TableHeaderCellRenderer.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2023 The Gridarta Developers.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 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 Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package net.sf.gridarta.gui.dialog.browsearchetypes;
 
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Container;
import java.util.ArrayList;
import java.util.List;
import javax.swing.ImageIcon;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.table.TableCellRenderer;
import org.jetbrains.annotations.NotNull;
 
public class TableHeaderCellRenderer implements TableCellRenderer {
 
    @NotNull
    private final ImageIcon closingIcon;
 
    @NotNull
    private final TableCellRenderer tableCellRenderer;
 
    @NotNull
    private final Container panel = new JPanel(new BorderLayout());
 
    @NotNull
    private final List<ClosingLabel> labels = new ArrayList<>();
 
    public TableHeaderCellRenderer(@NotNull final ImageIcon closingIcon, @NotNull final TableCellRenderer tableCellRenderer) {
        this.closingIcon = closingIcon;
        this.tableCellRenderer = tableCellRenderer;
    }
 
    @Override
    public Component getTableCellRendererComponent(@NotNull final JTable table, @NotNull final Object value, final boolean isSelected, final boolean hasFocus, final int row, final int column) {
        panel.removeAll();
        final Component x = tableCellRenderer.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
        panel.add(x, BorderLayout.CENTER);
        if (column >= 2) {
            ClosingLabel label;
            try {
                label = labels.get(column);
            } catch (final IndexOutOfBoundsException ignored) {
                while (labels.size() < column) {
                    labels.add(new ClosingLabel(closingIcon));
                }
                label = new ClosingLabel(closingIcon);
                assert labels.size() == column;
                labels.add(label);
            }
            panel.add(label, BorderLayout.EAST);
        }
        return panel;
    }
 
    public int getX(final int index) {
        final ClosingLabel label;
        try {
            label = labels.get(index);
        } catch (final ArrayIndexOutOfBoundsException ignored) {
            return -1;
        }
 
        return label.getPaintX();
    }
 
}