
com.calendarfx.view.print.ZoomPane Maven / Gradle / Ivy
/*
* Copyright (C) 2017 Dirk Lemmermann Software & Consulting (dlsc.com)
*
* 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 com.calendarfx.view.print;
import com.calendarfx.view.CalendarFXControl;
import impl.com.calendarfx.view.print.ZoomPaneSkin;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.scene.control.Skin;
import javafx.scene.layout.Region;
import java.util.Objects;
/**
* The zoom pane manages a zoom property, which is used to scale the pane's
* content.
*/
public class ZoomPane extends CalendarFXControl {
public static final double MIN_ZOOM_VALUE = 1.0;
public static final double MAX_ZOOM_VALUE = 5.0;
public static final String DEFAULT_STYLE = "zoom-pane";
/**
* Constructs a new zoom pane.
*/
public ZoomPane() {
super();
getStyleClass().add(DEFAULT_STYLE);
zoomProperty().addListener(obs -> {
if (getZoom() < MIN_ZOOM_VALUE || getZoom() > MAX_ZOOM_VALUE) {
throw new IndexOutOfBoundsException("The new value is out of bounds!");
}
});
setPrefSize(700, 700);
}
/**
* Constructs a new zoom pane.
*
* @param content the initial content
*/
public ZoomPane(Region content) {
this();
setContent(content);
}
@Override
protected Skin> createDefaultSkin() {
return new ZoomPaneSkin(this);
}
// content support
private final ObjectProperty content = new SimpleObjectProperty(this, "content") {
@Override
public void set(Region newValue) {
Objects.requireNonNull(newValue);
setZoom(MIN_ZOOM_VALUE);
super.set(newValue);
}
};
public final ObjectProperty contentProperty() {
return content;
}
public final Region getContent() {
return contentProperty().get();
}
public final void setContent(Region content) {
contentProperty().set(content);
}
// zoom support
private final DoubleProperty zoom = new SimpleDoubleProperty(this, "zoom", MIN_ZOOM_VALUE);
public final DoubleProperty zoomProperty() {
return zoom;
}
public final double getZoom() {
return zoomProperty().get();
}
public final void setZoom(double zoom) {
zoomProperty().set(zoom);
}
}
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