TableCutPasteListener.java :  » App » learnandroid » com » lgnortel » network » networkview » Android Open Source

package com.lgnortel.network.networkview;

import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.StringSelection;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.util.StringTokenizer;

import javax.swing.JComponent;
import javax.swing.JTable;
import javax.swing.KeyStroke;

/**
 * Copyright (c) 2008 LG-Nortel, Inc. All Rights Reserved.
 * 
 * CONFIDENTIALITY AND LIMITED USE: This software, including any software of <br>
 * third parties embodied herein, contains code, information, data and concepts <br>
 * which are confidential and/or proprietary to LG-Nortel and such third <br>
 * parties. This software is licensed for use solely in accordance with the <br>
 * terms and conditions of the applicable license agreement with LG-Nortel or <br>
 * its authorized distributor, and not for any other use or purpose. No <br>
 * redistribution of this software by any party is permitted. <br>
 * 
 * Title: CommonTableCellRenderer.java<br>
 * Description: <br>
 * Copyright: Copyright(c) 2008 LG-NORTEL ALL Rights Reserved<br>
 * Company: LG-Nortel<br>
 * 
 * Title: TableCutPasteListener.java<br>
 * Description: <br>
 * Copyright: Copyright(c) 2008 LG-NORTEL ALL Rights Reserved<br>
 * Company: LG-Nortel<br>
 * 
 * @author JungGu Lee
 * @version 0.1
 * @created 2009. 1. 21.
 * @modified 2009. 1. 21.
 * @product EFA R4.0 EMS
 * @sw_block
 */

public class TableCutPasteListener implements ActionListener {

  private String rowstring, value;
  private Clipboard system;
  private StringSelection stsel;
  private JTable table;

  /**
   * Constructor of this class
   */
  public TableCutPasteListener(JTable jTable) {
    table = jTable;
    KeyStroke copy = KeyStroke.getKeyStroke(KeyEvent.VK_C, ActionEvent.CTRL_MASK, false);
    KeyStroke paste = KeyStroke.getKeyStroke(KeyEvent.VK_V, ActionEvent.CTRL_MASK, false);
    KeyStroke cut = KeyStroke.getKeyStroke(KeyEvent.VK_X, ActionEvent.CTRL_MASK, false);

    table.registerKeyboardAction(this, "Copy", copy, JComponent.WHEN_FOCUSED);
    table.registerKeyboardAction(this, "Paste", paste, JComponent.WHEN_FOCUSED);
    table.registerKeyboardAction(this, "Cut", cut, JComponent.WHEN_FOCUSED);
    system = Toolkit.getDefaultToolkit().getSystemClipboard();
  }

  /**
   * action performed
   */
  public void actionPerformed(ActionEvent e) {
    if (e.getActionCommand().compareTo("Copy") == 0) {
      StringBuffer stringBuffer = new StringBuffer();

      int numcols = table.getSelectedColumnCount();
      int numrows = table.getSelectedRowCount();
      int[] rowsselected = table.getSelectedRows();
      int[] colsselected = table.getSelectedColumns();

      for (int i = 0; i < numrows; i++) {
        for (int j = 0; j < numcols; j++) {
          stringBuffer.append(table.getValueAt(rowsselected[i], colsselected[j]));
          if (j < numcols - 1)
            stringBuffer.append("\t");
        }
        stringBuffer.append("\n");
      }
      stsel = new StringSelection(stringBuffer.toString());
      system = Toolkit.getDefaultToolkit().getSystemClipboard();
      system.setContents(stsel, stsel);
    }

    else if (e.getActionCommand().compareTo("Paste") == 0) {
      int startRow = (table.getSelectedRows())[0];
      int startCol = (table.getSelectedColumns())[0];

      try {
        String data = (String) (system.getContents(this).getTransferData(DataFlavor.stringFlavor));
        StringTokenizer newLineToken = new StringTokenizer(data, "\n");

        for (int i = 0; newLineToken.hasMoreTokens(); i++) {
          rowstring = newLineToken.nextToken();
          StringTokenizer tabToken = new StringTokenizer(rowstring, "\t");
          for (int j = 0; tabToken.hasMoreTokens(); j++) {
            value = (String) tabToken.nextToken();
            if (startRow + i < table.getRowCount() && startCol + j < table.getColumnCount())
              table.setValueAt(value, startRow + i, startCol + j);
          }
        }
      } catch (Exception ex) {
        ex.printStackTrace();
      }
    }

    else if (e.getActionCommand().compareTo("Cut") == 0) {

      int numcols = table.getSelectedColumnCount();
      int numrows = table.getSelectedRowCount();
      int[] rowsselected = table.getSelectedRows();
      int[] colsselected = table.getSelectedColumns();

      for (int i = 0; i < numrows; i++) {
        for (int j = 0; j < numcols; j++) {
          table.setValueAt("", rowsselected[i], colsselected[j]);
        }
      }
    } else {
      int row = table.getSelectedRow();
      int col = table.getSelectedColumn();

      String value = table.getValueAt(row, col).toString();
      table.setValueAt(value, row, col);
    }
  }
}