KT-1235 Indent size in IDEA is always 4?

idea/src/META-INF/plugin.xml

@@ -59,6 +59,9 @@
       <lang.findUsagesProvider language="jet" implementationClass="org.jetbrains.jet.plugin.findUsages.JetFindUsagesProvider"/>
       <lang.refactoringSupport language="jet" implementationClass="org.jetbrains.jet.plugin.refactoring.JetRefactoringSupportProvider"/>
 
+      <codeStyleSettingsProvider implementation="org.jetbrains.jet.plugin.formatter.JetCodeStyleSettingsProvider"/>
+      <langCodeStyleSettingsProvider implementation="org.jetbrains.jet.plugin.formatter.JetLanguageCodeStyleSettingsProvider"/>
+
       <templateParameterTraversalPolicy implementation="org.jetbrains.jet.plugin.completion.JetTemplateParameterTraversalPolicy"/>
 
       <codeInsight.parameterInfo language="jet" implementationClass="org.jetbrains.jet.plugin.parameterInfo.JetFunctionParameterInfoHandler"/>
@@ -100,7 +103,6 @@
       <configurationProducer implementation="org.jetbrains.jet.plugin.run.JetRunConfigurationProducer"/>
       <codeInsight.lineMarkerProvider language="jet" implementationClass="org.jetbrains.jet.plugin.annotations.JetLineMarkerProvider"/>
       <iconProvider implementation="org.jetbrains.jet.plugin.JetIconProvider"/>
-      <fileTypeIndentOptionsProvider implementation="org.jetbrains.jet.plugin.formatter.JetIndentOptionsProvider"/>
       <elementDescriptionProvider implementation="org.jetbrains.jet.plugin.findUsages.JetElementDescriptionProvider"/>
       <debugger.positionManagerFactory implementation="org.jetbrains.jet.plugin.debugger.JetPositionManagerFactory"/>
       <codeInsight.implementMethod language="jet" implementationClass="org.jetbrains.jet.plugin.codeInsight.ImplementMethodsHandler"/>

idea/src/org/jetbrains/jet/plugin/formatter/JetCodeStyleSettings.java

@@ -0,0 +1,16 @@
+package org.jetbrains.jet.plugin.formatter;
+
+import com.intellij.openapi.project.Project;
+import com.intellij.psi.codeStyle.CodeStyleSettings;
+import com.intellij.psi.codeStyle.CodeStyleSettingsManager;
+import com.intellij.psi.codeStyle.CustomCodeStyleSettings;
+
+public class JetCodeStyleSettings extends CustomCodeStyleSettings {
+    public static JetCodeStyleSettings getInstance(Project project) {
+        return CodeStyleSettingsManager.getSettings(project).getCustomSettings(JetCodeStyleSettings.class);
+    }
+
+    public JetCodeStyleSettings(CodeStyleSettings container) {
+        super("JetCodeStyleSettings", container);
+    }
+}

idea/src/org/jetbrains/jet/plugin/formatter/JetCodeStyleSettingsProvider.java

@@ -0,0 +1,52 @@
+package org.jetbrains.jet.plugin.formatter;
+
+import com.intellij.application.options.CodeStyleAbstractConfigurable;
+import com.intellij.application.options.CodeStyleAbstractPanel;
+import com.intellij.application.options.TabbedLanguageCodeStylePanel;
+import com.intellij.lang.Language;
+import com.intellij.openapi.options.Configurable;
+import com.intellij.psi.codeStyle.CodeStyleSettings;
+import com.intellij.psi.codeStyle.CodeStyleSettingsProvider;
+import com.intellij.psi.codeStyle.CustomCodeStyleSettings;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.jet.plugin.JetLanguage;
+
+public class JetCodeStyleSettingsProvider extends CodeStyleSettingsProvider {
+
+    @Override
+    public String getConfigurableDisplayName() {
+        return "Kotlin";
+    }
+
+    @Override
+    public Language getLanguage() {
+        return JetLanguage.INSTANCE;
+    }
+
+    @Override
+    public CustomCodeStyleSettings createCustomSettings(CodeStyleSettings settings) {
+        return new JetCodeStyleSettings(settings);
+    }
+
+    @NotNull
+    @Override
+    public Configurable createSettingsPage(CodeStyleSettings settings, CodeStyleSettings originalSettings) {
+        return new CodeStyleAbstractConfigurable(settings, originalSettings, "Kotlin") {
+            @Override
+            protected CodeStyleAbstractPanel createPanel(CodeStyleSettings settings) {
+                return new TabbedLanguageCodeStylePanel(JetLanguage.INSTANCE, getCurrentSettings(), settings) {
+                    @Override
+                    protected void initTabs(CodeStyleSettings settings) {
+                        // TODO: activate all parent tabs
+                        addIndentOptionsTab(settings);
+                    }
+                };
+            }
+
+            @Override
+            public String getHelpTopic() {
+                return null;
+            }
+        };
+    }
+}

idea/src/org/jetbrains/jet/plugin/formatter/JetFormattingModelBuilder.java

@@ -18,9 +18,12 @@ public class JetFormattingModelBuilder implements FormattingModelBuilder {
     @NotNull
     @Override
     public FormattingModel createModel(PsiElement element, CodeStyleSettings settings) {
-        final JetBlock block = new JetBlock(element.getNode(), null, Indent.getNoneIndent(), null, settings,
+        final JetBlock block = new JetBlock(
-                                            createSpacingBuilder(settings));
+            element.getNode(), null, Indent.getNoneIndent(), null, settings,
-        return FormattingModelProvider.createFormattingModelForPsiFile(element.getContainingFile(), block, settings);
+            createSpacingBuilder(settings));
+
+        return FormattingModelProvider.createFormattingModelForPsiFile(
+            element.getContainingFile(), block, settings);
     }
 
     private static SpacingBuilder createSpacingBuilder(CodeStyleSettings settings) {

idea/src/org/jetbrains/jet/plugin/formatter/JetIndentOptionsProvider.java

@@ -1,38 +0,0 @@
-package org.jetbrains.jet.plugin.formatter;
-
-import com.intellij.application.options.IndentOptionsEditor;
-import com.intellij.application.options.SmartIndentOptionsEditor;
-import com.intellij.openapi.fileTypes.FileType;
-import com.intellij.psi.PsiFile;
-import com.intellij.psi.codeStyle.CodeStyleSettings;
-import com.intellij.psi.codeStyle.FileTypeIndentOptionsProvider;
-import org.jetbrains.jet.plugin.JetFileType;
-
-/**
- * @author yole
- */
-public class JetIndentOptionsProvider implements FileTypeIndentOptionsProvider {
-    @Override
-    public CodeStyleSettings.IndentOptions createIndentOptions() {
-        return new CodeStyleSettings.IndentOptions();
-    }
-
-    @Override
-    public FileType getFileType() {
-        return JetFileType.INSTANCE;
-    }
-
-    @Override
-    public IndentOptionsEditor createOptionsEditor() {
-        return new SmartIndentOptionsEditor();
-    }
-
-    @Override
-    public String getPreviewText() {
-        return "";
-    }
-
-    @Override
-    public void prepareForReformat(PsiFile psiFile) {
-    }
-}

idea/src/org/jetbrains/jet/plugin/formatter/JetLanguageCodeStyleSettingsProvider.java

@@ -0,0 +1,58 @@
+package org.jetbrains.jet.plugin.formatter;
+
+import com.intellij.application.options.IndentOptionsEditor;
+import com.intellij.application.options.SmartIndentOptionsEditor;
+import com.intellij.lang.Language;
+import com.intellij.psi.codeStyle.CodeStyleSettingsCustomizable;
+import com.intellij.psi.codeStyle.CommonCodeStyleSettings;
+import com.intellij.psi.codeStyle.LanguageCodeStyleSettingsProvider;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.jet.plugin.JetLanguage;
+
+/**
+ * @author Nikolay Krasko
+ */
+public class JetLanguageCodeStyleSettingsProvider extends LanguageCodeStyleSettingsProvider {
+    @NotNull
+    @Override
+    public Language getLanguage() {
+        return JetLanguage.INSTANCE;
+    }
+
+    @Override
+    public String getCodeSample(@NotNull SettingsType settingsType) {
+        return
+            "class Some {\n" +
+            "fun foo() : Int {\n" +
+            "return 0\n" +
+            "}\n" +
+            "}";
+    }
+
+    @Override
+    public String getLanguageName() {
+        return "Kotlin";
+    }
+
+    @Override
+    public void customizeSettings(@NotNull CodeStyleSettingsCustomizable consumer, @NotNull SettingsType settingsType) {
+        consumer.showAllStandardOptions();
+    }
+
+    @Override
+    public IndentOptionsEditor getIndentOptionsEditor() {
+        return new SmartIndentOptionsEditor();
+    }
+
+    @Override
+    public boolean usesSharedPreview() {
+        return false;
+    }
+
+    @Override
+    public CommonCodeStyleSettings getDefaultCommonSettings() {
+        CommonCodeStyleSettings commonCodeStyleSettings = new CommonCodeStyleSettings(getLanguage());
+        commonCodeStyleSettings.initIndentOptions();
+        return commonCodeStyleSettings;
+    }
+}