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Charts is a JavaFX 8 library containing different kind of charts
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/*
* Copyright (c) 2017 by Gerrit Grunwald
*
* Licensed 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 eu.hansolo.fx.charts.data;
import eu.hansolo.fx.charts.Symbol;
import eu.hansolo.fx.charts.event.ItemEvent;
import eu.hansolo.fx.charts.event.ItemEventListener;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.DoublePropertyBase;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.ObjectPropertyBase;
import javafx.beans.property.StringProperty;
import javafx.beans.property.StringPropertyBase;
import javafx.scene.paint.Color;
import javafx.scene.paint.Color;
import java.util.concurrent.CopyOnWriteArrayList;
/**
* Created by hansolo on 16.07.17.
*/
public class XYChartItem implements XYItem, Comparable {
private final ItemEvent ITEM_EVENT = new ItemEvent(XYChartItem.this);
private CopyOnWriteArrayList listeners;
private double _x;
private DoubleProperty x;
private double _y;
private DoubleProperty y;
private String _name;
private StringProperty name;
private Color _fill;
private ObjectProperty fill;
private Color _stroke;
private ObjectProperty stroke;
private Symbol _symbol;
private ObjectProperty symbol;
// ******************** Constructors **********************************
public XYChartItem() {
this(0, 0, "", Color.RED, Color.TRANSPARENT, Symbol.NONE);
}
public XYChartItem(final double X, final double Y) {
this(X, Y, "", Color.RED, Color.TRANSPARENT, Symbol.NONE);
}
public XYChartItem(final double X, final double Y, final Color FILL) {
this(X, Y, "", FILL, Color.TRANSPARENT, Symbol.NONE);
}
public XYChartItem(final double X, final double Y, final String NAME) {
this(X, Y, NAME, Color.RED, Color.TRANSPARENT, Symbol.NONE);
}
public XYChartItem(final double X, final double Y, final String NAME, final Color FILL) {
this(X, Y, NAME, FILL, Color.TRANSPARENT, Symbol.NONE);
}
public XYChartItem(final double X, final double Y, final String NAME, final Color FILL, final Color STROKE, final Symbol SYMBOL) {
_x = X;
_y = Y;
_name = NAME;
_fill = FILL;
_stroke = STROKE;
_symbol = SYMBOL;
listeners = new CopyOnWriteArrayList<>();
}
// ******************** Methods ***************************************
@Override public double getX() { return null == x ? _x : x.get(); }
@Override public void setX(final double X) {
if (null == x) {
_x = X;
fireItemEvent(ITEM_EVENT);
} else {
x.set(X);
}
}
@Override public DoubleProperty xProperty() {
if (null == x) {
x = new DoublePropertyBase(_x) {
@Override protected void invalidated() { fireItemEvent(ITEM_EVENT); }
@Override public Object getBean() { return XYChartItem.this; }
@Override public String getName() { return "x"; }
};
}
return x;
}
@Override public double getY() { return null == y ? _y : y.get(); }
@Override public void setY(final double Y) {
if (null == y) {
_y = Y;
fireItemEvent(ITEM_EVENT);
} else {
y.set(Y);
}
}
@Override public DoubleProperty yProperty() {
if (null == y) {
y = new DoublePropertyBase(_y) {
@Override protected void invalidated() { fireItemEvent(ITEM_EVENT); }
@Override public Object getBean() { return XYChartItem.this; }
@Override public String getName() { return "y"; }
};
}
return y;
}
@Override public String getName() { return null == name ? _name : name.get(); }
public void setName(final String NAME) {
if (null == name) {
_name = NAME;
fireItemEvent(ITEM_EVENT);
} else {
name.set(NAME);
}
}
public StringProperty nameProperty() {
if (null == name) {
name = new StringPropertyBase(_name) {
@Override protected void invalidated() { fireItemEvent(ITEM_EVENT); }
@Override public Object getBean() { return XYChartItem.this; }
@Override public String getName() { return "name"; }
};
_name = null;
}
return name;
}
@Override public Color getFill() { return null == fill ? _fill : fill.get(); }
public void setFill(final Color FILL) {
if (null == fill) {
_fill = FILL;
fireItemEvent(ITEM_EVENT);
} else {
fill.set(FILL);
}
}
public ObjectProperty fillProperty() {
if (null == fill) {
fill = new ObjectPropertyBase(_fill) {
@Override protected void invalidated() { fireItemEvent(ITEM_EVENT); }
@Override public Object getBean() { return XYChartItem.this; }
@Override public String getName() { return "fill"; }
};
_fill = null;
}
return fill;
}
@Override public Color getStroke() { return null == stroke ? _stroke : stroke.get(); }
public void setStroke(final Color STROKE) {
if (null == stroke) {
_stroke = STROKE;
fireItemEvent(ITEM_EVENT);
} else {
stroke.set(STROKE);
}
}
public ObjectProperty strokeProperty() {
if (null == stroke) {
stroke = new ObjectPropertyBase(_stroke) {
@Override protected void invalidated() { fireItemEvent(ITEM_EVENT); }
@Override public Object getBean() { return XYChartItem.this; }
@Override public String getName() { return "stroke"; }
};
_stroke = null;
}
return stroke;
}
@Override public Symbol getSymbol() { return null == symbol ? _symbol : symbol.get(); }
public void setSymbol(final Symbol SYMBOL) {
if (null == symbol) {
_symbol = SYMBOL;
fireItemEvent(ITEM_EVENT);
} else {
symbol.set(SYMBOL);
}
}
public ObjectProperty symbolProperty() {
if (null == symbol) {
symbol = new ObjectPropertyBase(_symbol) {
@Override protected void invalidated() { fireItemEvent(ITEM_EVENT); }
@Override public Object getBean() { return XYChartItem.this; }
@Override public String getName() { return "symbol"; }
};
_symbol = null;
}
return symbol;
}
// ******************** Event handling ************************************
public void setOnItemEvent(final ItemEventListener LISTENER) { addItemEventListener(LISTENER); }
public void addItemEventListener(final ItemEventListener LISTENER) { if (!listeners.contains(LISTENER)) listeners.add(LISTENER); }
public void removeItemEventListener(final ItemEventListener LISTENER) { if (listeners.contains(LISTENER)) listeners.remove(LISTENER); }
public void fireItemEvent(final ItemEvent EVENT) {
for (ItemEventListener listener : listeners) { listener.onItemEvent(EVENT); }
}
@Override public String toString() {
return new StringBuilder().append("{\n")
.append(" \"name\":\"").append(getName()).append("\",\n")
.append(" \"x\":").append(getX()).append(",\n")
.append(" \"y\":").append(getY()).append(",\n")
.append(" \"symbol\":\"").append(getSymbol().name()).append("\"\n")
.append("}")
.toString();
}
@Override public int compareTo(final XYChartItem ITEM) { return Double.compare(getX(), ITEM.getX()); }
}