| /* |
| * Copyright 2000-2009 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 org.intellij.images.thumbnail.actionSystem; |
| |
| import com.intellij.openapi.actionSystem.AnActionEvent; |
| import com.intellij.openapi.actionSystem.Presentation; |
| import org.intellij.images.thumbnail.ThumbnailView; |
| |
| /** |
| * Thumbnail view actions utility. |
| * |
| * @author <a href="mailto:aefimov.box@gmail.com">Alexey Efimov</a> |
| */ |
| public final class ThumbnailViewActionUtil { |
| private ThumbnailViewActionUtil() { |
| } |
| |
| /** |
| * Extract current thumbnail view from event context. |
| * |
| * @param e Action event |
| * @return Current {@link org.intellij.images.thumbnail.ThumbnailView} or <code>null</code> |
| */ |
| public static ThumbnailView getVisibleThumbnailView(AnActionEvent e) { |
| ThumbnailView thumbnailView = getThumbnailView(e); |
| if (thumbnailView != null && thumbnailView.isVisible()) { |
| return thumbnailView; |
| } |
| return null; |
| } |
| |
| public static ThumbnailView getThumbnailView(AnActionEvent e) { |
| return ThumbnailView.DATA_KEY.getData(e.getDataContext()); |
| } |
| |
| /** |
| * Enable or disable current action from event. |
| * |
| * @param e Action event |
| * @return Enabled value |
| */ |
| public static boolean setEnabled(AnActionEvent e) { |
| ThumbnailView thumbnailView = getVisibleThumbnailView(e); |
| Presentation presentation = e.getPresentation(); |
| presentation.setEnabled(thumbnailView != null); |
| return presentation.isEnabled(); |
| } |
| } |