1    
2    /* ====================================================================
3     * The Apache Software License, Version 1.1
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13    *    notice, this list of conditions and the following disclaimer.
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15    * 2. Redistributions in binary form must reproduce the above copyright
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55   
56   package org.apache.poi.hssf.record;
57   
58   import org.apache.poi.util.LittleEndian;
59   
60   /**
61    * Title:        HCenter record<P>
62    * Description:  whether to center between horizontal margins<P>
63    * REFERENCE:  PG 320 Microsoft Excel 97 Developer's Kit (ISBN: 1-57231-498-2)<P>
64    * @author Andrew C. Oliver (acoliver at apache dot org)
65    * @author Jason Height (jheight at chariot dot net dot au)
66    * @version 2.0-pre
67    */
68   
69   public class HCenterRecord
70       extends Record
71   {
72       public final static short sid = 0x83;
73       private short             field_1_hcenter;
74   
75       public HCenterRecord()
76       {
77       }
78   
79       /**
80        * Constructs an HCenter record and sets its fields appropriately.
81        *
82        * @param id     id must be 0x83 or an exception will be throw upon validation
83        * @param size  the size of the data area of the record
84        * @param data  data of the record (should not contain sid/len)
85        */
86   
87       public HCenterRecord(short id, short size, byte [] data)
88       {
89           super(id, size, data);
90       }
91   
92       /**
93        * Constructs an HCenter record and sets its fields appropriately.
94        *
95        * @param id     id must be 0x83 or an exception will be throw upon validation
96        * @param size  the size of the data area of the record
97        * @param data  data of the record (should not contain sid/len)
98        * @param offset of the record's data
99        */
100  
101      public HCenterRecord(short id, short size, byte [] data, int offset)
102      {
103          super(id, size, data, offset);
104      }
105  
106      protected void validateSid(short id)
107      {
108          if (id != sid)
109          {
110              throw new RecordFormatException("NOT A HCenter RECORD");
111          }
112      }
113  
114      protected void fillFields(byte [] data, short size, int offset)
115      {
116          field_1_hcenter = LittleEndian.getShort(data, 0 + offset);
117      }
118  
119      /**
120       * set whether or not to horizonatally center this sheet.
121       * @param hc  center - t/f
122       */
123  
124      public void setHCenter(boolean hc)
125      {
126          if (hc == true)
127          {
128              field_1_hcenter = 1;
129          }
130          else
131          {
132              field_1_hcenter = 0;
133          }
134      }
135  
136      /**
137       * get whether or not to horizonatally center this sheet.
138       * @return center - t/f
139       */
140  
141      public boolean getHCenter()
142      {
143          return (field_1_hcenter == 1);
144      }
145  
146      public String toString()
147      {
148          StringBuffer buffer = new StringBuffer();
149  
150          buffer.append("[HCENTER]\n");
151          buffer.append("    .hcenter        = ").append(getHCenter())
152              .append("\n");
153          buffer.append("[/HCENTER]\n");
154          return buffer.toString();
155      }
156  
157      public int serialize(int offset, byte [] data)
158      {
159          LittleEndian.putShort(data, 0 + offset, sid);
160          LittleEndian.putShort(data, 2 + offset, ( short ) 0x2);
161          LittleEndian.putShort(data, 4 + offset, ( short ) field_1_hcenter);
162          return getRecordSize();
163      }
164  
165      public int getRecordSize()
166      {
167          return 6;
168      }
169  
170      public short getSid()
171      {
172          return this.sid;
173      }
174  
175      public Object clone() {
176        HCenterRecord rec = new HCenterRecord();
177        rec.field_1_hcenter = field_1_hcenter;
178        return rec;
179      }
180  }
181