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/*
* ====================================================================
* 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.xddf.usermodel.chart;
import org.apache.poi.util.Beta;
import org.apache.poi.util.Internal;
import org.openxmlformats.schemas.drawingml.x2006.chart.CTNumData;
import org.openxmlformats.schemas.drawingml.x2006.chart.CTNumVal;
import org.openxmlformats.schemas.drawingml.x2006.chart.CTStrData;
import org.openxmlformats.schemas.drawingml.x2006.chart.CTStrVal;
@Beta
public interface XDDFDataSource<T> {
int getPointCount();
T getPointAt(int index);
/**
* @since POI 4.0.2
*/
boolean isLiteral();
/**
* @since POI 4.1.2
*/
boolean isCellRange();
boolean isReference();
boolean isNumeric();
int getColIndex();
String getDataRangeReference();
default String getFormula() {
return getDataRangeReference();
}
String getFormatCode();
/**
* @since POI 5.0.0
*/
@Internal
default void fillNumericalCache(CTNumData cache) {
String formatCode = getFormatCode();
if (formatCode == null) {
if (cache.isSetFormatCode()) {
cache.unsetFormatCode();
}
} else {
cache.setFormatCode(formatCode);
}
cache.setPtArray(null); // unset old values
final int numOfPoints = getPointCount();
int effectiveNumOfPoints = 0;
for (int i = 0; i < numOfPoints; ++i) {
Object value = getPointAt(i);
if (value != null) {
CTNumVal ctNumVal = cache.addNewPt();
ctNumVal.setIdx(i);
ctNumVal.setV(value.toString());
effectiveNumOfPoints++;
}
}
if (effectiveNumOfPoints == 0) {
if (cache.isSetPtCount()) {
cache.unsetPtCount();
}
} else {
if (cache.isSetPtCount()) {
cache.getPtCount().setVal(numOfPoints);
} else {
cache.addNewPtCount().setVal(numOfPoints);
}
}
}
/**
* @since POI 4.1.2
*/
@Internal
default void fillStringCache(CTStrData cache) {
cache.setPtArray(null); // unset old values
final int numOfPoints = getPointCount();
int effectiveNumOfPoints = 0;
for (int i = 0; i < numOfPoints; ++i) {
Object value = getPointAt(i);
if (value != null) {
CTStrVal ctStrVal = cache.addNewPt();
ctStrVal.setIdx(i);
ctStrVal.setV(value.toString());
effectiveNumOfPoints++;
}
}
if (effectiveNumOfPoints == 0) {
if (cache.isSetPtCount()) {
cache.unsetPtCount();
}
} else {
if (cache.isSetPtCount()) {
cache.getPtCount().setVal(numOfPoints);
} else {
cache.addNewPtCount().setVal(numOfPoints);
}
}
}
}
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