/*
* Copyright 2008 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.shared.impl.StringCase;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.TableCellElement;
import com.google.gwt.junit.client.GWTTestCase;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;
import com.google.gwt.user.client.ui.HTMLTable.Cell;
import com.google.gwt.user.client.ui.HTMLTable.CellFormatter;
import com.google.gwt.user.client.ui.HTMLTable.ColumnFormatter;
import com.google.gwt.user.client.ui.HTMLTable.RowFormatter;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
/**
* Base test for HTMLTable derived classes.
*/
public abstract class HTMLTableTestBase extends GWTTestCase {
static class Adder implements HasWidgetsTester.WidgetAdder {
private int row = -1;
@Override
public void addChild(HasWidgets container, Widget child) {
((HTMLTable) container).setWidget(++row, 0, child);
}
}
private static final String html = "<b>hello</b><i>world</i>";
public static void assertEquals(Object[] x, Object[] y) {
assertEquals(x.length, y.length);
for (int i = 0; i < y.length; i++) {
assertEquals(x[i], y[i]);
}
}
/**
* Easy way to test what should be in a list.
*/
protected static void assertEquals(Object[] array, List<?> target) {
if (target.size() != array.length) {
fail(target + " should be the same length as" + Arrays.toString(array));
}
for (int i = 0; i < array.length; i++) {
assertEquals(target.get(i), array[i]);
}
}
@Override
public String getModuleName() {
return "com.google.gwt.user.DebugTest";
}
public abstract HTMLTable getTable(int row, int column);
public void testAttachDetachOrder() {
HasWidgetsTester.testAll(getTable(25, 1), new Adder(), true);
}
public void testBoundsOnEmptyTable() {
HTMLTable t = getTable(0, 0);
try {
t.getCellFormatter().getElement(4, 5);
} catch (IndexOutOfBoundsException e) {
return;
}
fail("should have throw an index out of bounds");
}
/**
* Tests for {@link HTMLTable.Cell}.
*/
public void testCell() {
HTMLTable table = getTable(1, 4);
table.setText(0, 3, "test");
Cell cell = table.new Cell(0, 3);
assertEquals(0, cell.getRowIndex());
assertEquals(3, cell.getCellIndex());
TableCellElement elem = cell.getElement().cast();
assertEquals(3, elem.getCellIndex());
assertEquals("test", elem.getInnerText());
}
public void testClearWidgetsAndHtml() {
HTMLTable table = getTable(4, 4);
for (int row = 0; row < 4; row++) {
table.setHTML(row, 0, row + ":0");
table.setHTML(row, 1, row + ":1");
table.setWidget(row, 2, new Button(row + ":2"));
table.setWidget(row, 3, new Button(row + ":3"));
}
table.clear(true);
for (int row = 0; row < 4; row++) {
assertEquals("", table.getHTML(row, 0).trim());
assertEquals("", table.getHTML(row, 1).trim());
assertEquals("", table.getHTML(row, 2).trim());
assertNull(table.getWidget(row, 2));
assertEquals("", table.getHTML(row, 3).trim());
assertNull(table.getWidget(row, 3));
}
}
public void testClearWidgetsOnly() {
HTMLTable table = getTable(4, 4);
for (int row = 0; row < 4; row++) {
table.setHTML(row, 0, row + ":0");
table.setHTML(row, 1, row + ":1");
table.setWidget(row, 2, new Button(row + ":2"));
table.setWidget(row, 3, new Button(row + ":3"));
}
table.clear();
for (int row = 0; row < 4; row++) {
assertEquals(row + ":0", table.getHTML(row, 0));
assertEquals(row + ":1", table.getHTML(row, 1));
assertEquals("", table.getHTML(row, 2).trim());
assertNull(table.getWidget(row, 2));
assertEquals("", table.getHTML(row, 3).trim());
assertNull(table.getWidget(row, 3));
}
}
public void testColumnFormatter() {
HTMLTable table = getTable(4, 4);
ColumnFormatter formatter = table.getColumnFormatter();
Element colGroup = formatter.columnGroup;
// getElement.
Element col0 = formatter.getElement(0);
assertEquals(colGroup.getChild(0), col0);
Element col3 = formatter.getElement(3);
assertEquals(colGroup.getChild(3), col3);
try {
formatter.getElement(-1);
fail("Expected IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
// Expected.
}
}
public void testDebugId() {
HTMLTable table = getTable(4, 3);
for (int row = 0; row < 4; row++) {
for (int cell = 0; cell < 3; cell++) {
table.setHTML(row, cell, row + ":" + cell);
}
}
// Check the Debug IDs
table.ensureDebugId("myTable");
UIObjectTest.assertDebugId("myTable", table.getElement());
CellFormatter formatter = table.getCellFormatter();
for (int row = 0; row < 4; row++) {
for (int cell = 0; cell < 3; cell++) {
Element cellElem = formatter.getElement(row, cell);
UIObjectTest.assertDebugId("myTable-" + row + "-" + cell, cellElem);
}
}
}
public void testDoubleSet() {
HTMLTable t = getTable(4, 4);
t.setWidget(0, 0, new Label());
Widget s = new Label();
t.setWidget(0, 0, s);
assertEquals(s, t.getWidget(0, 0));
}
public void testIterator() {
// Check remove.
HTMLTable t = getTable(5, 5);
Label l = new Label("hello");
t.setWidget(0, 0, l);
Iterator<Widget> iter = t.iterator();
assertEquals(l, iter.next());
iter.remove();
Iterator<Widget> iter2 = t.iterator();
assertFalse(iter2.hasNext());
// Check put after remove.
Widget w = new Label("bo");
t.setWidget(0, 0, w);
Iterator<Widget> iter3 = t.iterator();
assertEquals(w, iter3.next());
assertFalse(iter3.hasNext());
// Check swapping widgets.
Widget w2 = new Label("ba");
t.setWidget(0, 0, w2);
Iterator<Widget> iter4 = t.iterator();
assertEquals(w2, iter4.next());
assertFalse(iter4.hasNext());
// Check put after put.
Widget w3 = new Label("be");
t.setWidget(1, 1, w3);
Iterator<Widget> iter5 = t.iterator();
assertEquals(w2, iter5.next());
assertEquals(w3, iter5.next());
assertFalse(iter5.hasNext());
}
public void testSetColumnFormatter() {
HTMLTable t = getTable(1, 1);
Element columnGroup = t.getColumnFormatter().columnGroup;
assertNotNull(columnGroup);
ColumnFormatter formatter = t.new ColumnFormatter();
assertNull(formatter.columnGroup);
t.setColumnFormatter(formatter);
assertEquals(columnGroup, formatter.columnGroup);
}
/**
* Tests {@link HTMLTable#setWidget(int, int, Widget)}.
*/
public void testSetWidget() {
HTMLTable t = getTable(2, 2);
Widget widget = new Label("foo");
t.setWidget(1, 1, widget);
assertLogicalPaternity(t, widget);
assertPhysicalPaternityInPosition(t, widget, 1, 1);
}
/**
* Tests {@link HTMLTable#setWidget(int, int, IsWidget)}.
*/
public void testSetWidgetAsIsWidget() {
HTMLTable t = getTable(2, 2);
Widget widget = new Label("foo");
// IsWidget cast to call the overloaded version
t.setWidget(1, 1, (IsWidget) widget);
assertLogicalPaternity(t, widget);
assertPhysicalPaternityInPosition(t, widget, 1, 1);
}
/**
* Ensures that {@link HTMLTable#setWidget(int, int, IsWidget)} does
* <b>NOT</b> throws a {@link NullPointerException} when the Widget argument
* is <code>null</code>, for compatibility with setWidget(Widget) foolishness.
*/
public void testSetNullWidgetAsIsWidget() {
HTMLTable t = getTable(2, 2);
// IsWidget reference to call the overloaded version
IsWidget widget = null;
t.setWidget(1, 1, widget);
// ta da...
}
public void testSettingCellAttributes() {
// These tests simple test for errors while setting these fields. The
// Patient sample under the survey project has the visual part of the test.
HTMLTable t = getTable(4, 4);
CellFormatter formatter = t.getCellFormatter();
formatter.setHeight(0, 0, "100%");
formatter.setVerticalAlignment(0, 1, HasVerticalAlignment.ALIGN_BOTTOM);
formatter.setHorizontalAlignment(1, 1, HasHorizontalAlignment.ALIGN_RIGHT);
formatter.setWidth(0, 2, "100%");
}
public void testSetWidgetNull() {
HTMLTable t = getTable(1, 2);
// Set some text and a widget.
Label content = new Label("widget");
t.setText(0, 0, "hello world");
t.setWidget(0, 1, content);
assertEquals("hello world", t.getText(0, 0));
assertEquals(content, t.getWidget(0, 1));
// Set the text cell to a null widget.
t.setWidget(0, 0, null);
assertEquals("text should be cleared when the widget is set to null", "",
t.getText(0, 0));
assertEquals("widget should be cleared when set to null", content,
t.getWidget(0, 1));
// Set the widget cell to a null widget.
t.setWidget(0, 1, null);
assertEquals("", t.getText(0, 0));
assertNull(t.getWidget(0, 1));
}
public void testSafeHtml() {
HTMLTable table = getTable(1, 1);
table.setHTML(0, 0, SafeHtmlUtils.fromSafeConstant(html));
assertEquals(html, StringCase.toLower(table.getHTML(0, 0)));
}
public void testStyles() {
HTMLTable t = getTable(4, 4);
t.getCellFormatter().setStyleName(2, 2, "hello");
assertEquals("hello", t.getCellFormatter().getStyleName(2, 2));
t.getCellFormatter().setStyleName(2, 2, "goodbye");
t.getCellFormatter().addStyleName(2, 2, "hello");
// Visable Styles.
t.getCellFormatter().setVisible(0, 0, false);
assertTrue(t.getCellFormatter().isVisible(2, 2));
assertFalse(t.getCellFormatter().isVisible(0, 0));
RowFormatter formatter = t.getRowFormatter();
formatter.setVisible(3, false);
assertFalse(formatter.isVisible(3));
assertTrue(formatter.isVisible(2));
assertTrue(t.getCellFormatter().isVisible(2, 0));
// Style name.
assertEquals("goodbye hello", t.getCellFormatter().getStyleName(2, 2));
t.getRowFormatter().setStyleName(3, "newStyle");
assertEquals("newStyle", t.getRowFormatter().getStyleName(3));
}
private void assertPhysicalPaternityInPosition(HTMLTable parent,
Widget child, int row, int column) {
assertSame("The child should be in te given position", child,
parent.getWidget(row, column));
}
private void assertLogicalPaternity(HTMLTable parent, Widget child) {
Iterator<Widget> iterator = parent.iterator();
assertTrue(iterator.hasNext());
assertSame(child, iterator.next());
}
}