TestXSLFTable.java

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package org.apache.poi.xslf.usermodel;

import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertInstanceOf;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertTrue;

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

import org.apache.poi.sl.draw.DrawTableShape;
import org.apache.poi.sl.usermodel.*;
import org.apache.poi.sl.usermodel.TableCell.BorderEdge;
import org.apache.poi.util.RandomSingleton;
import org.apache.poi.util.TempFile;
import org.apache.poi.xslf.XSLFTestDataSamples;
import org.apache.poi.xslf.util.PPTX2PNG;
import org.junit.jupiter.api.Test;
import org.openxmlformats.schemas.drawingml.x2006.main.CTTableCell;
import org.openxmlformats.schemas.presentationml.x2006.main.CTGraphicalObjectFrame;

class TestXSLFTable {

    @Test
    void testResize() throws Exception {
        String[][] data = getDummyData(20);
        final int maxHeight = 400;

        XMLSlideShow ppt = new XMLSlideShow();
        int rowIdx=1;

        XSLFSlide slide = ppt.createSlide();
        // a red bordered box in the background, to show/verify the table dimensions
        XSLFAutoShape as = slide.createAutoShape();
        as.setShapeType(ShapeType.RECT);
        as.setStrokeStyle(Color.RED, 2., StrokeStyle.LineDash.LG_DASH);

        XSLFTable tab = slide.createTable(1, data[0].length);
        tab.setAnchor(new Rectangle2D.Double(50,50,0,0));
        tab.setColumnWidth(0, 60);
        tab.setColumnWidth(1, 60);
        tab.setColumnWidth(2, 60);

        tab.insertColumn(0);
        assertEquals(tab.getColumnWidth(1), tab.getColumnWidth(0), 0.00001);
        assertNotNull(tab.getCell(0, 0).getTextBody());
        tab.addColumn();
        XSLFTableCell cell = tab.getCell(0, data[0].length + 1);
        assertEquals(1, cell.getTextBody().getParagraphs().size());
        assertEquals("", cell.getTextBody().getParagraph(0).getText());
        assertEquals(tab.getColumnWidth(tab.getNumberOfColumns() - 2), tab.getColumnWidth(tab.getNumberOfColumns() - 1), 0.00001);
        assertNotNull(tab.getCell(0, tab.getNumberOfColumns() - 1).getTextBody());
        tab.removeColumn(0);
        tab.removeColumn(tab.getNumberOfColumns() - 1);
        assertEquals(data[0].length, tab.getNumberOfColumns());
        assertNull(tab.getTableStyle());

        int startRow = rowIdx-1;

        XSLFTableRow row = tab.getRows().get(0);
        for (int colIdx=0; colIdx<data[0].length; colIdx++) {
            XSLFTextRun tr = row.getCells().get(colIdx).setText(data[0][colIdx]);
            tr.setFontSize(20.);
            tr.setFontFamily("Arial");
        }

        while (rowIdx<data.length) {
            row = tab.addRow();
            for (int col=0; col<data[rowIdx].length; col++) {
                XSLFTextRun tr = row.addCell().setText(data[rowIdx][col]);
                tr.setFontSize(15.);
                tr.setFontFamily("Arial");
            }
            row = tab.insertRow(rowIdx);
            for (int col=0; col<data[rowIdx].length; col++) {
                XSLFTextRun tr = tab
                        .getCell(rowIdx, col)
                        .setText(data[rowIdx][col]);
                tr.setFontSize(12.);
                tr.setFontFamily("Arial");
            }
            tab.updateCellAnchor();
            if (tab.getAnchor().getHeight() > maxHeight) {
                tab.removeRow(rowIdx-startRow);
                break;
            }
            rowIdx += 2;
        }

        as.setAnchor(tab.getAnchor());

        File fileOut = TempFile.createTempFile("tabtest", ".pptx");
        try (FileOutputStream fos = new FileOutputStream(fileOut)) {
            ppt.write(fos);
        }

        String[] args = {
            "-format", "null", // png,gif,jpg or null for test
            "-slide", "-1", // -1 for all
            "-outdir", fileOut.getParentFile().getCanonicalPath(),
            "-quiet",
            fileOut.getAbsolutePath()
        };
        PPTX2PNG.main(args);
    }

    private static String[][] getDummyData(int rows) {
        String[] header = { "Row#", "ID", "Name", "Description", "Price", "Percent", "Current Value" };
        String[][] data = new String[rows+1][header.length];
        System.arraycopy(header, 0, data[0], 0, header.length);

        String[] names = { "car", "rubber duckie", "phone", "gadget" };
        String[] desc = { "new", "used", "untouched" };



        for (int row=1; row<=rows; row++) {
            String[] line = new String[header.length];
            line[0] = Integer.toString(row);
            line[1] = Integer.toString(RandomSingleton.getInstance().nextInt(1000));
            line[2] = names[RandomSingleton.getInstance().nextInt(names.length)];
            line[3] = "The "+desc[RandomSingleton.getInstance().nextInt(desc.length)]+" "+line[2]+" in "+(2017+row);
            line[4] = "$"+RandomSingleton.getInstance().nextInt(50000);
            line[5] = RandomSingleton.getInstance().nextInt(100)+"%";
            line[6] = "$"+RandomSingleton.getInstance().nextInt(50000);
            System.arraycopy(line, 0, data[row], 0, header.length);
        }

        return data;
    }


    @Test
    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());
        assertInstanceOf(XSLFTable.class, shapes.get(0));
        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);
        assertNotNull(tbl.getTableStyle());

        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
    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());
        assertInstanceOf(CTGraphicalObjectFrame.class, tbl.getXmlObject());
        assertEquals("Table 2", 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());
        assertNull(tbl.getTableStyle());

        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
    void removeTable() throws IOException {
        XMLSlideShow ss = XSLFTestDataSamples.openSampleDocument("shapes.pptx");
        XSLFSlide sl = ss.getSlides().get(0);
        XSLFTable tab = (XSLFTable)sl.getShapes().get(4);
        assertNotNull(tab.getTableStyle());
        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
    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);
        assertNull(tab.getTableStyle());

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

        ppt.close();
    }

    @Test
    void checkNullPointerException() throws IOException {
        String file = "au.asn.aes.www_conferences_2011_presentations_Fri_20Room4Level4_20930_20Maloney.pptx";
        try (XMLSlideShow ss = XSLFTestDataSamples.openSampleDocument(file)) {
            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
                assertDoesNotThrow(() -> s.draw(graphics));

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

    @Test
    void simpleMerge() throws IOException {
        // github-221
        try (XMLSlideShow slideshow = new XMLSlideShow()) {
            XSLFSlide slide = slideshow.createSlide();
            XSLFTable newTable = slide.createTable(3, 3);
            newTable.setAnchor(new Rectangle(100, 100, 100, 100));

            XSLFTableRow tableRow = newTable.addRow();
            assertEquals(0, tableRow.getCells().size());
            XSLFTableCell cell = tableRow.addCell();
            XSLFTextParagraph textparagraph = cell.addNewTextParagraph();
            XSLFTextRun textrun = textparagraph.addNewTextRun();
            textrun.setText("Any Text");
            textrun.setFontColor(Color.BLUE);
            textparagraph.setTextAlign(TextParagraph.TextAlign.CENTER);
            tableRow.addCell();
            tableRow.addCell();
            tableRow.mergeCells(0, 1);

            new DrawTableShape(newTable).setAllBorders(3., StrokeStyle.LineDash.LG_DASH_DOT, Color.BLUE);

            assertEquals(3, newTable.getCTTable().getTblGrid().sizeOfGridColArray());
            assertNull(newTable.getTableStyle());
        }
    }

    private void verifyTableCellStyleColors(XSLFTableCell cell, String text, Color fontColor, Color fillColor) {
        assertEquals(text, cell.getText());
        PaintStyle colorText1 = cell.getTextParagraphs().get(0).getTextRuns().get(0).getFontColor();
        assertInstanceOf(PaintStyle.SolidPaint.class, colorText1);
        assertEquals(fontColor, ((PaintStyle.SolidPaint)colorText1).getSolidColor().getColor());
        assertEquals(fillColor, cell.getFillColor());
    }

    @Test
    void testTableCellStyle() throws IOException {
        XMLSlideShow  ppt = XSLFTestDataSamples.openSampleDocument("table-with-different-font-colors.pptx");

        // First slide: test row-related table styles

        List<XSLFShape> shapes = ppt.getSlides().get(0).getShapes();
        assertEquals(1, shapes.size());
        assertInstanceOf(XSLFTable.class, shapes.get(0));
        XSLFTable tbl = (XSLFTable)shapes.get(0);
        assertEquals(4, tbl.getNumberOfColumns());
        assertEquals(4, tbl.getNumberOfRows());
        assertNotNull(tbl.getCTTable());
        assertNotNull(tbl.getTableStyle());

        // Yellow font color due to "first row" table style
        verifyTableCellStyleColors(tbl.getRows().get(0).getCells().get(0), "Text 1",
                new Color(255, 255, 0), new Color(21, 96, 130));
        // Dark green font color due to direct format
        verifyTableCellStyleColors(tbl.getRows().get(0).getCells().get(2), "Text 3",
                new Color(0, 176, 80), new Color(21, 96, 130));
        // Grey font color due to "even row" table style + fallback
        verifyTableCellStyleColors(tbl.getRows().get(1).getCells().get(0), "Text 5",
                new Color(119, 119, 119), new Color(204, 210, 216));
        // Light blue font color due to "odd row" table style
        verifyTableCellStyleColors(tbl.getRows().get(2).getCells().get(0), "Text 9",
                new Color(0, 255, 255), new Color(231, 234, 237));
        // Red font color due to direct format
        verifyTableCellStyleColors(tbl.getRows().get(2).getCells().get(2), "Text 11",
                new Color(255, 0, 0), new Color(231, 234, 237));
        // Blue font color due to "last row" table style
        verifyTableCellStyleColors(tbl.getRows().get(3).getCells().get(0), "Text 13",
                new Color(0, 0, 255), new Color(21, 96, 130));

        // Second slide: test column-related table styles

        shapes = ppt.getSlides().get(1).getShapes();
        assertEquals(1, shapes.size());
        assertInstanceOf(XSLFTable.class, shapes.get(0));
        tbl = (XSLFTable)shapes.get(0);
        assertEquals(4, tbl.getNumberOfColumns());
        assertEquals(4, tbl.getNumberOfRows());
        assertNotNull(tbl.getCTTable());
        assertNotNull(tbl.getTableStyle());

        // Green font color due to "first column" table style
        verifyTableCellStyleColors(tbl.getRows().get(0).getCells().get(0), "Text 1",
                new Color(0, 255, 0), new Color(21, 96, 130));
        // Grey font color due to "even column" table style + fallback
        verifyTableCellStyleColors(tbl.getRows().get(0).getCells().get(1), "Text 2",
                new Color(119, 119, 119), new Color(204, 210, 216));
        // Light blue font color due to "odd column" table style
        verifyTableCellStyleColors(tbl.getRows().get(0).getCells().get(2), "Text 3",
                new Color(0, 255, 255), new Color(231, 234, 237));
        // Red font color due to "last column" table style
        verifyTableCellStyleColors(tbl.getRows().get(0).getCells().get(3), "Text 4",
                new Color(255, 0, 0), new Color(21, 96, 130));

        ppt.close();
    }
}