| /* |
| * 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.user.client.ui; |
| |
| import com.google.gwt.core.client.Scheduler; |
| import com.google.gwt.core.client.Scheduler.ScheduledCommand; |
| import com.google.gwt.junit.DoNotRunWith; |
| import com.google.gwt.junit.Platform; |
| import com.google.gwt.user.client.Timer; |
| |
| import java.util.Iterator; |
| import java.util.NoSuchElementException; |
| |
| /** |
| * Tests for {@link HeaderPanel}. |
| */ |
| public class HeaderPanelTest extends PanelTestBase<HeaderPanel> { |
| |
| public void testAdd() { |
| HeaderPanel panel = createPanel(); |
| |
| // Add the header first. |
| Label header = new Label("header"); |
| panel.add(header); |
| assertEquals(header, panel.getHeaderWidget()); |
| assertEquals(null, panel.getContentWidget()); |
| assertEquals(null, panel.getFooterWidget()); |
| |
| // Add the content second. |
| Label content = new Label("content"); |
| panel.add(content); |
| assertEquals(header, panel.getHeaderWidget()); |
| assertEquals(content, panel.getContentWidget()); |
| assertEquals(null, panel.getFooterWidget()); |
| |
| // Add the footer third. |
| Label footer = new Label("footer"); |
| panel.add(footer); |
| assertEquals(header, panel.getHeaderWidget()); |
| assertEquals(content, panel.getContentWidget()); |
| assertEquals(footer, panel.getFooterWidget()); |
| |
| // Cannot add a fourth widget. |
| try { |
| panel.add(new Label()); |
| fail("Expected IllegalStateException"); |
| } catch (IllegalStateException e) { |
| // Expected. |
| } |
| } |
| |
| public void testIterator() { |
| final HeaderPanel panel = createPanel(); |
| |
| // Empty iterator. |
| Iterator<Widget> iter = panel.iterator(); |
| assertFalse(iter.hasNext()); |
| try { |
| iter.next(); |
| fail("Expected NoSuchElementException"); |
| } catch (NoSuchElementException e) { |
| // Expected. |
| } |
| try { |
| iter.remove(); |
| fail("Expected IllegalStateException"); |
| } catch (IllegalStateException e) { |
| // Expected. |
| } |
| |
| // Only a content. |
| Label content = new Label("content"); |
| panel.setContentWidget(content); |
| iter = panel.iterator(); |
| assertTrue(iter.hasNext()); |
| assertEquals(content, iter.next()); |
| assertFalse(iter.hasNext()); |
| try { |
| iter.next(); |
| fail("Expected NoSuchElementException"); |
| } catch (NoSuchElementException e) { |
| // Expected. |
| } |
| |
| // Header, Content, Footer. |
| Label header = new Label("header"); |
| Label footer = new Label("footer"); |
| panel.setHeaderWidget(header); |
| panel.setFooterWidget(footer); |
| iter = panel.iterator(); |
| assertTrue(iter.hasNext()); |
| assertEquals(header, iter.next()); |
| assertTrue(iter.hasNext()); |
| assertEquals(content, iter.next()); |
| assertTrue(iter.hasNext()); |
| assertEquals(footer, iter.next()); |
| assertFalse(iter.hasNext()); |
| try { |
| iter.next(); |
| fail("Expected NoSuchElementException"); |
| } catch (NoSuchElementException e) { |
| // Expected. |
| } |
| |
| // Remove Content. |
| iter = panel.iterator(); |
| assertEquals(header, iter.next()); |
| assertEquals(content, iter.next()); |
| iter.remove(); |
| assertEquals(header, panel.getHeaderWidget()); |
| assertNull(panel.getContentWidget()); |
| assertEquals(footer, panel.getFooterWidget()); |
| try { |
| iter.remove(); |
| fail("Expected IllegalStateException"); |
| } catch (IllegalStateException e) { |
| // Expected - cannot remove twice. |
| } |
| assertEquals(footer, iter.next()); |
| } |
| |
| @DoNotRunWith(Platform.HtmlUnitLayout) |
| public void testResizeFooter() { |
| final HeaderPanel panel = createPanel(); |
| panel.setSize("200px", "400px"); |
| RootPanel.get().add(panel); |
| |
| final Label header = new Label(); |
| header.setSize("100%", "50px"); |
| panel.setHeaderWidget(header); |
| |
| final Label content = new Label(); |
| content.setHeight("100%"); |
| panel.setContentWidget(content); |
| |
| final Label footer = new Label(); |
| footer.setSize("100%", "50px"); |
| panel.setFooterWidget(footer); |
| |
| delayTestFinish(5000); |
| Scheduler.get().scheduleDeferred(new ScheduledCommand() { |
| public void execute() { |
| assertEquals(300, content.getOffsetHeight()); |
| |
| // Resize the footer. |
| footer.setHeight("75px"); |
| new Timer() { |
| @Override |
| public void run() { |
| assertEquals(275, content.getOffsetHeight()); |
| RootPanel.get().remove(panel); |
| finishTest(); |
| } |
| }.schedule(250);; |
| } |
| }); |
| } |
| |
| @DoNotRunWith(Platform.HtmlUnitLayout) |
| public void testResizeHeader() { |
| final HeaderPanel panel = createPanel(); |
| panel.setSize("200px", "400px"); |
| RootPanel.get().add(panel); |
| |
| final Label header = new Label(); |
| header.setSize("100%", "50px"); |
| panel.setHeaderWidget(header); |
| |
| final Label content = new Label(); |
| content.setHeight("100%"); |
| panel.setContentWidget(content); |
| |
| final Label footer = new Label(); |
| footer.setSize("100%", "50px"); |
| panel.setFooterWidget(footer); |
| |
| delayTestFinish(5000); |
| Scheduler.get().scheduleDeferred(new ScheduledCommand() { |
| public void execute() { |
| assertEquals(300, content.getOffsetHeight()); |
| |
| // Resize the header. |
| header.setHeight("75px"); |
| new Timer() { |
| @Override |
| public void run() { |
| assertEquals(275, content.getOffsetHeight()); |
| RootPanel.get().remove(panel); |
| finishTest(); |
| } |
| }.schedule(250);; |
| } |
| }); |
| } |
| |
| public void testSetContentWidget() { |
| HeaderPanel panel = createPanel(); |
| Label widget = new Label("hello world"); |
| panel.setContentWidget(widget); |
| assertEquals(widget, panel.getContentWidget()); |
| |
| panel.remove(widget); |
| assertNull(panel.getContentWidget()); |
| } |
| |
| public void testSetFooterWidget() { |
| HeaderPanel panel = createPanel(); |
| Label widget = new Label("hello world"); |
| panel.setHeaderWidget(widget); |
| assertEquals(widget, panel.getHeaderWidget()); |
| |
| panel.remove(widget); |
| assertNull(panel.getHeaderWidget()); |
| } |
| |
| public void testSetHeaderWidget() { |
| HeaderPanel panel = createPanel(); |
| Label widget = new Label("hello world"); |
| panel.setFooterWidget(widget); |
| assertEquals(widget, panel.getFooterWidget()); |
| |
| panel.remove(widget); |
| assertNull(panel.getFooterWidget()); |
| } |
| |
| @Override |
| protected HeaderPanel createPanel() { |
| return new HeaderPanel(); |
| } |
| |
| @Override |
| protected boolean supportsMultipleWidgets() { |
| // HeaderPanel supports up to 3 widgets, but not an unbounded number. |
| return false; |
| } |
| } |