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This is a backport of OpenJFX 8 to run on Java 7.
The newest version!
/*
* Copyright (c) 2010, 2013, 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.javafx.scene.control.skin;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javafx.scene.control.Cell;
import javafx.css.StyleableDoubleProperty;
import javafx.css.CssMetaData;
import javafx.css.StyleOrigin;
import com.sun.javafx.css.converters.SizeConverter;
import com.sun.javafx.scene.control.behavior.CellBehaviorBase;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.ReadOnlyDoubleProperty;
import javafx.css.Styleable;
import javafx.css.StyleableProperty;
import javafx.scene.Node;
import javafx.scene.control.SkinBase;
/**
* A base skin implementation, specifically for ListCellSkin and TreeCellSkin.
* This might not be a suitable base class for TreeCellSkin or some other
* such skins.
*/
public class CellSkinBase> extends LabeledSkinBase {
/**
* The default cell size. For vertical ListView or a TreeView or TableView
* this is the height, for a horizontal ListView this is the width. This
* is settable from CSS
*/
private DoubleProperty cellSize;
// boolean cellSizeSet = false;
public final double getCellSize() {
return cellSize == null ? DEFAULT_CELL_SIZE : cellSize.get();
}
public final ReadOnlyDoubleProperty cellSizeProperty() {
return (ReadOnlyDoubleProperty)cellSizePropertyImpl();
}
private DoubleProperty cellSizePropertyImpl() {
if (cellSize == null) {
cellSize = new StyleableDoubleProperty(DEFAULT_CELL_SIZE) {
@Override
public void applyStyle(StyleOrigin origin, Number value) {
double size = value == null ? DEFAULT_CELL_SIZE : value.doubleValue();
// guard against a 0 or negative size
super.applyStyle(origin, size <= 0 ? DEFAULT_CELL_SIZE : size);
}
@Override public void set(double value) {
// // Commented this out due to RT-19794, because otherwise
// // cellSizeSet would be false when the default caspian.css
// // cell size was set. This would lead to
// // ListCellSkin.computePrefHeight computing the pref height
// // of the cell (which is about 22px), rather than use the
// // value provided by caspian.css (which is 24px).
// // cellSizeSet = true;//value != DEFAULT_CELL_SIZE;
super.set(value);
getSkinnable().requestLayout();
}
@Override public Object getBean() {
return CellSkinBase.this;
}
@Override public String getName() {
return "cellSize";
}
@Override public CssMetaData, Number> getCssMetaData() {
return StyleableProperties.CELL_SIZE;
}
};
}
return cellSize;
}
public CellSkinBase(final C control, final B behavior) {
super (control, behavior);
/**
* The Cell does not typically want to block mouse events from going down
* to the virtualized controls holding the cell. For example mouse clicks
* on cells should also pass down to the ListView holding the cells.
*/
consumeMouseEvents(false);
}
/***************************************************************************
* *
* Stylesheet Handling *
* *
**************************************************************************/
static final double DEFAULT_CELL_SIZE = 24.0;
/**
* Super-lazy instantiation pattern from Bill Pugh.
* @treatAsPrivate implementation detail
*/
private static class StyleableProperties {
private final static CssMetaData,Number> CELL_SIZE =
new CssMetaData,Number>("-fx-cell-size",
SizeConverter.getInstance(), DEFAULT_CELL_SIZE) {
@Override
public boolean isSettable(Cell n) {
final CellSkinBase skin = (CellSkinBase) n.getSkin();
return skin.cellSize == null || !skin.cellSize.isBound();
}
@Override
public StyleableProperty getStyleableProperty(Cell n) {
final CellSkinBase skin = (CellSkinBase) n.getSkin();
return (StyleableProperty)skin.cellSizePropertyImpl();
}
};
private static final List> STYLEABLES;
static {
final List> styleables =
new ArrayList>(SkinBase.getClassCssMetaData());
styleables.add(CELL_SIZE);
STYLEABLES = Collections.unmodifiableList(styleables);
}
}
/**
* @return The CssMetaData associated with this class, which may include the
* CssMetaData of its super classes.
*/
public static List> getClassCssMetaData() {
return StyleableProperties.STYLEABLES;
}
/**
* {@inheritDoc}
*/
@Override
public List> getCssMetaData() {
return getClassCssMetaData();
}
}