com.flexganttfx.model.dateline

Class VirtualGrid<T extends TemporalUnit>

java.lang.Object

com.flexganttfx.model.dateline.VirtualGrid<T>

Type Parameters:

T - the type of the temporal unit (e.g. ChronoUnit)

Direct Known Subclasses:

ChronoUnitGrid, SimpleUnitGrid

public abstract class VirtualGrid<T extends TemporalUnit>
extends Object

A utility class for supporting an invisible grid for editing operations on activities. When a grid is set the start and end times of activities will "snap" to locations defined by the grid.

Since:

1.0

Constructor Summary

Constructors

Constructor and Description
VirtualGrid(String name, String shortName, T unit, int amount) Constructs a new grid.
VirtualGrid(String name, T unit, int amount) Constructs a new grid.

Method Summary

Modifier and Type	Method and Description
abstract Instant	adjustTime(Instant instant, ZoneId zoneId, boolean roundUp, DayOfWeek firstDayOfWeek) Adjusts the given instant so that the returned instant will snap to the position defined by the grid settings.
abstract LocalTime	adjustTime(LocalTime time, boolean roundUp) Adjusts the given local time so that the returned time will snap to the position defined by the grid settings.
int	getAmount() The number of units used for the grid.
String	getName() Returns the grid name that can be used for grid selection controls.
String	getShortName() Returns the grid short name that can be used for grid selection controls.
T	getUnit() The temporal unit used for the grid.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

VirtualGrid

public VirtualGrid(String name,
                   String shortName,
                   T unit,
                   int amount)

Constructs a new grid.

Parameters:

name - a name that can be shown in the user interface (e.g. "15 Minutes")

shortName - a short name that can be shown in the user interface (e.g. "15 Min.")

unit - the temporal unit of the grid (e.g. MINUTES)

amount - the amount of the temporal unit (e.g. "15")

Since:

1.1

VirtualGrid

public VirtualGrid(String name,
                   T unit,
                   int amount)

Constructs a new grid.

Parameters:

name - a name that can be shown in the user interface (e.g. "15 Minutes"), will also be used as the short name

unit - the temporal unit of the grid (e.g. MINUTES)

amount - the amount of the temporal unit (e.g. "15")

Since:

1.0

Method Detail

getName

public final String getName()

Returns the grid name that can be used for grid selection controls.

Returns:

the name of the grid settings

Since:

1.0

getShortName

public final String getShortName()

Returns the grid short name that can be used for grid selection controls.

Returns:

the short name of the grid settings

Since:

1.1

getUnit

public final T getUnit()

The temporal unit used for the grid.

Returns:

the temporal unit of the grid

Since:

1.0

getAmount

public final int getAmount()

The number of units used for the grid.

Returns:

the number of units

Since:

1.0

adjustTime

public abstract Instant adjustTime(Instant instant,
                                   ZoneId zoneId,
                                   boolean roundUp,
                                   DayOfWeek firstDayOfWeek)

Adjusts the given instant so that the returned instant will snap to the position defined by the grid settings.

Parameters:

instant - the time to adjust to a grid location

zoneId - the time zone for which the adjustment is performed (can be different from row to row)

roundUp - a flag signaling whether we want the adjusted time to snap to an earlier or later time (start time or end time)

firstDayOfWeek - the weekday that is considered to be the first day of the week (mostly Monday or Sunday)

Returns:

the grid adjusted time

Since:

1.0

adjustTime

public abstract LocalTime adjustTime(LocalTime time,
                                     boolean roundUp)

Adjusts the given local time so that the returned time will snap to the position defined by the grid settings.

Parameters:

time - the time to adjust to a grid location

roundUp - a flag signaling whether we want the adjusted time to snap to an earlier or later time (start time or end time)

Returns:

the grid adjusted local time

Since:

1.0

toString

public String toString()

Overrides:

toString in class Object