package org.jtheque.utils.ui;

 import javax.swing.Action;

 import javax.swing.Box;

 import javax.swing.JButton;

 import javax.swing.JPanel;

 import java.awt.Color;

 import java.awt.Component;

 import java.awt.GridBagConstraints;

 import java.awt.GridBagLayout;

 /*

  * This file is part of JTheque.

  *

  * JTheque 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 3 of the License.

  *

  * JTheque 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 JTheque.  If not, see <http://www.gnu.org/licenses/>.

  */

 /**

  * A builder for a button bar.

  *

  * @author Baptiste Wicht

  */

 public final class ButtonBarBuilder {

     private final JPanel panel;

     private final GridBagUtils gbc;

     private int column;

     /**

      * Construct a new ButtonBarBuilder.

      */

     public ButtonBarBuilder() {

         super();

         panel = new JPanel(new GridBagLayout());

         panel.setBackground(Color.white);

         gbc = new GridBagUtils();

         gbc.setDefaultInsets(2, 2, 2, 2);

     }

     /**

      * Add an action to the bar.

      *

      * @param action The action to add.

      */

     private void addAction(Action action) {

         panel.add(new JButton(action), gbc.gbcSet(column, 0, GridBagConstraints.NONE, GridBagConstraints.BASELINE));

         column++;

     }

     /**

      * Add actions to the bar.

      *

      * @param actions The actions to add.

      */

     public void addActions(Action... actions) {

         for (Action action : actions) {

             addAction(action);

         }

     }

     /**

      * A a glue to the bar.

      */

     public void addGlue() {

         panel.add(Box.createHorizontalGlue(), gbc.gbcSet(column, 0, GridBagConstraints.HORIZONTAL, GridBagConstraints.BASELINE, 1.0, 1.0));

         column++;

     }

     /**

      * Return the panel.

      *

      * @return The panel.

      */

     public Component getPanel() {

         return panel;

     }

 }