From a6e14b5490c01f84ca53288e40a340534b6eae05 Mon Sep 17 00:00:00 2001
From: Danny Muid <dmui@apache.org>
Date: Sat, 28 Jun 2003 00:21:47 +0000
Subject: [PATCH] SharedFormula clone patch that was already applied to HEAD

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/branches/REL_2_BRANCH@353171 13f79535-47bb-0310-9956-ffa450edef68
---
 .../apache/poi/hssf/record/FormulaRecord.java |  4 +--
 .../aggregates/FormulaRecordAggregate.java    | 28 ++++++++++++++++++-
 .../poi/hssf/record/formula/ExpPtg.java       |  5 +++-
 3 files changed, 33 insertions(+), 4 deletions(-)

diff --git a/src/java/org/apache/poi/hssf/record/FormulaRecord.java b/src/java/org/apache/poi/hssf/record/FormulaRecord.java
index ad926be47..c1ed74a9d 100644
--- a/src/java/org/apache/poi/hssf/record/FormulaRecord.java
+++ b/src/java/org/apache/poi/hssf/record/FormulaRecord.java
@@ -607,8 +607,8 @@ public class FormulaRecord
       if (field_8_parsed_expr != null)
         size = field_8_parsed_expr.size();
       for (int i=0; i< size; i++) {
-        Ptg ptg = (Ptg)((Ptg)field_8_parsed_expr.get(i)).clone();
-        rec.field_8_parsed_expr.set(i, ptg);
+        Ptg ptg = (Ptg)((Ptg)field_8_parsed_expr.get(i)).clone();        
+        rec.field_8_parsed_expr.add(i, ptg);
       }
       rec.all_data = all_data;
       return rec;
diff --git a/src/java/org/apache/poi/hssf/record/aggregates/FormulaRecordAggregate.java b/src/java/org/apache/poi/hssf/record/aggregates/FormulaRecordAggregate.java
index 7d5b0b048..9a7575c21 100644
--- a/src/java/org/apache/poi/hssf/record/aggregates/FormulaRecordAggregate.java
+++ b/src/java/org/apache/poi/hssf/record/aggregates/FormulaRecordAggregate.java
@@ -82,6 +82,19 @@ public class FormulaRecordAggregate
         this.stringRecord = stringRecord;
     }
 
+	/**
+	 * Used only in the clone
+	 * @param formulaRecord
+	 * @param stringRecord
+	 * @param sharedRecord
+	 */
+	public FormulaRecordAggregate( FormulaRecord formulaRecord, StringRecord stringRecord, SharedFormulaRecord sharedRecord)
+	{
+		  this.formulaRecord = formulaRecord;
+		  this.stringRecord = stringRecord;
+		  this.sharedFormulaRecord = sharedRecord;
+	}
+
 
 
     protected void validateSid( short id )
@@ -221,7 +234,10 @@ public class FormulaRecordAggregate
      * @see java.lang.Object#clone()
      */
     public Object clone() {
-        return new FormulaRecordAggregate((FormulaRecord) this.formulaRecord.clone(), (StringRecord) this.stringRecord.clone());
+			StringRecord clonedString = (stringRecord == null) ? null : (StringRecord)stringRecord.clone();
+    		SharedFormulaRecord clonedShared = (sharedFormulaRecord == null) ? null : (SharedFormulaRecord)sharedFormulaRecord.clone();
+    		
+        return new FormulaRecordAggregate((FormulaRecord) this.formulaRecord.clone(), clonedString, clonedShared);
     }
 
 
@@ -241,4 +257,14 @@ public class FormulaRecordAggregate
       this.sharedFormulaRecord = sharedFormulaRecord;
    }
 
+   /* 
+    * Setting to true so that this value does not abort the whole ValueAggregation
+    * (non-Javadoc)
+    * @see org.apache.poi.hssf.record.Record#isInValueSection()
+    */
+   public boolean isInValueSection() {
+
+      return true;
+   }
+
 }
diff --git a/src/java/org/apache/poi/hssf/record/formula/ExpPtg.java b/src/java/org/apache/poi/hssf/record/formula/ExpPtg.java
index 576bce331..b100a1a76 100644
--- a/src/java/org/apache/poi/hssf/record/formula/ExpPtg.java
+++ b/src/java/org/apache/poi/hssf/record/formula/ExpPtg.java
@@ -110,7 +110,10 @@ public class ExpPtg
     public byte getDefaultOperandClass() {return Ptg.CLASS_VALUE;}
     
     public Object clone() {
-      throw new RuntimeException("NO IDEA SHARED FORMULA EXP PTG");
+    	//can't clone one that doesnt have data can we??
+		if (this.existing == null) throw new RuntimeException("NO IDEA SHARED FORMULA EXP PTG"); 
+		
+    	return new ExpPtg(this.existing, 0);
     }
 
 }