org.apache.xmlbeans.XmlException;
	import org.openxmlformats.schemas.drawingml.x2006.main.CTGroupShapeProperties;
	import org.openxmlformats.schemas.drawingml.x2006.main.CTGroupTransform2D;
	import org.openxmlformats.schemas.drawingml.x2006.main.CTNonVisualDrawingProps;
	import org.openxmlformats.schemas.drawingml.x2006.main.CTPoint2D;
	import org.openxmlformats.schemas.drawingml.x2006.main.CTPositiveSize2D;
	import org.openxmlformats.schemas.presentationml.x2006.main.CTBackground;
	import org.openxmlformats.schemas.presentationml.x2006.main.CTComment;
	import org.openxmlformats.schemas.presentationml.x2006.main.CTCommonSlideData;
	import org.openxmlformats.schemas.presentationml.x2006.main.CTGroupShape;
	import org.openxmlformats.schemas.presentationml.x2006.main.CTGroupShapeNonVisual;
	import org.openxmlformats.schemas.presentationml.x2006.main.CTSlide;
	import org.openxmlformats.schemas.presentationml.x2006.main.SldDocument;
	import org.w3c.dom.Document;
	import org.xml.sax.SAXException;

	@Beta
	public final class XSLFSlide extends XSLFSheet
	implements Slide<XSLFShape,XSLFTextParagraph> {
	private final CTSlide _slide;
	private XSLFSlideLayout _layout;
	private XSLFComments _comments;
	private XSLFCommentAuthors _commentAuthors;
	private XSLFNotes _notes;

	/**
	* Create a new slide
	*/
	XSLFSlide() {
	super();
	_slide = prototype();
	}

	/**
	* Construct a SpreadsheetML slide from a package part
	*
	* @param part the package part holding the slide data,
	* the content type must be <code>application/vnd.openxmlformats-officedocument.slide+xml</code>
	*
	* @since POI 3.14-Beta1
	*/
	XSLFSlide(PackagePart part) throws IOException, XmlException {
	super(part);

	Document _doc;
	try {
	_doc = DocumentHelper.readDocument(getPackagePart().getInputStream());
	} catch (SAXException e) {
	throw new IOException(e);
	}

	SldDocument doc = SldDocument.Factory.parse(_doc, DEFAULT_XML_OPTIONS);
	_slide = doc.getSld();
	}

	private static CTSlide prototype(){
	CTSlide ctSlide = CTSlide.Factory.newInstance();
	CTCommonSlideData cSld = ctSlide.addNewCSld();
	CTGroupShape spTree = cSld.addNewSpTree();

	CTGroupShapeNonVisual nvGrpSpPr = spTree.addNewNvGrpSpPr();
	CTNonVisualDrawingProps cnvPr = nvGrpSpPr.addNewCNvPr();
	cnvPr.setId(1);
	cnvPr.setName("");
	nvGrpSpPr.addNewCNvGrpSpPr();
	nvGrpSpPr.addNewNvPr();

	CTGroupShapeProperties grpSpr = spTree.addNewGrpSpPr();
	CTGroupTransform2D xfrm = grpSpr.addNewXfrm();
	CTPoint2D off = xfrm.addNewOff();
	off.setX(0);
	off.setY(0);
	CTPositiveSize2D ext = xfrm.addNewExt();
	ext.setCx(0);
	ext.setCy(0);
	CTPoint2D choff = xfrm.addNewChOff();
	choff.setX(0);
	choff.setY(0);
	CTPositiveSize2D chExt = xfrm.addNewChExt();
	chExt.setCx(0);
	chExt.setCy(0);
	ctSlide.addNewClrMapOvr().addNewMasterClrMapping();
	return ctSlide;
	}

	@Override
	public CTSlide getXmlObject() {
	return _slide;
	}

	@Override
	protected String getRootElementName(){
	return "sld";
	}

	@SuppressWarnings({"WeakerAccess", "ProtectedMemberInFinalClass"})
	protected void removeChartRelation(XSLFChart chart) {
	removeRelation(chart);
	}

	@SuppressWarnings({"WeakerAccess", "ProtectedMemberInFinalClass"})
	protected void removeLayoutRelation(XSLFSlideLayout layout) {
	removeRelation(layout, false);
	}

	@Override
	public XSLFSlideLayout getMasterSheet(){
	return getSlideLayout();
	}

	@Override
	public XSLFSlideLayout getSlideLayout(){
	if(_layout == null){
	for (POIXMLDocumentPart p : getRelations()) {
	if (p instanceof XSLFSlideLayout){
	_layout = (XSLFSlideLayout)p;
	}
	}
	}
	if(_layout == null) {
	throw new IllegalArgumentException("SlideLayout was not found for " + this);
	}
	return _layout;
	}

	public XSLFSlideMaster getSlideMaster(){
	return getSlideLayout().getSlideMaster();
	}

	/**
	* @return the comments part or {@code null} if there weren't any comments
	* @since POI 4.0.0
	*/
	@SuppressWarnings("WeakerAccess")
	public XSLFComments getCommentsPart() {
	if(_comments == null) {
	for (POIXMLDocumentPart p : getRelations()) {
	if (p instanceof XSLFComments) {
	_comments = (XSLFComments)p;
	break;
	}
	}
	}

	return _comments;
	}

	/**
	* @return the comment authors part or {@code null} if there weren't any comments
	* @since POI 4.0.0
	*/
	@SuppressWarnings("WeakerAccess")
	public XSLFCommentAuthors getCommentAuthorsPart() {
	if(_commentAuthors == null) {
	// first scan the slide relations
	for (POIXMLDocumentPart p : getRelations()) {
	if (p instanceof XSLFCommentAuthors) {
	_commentAuthors = (XSLFCommentAuthors)p;
	return _commentAuthors;
	}
	}
	// then scan the presentation relations
	for (POIXMLDocumentPart p : getSlideShow().getRelations()) {
	if (p instanceof XSLFCommentAuthors) {
	_commentAuthors = (XSLFCommentAuthors)p;
	return _commentAuthors;
	}
	}
	}

	return null;
	}


	@Override
	public List<XSLFComment> getComments() {
	final List<XSLFComment> comments = new ArrayList<>();
	final XSLFComments xComments = getCommentsPart();
	final XSLFCommentAuthors xAuthors = getCommentAuthorsPart();
	if (xComments != null) {
	for (final CTComment xc : xComments.getCTCommentsList().getCmArray()) {
	comments.add(new XSLFComment(xc, xAuthors));
	}
	}

	return comments;
	}

	@Override
	public XSLFNotes getNotes() {
	if(_notes == null) {
	for (POIXMLDocumentPart p : getRelations()) {
	if (p instanceof XSLFNotes){
	_notes = (XSLFNotes)p;
	}
	}
	}
	if(_notes == null) {
	// This slide lacks notes
	// Not all have them, sorry...
	return null;
	}
	return _notes;
	}

	@Override
	public String getTitle(){
	XSLFTextShape txt = getTextShapeByType(Placeholder.TITLE);
	return txt == null ? null : txt.getText();
	}

	@Override
	public XSLFTheme getTheme(){
	return getSlideLayout().getSlideMaster().getTheme();
	}

	/**
	*
	* @return the information about background appearance of this slide
	*/
	@Override
	public XSLFBackground getBackground() {
	CTBackground bg = _slide.getCSld().getBg();
	if(bg != null) {
	return new XSLFBackground(bg, this);
	} else {
	return getMasterSheet().getBackground();
	}
	}

	@Override
	public boolean getFollowMasterGraphics(){
	return _slide.getShowMasterSp();
	}

	/**
	*
	* @param value whether shapes on the master slide should be shown or not.
	*/
	@SuppressWarnings("WeakerAccess")
	public void setFollowMasterGraphics(boolean value){
	_slide.setShowMasterSp(value);
	}


	@Override
	public boolean getFollowMasterObjects() {
	return getFollowMasterGraphics();
	}

	@Override
	public void setFollowMasterObjects(boolean follow) {
	setFollowMasterGraphics(follow);
	}

	@Override
	public XSLFSlide importContent(XSLFSheet src){
	super.importContent(src);
	if (!(src instanceof XSLFSlide)) {
	return this;
	}

	XSLFNotes srcNotes = ((XSLFSlide)src).getNotes();
	if (srcNotes != null) {
	getSlideShow().getNotesSlide(this).importContent(srcNotes);
	}

	// only copy direct backgrounds - not backgrounds of master sheet
	CTBackground bgOther = ((XSLFSlide)src)._slide.getCSld().getBg();
	if (bgOther == null) {
	return this;
	}

	CTBackground bgThis = _slide.getCSld().getBg();
	// remove existing background
	if (bgThis != null) {
	if (bgThis.isSetBgPr() && bgThis.getBgPr().isSetBlipFill()) {
	String oldId = bgThis.getBgPr().getBlipFill().getBlip().getEmbed();
	removeRelation(oldId);
	}
	_slide.getCSld().unsetBg();
	}

	bgThis = (CTBackground)_slide.getCSld().addNewBg().set(bgOther);

	if(bgOther.isSetBgPr() && bgOther.getBgPr().isSetBlipFill()){
	String idOther = bgOther.getBgPr().getBlipFill().getBlip().getEmbed();
	String idThis = importBlip(idOther, src);
	bgThis.getBgPr().getBlipFill().getBlip().setEmbed(idThis);

	}

	return this;
	}

	@Override
	public boolean getFollowMasterBackground() {
	return false;
	}

	@Override
	@NotImplemented
	public void setFollowMasterBackground(boolean follow) {
	// not implemented ... also not in the specs
	throw new UnsupportedOperationException();
	}

	@Override
	public boolean getFollowMasterColourScheme() {
	return false;
	}

	@Override
	@NotImplemented
	public void setFollowMasterColourScheme(boolean follow) {
	// not implemented ... only for OLE objects in the specs
	throw new UnsupportedOperationException();
	}

	@Override
	@NotImplemented
	public void setNotes(Notes<XSLFShape,XSLFTextParagraph> notes) {
	assert(notes instanceof XSLFNotes);
	// TODO Auto-generated method stub
	}

	@Override
	public int getSlideNumber() {
	int idx = getSlideShow().getSlides().indexOf(this);
	return (idx == -1) ? idx : idx+1;
	}

	/**
	* Render this sheet into the supplied graphics object
	*
	* @param graphics the graphics context to draw to
	*/
	@Override
	public void draw(Graphics2D graphics){
	DrawFactory drawFact = DrawFactory.getInstance(graphics);
	Drawable draw = drawFact.getDrawable(this);
	draw.draw(graphics);
	}

	@Override
	public boolean getDisplayPlaceholder(Placeholder placeholder) {
	return false;
	}


	@Override
	public void setHidden(boolean hidden) {
	CTSlide sld = getXmlObject();
	if (hidden) {
	sld.setShow(false);
	} else {
	// if the attribute does not exist, the slide is shown
	if (sld.isSetShow()) {
	sld.unsetShow();
	}
	}
	}

	@Override
	public boolean isHidden() {
	CTSlide sld = getXmlObject();
	return sld.isSetShow() && !sld.getShow();
	}

	@Override
	public String getSlideName() {
	final CTCommonSlideData cSld = getXmlObject().getCSld();
	return cSld.isSetName() ? cSld.getName() : "Slide"+getSlideNumber();
	}

	@Override
	String mapSchemeColor(String schemeColor) {
	return mapSchemeColor(_slide.getClrMapOvr(), schemeColor);
	}
	}