rename: RenameInputValidatorEx - to show error message with enabled buttons (rename package into invalid name:IDEA-63134)

2026-09-21 12:14:37 +07:00 · 2011-03-14 14:08:38 +01:00
parent bcf78079b7
commit 2d3184ff33
5 changed files with 107 additions and 0 deletions
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2000-2011 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.refactoring.rename;
+
+import com.intellij.openapi.fileTypes.FileTypeManager;
+import com.intellij.openapi.project.Project;
+import com.intellij.patterns.ElementPattern;
+import com.intellij.patterns.PlatformPatterns;
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiPackage;
+import com.intellij.psi.impl.file.PsiDirectoryFactory;
+import com.intellij.util.ProcessingContext;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * User: anna
+ * Date: 3/14/11
+ */
+public class PsiPackageRenameValidator implements RenameInputValidatorEx {
+  @Nullable
+  @Override
+  public String getErrorMessage(String newName, Project project) {
+    if (FileTypeManager.getInstance().isFileIgnored(newName)) {
+      return "Trying to create a package with ignored name, result will not be visible";
+    }
+    if (newName.length() > 0 && !PsiDirectoryFactory.getInstance(project).isValidPackageName(newName)) {
+      return "Not a valid package name";
+    }
+    return null;
+  }
+
+  @Override
+  public ElementPattern<? extends PsiElement> getPattern() {
+    return PlatformPatterns.psiElement(PsiPackage.class);
+  }
+
+  @Override
+  public boolean isInputValid(String newName, PsiElement element, ProcessingContext context) {
+    return newName != null && newName.length() > 0;
+  }
+}