com.vaadin.ui
Class GridLayout.Area

java.lang.Object
  com.vaadin.ui.GridLayout.Area

All Implemented Interfaces:

java.io.Serializable

Enclosing class:

GridLayout

public class GridLayout.Area
extends java.lang.Object
implements java.io.Serializable

Defines a rectangular area of cells in a GridLayout.

Also maintains a reference to the component contained in the area.

The area is specified by the cell coordinates of its upper left corner (column1,row1) and lower right corner (column2,row2). As otherwise with GridLayout, the column and row coordinates start from zero.

Since:

3.0

Author:

Vaadin Ltd.

See Also:

Serialized Form

Constructor Summary

GridLayout.Area(Component component, int column1, int row1, int column2, int row2)
Construct a new area on a grid.

Method Summary

int	getColumn1() Gets the column of the top-left corner cell.
int	getColumn2() Gets the column of the bottom-right corner cell.
Component	getComponent() Gets the component connected to the area.
int	getRow1() Gets the row of the top-left corner cell.
int	getRow2() Gets the row of the bottom-right corner cell.
boolean	overlaps(GridLayout.Area other) Tests if this Area overlaps with another Area.
protected void	setComponent(Component newComponent) Sets the component connected to the area.

Methods inherited from class java.lang.Object

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

Constructor Detail

GridLayout.Area

public GridLayout.Area(Component component,
                       int column1,
                       int row1,
                       int column2,
                       int row2)

Construct a new area on a grid.

Parameters:

component - the component connected to the area.

column1 - The column of the upper left corner cell of the area. The leftmost column has index 0.

row1 - The row of the upper left corner cell of the area. The topmost row has index 0.

column2 - The column of the lower right corner cell of the area. The leftmost column has index 0.

row2 - The row of the lower right corner cell of the area. The topmost row has index 0.

Method Detail

overlaps

public boolean overlaps(GridLayout.Area other)

Tests if this Area overlaps with another Area.

Parameters:

other - the other Area that is to be tested for overlap with this area

Returns:

true if other area overlaps with this on, false if it does not.

getComponent

public Component getComponent()

Gets the component connected to the area.

Returns:

the Component.

setComponent

protected void setComponent(Component newComponent)

Sets the component connected to the area.

This function only sets the value in the data structure and does not send any events or set parents.

Parameters:

newComponent - the new connected overriding the existing one.

getColumn1

public int getColumn1()

Gets the column of the top-left corner cell.

Returns:

the column of the top-left corner cell.

getColumn2

public int getColumn2()

Gets the column of the bottom-right corner cell.

Returns:

the column of the bottom-right corner cell.

getRow1

public int getRow1()

Gets the row of the top-left corner cell.

Returns:

the row of the top-left corner cell.

getRow2

public int getRow2()

Gets the row of the bottom-right corner cell.

Returns:

the row of the bottom-right corner cell.