org.nuiton.jaxx.runtime.swing.renderer.EmptyNumberTableCellRenderer Maven / Gradle / Ivy
/*
* #%L
* JAXX :: Runtime
* %%
* Copyright (C) 2008 - 2017 CodeLutin
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
package org.nuiton.jaxx.runtime.swing.renderer;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellRenderer;
import java.awt.Component;
/**
* A {@link TableCellRenderer} which does not display numbers when they are
* equals to 0.
*
* @author Tony Chemit - [email protected]
* @since 1.5
*/
public class EmptyNumberTableCellRenderer implements TableCellRenderer {
protected final Integer ZERO = 0;
protected final Float ZEROF = 0F;
protected final Double ZEROD = 0D;
private final TableCellRenderer delegate;
public EmptyNumberTableCellRenderer() {
this(new DefaultTableCellRenderer());
}
public EmptyNumberTableCellRenderer(TableCellRenderer delegate) {
this.delegate = delegate;
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
if (value == null || ZERO.equals(value) || ZEROF.equals(value) || ZEROD.equals(value)) {
value = null;
}
return delegate.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
}
}