| /* |
| * Copyright 2009 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.museum.client.common; |
| |
| import com.google.gwt.user.client.ui.CaptionPanel; |
| import com.google.gwt.user.client.ui.Composite; |
| import com.google.gwt.user.client.ui.HasWidgets; |
| import com.google.gwt.user.client.ui.HorizontalPanel; |
| import com.google.gwt.user.client.ui.VerticalPanel; |
| import com.google.gwt.user.client.ui.Widget; |
| |
| import java.util.Iterator; |
| |
| /** |
| * Helper class to avoid manually assembling vertical and horizontal panels for |
| * these tests. It acts like a "typewriter" layout. |
| * |
| * So, for instance |
| * <pre> |
| * // assume the existence of widgets a-z |
| * SimpleLayout layout = new SimpleLayout(); |
| * layout.add(a); |
| * layout.add(b); |
| * layout.nextRow(); |
| * layout.add(c); |
| * layout.nextRow(); |
| * layout.add(d); |
| * layout.add(e); |
| *</pre> |
| * |
| * would be rendered as: |
| * <pre> |
| * a b |
| * c |
| * d e |
| * </pre> |
| * */ |
| public class SimpleLayout extends Composite implements HasWidgets { |
| |
| private final VerticalPanel master = new VerticalPanel(); |
| private VerticalPanel allRows = new VerticalPanel(); |
| private HorizontalPanel currentRow; |
| |
| public SimpleLayout() { |
| initWidget(master); |
| master.add(allRows); |
| nextRow(); |
| } |
| |
| /** |
| * Adds a widget to the current row with the given caption. |
| */ |
| public void add(String caption, Widget w) { |
| CaptionPanel c = new CaptionPanel(caption); |
| c.add(w); |
| add(c); |
| } |
| |
| /** |
| * Adds a widget to the current row. |
| */ |
| public void add(Widget w) { |
| currentRow.add(w); |
| } |
| |
| /** |
| * Adds a footer to this layout table, the footer is guaranteed to be beneath |
| * all the rows. |
| */ |
| public void addFooter(Widget w) { |
| master.add(w); |
| } |
| |
| public void clear() { |
| master.clear(); |
| } |
| |
| public Iterator<Widget> iterator() { |
| return master.iterator(); |
| } |
| |
| /** |
| * Creates another row. After creating this row, all widgets added using |
| * {@link #add(Widget)} and {@link #add(String, Widget)} will be added to the |
| * new row. |
| */ |
| public void nextRow() { |
| currentRow = new HorizontalPanel(); |
| allRows.add(currentRow); |
| } |
| |
| public boolean remove(Widget w) { |
| return master.remove(w); |
| } |
| } |