Package com.storedobject.vaadin

Interface HasVisibility

All Known Implementing Classes:

ObjectLinkField

public interface HasVisibility

Interface that determines whether an object (typically a "field") has visibility or not. It doesn't have to be a Component with a Tag for having the visibility. However, Component should be already considered as having this feature even though it's not implementing it explicitly. So, some crude work-around is required to use this properly - see the static methods setVisible(boolean, Object) and isVisible(Object)

Note: If you are wondering what is the use of this, please study the code of AbstractDataForm.

Author:

Syam

Method Summary

Modifier and Type	Method	Description
boolean	isVisible()	Is this field visible or not.
static boolean	isVisible(Object object)	Check if an object is visible or not.
void	setVisible(boolean visible)	Set the field visible/hidden.
static void	setVisible(boolean visible, Object object)	Set the visibility of "something".

Method Details

setVisible

void setVisible(boolean visible)

Set the field visible/hidden.

Parameters:

visible - True if visible, otherwise, false.

isVisible

boolean isVisible()

Is this field visible or not.

Returns:

True/false.

setVisible

static void setVisible(boolean visible,
 Object object)

Set the visibility of "something".

Parameters:

visible - Visibility.

object - Object for which visibility to be set.

isVisible

static boolean isVisible(Object object)

Check if an object is visible or not.

Parameters:

object - Object to check.

Returns:

True/false. (If the object is not of type Component or HasVisibility, it will always return false.