94 lines
2.8 KiB
Java
94 lines
2.8 KiB
Java
package app.settings;
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import java.io.File;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Scanner;
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import com.google.common.eventbus.EventBus;
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import com.google.common.eventbus.Subscribe;
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import app.events.LanguageChangedEvent;
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import app.events.ThemeChangedEvent;
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import app.model.Model;
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public class SettingsProvider implements SettingsProviderI {
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private static EventBus eventBus;
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private static final String SETTINGS_PATH =
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(System.getProperty("os.name").startsWith("Windows"))
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? System.getProperty("user.home") + "\\AppData\\Roaming\\/BNNsettings.dat"
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: System.getProperty("user.home") + System.getProperty("file.separator") + ".BNNsettings.dat";
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private static List<String> legalSettings =
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Arrays.asList("Java", "Markdown", "Monokai", "Solarized Light");
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public SettingsProvider(EventBus eB) {
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setEventBus(eB);
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Model.setSettingsProvider(this);
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}
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public void setEventBus(EventBus eB) {
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eventBus = eB;
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SettingsProvider.eventBus.register(this);
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}
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@Override
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public void loadSettings() {
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List<String> settings = new ArrayList<>();
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try (Scanner sc = new Scanner(new File(SETTINGS_PATH))) {
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while (sc.hasNextLine()) {
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var nextLine = sc.nextLine().trim();
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if (nextLine.isEmpty() || nextLine.startsWith("-")) {
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continue;
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} else {
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settings.add(nextLine.substring(nextLine.indexOf("=") + 2));
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}
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}
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if (legalSettings.containsAll(settings)) {
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eventBus.post(new LanguageChangedEvent(settings.get(0)));
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eventBus.post(new ThemeChangedEvent(settings.get(1)));
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} else {
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throw new IOException();
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}
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} catch (IOException e) {
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System.err.println("[WARNING] Couldn't find settings file. Using defaults");
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eventBus.post(new LanguageChangedEvent("Java"));
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eventBus.post(new ThemeChangedEvent("Monokai"));
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}
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}
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@Override
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public void saveSettings() {
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try (PrintWriter writer = new PrintWriter(new File(SETTINGS_PATH))) {
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writer.println("- Settings:");
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writer.println("Programming Language = " + Model.getLanguage().getName());
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writer.println("Theme = " + Model.getTheme());
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} catch (IOException e) {
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System.err.println("[ERROR] Couldn't write to settings file.");
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System.err.println(e);
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}
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}
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@Subscribe
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private void handle(ThemeChangedEvent event) {
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saveSettings();
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}
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@Subscribe
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private void handle(LanguageChangedEvent event) {
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saveSettings();
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}
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}
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