plugins/spellchecker/src/com/intellij/spellchecker/actions/SpellingPopupActionGroup.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 com.intellij.spellchecker.actions;
  17
  18 import com.intellij.codeInsight.daemon.impl.HighlightInfo;
  19 import com.intellij.codeInsight.daemon.impl.quickfix.QuickFixAction;
  20 import com.intellij.codeInsight.intention.IntentionAction;
  21 import com.intellij.codeInspection.LocalQuickFix;
  22 import com.intellij.codeInspection.ex.QuickFixWrapper;
  23 import com.intellij.openapi.actionSystem.*;
  24 import com.intellij.openapi.application.ApplicationManager;
  25 import com.intellij.openapi.command.CommandProcessor;
  26 import com.intellij.openapi.diagnostic.Logger;
  27 import com.intellij.openapi.editor.Editor;
  28 import com.intellij.openapi.project.Project;
  29 import com.intellij.psi.PsiFile;
  30 import com.intellij.spellchecker.quickfixes.SpellCheckerQuickFix;
  31 import com.intellij.util.IncorrectOperationException;
  32 import org.jetbrains.annotations.NotNull;
  33 import org.jetbrains.annotations.Nullable;
  34
  35 import java.util.ArrayList;
  36 import java.util.HashMap;
  37 import java.util.List;
  38 import java.util.Map;
  39
  40 /**
  41  * Spelling action group.
  42  */
  43 public final class SpellingPopupActionGroup extends ActionGroup {
  44   public SpellingPopupActionGroup() {
  45   }
  46
  47   public SpellingPopupActionGroup(String shortName, boolean popup) {
  48     super(shortName, popup);
  49   }
  50
  51   public AnAction[] getChildren(@Nullable AnActionEvent e) {
  52     if (e != null) {
  53       AnAction[] children = findActions(e);
  54       // No actions
  55       if (children.length == 0) {
  56         e.getPresentation().setEnabled(false);
  57       }
  58       return children;
  59     }
  60     return AnAction.EMPTY_ARRAY;
  61   }
  62
  63   @NotNull
  64   private static AnAction[] findActions(@NotNull AnActionEvent e) {
  65     PsiFile psiFile = e.getData(LangDataKeys.PSI_FILE);
  66     Project project = e.getData(LangDataKeys.PROJECT);
  67     Editor editor = e.getData(LangDataKeys.EDITOR);
  68     if (psiFile != null && project != null && editor != null) {
  69       List<HighlightInfo.IntentionActionDescriptor> quickFixes = QuickFixAction.getAvailableActions(editor, psiFile, -1);
  70       Map<Anchor, List<AnAction>> children = new HashMap<Anchor, List<AnAction>>();
  71       ArrayList<AnAction> first = new ArrayList<AnAction>();
  72       children.put(Anchor.FIRST, first);
  73       ArrayList<AnAction> last = new ArrayList<AnAction>();
  74       children.put(Anchor.LAST, last);
  75       extractActions(quickFixes, children);
  76       if (first.size() > 0 && last.size() > 0) {
  77         first.add(new Separator());
  78       }
  79       first.addAll(last);
  80       if (first.size() > 0) {
  81         return first.toArray(new AnAction[first.size()]);
  82       }
  83     }
  84
  85     return AnAction.EMPTY_ARRAY;
  86   }
  87
  88   private static void extractActions(List<HighlightInfo.IntentionActionDescriptor> descriptors, Map<Anchor, List<AnAction>> actions) {
  89     for (HighlightInfo.IntentionActionDescriptor actionDescriptor : descriptors) {
  90       IntentionAction action = actionDescriptor.getAction();
  91       if (action instanceof QuickFixWrapper) {
  92         QuickFixWrapper wrapper = (QuickFixWrapper)action;
  93         LocalQuickFix localQuickFix = wrapper.getFix();
  94         if (localQuickFix instanceof SpellCheckerQuickFix) {
  95           SpellCheckerQuickFix spellCheckerQuickFix = (SpellCheckerQuickFix)localQuickFix;
  96           Anchor anchor = spellCheckerQuickFix.getPopupActionAnchor();
  97           SpellCheckerIntentionAction popupAction = new SpellCheckerIntentionAction(action);
  98           List<AnAction> list = actions.get(anchor);
  99           if (list != null) {
 100             list.add(popupAction);
 101           }
 102         }
 103       }
 104     }
 105   }
 106
 107   public void update(AnActionEvent e) {
 108     super.update(e);
 109     if (e != null) {
 110       if (e.getPresentation().isVisible() && findActions(e).length == 0) {
 111         e.getPresentation().setVisible(false);
 112       }
 113     }
 114   }
 115
 116   private static class SpellCheckerIntentionAction extends AnAction {
 117     private static final Logger LOGGER = Logger.getInstance("#SpellCheckerAction");
 118     private final IntentionAction intention;
 119
 120     public SpellCheckerIntentionAction(IntentionAction intention) {
 121       super(intention.getText());
 122       this.intention = intention;
 123     }
 124
 125     public void actionPerformed(final AnActionEvent e) {
 126       final PsiFile psiFile = e.getData(LangDataKeys.PSI_FILE);
 127       final Project project = e.getData(LangDataKeys.PROJECT);
 128       final Editor editor = e.getData(LangDataKeys.EDITOR);
 129       if (psiFile != null && project != null && editor != null) {
 130         ApplicationManager.getApplication().runWriteAction(new Runnable() {
 131           public void run() {
 132             CommandProcessor.getInstance().executeCommand(project, new Runnable() {
 133               public void run() {
 134                 try {
 135                   intention.invoke(project, editor, psiFile);
 136                 }
 137                 catch (IncorrectOperationException ex) {
 138                   LOGGER.error(ex);
 139                 }
 140               }
 141             }, e.getPresentation().getText(), e.getActionManager().getId(SpellCheckerIntentionAction.this));
 142           }
 143         });
 144       }
 145     }
 146   }
 147 }