| /* |
| * Copyright 2000-2014 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.openapi.editor.actionSystem; |
| |
| import com.intellij.openapi.actionSystem.CommonDataKeys; |
| import com.intellij.openapi.actionSystem.DataContext; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.editor.*; |
| import com.intellij.openapi.editor.event.DocumentEvent; |
| import com.intellij.openapi.editor.event.MockDocumentEvent; |
| import com.intellij.openapi.fileEditor.FileDocumentManager; |
| import com.intellij.openapi.project.Project; |
| import org.jetbrains.annotations.Nullable; |
| |
| public abstract class EditorWriteActionHandler extends EditorActionHandler { |
| private boolean inExecution; |
| |
| protected EditorWriteActionHandler() { |
| } |
| |
| protected EditorWriteActionHandler(boolean runForEachCaret) { |
| super(runForEachCaret); |
| } |
| |
| @Override |
| public final void doExecute(final Editor editor, @Nullable final Caret caret, final DataContext dataContext) { |
| if (editor.isViewer()) return; |
| |
| if (dataContext != null) { |
| Project project = CommonDataKeys.PROJECT.getData(dataContext); |
| if (project != null && !FileDocumentManager.getInstance().requestWriting(editor.getDocument(), project)) return; |
| } |
| |
| ApplicationManager.getApplication().runWriteAction(new DocumentRunnable(editor.getDocument(),editor.getProject()) { |
| @Override |
| public void run() { |
| final Document doc = editor.getDocument(); |
| final SelectionModel selectionModel = editor.getSelectionModel(); |
| if (selectionModel.hasBlockSelection()) { |
| RangeMarker guard = selectionModel.getBlockSelectionGuard(); |
| if (guard != null) { |
| DocumentEvent evt = new MockDocumentEvent(editor.getDocument(), editor.getCaretModel().getOffset()); |
| ReadOnlyFragmentModificationException e = new ReadOnlyFragmentModificationException(evt, guard); |
| EditorActionManager.getInstance().getReadonlyFragmentModificationHandler(doc).handle(e); |
| return; |
| } |
| } |
| |
| doc.startGuardedBlockChecking(); |
| try { |
| executeWriteAction(editor, caret, dataContext); |
| } |
| catch (ReadOnlyFragmentModificationException e) { |
| EditorActionManager.getInstance().getReadonlyFragmentModificationHandler(doc).handle(e); |
| } |
| finally { |
| doc.stopGuardedBlockChecking(); |
| } |
| } |
| }); |
| } |
| |
| /** |
| * @deprecated Use/override |
| * {@link #executeWriteAction(com.intellij.openapi.editor.Editor, com.intellij.openapi.editor.Caret, com.intellij.openapi.actionSystem.DataContext)} |
| * instead. |
| */ |
| public void executeWriteAction(Editor editor, DataContext dataContext) { |
| if (inExecution) { |
| return; |
| } |
| try { |
| inExecution = true; |
| executeWriteAction(editor, editor.getCaretModel().getCurrentCaret(), dataContext); |
| } |
| finally { |
| inExecution = false; |
| } |
| } |
| |
| public void executeWriteAction(Editor editor, @Nullable Caret caret, DataContext dataContext) { |
| if (inExecution) { |
| return; |
| } |
| try { |
| inExecution = true; |
| //noinspection deprecation |
| executeWriteAction(editor, dataContext); |
| } |
| finally { |
| inExecution = false; |
| } |
| } |
| } |