MappingsOpenDialogHelper.java

/*
 * Nocturne
 * Copyright (c) 2015-2016, Lapis <https://github.com/LapisBlue>
 *
 * The MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package blue.lapis.nocturne.gui.io.mappings;

import blue.lapis.nocturne.Main;
import blue.lapis.nocturne.gui.MainController;
import blue.lapis.nocturne.mapping.MappingContext;
import blue.lapis.nocturne.mapping.io.reader.MappingReaderType;
import blue.lapis.nocturne.mapping.io.reader.MappingsReader;
import blue.lapis.nocturne.util.helper.PropertiesHelper;

import javafx.stage.FileChooser;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Arrays;

/**
 * Static utility class for dialogs for opening mappings.
 */
public final class MappingsOpenDialogHelper {

    private MappingsOpenDialogHelper() {
    }

    public static void openMappings(boolean merge) throws IOException {
        FileChooser fileChooser = new FileChooser();
        fileChooser.setTitle(Main.getResourceBundle().getString("filechooser.open_mapping"));
        Arrays.asList(MappingReaderType.values()).forEach(t -> {
            fileChooser.getExtensionFilters().add(t.getExtensionFilter());
            if (Main.getPropertiesHelper().getProperty(PropertiesHelper.Key.LAST_MAPPING_LOAD_FORMAT)
                    .equals(t.name())) {
                fileChooser.setSelectedExtensionFilter(t.getExtensionFilter());
            }
        });

        String lastDir = Main.getPropertiesHelper().getProperty(PropertiesHelper.Key.LAST_MAPPINGS_DIRECTORY);
        if (!lastDir.isEmpty()) {
            File initialDir = new File(lastDir);
            if (initialDir.exists()) {
                fileChooser.setInitialDirectory(initialDir);
            }
        }

        File selectedFile = fileChooser.showOpenDialog(Main.getMainStage());
        if (selectedFile == null) {
            return;
        }
        Main.getPropertiesHelper().setProperty(PropertiesHelper.Key.LAST_MAPPINGS_DIRECTORY, selectedFile.getParent());

        Path selectedPath = selectedFile.toPath();

        MappingReaderType type = MappingReaderType.fromExtensionFilter(fileChooser.getSelectedExtensionFilter());
        Main.getPropertiesHelper()
                .setProperty(PropertiesHelper.Key.LAST_MAPPING_LOAD_FORMAT, type.getFormatType().name());
        try (MappingsReader reader = type.constructReader(new BufferedReader(new FileReader(selectedFile)))) {
            MappingContext context = reader.read();
            if (!merge) {
                Main.getMappingContext().clear();
            }
            Main.getMappingContext().assimilate(context);
            MainController.INSTANCE.updateClassViews();
            Main.getMappingContext().setDirty(false);
        }

        Main.setCurrentMappingsPath(selectedPath);
    }

}