Option to use normal indent in chained calls

#KT-18605 Fixed

idea/src/org/jetbrains/kotlin/idea/formatter/KotlinIndentOptionsEditor.kt

@@ -26,11 +26,13 @@ import javax.swing.JCheckBox
 class KotlinIndentOptionsEditor : SmartIndentOptionsEditor() {
     private val useContinuationIndentInParameterList = JCheckBox("Use continuation indent in parameter lists")
     private val useContinuationIndentForExpressionBodies = JCheckBox("Use continuation indent for expression bodies")
+    private val useContinuationIndentForChainedCalls = JCheckBox("Use continuation indent for chained calls")
 
     override fun addComponents() {
         super.addComponents()
         add(useContinuationIndentInParameterList)
         add(useContinuationIndentForExpressionBodies)
+        add(useContinuationIndentForChainedCalls)
     }
 
     override fun isModified(settings: CodeStyleSettings, options: CommonCodeStyleSettings.IndentOptions): Boolean {
@@ -40,6 +42,8 @@ class KotlinIndentOptionsEditor : SmartIndentOptionsEditor() {
                                                                        kotlinSettings.CONTINUATION_INDENT_IN_PARAMETER_LISTS)
         isModified = isModified || IndentOptionsEditor.isFieldModified(useContinuationIndentForExpressionBodies,
                                                                        kotlinSettings.CONTINUATION_INDENT_FOR_EXPRESSION_BODIES)
+        isModified = isModified || IndentOptionsEditor.isFieldModified(useContinuationIndentForChainedCalls,
+                                                                       kotlinSettings.CONTINUATION_INDENT_FOR_CHAINED_CALLS)
         return isModified
     }
 
@@ -48,6 +52,7 @@ class KotlinIndentOptionsEditor : SmartIndentOptionsEditor() {
         val kotlinSettings = settings.getCustomSettings(KotlinCodeStyleSettings::class.java)
         kotlinSettings.CONTINUATION_INDENT_IN_PARAMETER_LISTS = useContinuationIndentInParameterList.isSelected
         kotlinSettings.CONTINUATION_INDENT_FOR_EXPRESSION_BODIES = useContinuationIndentForExpressionBodies.isSelected
+        kotlinSettings.CONTINUATION_INDENT_FOR_CHAINED_CALLS = useContinuationIndentForChainedCalls.isSelected
     }
 
     override fun reset(settings: CodeStyleSettings, options: CommonCodeStyleSettings.IndentOptions) {
@@ -55,11 +60,13 @@ class KotlinIndentOptionsEditor : SmartIndentOptionsEditor() {
         val kotlinSettings = settings.getCustomSettings(KotlinCodeStyleSettings::class.java)
         useContinuationIndentInParameterList.isSelected = kotlinSettings.CONTINUATION_INDENT_IN_PARAMETER_LISTS
         useContinuationIndentForExpressionBodies.isSelected = kotlinSettings.CONTINUATION_INDENT_FOR_EXPRESSION_BODIES
+        useContinuationIndentForChainedCalls.isSelected = kotlinSettings.CONTINUATION_INDENT_FOR_CHAINED_CALLS
     }
 
     override fun setEnabled(enabled: Boolean) {
         super.setEnabled(enabled)
         useContinuationIndentInParameterList.isEnabled = enabled
         useContinuationIndentForExpressionBodies.isEnabled = enabled
+        useContinuationIndentForChainedCalls.isEnabled = enabled
     }
 }

idea/src/org/jetbrains/kotlin/idea/formatter/KotlinLanguageCodeStyleSettingsProvider.kt

@@ -125,6 +125,8 @@ class KotlinLanguageCodeStyleSettingsProvider : LanguageCodeStyleSettingsProvide
                            foo: String,
                            bar: String
                        ) {
+                           foo
+                               .length
                        }
 
                        fun expressionBodyMethod() =