/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package groovy.swing.impl;

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;

import javax.swing.JPanel;

/** 
 * Represents a HTML style table layout
 *
 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
 */
public class TableLayout extends JPanel {

    private int rowCount;
    private int cellpadding;

    public TableLayout() {
        setLayout(new GridBagLayout());
    }
    
    public int getCellpadding() {
        return cellpadding;
    }

    public void setCellpadding(int cellpadding) {
        this.cellpadding = cellpadding;
    }

    /**
     * Adds a new cell to the current grid
     * @param cell the td component
     */
    public void addCell(TableLayoutCell cell) {
        GridBagConstraints constraints = cell.getConstraints();
        constraints.insets = new Insets(cellpadding, cellpadding, cellpadding, cellpadding);
        add(cell.getComponent(), constraints);
    }

    /**
     * Creates a new row index for child tr tags
     * @return nextRowIndex the row number
     */
    public int nextRowIndex() {
        return rowCount++;
    }

}