将滚动添加到GWT SuggestBox

问题描述：

有谁知道如何：

1）在SuggestBox创建的弹出式窗口中添加滚动条？

1) Add a scroll to the popup created by the SuggestBox?

2）如何有效地自定义SuggestBox的外观（CSS）？

2) How to customize the looks (CSS) of the SuggestBox efficiently?

我想做的上面的更改，而不触及实际的实现尽可能多。
此解决方案应该支持（IE7-IE8，FF，Chrome）。

I want to make above changes without touching the actual implementation as much as possible. Also this solution should support (IE7-IE8, FF, Chrome).

谢谢。

答

使用Firebug addon for Firefox（或IE / Chrome调试器）来检查您需要修改其样式的元素，并查看GWT是否已为其分配了样式类名称[或读取其JavaDoc] 。这里在你的情况下，它的gwt-SuggestBoxPopup外部元素和许多其他样式类名称为内部元素，如suggestPopupMiddle，suggestPopupMiddleCenterInner和suggestPopupContent。

Use Firebug addon for Firefox (or IE/Chrome debugger) to inspect the element you need to modify its style and see if GWT has assigned it a style class name [or read its JavaDoc]. Here in you case its gwt-SuggestBoxPopup for outer element and lots of other style class names for inner elements like suggestPopupMiddle, suggestPopupMiddleCenterInner and suggestPopupContent. Use this class names to modify components style.

要添加垂直（水平）滚动，您需要指定height（width）或max-height，并使用overflow-y：scroll ; （overflow-x：scroll;）或overflow：scroll;

To add vertical (horizontal) scroll you need to specify height (width) or max-height and use overflow-y: scroll; (overflow-x: scroll;) or overflow: scroll; Use auto instead of scroll to hide the scollbar when not necessary.

因此，您的简短回答是：

So your short answer is:

.suggestPopupContent{
    height: 100px;    
    overflow-y: scroll;
}

将滚动添加到GWT SuggestBox

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