plugins/images/src/org/intellij/images/thumbnail/actions/EnterAction.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 org.intellij.images.thumbnail.actions;
  17
  18 import com.intellij.openapi.actionSystem.AnAction;
  19 import com.intellij.openapi.actionSystem.AnActionEvent;
  20 import com.intellij.openapi.actionSystem.Presentation;
  21 import com.intellij.openapi.vfs.VirtualFile;
  22 import com.intellij.openapi.fileEditor.FileEditorManager;
  23 import org.intellij.images.thumbnail.ThumbnailView;
  24 import org.intellij.images.thumbnail.actionSystem.ThumbnailViewActionUtil;
  25 import org.intellij.images.fileTypes.ImageFileTypeManager;
  26
  27 /**
  28  * Level up to browse images.
  29  *
  30  * @author <a href="mailto:aefimov.box@gmail.com">Alexey Efimov</a>
  31  */
  32 public final class EnterAction extends AnAction {
  33     public void actionPerformed(AnActionEvent e) {
  34         ThumbnailView view = ThumbnailViewActionUtil.getVisibleThumbnailView(e);
  35         if (view != null) {
  36             VirtualFile[] selection = view.getSelection();
  37             if (selection.length == 1 && selection[0].isDirectory()) {
  38                 view.setRoot(selection[0]);
  39             } else if (selection.length > 0) {
  40                 FileEditorManager fileEditorManager = FileEditorManager.getInstance(view.getProject());
  41                 ImageFileTypeManager typeManager = ImageFileTypeManager.getInstance();
  42                 for (VirtualFile file : selection) {
  43                     if (typeManager.isImage(file)) {
  44                         fileEditorManager.openFile(file, false);
  45                     }
  46                 }
  47             }
  48         }
  49     }
  50
  51     public void update(AnActionEvent e) {
  52         super.update(e);
  53         if (ThumbnailViewActionUtil.setEnabled(e)) {
  54             Presentation presentation = e.getPresentation();
  55             ThumbnailView view = ThumbnailViewActionUtil.getVisibleThumbnailView(e);
  56             VirtualFile[] selection = view.getSelection();
  57             if (selection.length > 0) {
  58                 if (selection.length == 1 && selection[0].isDirectory()) {
  59                     presentation.setVisible(true);
  60                 } else if (selection.length > 0) {
  61                     boolean notImages = false;
  62                     ImageFileTypeManager typeManager = ImageFileTypeManager.getInstance();
  63                     for (VirtualFile file : selection) {
  64                         notImages |= !typeManager.isImage(file);
  65                     }
  66                     presentation.setEnabled(!notImages);
  67                     presentation.setVisible(false);
  68                 } else {
  69                     presentation.setVisible(false);
  70                     presentation.setEnabled(false);
  71                 }
  72             } else {
  73                 presentation.setVisible(false);
  74                 presentation.setEnabled(false);
  75             }
  76         }
  77     }
  78 }