Pptx4jAutoShapes.java

package featurescomparison.workingwithslides.addautoshapes.java;

import javax.xml.bind.JAXBException;

import org.docx4j.XmlUtils;
import org.docx4j.dml.STShapeType;
import org.docx4j.openpackaging.exceptions.InvalidFormatException;
import org.docx4j.openpackaging.packages.PresentationMLPackage;
import org.docx4j.openpackaging.parts.PartName;
import org.docx4j.openpackaging.parts.PresentationML.MainPresentationPart;
import org.docx4j.openpackaging.parts.PresentationML.SlideLayoutPart;
import org.docx4j.openpackaging.parts.PresentationML.SlidePart;
import org.pptx4j.jaxb.Context;
import org.pptx4j.pml.Shape;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class Pptx4jAutoShapes {

	protected static Logger log = LoggerFactory.getLogger(Pptx4jAutoShapes.class);
	
	public static void main(String[] args) throws Exception 
	{
		String dataPath = "src/featurescomparison/workingwithslides/addautoshapes/data/";
		
		// Where will we save our new .ppxt?
		String outputfilepath = dataPath + "Pptx4jAutoShapes.pptx";
		
		// Create skeletal package
		PresentationMLPackage presentationMLPackage = PresentationMLPackage.createPackage(); 
		
		MainPresentationPart pp = (MainPresentationPart)presentationMLPackage.getParts().getParts().get(
				new PartName("/ppt/presentation.xml"));
		
		SlideLayoutPart layoutPart = (SlideLayoutPart)presentationMLPackage.getParts().getParts().get(
				new PartName("/ppt/slideLayouts/slideLayout1.xml"));
		
		boolean noLine = false;
		
		/* ST_ShapeType has 203 values
		 * 
		 * Create a slide for each shape */
		int i = 1;  
		for (STShapeType st : STShapeType.values() ) {
		
			System.out.println("Adding slide for shape: " + st.value() );
			
			SlidePart slidePart = createSlidePart(pp, layoutPart, i);
			
			// Create and add shapes
			Shape title = ((Shape)XmlUtils.unmarshalString(
					getSlideTitle(st.value()), Context.jcPML) );
			slidePart.getJaxbElement().getCSld().getSpTree().getSpOrGrpSpOrGraphicFrame().add(title);
			
			
			Shape sample = ((Shape)XmlUtils.unmarshalString(
					getPresetShape(st.value(), noLine), Context.jcPML) );
			slidePart.getJaxbElement().getCSld().getSpTree().getSpOrGrpSpOrGraphicFrame().add(sample);
			
			i++;
		}
		// All done: save it
		presentationMLPackage.save(new java.io.File(outputfilepath));

		System.out.println("\n\n done .. saved " + outputfilepath);
		
	}	
	
	
	/**
	 * Create a slide and add it to the package
	 * 
	 * @param pp
	 * @param layoutPart
	 * @param i
	 * @return the slide
	 * @throws InvalidFormatException
	 * @throws JAXBException
	 */
	private static SlidePart createSlidePart(MainPresentationPart pp, SlideLayoutPart layoutPart, int i) 
		throws InvalidFormatException, JAXBException {
		
		// Slide part
		SlidePart slidePart = new SlidePart(new PartName("/ppt/slides/slide" + i +".xml") );
		pp.addSlideIdListEntry(slidePart);

		slidePart.setJaxbElement( SlidePart.createSld() );
		
		// Slide layout part
		slidePart.addTargetPart(layoutPart);
		
		return slidePart;
	}
	
	
	/**
	 * get XML for the specified present shape
	 * 
	 * @param preset
	 * @param noLine
	 * @return
	 */
	private static String getPresetShape(String preset, boolean noLine) {
		
		String txBody = "";
		String ln = "";
		
		// Shape will say "click here to add title"
		// if txBody is not present.
		// If txBody is present, shape will be invisible
		// unless a:ln is present
		if (!noLine) {
//			txBody = "<p:txBody>"
//				+ "<a:bodyPr />"
//				+ "<a:lstStyle />"
//				+ "<a:p>"
//					+ "<a:r>"
//						+ "<a:rPr lang=\"en-US\" smtClean=\"0\" />"
//						+ "<a:t> </a:t>"
//					+ "</a:r>"
//					+ "<a:endParaRPr lang=\"en-US\" />"
//				+ "</a:p>"
//			+ "</p:txBody>";
			
			ln = "<a:ln>"
		            +"<a:solidFill>"
		            	+"<a:srgbClr val=\"FF0000\"/>"
		            +"</a:solidFill>"
	            +"</a:ln>";
		}
				
		/*
		 * If you don't have a:ln, there will be no lines,
		 * so the shape will be invisible.
		 * 
		 * If you add <p:ph type=\"title\" />, you'll get
		 * a title (and the dotted outline of the shape
		 * will be visible).
		 * 
		 * Without a p:txBody, the words "Click to
		 * add title" will appear. (maybe title because
		 * of our p:ph/@type?) 
		 * 
		 */
		
		
		return 
			"<p:sp   xmlns:a=\"http://schemas.openxmlformats.org/drawingml/2006/main\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\" xmlns:p=\"http://schemas.openxmlformats.org/presentationml/2006/main\">"
				+ "<p:nvSpPr>"
					+ "<p:cNvPr id=\"4\" name=\"My Preset Shape\" />"
					+ "<p:cNvSpPr/>" 
						//+ "<a:spLocks noGrp=\"1\" />"
					//+ "</p:cNvSpPr>"
					+ "<p:nvPr/>"
//						+ "<p:ph type=\"title\" />"
//					+ "</p:nvPr>"
				+ "</p:nvSpPr>"
				+ "<p:spPr>"
					+ "<a:xfrm>"
						+ "<a:off x=\"1981200\" y=\"533400\"/>"
						+ "<a:ext cx=\"1143000\" cy=\"1066800\"/>"
					+ "</a:xfrm>"
					+ "<a:prstGeom prst=\"" + preset + "\">"
					+ "<a:avLst/>"
					+ "</a:prstGeom>"
					+ ln
				+ "</p:spPr>"
				+ txBody
		+ "</p:sp>";
	}
	
	private static String getSlideTitle(String preset) {
		return "<p:sp   xmlns:a=\"http://schemas.openxmlformats.org/drawingml/2006/main\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\" xmlns:p=\"http://schemas.openxmlformats.org/presentationml/2006/main\">"
		+ "<p:nvSpPr>"
		+ "<p:cNvPr id=\"4\" name=\"Title 3\" />"
		+ "<p:cNvSpPr>"
			+ "<a:spLocks noGrp=\"1\" />"
		+ "</p:cNvSpPr>"
		+ "<p:nvPr>"
			+ "<p:ph type=\"title\" />"
		+ "</p:nvPr>"
	+ "</p:nvSpPr>"
	+ "<p:spPr />"
	+ "<p:txBody>"
		+ "<a:bodyPr />"
		+ "<a:lstStyle />"
		+ "<a:p>"
			+ "<a:r>"
				+ "<a:rPr lang=\"en-US\" smtClean=\"0\" />"
				+ "<a:t>" + preset + "</a:t>"
			+ "</a:r>"
			+ "<a:endParaRPr lang=\"en-US\" />"
		+ "</a:p>"
	+ "</p:txBody>"
+ "</p:sp>";	
	}
}