E FormattedTableCellFactory Code

FormattedTableCellFactory.java

/*
 * Copyright (c) 2012, 2014 Oracle and/or its affiliates.
 * All rights reserved. Use is subject to license terms.
 *
 * This file is available and licensed under the following license:
 *
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 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  - Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
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 *    the documentation and/or other materials provided with the distribution.
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 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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package fxmltableview;

import java.text.Format;
import javafx.geometry.Pos;
import javafx.scene.Node;
import javafx.scene.control.TableCell;
import javafx.scene.control.TableColumn;
import javafx.scene.text.TextAlignment;
import javafx.util.Callback;

public class FormattedTableCellFactory<S, T> implements Callback<TableColumn<S, T>, TableCell<S, T>> {

    private TextAlignment alignment;
    private Format format;

    public TextAlignment getAlignment() {
        return alignment;
    }

    public void setAlignment(TextAlignment alignment) {
        this.alignment = alignment;
    }

    public Format getFormat() {
        return format;
    }

    public void setFormat(Format format) {
        this.format = format;
    }

    @Override
    @SuppressWarnings("unchecked")
    public TableCell<S, T> call(TableColumn<S, T> p) {
        TableCell<S, T> cell = new TableCell<S, T>() {
            @Override
            public void updateItem(Object item, boolean empty) {
                if (item == getItem()) {
                    return;
                }
                super.updateItem((T) item, empty);
                if (item == null) {
                    super.setText(null);
                    super.setGraphic(null);
                } else if (format != null) {
                    super.setText(format.format(item));
                } else if (item instanceof Node) {
                    super.setText(null);
                    super.setGraphic((Node) item);
                } else {
                    super.setText(item.toString());
                    super.setGraphic(null);
                }
            }
        };
        cell.setTextAlignment(alignment);
        switch (alignment) {
            case CENTER:
                cell.setAlignment(Pos.CENTER);
                break;
            case RIGHT:
                cell.setAlignment(Pos.CENTER_RIGHT);
                break;
            default:
                cell.setAlignment(Pos.CENTER_LEFT);
                break;
        }
        return cell;
    }
}