| /* |
| * 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 com.intellij.codeInsight.daemon.impl.actions; |
| |
| import com.intellij.codeInsight.CodeInsightActionHandler; |
| import com.intellij.codeInsight.actions.BaseCodeInsightAction; |
| import com.intellij.codeInsight.daemon.DaemonCodeAnalyzer; |
| import com.intellij.codeInsight.daemon.impl.DaemonCodeAnalyzerImpl; |
| import com.intellij.codeInsight.daemon.impl.HighlightInfo; |
| import com.intellij.codeInsight.daemon.impl.ShowErrorDescriptionHandler; |
| import com.intellij.openapi.actionSystem.AnActionEvent; |
| import com.intellij.openapi.actionSystem.IdeActions; |
| import com.intellij.openapi.actionSystem.ex.ActionManagerEx; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.DumbAware; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Comparing; |
| import com.intellij.psi.PsiFile; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class ShowErrorDescriptionAction extends BaseCodeInsightAction implements DumbAware { |
| private static int width; |
| private static boolean shouldShowDescription = false; |
| private static boolean descriptionShown = true; |
| |
| public ShowErrorDescriptionAction() { |
| setEnabledInModalContext(true); |
| } |
| |
| @NotNull |
| @Override |
| protected CodeInsightActionHandler getHandler() { |
| return new ShowErrorDescriptionHandler(shouldShowDescription ? width : 0); |
| } |
| |
| @Override |
| protected boolean isValidForFile(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) { |
| return DaemonCodeAnalyzer.getInstance(project).isHighlightingAvailable(file) && isEnabledForFile(project, editor, file); |
| } |
| |
| private static boolean isEnabledForFile(Project project, Editor editor, PsiFile file) { |
| DaemonCodeAnalyzer codeAnalyzer = DaemonCodeAnalyzer.getInstance(project); |
| HighlightInfo info = |
| ((DaemonCodeAnalyzerImpl)codeAnalyzer).findHighlightByOffset(editor.getDocument(), editor.getCaretModel().getOffset(), false); |
| return info != null && info.getDescription() != null; |
| } |
| |
| @Override |
| public void beforeActionPerformedUpdate(@NotNull final AnActionEvent e) { |
| super.beforeActionPerformedUpdate(e); |
| changeState(); |
| } |
| |
| private static void changeState() { |
| if (Comparing.strEqual(ActionManagerEx.getInstanceEx().getPrevPreformedActionId(), IdeActions.ACTION_SHOW_ERROR_DESCRIPTION)) { |
| shouldShowDescription = descriptionShown; |
| } else { |
| shouldShowDescription = false; |
| descriptionShown = true; |
| } |
| } |
| |
| public static void rememberCurrentWidth(int currentWidth) { |
| width = currentWidth; |
| descriptionShown = !shouldShowDescription; |
| } |
| |
| } |