/* 
    P/P   *  Method: com.dmdirc.addons.ui_swing.textpane.TextPanePageUpAction__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.textpane;
    24  
    25  import java.awt.event.ActionEvent;
    26  import javax.swing.AbstractAction;
    27  
    28  /**
    29   * Page up action.
    30   */
    31  public class TextPanePageUpAction extends AbstractAction {
    32  
    33      /**
    34       * A version number for this class. It should be changed whenever the class
    35       * structure is changed (or anything else that would prevent serialized
    36       * objects being unserialized with the new class).
    37       */
    38      private static final long serialVersionUID = 1;
    39      /** TextPane instance. */
    40      private TextPane textpane;
    41  
    42      /**
    43       * Instantiates a new action.
    44       *
    45       * @param textpane Textpane
    46       */
             /* 
    P/P       *  Method: void com.dmdirc.addons.ui_swing.textpane.TextPanePageUpAction(TextPane)
              * 
              *  Postconditions:
              *    this.textpane == textpane
              *    init'ed(this.textpane)
              */
    47      public TextPanePageUpAction(final TextPane textpane) {
    48          this.textpane = textpane;
    49      }
    50  
    51      /**
    52       * {@inheritDoc}.
    53       * @param e Action event
    54       */
    55      @Override
    56      public void actionPerformed(ActionEvent e) {
                 /* 
    P/P           *  Method: void actionPerformed(ActionEvent)
                  * 
                  *  Preconditions:
                  *    init'ed(this.textpane.canvas.scrollBarPosition)
                  *    this.textpane != null
                  *    this.textpane.canvas != null
                  *    this.textpane.scrollBar != null
                  *    (soft) this.textpane.canvas.textPane != null
                  * 
                  *  Postconditions:
                  *    this.textpane.canvas.scrollBarPosition <= 4_294_967_285
                  */
    57          textpane.pageUp();
    58      }
    59  }