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#28 Implementing remember window size & position.
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78 changes: 78 additions & 0 deletions
78
src/main/java/io/github/albertus82/acodec/gui/config/ApplicationConfig.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package io.github.albertus82.acodec.gui.config; | ||
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| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.io.UncheckedIOException; | ||
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| import org.eclipse.jface.util.Util; | ||
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| import io.github.albertus82.acodec.common.util.BuildInfo; | ||
| import io.github.albertus82.acodec.gui.resources.GuiMessages; | ||
| import io.github.albertus82.jface.preference.IPreferencesConfiguration; | ||
| import io.github.albertus82.jface.preference.PreferencesConfiguration; | ||
| import io.github.albertus82.util.InitializationException; | ||
| import io.github.albertus82.util.SystemUtils; | ||
| import io.github.albertus82.util.config.Configuration; | ||
| import io.github.albertus82.util.config.PropertiesConfiguration; | ||
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| public class ApplicationConfig extends Configuration { | ||
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| private static final String DIRECTORY_NAME = Util.isLinux() ? '.' + BuildInfo.getProperty("project.artifactId") : BuildInfo.getProperty("project.name"); | ||
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| public static final String APPDATA_DIRECTORY = SystemUtils.getOsSpecificLocalAppDataDir() + File.separator + DIRECTORY_NAME; | ||
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| private static final String CFG_FILE_NAME = (Util.isLinux() ? BuildInfo.getProperty("project.artifactId") : BuildInfo.getProperty("project.name").replace(" ", "")) + ".cfg"; | ||
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| private static volatile ApplicationConfig instance; // NOSONAR Use a thread-safe type; adding "volatile" is not enough to make this field thread-safe. Use a thread-safe type; adding "volatile" is not enough to make this field thread-safe. | ||
| private static volatile IPreferencesConfiguration wrapper; // NOSONAR Use a thread-safe type; adding "volatile" is not enough to make this field thread-safe. Use a thread-safe type; adding "volatile" is not enough to make this field thread-safe. | ||
| private static int instanceCount = 0; | ||
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| private final LanguageConfigAccessor languageConfigAccessor; | ||
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| private ApplicationConfig() throws IOException { | ||
| super(new PropertiesConfiguration(DIRECTORY_NAME + File.separator + CFG_FILE_NAME, true)); | ||
| final IPreferencesConfiguration pc = new PreferencesConfiguration(this); | ||
| languageConfigAccessor = new LanguageConfigAccessor(pc); | ||
| } | ||
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| private static ApplicationConfig getInstance() { | ||
| if (instance == null) { | ||
| synchronized (ApplicationConfig.class) { | ||
| if (instance == null) { // The field needs to be volatile to prevent cache incoherence issues | ||
| try { | ||
| instance = new ApplicationConfig(); | ||
| if (++instanceCount > 1) { | ||
| throw new IllegalStateException("Detected multiple instances of singleton " + instance.getClass()); | ||
| } | ||
| } | ||
| catch (final IOException e) { | ||
| throw new UncheckedIOException(e); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return instance; | ||
| } | ||
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| public static IPreferencesConfiguration getPreferencesConfiguration() { | ||
| if (wrapper == null) { | ||
| synchronized (ApplicationConfig.class) { | ||
| if (wrapper == null) { // The field needs to be volatile to prevent cache incoherence issues | ||
| wrapper = new PreferencesConfiguration(getInstance()); | ||
| } | ||
| } | ||
| } | ||
| return wrapper; | ||
| } | ||
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| public static void initialize() { | ||
| try { | ||
| final ApplicationConfig config = getInstance(); | ||
| GuiMessages.INSTANCE.setLanguage(config.languageConfigAccessor.getLanguage()); | ||
| } | ||
| catch (final RuntimeException e) { | ||
| throw new InitializationException(e); | ||
| } | ||
| } | ||
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| } |
24 changes: 24 additions & 0 deletions
24
src/main/java/io/github/albertus82/acodec/gui/config/LanguageConfigAccessor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| package io.github.albertus82.acodec.gui.config; | ||
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| import java.util.Locale; | ||
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| import io.github.albertus82.acodec.common.resources.Language; | ||
| import io.github.albertus82.acodec.gui.preference.Preference; | ||
| import io.github.albertus82.jface.preference.IPreferencesConfiguration; | ||
| import lombok.AccessLevel; | ||
| import lombok.NonNull; | ||
| import lombok.RequiredArgsConstructor; | ||
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| @RequiredArgsConstructor(access = AccessLevel.PACKAGE) | ||
| public class LanguageConfigAccessor { | ||
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| public static final String DEFAULT_LANGUAGE = Locale.getDefault().getLanguage(); | ||
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| @NonNull | ||
| private final IPreferencesConfiguration configuration; | ||
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| public @NonNull Language getLanguage() { | ||
| return Language.fromString(configuration.getString(Preference.LANGUAGE, DEFAULT_LANGUAGE)).orElse(Language.ENGLISH); | ||
| } | ||
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| } |
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