/*
 *  Copyright 2007-2008, 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.docx4j.samples;


import javax.xml.bind.JAXBContext;

import org.docx4j.XmlUtils;
import org.docx4j.model.datastorage.BindingHandler;
import org.docx4j.model.datastorage.CustomXmlDataStorage;
import org.docx4j.model.datastorage.CustomXmlDataStorageImpl;
import org.docx4j.openpackaging.packages.WordprocessingMLPackage;
import org.docx4j.openpackaging.parts.CustomXmlDataStoragePart;


/**
 * This sample demonstrates setting the XML content of
 * an Custom XML part, then populating content controls
 * from that (based on the xpaths given
 * in the content controls).
 * 
 * Word does this itself automatically, but if you
 * have a Word document containing content controls,
 * this sample demonstrates how you could
 * populate those programmatically.  You might
 * then use docx4j to generate a pdf or an html.
 */
public class ContentControlsXmlEdit {
	
	public static JAXBContext context = org.docx4j.jaxb.Context.jc; 

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {
		
		String example_value_to_inject = "THE NEW CONTENT";

		// Convenient to read from .xml file,
		// so it is easy to manually edit it (ie without having to unzip etc etc) 
		String inputfilepath = System.getProperty("user.dir") + "/sample-docs/word/databinding/binding-simple.docx";

		String outputfilepath = System.getProperty("user.dir") + "/OUT_ContentControlsXmlEdited.docx";

		// Load the Package
		WordprocessingMLPackage wordMLPackage = WordprocessingMLPackage.load(new java.io.File(inputfilepath));
		
		// Get the part
		// First we need to get the part.  There are a few different ways to do this.
		
		// If we know the itemId ..
		String itemId = "{5448916C-134B-45E6-B8FE-88CC1FFC17C3}".toLowerCase();
		CustomXmlDataStoragePart customXmlDataStoragePart = (CustomXmlDataStoragePart)wordMLPackage.getCustomXmlDataStorageParts().get(itemId);
		// .. if you don't know the itemId (which you can get using ContentControlsPartsInfo), 
		// you could get the part by name, by type,
		// or you could find the item Id by looking in an SDT for w:storeItemID:
		//  <w:sdt>
		//    <w:sdtPr>
		//      <w:dataBinding w:prefixMappings="" w:xpath="/myxml[1]/element1[1]" 
		//					w:storeItemID="{5448916C-134B-45E6-B8FE-88CC1FFC17C3}"/>
		//    </w:sdtPr>
		//    <w:sdtContent>		
		
		// Get the contents		
		CustomXmlDataStorage customXmlDataStorage = customXmlDataStoragePart.getData();
			// In a real program what you might do is populate this with your own data.
			// You could replace the whole part (as is done in https://github.com/plutext/OpenDoPE-WAR/blob/master/webapp-simple/src/main/java/org/opendope/webapp/SubmitBoth.java ),
		    // or as we show below, just set some particular value
		
				
		// Change its contents.  Here we use XPath, but you could get the DOM document:
		//   ((CustomXmlDataStorageImpl)customXmlDataStorage).getDocument()
		// and do whatever ....
		((CustomXmlDataStorageImpl)customXmlDataStorage).setNodeValueAtXPath("/myxml/element1", example_value_to_inject,
				"xmlns:ns0='http://your.namespace'"); // no prefix mappings required here, but that shows you how to do it

		System.out.println(XmlUtils.w3CDomNodeToString(customXmlDataStorage.getDocument()));
		
		// Apply the bindings
		BindingHandler bh = new BindingHandler(wordMLPackage);
		bh.applyBindings(wordMLPackage.getMainDocumentPart());
		
		// If you inspect the output, you should see your data in 2 places:
		// 1. the custom xml part 
		// 2. (more importantly) the main document part
		System.out.println(
				XmlUtils.marshaltoString(wordMLPackage.getMainDocumentPart().getJaxbElement(), true, true)
				);
		
		
		wordMLPackage.save(new java.io.File(outputfilepath) );
	}
		

}