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/*
* Copyright (c) 2011, 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package javafx.scene.control.skin;
import com.sun.javafx.scene.control.Properties;
import javafx.beans.InvalidationListener;
import javafx.beans.WeakInvalidationListener;
import javafx.beans.property.ReadOnlyObjectProperty;
import javafx.scene.control.Control;
import javafx.scene.control.IndexedCell;
import javafx.scene.control.TableColumnBase;
import javafx.scene.shape.Rectangle;
/**
* Base skin for table cell controls, for example:
* {@link javafx.scene.control.TableCell} and {@link javafx.scene.control.TreeTableCell}.
*
* @param the type of the UI control (e.g. the type of the 'row')
* @param the type of the content in the cell, based on its {@link TableColumnBase}
* @param the type of the Cell control
* @see javafx.scene.control.TableCell
* @see javafx.scene.control.TreeTableCell
* @since 9
*/
public abstract class TableCellSkinBase> extends CellSkinBase {
/* *************************************************************************
* *
* Private Fields *
* *
**************************************************************************/
boolean isDeferToParentForPrefWidth = false;
/* *************************************************************************
* *
* Constructors *
* *
**************************************************************************/
/**
* Creates a new TableCellSkinBase 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 TableCellSkinBase(final C control) {
super(control);
// RT-22038
Rectangle clip = new Rectangle();
clip.widthProperty().bind(control.widthProperty());
clip.heightProperty().bind(control.heightProperty());
getSkinnable().setClip(clip);
// --- end of RT-22038
TableColumnBase tableColumn = getTableColumn();
if (tableColumn != null) {
tableColumn.widthProperty().addListener(weakColumnWidthListener);
}
if (control.getProperties().containsKey(Properties.DEFER_TO_PARENT_PREF_WIDTH)) {
isDeferToParentForPrefWidth = true;
}
}
/* *************************************************************************
* *
* Listeners *
* *
**************************************************************************/
private InvalidationListener columnWidthListener = valueModel -> getSkinnable().requestLayout();
private WeakInvalidationListener weakColumnWidthListener =
new WeakInvalidationListener(columnWidthListener);
/* *************************************************************************
* *
* Abstract Methods *
* *
**************************************************************************/
/**
* The TableColumnBase instance that is responsible for this Cell.
* @return the TableColumnBase instance that is responsible for this Cell
*/
public abstract ReadOnlyObjectProperty> tableColumnProperty();
public final TableColumnBase getTableColumn() {
return tableColumnProperty().get();
}
/* *************************************************************************
* *
* Public Methods *
* *
**************************************************************************/
/** {@inheritDoc} */
@Override public void dispose() {
if (getSkinnable() == null) return;
TableColumnBase tableColumn = getTableColumn();
if (tableColumn != null) {
tableColumn.widthProperty().removeListener(weakColumnWidthListener);
}
super.dispose();
}
/** {@inheritDoc} */
@Override protected void layoutChildren(final double x, final double y,
final double w, final double h) {
// fit the cell within this space
// FIXME the subtraction of bottom padding isn't right here - but it
// results in better visuals, so I'm leaving it in place for now.
layoutLabelInArea(x, y, w, h - getSkinnable().getPadding().getBottom());
}
/** {@inheritDoc} */
@Override protected double computePrefWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset) {
if (isDeferToParentForPrefWidth) {
return super.computePrefWidth(height, topInset, rightInset, bottomInset, leftInset);
}
TableColumnBase tableColumn = getTableColumn();
return tableColumn == null ? 0 : snapSizeX(tableColumn.getWidth());
}
}
