Version: 2.5.6 Update
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gh0stkey
193
src/main/java/burp/ui/board/DatatablePanel.java
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193
src/main/java/burp/ui/board/DatatablePanel.java
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package burp.ui.board;
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import java.awt.BorderLayout;
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import java.awt.Color;
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import java.awt.event.AdjustmentEvent;
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import java.awt.event.AdjustmentListener;
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import java.awt.event.ComponentAdapter;
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import java.awt.event.ComponentEvent;
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import java.awt.event.FocusEvent;
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import java.awt.event.FocusListener;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.util.List;
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import javax.swing.JPanel;
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import javax.swing.JScrollPane;
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import javax.swing.JTable;
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import javax.swing.JTextField;
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import javax.swing.RowFilter;
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import javax.swing.ScrollPaneConstants;
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import javax.swing.event.DocumentEvent;
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import javax.swing.event.DocumentListener;
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import javax.swing.table.DefaultTableModel;
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import javax.swing.table.TableRowSorter;
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public class DatatablePanel extends JPanel {
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private final JTable table;
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private final DefaultTableModel model;
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private final JTextField searchField;
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private TableRowSorter<DefaultTableModel> sorter;
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private int pageSize; // 动态计算的，每页显示多少条记录
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private int currentPage; // 当前页码
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private List<String> fullList; // 假设这是一个包含所有数据的列表
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private JScrollPane scrollPane;
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private String tableName;
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private final int SHOW_LENGTH = 3000;
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public DatatablePanel(String tableName, List<String> list) {
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fullList = list;
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currentPage = 0;
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pageSize = 10;
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this.tableName = tableName;
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model = new DefaultTableModel();
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table = new JTable(model);
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sorter = new TableRowSorter<>(model);
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table.setRowSorter(sorter);
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model.addColumn("Information");
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String defaultText = "Search";
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searchField = new JTextField(defaultText);
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// 设置灰色默认文本Search
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searchField.setForeground(Color.GRAY);
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searchField.addFocusListener(new FocusListener() {
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@Override
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public void focusGained(FocusEvent e) {
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if (searchField.getText().equals(defaultText)) {
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searchField.setText("");
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searchField.setForeground(Color.BLACK);
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}
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}
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@Override
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public void focusLost(FocusEvent e) {
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if (searchField.getText().isEmpty()) {
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searchField.setForeground(Color.GRAY);
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searchField.setText(defaultText);
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}
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}
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});
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// 监听输入框内容输入、更新、删除
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searchField.getDocument().addDocumentListener(new DocumentListener() {
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@Override
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public void insertUpdate(DocumentEvent e) {
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performSearch();
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}
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@Override
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public void removeUpdate(DocumentEvent e) {
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performSearch();
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}
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@Override
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public void changedUpdate(DocumentEvent e) {
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performSearch();
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}
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private void performSearch() {
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// 通过字体颜色来判断是否可以进行过滤
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if (searchField.getForeground() == Color.BLACK) {
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String searchText = searchField.getText();
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if (sorter == null) {
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sorter = new TableRowSorter<>(model);
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table.setRowSorter(sorter);
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}
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RowFilter<DefaultTableModel, Object> rowFilter = RowFilter.regexFilter(String.format("%s%s", "(?i)", searchText), 0);
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sorter.setRowFilter(rowFilter);
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}
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}
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});
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// 设置布局
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scrollPane = new JScrollPane(table);
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scrollPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
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scrollPane.addComponentListener(new ComponentAdapter() {
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@Override
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public void componentResized(ComponentEvent e) {
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updatePageSize();
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}
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});
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// 添加滚动监听器，以加载更多数据
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scrollPane.getVerticalScrollBar().addAdjustmentListener(new AdjustmentListener() {
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@Override
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public void adjustmentValueChanged(AdjustmentEvent e) {
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if (fullList.size() > SHOW_LENGTH) {
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if (!e.getValueIsAdjusting() && !scrollPane.getVerticalScrollBar().getValueIsAdjusting()) {
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if (scrollPane.getVerticalScrollBar().getValue() == scrollPane.getVerticalScrollBar().getMaximum() - scrollPane.getVerticalScrollBar().getVisibleAmount()) {
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if ((currentPage + 1) * pageSize < fullList.size()) {
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currentPage++;
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loadPageData();
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}
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}
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}
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}
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}
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});
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setLayout(new BorderLayout(0, 5));
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add(scrollPane, BorderLayout.CENTER);
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add(searchField, BorderLayout.SOUTH);
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loadPageData();
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}
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// 加载指定页的数据
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private void loadPageData() {
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if (fullList.size() > SHOW_LENGTH) {
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int start = currentPage * pageSize;
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int end = Math.min((currentPage + 1) * pageSize, fullList.size());
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int lastRow = model.getRowCount();
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start = Math.max(start, lastRow);
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for (int i = start; i < end; i++) {
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model.addRow(new Object[]{fullList.get(i)});
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}
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} else {
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for (String item : fullList) {
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model.addRow(new Object[]{item});
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}
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}
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}
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public void updatePageSize() {
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if (fullList.size() > SHOW_LENGTH && isShowing()) {
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int oldPageSize = pageSize;
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pageSize = getDynamicSize();
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if (oldPageSize != pageSize) {
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currentPage = 0;
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loadPageData();
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}
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}
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}
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private int getDynamicSize() {
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int visibleHeight = scrollPane.getViewport().getViewRect().height;
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int rowHeight = table.getRowHeight();
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return Math.max(1, visibleHeight / rowHeight + 2);
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}
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public void setTableListener(MessagePanel messagePanel) {
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table.setDefaultEditor(Object.class, null);
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// 表格内容双击事件
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table.addMouseListener(new MouseAdapter() {
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@Override
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public void mouseClicked(MouseEvent e) {
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if (e.getClickCount() == 2) {
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int selectedRow = table.getSelectedRow();
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if (selectedRow != -1) {
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String rowData = table.getValueAt(selectedRow, 0).toString();
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messagePanel.applyMessageFilter(tableName, rowData);
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}
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}
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}
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});
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}
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public JTable getTable() {
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return this.table;
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}
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}
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