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/*
* SPDX-License-Identifier: Apache-2.0
*
* Copyright 2016-2021 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
*
* https://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.medusa;
import java.util.UUID;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.DoublePropertyBase;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.ObjectPropertyBase;
import javafx.beans.property.ReadOnlyDoubleProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.beans.property.StringProperty;
import javafx.beans.property.StringPropertyBase;
import javafx.event.Event;
import javafx.event.EventHandler;
import javafx.event.EventTarget;
import javafx.event.EventType;
import javafx.scene.image.Image;
import javafx.scene.paint.Color;
/**
* Created by hansolo on 11.12.15.
*/
public class Section implements Comparable {
public final SectionEvent ENTERED_EVENT = new SectionEvent(this, null, SectionEvent.SECTION_ENTERED);
public final SectionEvent LEFT_EVENT = new SectionEvent(this, null, SectionEvent.SECTION_LEFT);
public final SectionEvent UPDATE_EVENT = new SectionEvent(this, null, SectionEvent.SECTION_UPDATE);
private double _start;
private DoubleProperty start;
private double _stop;
private DoubleProperty stop;
private DoubleProperty range;
private String _text;
private StringProperty text;
private Image _icon;
private ObjectProperty icon;
private Color _color;
private ObjectProperty color;
private Color _highlightColor;
private ObjectProperty highlightColor;
private Color _textColor;
private ObjectProperty textColor;
private double checkedValue;
private String styleClass;
// ******************** Constructors **************************************
/**
* Represents an area of a given range, defined by a start and stop value.
* This class is used for regions and areas in many gauges. It is possible
* to check a value against the defined range and fire events in case the
* value enters or leaves the defined region.
*/
public Section() {
this(-1, -1, "", null, Color.TRANSPARENT, Color.TRANSPARENT, Color.TRANSPARENT, "");
}
public Section(final double START, final double STOP) {
this(START, STOP, "", null, Color.TRANSPARENT, Color.TRANSPARENT, Color.TRANSPARENT, "");
}
public Section(final double START, final double STOP, final Color COLOR) {
this(START, STOP, "", null, COLOR, COLOR, Color.TRANSPARENT, "");
}
public Section(final double START, final double STOP, final Color COLOR, final Color HIGHLIGHT_COLOR) {
this(START, STOP, "", null, COLOR, HIGHLIGHT_COLOR, Color.TRANSPARENT, "");
}
public Section(final double START, final double STOP, final Image ICON, final Color COLOR) {
this(START, STOP, "", ICON, COLOR, COLOR, Color.WHITE, "");
}
public Section(final double START, final double STOP, final String TEXT, final Color COLOR) {
this(START, STOP, TEXT, null, COLOR, COLOR, Color.WHITE, "");
}
public Section(final double START, final double STOP, final String TEXT, final Color COLOR, final Color TEXT_COLOR) {
this(START, STOP, TEXT, null, COLOR, COLOR, TEXT_COLOR, "");
}
public Section(final double START, final double STOP, final String TEXT, final Image ICON, final Color COLOR, final Color TEXT_COLOR) {
this(START, STOP, TEXT, ICON, COLOR, COLOR, TEXT_COLOR, "");
}
public Section(final double START, final double STOP, final String TEXT, final Image ICON, final Color COLOR, final Color HIGHLIGHT_COLOR, final Color TEXT_COLOR) {
this(START, STOP, TEXT, ICON, COLOR, HIGHLIGHT_COLOR, TEXT_COLOR, "");
}
public Section(final double START, final double STOP, final String TEXT, final Image ICON, final Color COLOR, final Color HIGHLIGHT_COLOR, final Color TEXT_COLOR, final String STYLE_CLASS) {
_start = START;
_stop = STOP;
range = new DoublePropertyBase(Math.abs(_stop - _start)) {
@Override public Object getBean() { return Section.this; }
@Override public String getName() { return "range"; }
};
_text = TEXT;
_icon = ICON;
_color = COLOR;
_highlightColor = HIGHLIGHT_COLOR;
_textColor = TEXT_COLOR;
checkedValue = -Double.MAX_VALUE;
styleClass = STYLE_CLASS;
}
// ******************** Methods *******************************************
/**
* Returns the value where the section begins.
* @return the value where the section begins
*/
public double getStart() { return null == start ? _start : start.get(); }
/**
* Defines the value where the section begins.
* @param START
*/
public void setStart(final double START) {
if (null == start) {
_start = START;
range.set(Math.abs(getStop() - _start));
fireSectionEvent(UPDATE_EVENT);
} else {
start.set(START);
}
}
public DoubleProperty startProperty() {
if (null == start) {
start = new DoublePropertyBase(_start) {
@Override protected void invalidated() {
range.set(Math.abs(getStop() - get()));
fireSectionEvent(UPDATE_EVENT);
}
@Override public Object getBean() { return Section.this; }
@Override public String getName() { return "start"; }
};
}
return start;
}
/**
* Returns the value where the section ends.
* @return the value where the section ends
*/
public double getStop() { return null == stop ? _stop : stop.get(); }
/**
* Defines the value where the section ends.
* @param STOP
*/
public void setStop(final double STOP) {
if (null == stop) {
_stop = STOP;
range.set(Math.abs(_stop - getStart()));
fireSectionEvent(UPDATE_EVENT);
} else {
stop.set(STOP);
}
}
public DoubleProperty stopProperty() {
if (null == stop) {
stop = new DoublePropertyBase(_stop) {
@Override protected void invalidated() {
range.set(Math.abs(get() - getStart()));
fireSectionEvent(UPDATE_EVENT);
}
@Override public Object getBean() { return Section.this; }
@Override public String getName() { return "stop"; }
};
}
return stop;
}
/**
* Returns the absolute range between stop and start
* @return the absolute range between stop and start
*/
public double getRange() { return range.get(); }
public ReadOnlyDoubleProperty rangeProperty() { return range; }
/**
* Returns the text that was set for the section.
* @return the text that was set for the section
*/
public String getText() { return null == text ? _text : text.get(); }
/**
* Defines a text for the section.
* @param TEXT
*/
public void setText(final String TEXT) {
if (null == text) {
_text = TEXT;
fireSectionEvent(UPDATE_EVENT);
} else {
text.set(TEXT);
}
}
public StringProperty textProperty() {
if (null == text) {
text = new StringPropertyBase(_text) {
@Override protected void invalidated() { fireSectionEvent(UPDATE_EVENT); }
@Override public Object getBean() { return Section.this; }
@Override public String getName() { return "text"; }
};
}
return text;
}
/**
* Returns the image that was defined for the section.
* In some skins the image will be drawn (e.g. SimpleSkin).
* @return the image that was defined for the section
*/
public Image getImage() { return null == icon ? _icon : icon.get(); }
/**
* Defines an image for the section.
* In some skins the image will be drawn (e.g. SimpleSkin)
* @param IMAGE
*/
public void setIcon(final Image IMAGE) {
if (null == icon) {
_icon = IMAGE;
fireSectionEvent(UPDATE_EVENT);
} else {
icon.set(IMAGE);
}
}
public ObjectProperty iconProperty() {
if (null == icon) {
icon = new ObjectPropertyBase(_icon) {
@Override protected void invalidated() { fireSectionEvent(UPDATE_EVENT); }
@Override public Object getBean() { return Section.this; }
@Override public String getName() { return "icon"; }
};
}
return icon;
}
/**
* Returns the color that will be used to colorize the section in
* a gauge.
* @return the color that will be used to colorize the section
*/
public Color getColor() { return null == color ? _color : color.get(); }
/**
* Defines the color that will be used to colorize the section in
* a gauge.
* @param COLOR
*/
public void setColor(final Color COLOR) {
if (null == color) {
_color = COLOR;
fireSectionEvent(UPDATE_EVENT);
} else {
color.set(COLOR);
}
}
public ObjectProperty colorProperty() {
if (null == color) {
color = new ObjectPropertyBase(_color) {
@Override protected void invalidated() { fireSectionEvent(UPDATE_EVENT); }
@Override public Object getBean() { return Section.this; }
@Override public String getName() { return "color"; }
};
}
return color;
}
/**
* Returns the color that will be used to colorize the section in
* a gauge when it is highlighted.
* @return the color that will be used to colorize a highlighted section
*/
public Color getHighlightColor() { return null == highlightColor ? _highlightColor : highlightColor.get(); }
/**
* Defines the color that will be used to colorize a highlighted section
* @param COLOR
*/
public void setHighlightColor(final Color COLOR) {
if (null == highlightColor) {
_highlightColor = COLOR;
fireSectionEvent(UPDATE_EVENT);
} else {
highlightColor.set(COLOR);
}
}
public ObjectProperty highlightColorProperty() {
if (null == highlightColor) {
highlightColor = new ObjectPropertyBase(_highlightColor) {
@Override protected void invalidated() { fireSectionEvent(UPDATE_EVENT); }
@Override public Object getBean() { return Section.this; }
@Override public String getName() { return "highlightColor"; }
};
}
return highlightColor;
}
/**
* Returns the color that will be used to colorize the section text.
* @return the color that will be used to colorize the section text
*/
public Color getTextColor() { return null == textColor ? _textColor : textColor.get(); }
/**
* Defines the color that will be used to colorize the section text.
* @param COLOR
*/
public void setTextColor(final Color COLOR) {
if (null == textColor) {
_textColor = COLOR;
fireSectionEvent(UPDATE_EVENT);
} else {
textColor.set(COLOR);
}
}
public ObjectProperty textColorProperty() {
if (null == textColor) {
textColor = new ObjectPropertyBase(_textColor) {
@Override protected void invalidated() { fireSectionEvent(UPDATE_EVENT); }
@Override public Object getBean() { return Section.this; }
@Override public String getName() { return "textColor"; }
};
}
return textColor;
}
/**
* Returns the style class that can be used to colorize the section.
* This is not implemented in the current available skins.
* @return the style class that can be used to colorize the section
*/
public String getStyleClass() { return styleClass; }
/**
* Defines the style class that can be used to colorize the section.
* This is not implemented in the current available skins.
* @param STYLE_CLASS
*/
public void setStyleClass(final String STYLE_CLASS) { styleClass = STYLE_CLASS; }
/**
* Returns true if the given value is within the range between
* section.getStart() and section.getStop()
* @param VALUE
* @return true if the given value is within the range of the section
*/
public boolean contains(final double VALUE) {
return (Double.compare(VALUE, getStart()) >= 0 && Double.compare(VALUE, getStop()) <= 0);
}
/**
* Checks if the section contains the given value and fires an event
* in case the value "entered" or "left" the section. With this one
* can react if a value enters/leaves a specific region in a gauge.
* @param VALUE
*/
public void checkForValue(final double VALUE) {
boolean wasInSection = contains(checkedValue);
boolean isInSection = contains(VALUE);
if (!wasInSection && isInSection) {
fireSectionEvent(ENTERED_EVENT);
} else if (wasInSection && !isInSection) {
fireSectionEvent(LEFT_EVENT);
}
checkedValue = VALUE;
}
public boolean equals(final Section SECTION) {
return (Double.compare(SECTION.getStart(), getStart()) == 0 &&
Double.compare(SECTION.getStop(), getStop()) == 0 &&
SECTION.getText().equals(getText()));
}
@Override public int compareTo(final Section SECTION) {
if (Double.compare(getStart(), SECTION.getStart()) < 0) return -1;
if (Double.compare(getStart(), SECTION.getStart()) > 0) return 1;
return 0;
}
@Override public String toString() {
return new StringBuilder()
.append("{\n")
.append("\"text\":\"").append(getText()).append("\",\n")
.append("\"startValue\":").append(getStart()).append(",\n")
.append("\"stopValue\":").append(getStop()).append(",\n")
.append("\"color\":\"").append(getColor().toString().substring(0,8).replace("0x", "#")).append("\",\n")
.append("\"highlightColor\":\"").append(getHighlightColor().toString().substring(0,8).replace("0x", "#")).append("\",\n")
.append("\"textColor\":\"").append(getTextColor().toString().substring(0,8).replace("0x", "#")).append("\"\n")
.append("}")
.toString();
}
// ******************** Event handling ************************************
public final ObjectProperty> onSectionEnteredProperty() { return onSectionEntered; }
public final void setOnSectionEntered(EventHandler value) { onSectionEnteredProperty().set(value); }
public final EventHandler getOnSectionEntered() { return onSectionEnteredProperty().get(); }
private ObjectProperty> onSectionEntered = new SimpleObjectProperty<>(this, "onSectionEntered");
public final ObjectProperty> onSectionLeftProperty() { return onSectionLeft; }
public final void setOnSectionLeft(EventHandler value) { onSectionLeftProperty().set(value); }
public final EventHandler getOnSectionLeft() { return onSectionLeftProperty().get(); }
private ObjectProperty> onSectionLeft = new SimpleObjectProperty<>(this, "onSectionLeft");
public final ObjectProperty> onSectionUpdateProperty() { return onSectionUpdate; }
public final void setOnSectionUpdate(EventHandler value) { onSectionUpdateProperty().set(value); }
public final EventHandler getOnSectionUpdate() { return onSectionUpdateProperty().get(); }
private ObjectProperty> onSectionUpdate = new SimpleObjectProperty<>(this, "onSectionUpdate");
public void fireSectionEvent(final SectionEvent EVENT) {
final EventHandler HANDLER;
final EventType TYPE = EVENT.getEventType();
if (SectionEvent.SECTION_ENTERED == TYPE) {
HANDLER = getOnSectionEntered();
} else if (SectionEvent.SECTION_LEFT == TYPE) {
HANDLER = getOnSectionLeft();
} else if (SectionEvent.SECTION_UPDATE == TYPE) {
HANDLER = getOnSectionUpdate();
} else {
HANDLER = null;
}
if (null == HANDLER) return;
HANDLER.handle(EVENT);
}
// ******************** Inner Classes *************************************
public static class SectionEvent extends Event {
public static final EventType SECTION_ENTERED = new EventType(ANY, "SECTION_ENTERED" + UUID.randomUUID().toString());
public static final EventType SECTION_LEFT = new EventType(ANY, "SECTION_LEFT" + UUID.randomUUID().toString());
public static final EventType SECTION_UPDATE = new EventType(ANY, "SECTION_UPDATE" + UUID.randomUUID().toString());
// ******************** Constructors **************************************
public SectionEvent(final Object SOURCE, final EventTarget TARGET, EventType TYPE) {
super(SOURCE, TARGET, TYPE);
}
}
}
