package zhuye;
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import ui.UIConfig;
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import javax.swing.*;
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import java.awt.*;
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public class LegendDialog extends JDialog {
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public LegendDialog(Component parent, Color ignoredThemeColor) {
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super(parent != null ? (JFrame) SwingUtilities.getWindowAncestor(parent) : null,
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"图例", true);
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int adjustedWidth = (int) Math.round(UIConfig.DIALOG_WIDTH * 0.8);
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int adjustedHeight = (int) Math.round(UIConfig.DIALOG_HEIGHT * 0.4);
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initializeDialog(adjustedWidth, adjustedHeight);
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initializeLegendContent();
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if (parent == null) {
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setLocationRelativeTo(null); // 居中显示
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}
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}
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private void initializeDialog(int width, int height) {
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setSize(width, height);
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setLocationRelativeTo(getParent());
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setResizable(false);
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getContentPane().setBackground(Color.WHITE);
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}
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private void initializeLegendContent() {
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// 主面板使用BorderLayout
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JPanel mainPanel = new JPanel(new BorderLayout());
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mainPanel.setBackground(Color.WHITE);
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mainPanel.setBorder(BorderFactory.createEmptyBorder(15, 15, 10, 15));
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// 图例内容面板 - 直接添加，不使用滚动条
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JPanel contentPanel = new JPanel();
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contentPanel.setLayout(new BoxLayout(contentPanel, BoxLayout.Y_AXIS));
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contentPanel.setBackground(Color.WHITE);
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contentPanel.setBorder(BorderFactory.createCompoundBorder(
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BorderFactory.createLineBorder(new Color(220, 220, 220), 1),
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BorderFactory.createEmptyBorder(10, 10, 10, 10)
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));
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String[][] legendItems = {
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{"草坪区域", "144,238,144", "fill"},
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{"区域顶点", "128,0,128", "point"},
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{"割草机路径", "255,0,0", "line"},
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{"路径方向", "255,0,0", "arrow"},
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{"障碍物区域", "255,0,0", "obstacle_fill"},
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{"割草机位置", "0,150,0", "mow"},
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{"往返路径", "0,0,0", "railway"},
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{"割草轨迹", "100,150,200", "trail"}
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};
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for (String[] item : legendItems) {
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contentPanel.add(createLegendItem(item[0], item[1], item[2]));
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contentPanel.add(Box.createRigidArea(new Dimension(0, 6))); // 缩小行间距
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}
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// 移除最后一个间距组件，避免底部多余空白
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if (contentPanel.getComponentCount() > 0) {
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contentPanel.remove(contentPanel.getComponentCount() - 1);
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}
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// 添加图例内容面板
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mainPanel.add(contentPanel, BorderLayout.CENTER);
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getContentPane().add(mainPanel);
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}
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private JPanel createLegendItem(String text, String color, String type) {
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JPanel itemPanel = new JPanel(new BorderLayout(8, 0)); // 减小组件间距
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itemPanel.setBackground(Color.WHITE);
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itemPanel.setMaximumSize(new Dimension(160, 25)); // 减小高度
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String[] rgb = color.split(",");
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Color itemColor = new Color(
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Integer.parseInt(rgb[0]),
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Integer.parseInt(rgb[1]),
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Integer.parseInt(rgb[2])
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);
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// 图标面板
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JPanel iconPanel = new JPanel() {
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@Override
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protected void paintComponent(Graphics g) {
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super.paintComponent(g);
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Graphics2D g2d = (Graphics2D) g;
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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int size = 16; // 缩小图标尺寸
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int x = (getWidth() - size) / 2;
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int y = (getHeight() - size) / 2;
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switch (type) {
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case "fill":
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g2d.setColor(itemColor);
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g2d.fillRect(x, y, size, size);
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g2d.setColor(new Color(100, 100, 100));
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g2d.setStroke(new BasicStroke(1));
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g2d.drawRect(x, y, size, size);
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break;
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case "point":
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g2d.setColor(itemColor);
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g2d.fillOval(x, y, size, size);
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g2d.setColor(new Color(100, 100, 100));
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g2d.setStroke(new BasicStroke(1));
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g2d.drawOval(x, y, size, size);
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break;
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case "line":
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g2d.setColor(itemColor);
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g2d.setStroke(new BasicStroke(2)); // 减小线宽
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g2d.drawLine(x, y + size/2, x + size, y + size/2);
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break;
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case "arrow":
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g2d.setColor(itemColor);
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g2d.setStroke(new BasicStroke(1.5f)); // 减小线宽
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g2d.drawLine(x, y + size/2, x + size, y + size/2);
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int[] xPoints = {x + size, x + size - 4, x + size - 4}; // 缩小箭头
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int[] yPoints = {y + size/2, y + size/2 - 3, y + size/2 + 3};
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g2d.fillPolygon(xPoints, yPoints, 3);
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break;
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case "mow":
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ImageIcon icon = loadIcon("image/gecaoji.png", size + 8, size + 8);
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if (icon != null) {
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icon.paintIcon(this, g2d, x - 4, y - 4);
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} else {
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g2d.setColor(itemColor);
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g2d.fillOval(x, y, size, size);
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g2d.setColor(new Color(100, 100, 100));
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g2d.setStroke(new BasicStroke(1));
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g2d.drawOval(x, y, size, size);
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}
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break;
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case "railway":
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// 1. 绘制底层黑色实线
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g2d.setColor(Color.BLACK);
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g2d.setStroke(new BasicStroke(3.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
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g2d.drawLine(x, y + size/2, x + size, y + size/2);
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// 2. 绘制顶层白色虚线
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float dashLen = 3.0f * 2.0f;
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float dashSpace = 3.0f * 2.0f;
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float[] dashPattern = {dashLen, dashSpace};
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g2d.setColor(Color.WHITE);
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g2d.setStroke(new BasicStroke(1.2f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 10.0f, dashPattern, 0.0f));
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g2d.drawLine(x, y + size/2, x + size, y + size/2);
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break;
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case "trail":
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g2d.setColor(itemColor);
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g2d.setStroke(new BasicStroke(3, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND)); // 减小线宽
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g2d.drawLine(x, y + size/2, x + size, y + size/2);
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break;
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case "obstacle_fill":
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g2d.setColor(new Color(255, 0, 0, 77));
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g2d.fillRect(x, y, size, size);
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g2d.setColor(Color.RED);
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g2d.setStroke(new BasicStroke(1.5f)); // 减小线宽
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g2d.drawRect(x, y, size, size);
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break;
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}
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}
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};
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iconPanel.setPreferredSize(new Dimension(35, 25)); // 缩小图标面板
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iconPanel.setBackground(Color.WHITE);
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// 文本标签
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JLabel textLabel = new JLabel(text);
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textLabel.setFont(new Font("微软雅黑", Font.PLAIN, 11)); // 缩小字体
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textLabel.setForeground(new Color(80, 80, 80));
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itemPanel.add(iconPanel, BorderLayout.WEST);
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itemPanel.add(textLabel, BorderLayout.CENTER);
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return itemPanel;
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}
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/**
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* 加载并缩放图标
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* @param iconPath 图标路径
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* @param width 目标宽度
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* @param height 目标高度
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* @return 缩放后的图标
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*/
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private ImageIcon loadIcon(String iconPath, int width, int height) {
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try {
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java.net.URL imgURL = getClass().getClassLoader().getResource(iconPath);
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if (imgURL == null) {
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// 尝试从文件系统加载
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java.io.File imgFile = new java.io.File(iconPath);
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if (imgFile.exists()) {
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ImageIcon originalIcon = new ImageIcon(imgFile.getAbsolutePath());
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Image scaledImage = originalIcon.getImage().getScaledInstance(width, height, Image.SCALE_SMOOTH);
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ImageIcon scaledIcon = new ImageIcon(scaledImage);
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scaledIcon.setDescription(iconPath);
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return scaledIcon;
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}
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} else {
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ImageIcon originalIcon = new ImageIcon(imgURL);
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Image scaledImage = originalIcon.getImage().getScaledInstance(width, height, Image.SCALE_SMOOTH);
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ImageIcon scaledIcon = new ImageIcon(scaledImage);
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scaledIcon.setDescription(iconPath);
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return scaledIcon;
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}
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} catch (Exception e) {
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System.err.println("无法加载图标: " + iconPath + " - " + e.getMessage());
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}
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return null;
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}
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}
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