/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2003 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.javadoc.ui;

import org.openide.util.HelpCtx;
import org.openide.windows.WindowManager;

import javax.swing.*;
import javax.swing.border.EmptyBorder;
import javax.swing.filechooser.FileFilter;
import java.io.File;
import java.awt.*;

/**
 * Utility methods to let user choose some content in UI.
 *
 * @author Petr Kuzel
 */
public final class Choosers {

    /**
     * Let user choose any directory on local host.
     *
     * @param defaultDir initial selection or null
     * @param helpID help content id or null
     * @return choosed file or null
     */
    public static File chooseDirectory(File defaultDir, String helpID) {

        JFileChooser chooser = new FSChooser();
        chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
        chooser.setDialogTitle(ResourceUtils.getBundledString("CTL_DestChooser_Title"));   //NOI18N

        if ( defaultDir != null) {
            chooser.setSelectedFile( defaultDir );
        }

        if (helpID != null) {
            HelpCtx.setHelpIDString (chooser, helpID);
        }

        if (chooser.showDialog(WindowManager.getDefault ().getMainWindow (),
                               ResourceUtils.getBundledString("CTL_Destination_Approve_Button"))   //NOI18N
                == JFileChooser.APPROVE_OPTION) {
            return chooser.getSelectedFile();
        }
        return null;
    }

    /**
     * Let user choose any archive on local host.
     *
     * @param defaultDir initial selection or null
     * @param helpID help content id or null
     * @return choosed file or null
     */
    public static File chooseJar(File defaultDir, String helpID) {
        JFileChooser chooser = new FSChooser();
        FileFilter filter = new FileFilter(){
            public boolean accept(File f) {
                return (f.isDirectory() || f.getName().endsWith(".jar") || f.getName().endsWith(".zip")); // NOI18N
            }
            public String getDescription() {
                return ResourceUtils.getBundledString("CTL_JarArchivesMask");
            }
        };

        chooser.setFileFilter(filter);

        if (defaultDir != null && defaultDir.isDirectory()) {
            chooser.setCurrentDirectory(defaultDir);
        }

        if (helpID != null) {
            HelpCtx.setHelpIDString (chooser, helpID);
        }

        chooser.setDialogTitle(ResourceUtils.getBundledString("CTL_MountJar_Dialog_Title"));
        if (chooser.showDialog(WindowManager.getDefault().getMainWindow(),
        ResourceUtils.getBundledString("CTL_Mount_Approve_Button"))
        == JFileChooser.APPROVE_OPTION) {
            return chooser.getSelectedFile();
        } else {
            return null;
        }
    }

    /**
     * It probably does some UI tweaks.
     */
    static final class FSChooser extends JFileChooser {
        /** generated Serialized Version UID */
        static final long serialVersionUID = 4351976125475278278L;

        public FSChooser() {
            setBorder(new EmptyBorder(11, 11, 11, 11));
        }

        public Dimension getPreferredSize() {
            Dimension pref = super.getPreferredSize();
            JTextArea template = new JTextArea();
            template.setRows(15);
            template.setColumns(60);
            Dimension min = template.getPreferredSize();
            return new Dimension(Math.max(min.width, pref.width), Math.max(min.height, pref.height));
        }
    }

}