我正与分机面板讨论以下问题。
我有一个带有hbox布局的家长面板,在孩子中,我还有一个带有hbox布局的家长面板。 最初,孩子面板是隐藏的,我只在一些条件下展示。
问题是隐藏孩子的宽度 = 0, 所以当它可见时它不会保持宽度。 但我需要它保持相同的宽度, 即使它隐藏了 。
有什么想法吗?
与其在儿童面板上叫隐藏(),不如试试这个:
childPanel.getEl().setOpacity(0); //0 to hide, 1 to show
这样面板总是在那里,你就能控制能见度。它不会在隐藏/展示上弄乱你的布局。
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