Java 类com.intellij.ui.JBListWithHintProvider 实例源码

@NotNull
private JList getRunConfigList() {
  final JList runConfigList = robot.finder().findByType(JBListWithHintProvider.class);

  pause(new Condition("Wait until the list is populated.") {
    @Override
    public boolean test() {
      //noinspection ConstantConditions
      return execute(new GuiQuery<Boolean>() {
        @Override
        protected Boolean executeInEDT() throws Throwable {
          return runConfigList.getComponentCount() >= 2; // At least 2, since there is always one option present (the option to edit).
        }
      });
    }
  }, SHORT_TIMEOUT);

  Object selectedValue = execute(new GuiQuery<Object>() {
    @Override
    protected Object executeInEDT() throws Throwable {
      return runConfigList.getSelectedValue();
    }
  });
  assertThat(selectedValue).isInstanceOf(PopupFactoryImpl.ActionItem.class);

  return runConfigList;
}

@NotNull
public static <T extends PsiElement> JBPopup getPsiElementPopup(@NotNull T[] elements,
                                                                @NotNull final PsiElementListCellRenderer<T> renderer,
                                                                @Nullable final String title,
                                                                @NotNull final PsiElementProcessor<T> processor,
                                                                @Nullable final T selection) {
  final JList list = new JBListWithHintProvider(elements) {
    @Nullable
    @Override
    protected PsiElement getPsiElementForHint(Object selectedValue) {
      return (PsiElement)selectedValue;
    }
  };
  list.setCellRenderer(renderer);
  if (selection != null) {
    list.setSelectedValue(selection, true);
  }

  final Runnable runnable = new Runnable() {
    @Override
    public void run() {
      int[] ids = list.getSelectedIndices();
      if (ids == null || ids.length == 0) return;
      for (Object element : list.getSelectedValues()) {
        if (element != null) {
          processor.execute((T)element);
        }
      }
    }
  };

  PopupChooserBuilder builder = new PopupChooserBuilder(list);
  if (title != null) {
    builder.setTitle(title);
  }
  renderer.installSpeedSearch(builder, true);

  return builder.setItemChoosenCallback(runnable).createPopup();
}

@Override
public void beforeShown(final LightweightWindowEvent windowEvent) {
  final Lookup activeLookup = LookupManager.getInstance(myProject).getActiveLookup();
  if (activeLookup != null) {
    activeLookup.addLookupListener(new LookupAdapter() {
      @Override
      public void currentItemChanged(LookupEvent event) {
        if (windowEvent.asPopup().isVisible()) { //was not canceled yet
          final LookupElement item = event.getItem();
          if (item != null) {
            PsiElement targetElement = CompletionUtil.getTargetElement(item);
            if (targetElement == null) {
              targetElement = DocumentationManager.getInstance(myProject).getElementFromLookup(activeLookup.getEditor(), activeLookup.getPsiFile());
            }

            updatePopup(targetElement); //open next
          }
        } else {
          activeLookup.removeLookupListener(this);
        }
      }
    });
  }
  else {
    final Component focusedComponent = WindowManagerEx.getInstanceEx().getFocusedComponent(myProject);
    boolean fromQuickSearch = focusedComponent != null && focusedComponent.getParent() instanceof ChooseByNameBase.JPanelProvider;
    if (fromQuickSearch) {
      ChooseByNameBase.JPanelProvider panelProvider = (ChooseByNameBase.JPanelProvider)focusedComponent.getParent();
      panelProvider.registerHint(windowEvent.asPopup());
    } else if (focusedComponent != null) {
      if (focusedComponent instanceof JBListWithHintProvider) {
        ((JBListWithHintProvider)focusedComponent).registerHint(windowEvent.asPopup());
      } else if (focusedComponent instanceof JBTableWithHintProvider) {
        ((JBTableWithHintProvider)focusedComponent).registerHint(windowEvent.asPopup());
      } else if (focusedComponent instanceof JBTreeWithHintProvider) {
        ((JBTreeWithHintProvider)focusedComponent).registerHint(windowEvent.asPopup());
      }
    }
  }
}