http://nagoya.apache.org/bugzilla/show_bug.cgi?id=10884

patch to read and set margins
PR:
Obtained from:
Submitted by:
Reviewed by:


git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352796 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/hssf/dev/BiffViewer.java

@@ -609,7 +609,18 @@ public class BiffViewer {
             case LegendRecord.sid:
                 retval = new LegendRecord(rectype, size, data);
                 break;
-                
+	    case LeftMarginRecord.sid:
+	        retval = new LeftMarginRecord(rectype, size, data);
+	        break;
+	    case RightMarginRecord.sid:
+	        retval = new RightMarginRecord(rectype, size, data);
+	        break;
+	    case TopMarginRecord.sid:
+	        retval = new TopMarginRecord(rectype, size, data);
+	        break;
+	    case BottomMarginRecord.sid:
+	        retval = new BottomMarginRecord(rectype, size, data);
+	        break;
                 
             default:
                 retval = new UnknownRecord(rectype, size, data);

src/java/org/apache/poi/hssf/model/Sheet.java

@@ -91,6 +91,11 @@ import org.apache.poi.hssf.record
 public class Sheet
     extends java.lang.Object
 {
+    public static final short LeftMargin = 0;
+    public static final short RightMargin = 1;
+    public static final short TopMargin = 2;
+    public static final short BottomMargin = 3;
+
     protected ArrayList              records        = null;
     int                              preoffset      = 0;      // offset of the sheet in a new file
     int                              loc            = 0;
@@ -2037,4 +2042,78 @@ public class Sheet
 	WindowTwoRecord windowTwo = (WindowTwoRecord) findFirstRecordBySid(WindowTwoRecord.sid);
 	windowTwo.setSelected(sel);
     }
+
+     /**
+      * Gets the size of the margin in inches.
+      * @param margin which margin to get
+      * @return the size of the margin
+      */
+     public double getMargin(short margin) {
+       Margin m;
+       switch (margin) {
+       case LeftMargin :
+           m = (Margin)findFirstRecordBySid(LeftMarginRecord.sid);
+           if (m == null)
+               return .75;
+           break;
+       case RightMargin :
+           m = (Margin)findFirstRecordBySid(RightMarginRecord.sid);
+           if (m == null)
+               return .75;
+           break;
+       case TopMargin :
+           m = (Margin)findFirstRecordBySid(TopMarginRecord.sid);
+           if (m == null)
+               return 1.0;
+           break;
+       case BottomMargin :
+           m = (Margin)findFirstRecordBySid(BottomMarginRecord.sid);
+           if (m == null)
+               return 1.0;
+           break;
+       default : throw new RuntimeException("Unknown margin constant:  " + margin);
+       }
+       return m.getMargin();
+     }
+
+     /**
+      * Sets the size of the margin in inches.
+      * @param margin which margin to get
+      * @param size the size of the margin
+      */
+     public void setMargin(short margin, double size) {
+       Margin m;
+       switch (margin) {
+       case LeftMargin :
+           m = (Margin)findFirstRecordBySid(LeftMarginRecord.sid);
+           if (m == null) {
+               m = new LeftMarginRecord();
+               records.add(getDimsLoc() + 1, (Record)m);
+           }
+           break;
+       case RightMargin :
+           m = (Margin)findFirstRecordBySid(RightMarginRecord.sid);
+           if (m == null) {
+               m = new RightMarginRecord();
+               records.add(getDimsLoc() + 1, (Record)m);
+           }
+           break;
+       case TopMargin :
+           m = (Margin)findFirstRecordBySid(TopMarginRecord.sid);
+           if (m == null) {
+               m = new TopMarginRecord();
+               records.add(getDimsLoc() + 1, (Record)m);
+           }
+           break;
+       case BottomMargin :
+           m = (Margin)findFirstRecordBySid(BottomMarginRecord.sid);
+           if (m == null) {
+               m = new BottomMarginRecord();
+               records.add(getDimsLoc() + 1, (Record)m);
+           }
+           break;
+       default : throw new RuntimeException("Unknown margin constant:  " + margin);
+       }
+       m.setMargin(size);
+     }
 }

src/java/org/apache/poi/hssf/record/RecordFactory.java

@@ -107,7 +107,8 @@ public class RecordFactory
                 LabelRecord.class, BlankRecord.class, ColumnInfoRecord.class,
                 MulRKRecord.class, MulBlankRecord.class, MergeCellsRecord.class,
                 FormulaRecord.class, BoolErrRecord.class, ExternSheetRecord.class,
-		NameRecord.class
+		NameRecord.class, LeftMarginRecord.class, RightMarginRecord.class, 
+		TopMarginRecord.class, BottomMarginRecord.class
             };
         } else {
             records = new Class[]
@@ -135,7 +136,9 @@ public class RecordFactory
                 WindowTwoRecord.class, SelectionRecord.class, ContinueRecord.class,
                 LabelRecord.class, BlankRecord.class, ColumnInfoRecord.class,
                 MulRKRecord.class, MulBlankRecord.class, MergeCellsRecord.class,
-                BoolErrRecord.class, ExternSheetRecord.class, NameRecord.class
+                BoolErrRecord.class, ExternSheetRecord.class, NameRecord.class,
+		LeftMarginRecord.class, RightMarginRecord.class, 
+		TopMarginRecord.class, BottomMarginRecord.class
             };
             
         }

src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java

@@ -65,6 +65,7 @@ import org.apache.poi.hssf.record.CellValueRecordInterface;
 import org.apache.poi.hssf.record.Record;
 import org.apache.poi.hssf.record.RowRecord;
 import org.apache.poi.hssf.record.VCenterRecord;
+import org.apache.poi.hssf.record.WindowTwoRecord;
 import org.apache.poi.hssf.record.WSBoolRecord;
 import org.apache.poi.hssf.util.Region;
 import org.apache.poi.util.POILogFactory;
@@ -85,6 +86,12 @@ public class HSSFSheet
 {
     private static final int DEBUG = POILogger.DEBUG;
 
+    /* Constants for margins */
+    public static final short LeftMargin = Sheet.LeftMargin;
+    public static final short RightMargin = Sheet.RightMargin;
+    public static final short TopMargin = Sheet.TopMargin;
+    public static final short BottomMargin = Sheet.BottomMargin;
+
     /**
      * Used for compile-time optimization.  This is the initial size for the collection of
      * rows.  It is currently set to 20.  If you generate larger sheets you may benefit
@@ -792,12 +799,30 @@ public class HSSFSheet
     public HSSFFooter getFooter() {
         return new HSSFFooter(getSheet().getFooter());
      }
+
      /**
       * Sets whether sheet is selected.
       * @param sel Whether to select the sheet or deselect the sheet.
       */
      public void setSelected(boolean sel) {
        getSheet().setSelected(sel);
-
      }
+
+     /**
+      * Gets the size of the margin in inches.
+      * @param margin which margin to get
+      * @return the size of the margin
+      */
+     public double getMargin(short margin) {
+       return getSheet().getMargin(margin);
+     }
+
+     /**
+      * Sets the size of the margin in inches.
+      * @param margin which margin to get
+      * @param size the size of the margin
+      */
+     public void setMargin(short margin, double size) {
+       getSheet().setMargin(margin, size);
+      }
 }