/* 
    P/P   *  Method: com.dmdirc.addons.ui_swing.actions.NoNewlinesPasteAction__static_init
          */
     1  /*
     2   * Copyright (c) 2006-2009 Chris Smith, Shane Mc Cormack, Gregory Holmes
     3   *
     4   * Permission is hereby granted, free of charge, to any person obtaining a copy
     5   * of this software and associated documentation files (the "Software"), to deal
     6   * in the Software without restriction, including without limitation the rights
     7   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     8   * copies of the Software, and to permit persons to whom the Software is
     9   * furnished to do so, subject to the following conditions:
    10   *
    11   * The above copyright notice and this permission notice shall be included in
    12   * all copies or substantial portions of the Software.
    13   *
    14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    20   * SOFTWARE.
    21   */
    22  
    23  package com.dmdirc.addons.ui_swing.actions;
    24  
    25  import com.dmdirc.logger.ErrorLevel;
    26  import com.dmdirc.logger.Logger;
    27  
    28  import java.awt.Toolkit;
    29  import java.awt.datatransfer.DataFlavor;
    30  import java.awt.datatransfer.UnsupportedFlavorException;
    31  import java.awt.event.ActionEvent;
    32  import java.io.IOException;
    33  
    34  import javax.swing.AbstractAction;
    35  import javax.swing.text.JTextComponent;
    36  
    37  /**
    38   * Paste action that strips newlines from pastes.
    39   */
    40  public final class NoNewlinesPasteAction extends AbstractAction {
    41      
    42      /**
    43       * A version number for this class. It should be changed whenever the class
    44       * structure is changed (or anything else that would prevent serialized
    45       * objects being unserialized with the new class).
    46       */
    47      private static final long serialVersionUID = 1;
    48      
    49      /**
    50       * Creates a new instance of NoNewlinesPasteAction.
    51       */
    52      public NoNewlinesPasteAction() {
                 /* 
    P/P           *  Method: void com.dmdirc.addons.ui_swing.actions.NoNewlinesPasteAction()
                  */
    53          super("TopicPasteAction");
    54      }
    55      
    56      /** 
    57       * {@inheritDoc}
    58       * 
    59       * @param e Action event
    60       */
    61      @Override
    62      public void actionPerformed(final ActionEvent e) {
    63          final JTextComponent comp;
    64          
                 /* 
    P/P           *  Method: void actionPerformed(ActionEvent)
                  * 
                  *  Preconditions:
                  *    e != null
                  * 
                  *  Presumptions:
                  *    init'ed(com.dmdirc.logger.ErrorLevel.LOW)
                  *    java.awt.Toolkit:getDefaultToolkit(...)@73 != null
                  *    java.awt.Toolkit:getDefaultToolkit(...)@80 != null
                  *    java.awt.Toolkit:getSystemClipboard(...)@73 != null
                  *    java.awt.Toolkit:getSystemClipboard(...)@80 != null
                  *    ...
                  * 
                  *  Test Vectors:
                  *    java.awt.datatransfer.Clipboard:isDataFlavorAvailable(...)@73: {1}, {0}
                  */
    65          if (e.getSource() instanceof JTextComponent) {
    66              comp = (JTextComponent) e.getSource();
    67          } else {
    68              return;
    69          }
    70          
    71          String clipboard = null;
    72          
    73          if (!Toolkit.getDefaultToolkit().getSystemClipboard().
    74                  isDataFlavorAvailable(DataFlavor.stringFlavor)) {
    75              return;
    76          }
    77          
    78          try {
    79              //get the contents of the clipboard
    80              clipboard = (String) Toolkit.getDefaultToolkit().
    81                      getSystemClipboard().getData(DataFlavor.stringFlavor);
    82              //remove newlines
    83              clipboard = clipboard.replaceAll("(\r\n|\n|\r)", " ");
    84              
    85              //insert the contents at the current cursor position
    86              comp.replaceSelection(clipboard);
    87          } catch (IOException ex) {
    88              Logger.userError(ErrorLevel.LOW, "Unable to get clipboard contents: " + ex.getMessage());
    89          } catch (UnsupportedFlavorException ex) {
    90              Logger.appError(ErrorLevel.LOW, "Unable to get clipboard contents", ex);
    91          }
    92      }
    93      
    94  }