0.3 bugfixes mangesh (#127)

* More constructors.

* Add constructor for ptgs
Fixed #120

Author: mangeshbendre

zpoi/src/org/zkoss/poi/ss/formula/ptg/Area3DPtg.java

@@ -38,6 +38,9 @@ public class Area3DPtg extends AreaPtgBase implements WorkbookDependentFormula,
 
 	private int field_1_index_extern_sheet;
 
+    public Area3DPtg(){
+        /* For seralization */
+    }
 
 	public Area3DPtg(String arearef, int externIdx) {
 		super(new AreaReference(arearef));

zpoi/src/org/zkoss/poi/ss/formula/ptg/AreaNPtg.java

@@ -26,6 +26,11 @@ Licensed to the Apache Software Foundation (ASF) under one or more
 public final class AreaNPtg extends Area2DPtgBase {
 	public final static short sid = 0x2D;
 
+
+    public AreaNPtg(){
+        /* For seralization */
+    }
+
 	public AreaNPtg(LittleEndianInput in)  {
 		super(in);
 	}

zpoi/src/org/zkoss/poi/ss/formula/ptg/ArrayPtg.java

@@ -49,14 +49,19 @@ public final class ArrayPtg extends Ptg {
 	public static final int PLAIN_TOKEN_SIZE = 1+RESERVED_FIELD_LEN;
 
 	// 7 bytes of data (stored as an int, short and byte here)
-	private final int _reserved0Int;
-	private final int _reserved1Short;
-	private final int _reserved2Byte;
+	private int _reserved0Int;
+	private int _reserved1Short;
+	private int _reserved2Byte;
 
 	// data from these fields comes after the Ptg data of all tokens in current formula
-	private final int  _nColumns;
-	private final int _nRows;
-	private final Object[] _arrayValues;
+	private int  _nColumns;
+	private int _nRows;
+	private Object[] _arrayValues;
+
+
+    public ArrayPtg(){
+        /* For seralization */
+    }
 
 	ArrayPtg(int reserved0, int reserved1, int reserved2, int nColumns, int nRows, Object[] arrayValues) {
 		_reserved0Int = reserved0;

zpoi/src/org/zkoss/poi/ss/formula/ptg/BoolPtg.java

@@ -36,9 +36,8 @@ public final class BoolPtg extends ScalarConstantPtg {
 
 	private boolean _value;
 
-	BoolPtg()
-	{
-
+	BoolPtg() {
+        /* For seralization */
 	}
 
 	private BoolPtg(boolean b) {

zpoi/src/org/zkoss/poi/ss/formula/ptg/ControlPtg.java

@@ -29,6 +29,10 @@ Licensed to the Apache Software Foundation (ASF) under one or more
  */
 public abstract class ControlPtg extends Ptg {
 
+	public ControlPtg(){
+		/* For seralization */
+	}
+
 	public boolean isBaseToken() {
 		return true;
 	}

zpoi/src/org/zkoss/poi/ss/formula/ptg/DeferredNamePtg.java

@@ -24,6 +24,10 @@ public class DeferredNamePtg extends OperandPtg implements WorkbookDependentForm
 
 	private String namename;
 
+    public DeferredNamePtg(){
+        /* For seralization */
+    }
+
 	public DeferredNamePtg(String name) {
 		this.namename = name;
 	}

zpoi/src/org/zkoss/poi/ss/formula/ptg/DeletedArea3DPtg.java

@@ -33,12 +33,16 @@ Licensed to the Apache Software Foundation (ASF) under one or more
  */
 public final class DeletedArea3DPtg extends OperandPtg implements WorkbookDependentFormula {
 	public final static byte sid = 0x3d;
-	private final int field_1_index_extern_sheet;
-	private final int unused1;
-	private final int unused2;
+	private int field_1_index_extern_sheet;
+	private int unused1;
+	private int unused2;
 
-	private final Area3DPtg ptg; //ZSS-759 for render formula string
-	private final String bookName; //ZSS-759 for render formula string
+	private Area3DPtg ptg; //ZSS-759 for render formula string
+	private String bookName; //ZSS-759 for render formula string
+
+    public DeletedArea3DPtg(){
+        /* For seralization */
+    }
 
 	public DeletedArea3DPtg(int externSheetIndex) {
 		field_1_index_extern_sheet = externSheetIndex;

zpoi/src/org/zkoss/poi/ss/formula/ptg/DeletedRef3DPtg.java

@@ -34,12 +34,16 @@ Licensed to the Apache Software Foundation (ASF) under one or more
  */
 public final class DeletedRef3DPtg extends OperandPtg implements WorkbookDependentFormula {
 	public final static byte sid  = 0x3c;
-	private final int field_1_index_extern_sheet;
-	private final int unused1;
-	
-	private final Ref3DPtg ptg; //ZSS-759 for render formula string
-	private final String bookName; //ZSS-759 for render formula string
+	private int field_1_index_extern_sheet;
+	private int unused1;
 
+	private Ref3DPtg ptg; //ZSS-759 for render formula string
+	private String bookName; //ZSS-759 for render formula string
+
+	public DeletedRef3DPtg(){
+		/* For seralization */
+	}
+
 	/** Creates new DeletedRef3DPtg */
 	public DeletedRef3DPtg(LittleEndianInput in)  {
 		field_1_index_extern_sheet = in.readUShort();

zpoi/src/org/zkoss/poi/ss/formula/ptg/ExpPtg.java

@@ -29,8 +29,12 @@ Licensed to the Apache Software Foundation (ASF) under one or more
 public final class ExpPtg extends ControlPtg {
     private final static int  SIZE = 5;
     public final static short sid  = 0x1;
-    private final int field_1_first_row;
-    private final int field_2_first_col;
+    private int field_1_first_row;
+    private int field_2_first_col;
+
+    public ExpPtg(){
+        /* For seralization */
+    }
 
     public ExpPtg(LittleEndianInput in) {
       field_1_first_row = in.readShort();

zpoi/src/org/zkoss/poi/ss/formula/ptg/FuncPtg.java

@@ -32,6 +32,10 @@ public final class FuncPtg extends AbstractFunctionPtg {
     public final static byte sid  = 0x21;
     public final static int  SIZE = 3;
 
+    public FuncPtg(){
+        /* For seralization */
+    }
+
     public static FuncPtg create(LittleEndianInput in) {
         return create(in.readUShort());
     }