如何从具有GridBagLayout布局的JPanel获取位于特定gridx中的组件，gridy？

问题描述

我有一个带有gridbaglayout布局的jpanel，其中有几个jtextfields，几个jlabels，几个动态添加的jbuttons。因此我无法知道他们的具体命令，因此无法使用panel.getComponent（count）。如果有像getGridx（int x）或getGridy（int y）这样的东西，我查看了api。没找到。有什么类似的方法吗？

I have a jpanel with gridbaglayout layout, in it i have several jtextfields, several jlabels, several jbuttons which get added dynamically. Therefore I cannot know their specific orders, hence cannot use panel.getComponent(count). I looked in the api if there is something like getGridx(int x) or getGridy(int y). Didn't find. Is there anything similar to those methods?

推荐答案

最简单的解决方案可能是使用并简单地遍历所有组件，直到找到符合所需网格位置的组件...

The simplest solution might be to use GridBagLayout#getConstraints(Component) and simply loop through all the components until you find one that matches the required grid position...

Component match = null;
GridBagLayout layout = ...
for (Component comp : getComponents()) {
    GridBagConstraints gbc = layout.getConstraints(comp);
    if (gbc.gridx = x && gbc.gridy = y) {
        match = comp;
        break;
    }
}

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