easy-18in/src/main/java/de/marhali/easyi18n/InstanceManager.java
2021-11-09 21:21:55 +01:00

77 lines
2.3 KiB
Java

package de.marhali.easyi18n;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.project.Project;
import de.marhali.easyi18n.model.TranslationUpdate;
import org.jetbrains.annotations.NotNull;
import java.util.Map;
import java.util.WeakHashMap;
/**
* Central singleton component for managing an easy-i18n instance for a specific project.
* @author marhali
*/
public class InstanceManager {
private static final Map<Project, InstanceManager> INSTANCES = new WeakHashMap<>();
private final DataStore store;
private final DataBus bus;
public static InstanceManager get(@NotNull Project project) {
InstanceManager instance = INSTANCES.get(project);
if(instance == null){
instance = new InstanceManager(project);
INSTANCES.put(project, instance);
}
return instance;
}
private InstanceManager(@NotNull Project project) {
this.store = new DataStore(project);
this.bus = new DataBus();
// Load data after first initialization
ApplicationManager.getApplication().invokeLater(() -> {
this.store.loadFromPersistenceLayer((success) -> {
this.bus.propagate().onUpdateData(this.store.getData());
});
});
}
public DataStore store() {
return this.store;
}
public DataBus bus() {
return this.bus;
}
public void processUpdate(TranslationUpdate update) {
if(update.isDeletion() || update.isKeyChange()) { // Remove origin translation
this.store.getData().setTranslation(update.getOrigin().getKey(), null);
}
if(!update.isDeletion()) { // Create or re-create translation with changed data
this.store.getData().setTranslation(update.getChange().getKey(), update.getChange().getTranslation());
}
this.store.saveToPersistenceLayer(success -> {
if(success) {
this.bus.propagate().onUpdateData(this.store.getData());
if(!update.isDeletion()) {
this.bus.propagate().onFocusKey(update.getChange().getKey());
} else {
this.bus.propagate().onFocusKey(update.getOrigin().getKey());
}
}
});
}
}