Method Detail

• getInstance

  public static ZoomMenu getInstance()

  Provides the ZoomMenu instance.

  Returns:

  ZoomMenu instance.

• changeZoomSelection

  public void changeZoomSelection(float zoomValue)

  Set the zoom selection.

  Parameters:

  zoomValue - e.g. 1, 0.25, 4.

  Throws:

  IllegalArgumentException - if the parameter doesn't belong to a zoom menu item.

• isZoomMenu

  public static boolean isZoomMenu(String actionCommand)

  Tell whether the command belongs to the zoom menu.

  Parameters:

  actionCommand - a menu command string.

  Returns:

  true if the command is a zoom menu command, e.g. "100%", false if not.

• getZoomScale

  public static float getZoomScale()

  Tell the current zoom scale.

  Returns:

  the current zoom scale.

  Throws:

  IllegalStateException - if no zoom menu item is selected.

• getPageZoomScale

  public float getPageZoomScale()

• setPageZoomScale

  public void setPageZoomScale(float pageZoomValue)

• getImageZoomScale

  public float getImageZoomScale()

• setImageZoomScale

  public void setImageZoomScale(float imageZoomValue)

• resetZoom

  public void resetZoom()

  When a new file is loaded zoom values should be reset.

• setMenu

  protected void setMenu(JMenu menu)

• getMenu

  public JMenu getMenu()

  Provide the JMenu instance of the ZoomMenu.

  Returns:

  JMenu instance.

• setEnableMenu

  public void setEnableMenu(boolean isEnable)

  Set if the menu should be enabled or disabled.

  Parameters:

  isEnable - boolean instance.

• addMenuListeners

  public void addMenuListeners(ActionListener listener)

  Add the ActionListener for the menuitems.

  Parameters:

  listener - ActionListener.