| /* |
| * Copyright 2011 Google Inc. |
| * |
| * 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.google.gwt.editor.client.impl; |
| |
| import com.google.gwt.editor.client.EditorContext; |
| import com.google.gwt.editor.client.EditorVisitor; |
| import com.google.gwt.editor.client.LeafValueEditor; |
| import com.google.gwt.editor.client.ValueAwareEditor; |
| |
| /** |
| * A lightweight peer to {@link Initializer} which simply resets the values in |
| * the editor and delegate hiererchy. |
| */ |
| public class Refresher extends EditorVisitor { |
| @Override |
| public <Q> boolean visit(EditorContext<Q> ctx) { |
| Q toSet = ctx.getFromModel(); |
| @SuppressWarnings("unchecked") |
| AbstractEditorDelegate<Q, ?> delegate = (AbstractEditorDelegate<Q, ?>) ctx.getEditorDelegate(); |
| if (delegate != null) { |
| delegate.setObject(delegate.ensureMutable(toSet)); |
| delegate.setDirty(false); |
| } |
| ValueAwareEditor<Q> asValue = ctx.asValueAwareEditor(); |
| if (asValue != null) { |
| // Call setValue for ValueAware, non-leaf editors |
| asValue.setValue(toSet); |
| } else { |
| LeafValueEditor<Q> asLeaf = ctx.asLeafValueEditor(); |
| if (asLeaf != null) { |
| // Call setvalue for LeafValueEditors. |
| asLeaf.setValue(toSet); |
| } |
| } |
| return true; |
| } |
| } |