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/*
 *  ====================================================================
 *    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 java.io.FileOutputStream;
import java.io.IOException;

/**
 * Demonstrates how to create slides with predefined layout
 * and fill the placeholder shapes
 *
 * @author Yegor Kozlov
 */
public class Tutorial1 {

    public static void main(String[] args) throws IOException{
        XMLSlideShow ppt = new XMLSlideShow();

        // XSLFSlide#createSlide() with no arguments creates a blank slide
        /*XSLFSlide blankSlide =*/ ppt.createSlide();

        
        XSLFSlideMaster master = ppt.getSlideMasters()[0];

        XSLFSlideLayout layout1 = master.getLayout(SlideLayout.TITLE);
        XSLFSlide slide1 = ppt.createSlide(layout1) ;
        XSLFTextShape[] ph1 = slide1.getPlaceholders();
        XSLFTextShape titlePlaceholder1 = ph1[0];
        titlePlaceholder1.setText("This is a title");
        XSLFTextShape subtitlePlaceholder1 = ph1[1];
        subtitlePlaceholder1.setText("this is a subtitle");

        XSLFSlideLayout layout2 = master.getLayout(SlideLayout.TITLE_AND_CONTENT);
        XSLFSlide slide2 = ppt.createSlide(layout2) ;
        XSLFTextShape[] ph2 = slide2.getPlaceholders();
        XSLFTextShape titlePlaceholder2 = ph2[0];
        titlePlaceholder2.setText("This is a title");
        XSLFTextShape bodyPlaceholder = ph2[1];
        // we are going to add text by paragraphs. Clear the default placehoder text before that
        bodyPlaceholder.clearText();
        XSLFTextParagraph p1 = bodyPlaceholder.addNewTextParagraph();
        p1.setLevel(0);
        p1.addNewTextRun().setText("Level1 text");
        XSLFTextParagraph p2 = bodyPlaceholder.addNewTextParagraph();
        p2.setLevel(1);
        p2.addNewTextRun().setText("Level2 text");
        XSLFTextParagraph p3 = bodyPlaceholder.addNewTextParagraph();
        p3.setLevel(3);
        p3.addNewTextRun().setText("Level3 text");

        FileOutputStream out = new FileOutputStream("slides.pptx");
        ppt.write(out);
        out.close();
    }
}