ui.properties

Interface BarScreen

All Known Subinterfaces:

BarChartUserInterface

public interface BarScreen

Interfaces that implement this property provide the possibility to draw a bar chart. All bars are initialized at height zero. A bar can be raised by calling raiseBar(int). After the bars have been given the appropriate height, they can be shown by callin showChanges().

Author:

Atze van der Ploeg (Code), Jan Stienstra (Documentation)

Method Summary

Methods

Modifier and Type	Method and Description
void	nameBar(int index, java.lang.String name) Assign a name to a bar.
void	raiseBar(int index) Raise a bar with 1.
void	setShowNames(boolean show) This method determines whether the names of the bars are shown.
void	setShowValues(boolean show) This method determines whether the values of the bars are shown.
void	showChanges() Shows the bar chart.

Method Detail

setShowNames

void setShowNames(boolean show)

This method determines whether the names of the bars are shown. By default, no names are shown. Bars can be named by calling nameBar(int, String).

Parameters:

show - true to show names, false to remove names.

setShowValues

void setShowValues(boolean show)

This method determines whether the values of the bars are shown. By default, no values are shown.

Parameters:

show - true to show values, false to remove values.

raiseBar

void raiseBar(int index)

Raise a bar with 1. Initially, all bars are at height zero.

Parameters:

index - The index of the bar to be raised.

nameBar

void nameBar(int index,
           java.lang.String name)

Assign a name to a bar. The name of the bar is shown below the bar, but only if names are set to be shown by calling setShowNames(boolean).

Parameters:

index - The index of the bar to be named.

name - De naam van de staaf.The name of the bar.

showChanges

void showChanges()

Shows the bar chart. Call this method after the bars have been raised to the appropriate level, and optionally have been named.