platform/lang-impl/src/com/intellij/ide/actions/TogglePopupHintsAction.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
  17 /**
  18  * @author Vladimir Kondratyev
  19  */
  20 package com.intellij.ide.actions;
  21
  22 import com.intellij.codeInsight.daemon.DaemonCodeAnalyzer;
  23 import com.intellij.openapi.actionSystem.AnAction;
  24 import com.intellij.openapi.actionSystem.AnActionEvent;
  25 import com.intellij.openapi.actionSystem.DataContext;
  26 import com.intellij.openapi.actionSystem.PlatformDataKeys;
  27 import com.intellij.openapi.diagnostic.Logger;
  28 import com.intellij.openapi.fileEditor.FileEditorManager;
  29 import com.intellij.openapi.project.Project;
  30 import com.intellij.openapi.vfs.VirtualFile;
  31 import com.intellij.profile.codeInspection.InspectionProjectProfileManager;
  32 import com.intellij.psi.PsiFile;
  33 import com.intellij.psi.PsiManager;
  34
  35 public class TogglePopupHintsAction extends AnAction{
  36   private static final Logger LOG=Logger.getInstance("#com.intellij.ide.actions.TogglePopupHintsAction");
  37
  38   private static PsiFile getTargetFile(DataContext dataContext){
  39     Project project = PlatformDataKeys.PROJECT.getData(dataContext);
  40     if(project==null){
  41       return null;
  42     }
  43     VirtualFile[] files=FileEditorManager.getInstance(project).getSelectedFiles();
  44     if(files.length==0){
  45       return null;
  46     }
  47     PsiFile psiFile=PsiManager.getInstance(project).findFile(files[0]);
  48     LOG.assertTrue(psiFile!=null);
  49     return psiFile;
  50   }
  51
  52   public void update(AnActionEvent e){
  53     PsiFile psiFile=getTargetFile(e.getDataContext());
  54     e.getPresentation().setEnabled(psiFile!=null);
  55   }
  56
  57   public void actionPerformed(AnActionEvent e){
  58     PsiFile psiFile=getTargetFile(e.getDataContext());
  59     LOG.assertTrue(psiFile!=null);
  60     Project project = PlatformDataKeys.PROJECT.getData(e.getDataContext());
  61     LOG.assertTrue(project!=null);
  62     DaemonCodeAnalyzer codeAnalyzer = DaemonCodeAnalyzer.getInstance(project);
  63     codeAnalyzer.setImportHintsEnabled(psiFile,!codeAnalyzer.isImportHintsEnabled(psiFile));
  64     InspectionProjectProfileManager.getInstance(project).updateStatusBar();
  65   }
  66 }