DialogStateParser.java

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/*
 * This file is part of JXClient, the Fullscreen Java Crossfire Client.
 *
 * JXClient 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.
 *
 * JXClient 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 JXClient; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Copyright (C) 2005-2008 Yann Chachkoff
 * Copyright (C) 2006-2017,2019-2023 Andreas Kirschbaum
 * Copyright (C) 2010-2012,2014-2018,2020-2023 Nicolas Weeger
 */
 
package com.realtime.crossfire.jxclient.window;
 
import com.realtime.crossfire.jxclient.gui.gui.Gui;
import com.realtime.crossfire.jxclient.gui.misc.JXCWindowRenderer;
import com.realtime.crossfire.jxclient.settings.Filenames;
import com.realtime.crossfire.jxclient.skin.skin.JXCSkin;
import com.realtime.crossfire.jxclient.skin.skin.JXCSkinException;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.Writer;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.NoSuchFileException;
import java.nio.file.Path;
import java.util.LinkedList;
import java.util.List;
import java.util.regex.Pattern;
import org.jetbrains.annotations.NotNull;
 
public class DialogStateParser {
 
    @NotNull
    private static final Pattern PATTERN = Pattern.compile(" ");
 
    private DialogStateParser() {
    }
 
    public static void load(@NotNull final JXCSkin skin, @NotNull final JXCWindowRenderer windowRenderer) {
        final String skinName = skin.getSkinName();
        final Path dialogsFile;
        try {
            dialogsFile = Filenames.getDialogsFile(skinName);
        } catch (final IOException ex) {
            System.err.println(skin.getSkinName()+": "+ex.getMessage());
            return;
        }
 
        try {
            try (BufferedReader br = Files.newBufferedReader(dialogsFile, StandardCharsets.UTF_8)) {
                while (true) {
                    final String line = br.readLine();
                    if (line == null) {
                        break;
                    }
 
                    final String[] tmp = PATTERN.split(line, -1);
                    if (tmp.length != 6) {
                        throw new IOException("syntax error: "+line);
                    }
 
                    final boolean open = switch (tmp[0]) {
                        case "open" -> true;
                        case "close" -> false;
                        default -> throw new IOException("syntax error: "+line);
                    };
 
                    final Gui dialog;
                    try {
                        dialog = skin.getDialog(tmp[1]);
                    } catch (final JXCSkinException ex) {
                        throw new IOException("no such dialog: "+tmp[1], ex);
                    }
 
                    if (!dialog.isAutoSize() && dialog.isSaveDialog()) {
                        final int x;
                        final int y;
                        final int w;
                        final int h;
                        try {
                            x = Integer.parseInt(tmp[2]);
                            y = Integer.parseInt(tmp[3]);
                            w = Integer.parseInt(tmp[4]);
                            h = Integer.parseInt(tmp[5]);
                        } catch (final NumberFormatException ex) {
                            throw new IOException("syntax error: "+line, ex);
                        }
 
                        dialog.setBounds(x, y, w, h, windowRenderer.getWindowWidth(), windowRenderer.getWindowHeight());
                    }
 
                    if (open) {
                        windowRenderer.openDialog(dialog, false);
                    } else {
                        windowRenderer.closeDialog(dialog);
                    }
                }
            }
        } catch (final NoSuchFileException ignored) {
            // ignore
        } catch (final IOException ex) {
            System.err.println(dialogsFile+": "+ex.getMessage());
        }
    }
 
    public static void save(@NotNull final JXCSkin skin, @NotNull final JXCWindowRenderer windowRenderer) {
        final Path dialogsFile;
        try {
            dialogsFile = Filenames.getDialogsFile(skin.getSkinName());
        } catch (final IOException ex) {
            System.err.println(skin.getSkinName()+": "+ex.getMessage());
            return;
        }
 
        final Path dir = dialogsFile.getParent();
        if (dir != null) {
            try {
                Files.createDirectories(dir);
            } catch (final IOException ex) {
                System.err.println(skin.getSkinName()+": cannot create directory: "+ex);
            }
        }
 
        final List<Gui> openDialogs = new LinkedList<>();
        for (Gui dialog : windowRenderer.getOpenDialogs()) {
            openDialogs.add(0, dialog);
        }
 
        try {
            try (BufferedWriter bw = Files.newBufferedWriter(dialogsFile, StandardCharsets.UTF_8)) {
                for (Gui dialog : openDialogs) {
                    saveDialog(dialog, "open", bw);
                }
 
                for (Gui dialog : skin) {
                    if (!windowRenderer.isDialogOpen(dialog)) {
                        saveDialog(dialog, "close", bw);
                    }
                }
            }
        } catch (final IOException ex) {
            System.err.println(dialogsFile+": "+ex.getMessage());
        }
    }
 
    private static void saveDialog(@NotNull final Gui dialog, @NotNull final String type, @NotNull final Writer bw) throws IOException {
        if (dialog.isAutoSize()) {
            return;
        }
 
        if (!dialog.isSaveDialog()) {
            return;
        }
 
        final int w = dialog.getComponent().getWidth();
        if (w <= 0) {
            return;
        }
 
        final int h = dialog.getComponent().getHeight();
        if (h <= 0) {
            return;
        }
 
        bw.write(type);
        bw.write(" ");
        bw.write(dialog.getComponent().getName());
        bw.write(" ");
        bw.write(Integer.toString(dialog.getComponent().getX()));
        bw.write(" ");
        bw.write(Integer.toString(dialog.getComponent().getY()));
        bw.write(" ");
        bw.write(Integer.toString(dialog.getComponent().getWidth()));
        bw.write(" ");
        bw.write(Integer.toString(dialog.getComponent().getHeight()));
        bw.write("\n");
    }
 
}