plugins/images/src/org/intellij/images/actions/ShowThumbnailsAction.java

   1 /*
   2  * Copyright 2004-2005 Alexey Efimov
   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 org.intellij.images.actions;
  17
  18 import com.intellij.openapi.actionSystem.ActionPlaces;
  19 import com.intellij.openapi.actionSystem.AnAction;
  20 import com.intellij.openapi.actionSystem.AnActionEvent;
  21 import com.intellij.openapi.actionSystem.PlatformDataKeys;
  22 import com.intellij.openapi.project.Project;
  23 import com.intellij.openapi.vfs.VirtualFile;
  24 import org.intellij.images.thumbnail.ThumbnailManager;
  25 import org.intellij.images.thumbnail.ThumbnailView;
  26
  27 /**
  28  * Show thumbnail for directory.
  29  *
  30  * @author <a href="mailto:aefimov.box@gmail.com">Alexey Efimov</a>
  31  */
  32 public final class ShowThumbnailsAction extends AnAction {
  33     public void actionPerformed(AnActionEvent e) {
  34         Project project = e.getData(PlatformDataKeys.PROJECT);
  35         VirtualFile file = e.getData(PlatformDataKeys.VIRTUAL_FILE);
  36         if (project != null && file != null && file.isDirectory()) {
  37             ThumbnailManager thumbnailManager = ThumbnailManager.getManager(project);
  38             ThumbnailView thumbnailView = thumbnailManager.getThumbnailView();
  39             thumbnailView.setRoot(file);
  40             thumbnailView.setVisible(true);
  41             thumbnailView.activate();
  42         }
  43     }
  44
  45     public void update(AnActionEvent e) {
  46         super.update(e);
  47         VirtualFile file = e.getData(PlatformDataKeys.VIRTUAL_FILE);
  48         final boolean isEnabled = file != null && file.isDirectory();
  49         if (e.getPlace().equals(ActionPlaces.PROJECT_VIEW_POPUP)) {
  50             e.getPresentation().setVisible(isEnabled);
  51         }
  52         else {
  53             e.getPresentation().setEnabled(isEnabled);
  54         }
  55     }
  56 }