/*
* Copyright 2000-2007 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.DataContext;
import com.intellij.openapi.actionSystem.DataKeys;
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;
public abstract class EditorWriteActionHandler extends EditorActionHandler {
public final void execute(final Editor editor, final DataContext dataContext) {
if (editor.isViewer()) return;
if (!editor.getDocument().isWritable()) {
if (!FileDocumentManager.fileForDocumentCheckedOutSuccessfully(editor.getDocument(), DataKeys.PROJECT.getData(dataContext)))
return;
}
ApplicationManager.getApplication().runWriteAction(new Runnable() {
public void run() {
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().handle(e);
return;
}
}
Document doc = editor.getDocument();
doc.startGuardedBlockChecking();
try {
executeWriteAction(editor, dataContext);
}
catch (ReadOnlyFragmentModificationException e) {
EditorActionManager.getInstance().getReadonlyFragmentModificationHandler().handle(e);
}
finally {
doc.stopGuardedBlockChecking();
}
}
});
}
public abstract void executeWriteAction(Editor editor, DataContext dataContext);
}