Merge pull request #38 from marhali/rc/1.4.0

Rc/1.4.0

CHANGELOG.md

@@ -3,13 +3,26 @@
 # easy-i18n Changelog
 
 ## [Unreleased]
+### THANKS FOR OVER 1000 DOWNLOADS SO FAR!
+
+### Added
+- Basic support for json array values
+- Settings option to opt-out code assistance inside editor
+- Support key completion and annotation for Kotlin language
+- Example locale files for all configuration options
+- Donation links on GitHub to support development
+
+### Changed
+- Update dependencies
+- Migrate gradle build script
+
 ## [1.3.0]
 ### Added
 - Scroll to created / edited translation inside Tree-/Table-View
 - Support for working with multiple projects at once
 
 ### Changed
-- Updated dependencies
+- Update dependencies
 - Load translations even if ui tool window is not opened
 
 ### Fixed
@@ -28,7 +41,7 @@
 - Support for IntelliJ 2021.1
 
 ### Changed
-- Updated dependencies
+- Update dependencies
 
 ### Fixed
 - Exception during i18n key completion / annotation

README.md

@@ -3,6 +3,7 @@
 ![Build](https://github.com/marhali/easy-i18n/workflows/Build/badge.svg)
 [![Version](https://img.shields.io/jetbrains/plugin/v/16316.svg)](https://plugins.jetbrains.com/plugin/16316)
 [![Downloads](https://img.shields.io/jetbrains/plugin/d/16316.svg)](https://plugins.jetbrains.com/plugin/16316)
+[![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://paypal.me/marhalide)
 
 <!-- Plugin description -->
 This is an easy plugin to manage internationalization for JSON or Resource-Bundle(Properties) based locale files.
@@ -48,6 +49,11 @@ Most common use case is for translating Webapps or simple Java Applications. Tra
 - Select the created directory (optional: define the preferred locale to view) and press Ok
 - Translations can now be created / edited or deleted
 
+Examples for the configuration can be found in the [/example](https://github.com/marhali/easy-i18n/tree/main/example) folder.
+
+## Donation
+If the project helps you to reduce development time, you can give me a [cup of coffee](https://paypal.me/marhalide) :) 
+
 ---
 Plugin based on the [IntelliJ Platform Plugin Template][template].
 

build.gradle.kts

@@ -1,5 +1,4 @@
 import io.gitlab.arturbosch.detekt.Detekt
-import org.jetbrains.changelog.closure
 import org.jetbrains.changelog.markdownToHTML
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
@@ -11,7 +10,7 @@ plugins {
     // Kotlin support
     id("org.jetbrains.kotlin.jvm") version "1.5.10"
     // gradle-intellij-plugin - read more: https://github.com/JetBrains/gradle-intellij-plugin
-    id("org.jetbrains.intellij") version "0.7.3"
+    id("org.jetbrains.intellij") version "1.0"
     // gradle-changelog-plugin - read more: https://github.com/JetBrains/gradle-changelog-plugin
     id("org.jetbrains.changelog") version "1.1.2"
     // detekt linter - read more: https://detekt.github.io/detekt/gradle.html
@@ -26,7 +25,6 @@ version = properties("pluginVersion")
 // Configure project's dependencies
 repositories {
     mavenCentral()
-    jcenter()
 }
 dependencies {
     detektPlugins("io.gitlab.arturbosch.detekt:detekt-formatting:1.17.1")
@@ -35,14 +33,14 @@ dependencies {
 // Configure gradle-intellij-plugin plugin.
 // Read more: https://github.com/JetBrains/gradle-intellij-plugin
 intellij {
-    pluginName = properties("pluginName")
+    pluginName.set(properties("pluginName"))
-    version = properties("platformVersion")
+    version.set(properties("platformVersion"))
-    type = properties("platformType")
+    type.set(properties("platformType"))
-    downloadSources = properties("platformDownloadSources").toBoolean()
+    downloadSources.set(properties("platformDownloadSources").toBoolean())
-    updateSinceUntilBuild = true
+    updateSinceUntilBuild.set(true)
 
     // Plugin Dependencies. Uses `platformPlugins` property from the gradle.properties file.
-    setPlugins(*properties("platformPlugins").split(',').map(String::trim).filter(String::isNotEmpty).toTypedArray())
+    plugins.set(properties("platformPlugins").split(',').map(String::trim).filter(String::isNotEmpty))
 }
 
 // Configure gradle-changelog-plugin plugin.
@@ -80,14 +78,13 @@ tasks {
     }
 
     patchPluginXml {
-        version(properties("pluginVersion"))
+        version.set(properties("pluginVersion"))
-        sinceBuild(properties("pluginSinceBuild"))
+        sinceBuild.set(properties("pluginSinceBuild"))
-        untilBuild(properties("pluginUntilBuild"))
+        untilBuild.set(properties("pluginUntilBuild"))
 
         // Extract the <!-- Plugin description --> section from README.md and provide for the plugin's manifest
-        pluginDescription(
+        pluginDescription.set(
-            closure {
+            File(projectDir, "README.md").readText().lines().run {
-                File("./README.md").readText().lines().run {
                 val start = "<!-- Plugin description -->"
                 val end = "<!-- Plugin description end -->"
 
@@ -96,27 +93,22 @@ tasks {
                 }
                 subList(indexOf(start) + 1, indexOf(end))
             }.joinToString("\n").run { markdownToHTML(this) }
-            }
         )
 
         // Get the latest available change notes from the changelog file
-        changeNotes(
+        changeNotes.set(provider { changelog.getLatest().toHTML() })
-            closure {
-                changelog.getLatest().toHTML()
-            }
-        )
     }
 
     runPluginVerifier {
-        ideVersions(properties("pluginVerifierIdeVersions"))
+        ideVersions.set(properties("pluginVerifierIdeVersions").split(',').map(String::trim).filter(String::isNotEmpty))
     }
 
     publishPlugin {
         dependsOn("patchChangelog")
-        token(System.getenv("PUBLISH_TOKEN"))
+        token.set(System.getenv("PUBLISH_TOKEN"))
         // pluginVersion is based on the SemVer (https://semver.org) and supports pre-release labels, like 2.1.7-alpha.3
         // Specify pre-release label to publish the plugin in a custom Release Channel automatically. Read more:
         // https://plugins.jetbrains.com/docs/intellij/deployment.html#specifying-a-release-channel
-        channels(properties("pluginVersion").split('-').getOrElse(1) { "default" }.split('.').first())
+        channels.set(listOf(properties("pluginVersion").split('-').getOrElse(1) { "default" }.split('.').first()))
     }
 }

example/json/locale-de.json

@@ -0,0 +1,26 @@
+{
+  "alpha": {
+    "first": "Beispiel Übersetzung",
+    "second": "Andere Übersetzung"
+  },
+  "beta": {
+    "title": "Ein Titel",
+    "nested": {
+      "title": "Ein verschachtelter Titel"
+    }
+  },
+  "gamma": {
+    "title": "Gamma Titel",
+    "array": {
+      "simple": [
+        "Erstes Element",
+        "Zweites Element"
+      ],
+      "escaped": [
+        "Erstes;Element",
+        "Zweites Element",
+        "Drittes;Element"
+      ]
+    }
+  }
+}

example/json/locale-en.json

@@ -0,0 +1,26 @@
+{
+  "alpha": {
+    "first": "example translation",
+    "second": "another translation"
+  },
+  "beta": {
+    "title": "some title",
+    "nested": {
+      "title": "some nested title"
+    }
+  },
+  "gamma": {
+    "title": "gamma title",
+    "array": {
+      "simple": [
+        "first element",
+        "second element"
+      ],
+      "escaped": [
+        "first;element",
+        "second element",
+        "third;element"
+      ]
+    }
+  }
+}

example/modularized-json/locale-de/account.json

@@ -0,0 +1,5 @@
+{
+  "subscription": "Abonnement",
+  "support": "Unterstützung",
+  "delete": "Löschen"
+}

example/modularized-json/locale-de/auth.json

@@ -0,0 +1,10 @@
+{
+  "title": [
+    "Ein",
+    "array",
+    "Titel"
+  ],
+  "login": "Einloggen",
+  "logout": "Ausloggen",
+  "register": "Registrieren"
+}

example/modularized-json/locale-de/user.json

@@ -0,0 +1,10 @@
+{
+  "username": "Benutzername",
+  "email": "Email-Adresse",
+  "address": {
+    "zip": "Postleitzahl",
+    "city": "Ort",
+    "street": "Straße",
+    "number": "Hausnummer"
+  }
+}

example/modularized-json/locale-en/account.json

@@ -0,0 +1,5 @@
+{
+  "subscription": "Subscription",
+  "support": "Support",
+  "delete": "Delete"
+}

example/modularized-json/locale-en/auth.json

@@ -0,0 +1,10 @@
+{
+  "title": [
+    "Some",
+    "array",
+    "title"
+  ],
+  "login": "Login",
+  "logout": "Logout",
+  "register": "Register"
+}

example/modularized-json/locale-en/user.json

@@ -0,0 +1,10 @@
+{
+  "username": "Username",
+  "email": "Email Address",
+  "address": {
+    "zip": "ZIP code",
+    "city": "City",
+    "street": "Street",
+    "number": "House number"
+  }
+}

example/resource-bundle/locale_de.properties

@@ -0,0 +1,6 @@
+account.subscription=Abonnement
+auth.login=Einloggen
+auth.logout=Ausloggen
+auth.register=Registrieren
+user.email=Email-Adresse
+user.username=Benutzername

example/resource-bundle/locale_en.properties

@@ -0,0 +1,6 @@
+account.subscription=Subscription
+auth.login=Login
+auth.logout=Logout
+auth.register=Register
+user.email=Email Address
+user.username=Username

gradle.properties

@@ -3,19 +3,19 @@
 
 pluginGroup = de.marhali.easyi18n
 pluginName = easy-i18n
-pluginVersion = 1.3.0
+pluginVersion = 1.4.0
 pluginSinceBuild = 202
 pluginUntilBuild = 211.*
 # Plugin Verifier integration -> https://github.com/JetBrains/gradle-intellij-plugin#plugin-verifier-dsl
 # See https://jb.gg/intellij-platform-builds-list for available build versions
-pluginVerifierIdeVersions = 2020.2.4, 2020.3.2, 2021.1
+pluginVerifierIdeVersions = 2020.2.4, 2020.3.4, 2021.1.1
 
 platformType = IC
-platformVersion = 2021.1
+platformVersion = 2021.1.3
 platformDownloadSources = true
 # Plugin Dependencies -> https://plugins.jetbrains.com/docs/intellij/plugin-dependencies.html
 # Example: platformPlugins = com.intellij.java, com.jetbrains.php:203.4449.22
-platformPlugins =
+platformPlugins = org.jetbrains.kotlin
 
 # Opt-out flag for bundling Kotlin standard library.
 # See https://kotlinlang.org/docs/reference/using-gradle.html#dependency-on-the-standard-library for details.

src/main/java/de/marhali/easyi18n/TranslatorToolWindowFactory.java

@@ -9,9 +9,9 @@ import com.intellij.ui.content.ContentFactory;
 
 import de.marhali.easyi18n.service.DataStore;
 import de.marhali.easyi18n.service.WindowManager;
-import de.marhali.easyi18n.ui.action.*;
+import de.marhali.easyi18n.action.*;
-import de.marhali.easyi18n.ui.tabs.TableView;
+import de.marhali.easyi18n.tabs.TableView;
-import de.marhali.easyi18n.ui.tabs.TreeView;
+import de.marhali.easyi18n.tabs.TreeView;
 
 import org.jetbrains.annotations.NotNull;
 

src/main/java/de/marhali/easyi18n/action/AddAction.java

@@ -1,11 +1,11 @@
-package de.marhali.easyi18n.ui.action;
+package de.marhali.easyi18n.action;
 
 import com.intellij.icons.AllIcons;
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 
 import de.marhali.easyi18n.service.WindowManager;
-import de.marhali.easyi18n.ui.dialog.AddDialog;
+import de.marhali.easyi18n.dialog.AddDialog;
 import de.marhali.easyi18n.util.TreeUtil;
 
 import org.jetbrains.annotations.NotNull;

src/main/java/de/marhali/easyi18n/action/ReloadAction.java

@@ -1,4 +1,4 @@
-package de.marhali.easyi18n.ui.action;
+package de.marhali.easyi18n.action;
 
 import com.intellij.icons.AllIcons;
 import com.intellij.openapi.actionSystem.AnAction;

src/main/java/de/marhali/easyi18n/action/SearchAction.java

@@ -1,4 +1,4 @@
-package de.marhali.easyi18n.ui.action;
+package de.marhali.easyi18n.action;
 
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;

src/main/java/de/marhali/easyi18n/action/SettingsAction.java

@@ -1,9 +1,9 @@
-package de.marhali.easyi18n.ui.action;
+package de.marhali.easyi18n.action;
 
 import com.intellij.icons.AllIcons;
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
-import de.marhali.easyi18n.ui.dialog.SettingsDialog;
+import de.marhali.easyi18n.dialog.SettingsDialog;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.ResourceBundle;

src/main/java/de/marhali/easyi18n/action/treeview/CollapseTreeViewAction.java

@@ -1,4 +1,4 @@
-package de.marhali.easyi18n.ui.action.treeview;
+package de.marhali.easyi18n.action.treeview;
 
 import com.intellij.icons.AllIcons;
 import com.intellij.openapi.actionSystem.AnAction;

src/main/java/de/marhali/easyi18n/action/treeview/ExpandTreeViewAction.java

@@ -1,4 +1,4 @@
-package de.marhali.easyi18n.ui.action.treeview;
+package de.marhali.easyi18n.action.treeview;
 
 import com.intellij.icons.AllIcons;
 import com.intellij.openapi.actionSystem.AnAction;

src/main/java/de/marhali/easyi18n/dialog/AddDialog.java

@@ -1,4 +1,4 @@
-package de.marhali.easyi18n.ui.dialog;
+package de.marhali.easyi18n.dialog;
 
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.ui.DialogBuilder;

src/main/java/de/marhali/easyi18n/dialog/EditDialog.java

@@ -1,4 +1,4 @@
-package de.marhali.easyi18n.ui.dialog;
+package de.marhali.easyi18n.dialog;
 
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.ui.DialogBuilder;
@@ -10,7 +10,7 @@ import de.marhali.easyi18n.service.DataStore;
 import de.marhali.easyi18n.model.KeyedTranslation;
 import de.marhali.easyi18n.model.TranslationDelete;
 import de.marhali.easyi18n.model.TranslationUpdate;
-import de.marhali.easyi18n.ui.dialog.descriptor.DeleteActionDescriptor;
+import de.marhali.easyi18n.dialog.descriptor.DeleteActionDescriptor;
 
 import javax.swing.*;
 import javax.swing.border.EtchedBorder;

src/main/java/de/marhali/easyi18n/dialog/SettingsDialog.java

@@ -1,10 +1,11 @@
-package de.marhali.easyi18n.ui.dialog;
+package de.marhali.easyi18n.dialog;
 
 import com.intellij.openapi.fileChooser.FileChooserDescriptor;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.ui.DialogBuilder;
 import com.intellij.openapi.ui.DialogWrapper;
 import com.intellij.openapi.ui.TextFieldWithBrowseButton;
+import com.intellij.ui.components.JBCheckBox;
 import com.intellij.ui.components.JBLabel;
 import com.intellij.ui.components.JBTextField;
 
@@ -26,6 +27,7 @@ public class SettingsDialog {
     private TextFieldWithBrowseButton pathText;
     private JBTextField filePatternText;
     private JBTextField previewText;
+    private JBCheckBox codeAssistanceCheckbox;
 
     public SettingsDialog(Project project) {
         this.project = project;
@@ -35,18 +37,20 @@ public class SettingsDialog {
         String localesPath = SettingsService.getInstance(project).getState().getLocalesPath();
         String filePattern = SettingsService.getInstance(project).getState().getFilePattern();
         String previewLocale = SettingsService.getInstance(project).getState().getPreviewLocale();
+        boolean codeAssistance = SettingsService.getInstance(project).getState().isCodeAssistance();
 
-        if(prepare(localesPath, filePattern, previewLocale).show() == DialogWrapper.OK_EXIT_CODE) { // Save changes
+        if(prepare(localesPath, filePattern, previewLocale, codeAssistance).show() == DialogWrapper.OK_EXIT_CODE) { // Save changes
             SettingsService.getInstance(project).getState().setLocalesPath(pathText.getText());
             SettingsService.getInstance(project).getState().setFilePattern(filePatternText.getText());
             SettingsService.getInstance(project).getState().setPreviewLocale(previewText.getText());
+            SettingsService.getInstance(project).getState().setCodeAssistance(codeAssistanceCheckbox.isSelected());
 
             // Reload instance
             DataStore.getInstance(project).reloadFromDisk();
         }
     }
 
-    private DialogBuilder prepare(String localesPath, String filePattern, String previewLocale) {
+    private DialogBuilder prepare(String localesPath, String filePattern, String previewLocale, boolean codeAssistance) {
         JPanel rootPanel = new JPanel(new GridLayout(0, 1, 2, 2));
 
         JBLabel pathLabel = new JBLabel(ResourceBundle.getBundle("messages").getString("settings.path.text"));
@@ -73,6 +77,11 @@ public class SettingsDialog {
         rootPanel.add(previewLabel);
         rootPanel.add(previewText);
 
+        codeAssistanceCheckbox = new JBCheckBox(ResourceBundle.getBundle("messages").getString("settings.editor.assistance"));
+        codeAssistanceCheckbox.setSelected(codeAssistance);
+
+        rootPanel.add(codeAssistanceCheckbox);
+
         DialogBuilder builder = new DialogBuilder();
         builder.setTitle(ResourceBundle.getBundle("messages").getString("action.settings"));
         builder.removeAllActions();

src/main/java/de/marhali/easyi18n/dialog/descriptor/DeleteActionDescriptor.java

@@ -1,4 +1,4 @@
-package de.marhali.easyi18n.ui.dialog.descriptor;
+package de.marhali.easyi18n.dialog.descriptor;
 
 import com.intellij.openapi.ui.DialogBuilder;
 import com.intellij.openapi.ui.DialogWrapper;

src/main/java/de/marhali/easyi18n/editor/KeyAnnotator.java

@@ -1,11 +1,8 @@
-package de.marhali.easyi18n.ui.editor;
+package de.marhali.easyi18n.editor;
 
 import com.intellij.lang.annotation.AnnotationHolder;
-import com.intellij.lang.annotation.Annotator;
 import com.intellij.lang.annotation.HighlightSeverity;
 import com.intellij.openapi.project.Project;
-import com.intellij.psi.PsiElement;
-import com.intellij.psi.PsiLiteralValue;
 
 import de.marhali.easyi18n.model.LocalizedNode;
 import de.marhali.easyi18n.service.DataStore;
@@ -14,28 +11,25 @@ import de.marhali.easyi18n.service.SettingsService;
 import org.jetbrains.annotations.NotNull;
 
 /**
- * Translation key annotator.
+ * Superclass for managing key annotations.
  * @author marhali
  */
-public class I18nKeyAnnotator implements Annotator {
+public class KeyAnnotator {
 
-    @Override
+    /**
-    public void annotate(@NotNull PsiElement element, @NotNull AnnotationHolder holder) {
+     * Adds annotations for i18n keys with content preview for preferred locale.
-        if(!(element instanceof PsiLiteralValue)) {
+     * @param key I18n key extracted by psi element
+     * @param project Project instance
+     * @param holder Annotation holder
+     */
+    protected void annotate(@NotNull String key, @NotNull Project project, @NotNull AnnotationHolder holder) {
+        // Do not annotate keys if service is disabled
+        if(!SettingsService.getInstance(project).getState().isCodeAssistance()) {
             return;
         }
 
-        PsiLiteralValue literalValue = (PsiLiteralValue) element;
-        String value = literalValue.getValue() instanceof String ? (String) literalValue.getValue() : null;
-
-        if(value == null) {
-            return;
-        }
-
-        Project project = element.getProject();
         String previewLocale = SettingsService.getInstance(project).getState().getPreviewLocale();
-
+        LocalizedNode node = DataStore.getInstance(project).getTranslations().getNode(key);
-        LocalizedNode node = DataStore.getInstance(project).getTranslations().getNode(value);
 
         if(node == null) { // Unknown translation. Just ignore it
             return;

src/main/java/de/marhali/easyi18n/editor/KeyCompletionProvider.java

@@ -1,4 +1,4 @@
-package de.marhali.easyi18n.ui.editor;
+package de.marhali.easyi18n.editor;
 
 import com.intellij.codeInsight.completion.CompletionParameters;
 import com.intellij.codeInsight.completion.CompletionProvider;
@@ -20,11 +20,19 @@ import java.util.List;
  * I18n translation key completion provider.
  * @author marhali
  */
-public class I18nCompletionProvider extends CompletionProvider<CompletionParameters> {
+public class KeyCompletionProvider extends CompletionProvider<CompletionParameters> {
 
     @Override
-    protected void addCompletions(@NotNull CompletionParameters parameters, @NotNull ProcessingContext context, @NotNull CompletionResultSet result) {
+    protected void addCompletions(@NotNull CompletionParameters parameters,
+                                  @NotNull ProcessingContext context, @NotNull CompletionResultSet result) {
+
         Project project = parameters.getOriginalFile().getProject();
+
+        // Do not annotate keys if service is disabled
+        if(!SettingsService.getInstance(project).getState().isCodeAssistance()) {
+            return;
+        }
+
         String previewLocale = SettingsService.getInstance(project).getState().getPreviewLocale();
 
         String query = result.getPrefixMatcher().getPrefix();

src/main/java/de/marhali/easyi18n/editor/generic/GenericKeyAnnotator.java

@@ -0,0 +1,33 @@
+package de.marhali.easyi18n.editor.generic;
+
+import com.intellij.lang.annotation.AnnotationHolder;
+import com.intellij.lang.annotation.Annotator;
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiLiteralValue;
+
+import de.marhali.easyi18n.editor.KeyAnnotator;
+
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Translation key annotator for generic languages which support {@link PsiLiteralValue}.
+ * @author marhali
+ */
+public class GenericKeyAnnotator extends KeyAnnotator implements Annotator {
+
+    @Override
+    public void annotate(@NotNull PsiElement element, @NotNull AnnotationHolder holder) {
+        if(!(element instanceof PsiLiteralValue)) {
+            return;
+        }
+
+        PsiLiteralValue literalValue = (PsiLiteralValue) element;
+        String value = literalValue.getValue() instanceof String ? (String) literalValue.getValue() : null;
+
+        if(value == null) {
+            return;
+        }
+
+        annotate(value, element.getProject(), holder);
+    }
+}

src/main/java/de/marhali/easyi18n/editor/generic/GenericKeyCompletionContributor.java

@@ -0,0 +1,19 @@
+package de.marhali.easyi18n.editor.generic;
+
+import com.intellij.codeInsight.completion.CompletionContributor;
+import com.intellij.codeInsight.completion.CompletionType;
+import com.intellij.patterns.*;
+import com.intellij.psi.PsiLiteralValue;
+import de.marhali.easyi18n.editor.KeyCompletionProvider;
+
+/**
+ * Translation key completion for generic languages which support {@link PsiLiteralValue}.
+ * @author marhali
+ */
+public class GenericKeyCompletionContributor extends CompletionContributor {
+
+    public GenericKeyCompletionContributor() {
+        extend(CompletionType.BASIC, PlatformPatterns.psiElement().inside(PsiLiteralValue.class),
+                new KeyCompletionProvider());
+    }
+}

src/main/java/de/marhali/easyi18n/editor/kotlin/KotlinKeyAnnotator.java

@@ -0,0 +1,31 @@
+package de.marhali.easyi18n.editor.kotlin;
+
+import com.intellij.lang.annotation.AnnotationHolder;
+import com.intellij.lang.annotation.Annotator;
+import com.intellij.psi.PsiElement;
+
+import de.marhali.easyi18n.editor.KeyAnnotator;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.kotlin.psi.KtLiteralStringTemplateEntry;
+
+/**
+ * Kotlin specific translation key annotator
+ * @author marhali
+ */
+public class KotlinKeyAnnotator extends KeyAnnotator implements Annotator {
+
+    @Override
+    public void annotate(@NotNull PsiElement element, @NotNull AnnotationHolder holder) {
+        if(!(element instanceof KtLiteralStringTemplateEntry)) {
+            return;
+        }
+
+        String value = element.getText();
+
+        if(value == null) {
+            return;
+        }
+
+        annotate(value, element.getProject(), holder);
+    }
+}

src/main/java/de/marhali/easyi18n/editor/kotlin/KotlinKeyCompletionContributor.java

@@ -0,0 +1,20 @@
+package de.marhali.easyi18n.editor.kotlin;
+
+import com.intellij.codeInsight.completion.CompletionContributor;
+import com.intellij.codeInsight.completion.CompletionType;
+import com.intellij.patterns.PlatformPatterns;
+
+import de.marhali.easyi18n.editor.KeyCompletionProvider;
+import org.jetbrains.kotlin.psi.KtLiteralStringTemplateEntry;
+
+/**
+ * Kotlin specific translation key completion contributor.
+ * @author marhali
+ */
+public class KotlinKeyCompletionContributor  extends CompletionContributor {
+
+    public KotlinKeyCompletionContributor() {
+        extend(CompletionType.BASIC, PlatformPatterns.psiElement().inside(KtLiteralStringTemplateEntry.class),
+                new KeyCompletionProvider());
+    }
+}

src/main/java/de/marhali/easyi18n/listener/DeleteKeyListener.java

@@ -1,4 +1,4 @@
-package de.marhali.easyi18n.ui.listener;
+package de.marhali.easyi18n.listener;
 
 import java.awt.event.KeyEvent;
 import java.awt.event.KeyListener;

src/main/java/de/marhali/easyi18n/listener/PopupClickListener.java

@@ -1,4 +1,4 @@
-package de.marhali.easyi18n.ui.listener;
+package de.marhali.easyi18n.listener;
 
 import java.awt.event.MouseEvent;
 import java.awt.event.MouseListener;

src/main/java/de/marhali/easyi18n/model/SettingsState.java

@@ -11,10 +11,12 @@ public class SettingsState {
 
     public static final String DEFAULT_PREVIEW_LOCALE = "en";
     public static final String DEFAULT_FILE_PATTERN = ".*";
+    public static final boolean DEFAULT_CODE_ASSISTANCE = true;
 
     private String localesPath;
     private String filePattern;
     private String previewLocale;
+    private Boolean codeAssistance;
 
     public SettingsState() {}
 
@@ -41,4 +43,12 @@ public class SettingsState {
     public void setPreviewLocale(String previewLocale) {
         this.previewLocale = previewLocale;
     }
+
+    public boolean isCodeAssistance() {
+        return codeAssistance == null ? DEFAULT_CODE_ASSISTANCE : codeAssistance;
+    }
+
+    public void setCodeAssistance(boolean codeAssistance) {
+        this.codeAssistance = codeAssistance;
+    }
 }

src/main/java/de/marhali/easyi18n/renderer/TableRenderer.java

@@ -1,4 +1,4 @@
-package de.marhali.easyi18n.ui.renderer;
+package de.marhali.easyi18n.renderer;
 
 import com.intellij.ui.JBColor;
 

src/main/java/de/marhali/easyi18n/renderer/TreeRenderer.java

@@ -1,4 +1,4 @@
-package de.marhali.easyi18n.ui.renderer;
+package de.marhali.easyi18n.renderer;
 
 import com.intellij.ide.util.treeView.NodeRenderer;
 import com.intellij.navigation.ItemPresentation;
@@ -7,9 +7,6 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
-import javax.swing.tree.DefaultTreeCellRenderer;
-import javax.swing.tree.TreeCellRenderer;
-import java.awt.*;
 
 /**
  * Similar to {@link NodeRenderer} but will will override {@link #getPresentation(Object)} to

src/main/java/de/marhali/easyi18n/service/WindowManager.java

@@ -2,8 +2,8 @@ package de.marhali.easyi18n.service;
 
 import com.intellij.openapi.wm.ToolWindow;
 
-import de.marhali.easyi18n.ui.tabs.TableView;
+import de.marhali.easyi18n.tabs.TableView;
-import de.marhali.easyi18n.ui.tabs.TreeView;
+import de.marhali.easyi18n.tabs.TreeView;
 
 public class WindowManager {
 

src/main/java/de/marhali/easyi18n/tabs/TableView.form

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="de.marhali.easyi18n.ui.tabs.TableView">
+<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="de.marhali.easyi18n.tabs.TableView">
   <grid id="27dc6" binding="rootPanel" layout-manager="GridLayoutManager" row-count="1" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
     <margin top="0" left="0" bottom="0" right="0"/>
     <constraints>

src/main/java/de/marhali/easyi18n/tabs/TableView.java

@@ -1,4 +1,4 @@
-package de.marhali.easyi18n.ui.tabs;
+package de.marhali.easyi18n.tabs;
 
 import com.intellij.openapi.project.Project;
 import com.intellij.ui.components.JBScrollPane;
@@ -11,10 +11,10 @@ import de.marhali.easyi18n.model.Translations;
 import de.marhali.easyi18n.model.KeyedTranslation;
 import de.marhali.easyi18n.model.TranslationDelete;
 import de.marhali.easyi18n.model.table.TableModelTranslator;
-import de.marhali.easyi18n.ui.dialog.EditDialog;
+import de.marhali.easyi18n.dialog.EditDialog;
-import de.marhali.easyi18n.ui.listener.DeleteKeyListener;
+import de.marhali.easyi18n.listener.DeleteKeyListener;
-import de.marhali.easyi18n.ui.listener.PopupClickListener;
+import de.marhali.easyi18n.listener.PopupClickListener;
-import de.marhali.easyi18n.ui.renderer.TableRenderer;
+import de.marhali.easyi18n.renderer.TableRenderer;
 
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

src/main/java/de/marhali/easyi18n/tabs/TreeView.form

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="de.marhali.easyi18n.ui.tabs.TreeView">
+<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="de.marhali.easyi18n.tabs.TreeView">
   <grid id="27dc6" binding="rootPanel" layout-manager="BorderLayout" hgap="0" vgap="0">
     <constraints>
       <xy x="20" y="20" width="500" height="400"/>

src/main/java/de/marhali/easyi18n/tabs/TreeView.java

@@ -1,4 +1,4 @@
-package de.marhali.easyi18n.ui.tabs;
+package de.marhali.easyi18n.tabs;
 
 import com.intellij.ide.projectView.PresentationData;
 import com.intellij.openapi.actionSystem.ActionManager;
@@ -14,13 +14,12 @@ import de.marhali.easyi18n.model.Translations;
 import de.marhali.easyi18n.model.KeyedTranslation;
 import de.marhali.easyi18n.model.TranslationDelete;
 import de.marhali.easyi18n.model.tree.TreeModelTranslator;
-import de.marhali.easyi18n.ui.action.treeview.CollapseTreeViewAction;
+import de.marhali.easyi18n.action.treeview.CollapseTreeViewAction;
-import de.marhali.easyi18n.ui.action.treeview.ExpandTreeViewAction;
+import de.marhali.easyi18n.action.treeview.ExpandTreeViewAction;
-import de.marhali.easyi18n.ui.dialog.EditDialog;
+import de.marhali.easyi18n.dialog.EditDialog;
-import de.marhali.easyi18n.ui.listener.DeleteKeyListener;
+import de.marhali.easyi18n.listener.DeleteKeyListener;
-import de.marhali.easyi18n.ui.listener.PopupClickListener;
+import de.marhali.easyi18n.listener.PopupClickListener;
-import de.marhali.easyi18n.ui.renderer.TreeRenderer;
+import de.marhali.easyi18n.renderer.TreeRenderer;
-import de.marhali.easyi18n.util.TranslationsUtil;
 import de.marhali.easyi18n.util.TreeUtil;
 
 import org.jetbrains.annotations.NotNull;

src/main/java/de/marhali/easyi18n/ui/editor/I18nCompletionContributor.java

@@ -1,18 +0,0 @@
-package de.marhali.easyi18n.ui.editor;
-
-import com.intellij.codeInsight.completion.CompletionContributor;
-import com.intellij.codeInsight.completion.CompletionType;
-import com.intellij.patterns.*;
-import com.intellij.psi.PsiLiteralValue;
-
-/**
- * Show i18n key completion for literal values.
- * @author marhali
- */
-public class I18nCompletionContributor extends CompletionContributor {
-
-    public I18nCompletionContributor() {
-        extend(CompletionType.BASIC, PlatformPatterns.psiElement().inside(PsiLiteralValue.class),
-                new I18nCompletionProvider());
-    }
-}

src/main/java/de/marhali/easyi18n/util/JsonArrayUtil.java

@@ -0,0 +1,51 @@
+package de.marhali.easyi18n.util;
+
+import com.google.gson.JsonArray;
+import org.apache.commons.lang.StringEscapeUtils;
+
+import java.util.regex.Pattern;
+
+/**
+ * Utility methods to read and write json arrays.
+ * @author marhali
+ */
+public class JsonArrayUtil {
+
+    public static String ARRAY_PREFIX = "!arr[";
+    public static String ARRAY_SUFFIX = "]";
+    public static char ARRAY_DELIMITER = ';';
+
+    public static String read(JsonArray array) {
+        StringBuilder builder = new StringBuilder(ARRAY_PREFIX);
+
+        for(int i = 0; i < array.size(); i++) {
+            if(i > 0) {
+                builder.append(ARRAY_DELIMITER);
+            }
+
+            String value = array.get(i).getAsString().replace(";", "\\;");
+            builder.append(StringUtil.escapeControls(value, true));
+        }
+
+        builder.append(ARRAY_SUFFIX);
+        return builder.toString();
+    }
+
+    public static JsonArray write(String concat) {
+        concat = concat.substring(ARRAY_PREFIX.length(), concat.length() - ARRAY_SUFFIX.length());
+        String regex = "(?<!\\\\)" + Pattern.quote(String.valueOf(ARRAY_DELIMITER));
+
+        JsonArray array = new JsonArray();
+
+        for(String element : concat.split(regex)) {
+            element = element.replace("\\" + ARRAY_DELIMITER, String.valueOf(ARRAY_DELIMITER));
+            array.add(StringEscapeUtils.unescapeJava(element));
+        }
+
+        return array;
+    }
+
+    public static boolean isArray(String concat) {
+        return concat != null && concat.startsWith(ARRAY_PREFIX) && concat.endsWith(ARRAY_SUFFIX);
+    }
+}

src/main/java/de/marhali/easyi18n/util/JsonUtil.java

@@ -27,9 +27,14 @@ public class JsonUtil {
     public static void writeTree(String locale, JsonObject parent, LocalizedNode node) {
         if(node.isLeaf() && !node.getKey().equals(LocalizedNode.ROOT_KEY)) {
             if(node.getValue().get(locale) != null) {
+
+                if(JsonArrayUtil.isArray(node.getValue().get(locale))) {
+                    parent.add(node.getKey(), JsonArrayUtil.write(node.getValue().get(locale)));
+                } else {
                     String value = StringEscapeUtils.unescapeJava(node.getValue().get(locale));
                     parent.add(node.getKey(), new JsonPrimitive(value));
                 }
+            }
 
         } else {
             for(LocalizedNode children : node.getChildren()) {
@@ -78,7 +83,11 @@ public class JsonUtil {
                 }
 
                 Map<String, String> messages = leafNode.getValue();
-                String value = StringUtil.escapeControls(entry.getValue().getAsString(), true);
+
+                String value = entry.getValue().isJsonArray()
+                        ? JsonArrayUtil.read(entry.getValue().getAsJsonArray())
+                        : StringUtil.escapeControls(entry.getValue().getAsString(), true);
+
                 messages.put(locale, value);
                 leafNode.setValue(messages);
             }

src/main/resources/META-INF/de.marhali.easyi18n-kotlin.xml

@@ -0,0 +1,8 @@
+<idea-plugin>
+    <extensions defaultExtensionNs="com.intellij">
+        <annotator language="kotlin" implementationClass="de.marhali.easyi18n.editor.kotlin.KotlinKeyAnnotator" />
+
+        <completion.contributor language="kotlin"
+                                implementationClass="de.marhali.easyi18n.editor.kotlin.KotlinKeyCompletionContributor" />
+    </extensions>
+</idea-plugin>

src/main/resources/META-INF/plugin.xml

@@ -5,15 +5,17 @@
 
     <!-- Product and plugin compatibility requirements -->
     <!-- https://plugins.jetbrains.com/docs/intellij/plugin-compatibility.html -->
+    <depends>com.intellij.modules.platform</depends>
     <depends>com.intellij.modules.lang</depends>
+    <depends optional="true" config-file="de.marhali.easyi18n-kotlin.xml">org.jetbrains.kotlin</depends>
 
     <extensions defaultExtensionNs="com.intellij">
         <toolWindow id="Easy I18n" anchor="bottom" factoryClass="de.marhali.easyi18n.TranslatorToolWindowFactory" />
         <projectService serviceImplementation="de.marhali.easyi18n.service.SettingsService" />
 
         <completion.contributor language="any"
-                                implementationClass="de.marhali.easyi18n.ui.editor.I18nCompletionContributor" />
+                                implementationClass="de.marhali.easyi18n.editor.generic.GenericKeyCompletionContributor" />
 
-        <annotator language="" implementationClass="de.marhali.easyi18n.ui.editor.I18nKeyAnnotator" />
+        <annotator language="" implementationClass="de.marhali.easyi18n.editor.generic.GenericKeyAnnotator" />
     </extensions>
 </idea-plugin>

src/main/resources/messages.properties

@@ -15,3 +15,4 @@ settings.path.title=Locales Directory
 settings.path.text=Locales directory
 settings.path.file-pattern=Translation file pattern
 settings.preview=Preview locale
+settings.editor.assistance=I18n key completion and annotation inside editor