几年后,我一直在制作一个愚蠢的小卡片技巧来重新使用 Java,并且在让 JPanel 去我想要的地方时遇到了一些困难。
给我带来麻烦的组件是 selectedCard 和 label。其他一切都很好地位于中心。每个 cardRow JPanel 包含 7 张卡片,而 mainRow# 包含 cardRow 旁边有一个按钮。每张卡都是 74x98,所以我尽量保持所有尺寸。
这是处理所有展示位置和布局的 Trick 类。
public Trick()
{
setMaximumSize(new Dimension(650, 600)); //set the size large enough to hold all panels neatly
//Card row setup
trickCards = new Deck().getCards(21);
cardRow1 = new JPanel();
cardRow2 = new JPanel();
cardRow3 = new JPanel();
cardRow1.setPreferredSize(new Dimension(650, 120));
cardRow2.setPreferredSize(new Dimension(650, 120));
cardRow3.setPreferredSize(new Dimension(650, 120));
cardRow1.setLayout(new BoxLayout(cardRow1, BoxLayout.X_AXIS));
cardRow2.setLayout(new BoxLayout(cardRow2, BoxLayout.X_AXIS));
cardRow3.setLayout(new BoxLayout(cardRow3, BoxLayout.X_AXIS));
setToRows();
button1 = new JButton("Row 1");
button1.setMnemonic(KeyEvent.VK_1);
button1.setActionCommand("1");
button2 = new JButton("Row 2");
button2.setMnemonic(KeyEvent.VK_2);
button2.setActionCommand("2");
button3 = new JButton("Row 3");
button3.setMnemonic(KeyEvent.VK_3);
button3.setActionCommand("3");
group = new ButtonGroup();
group.add(button1);
group.add(button2);
group.add(button3);
button1.addActionListener(this);
button2.addActionListener(this);
button3.addActionListener(this);
chosenCard = new JPanel();
chosenCard.setLayout(new BoxLayout(chosenCard, BoxLayout.Y_AXIS));
chosenCard.setPreferredSize(new Dimension(100, 120));
chosenCard.add(new Card(trickCards[1].getCardFace(), -1, -1));
label = new JLabel("Card Trick! Pick any one card and click the row it is in [1, 2, 3]");
label.setPreferredSize(new Dimension(200, 20));
mainRow1 = new JPanel();
mainRow2 = new JPanel();
mainRow3 = new JPanel();
mainRow1.setPreferredSize(new Dimension(750, 120));
mainRow1.add(cardRow1);
mainRow1.add(button1);
mainRow2.setPreferredSize(new Dimension(750, 120));
mainRow2.add(cardRow2);
mainRow2.add(button2);
mainRow3.setPreferredSize(new Dimension(750, 120));
mainRow3.add(cardRow3);
mainRow3.add(button3);
setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
add(mainRow1);
add(mainRow2);
add(mainRow3);
add(label);
add(chosenCard);
}
//Refreshes what cards are in the rows
//Usually done after a selection is made
private void setToRows()
{
cardRow1.removeAll();
cardRow2.removeAll();
cardRow3.removeAll();
for(int x = 0; x < trickCards.length / 3; x++)
{
cardRow1.add(trickCards[x]);
cardRow2.add(trickCards[x + (trickCards.length / 3)]);
cardRow3.add(trickCards[x + ((trickCards.length / 3) * 2)]);
}
}
//The listener for the buttons
//Will be expanded
public void actionPerformed(ActionEvent e)
{
if(e.getActionCommand().equals("1"))
{
System.out.println("1");
label.setText("You chose 1!");
}
else if(e.getActionCommand().equals("2"))
{
System.out.println("2");
}
else if(e.getActionCommand().equals("3"))
{
System.out.println("3");
}
else
System.out.println("There's something wrong with the choice! Set to 0");
}