InfixCallToOrdinaryIntention - smaller range + minor code improvements

idea/src/org/jetbrains/kotlin/idea/intentions/InfixCallToOrdinaryIntention.kt

@@ -23,26 +23,28 @@ import org.jetbrains.kotlin.psi.JetFunctionLiteralExpression
 import org.jetbrains.kotlin.psi.JetParenthesizedExpression
 import org.jetbrains.kotlin.lexer.JetTokens
 
-public class InfixCallToOrdinaryIntention : JetSelfTargetingOffsetIndependentIntention<JetBinaryExpression>(javaClass(), "Replace infix call with ordinary call") {
-    override fun isApplicableTo(element: JetBinaryExpression): Boolean {
-        return element.getLeft() != null && element.getRight() != null && element.getOperationToken() == JetTokens.IDENTIFIER
+public class InfixCallToOrdinaryIntention : JetSelfTargetingIntention<JetBinaryExpression>(javaClass(), "Replace infix call with ordinary call") {
+    override fun isApplicableTo(element: JetBinaryExpression, caretOffset: Int): Boolean {
+        if (element.getOperationToken() != JetTokens.IDENTIFIER || element.getLeft() == null || element.getRight() == null) return false
+        return element.getOperationReference().getTextRange().containsOffset(caretOffset)
     }
 
     override fun applyTo(element: JetBinaryExpression, editor: Editor) {
         val receiverText = element.getLeft()!!.getText()
         val argumentText = element.getRight()!!.getText()
         val functionName = element.getOperationReference().getText()
-        val replacementExpressionStringBuilder = StringBuilder("$receiverText.$functionName")
 
-        replacementExpressionStringBuilder.append(
-                when (element.getRight()) {
-                    is JetFunctionLiteralExpression -> " $argumentText"
-                    is JetParenthesizedExpression -> argumentText
-                    else -> "($argumentText)"
-                }
-        )
+        val text = StringBuilder {
+            append(receiverText)
+            append(".")
+            append(functionName)
+            append(when (element.getRight()) {
+                       is JetFunctionLiteralExpression -> " $argumentText"
+                       is JetParenthesizedExpression -> argumentText
+                       else -> "($argumentText)"
+                   })
+        }.toString()
 
-        val replacement = JetPsiFactory(element).createExpression(replacementExpressionStringBuilder.toString())
-        element.replace(replacement)
+        element.replace(JetPsiFactory(element).createExpression(text))
     }
 }

idea/testData/intentions/infixCallToOrdinary/functionCallAfterInfixCall.kt

@@ -1,3 +1,3 @@
 fun foo(x: Int) {
-    (<caret>x shl 1).minus()
+    (x <caret>shl 1).minus()
 }

idea/testData/intentions/infixCallToOrdinary/functionLiteralArgument.kt

@@ -2,5 +2,5 @@ trait Foo {
     fun foo(f: (Int) -> Unit)
 }
 fun foo(x: Foo) {
-    <caret>x foo { it * 2 }
+    x <caret>foo { it * 2 }
 }

idea/testData/intentions/infixCallToOrdinary/nonApplicableBinaryOperation.kt

@@ -1,4 +1,4 @@
 // IS_APPLICABLE: false
 fun foo(x: String) {
-    <caret>x == x
+    x <caret>== x
 }

idea/testData/intentions/infixCallToOrdinary/nullAssertedCall.kt

@@ -1,3 +1,3 @@
 fun foo(x: String) {
-    <caret>x!! compareTo "1"
+    x!! <caret>compareTo "1"
 }

idea/testData/intentions/infixCallToOrdinary/parenthesesAroundRightHandArgument.kt

@@ -1,3 +1,3 @@
 fun foo(x: String) {
-    <caret>x plus ("1" + "2")
+    x plus<caret> ("1" + "2")
 }

idea/testData/intentions/infixCallToOrdinary/simpleInfixFunctionCall.kt

@@ -1,3 +1,3 @@
 fun foo(x: Int) {
-    <caret>x compareTo 1
+    x <caret>compareTo 1
 }