refactor listener and add new duplicates filter

src/main/java/de/marhali/easyi18n/model/bus/BusListener.java

@@ -2,8 +2,9 @@ package de.marhali.easyi18n.model.bus;
 
 /**
  * Interface for communication of changes for participants of the data bus.
- * Every listener needs to be registered manually via {@link de.marhali.easyi18n.DataBus}.
+ * Every listener needs to be registered via {@link de.marhali.easyi18n.DataBus}.
+ *
  * @author marhali
  */
-public interface BusListener extends UpdateDataListener, FocusKeyListener,
+public interface BusListener extends UpdateDataListener, FilterIncompleteListener,
-        SearchQueryListener, FilterMissingTranslationsListener {}
+        FilterDuplicateListener, SearchQueryListener, FocusKeyListener {}

src/main/java/de/marhali/easyi18n/model/bus/FilterDuplicateListener.java

@@ -0,0 +1,14 @@
+package de.marhali.easyi18n.model.bus;
+
+/**
+ * Single event listener
+ * @see #onFilterDuplicate(boolean)
+ * @author marhali
+ */
+public interface FilterDuplicateListener {
+    /**
+     * Toggles filter of duplicated translation values
+     * @param filter True if only translations with duplicates values should be shown
+     */
+    void onFilterDuplicate(boolean filter);
+}

src/main/java/de/marhali/easyi18n/model/bus/FilterIncompleteListener.java

@@ -4,10 +4,10 @@ package de.marhali.easyi18n.model.bus;
  * Single event listener.
  * @author marhali
  */
-public interface FilterMissingTranslationsListener {
+public interface FilterIncompleteListener {
     /**
      * Toggles filter of missing translations
-     * @param filter True if only translations with missing values should bw shown
+     * @param filter True if only translations with missing values should be shown
      */
-    void onFilterMissingTranslations(boolean filter);
+    void onFilterIncomplete(boolean filter);
 }

src/main/java/de/marhali/easyi18n/model/bus/SearchQueryListener.java

@@ -9,7 +9,7 @@ import org.jetbrains.annotations.Nullable;
 public interface SearchQueryListener {
     /**
      * Filter the displayed data according to the search query. Supply 'null' to return to the normal state.
-     * The keys and the content itself should be considered.
+     * The keys and the content itself should be considered (full-text-search).
      * @param query Filter key or content
      */
     void onSearchQuery(@Nullable String query);

src/main/java/de/marhali/easyi18n/model/bus/UpdateDataListener.java

@@ -9,7 +9,7 @@ import org.jetbrains.annotations.NotNull;
  */
 public interface UpdateDataListener {
     /**
-     * Update the translations based on the supplied data.
+     * Update the underlying translation data set.
      * @param data Updated translations
      */
     void onUpdateData(@NotNull TranslationData data);

src/main/java/de/marhali/easyi18n/tabs/mapper/TableModelMapper.java

@@ -2,7 +2,7 @@ package de.marhali.easyi18n.tabs.mapper;
 
 import de.marhali.easyi18n.model.TranslationData;
 import de.marhali.easyi18n.model.action.TranslationUpdate;
-import de.marhali.easyi18n.model.bus.FilterMissingTranslationsListener;
+import de.marhali.easyi18n.model.bus.FilterIncompleteListener;
 import de.marhali.easyi18n.model.bus.SearchQueryListener;
 import de.marhali.easyi18n.model.KeyPath;
 import de.marhali.easyi18n.model.Translation;
@@ -23,7 +23,7 @@ import java.util.function.Consumer;
  * Mapping {@link TranslationData} to {@link TableModel}.
  * @author marhali
  */
-public class TableModelMapper implements TableModel, SearchQueryListener, FilterMissingTranslationsListener {
+public class TableModelMapper implements TableModel, SearchQueryListener, FilterIncompleteListener {
 
     private final @NotNull TranslationData data;
     private final @NotNull KeyPathConverter converter;

src/main/java/de/marhali/easyi18n/tabs/mapper/TreeModelMapper.java

@@ -5,7 +5,7 @@ import com.intellij.ui.JBColor;
 
 import de.marhali.easyi18n.model.TranslationData;
 import de.marhali.easyi18n.model.TranslationNode;
-import de.marhali.easyi18n.model.bus.FilterMissingTranslationsListener;
+import de.marhali.easyi18n.model.bus.FilterIncompleteListener;
 import de.marhali.easyi18n.model.bus.SearchQueryListener;
 import de.marhali.easyi18n.model.KeyPath;
 import de.marhali.easyi18n.model.TranslationValue;
@@ -25,7 +25,7 @@ import java.util.Map;
  * Mapping {@link TranslationData} to {@link TreeModel}.
  * @author marhali
  */
-public class TreeModelMapper extends DefaultTreeModel implements SearchQueryListener, FilterMissingTranslationsListener {
+public class TreeModelMapper extends DefaultTreeModel implements SearchQueryListener, FilterIncompleteListener {
 
     private final TranslationData data;
     private final KeyPathConverter converter;