Java开发网 - 哪位有这样的现成控件

Topic: 哪位有这样的现成控件

1.哪位有这样的现成控件	Copy to clipboard
Posted by: jfml Posted on: 2003-06-04 11:50 左右两个ＪＬｉｓｔ或者ＪＴａｂｌｅ中间是>> << > < 等选择按钮，全选，清除，单选，单个删除把左边列表中的数据项选入右边的列表哪位有这样的现成控件ｓｈａｒｅ一下吧谢谢

2.Re:哪位有这样的现成控件 [Re: CrazyJavar]	Copy to clipboard
Posted by: Jove Posted on: 2003-06-04 20:15 我自己写过一个，用JList，挺方便的，没几行还是自己动手，丰衣足食 //虽然当初我也想找个现成的，嘻嘻

3.Re:哪位有这样的现成控件 [Re: Jove]

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Posted by: Jove
Posted on: 2003-06-04 22:59

相关代码:
private JPanel createTargetPanel() {
JPanel p = new JPanel();
p.setBorder(new TitledBorder("测试的目标机器"));
p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));

//居中对齐: 一个是现有用户(包括Label和List), 一组按钮(>> <<),和一个测试用户
p.add(Box.createHorizontalStrut(50));
p.add(createUserList());
p.add(Box.createHorizontalStrut(5));
p.add(create2Button());
p.add(Box.createHorizontalStrut(5));
p.add(createTargetList());
p.add(Box.createHorizontalStrut(50));
return p;
}

private JPanel createUserList() {
JPanel p = new JPanel();
p.setPreferredSize(new Dimension(150, Short.MAX_VALUE));
p.setLayout(new BorderLayout());
p.add(new JLabel("可选机器"), BorderLayout.NORTH);

int rowNo = onlineList.size();
Object[] users = new Object[rowNo];
Enumeration enum = onlineList.keys();
int i = 0;
while (enum.hasMoreElements()) {
users[i] = enum.nextElement();
i++;
}
listUser = new JList(users);
p.add(new JScrollPane(listUser), BorderLayout.CENTER);

return p;
}

private JPanel create2Button() {
JButton add, remove;

JPanel p = new JPanel();
p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
p.add(add = new JButton(">>"));
p.add(Box.createVerticalStrut(5));
p.add(remove = new JButton("<<"));

add.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
moveBetweenList(listUser, listTarget);
}
});
remove.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
moveBetweenList(listTarget, listUser);
}
});

return p;
}

private void moveBetweenList(JList listFrom, JList listTo) {
Object[] a = listFrom.getSelectedValues();

if (a.length == 0) {
return;
}

ListModel modelTarget = listTo.getModel();
LinkedList linkedlist = new LinkedList();
for (int i = 0; i < modelTarget.getSize(); i++) {
linkedlist.add(modelTarget.getElementAt(i));
}
for (int i = 0; i < a.length; i++) {
linkedlist.add(a[i]);
}
Collections.sort(linkedlist, new IPComparator());
listTo.setListData(linkedlist.toArray());

//删除listUser中的选中的项
int[] indices = listFrom.getSelectedIndices();

Vector vectorFrom = new Vector();
ListModel modelFrom = listFrom.getModel();
for (int i = 0, j = 0; i < modelFrom.getSize(); i++) {
//遍历List的每个项目
if (i != indices[j]) {
String str = (String) (modelFrom.getElementAt(i));
vectorFrom.add(str);
continue;
}
if (j < indices.length - 1) {
j++;
}
}
listFrom.setListData(vectorFrom);
}

private JPanel createTargetList() {
JPanel p = new JPanel();
p.setPreferredSize(new Dimension(150, Short.MAX_VALUE));
p.setLayout(new BorderLayout());
p.add(new JLabel("目标机器"), BorderLayout.NORTH);
listTarget = new JList();
p.add(new JScrollPane(listTarget), BorderLayout.CENTER);

return p;
}