trunk/src/ooxml/testcases/org/apache/poi/xslf/usermodel/TestXSLFTable.java

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   this work for additional information regarding copyright ownership.
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package org.apache.poi.xslf.usermodel;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.List;

import org.apache.poi.sl.draw.DrawFactory;
import org.apache.poi.sl.usermodel.Slide;
import org.apache.poi.sl.usermodel.TableCell.BorderEdge;
import org.apache.poi.sl.usermodel.VerticalAlignment;
import org.apache.poi.xslf.XSLFTestDataSamples;
import org.junit.Test;
import org.openxmlformats.schemas.drawingml.x2006.main.CTTableCell;
import org.openxmlformats.schemas.presentationml.x2006.main.CTGraphicalObjectFrame;

public class TestXSLFTable {
    @Test
    public void testRead() throws IOException {
        XMLSlideShow  ppt = XSLFTestDataSamples.openSampleDocument("shapes.pptx");

        XSLFSlide slide = ppt.getSlides().get(3);
        List<XSLFShape> shapes = slide.getShapes();
        assertEquals(1, shapes.size());
        assertTrue(shapes.get(0) instanceof XSLFTable);
        XSLFTable tbl = (XSLFTable)shapes.get(0);
        assertEquals(3, tbl.getNumberOfColumns());
        assertEquals(6, tbl.getNumberOfRows());
        assertNotNull(tbl.getCTTable());

        List<XSLFTableRow> rows = tbl.getRows();
        assertEquals(6, rows.size());

        assertEquals(90.0, tbl.getColumnWidth(0), 0);
        assertEquals(240.0, tbl.getColumnWidth(1), 0);
        assertEquals(150.0, tbl.getColumnWidth(2), 0);

        for(XSLFTableRow row : tbl){
            // all rows have the same height
            assertEquals(29.2, row.getHeight(), 0);
        }

        XSLFTableRow row0 = rows.get(0);
        List<XSLFTableCell> cells0 = row0.getCells();
        assertEquals(3, cells0.size());
        assertEquals("header1", cells0.get(0).getText());
        assertEquals("header2", cells0.get(1).getText());
        assertEquals("header3", cells0.get(2).getText());

        XSLFTableRow row1 = rows.get(1);
        List<XSLFTableCell> cells1 = row1.getCells();
        assertEquals(3, cells1.size());
        assertEquals("A1", cells1.get(0).getText());
        assertEquals("B1", cells1.get(1).getText());
        assertEquals("C1", cells1.get(2).getText());
        
        ppt.close();
    }

    @Test
    public void testCreate() throws IOException {
        XMLSlideShow ppt1 = new XMLSlideShow();
        XSLFSlide slide = ppt1.createSlide();

        XSLFTable tbl = slide.createTable();
        assertNotNull(tbl.getCTTable());
        assertNotNull(tbl.getCTTable().getTblGrid());
        assertNotNull(tbl.getCTTable().getTblPr());
        assertTrue(tbl.getXmlObject() instanceof CTGraphicalObjectFrame);
        assertEquals("Table 1", tbl.getShapeName());
        assertEquals(2, tbl.getShapeId());
        assertEquals(0, tbl.getRows().size());
        assertEquals(0, tbl.getCTTable().sizeOfTrArray());
        assertEquals(0, tbl.getCTTable().getTblGrid().sizeOfGridColArray());

        assertEquals(0, tbl.getNumberOfColumns());
        assertEquals(0, tbl.getNumberOfRows());

        XSLFTableRow row0 = tbl.addRow();
        assertNotNull(row0.getXmlObject());
        assertEquals(1, tbl.getNumberOfRows());
        assertSame(row0, tbl.getRows().get(0));
        assertEquals(20.0, row0.getHeight(), 0);
        row0.setHeight(30.0);
        assertEquals(30.0, row0.getHeight(), 0);

        assertEquals(0, row0.getCells().size());
        XSLFTableCell cell0 = row0.addCell();
        assertNotNull(cell0.getXmlObject());
        // by default table cell has no borders
        CTTableCell tc = (CTTableCell)cell0.getXmlObject();
        assertTrue(tc.getTcPr().getLnB().isSetNoFill());
        assertTrue(tc.getTcPr().getLnT().isSetNoFill());
        assertTrue(tc.getTcPr().getLnL().isSetNoFill());
        assertTrue(tc.getTcPr().getLnR().isSetNoFill());

        assertSame(cell0, row0.getCells().get(0));
        assertEquals(1, tbl.getNumberOfColumns());
        assertEquals(100.0, tbl.getColumnWidth(0), 0);
        cell0.addNewTextParagraph().addNewTextRun().setText("POI");
        assertEquals("POI", cell0.getText());

        XSLFTableCell cell1 = row0.addCell();
        assertSame(cell1, row0.getCells().get(1));
        assertEquals(2, tbl.getNumberOfColumns());
        assertEquals(100.0, tbl.getColumnWidth(1), 0);
        cell1.addNewTextParagraph().addNewTextRun().setText("Apache");
        assertEquals("Apache", cell1.getText());

        for (BorderEdge edge : BorderEdge.values()) {
            assertNull(cell1.getBorderWidth(edge));
            cell1.setBorderWidth(edge, 2.0);
            assertEquals(2.0, cell1.getBorderWidth(edge), 0);
            assertNull(cell1.getBorderColor(edge));
            cell1.setBorderColor(edge, Color.yellow);
            assertEquals(Color.yellow, cell1.getBorderColor(edge));
        }

        assertEquals(VerticalAlignment.TOP, cell1.getVerticalAlignment());
        cell1.setVerticalAlignment(VerticalAlignment.MIDDLE);
        assertEquals(VerticalAlignment.MIDDLE, cell1.getVerticalAlignment());
        cell1.setVerticalAlignment(null);
        assertEquals(VerticalAlignment.TOP, cell1.getVerticalAlignment());
        
        XMLSlideShow ppt2 = XSLFTestDataSamples.writeOutAndReadBack(ppt1);
        ppt1.close();

        slide = ppt2.getSlides().get(0);
        tbl = (XSLFTable)slide.getShapes().get(0);
        assertEquals(2, tbl.getNumberOfColumns());
        assertEquals(1, tbl.getNumberOfRows());
        assertEquals("POI", tbl.getCell(0, 0).getText());
        assertEquals("Apache", tbl.getCell(0, 1).getText());
        
        ppt2.close();
    }
    
    @Test
    public void removeTable() throws IOException {
        XMLSlideShow ss = XSLFTestDataSamples.openSampleDocument("shapes.pptx");
        XSLFSlide sl = ss.getSlides().get(0);
        XSLFTable tab = (XSLFTable)sl.getShapes().get(4);
        sl.removeShape(tab);
        
        XMLSlideShow ss2 = XSLFTestDataSamples.writeOutAndReadBack(ss);
        ss.close();
        
        sl = ss2.getSlides().get(0);
        for (XSLFShape s : sl.getShapes()) {
            assertFalse(s instanceof XSLFTable);
        }
        
        ss2.close();
    }

    @Test
    public void checkTextHeight() throws IOException {
        // from bug 59686
        XMLSlideShow ppt = new XMLSlideShow();
        XSLFSlide sl = ppt.createSlide();
        XSLFTable tab = sl.createTable();
        tab.setAnchor(new Rectangle2D.Double(50,50,300,50));
        XSLFTableRow tr = tab.addRow();
        XSLFTableCell tc0 = tr.addCell();
        tc0.setText("bla bla bla bla");
        tab.setColumnWidth(0, 50);

        // usually text height == 88, but font rendering is plattform dependent
        // so we use something more reliable
        assertTrue(tc0.getTextHeight() > 50);
        assertEquals(0, tc0.getLineWidth(), 0);
        
        ppt.close();
    }

    @Test
    public void checkNullPointerException() {
        XMLSlideShow ss = XSLFTestDataSamples.openSampleDocument("au.asn.aes.www_conferences_2011_presentations_Fri_20Room4Level4_20930_20Maloney.pptx");
        Dimension pgsize = ss.getPageSize();
        for (Slide<?, ?> s : ss.getSlides()) {
            BufferedImage img = new BufferedImage(pgsize.width, pgsize.height, BufferedImage.TYPE_INT_ARGB);
            Graphics2D graphics = img.createGraphics();

            // draw stuff
            s.draw(graphics);

            graphics.dispose();
            img.flush();
        }
    }
}