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| package histime;
import java.util.Date;
import java.util.Iterator;
import javafx.animation.FadeTransition;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Node;
import javafx.scene.chart.Axis;
import javafx.scene.chart.CategoryAxis;
import javafx.scene.chart.XYChart;
import javafx.scene.layout.Region;
import javafx.scene.text.Text;
import javafx.util.Duration;
/**
*
* @author benoi_000
*/
public class HisTChart extends XYChart <Date, String> {
public HisTChart(Axis<Date> xAxis, Axis<String> yAxis) {
super(xAxis, yAxis);
}
@Override
protected void dataItemAdded(Series<Date, String> series, int itemIndex, Data<Date, String> item) {
Node timeRegion = createTimeRegion(getData().indexOf(series), item, itemIndex);
if (shouldAnimate()) {
timeRegion.setOpacity(0);
getPlotChildren().add(timeRegion);
// Effet de transition en fade in
FadeTransition ft = new FadeTransition(Duration.millis(500), timeRegion);
ft.setToValue(1);
ft.play();
} else {
getPlotChildren().add(timeRegion);
}
//always draw average line on top
//if (series.getNode() != null) series.getNode().toFront();
}
@Override
protected void dataItemRemoved(Data<Date, String> item, Series<Date, String> series) {
final Node timeRegion = item.getNode();
if (shouldAnimate()) {
// suppression en fade out
FadeTransition ft = new FadeTransition(Duration.millis(500), timeRegion);
ft.setToValue(0);
ft.setOnFinished(new EventHandler<ActionEvent>() {
@Override public void handle(ActionEvent actionEvent) {
getPlotChildren().remove(timeRegion);
}
});
ft.play();
} else {
// suppression barbare !
getPlotChildren().remove(timeRegion);
}
}
@Override
protected void dataItemChanged(Data<Date, String> data) {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
@Override
protected void seriesAdded(Series<Date, String> series, int seriesIndex) {
for (int j=0; j<series.getData().size(); j++) {
Data item = series.getData().get(j);
Node timeRegion = createTimeRegion(seriesIndex, item, j);
if (shouldAnimate()) {
timeRegion.setOpacity(0);
getPlotChildren().add(timeRegion);
//effet animé fade in du nouveau timeRegion
FadeTransition ft = new FadeTransition(Duration.millis(500),timeRegion);
ft.setToValue(1);
ft.play();
} else {
getPlotChildren().add(timeRegion);
}
}
}
@Override
protected void seriesRemoved(Series<Date, String> series) {
for (XYChart.Data<Date, String> d : series.getData()) {
final Node timeRegion = d.getNode();
if (shouldAnimate()) {
// fade out encore
FadeTransition ft = new FadeTransition(Duration.millis(500),timeRegion);
ft.setToValue(0);
ft.setOnFinished(new EventHandler<ActionEvent>() {
@Override public void handle(ActionEvent actionEvent) {
getPlotChildren().remove(timeRegion);
}
});
ft.play();
} else {
getPlotChildren().remove(timeRegion);
}
}
}
@Override
protected void layoutPlotChildren() {
// si pas de data, pas de layout
if(getData() == null) return;
// sinon, update des timeRegions
for (int seriesIndex=0; seriesIndex < getData().size(); seriesIndex++) {
Series<Date,String> series = getData().get(seriesIndex);
Iterator<Data<Date,String>> iter = getDisplayedDataIterator(series);
while(iter.hasNext()) {
// récupération de l'item
Data<Date, String> item = iter.next();
// récupération de ses valeurs x, y et extravalue
double x = getXAxis().getDisplayPosition(getCurrentDisplayedXValue(item));
System.out.println("display Position x = " + x);
double y = getYAxis().getDisplayPosition(getCurrentDisplayedYValue(item));
System.out.println("display position y = " + y);
TimeRegionExtraValues extra = (TimeRegionExtraValues)item.getExtraValue();
//récupération de son Node associé
Node itemNode = item.getNode();
//si l'item a déjà un Node de type TimeRegion, on met à jour ce TimeRegion
if (itemNode instanceof TimeRegion && extra != null) {
TimeRegion timeRegion = (TimeRegion) itemNode;
double dateEnd = getXAxis().getDisplayPosition(extra.getDateEnd());
System.out.println("display position dateEnd = " + dateEnd);
// détermination de la hauteur d'un timeRegion
CategoryAxis yAxis = (CategoryAxis)getYAxis();
double timeRegionHeight = yAxis.getCategorySpacing() * 0.90; // 90% de l'écart entre catégories
System.out.println("timeRegionHeight = " + timeRegionHeight);
// màj de la timeRegion
timeRegion.update((dateEnd-x), timeRegionHeight);
// positionnement de la timeRegion
timeRegion.setLayoutX(x);
timeRegion.setLayoutY(y-(timeRegionHeight/2));
}
}
}
}
/**
* Créer un nouveau Node TimeRegion pour un item
*
* @param seriesIndex index de la série dans laquelle se trouve l'item
* @param item item pour lequel créer la TimeRegion
* @param itemIndex index de l'item dans la série
* @return Nouveau Node pour représenter l'item
*/
private Node createTimeRegion(int seriesIndex, final Data item, int itemIndex) {
Node timeRegion = item.getNode();
// Vérifier si timeRegion n'est pas déjà créée
if (timeRegion instanceof TimeRegion) {
((TimeRegion) timeRegion).setSeriesAndDataStyleClasses("series" + seriesIndex, "data" + itemIndex);
} else {
timeRegion = new TimeRegion("series" + seriesIndex, "data" + itemIndex);
item.setNode(timeRegion);
}
return timeRegion;
}
private static class TimeRegion extends Group {
private String seriesStyleClass;
private String dataStyleClass;
private Region tRegion = new Region();
private Text tText = new Text();
public TimeRegion(String seriesStyleClass, String dataStyleClass) {
setAutoSizeChildren(false);
getChildren().addAll(tRegion, tText);
this.seriesStyleClass = seriesStyleClass;
this.dataStyleClass = dataStyleClass;
updateStyleClasses();
}
public void update(double tRegionWidth, double tRegionHeight) {
updateStyleClasses();
tRegion.resizeRelocate(tRegionWidth/2, tRegionHeight/2, tRegionWidth, tRegionHeight);
tText.setText("Test !!!");
}
public void setSeriesAndDataStyleClasses(String seriesStyleClass , String dataStyleClass) {
this.seriesStyleClass = seriesStyleClass;
this.dataStyleClass = dataStyleClass;
updateStyleClasses();
}
private void updateStyleClasses() {
getStyleClass().setAll("TimeRegion-timeRegion",seriesStyleClass,dataStyleClass);
tText.getStyleClass().setAll("TimeRegion-tText",seriesStyleClass,dataStyleClass);
tRegion.getStyleClass().setAll("IimeRegion-tRegion",seriesStyleClass,dataStyleClass);
}
}
public static class TimeRegionExtraValues {
private Date dateEnd;
private String title;
public TimeRegionExtraValues(Date dateEnd, String title) {
this.dateEnd = dateEnd;
this.title = title;
}
public Date getDateEnd() {
return dateEnd;
}
public String getTitle() {
return title;
}
}
} |
Custom XYChart : problème affichage d'un Node personnalisé
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