GWT多选下拉列表框 [英] GWT Multiselect Dropdown Listbox

问题描述

我正在寻找在GWT中创建一个多选下拉列表框，但是我不确定如何去做.我希望它类似于此:

I'm looking to create a multi-select dropdown listbox in GWT, but I'm not sure how to go about doing so. I'd like it to be similar to this:

有什么建议吗?

我应该使用gwt ListBox代码并将其改编为接受对象吗?还是我应该忘记他们的列表框，然后尝试从头开始制作自己的列表框?还是我应该完全朝另一个方向走?如果可能的话，我真的希望不要包括外部库(例如SmartGWT)-我试图坚持使用简单的GWT.

Should I take gwt ListBox code and adapt it to accept objects? Or should I forget their Listbox and try to make my own from scratch? Or should I go in a different direction completely? I'd really prefer not to include external libraries (like SmartGWT) if possible - I'm trying to stick with straight-up GWT.

请告知.

谢谢！

推荐答案

对于感兴趣的人，我实际上最终还是自己动手...

For anyone interested, I actually ended up rolling my own...

这是一个旁边有图像的文本框.每一个都有一个ClickHandler，可显示/隐藏位于(TextBox.left，TextBox.top + TextBox.height)的DecoratedPopupPanel.

It's a TextBox with an Image next to it. And each of these has a ClickHandler that shows/hides a DecoratedPopupPanel positioned at (TextBox.left, TextBox.top + TextBox.height).

似乎可以为我正常工作-我可以在其中放入任何想要的东西.在IE中，使图像与文本框很好地对齐有点棘手，但是在FF中，它看起来很棒. :)

Seems to work alright for me - and I can put anything I want in it. Getting the Image to line up nicely with the Textbox is a little tricky in IE, but in FF it looks great. :)

谢谢！

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