#46: Field rename refactoring (basic)

Author: kshchepanovskyi

src/main/java/io/protostuff/jetbrains/plugin/psi/manipulator/FieldReferenceNodeManipulator.java

@@ -0,0 +1,39 @@
+package io.protostuff.jetbrains.plugin.psi.manipulator;
+
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.util.TextRange;
+import com.intellij.psi.AbstractElementManipulator;
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiFileFactory;
+import com.intellij.psi.impl.PsiFileFactoryImpl;
+import com.intellij.util.IncorrectOperationException;
+import io.protostuff.compiler.parser.ProtoParser;
+import io.protostuff.jetbrains.plugin.ProtoLanguage;
+import io.protostuff.jetbrains.plugin.ProtoParserDefinition;
+import io.protostuff.jetbrains.plugin.psi.FieldReferenceNode;
+import org.antlr.jetbrains.adapter.lexer.RuleIElementType;
+import org.antlr.jetbrains.adapter.psi.ScopeNode;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Field reference node manipulator.
+ *
+ * @author Kostiantyn Shchepanovskyi
+ */
+public class FieldReferenceNodeManipulator extends AbstractElementManipulator<FieldReferenceNode> {
+
+    @Override
+    public FieldReferenceNode handleContentChange(@NotNull FieldReferenceNode node, @NotNull TextRange range, String newContent) throws IncorrectOperationException {
+        String oldText = node.getText();
+        String newText = oldText.substring(0, range.getStartOffset()) + newContent + oldText.substring(range.getEndOffset());
+        Project project = node.getProject();
+        PsiFileFactoryImpl factory = (PsiFileFactoryImpl) PsiFileFactory.getInstance(project);
+        RuleIElementType type = ProtoParserDefinition.rule(ProtoParser.RULE_fieldRerefence);
+        ScopeNode context = node.getContext();
+        PsiElement newNode = factory.createElementFromText(newText, ProtoLanguage.INSTANCE, type, context);
+        if (newNode == null) {
+            throw new IncorrectOperationException();
+        }
+        return (FieldReferenceNode) node.replace(newNode);
+    }
+}

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

@@ -173,6 +173,9 @@
         <lang.elementManipulator
                 forClass="io.protostuff.jetbrains.plugin.psi.TypeReferenceNode"
                 implementationClass="io.protostuff.jetbrains.plugin.psi.manipulator.TypeReferenceNodeManipulator"/>
+        <lang.elementManipulator
+                forClass="io.protostuff.jetbrains.plugin.psi.FieldReferenceNode"
+                implementationClass="io.protostuff.jetbrains.plugin.psi.manipulator.FieldReferenceNodeManipulator"/>
 
     </extensions>
 

src/test/java/io/protostuff/jetbrains/plugin/rename/field/RenameFieldTest.java

@@ -0,0 +1,34 @@
+package io.protostuff.jetbrains.plugin.rename.field;
+
+import com.intellij.testFramework.fixtures.LightCodeInsightFixtureTestCase;
+import io.protostuff.jetbrains.plugin.psi.FieldNode;
+import io.protostuff.jetbrains.plugin.psi.OptionNode;
+import org.junit.Assert;
+
+/**
+ * Tests for rename message refactoring.
+ *
+ * @author Kostiantyn Shchepanovskyi
+ */
+public class RenameFieldTest extends LightCodeInsightFixtureTestCase {
+
+    @Override
+    protected String getTestDataPath() {
+        return "src/test/resources/";
+    }
+
+    public void testRenameField_caretAtFieldName() {
+        myFixture.configureByFiles("rename/field/RenameField_CaretAtField.proto");
+        myFixture.renameElementAtCaret("NewName");
+        OptionNode option = myFixture.findElementByText("(foo).NewName", OptionNode.class);
+        Assert.assertNotNull(option);
+    }
+
+    public void testRenameField_caretAtOption() {
+        myFixture.configureByFiles("rename/field/RenameField_CaretAtOption.proto");
+        myFixture.renameElementAtCaret("NewName");
+        FieldNode option = myFixture.findElementByText("NewName", FieldNode.class);
+        Assert.assertNotNull(option);
+    }
+
+}

src/test/resources/rename/field/RenameField_CaretAtField.proto

@@ -0,0 +1,18 @@
+syntax = "proto2";
+
+package rename.field;
+
+import "google/protobuf/descriptor.proto";
+
+
+extend google.protobuf.FieldOptions {
+    optional Foo foo = 52003;
+}
+
+message Foo {
+    optional int32 name = 1;
+}
+
+message Bar {
+    optional string field = 1 [(foo).name<caret> = 1];
+}

src/test/resources/rename/field/RenameField_CaretAtOption.proto

@@ -0,0 +1,18 @@
+syntax = "proto2";
+
+package rename.field;
+
+import "google/protobuf/descriptor.proto";
+
+
+extend google.protobuf.FieldOptions {
+    optional Foo foo = 52003;
+}
+
+message Foo {
+    optional int32 name<caret> = 1;
+}
+
+message Bar {
+    optional string field = 1 [(foo).name = 1];
+}