Package org.pepstock.charba.client.enums

Enum ModifierKey

java.lang.Object

java.lang.Enum<ModifierKey>

org.pepstock.charba.client.enums.ModifierKey

All Implemented Interfaces:

Serializable, Comparable<ModifierKey>, Key

public enum ModifierKey
extends Enum<ModifierKey>
implements Key

A modifier key modifies the action of another key when the keys are pressed at the same time.

Author:

Andrea "Stock" Stocchero

Enum Constant Summary

Enum Constants

Enum Constant	Description
ALT	Used in combination with the numeric keypad for entering Alt codes, which output special characters;
CTRL	Used for entering keyboard shortcuts.
META	Used for entering keyboard shortcuts.
SHIFT	Used for capitalizing letters and entering different types of symbols.

Method Summary

Modifier and Type	Method	Description
static boolean	arePressed(BaseNativeEvent event, ModifierKey... keys)	Returns true if all modifier keys are pressed when the event was emitted.
static boolean	arePressed(AbstractEvent event, ModifierKey... keys)	Returns true if all modifier keys are pressed when the event was emitted.
static boolean	arePressed(ChartEventContext event, ModifierKey... keys)	Returns true if all modifier keys are pressed when the event was emitted.
Div	getElement()	Returns the Div element which describes the modifier key. It can be used in UI if needed.
boolean	isPressed(BaseNativeEvent event)	Returns true if the modifier key is pressed when the event was emitted.
boolean	isPressed(AbstractEvent event)	Returns true if the modifier key is pressed when the event was emitted.
boolean	isPressed(ChartEventContext event)	Returns true if the modifier key is pressed when the event was emitted.
String	value()	Returns the name value of property
static ModifierKey	valueOf(String name)	Returns the enum constant of this type with the specified name.
static ModifierKey[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

ALT

public static final ModifierKey ALT

Used in combination with the numeric keypad for entering Alt codes, which output special characters;

CTRL

public static final ModifierKey CTRL

Used for entering keyboard shortcuts.

META

public static final ModifierKey META

Used for entering keyboard shortcuts.

SHIFT

public static final ModifierKey SHIFT

Used for capitalizing letters and entering different types of symbols.

Method Detail

values

public static ModifierKey[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (ModifierKey c : ModifierKey.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static ModifierKey valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

value

public String value()

Description copied from interface: Key

Returns the name value of property

Specified by:

value in interface Key

Returns:

the name value of property

getElement

public Div getElement()

Returns the Div element which describes the modifier key.
It can be used in UI if needed.

Returns:

the Div element which describes the modifier key

isPressed

public boolean isPressed(AbstractEvent event)

Returns true if the modifier key is pressed when the event was emitted.

Parameters:

event - instance of CHARBA event to be checked

Returns:

true if the modifier key is pressed when the event was emitted

isPressed

public boolean isPressed(ChartEventContext event)

Returns true if the modifier key is pressed when the event was emitted.

Parameters:

event - instance of CHARBA event to be checked

Returns:

true if the modifier key is pressed when the event was emitted

isPressed

public boolean isPressed(BaseNativeEvent event)

Returns true if the modifier key is pressed when the event was emitted.

Parameters:

event - instance of native event to be checked

Returns:

true if the modifier key is pressed when the event was emitted

arePressed

public static boolean arePressed(AbstractEvent event,
                                 ModifierKey... keys)

Returns true if all modifier keys are pressed when the event was emitted.

Parameters:

event - instance of CHARBA event to be checked

keys - array of keys to be checked against the event

Returns:

true if the modifier key is pressed when the event was emitted

arePressed

public static boolean arePressed(ChartEventContext event,
                                 ModifierKey... keys)

Returns true if all modifier keys are pressed when the event was emitted.

Parameters:

event - instance of CHARBA event to be checked

keys - array of keys to be checked against the event

Returns:

true if the modifier key is pressed when the event was emitted

arePressed

public static boolean arePressed(BaseNativeEvent event,
                                 ModifierKey... keys)

Returns true if all modifier keys are pressed when the event was emitted.

Parameters:

event - instance of native event to be checked

keys - array of keys to be checked against the event

Returns:

true if the modifier key is pressed when the event was emitted