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docx4j is a library which helps you to work with the Office Open XML file format as used in docx documents, pptx presentations, and xlsx spreadsheets.

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/*
 *  Copyright 2009, 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.model.properties.run;

import org.docx4j.dml.CTTextCharacterProperties;
import org.docx4j.jaxb.Context;
import org.docx4j.wml.BooleanDefaultTrue;
import org.docx4j.wml.RPr;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Element;
import org.w3c.dom.css.CSSValue;

/**
 * @since 2.8.1
 */	
public class TextDirection extends AbstractRunProperty {
	
	/*
	 * 
            
              
                
              
              TWOالبريد
            	 
     * 
     * in the Word interface,  shows the word "TWO" to the *right*
     * 
	 * See src\test\resources\multilingual\arabic\arabic_in_tc.docx
	 * 
	 * This is now handled properly in PDF output
	 */
	
	protected static Logger log = LoggerFactory.getLogger(TextDirection.class);		
	
	public final static String CSS_NAME = "direction"; 
	public final static String FO_NAME  = "direction";  // ?? writing-mode="rl-tb"
	
	public String getCssName() {
		return CSS_NAME;
	}
	
	public TextDirection(BooleanDefaultTrue val) {
		this.setObject(val);
	}
	
	public TextDirection(CSSValue value) {	
		
		if (value.getCssText().toLowerCase().equals("rtl")) {
			this.setObject( Context.getWmlObjectFactory().createBooleanDefaultTrue()  );
		} else {
			BooleanDefaultTrue bdt = Context.getWmlObjectFactory().createBooleanDefaultTrue();
			bdt.setVal(Boolean.FALSE);
		}
	}

	@Override
	public String getCssProperty() {
		
		if (((BooleanDefaultTrue)this.getObject()).isVal() ) {
			return composeCss(CSS_NAME, "rtl");
		} else {
			//return composeCss(CSS_NAME, "normal");
			return null; // or ltr or inherit?
		}
	}


	@Override
	public void setXslFO(Element foElement) {

		if (((BooleanDefaultTrue)this.getObject()).isVal() ) {
			
			foElement.setAttribute(FO_NAME, "rtl" ); 
			
			// Note: This is post-processed in:
			// + xslt  case: XsltFOFunctions.createBlockForPPr
			// + other case: FOExporterVisitorGenerator.rtlAwareAppendChildToCurrentP
			
			// so that the inline is wrapped in 
	    	//    
			
			/* See further:
				From: Glenn Adams 
				Date: Fri, Mar 21, 2014 at 8:41 AM
				Subject: Re: right align arabic in table-cell
				To: FOP Users 
			 */
			
			
		} else {
			//foElement.setAttribute(FO_NAME, "ltr" );
		}
		
	}

	@Override
	public void set(RPr rPr) {
		rPr.setRtl( (BooleanDefaultTrue)this.getObject() );
	}

    @Override
    public void set(CTTextCharacterProperties rPr) {
        // TODO
    }
	
}