platform/platform-impl/src/com/intellij/ide/actions/AssociateFileType.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.ide.actions;
  17
  18 import com.intellij.openapi.actionSystem.*;
  19 import com.intellij.openapi.fileTypes.FileTypeManager;
  20 import com.intellij.openapi.fileTypes.FileTypes;
  21 import com.intellij.openapi.fileTypes.ex.FileTypeChooser;
  22 import com.intellij.openapi.project.Project;
  23 import com.intellij.openapi.vfs.VirtualFile;
  24
  25 public class AssociateFileType extends AnAction {
  26   public void actionPerformed(AnActionEvent e) {
  27     DataContext dataContext = e.getDataContext();
  28     VirtualFile file = PlatformDataKeys.VIRTUAL_FILE.getData(dataContext);
  29     FileTypeChooser.associateFileType(file.getName());
  30   }
  31
  32   public void update(AnActionEvent e) {
  33     Presentation presentation = e.getPresentation();
  34     DataContext dataContext = e.getDataContext();
  35     VirtualFile file = PlatformDataKeys.VIRTUAL_FILE.getData(dataContext);
  36     Project project = PlatformDataKeys.PROJECT.getData(dataContext);
  37     boolean haveSmthToDo;
  38     if (project == null || file == null || file.isDirectory()) {
  39       haveSmthToDo = false;
  40     }
  41     else {
  42       haveSmthToDo = FileTypeManager.getInstance().getFileTypeByFile(file) == FileTypes.UNKNOWN;
  43     }
  44     presentation.setVisible(haveSmthToDo || ActionPlaces.MAIN_MENU.equals(e.getPlace()));
  45     presentation.setEnabled(haveSmthToDo);
  46   }
  47
  48 }