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/*
* Copyright (c) 2010, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package javafx.scene.control.skin;
import com.sun.javafx.scene.control.behavior.BehaviorBase;
import com.sun.javafx.scene.control.behavior.ListCellBehavior;
import javafx.geometry.Orientation;
import javafx.scene.control.Control;
import javafx.scene.control.ListCell;
import javafx.scene.control.ListView;
import javafx.scene.layout.Region;
/**
* Default skin implementation for the {@link ListCell} control.
*
* @param the type of the item contained within the ListCell
* @see ListCell
* @since 9
*/
public class ListCellSkin extends CellSkinBase> {
/* *************************************************************************
* *
* Private fields *
* *
**************************************************************************/
private final BehaviorBase> behavior;
/* *************************************************************************
* *
* Constructors *
* *
**************************************************************************/
/**
* Creates a new ListCellSkin instance, installing the necessary child
* nodes into the Control {@link Control#getChildren() children} list, as
* well as the necessary input mappings for handling key, mouse, etc events.
*
* @param control The control that this skin should be installed onto.
*/
public ListCellSkin(ListCell control) {
super(control);
// install default input map for the ListCell control
behavior = new ListCellBehavior<>(control);
// control.setInputMap(behavior.getInputMap());
}
/* *************************************************************************
* *
* Public API *
* *
**************************************************************************/
/** {@inheritDoc} */
@Override public void dispose() {
super.dispose();
if (behavior != null) {
behavior.dispose();
}
}
/** {@inheritDoc} */
@Override protected double computePrefWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
double pref = super.computePrefWidth(height, topInset, rightInset, bottomInset, leftInset);
ListView listView = getSkinnable().getListView();
return listView == null ? 0 :
listView.getOrientation() == Orientation.VERTICAL ? pref : Math.max(pref, getCellSize());
}
/** {@inheritDoc} */
@Override protected double computePrefHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
double fixedCellSize = getFixedCellSize();
if (fixedCellSize > 0) {
return fixedCellSize;
}
// Added the comparison between the default cell size and the requested
// cell size to prevent the issue identified in RT-19873.
final double cellSize = getCellSize();
final double prefHeight = cellSize == DEFAULT_CELL_SIZE ? super.computePrefHeight(width, topInset, rightInset, bottomInset, leftInset) : cellSize;
return prefHeight;
}
/** {@inheritDoc} */
@Override protected double computeMinHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
double fixedCellSize = getFixedCellSize();
if (fixedCellSize > 0) {
return fixedCellSize;
}
return super.computeMinHeight(width, topInset, rightInset, bottomInset, leftInset);
}
/** {@inheritDoc} */
@Override protected double computeMaxHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
double fixedCellSize = getFixedCellSize();
if (fixedCellSize > 0) {
return fixedCellSize;
}
return super.computeMaxHeight(width, topInset, rightInset, bottomInset, leftInset);
}
private double getFixedCellSize() {
ListView listView = getSkinnable().getListView();
return listView != null ? listView.getFixedCellSize() : Region.USE_COMPUTED_SIZE;
}
}
