diff --git a/src/documentation/content/xdocs/changes.xml b/src/documentation/content/xdocs/changes.xml index 7a955b303..79eb0e914 100644 --- a/src/documentation/content/xdocs/changes.xml +++ b/src/documentation/content/xdocs/changes.xml @@ -36,6 +36,7 @@ + 31795 - Support cloning of sheets with certain drawing objects on them 43902 - Don't consider merged regions when auto-sizing columns 42464 - Avoid "Expected ExpPtg to be converted from Shared to Non-Shared Formula" on large, formula heavy worksheets 42033 - Add support for named ranges with unicode names diff --git a/src/documentation/content/xdocs/status.xml b/src/documentation/content/xdocs/status.xml index 6c8b47b46..37383c816 100644 --- a/src/documentation/content/xdocs/status.xml +++ b/src/documentation/content/xdocs/status.xml @@ -33,6 +33,7 @@ + 31795 - Support cloning of sheets with certain drawing objects on them 43902 - Don't consider merged regions when auto-sizing columns 42464 - Avoid "Expected ExpPtg to be converted from Shared to Non-Shared Formula" on large, formula heavy worksheets 42033 - Add support for named ranges with unicode names diff --git a/src/java/org/apache/poi/hssf/record/AbstractEscherHolderRecord.java b/src/java/org/apache/poi/hssf/record/AbstractEscherHolderRecord.java index efa83ca33..c9417a9c3 100644 --- a/src/java/org/apache/poi/hssf/record/AbstractEscherHolderRecord.java +++ b/src/java/org/apache/poi/hssf/record/AbstractEscherHolderRecord.java @@ -24,6 +24,9 @@ import org.apache.poi.ddf.EscherRecordFactory; import org.apache.poi.ddf.NullEscherSerializationListener; import org.apache.poi.util.LittleEndian; +import java.io.ByteArrayInputStream; +import java.lang.reflect.Constructor; +import java.lang.reflect.InvocationTargetException; import java.util.ArrayList; import java.util.Iterator; import java.util.List; @@ -76,7 +79,7 @@ public abstract class AbstractEscherHolderRecord { if (id != getSid()) { - throw new RecordFormatException("Not an escher record"); + throw new RecordFormatException("Not an escher record! (sid was " + id + ", expecting " + getSid() + ")"); } } @@ -227,7 +230,19 @@ public abstract class AbstractEscherHolderRecord public Object clone() { - throw new IllegalStateException("Not implemented yet."); + // Do it via a re-serialise + // It's a cheat, but it works... + byte[] b = serialize(); + RecordInputStream rinp = new RecordInputStream( + new ByteArrayInputStream(b) + ); + rinp.nextRecord(); + + Record[] r = RecordFactory.createRecord(rinp); + if(r.length != 1) { + throw new IllegalStateException("Re-serialised a record to clone it, but got " + r.length + " records back!"); + } + return r[0]; } public void addEscherRecord(int index, EscherRecord element) diff --git a/src/java/org/apache/poi/hssf/record/DrawingRecord.java b/src/java/org/apache/poi/hssf/record/DrawingRecord.java index d6b34b6be..009bc31bc 100644 --- a/src/java/org/apache/poi/hssf/record/DrawingRecord.java +++ b/src/java/org/apache/poi/hssf/record/DrawingRecord.java @@ -107,15 +107,16 @@ public class DrawingRecord extends Record } public Object clone() { - if (recordData == null) { - recordData = new byte[ 0 ]; - } - DrawingRecord rec = new DrawingRecord(); - rec.recordData = new byte[ recordData.length ]; - rec.contd = new byte[ contd.length ]; - System.arraycopy(recordData, 0, rec.recordData, 0, recordData.length); - System.arraycopy(contd, 0, rec.contd, 0, contd.length); + + if (recordData != null) { + rec.recordData = new byte[ recordData.length ]; + System.arraycopy(recordData, 0, rec.recordData, 0, recordData.length); + } + if (contd != null) { + System.arraycopy(contd, 0, rec.contd, 0, contd.length); + rec.contd = new byte[ contd.length ]; + } return rec; } diff --git a/src/testcases/org/apache/poi/hssf/data/SheetWithDrawing.xls b/src/testcases/org/apache/poi/hssf/data/SheetWithDrawing.xls new file mode 100644 index 000000000..e1395291b Binary files /dev/null and b/src/testcases/org/apache/poi/hssf/data/SheetWithDrawing.xls differ diff --git a/src/testcases/org/apache/poi/hssf/usermodel/TestHSSFWorkbook.java b/src/testcases/org/apache/poi/hssf/usermodel/TestHSSFWorkbook.java index 8a83abde6..6d5afca11 100644 --- a/src/testcases/org/apache/poi/hssf/usermodel/TestHSSFWorkbook.java +++ b/src/testcases/org/apache/poi/hssf/usermodel/TestHSSFWorkbook.java @@ -109,4 +109,24 @@ public class TestHSSFWorkbook extends TestCase assertEquals(b.getSelectedTab(), 1); assertEquals(b.getDisplayedTab(), 1); } + + public void testSheetClone() throws Exception { + // First up, try a simple file + HSSFWorkbook b = new HSSFWorkbook(); + assertEquals(0, b.getNumberOfSheets()); + b.createSheet("Sheet One"); + b.createSheet("Sheet Two"); + + assertEquals(2, b.getNumberOfSheets()); + b.cloneSheet(0); + assertEquals(3, b.getNumberOfSheets()); + + // Now try a problem one with drawing records in it + b = new HSSFWorkbook( + new FileInputStream(new File(filename,"SheetWithDrawing.xls")) + ); + assertEquals(1, b.getNumberOfSheets()); + b.cloneSheet(0); + assertEquals(2, b.getNumberOfSheets()); + } } \ No newline at end of file