src/testcases/org/apache/poi/hssf/usermodel/TestComment.java

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package org.apache.poi.hssf.usermodel;

import junit.framework.TestCase;
import org.apache.poi.ddf.EscherSpRecord;
import org.apache.poi.hssf.HSSFTestDataSamples;
import org.apache.poi.hssf.model.CommentShape;
import org.apache.poi.hssf.model.HSSFTestModelHelper;
import org.apache.poi.hssf.record.*;

import java.io.*;
import java.util.Arrays;

/**
 * @author Evgeniy Berlog
 * @date 26.06.12
 */
public class TestComment extends TestCase {

    public void testResultEqualsToAbstractShape() {
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sh = wb.createSheet();
        HSSFPatriarch patriarch = sh.createDrawingPatriarch();

        HSSFComment comment = patriarch.createCellComment(new HSSFClientAnchor());
        HSSFRow row = sh.createRow(0);
        HSSFCell cell = row.createCell(0);
        cell.setCellComment(comment);

        CommentShape commentShape = HSSFTestModelHelper.createCommentShape(1025, comment);

        assertEquals(comment.getEscherContainer().getChildRecords().size(), 5);
        assertEquals(commentShape.getSpContainer().getChildRecords().size(), 5);

        //sp record
        byte[] expected = commentShape.getSpContainer().getChild(0).serialize();
        byte[] actual = comment.getEscherContainer().getChild(0).serialize();

        assertEquals(expected.length, actual.length);
        assertTrue(Arrays.equals(expected, actual));

        expected = commentShape.getSpContainer().getChild(2).serialize();
        actual = comment.getEscherContainer().getChild(2).serialize();

        assertEquals(expected.length, actual.length);
        assertTrue(Arrays.equals(expected, actual));

        expected = commentShape.getSpContainer().getChild(3).serialize();
        actual = comment.getEscherContainer().getChild(3).serialize();

        assertEquals(expected.length, actual.length);
        assertTrue(Arrays.equals(expected, actual));

        expected = commentShape.getSpContainer().getChild(4).serialize();
        actual = comment.getEscherContainer().getChild(4).serialize();

        assertEquals(expected.length, actual.length);
        assertTrue(Arrays.equals(expected, actual));

        ObjRecord obj = comment.getObjRecord();
        ObjRecord objShape = commentShape.getObjRecord();
        /**shapeId = 1025 % 1024**/
        ((CommonObjectDataSubRecord)objShape.getSubRecords().get(0)).setObjectId(1);

        expected = obj.serialize();
        actual = objShape.serialize();

        TextObjectRecord tor = comment.getTextObjectRecord();
        TextObjectRecord torShape = commentShape.getTextObjectRecord();

        expected = tor.serialize();
        actual = torShape.serialize();

        assertEquals(expected.length, actual.length);
        assertTrue(Arrays.equals(expected, actual));

        NoteRecord note = comment.getNoteRecord();
        NoteRecord noteShape = commentShape.getNoteRecord();
        noteShape.setShapeId(1);

        expected = note.serialize();
        actual = noteShape.serialize();

        assertEquals(expected.length, actual.length);
        assertTrue(Arrays.equals(expected, actual));
    }

    public void testAddToExistingFile() {
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sh = wb.createSheet();
        HSSFPatriarch patriarch = sh.createDrawingPatriarch();
        int idx = wb.addPicture(new byte[]{1,2,3}, HSSFWorkbook.PICTURE_TYPE_PNG);

        HSSFComment comment = patriarch.createCellComment(new HSSFClientAnchor());
        comment.setColumn(5);
        comment.setString(new HSSFRichTextString("comment1"));
        comment = patriarch.createCellComment(new HSSFClientAnchor(0,0,100,100,(short)0,0,(short)10,10));
        comment.setRow(5);
        comment.setString(new HSSFRichTextString("comment2"));
        comment.setBackgroundImage(idx);
        assertEquals(comment.getBackgroundImageId(), idx);

        assertEquals(patriarch.getChildren().size(), 2);

        wb = HSSFTestDataSamples.writeOutAndReadBack(wb);
        sh = wb.getSheetAt(0);
        patriarch = sh.getDrawingPatriarch();

        comment = (HSSFComment) patriarch.getChildren().get(1);
        assertEquals(comment.getBackgroundImageId(), idx);
        comment.resetBackgroundImage();
        assertEquals(comment.getBackgroundImageId(), 0);

        assertEquals(patriarch.getChildren().size(), 2);
        comment = patriarch.createCellComment(new HSSFClientAnchor());
        comment.setString(new HSSFRichTextString("comment3"));

        assertEquals(patriarch.getChildren().size(), 3);
        wb = HSSFTestDataSamples.writeOutAndReadBack(wb);
        sh = wb.getSheetAt(0);
        patriarch = sh.getDrawingPatriarch();
        comment = (HSSFComment) patriarch.getChildren().get(1);
        assertEquals(comment.getBackgroundImageId(), 0);
        assertEquals(patriarch.getChildren().size(), 3);
        assertEquals(((HSSFComment) patriarch.getChildren().get(0)).getString().getString(), "comment1");
        assertEquals(((HSSFComment) patriarch.getChildren().get(1)).getString().getString(), "comment2");
        assertEquals(((HSSFComment) patriarch.getChildren().get(2)).getString().getString(), "comment3");
    }

    public void testSetGetProperties() throws IOException {
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sh = wb.createSheet();
        HSSFPatriarch patriarch = sh.createDrawingPatriarch();

        HSSFComment comment = patriarch.createCellComment(new HSSFClientAnchor());
        comment.setString(new HSSFRichTextString("comment1"));
        assertEquals(comment.getString().getString(), "comment1");

        comment.setAuthor("poi");
        assertEquals(comment.getAuthor(), "poi");

        comment.setColumn(3);
        assertEquals(comment.getColumn(), 3);

        comment.setRow(4);
        assertEquals(comment.getRow(), 4);

        comment.setVisible(false);
        assertEquals(comment.isVisible(), false);

        wb = HSSFTestDataSamples.writeOutAndReadBack(wb);
        sh = wb.getSheetAt(0);
        patriarch = sh.getDrawingPatriarch();

        comment = (HSSFComment) patriarch.getChildren().get(0);

        assertEquals(comment.getString().getString(), "comment1");
        assertEquals("poi", comment.getAuthor());
        assertEquals(comment.getColumn(), 3);
        assertEquals(comment.getRow(), 4);
        assertEquals(comment.isVisible(), false);

        comment.setString(new HSSFRichTextString("comment12"));
        comment.setAuthor("poi2");
        comment.setColumn(32);
        comment.setRow(42);
        comment.setVisible(true);

        wb = HSSFTestDataSamples.writeOutAndReadBack(wb);
        sh = wb.getSheetAt(0);
        patriarch = sh.getDrawingPatriarch();
        comment = (HSSFComment) patriarch.getChildren().get(0);

        assertEquals(comment.getString().getString(), "comment12");
        assertEquals("poi2", comment.getAuthor());
        assertEquals(comment.getColumn(), 32);
        assertEquals(comment.getRow(), 42);
        assertEquals(comment.isVisible(), true);
    }

    public void testExistingFileWithComment(){
        HSSFWorkbook wb = HSSFTestDataSamples.openSampleWorkbook("drawings.xls");
        HSSFSheet sheet = wb.getSheet("comments");
        HSSFPatriarch drawing = sheet.getDrawingPatriarch();
        assertEquals(1, drawing.getChildren().size());
        HSSFComment comment = (HSSFComment) drawing.getChildren().get(0);
        assertEquals(comment.getAuthor(), "evgeniy");
        assertEquals(comment.getString().getString(), "evgeniy:\npoi test");
        assertEquals(comment.getColumn(), 1);
        assertEquals(comment.getRow(), 2);
    }

    public void testFindComments(){
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sh = wb.createSheet();
        HSSFPatriarch patriarch = sh.createDrawingPatriarch();

        HSSFComment comment = patriarch.createCellComment(new HSSFClientAnchor());
        HSSFRow row = sh.createRow(5);
        HSSFCell cell = row.createCell(4);
        cell.setCellComment(comment);

        HSSFTestModelHelper.createCommentShape(0, comment);

        assertNotNull(sh.findCellComment(5, 4));
        assertNull(sh.findCellComment(5, 5));

        wb = HSSFTestDataSamples.writeOutAndReadBack(wb);
        sh = wb.getSheetAt(0);

        assertNotNull(sh.findCellComment(5, 4));
        assertNull(sh.findCellComment(5, 5));
    }

    public void testInitState(){
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sh = wb.createSheet();
        HSSFPatriarch patriarch = sh.createDrawingPatriarch();

        EscherAggregate agg = HSSFTestHelper.getEscherAggregate(patriarch);
        assertEquals(agg.getTailRecords().size(), 0);

        HSSFComment comment = patriarch.createCellComment(new HSSFClientAnchor());
        assertEquals(agg.getTailRecords().size(), 1);

        HSSFSimpleShape shape = patriarch.createSimpleShape(new HSSFClientAnchor());

        assertEquals(comment.getOptRecord().getEscherProperties().size(), 10);
    }

    public void testShapeId(){
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sh = wb.createSheet();
        HSSFPatriarch patriarch = sh.createDrawingPatriarch();

        HSSFComment comment = patriarch.createCellComment(new HSSFClientAnchor());

        comment.setShapeId(2024);
        /**
         * SpRecord.id == shapeId
         * ObjRecord.id == shapeId % 1024
         * NoteRecord.id == ObjectRecord.id == shapeId % 1024
         */

        assertEquals(comment.getShapeId(), 2024);

        CommonObjectDataSubRecord cod = (CommonObjectDataSubRecord) comment.getObjRecord().getSubRecords().get(0);
        assertEquals(cod.getObjectId(), 1000);
        EscherSpRecord spRecord = (EscherSpRecord) comment.getEscherContainer().getChild(0);
        assertEquals(spRecord.getShapeId(), 2024);
        assertEquals(comment.getShapeId(), 2024);
        assertEquals(comment.getNoteRecord().getShapeId(), 1000);
    }
    
    public void testAttemptToSave2CommentsWithSameCoordinates(){
        Object err = null;
        
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sh = wb.createSheet();
        HSSFPatriarch patriarch = sh.createDrawingPatriarch();
        patriarch.createCellComment(new HSSFClientAnchor());
        patriarch.createCellComment(new HSSFClientAnchor());
        
        try{
            HSSFTestDataSamples.writeOutAndReadBack(wb);
        } catch (IllegalStateException e){
            err = 1;
            assertEquals(e.getMessage(), "found multiple cell comments for cell $A$1");
        }
        assertNotNull(err);
    }
}