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

   1
   2 /*
   3  * Copyright 2000-2009 JetBrains s.r.o.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  * http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17 package com.intellij.ide.actions;
  18
  19 import com.intellij.ide.IdeBundle;
  20 import com.intellij.openapi.actionSystem.AnAction;
  21 import com.intellij.openapi.actionSystem.AnActionEvent;
  22 import com.intellij.openapi.actionSystem.PlatformDataKeys;
  23 import com.intellij.openapi.actionSystem.Presentation;
  24 import com.intellij.openapi.command.CommandProcessor;
  25 import com.intellij.openapi.fileEditor.ex.FileEditorManagerEx;
  26 import com.intellij.openapi.project.Project;
  27 import com.intellij.openapi.project.DumbAware;
  28 import com.intellij.openapi.wm.ToolWindowManager;
  29
  30 public class NextSplitAction extends AnAction implements DumbAware {
  31   public void actionPerformed(AnActionEvent e) {
  32     final Project project = PlatformDataKeys.PROJECT.getData(e.getDataContext());
  33     final CommandProcessor commandProcessor = CommandProcessor.getInstance();
  34     commandProcessor.executeCommand(
  35       project, new Runnable(){
  36         public void run() {
  37           final FileEditorManagerEx manager = FileEditorManagerEx.getInstanceEx(project);
  38           manager.setCurrentWindow(manager.getNextWindow(manager.getCurrentWindow()));
  39         }
  40       }, IdeBundle.message("command.go.to.next.split"), null
  41     );
  42   }
  43
  44   public void update(final AnActionEvent event){
  45     final Project project = PlatformDataKeys.PROJECT.getData(event.getDataContext());
  46     final Presentation presentation = event.getPresentation();
  47     if (project == null) {
  48       presentation.setEnabled(false);
  49       return;
  50     }
  51     final FileEditorManagerEx manager = FileEditorManagerEx.getInstanceEx(project);
  52     final ToolWindowManager toolWindowManager = ToolWindowManager.getInstance(project);
  53     presentation.setEnabled (toolWindowManager.isEditorComponentActive() && manager.isInSplitter() && manager.getCurrentWindow() != null);
  54   }
  55 }