NIOverviewMemoryPageView Class Reference

Overview

A page that renders a graph showing free memory.

The memory page.

Inheritance diagram for NIOverviewMemoryPageView:

Tasks
(CGFloat)	- graphViewXRange:
(CGFloat)	- graphViewYRange:
(void)	- resetPointIterator
(BOOL)	- nextPointInGraphView:point:
(void)	- resetEventIterator
(BOOL)	- nextEventInGraphView:xValue:color:
Configuring a Page
NSString *	pageTitle property
Subclassing
The following methods are provided to aid in subclassing and are not meant to be used externally.
UILabel *	titleLabel property
(UILabel *)	- label
Creating a Page
(NIOverviewPageView *)	+ page
Updating a Page
(void)	- update

Method Documentation

pageTitle

The title of the page.

@property (nonatomic, copy) NSString* pageTitle;

titleLabel

The title label for this page.

@property (nonatomic, readonly, strong) UILabel* titleLabel;

Discussion

By default this label will be placed flush to the bottom middle of the page.

page

Returns an autoreleased instance of this view.

+ (NIOverviewPageView*)page;

update

Request that this page update its information.

- (void)update;

Discussion

Should be implemented by the subclass. The default implementation does nothing.

label

Creates a generic label for use in the page.

- (UILabel*)label;

graphViewXRange:

Fetches the total range of all x values for this graph.

- (CGFloat)graphViewXRange:(NIOverviewGraphView *)graphView;

graphViewYRange:

Fetches the total range of all y values for this graph.

- (CGFloat)graphViewYRange:(NIOverviewGraphView *)graphView;

resetPointIterator

The data source should reset its iterator for fetching points in the graph.

- (void)resetPointIterator;

nextPointInGraphView:point:

Fetches the next point in the graph to plot.

- (BOOL)nextPointInGraphView:(NIOverviewGraphView *)graphView point:(CGPoint *)point;

resetEventIterator

The data source should reset its iterator for fetching events in the graph.

- (void)resetEventIterator;

nextEventInGraphView:xValue:color:

Fetches the next event in the graph to plot.

- (BOOL)nextEventInGraphView:(NIOverviewGraphView *)graphView xValue:(CGFloat *)xValue color:(UIColor *)*color;