org.apache.pdfbox.debugger.ui

Class ZoomMenu

java.lang.Object

org.apache.pdfbox.debugger.ui.ZoomMenu

public final class ZoomMenu
extends Object

Author:

Khyrul Bashar A singleton class that provides zoom menu which can be used to show zoom menu in the menubar. To act upon the menu item selection user of the class must add ActionListener which will check for the action command and act accordingly.

Method Summary

Modifier and Type	Method and Description
void	addMenuListeners(ActionListener listener) Add the ActionListener for the menu items.
void	changeZoomSelection(float zoomValue) Set the zoom selection.
float	getImageZoomScale()
static ZoomMenu	getInstance() Provides the ZoomMenu instance.
JMenu	getMenu() Provide the JMenu instance of the ZoomMenu.
float	getPageZoomScale()
static float	getZoomScale() Tell the current zoom scale.
static boolean	isZoomMenu(String actionCommand) Tell whether the command belongs to the zoom menu.
void	resetZoom() When a new file is loaded zoom values should be reset.
void	setEnableMenu(boolean isEnable) Set if the menu should be enabled or disabled.
void	setImageZoomScale(float imageZoomValue)
void	setPageZoomScale(float pageZoomValue)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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 - the zoom factor, 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.

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 menu items.

Parameters:

listener - ActionListener.