Add support for Chart Title Format records (bug #43721)

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@594307 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 148 insertions, 1 deletions

diff --git a/src/java/org/apache/poi/hssf/record/ChartTitleFormatRecord.java b/src/java/org/apache/poi/hssf/record/ChartTitleFormatRecord.java
new file mode 100644
index 0000000000..a9ec81e97a
--- /dev/null
+++ b/src/java/org/apache/poi/hssf/record/ChartTitleFormatRecord.java
@@ -0,0 +1,146 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+
+/*
+ * HSSF Chart Title Format Record Type
+ */
+package org.apache.poi.hssf.record;
+
+import org.apache.poi.util.LittleEndian;
+
+import java.util.ArrayList;
+
+/**
+ * Describes the formatting runs associated with a chart title.
+ */
+public class ChartTitleFormatRecord extends Record {
+	public static final short sid = 0x1050;
+	
+	private int 		m_recs;
+	
+	private class CTFormat {
+		private short m_offset;
+		private short m_fontIndex;
+		
+		protected CTFormat(short offset,short fontIdx){
+			m_offset = offset;
+			m_fontIndex = fontIdx;
+		}
+		
+		public short getOffset(){
+			return m_offset;
+		}
+		public void setOffset(short newOff){
+			m_offset = newOff;
+		}
+		public short getFontIndex() {
+			return m_fontIndex;
+		}
+	}
+	
+	private ArrayList m_formats;
+
+	public ChartTitleFormatRecord() {
+		super();
+	}
+
+	public ChartTitleFormatRecord(RecordInputStream in) {
+		super(in);
+	}
+
+	protected void validateSid(short id) {
+		if (id != sid)
+        {
+            throw new RecordFormatException("NOT A CHARTTITLEFORMAT RECORD");
+        }
+	}
+
+	protected void fillFields(RecordInputStream in) {
+		m_recs = in.readUShort();
+		int idx;
+		CTFormat ctf;
+		if (m_formats == null){
+			m_formats = new ArrayList(m_recs);
+		}
+		for(idx=0;idx<m_recs;idx++) {
+			ctf = new CTFormat(in.readShort(),in.readShort());
+			m_formats.add(ctf);
+		}
+	}
+
+	public int serialize(int offset, byte [] data)
+    {
+        LittleEndian.putShort(data, 0 + offset, sid);
+        LittleEndian.putShort(data, 2 + offset,
+                              ( short ) (getRecordSize() - 4));   
+        int idx;
+        CTFormat ctf;
+        LittleEndian.putShort(data, 4 + offset,(short)m_formats.size());
+        for(idx=0;idx<m_formats.size();idx++){
+        	ctf = (CTFormat)m_formats.get(idx);
+        	LittleEndian.putShort(data, 6 + (idx * 4) + offset, ctf.getOffset());
+        	LittleEndian.putShort(data, 8 + (idx * 4) + offset, ctf.getFontIndex());
+        }
+        
+        return getRecordSize();
+    }
+
+    public int getRecordSize()
+    {
+        return 4 + 2 + (4 * m_formats.size());
+    }
+    
+	public short getSid() {
+		return sid;
+	}
+	
+	public int getFormatCount() {
+		return m_formats.size();
+	}
+	
+	public void modifyFormatRun(short oldPos,short newLen) {
+		short shift = (short)0;
+		for(int idx=0;idx < m_formats.size();idx++) {
+			CTFormat ctf = (CTFormat)m_formats.get(idx);
+			if (shift != 0) {
+				ctf.setOffset((short)(ctf.getOffset() + shift));
+			} else if ((oldPos == ctf.getOffset()) && (idx < (m_formats.size() - 1))){
+				CTFormat nextCTF = (CTFormat)m_formats.get(idx + 1);
+				shift = (short)(newLen - (nextCTF.getOffset() - ctf.getOffset()));
+			} 
+		}
+	}
+	
+	public String toString()
+    {
+        StringBuffer buffer = new StringBuffer();
+
+        buffer.append("[CHARTTITLEFORMAT]\n");
+        buffer.append("    .format_runs       = ").append(m_recs)
+            .append("\n");
+        int idx;
+        CTFormat ctf;
+        for(idx=0;idx<m_formats.size();idx++){
+        	ctf = (CTFormat)m_formats.get(idx);
+        	buffer.append("       .char_offset= ").append(ctf.getOffset());
+        	buffer.append(",.fontidx= ").append(ctf.getFontIndex());
+            buffer.append("\n");
+        }
+        buffer.append("[/CHARTTITLEFORMAT]\n");
+        return buffer.toString();
+    }
+}
diff --git a/src/java/org/apache/poi/hssf/record/RecordFactory.java b/src/java/org/apache/poi/hssf/record/RecordFactory.java
index 8f78212616..398576dc7c 100644
--- a/src/java/org/apache/poi/hssf/record/RecordFactory.java
+++ b/src/java/org/apache/poi/hssf/record/RecordFactory.java
@@ -74,7 +74,8 @@ public class RecordFactory
                 PaletteRecord.class, StringRecord.class, RecalcIdRecord.class, SharedFormulaRecord.class,
                 HorizontalPageBreakRecord.class, VerticalPageBreakRecord.class, 
                 WriteProtectRecord.class, FilePassRecord.class, PaneRecord.class,
-                NoteRecord.class, ObjectProtectRecord.class, ScenarioProtectRecord.class, FileSharingRecord.class
+                NoteRecord.class, ObjectProtectRecord.class, ScenarioProtectRecord.class, 
+                FileSharingRecord.class, ChartTitleFormatRecord.class
             };
     }
     private static Map           recordsMap  = recordsToMap(records);