JFileField.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2015 The Gridarta Developers.
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package net.sf.gridarta.gui.utils;

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Insets;
import java.io.File;
import javax.swing.AbstractButton;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFileChooser;
import javax.swing.JTextField;
import javax.swing.event.DocumentListener;
import net.sf.gridarta.model.io.PathManagerUtils;
import net.sf.gridarta.utils.ActionBuilderUtils;
import net.sf.japi.swing.action.ActionBuilder;
import net.sf.japi.swing.action.ActionBuilderFactory;
import net.sf.japi.swing.action.ActionMethod;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public class JFileField extends JComponent {

    private static final long serialVersionUID = 1L;

    @NotNull
    private static final ActionBuilder ACTION_BUILDER = ActionBuilderFactory.getInstance().getActionBuilder("net.sf.gridarta");

    @NotNull
    private final Component parent;

    @Nullable
    private final File baseDir;

    @NotNull
    private final JTextField textField;

    @NotNull
    private final JFileChooser fileChooser = new JFileChooser();

    public JFileField(@NotNull final Component parent, @NotNull final String key, @Nullable final File baseDir, @NotNull final File file, final int fileSelectionMode) {
        this.parent = parent;
        this.baseDir = baseDir;
        textField = new JTextField(getRelativeFile(file), 20);

        fileChooser.setFileSelectionMode(fileSelectionMode);
        textField.setToolTipText(ActionBuilderUtils.getString(ACTION_BUILDER, key + ".shortdescription"));

        final AbstractButton fileChooserButton = new JButton(ACTION_BUILDER.createAction(false, "fileChooserButton", this));
        fileChooserButton.setMargin(new Insets(0, 0, 0, 0));

        setLayout(new BorderLayout());
        add(textField, BorderLayout.CENTER);
        add(fileChooserButton, BorderLayout.EAST);
    }

    @NotNull
    public File getFile() {
        final String text = textField.getText();
        if (text.isEmpty()) {
            return baseDir == null ? new File("/") : baseDir;
        } else {
            return new File(baseDir, text);
        }
    }

    public void setFile(@NotNull final File file) {
        textField.setText(getRelativeFile(file));
    }

    @NotNull
    private String getRelativeFile(@NotNull final File file) {
        return baseDir == null ? file.getPath() : PathManagerUtils.getMapPath(file, baseDir);
    }

    public void addDocumentListener(@NotNull final DocumentListener documentListener) {
        textField.getDocument().addDocumentListener(documentListener);
    }

    @ActionMethod
    public void fileChooserButton() {
        final File file = getFile();
        fileChooser.setSelectedFile(file);
        //if (file.isDirectory()) {
        //FileChooserUtils.setCurrentDirectory(fileChooser, file);
        //fileChooser.setSelectedFile(null);
        //} else {
        //FileChooserUtils.setCurrentDirectory(fileChooser, file.getParentFile());
        //fileChooser.setSelectedFile(file);
        //}
        if (fileChooser.showOpenDialog(parent) == JFileChooser.APPROVE_OPTION) {
            setFile(fileChooser.getSelectedFile());
        }
    }

}