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

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@594307 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2007-11-12 21:49:37 +00:00
parent 97b7d9d758
commit 2038b4ba5b
6 changed files with 237 additions and 1 deletions
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1
src/documentation/content/xdocs/changes.xml
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@ -36,6 +36,7 @@
<!-- Don't forget to update status.xml too! -->
<release version="3.0.2-FINAL" date="2007-??-??">
<action dev="POI-DEVELOPERS" type="add">43721 - [PATCH] Support for Chart Title Format records</action>
<action dev="POI-DEVELOPERS" type="fix">42794 - [PATCH] Fix for BOF records from things like Access</action>
<action dev="POI-DEVELOPERS" type="fix">43648 - Fix for IntPtg and short vs int</action>
<action dev="POI-DEVELOPERS" type="fix">43751 - [PATCH] - Fix for handling rotated text in HSSFSheet.autoSizeColumn</action>

1
src/documentation/content/xdocs/status.xml
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@ -33,6 +33,7 @@
<!-- Don't forget to update changes.xml too! -->
<changes>
<release version="3.0.2-FINAL" date="2007-??-??">
<action dev="POI-DEVELOPERS" type="add">43721 - [PATCH] Support for Chart Title Format records</action>
<action dev="POI-DEVELOPERS" type="fix">42794 - [PATCH] Fix for BOF records from things like Access</action>
<action dev="POI-DEVELOPERS" type="fix">43648 - Fix for IntPtg and short vs int</action>
<action dev="POI-DEVELOPERS" type="fix">43751 - [PATCH] - Fix for handling rotated text in HSSFSheet.autoSizeColumn</action>

146
src/java/org/apache/poi/hssf/record/ChartTitleFormatRecord.java Normal file
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@ -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();
}
}

3
src/java/org/apache/poi/hssf/record/RecordFactory.java
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@ -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);

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src/testcases/org/apache/poi/hssf/data/WithFormattedGraphTitle.xls Normal file
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src/testcases/org/apache/poi/hssf/record/TestChartTitleFormatRecord.java Normal file
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@ -0,0 +1,87 @@
/* ====================================================================
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.
==================================================================== */
package org.apache.poi.hssf.record;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.ArrayList;
import org.apache.poi.hssf.eventusermodel.HSSFEventFactory;
import org.apache.poi.hssf.eventusermodel.HSSFListener;
import org.apache.poi.hssf.eventusermodel.HSSFRequest;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import junit.framework.TestCase;
public class TestChartTitleFormatRecord extends TestCase
{
private String _test_file_path;
private static final String _test_file_path_property = "HSSF.testdata.path";
public TestChartTitleFormatRecord()
{
super();
_test_file_path = System.getProperty( _test_file_path_property ) +
File.separator + "WithFormattedGraphTitle.xls";
}
public void testRecord() throws Exception {
POIFSFileSystem fs = new POIFSFileSystem(
new FileInputStream(_test_file_path)
);
// Check we can open the file via usermodel
HSSFWorkbook hssf = new HSSFWorkbook(fs);
// Now process it through eventusermodel, and
// look out for the title records
ChartTitleFormatRecordGrabber grabber =
new ChartTitleFormatRecordGrabber();
InputStream din = fs.createDocumentInputStream("Workbook");
HSSFRequest req = new HSSFRequest();
req.addListenerForAllRecords(grabber);
HSSFEventFactory factory = new HSSFEventFactory();
factory.processEvents(req, din);
din.close();
// Should've found one
assertEquals(1, grabber.chartTitleFormatRecords.size());
// And it should be of something interesting
ChartTitleFormatRecord r =
(ChartTitleFormatRecord)grabber.chartTitleFormatRecords.get(0);
assertEquals(3, r.getFormatCount());
}
public static class ChartTitleFormatRecordGrabber implements HSSFListener {
private ArrayList chartTitleFormatRecords = new ArrayList();
public void processRecord(Record record) {
if(record instanceof ChartTitleFormatRecord) {
chartTitleFormatRecords.add(
record
);
}
}
}
}