"}");
frame.refresh();
HTMLTableInfo panel = (HTMLTableInfo) frame.getChildrenWidgets().get(0);
WidgetInfo button = panel.getChildrenWidgets().get(0);
// prepare accessor
ExpressionAccessor accessor = new CellFormatterExpressionAccessor("setVisible", "boolean");
// initially no Expression
assertNull(accessor.getExpression(button));
// try to remove Expression, no changes
{
String expectedSource = m_lastEditor.getSource();
boolean success = accessor.setExpression(button, null);
assertFalse(success);
assertEditor(expectedSource, m_lastEditor);
}
// add new Expression
{
boolean success = accessor.setExpression(button, "true");
assertTrue(success);
assertEditor(
"public class Test implements EntryPoint {",
" public void onModuleLoad() {",
" RootPanel rootPanel = RootPanel.get();",
" FlexTable panel = new FlexTable();",
" rootPanel.add(panel);",
" panel.setWidget(0, 0, new Button());",
" panel.getCellFormatter().setVisible(0, 0, true);",
" }",
"}");
}
// now we have Expression
{
Expression expression = accessor.getExpression(button);
assertNotNull(expression);
assertEquals("true", m_lastEditor.getSource(expression));
}
// update Expression
{
boolean hasChanges = accessor.setExpression(button, "false");
assertTrue(hasChanges);
assertEditor(
"public class Test implements EntryPoint {",
" public void onModuleLoad() {",
" RootPanel rootPanel = RootPanel.get();",
" FlexTable panel = new FlexTable();",
" rootPanel.add(panel);",
" panel.setWidget(0, 0, new Button());",
" panel.getCellFormatter().setVisible(0, 0, false);",
" }",
"}");
}
// set same Expression, no changes
{
String expectedSource = m_lastEditor.getSource();
boolean success = accessor.setExpression(button, "false");
assertTrue(success);
assertEditor(expectedSource, m_lastEditor);
}
// remove Expression
{
boolean success = accessor.setExpression(button, null);
assertTrue(success);
assertEditor(
"public class Test implements EntryPoint {",
" public void onModuleLoad() {",
" RootPanel rootPanel = RootPanel.get();",
" FlexTable panel = new FlexTable();",
" rootPanel.add(panel);",
" panel.setWidget(0, 0, new Button());",
" }",
"}");
}
// again no Expression
assertNull(accessor.getExpression(button));
}