Big merge from experimental to bleeding edge.

editor/tools/plugins/com.google.dart.tools.ui.web/src/com/google/dart/tools/ui/web/utils/WebEditorAutoIndentStrategy.java

-/*
- * Copyright (c) 2012, the Dart project authors.
- * 
- * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
- * 
- * 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.google.dart.tools.ui.web.utils;
-
-import org.eclipse.jface.text.DefaultIndentLineAutoEditStrategy;
-import org.eclipse.jface.text.DocumentCommand;
-import org.eclipse.jface.text.IDocument;
-import org.eclipse.jface.text.TextUtilities;
-
-/**
- * An abstract implementation for auto-indent strategies.
- */
-public abstract class WebEditorAutoIndentStrategy extends DefaultIndentLineAutoEditStrategy {
-
-  public WebEditorAutoIndentStrategy() {
-
-  }
-
-  @Override
-  public final void customizeDocumentCommand(IDocument d, DocumentCommand c) {
-    if (c.length == 0 && c.text != null
-        && TextUtilities.endsWith(d.getLegalLineDelimiters(), c.text) != -1) {
-      doAutoIndentAfterNewLine(d, c);
-    }
-  }
-
-  protected abstract void doAutoIndentAfterNewLine(IDocument d, DocumentCommand c);
-
-}