platform/platform-impl/src/com/intellij/openapi/fileEditor/impl/NonProjectFileNotificationProvider.java

/*
 * Copyright 2000-2014 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.openapi.fileEditor.impl;

import com.intellij.openapi.fileEditor.FileEditor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.ui.EditorNotifications;
import org.jetbrains.annotations.NotNull;

public class NonProjectFileNotificationProvider extends EditorNotifications.Provider<NonProjectFileNotificationPanel> {
  private static final Key<NonProjectFileNotificationPanel> KEY = Key.create("NonProjectFileNotificationPanel");

  @NotNull private final Project myProject;

  public NonProjectFileNotificationProvider(@NotNull Project project) {
    myProject = project;
  }

  public Key<NonProjectFileNotificationPanel> getKey() {
    return KEY;
  }

  public NonProjectFileNotificationPanel createNotificationPanel(VirtualFile file, FileEditor fileEditor) {
    NonProjectFileWritingAccessProvider.AccessStatus status = NonProjectFileWritingAccessProvider.getAccessStatus(myProject, file);
    if (status != NonProjectFileWritingAccessProvider.AccessStatus.REQUESTED) return null;

    return new NonProjectFileNotificationPanel(myProject, file);
  }
}