如何动态更改JList中所选项的背景颜色 [英] How to change background color of the selected item in JList dynamically
本文介绍了如何动态更改JList中所选项的背景颜色的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如何动态更改在JList中选择的项目的背景颜色?
How can I change the background color of the item which is selected in JList dynamically?
推荐答案
以下内容应如下所示:帮助作为起点:
Something like the following should help as a starting point:
public class SelectedListCellRenderer extends DefaultListCellRenderer {
@Override
public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
Component c = super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
if (isSelected) {
c.setBackground(Color.RED);
}
return c;
}
}
// During the JList initialisation...
jlist1.setCellRenderer(new SelectedListCellRenderer());
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