DMDirc-Plugins/ui_swing/src/main/java/com/dmdirc/addons/ui_swing/components/TableTableModel.java

/*
 * Copyright (c) 2006-2017 DMDirc Developers
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.dmdirc.addons.ui_swing.components;

import com.google.common.collect.HashBasedTable;
import com.google.common.collect.Lists;
import com.google.common.collect.Table;

import java.util.List;
import java.util.function.BiFunction;

import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableModel;

/**
 * A Swing {@link TableModel} that uses a Guava {@link Table} as a backing store.
 */
public class TableTableModel extends AbstractTableModel {

    private static final long serialVersionUID = 1L;
    private final List<String> headers;
    private final Table<Integer, Integer, String> table;
    private final BiFunction<Integer, Integer, Boolean> editableFunction;

    /**
     * Creates a new table model.
     *
     * @param headers          The headers to use for the table.
     * @param table            The table backing this table.
     * @param editableFunction The function to decide if a cell will be editable
     */
    public TableTableModel(final Iterable<String> headers,
            final Table<Integer, Integer, String> table,
            final BiFunction<Integer, Integer, Boolean> editableFunction) {
        this.headers = Lists.newArrayList(headers);
        this.table = HashBasedTable.create(table);
        this.editableFunction = editableFunction;
    }

    @Override
    public int getRowCount() {
        return table.rowKeySet().size();
    }

    @Override
    public int getColumnCount() {
        return table.columnKeySet().size();
    }

    @Override
    public Object getValueAt(final int rowIndex, final int columnIndex) {
        return table.get(rowIndex, columnIndex);
    }

    @Override
    public String getColumnName(final int columnIndex) {
        return headers.get(columnIndex);
    }

    @Override
    public Class<?> getColumnClass(final int columnIndex) {
        return String.class;
    }

    @Override
    public boolean isCellEditable(final int rowIndex, final int columnIndex) {
        return editableFunction.apply(rowIndex, columnIndex);
    }

    @Override
    public void setValueAt(final Object aValue, final int rowIndex, final int columnIndex) {
        table.put(rowIndex, columnIndex, (String) aValue);
        fireTableCellUpdated(rowIndex, columnIndex);
    }
}