org.smallmind.javafx.extras.layout.InsetsPane Maven / Gradle / Ivy
/*
* Copyright (c) 2007 through 2024 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* .
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.javafx.extras.layout;
import javafx.geometry.Insets;
import javafx.scene.Node;
import javafx.scene.layout.Region;
import org.smallmind.nutsnbolts.lang.UnknownSwitchCaseException;
import org.smallmind.nutsnbolts.layout.Bias;
public class InsetsPane extends Region {
private final Insets insets;
public InsetsPane (Insets insets) {
this.insets = insets;
}
public InsetsPane (Insets insets, Node node) {
this(insets);
getChildren().add(node);
}
@Override
protected double computeMinWidth (double v) {
return computeMeasurement(Cut.MINIMUM, Bias.HORIZONTAL);
}
@Override
protected double computeMinHeight (double v) {
return computeMeasurement(Cut.MINIMUM, Bias.VERTICAL);
}
@Override
protected double computePrefWidth (double v) {
return computeMeasurement(Cut.PREFERRED, Bias.HORIZONTAL);
}
@Override
protected double computePrefHeight (double v) {
return computeMeasurement(Cut.PREFERRED, Bias.VERTICAL);
}
@Override
protected double computeMaxWidth (double v) {
return computeMeasurement(Cut.MAXIMUM, Bias.HORIZONTAL);
}
@Override
protected double computeMaxHeight (double v) {
return computeMeasurement(Cut.MAXIMUM, Bias.VERTICAL);
}
private double computeMeasurement (Cut cut, Bias bias) {
double measurement = 0;
for (Node child : getManagedChildren()) {
double childMeasurement;
if ((childMeasurement = getChildMeasurement(child, cut, bias)) > measurement) {
measurement = childMeasurement;
}
}
return measurement + getGutter(bias);
}
private double getChildMeasurement (Node node, Cut cut, Bias bias) {
switch (cut) {
case MINIMUM:
switch (bias) {
case HORIZONTAL:
return node.minWidth(-1);
case VERTICAL:
return node.minHeight(-1);
default:
throw new UnknownSwitchCaseException(bias.name());
}
case PREFERRED:
switch (bias) {
case HORIZONTAL:
return node.prefWidth(-1);
case VERTICAL:
return node.prefHeight(-1);
default:
throw new UnknownSwitchCaseException(bias.name());
}
case MAXIMUM:
switch (bias) {
case HORIZONTAL:
return node.maxWidth(-1);
case VERTICAL:
return node.maxHeight(-1);
default:
throw new UnknownSwitchCaseException(bias.name());
}
default:
throw new UnknownSwitchCaseException(cut.name());
}
}
private double getGutter (Bias bias) {
switch (bias) {
case HORIZONTAL:
return insets.getLeft() + insets.getRight();
case VERTICAL:
return insets.getTop() + insets.getBottom();
default:
throw new UnknownSwitchCaseException(bias.name());
}
}
@Override
protected void layoutChildren () {
for (Node child : getManagedChildren()) {
child.resizeRelocate(insets.getLeft(), insets.getTop(), getWidth() - insets.getLeft() - insets.getRight(), getHeight() - insets.getTop() - insets.getBottom());
}
}
}