Package com.google.gwt.user.client.ui

## Class SuggestBox.SuggestionDisplay

- java.lang.Object
- - com.google.gwt.user.client.ui.SuggestBox.SuggestionDisplay

- Direct Known Subclasses:
    `SuggestBox.DefaultSuggestionDisplay`
  Enclosing class:
    SuggestBox

      public abstract static class SuggestBox.SuggestionDisplay
      extends java.lang.Object

  Used to display suggestions to the user.

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `SuggestionDisplay()` |

  - ### Method Summary

    All Methods Instance Methods Abstract Methods Concrete Methods Deprecated Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `protected abstract SuggestOracle.Suggestion` | `getCurrentSelection()` | Get the currently selected `SuggestOracle.Suggestion` in the display.
    `protected abstract void` | `hideSuggestions()` | Hide the list of suggestions from view.
    `(package private) boolean` | `isAnimationEnabledImpl()` | Deprecated. implemented in DefaultSuggestionDisplay
    `boolean` | `isSuggestionListShowing()` | Check whether or not the list of suggestions is being shown.
    `protected abstract void` | `moveSelectionDown()` | Highlight the suggestion directly below the current selection in the list.
    `protected abstract void` | `moveSelectionUp()` | Highlight the suggestion directly above the current selection in the list.
    `protected void` | `onEnsureDebugId​(java.lang.String suggestBoxBaseID)` | Set the debug id of widgets used in the SuggestionDisplay.
    `(package private) void` | `setAnimationEnabledImpl​(boolean enable)` | Deprecated. implemented in DefaultSuggestionDisplay
    `protected void` | `setMoreSuggestions​(boolean hasMoreSuggestions, int numMoreSuggestions)` | Accepts information about whether there were more suggestions matching than were provided to `showSuggestions(com.google.gwt.user.client.ui.SuggestBox, java.util.Collection<? extends com.google.gwt.user.client.ui.SuggestOracle.Suggestion>, boolean, boolean, com.google.gwt.user.client.ui.SuggestBox.SuggestionCallback)`.
    `(package private) void` | `setPopupStyleNameImpl​(java.lang.String style)` | Deprecated. implemented in DefaultSuggestionDisplay
    `protected abstract void` | `showSuggestions​(SuggestBox suggestBox, java.util.Collection<? extends SuggestOracle.Suggestion> suggestions, boolean isDisplayStringHTML, boolean isAutoSelectEnabled, SuggestBox.SuggestionCallback callback)` | Update the list of visible suggestions.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### SuggestionDisplay

          public SuggestionDisplay()

  - ### Method Detail

    - #### getCurrentSelection

          protected abstract SuggestOracle.Suggestion getCurrentSelection()

      Get the currently selected `SuggestOracle.Suggestion` in the display.
      Returns:
        the current suggestion, or null if none selected

    - #### hideSuggestions

          protected abstract void hideSuggestions()

      Hide the list of suggestions from view.

    - #### moveSelectionDown

          protected abstract void moveSelectionDown()

      Highlight the suggestion directly below the current selection in the list.

    - #### moveSelectionUp

          protected abstract void moveSelectionUp()

      Highlight the suggestion directly above the current selection in the list.

    - #### onEnsureDebugId

          protected void onEnsureDebugId​(java.lang.String suggestBoxBaseID)

      Set the debug id of widgets used in the SuggestionDisplay.
      Parameters:
        `suggestBoxBaseID` - the baseID of the `SuggestBox`
      See Also:
        `UIObject.onEnsureDebugId(String)`

    - #### setMoreSuggestions

          protected void setMoreSuggestions​(boolean hasMoreSuggestions,
                                            int numMoreSuggestions)

      Accepts information about whether there were more suggestions matching than were provided to `showSuggestions(com.google.gwt.user.client.ui.SuggestBox, java.util.Collection<? extends com.google.gwt.user.client.ui.SuggestOracle.Suggestion>, boolean, boolean, com.google.gwt.user.client.ui.SuggestBox.SuggestionCallback)`.
      Parameters:
        `hasMoreSuggestions` - true if more matches were available
        `numMoreSuggestions` - number of more matches available. If the specific number is unknown, 0 will be passed.

    - #### showSuggestions

          protected abstract void showSuggestions​(SuggestBox suggestBox,
                                                  java.util.Collection<? extends SuggestOracle.Suggestion> suggestions,
                                                  boolean isDisplayStringHTML,
                                                  boolean isAutoSelectEnabled,
                                                  SuggestBox.SuggestionCallback callback)

      Update the list of visible suggestions. Use care when using isDisplayStringHtml; it is an easy way to expose script-based security problems.
      Parameters:
        `suggestBox` - the suggest box where the suggestions originated
        `suggestions` - the suggestions to show
        `isDisplayStringHTML` - should the suggestions be displayed as HTML
        `isAutoSelectEnabled` - if true, the first item should be selected automatically
        `callback` - the callback used when the user makes a suggestion

    - #### isAnimationEnabledImpl

          @Deprecated
          boolean isAnimationEnabledImpl()

      Deprecated.
      implemented in DefaultSuggestionDisplay
      This is here for legacy reasons. It is intentionally not visible.

    - #### isSuggestionListShowing

          public boolean isSuggestionListShowing()

      Check whether or not the list of suggestions is being shown.
      Returns:
        true if the suggestions are visible, false if not

    - #### setAnimationEnabledImpl

          @Deprecated
          void setAnimationEnabledImpl​(boolean enable)

      Deprecated.
      implemented in DefaultSuggestionDisplay
      This is here for legacy reasons. It is intentionally not visible.
      Parameters:
        `enable` - true to enable animation

    - #### setPopupStyleNameImpl

          @Deprecated
          void setPopupStyleNameImpl​(java.lang.String style)

      Deprecated.
      implemented in DefaultSuggestionDisplay
      This is here for legacy reasons. It is intentionally not visible.
      Parameters:
        `style` - the style name