#59327 - Setting text direction on a table cell has no effect

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1742338 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/sl/usermodel/TextShape.java

@@ -17,7 +17,6 @@
 
 package org.apache.poi.sl.usermodel;
 
-import java.awt.Graphics2D;
 import java.util.List;
 
 public interface TextShape<
@@ -44,11 +43,13 @@ public interface TextShape<
          * (each line is 270 degrees rotated clockwise, so it goes
          * from bottom to top; each next line is to the right from
          * the previous one).
+         * For HSLF: always interpreted by Powerpoint as HORIZONTAL.
          */
         VERTICAL_270,
         /**
          * Determines if all of the text is vertical
          * ("one letter on top of another").
+         * For HSLF: not supported
          */
         STACKED
     }

src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFTableCell.java

@@ -45,6 +45,7 @@ import org.openxmlformats.schemas.drawingml.x2006.main.STLineEndWidth;
 import org.openxmlformats.schemas.drawingml.x2006.main.STPenAlignment;
 import org.openxmlformats.schemas.drawingml.x2006.main.STPresetLineDashVal;
 import org.openxmlformats.schemas.drawingml.x2006.main.STTextAnchoringType;
+import org.openxmlformats.schemas.drawingml.x2006.main.STTextVerticalType;
 
 /**
  * Represents a cell of a table in a .pptx presentation
@@ -429,4 +430,65 @@ public class XSLFTableCell extends XSLFTextShape implements TableCell<XSLFShape,
         return align;
      }
 
+    /**
+     * @since POI 3.15-beta2
+     */
+    @Override
+    public void setTextDirection(TextDirection orientation) {
+        CTTableCellProperties cellProps = getCellProperties(true);
+        if(orientation == null) {
+            if (cellProps.isSetVert()) {
+                cellProps.unsetVert();
+            }
+        } else {
+            STTextVerticalType.Enum vt;
+            switch (orientation) {
+            default:
+            case HORIZONTAL:
+                vt = STTextVerticalType.HORZ;
+                break;
+            case VERTICAL:
+                vt = STTextVerticalType.VERT;
+                break;
+            case VERTICAL_270:
+                vt = STTextVerticalType.VERT_270;
+                break;
+            case STACKED:
+                vt = STTextVerticalType.WORD_ART_VERT;
+                break;
+            }
+            
+            cellProps.setVert(vt);
+        }
+    }
+
+    /**
+     * @since POI 3.15-beta2
+     */
+    @Override
+    public TextDirection getTextDirection() {
+        CTTableCellProperties cellProps = getCellProperties(false);
+
+        STTextVerticalType.Enum orientation;
+        if (cellProps != null && cellProps.isSetVert()) {
+            orientation = cellProps.getVert();
+        } else {
+            orientation = STTextVerticalType.HORZ;
+        }
+                
+        switch (orientation.intValue()) {
+            default:
+            case STTextVerticalType.INT_HORZ:
+                return TextDirection.HORIZONTAL;
+            case STTextVerticalType.INT_VERT:
+            case STTextVerticalType.INT_EA_VERT:
+            case STTextVerticalType.INT_MONGOLIAN_VERT:
+                return TextDirection.VERTICAL;
+            case STTextVerticalType.INT_VERT_270:
+                return TextDirection.VERTICAL_270;
+            case STTextVerticalType.INT_WORD_ART_VERT:
+            case STTextVerticalType.INT_WORD_ART_VERT_RTL:
+                return TextDirection.STACKED;
+        }
+    }
 }

src/ooxml/testcases/org/apache/poi/sl/TestTable.java

@@ -21,14 +21,19 @@ package org.apache.poi.sl;
 
 import static org.junit.Assert.assertEquals;
 
+import java.awt.geom.Rectangle2D;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 
 import org.apache.poi.POIDataSamples;
+import org.apache.poi.hslf.usermodel.HSLFSlideShow;
 import org.apache.poi.sl.usermodel.SlideShow;
 import org.apache.poi.sl.usermodel.SlideShowFactory;
+import org.apache.poi.sl.usermodel.TableCell;
 import org.apache.poi.sl.usermodel.TableShape;
-import org.apache.poi.xslf.XSLFTestDataSamples;
+import org.apache.poi.sl.usermodel.TextShape.TextDirection;
 import org.apache.poi.xslf.usermodel.XMLSlideShow;
 import org.junit.Test;
 
@@ -89,4 +94,42 @@ public class TestTable {
         }
     }
 
+    @Test
+    public void testTextDirection() throws IOException {
+        
+        TextDirection tds[] = {
+            TextDirection.HORIZONTAL,
+            TextDirection.VERTICAL,
+            TextDirection.VERTICAL_270,
+            // TextDirection.STACKED is not supported on HSLF
+        };
+        
+        for (int i=0; i<2; i++) {
+            SlideShow<?,?> ppt1 = (i == 0) ? new HSLFSlideShow() : new XMLSlideShow();
+            TableShape<?,?> tbl1 = ppt1.createSlide().createTable(1, 3);
+            tbl1.setAnchor(new Rectangle2D.Double(50, 50, 200, 200));
+        
+            int col = 0;
+            for (TextDirection td : tds) {
+                TableCell<?,?> c = tbl1.getCell(0, col++);
+                c.setTextDirection(td);
+                c.setText("bla");
+            }
+            
+            ByteArrayOutputStream bos = new ByteArrayOutputStream();
+            ppt1.write(bos);
+            ppt1.close();
+            
+            InputStream is = new ByteArrayInputStream(bos.toByteArray());
+            SlideShow<?,?> ppt2 = SlideShowFactory.create(is);
+            TableShape<?,?> tbl2 = (TableShape<?,?>)ppt2.getSlides().get(0).getShapes().get(0);
+            
+            col = 0;
+            for (TextDirection td : tds) {
+                TableCell<?,?> c = tbl2.getCell(0, col++);
+                assertEquals(td, c.getTextDirection());
+            }
+            ppt2.close();
+        }
+    }
 }

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFTextShape.java

@@ -660,15 +660,51 @@ implements TextShape<HSLFShape,HSLFTextParagraph> {
 
     @Override
     public TextDirection getTextDirection() {
-        // TODO: determine vertical text setting
+        // see 2.4.5 MSOTXFL
-        // see 2.3.22.10 Geometry Text Boolean Properties
+        AbstractEscherOptRecord opt = getEscherOptRecord();
-        return TextDirection.HORIZONTAL;
+        EscherSimpleProperty prop = getEscherProperty(opt, EscherProperties.TEXT__TEXTFLOW);
+        int msotxfl = (prop == null) ? 0 : prop.getPropertyValue();
+        switch (msotxfl) {
+            default:
+            case 0: // msotxflHorzN
+            case 4: // msotxflHorzA
+                return TextDirection.HORIZONTAL;
+            case 1: // msotxflTtoBA
+            case 3: // msotxflTtoBN
+            case 5: // msotxflVertN
+                return TextDirection.VERTICAL;
+            case 2: // msotxflBtoT
+                return TextDirection.VERTICAL_270;
+            // TextDirection.STACKED is not supported
+        }
     }
 
     @Override
     public void setTextDirection(TextDirection orientation) {
-        // TODO: determine vertical text setting
+        AbstractEscherOptRecord opt = getEscherOptRecord();
-        // see 2.3.22.10 Geometry Text Boolean Properties / gtextFVertical [MS-ODRAW]
+        int msotxfl;
+        if (orientation == null) {
+            msotxfl = -1;
+        } else {
+            switch (orientation) {
+                default:
+                case STACKED:
+                    // not supported -> remove
+                    msotxfl = -1;
+                    break;
+                case HORIZONTAL:
+                    msotxfl = 0;
+                    break;
+                case VERTICAL:
+                    msotxfl = 1;
+                    break;
+                case VERTICAL_270:
+                    // always interpreted as horizontal
+                    msotxfl = 2;
+                    break;
+            }
+        }
+        setEscherProperty(opt, EscherProperties.TEXT__TEXTFLOW, msotxfl);
     }
     
     @Override