Apply patches from Peter Kutak from bugs 49334 and 49242 - HSSFChart improvements by tracking more records

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@948080 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2010-05-25 15:59:26 +00:00
parent 8c952b66ad
commit 87891450ba
4 changed files with 105 additions and 12 deletions

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@ -34,6 +34,8 @@
<changes>
<release version="3.7-SNAPSHOT" date="2010-??-??">
<action dev="POI-DEVELOPERS" type="add">49334 - Track the ValueRangeRecords of charts in HSSFChart, to allow the basic axis operations</action>
<action dev="POI-DEVELOPERS" type="add">49242 - Track the LinkDataRecords of charts in HSSFChart</action>
<action dev="POI-DEVELOPERS" type="add">Improved performance of XSSFWorkbook.write </action>
<action dev="POI-DEVELOPERS" type="fix">48846 - Avoid NPE when finding cell comments</action>
<action dev="POI-DEVELOPERS" type="fix">49325 - Ensure that CTPhoneticPr is included in poi-ooxml jar</action>

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@ -210,8 +210,9 @@ public final class RecordFactory {
TopMarginRecord.class,
UncalcedRecord.class,
UseSelFSRecord.class,
UserSViewBegin.class,
UserSViewEnd.class,
UserSViewBegin.class,
UserSViewEnd.class,
ValueRangeRecord.class,
VCenterRecord.class,
VerticalPageBreakRecord.class,
WindowOneRecord.class,

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@ -241,7 +241,6 @@ public final class UnknownRecord extends StandardRecord {
case 0x101B:
case 0x101D:
case 0x101E:
case 0x101F:
case 0x1020:
case 0x1021:
case 0x1022:

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@ -18,7 +18,6 @@
package org.apache.poi.hssf.usermodel;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.poi.hssf.record.chart.*;
@ -37,6 +36,7 @@ import org.apache.poi.hssf.record.UnknownRecord;
import org.apache.poi.hssf.record.VCenterRecord;
import org.apache.poi.hssf.record.formula.Area3DPtg;
import org.apache.poi.hssf.record.formula.Ptg;
import org.apache.poi.hssf.record.chart.LinkedDataRecord;
/**
* Has methods for construction of a chart object.
@ -49,8 +49,9 @@ public final class HSSFChart {
private LegendRecord legendRecord;
private ChartTitleFormatRecord chartTitleFormat;
private SeriesTextRecord chartTitleText;
private List series = new ArrayList();
private List<ValueRangeRecord> valueRanges = new ArrayList<ValueRangeRecord>();
private List<HSSFSeries> series = new ArrayList<HSSFSeries>();
private HSSFChart(ChartRecord chartRecord) {
this.chartRecord = chartRecord;
@ -137,13 +138,12 @@ public final class HSSFChart {
* these charts yet, as this is very limited support
*/
public static HSSFChart[] getSheetCharts(HSSFSheet sheet) {
List charts = new ArrayList();
List<HSSFChart> charts = new ArrayList<HSSFChart>();
HSSFChart lastChart = null;
HSSFSeries lastSeries = null;
// Find records of interest
List records = sheet.getSheet().getRecords();
for(Iterator it = records.iterator(); it.hasNext();) {
RecordBase r = (RecordBase)it.next();
List<RecordBase> records = sheet.getSheet().getRecords();
for(RecordBase r : records) {
if(r instanceof ChartRecord) {
lastChart = new HSSFChart((ChartRecord)r);
@ -155,6 +155,7 @@ public final class HSSFChart {
if(r instanceof SeriesRecord) {
HSSFSeries series = lastChart.new HSSFSeries( (SeriesRecord)r );
lastChart.series.add(series);
lastSeries = series;
}
if(r instanceof ChartTitleFormatRecord) {
lastChart.chartTitleFormat =
@ -173,6 +174,13 @@ public final class HSSFChart {
lastChart.chartTitleText = str;
}
}
if(r instanceof LinkedDataRecord) {
LinkedDataRecord data = (LinkedDataRecord)r;
lastSeries.insertData( data );
}
if(r instanceof ValueRangeRecord){
lastChart.valueRanges.add((ValueRangeRecord)r);
}
}
return (HSSFChart[])
@ -228,6 +236,35 @@ public final class HSSFChart {
throw new IllegalStateException("No chart title found to change");
}
}
/**
* Set value range (basic Axis Options)
* @param axisIndex 0 - primary axis, 1 - secondary axis
* @param minimum minimum value; Double.NaN - automatic; null - no change
* @param maximum maximum value; Double.NaN - automatic; null - no change
* @param majorUnit major unit value; Double.NaN - automatic; null - no change
* @param minorUnit minor unit value; Double.NaN - automatic; null - no change
*/
public void setValueRange( int axisIndex, Double minimum, Double maximum, Double majorUnit, Double minorUnit){
ValueRangeRecord valueRange = (ValueRangeRecord)valueRanges.get( axisIndex );
if( valueRange == null ) return;
if( minimum != null ){
valueRange.setAutomaticMinimum(minimum.isNaN());
valueRange.setMinimumAxisValue(minimum);
}
if( maximum != null ){
valueRange.setAutomaticMaximum(maximum.isNaN());
valueRange.setMaximumAxisValue(maximum);
}
if( majorUnit != null ){
valueRange.setAutomaticMajor(majorUnit.isNaN());
valueRange.setMajorIncrement(majorUnit);
}
if( minorUnit != null ){
valueRange.setAutomaticMinor(minorUnit.isNaN());
valueRange.setMinorIncrement(minorUnit);
}
}
private SeriesIndexRecord createSeriesIndexRecord( int index )
{
@ -348,7 +385,7 @@ public final class HSSFChart {
return new UnknownRecord((short)0x00EC, data);
}
private void createAxisRecords( List records )
private void createAxisRecords( List<Record> records )
{
records.add( createAxisParentRecord() );
records.add( createBeginRecord() );
@ -867,11 +904,30 @@ public final class HSSFChart {
public class HSSFSeries {
private SeriesRecord series;
private SeriesTextRecord seriesTitleText;
private LinkedDataRecord dataName;
private LinkedDataRecord dataValues;
private LinkedDataRecord dataCategoryLabels;
private LinkedDataRecord dataSecondaryCategoryLabels;
private int dataReaded = 0;
/* package */ HSSFSeries(SeriesRecord series) {
this.series = series;
}
public void insertData(LinkedDataRecord data){
switch(dataReaded){
case 0: dataName = data;
break;
case 1: dataValues = data;
break;
case 2: dataCategoryLabels = data;
break;
case 3: dataSecondaryCategoryLabels = data;
break;
}
dataReaded++;
}
public short getNumValues() {
return series.getNumValues();
}
@ -905,5 +961,40 @@ public final class HSSFChart {
throw new IllegalStateException("No series title found to change");
}
}
/**
* @return record with data names
*/
public LinkedDataRecord getDataName(){
return dataName;
}
/**
* @return record with data values
*/
public LinkedDataRecord getDataValues(){
return dataValues;
}
/**
* @return record with data category labels
*/
public LinkedDataRecord getDataCategoryLabels(){
return dataCategoryLabels;
}
/**
* @return record with data secondary category labels
*/
public LinkedDataRecord getDataSecondaryCategoryLabels() {
return dataSecondaryCategoryLabels;
}
/**
* @return record with series
*/
public SeriesRecord getSeries() {
return series;
}
}
}