org.zaval.lw.grid
Class CellsVisibility

java.lang.Object
  |
  +--org.zaval.lw.grid.CellsVisibility

public class CellsVisibility

extends java.lang.Object

The class is used to represent grid cells visibility. Using the class it is possible to determine what cells are visible, locations of the visible cells and so on.

Field Summary
protected  java.awt.Point	fc
protected  java.awt.Point	fr
protected  java.awt.Point	lc
protected  java.awt.Point	lr

 

Constructor Summary

CellsVisibility()

 

Method Summary
void	cancelVisibleCells()           Clears the cells visibility.
java.awt.Point	getFirstCell()           Gets the first visible cell.
java.awt.Point	getFirstCellLoc()           Gets the first visible cell location.
java.awt.Point	getLastCell()           Gets the last visible cell.
java.awt.Point	getLastCellLoc()           Gets the last visible cell location.
boolean	hasVisibleCells()           Checks if there are any visible cells.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

fr

protected java.awt.Point fr

fc

protected java.awt.Point fc

lr

protected java.awt.Point lr

lc

protected java.awt.Point lc

CellsVisibility

public CellsVisibility()

getFirstCell

public java.awt.Point getFirstCell()

Gets the first visible cell.

Returns:

the first visible cell's row and column. java.awt.Point class is used to represent first visible cell where x field is the cell row and y field is the cell column.

getLastCell

public java.awt.Point getLastCell()

Gets the last visible cell.

Returns:

the last visible cell's row and column. java.awt.Point class is used to represent last visible cell where x field is the cell row and y field is the cell column.

getFirstCellLoc

public java.awt.Point getFirstCellLoc()

Gets the first visible cell location.

Returns:

a first visible cell location. java.awt.Point class is used to represent the location where x field is the x coordinate and y field is the y coordinate.

getLastCellLoc

public java.awt.Point getLastCellLoc()

Gets the last visible cell location.

Returns:

a last visible cell location. java.awt.Point class is used to represent the location where x field is the x coordinate and y field is the y coordinate.

cancelVisibleCells

public void cancelVisibleCells()

Clears the cells visibility.

hasVisibleCells

public boolean hasVisibleCells()

Checks if there are any visible cells.

Returns:

true if there are visible cells; otherwise false.