package org.jtheque.core.managers.view.impl.components.panel;

 /*

  * 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/>.

  */

 import org.jtheque.core.managers.Managers;

 import org.jtheque.core.managers.language.ILanguageManager;

 import org.jtheque.core.managers.language.Internationalizable;

 import org.jtheque.core.managers.view.able.IViewManager;

 import org.jtheque.core.utils.ui.PanelBuilder;

 import org.jtheque.utils.io.SimpleFilter;

 import javax.swing.BorderFactory;

 import javax.swing.JButton;

 import javax.swing.JComponent;

 import javax.swing.JLabel;

 import javax.swing.JPanel;

 import javax.swing.JTextField;

 import java.awt.BorderLayout;

 import java.awt.Container;

 import java.awt.Dimension;

 import java.awt.GridBagConstraints;

 import java.awt.Insets;

 import java.awt.event.ActionEvent;

 import java.awt.event.ActionListener;

 /**

  * A panel with a label, a text field and a button to choose a file.

  *

  * @author Baptiste Wicht

  */

 public final class FileChooserPanel extends JPanel implements Internationalizable {

     private JTextField fieldFilePath;

     private JLabel label;

     private JButton button;

     private SimpleFilter filter;

     private boolean directoriesOnly;

     private String key;

     /**

      * Construct a new FileChooserPanel.

      */

     public FileChooserPanel() {

         super();

         build();

     }

     /**

      * Build the panel.

      */

     private void build() {

         PanelBuilder builder = new PanelBuilder(this);

         builder.setDefaultInsets(new Insets(0, 0, 0, 0));

         label = builder.add(new JLabel(),

                 builder.gbcSet(0, 0, GridBagConstraints.NONE, GridBagConstraints.ABOVE_BASELINE_LEADING, 1, 0));

         JComponent panel = new JPanel(new BorderLayout());

         panel.setBorder(BorderFactory.createEtchedBorder(1));

         fieldFilePath = new JTextField(15);

         Insets insets = fieldFilePath.getMargin();

         fieldFilePath.setBorder(BorderFactory.createEmptyBorder(insets.top, insets.left, insets.bottom, insets.right));

         panel.add(fieldFilePath, BorderLayout.CENTER);

         addBrowseButton(panel);

         builder.setDefaultInsets(new Insets(0, 5, 0, 5));

         builder.add(panel, builder.gbcSet(1, 0, GridBagConstraints.HORIZONTAL, GridBagConstraints.ABOVE_BASELINE_LEADING, 0, 0, 1.0, 1.0));

     }

     /**

      * Add the browse button.

      *

      * @param panel The parent panel.

      */

     private void addBrowseButton(Container panel) {

         button = new JButton("...");

         button.setMargin(new Insets(0, 0, 0, 0));

         button.setDefaultCapable(false);

         button.setFocusPainted(false);

         button.setFocusable(false);

         button.addActionListener(new BrowseAction());

         panel.add(button, BorderLayout.EAST);

     }

     /**

      * Set the text of the label.

      *

      * @param text The text of the label.

      */

     void setText(String text) {

         label.setText(text);

     }

     /**

      * Set the text key for the label.

      *

      * @param key The internationalization key.

      */

     public void setTextKey(String key) {

         this.key = key;

         setText(Managers.getManager(ILanguageManager.class).getMessage(key));

     }

     /**

      * Return the path to the file.

      *

      * @return The path to the file.

      */

     public String getFilePath() {

         return fieldFilePath.getText();

     }

     /**

      * Set the path to the file.

      *

      * @param path The path to the file.

      */

     public void setFilePath(String path) {

         fieldFilePath.setText(path);

     }

     /**

      * Set the file filter.

      *

      * @param filter The file filter.

      */

     public void setFileFilter(SimpleFilter filter) {

         this.filter = filter;

     }

     /**

      * Set if the chooser search only for directories or not.

      */

     public void setDirectoriesOnly() {

         directoriesOnly = true;

     }

     /**

      * Set that the chooser search only for files.

      */

     public void setFilesOnly() {

         directoriesOnly = false;

     }

     @Override

     public void setEnabled(boolean enable) {

         super.setEnabled(enable);

         fieldFilePath.setEnabled(enable);

         button.setEnabled(enable);

     }

     @Override

     public void refreshText() {

         if (key != null) {

             setText(Managers.getManager(ILanguageManager.class).getMessage(key));

         }

     }

     /**

      * A button to integrate in the component.

      *

      * @author Baptiste Wicht

      */

     private static final class BrowseButton extends JButton {

         /**

          * Construct a new BrowseButton with a specific text.

          */

         private BrowseButton() {

             super("...");

         }

         @Override

         public Dimension getPreferredSize() {

             Dimension size = super.getPreferredSize();

             size.height = 0;

             return size;

         }

     }

     /**

      * A Browse action.

      *

      * @author Baptiste Wicht

      */

     private final class BrowseAction implements ActionListener {

         @Override

         public void actionPerformed(ActionEvent e) {

             String file = directoriesOnly ? Managers.getManager(IViewManager.class).chooseDirectory() : Managers.getManager(IViewManager.class).chooseFile(filter);

             if (file != null) {

                 fieldFilePath.setText(file);

             }

         }

     }

 }