/*
 *  Copyright 2010-11, Plutext Pty Ltd.
 *   
 *  This file is part of docx4j.

    docx4j is licensed 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.pptx4j.samples;


import java.io.File;

import javax.xml.bind.JAXBException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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.docx4j.openpackaging.parts.WordprocessingML.BinaryPartAbstractImage;
import org.docx4j.relationships.Relationship;
import org.pptx4j.jaxb.Context;
import org.pptx4j.pml.Pic;



/**
 * @author jharrop
 *
 */
public class InsertPicture  {
	
	protected static Logger log = LoggerFactory.getLogger(InsertPicture.class);
		
	public static void main(String[] args) throws Exception {

		// Where will we save our new .pptx?
		String outputfilepath = System.getProperty("user.dir") + "/pptx-picture.pptx";
		
		// Create skeletal package, including a MainPresentationPart and a SlideLayoutPart
		PresentationMLPackage presentationMLPackage = PresentationMLPackage.createPackage(); 
		
		// Need references to these parts to create a slide
		// Please note that these parts *already exist* - they are
		// created by createPackage() above.  See that method
		// for instruction on how to create and add a part.
		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"));
		
		// OK, now we can create a slide
		SlidePart slidePart = presentationMLPackage.createSlidePart(pp, layoutPart, 
				new PartName("/ppt/slides/slide1.xml"));
				
		// Add image part
		File file = new File(System.getProperty("user.dir") + "/src/test/resources/images/greentick.png" );
        BinaryPartAbstractImage imagePart 
        	= BinaryPartAbstractImage.createImagePart(presentationMLPackage, slidePart, file);
		
		        
        // Add p:pic to slide
		slidePart.getJaxbElement().getCSld().getSpTree().getSpOrGrpSpOrGraphicFrame().add(
				createPicture(imagePart.getSourceRelationship().getId()));
		

		// Do it again on another slide
		SlidePart slidePart2 = presentationMLPackage.createSlidePart(pp, layoutPart, 
				new PartName("/ppt/slides/slide2.xml"));
		Relationship rel = slidePart2.addTargetPart(imagePart);
		
		slidePart2.getJaxbElement().getCSld().getSpTree().getSpOrGrpSpOrGraphicFrame().add(
				createPicture(rel.getId()));
		
		// All done: save it
		presentationMLPackage.save(new java.io.File(outputfilepath));

		System.out.println("\n\n done .. saved " + outputfilepath);
		
	}	
	
	private static Object createPicture(String relId) throws JAXBException {
		
		// Create p:pic  		
        java.util.HashMap<String, String>mappings = new java.util.HashMap<String, String>();
        
        mappings.put("id1", "4");
        mappings.put("name", "Picture 3");
        mappings.put("descr", "greentick.png");
        mappings.put("rEmbedId", relId );
        mappings.put("offx", Long.toString(4214812));
        mappings.put("offy", Long.toString(3071812));
        mappings.put("extcx", Long.toString(714375));
        mappings.put("extcy", Long.toString(714375));
        
        return org.docx4j.XmlUtils.unmarshallFromTemplate(SAMPLE_PICTURE, 
        		mappings, Context.jcPML, Pic.class ) ;   
        
		
	}
	
	
	private static String SAMPLE_PICTURE = 			
	      "<p:pic 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:nvPicPr>"
	          + "<p:cNvPr id=\"${id1}\" name=\"${name}\" descr=\"${descr}\"/>"
	          + "<p:cNvPicPr>"
	            + "<a:picLocks noChangeAspect=\"1\"/>"
	          + "</p:cNvPicPr>"
	          + "<p:nvPr/>"
	        + "</p:nvPicPr>"
	        + "<p:blipFill>"
	          + "<a:blip r:embed=\"${rEmbedId}\" cstate=\"print\"/>"
	          + "<a:stretch>"
	            + "<a:fillRect/>"
	          + "</a:stretch>"
	        + "</p:blipFill>"
	        + "<p:spPr>"
	          + "<a:xfrm>"
	            + "<a:off x=\"${offx}\" y=\"${offy}\"/>"
	            + "<a:ext cx=\"${extcx}\" cy=\"${extcy}\"/>"
	          + "</a:xfrm>"
	          + "<a:prstGeom prst=\"rect\">"
	            + "<a:avLst/>"
	          + "</a:prstGeom>"
	        + "</p:spPr>"
	      + "</p:pic>";

	
}