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This is a backport of OpenJFX 8 to run on Java 7.
The newest version!
/*
* Copyright (c) 2012, 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 javafx.scene.control.cell;
import javafx.beans.value.ObservableValue;
import javafx.scene.control.ProgressBar;
import javafx.scene.control.TableCell;
import javafx.scene.control.TableColumn;
import javafx.util.Callback;
/**
* A class containing a {@link TableCell} implementation that draws a
* {@link ProgressBar} node inside the cell.
*
* @param The type of the elements contained within the TableView.
* @since JavaFX 2.2
*/
public class ProgressBarTableCell extends TableCell {
/***************************************************************************
* *
* Static cell factories *
* *
**************************************************************************/
/**
* Provides a {@link ProgressBar} that allows easy visualisation of a Number
* value as it proceeds from 0.0 to 1.0. If the value is -1, the progress
* bar will appear indeterminate.
*
* @return A {@link Callback} that can be inserted into the
* {@link TableColumn#cellFactoryProperty() cell factory property} of a
* TableColumn, that enables visualisation of a Number as it progresses
* from 0.0 to 1.0.
*/
public static Callback, TableCell> forTableColumn() {
return new Callback, TableCell>() {
@Override public TableCell call(TableColumn param) {
return new ProgressBarTableCell();
}
};
}
/***************************************************************************
* *
* Fields *
* *
**************************************************************************/
private final ProgressBar progressBar;
private ObservableValue observable;
/***************************************************************************
* *
* Constructors *
* *
**************************************************************************/
/**
* Creates a default {@link ProgressBarTableCell} instance
*/
public ProgressBarTableCell() {
this.getStyleClass().add("progress-bar-table-cell");
this.progressBar = new ProgressBar();
setGraphic(progressBar);
}
/***************************************************************************
* *
* Public API *
* *
**************************************************************************/
/** {@inheritDoc} */
@Override public void updateItem(Double item, boolean empty) {
super.updateItem(item, empty);
if (empty) {
setGraphic(null);
} else {
progressBar.progressProperty().unbind();
observable = getTableColumn().getCellObservableValue(getIndex());
if (observable != null) {
progressBar.progressProperty().bind(observable);
} else {
progressBar.setProgress(item);
}
setGraphic(progressBar);
}
}
}