package ui;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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/**
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* 一些通用 UI 工具函数（例如创建图片按钮），统一样式与交互行为
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*/
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public final class UIUtils {
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private UIUtils() {}
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public static JButton createImageButton(String imagePath, String toolTip) {
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JButton button = new JButton();
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button.setBackground(Color.WHITE);
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button.setFocusPainted(false);
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button.setCursor(new Cursor(Cursor.HAND_CURSOR));
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button.setPreferredSize(UIConfig.IMAGE_BUTTON_PREFERRED);
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button.setBorder(BorderFactory.createLineBorder(new Color(200, 200, 200)));
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button.setToolTipText(toolTip);
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try {
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ImageIcon icon = new ImageIcon(imagePath);
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Image img = icon.getImage();
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Image scaled = img.getScaledInstance(UIConfig.IMAGE_ICON_SIZE, UIConfig.IMAGE_ICON_SIZE, Image.SCALE_SMOOTH);
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button.setIcon(new ImageIcon(scaled));
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} catch (Exception ex) {
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button.setText(toolTip);
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System.err.println("无法加载图片: " + imagePath + " - " + ex.getMessage());
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}
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button.setMargin(new Insets(0, 0, 0, 0));
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button.addMouseListener(new MouseAdapter() {
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public void mouseEntered(MouseEvent e) { button.setBackground(new Color(245, 245, 245)); }
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public void mouseExited(MouseEvent e) { button.setBackground(Color.WHITE); }
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});
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return button;
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}
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}
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