if (oldLocation == -1) {
addComponent(newComponent);
} else if (newLocation == -1) {
+ if (selected == oldComponent) {
+ setSelected(null);
+ }
removeComponent(oldComponent);
newTab = addTab(newComponent, oldLocation);
if (selectAfterInserting) {
setSelected(newComponent);
+ //SelectedTabChangeEvent should be fired here as selected Tab is changed.
+ //Other cases are handled implicitly by removeComponent() and addComponent()addTab()
+ fireSelectedTabChange();
}
// Tab associations are not changed, but metadata is swapped between
import com.vaadin.ui.Component;
import com.vaadin.ui.Label;
import com.vaadin.ui.TabSheet;
+import com.vaadin.ui.TabSheet.SelectedTabChangeEvent;
+import com.vaadin.ui.TabSheet.SelectedTabChangeListener;
import com.vaadin.ui.TabSheet.Tab;
public class TabSheetTest {
assertEquals("description", tab1.getDescription());
assertEquals(1, tabSheet.getTabPosition(tabSheet.getTab(lbl3)));
}
+
+ @Test
+ public void testSelectedTabChangeEvent_whenComponentReplaced() {
+
+ // given
+ final class SelectedTabExpectedComponentListener
+ implements SelectedTabChangeListener {
+
+ private Component actualComponent;
+
+ @Override
+ public void selectedTabChange(SelectedTabChangeEvent event) {
+ actualComponent = event.getTabSheet().getSelectedTab();
+
+ }
+
+ public void assertActualComponentIs(Component expectedComponent) {
+ assertEquals(expectedComponent, actualComponent);
+ actualComponent = null;
+ }
+ }
+ TabSheet tabSheet = new TabSheet();
+ final Label lbl1 = new Label("aaa");
+ final Label lbl2 = new Label("bbb");
+ final Label lbl3 = new Label("ccc");
+ final Label lbl4 = new Label("ddd");
+ tabSheet.addComponent(lbl1);
+ tabSheet.addComponent(lbl2);
+ tabSheet.addComponent(lbl3);
+ tabSheet.setSelectedTab(lbl2);
+ SelectedTabExpectedComponentListener listener = new SelectedTabExpectedComponentListener();
+ tabSheet.addSelectedTabChangeListener(listener);
+
+ // when selected tab is replaced with new Component
+ tabSheet.replaceComponent(lbl2, lbl4);
+
+ // then
+ listener.assertActualComponentIs(lbl4);
+ assertEquals(lbl4, tabSheet.getSelectedTab());
+
+ // when not selected tab is replaced with new Component
+ tabSheet.replaceComponent(lbl1, lbl2);
+
+ // then
+ assertEquals(lbl4, tabSheet.getSelectedTab());
+
+ // when not selected tab is replaced with existing Component
+ tabSheet.replaceComponent(lbl2, lbl3);
+
+ // then
+ assertEquals(lbl4, tabSheet.getSelectedTab());
+
+ // when selected tab is replaced with existing Component (locations are
+ // just swapped)
+ tabSheet.replaceComponent(lbl4, lbl3);
+
+ // then
+ listener.assertActualComponentIs(lbl3);
+ assertEquals(lbl3, tabSheet.getSelectedTab());
+ }
}