diff --git a/xchart/src/main/java/org/knowm/xchart/internal/chartpart/Axis.java b/xchart/src/main/java/org/knowm/xchart/internal/chartpart/Axis.java
index 9059f6116039669f2b464f7418a3cfd886a8c6b4..06a290d407192061a00c0e415acd24b43d65a0f2 100644
--- a/xchart/src/main/java/org/knowm/xchart/internal/chartpart/Axis.java
+++ b/xchart/src/main/java/org/knowm/xchart/internal/chartpart/Axis.java
@@ -22,6 +22,7 @@ import java.awt.font.FontRenderContext;
import java.awt.font.TextLayout;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
+import java.util.List;
import org.knowm.xchart.StyleManager.LegendPosition;
import org.knowm.xchart.internal.chartpart.ChartInternal.ChartInternalType;
@@ -349,13 +350,13 @@ public class Axis implements ChartPart {
if (getChartInternal().getChartInternalType() == ChartInternalType.Category) {
- // No need to pass in min and max
// pass in axis type instead of ChartInternal
- return new AxisTickCategoryChartCalculator(getDirection(), workingSpace, getChartInternal());
+ List<?> categories = (List<?>) getChartInternal().getSeriesMap().values().iterator().next().getXData();
+ AxisType axisType = getChartInternal().getAxisPair().getXAxis().getAxisType();
+ return new AxisTickCategoryChartCalculator(getDirection(), workingSpace, categories, axisType, getChartInternal().getStyleManager());
}
else if (getChartInternal().getChartInternalType() == ChartInternalType.XY && getAxisType() == AxisType.Date) {
- // TODO don't pass in style manager
return new AxisTickDateCalculator(getDirection(), workingSpace, getChartInternal().getxAxisMin(), getChartInternal().getxAxisMax(), getChartInternal().getStyleManager());
}
else if (getChartInternal().getStyleManager().isXAxisLogarithmic()) {
diff --git a/xchart/src/main/java/org/knowm/xchart/internal/chartpart/AxisTickCategoryChartCalculator.java b/xchart/src/main/java/org/knowm/xchart/internal/chartpart/AxisTickCategoryChartCalculator.java
index 6620c7290045cc4a7fd13a1f7a887b035d99e96c..ec2019af48a0f4855e2e885498498de36f1a86f6 100644
--- a/xchart/src/main/java/org/knowm/xchart/internal/chartpart/AxisTickCategoryChartCalculator.java
+++ b/xchart/src/main/java/org/knowm/xchart/internal/chartpart/AxisTickCategoryChartCalculator.java
@@ -21,7 +21,7 @@ import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
-import org.knowm.xchart.Series;
+import org.knowm.xchart.StyleManager;
import org.knowm.xchart.internal.Utils;
import org.knowm.xchart.internal.chartpart.Axis.AxisType;
import org.knowm.xchart.internal.chartpart.Axis.Direction;
@@ -42,14 +42,14 @@ public class AxisTickCategoryChartCalculator extends AxisTickCalculator {
* @param maxValue
* @param styleManager
*/
- public AxisTickCategoryChartCalculator(Direction axisDirection, double workingSpace, ChartInternal chart) {
+ public AxisTickCategoryChartCalculator(Direction axisDirection, double workingSpace, List<?> categories, AxisType axisType, StyleManager styleManager) {
- super(axisDirection, workingSpace, Double.NaN, Double.NaN, chart.getStyleManager());
+ super(axisDirection, workingSpace, Double.NaN, Double.NaN, styleManager);
- calculate(chart);
+ calculate(categories, axisType);
}
- private void calculate(ChartInternal chartInternal) {
+ private void calculate(List<?> categories, AxisType axisType) {
// tick space - a percentage of the working space available for ticks
int tickSpace = (int) (styleManager.getAxisTickSpacePercentage() * workingSpace); // in plot space
@@ -57,18 +57,6 @@ public class AxisTickCategoryChartCalculator extends AxisTickCalculator {
// where the tick should begin in the working space in pixels
double margin = Utils.getTickStartOffset(workingSpace, tickSpace);
- List<?> categories = (List<?>) chartInternal.getSeriesMap().values().iterator().next().getXData();
-
- // verify all series have exactly the same xAxis
- if (chartInternal.getSeriesMap().size() > 1) {
-
- for (Series series : chartInternal.getSeriesMap().values()) {
- if (!series.getXData().equals(categories)) {
- throw new IllegalArgumentException("X-Axis data must exactly match all other Series X-Axis data for Bar Charts!!");
- }
- }
- }
-
// generate all tickLabels and tickLocations from the first to last position
double gridStep = (tickSpace / (double) categories.size());
double firstPosition = gridStep / 2.0;
@@ -76,10 +64,10 @@ public class AxisTickCategoryChartCalculator extends AxisTickCalculator {
// set up String formatters that may be encountered
NumberFormatter numberFormatter = null;
SimpleDateFormat simpleDateformat = null;
- if (chartInternal.getAxisPair().getXAxis().getAxisType() == AxisType.Number) {
+ if (axisType == AxisType.Number) {
numberFormatter = new NumberFormatter(styleManager);
}
- else if (chartInternal.getAxisPair().getXAxis().getAxisType() == AxisType.Date) {
+ else if (axisType == AxisType.Date) {
if (styleManager.getDatePattern() == null) {
throw new RuntimeException("You need to set the Date Formatting Pattern!!!");
}
@@ -90,15 +78,15 @@ public class AxisTickCategoryChartCalculator extends AxisTickCalculator {
int counter = 0;
for (Object category : categories) {
- if (chartInternal.getAxisPair().getXAxis().getAxisType() == AxisType.String) {
+ if (axisType == AxisType.String) {
tickLabels.add(category.toString());
double tickLabelPosition = margin + firstPosition + gridStep * counter++;
tickLocations.add(tickLabelPosition);
}
- else if (chartInternal.getAxisPair().getXAxis().getAxisType() == AxisType.Number) {
+ else if (axisType == AxisType.Number) {
tickLabels.add(numberFormatter.formatNumber(new BigDecimal(category.toString()), minValue, maxValue, axisDirection));
}
- else if (chartInternal.getAxisPair().getXAxis().getAxisType() == AxisType.Date) {
+ else if (axisType == AxisType.Date) {
tickLabels.add(simpleDateformat.format((((Date) category).getTime())));
}
diff --git a/xchart/src/main/java/org/knowm/xchart/internal/chartpart/ChartInternal.java b/xchart/src/main/java/org/knowm/xchart/internal/chartpart/ChartInternal.java
index 6701d7ea8afb561f13dacea8a5b9f811bf0ce9a6..332d7ab8be22e4bce2d0d3a5f9eee5610c925d97 100644
--- a/xchart/src/main/java/org/knowm/xchart/internal/chartpart/ChartInternal.java
+++ b/xchart/src/main/java/org/knowm/xchart/internal/chartpart/ChartInternal.java
@@ -163,6 +163,13 @@ public class ChartInternal {
if (xData.size() != yData.size()) {
throw new IllegalArgumentException("X and Y-Axis sizes are not the same!!!");
}
+ // verify all series have exactly the same xAxis
+ if (seriesMap.size() > 0) { // there was already a series added
+ if (!seriesMap.entrySet().iterator().next().getValue().getXData().equals(xData)) {
+ throw new IllegalArgumentException("X-Axis data must exactly match all other Series X-Axis data for Category Charts!!");
+ }
+ }
+ // TODO make sure pie charts only have one series!
// inspect the series to see what kind of data it contains (Number, Date, String)
setXAxisType(xData);
@@ -304,6 +311,7 @@ public class ChartInternal {
if (getSeriesMap().isEmpty()) {
throw new RuntimeException("No series defined for Chart!!!");
}
+
xAxisMin = axisPair.getXAxis().getMin();
xAxisMax = axisPair.getXAxis().getMax();
yAxisMin = axisPair.getYAxis().getMin();