package com.example.client.utils;
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import com.example.client.dto.JComboBoxItem;
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import org.apache.commons.lang3.math.NumberUtils;
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import javax.swing.*;
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import javax.swing.table.TableCellEditor;
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import javax.swing.table.TableCellRenderer;
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import java.awt.*;
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import java.util.Map;
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public class CellComboBoxRenderer implements TableCellRenderer {
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private final Map<Long, JComboBoxItem> itemMap;
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public CellComboBoxRenderer(Map<Long, JComboBoxItem> itemMap) {
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this.itemMap = itemMap;
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}
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@Override
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public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
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JLabel label = new JLabel();
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String valueStr = value.toString();
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if (NumberUtils.isDigits(valueStr)) {
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// 单个数字的情况
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long id = Long.parseLong(valueStr);
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JComboBoxItem item = itemMap.get(id);
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label.setText(item != null ? item.getName() : "Unknown");
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} else if(this.isCommaSeparatedDigits(valueStr)){
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StringBuilder text = new StringBuilder();
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String[] stringArray = valueStr.split(",");
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for (String str : stringArray) {
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try {
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long id = Long.parseLong(str.trim());
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JComboBoxItem item = itemMap.get(id);
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if (item != null) {
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if (text.length() > 0) {
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text.append(", ");
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}
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text.append(item.getName());
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}
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} catch (NumberFormatException e) {
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// 如果某个值不是有效的数字，跳过它
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continue;
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}
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}
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label.setText(text.toString());
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}
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if (isSelected) {
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label.setBackground(table.getSelectionBackground());
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label.setForeground(table.getSelectionForeground());
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} else {
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label.setBackground(table.getBackground());
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label.setForeground(table.getForeground());
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}
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return label;
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}
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private boolean isCommaSeparatedDigits(String input) {
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if (input == null || !input.contains(",")) {
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return false; // 不包含逗号，不是逗号分隔的字符串
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}
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String[] parts = input.split(",");
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for (String part : parts) {
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if (!NumberUtils.isDigits(part.trim())) {
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return false; // 如果某个部分不是纯数字，则返回 false
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}
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}
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return true; // 所有部分都是纯数字
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}
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}
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