IlvGanttScrollViewHook Class Reference

Gantt chart scroll hook class. More...

#include <ilviews/gantt/gantt.h>

Inheritance diagram for IlvGanttScrollViewHook:

Public Member Functions
	IlvGanttScrollViewHook (IlvGanttChart *gantt, IlvManager *grapher, IlvView *view)
	Constructor. More...
virtual void	adjustScrollBars ()
	Computes new scroll bar locations depending on the Gantt contents.
virtual void	adjustViews (IlUShort index, IlvDirection dir)
	Adjusts the view and all other manager and grapher views aligned with this view. More...
virtual void	contentsChanged ()
	Called when the contents of the manager are changed. More...
virtual void	transformerChanged (const IlvTransformer *current, const IlvTransformer *previous)
	Called when you change the transformer of the view to which this hook is connected. More...
virtual void	viewResized ()
	Called when the view to which this hook is connected is resized. More...

Detailed Description

Gantt chart scroll hook class.

Library: ilvgantt

An IlvGanttScrollViewHook object is connected to each of the four views managed by the Gantt grapher. This hook is used to adjust scroll bars and views as needed.

See Also

IlvGanttChart.

Constructor & Destructor Documentation

IlvGanttScrollViewHook::IlvGanttScrollViewHook	(	IlvGanttChart *	gantt,
		IlvManager *	grapher,
		IlvView *	view
	)

Constructor.

The constructor initializes an IlvGanttScrollViewHook object with the parameters you provide.

Parameters

gantt	The Gantt chart.
grapher	The grapher of the Gantt chart.
view	The view.

Member Function Documentation

virtual void IlvGanttScrollViewHook::adjustViews ( IlUShort  index, IlvDirection  dir  )

virtual

Adjusts the view and all other manager and grapher views aligned with this view.

Adjusts the view indicated by index and all other manager and grapher views that are aligned with this view in the direction dir. The parameter dir can handle three possible values:

• IlvVertical
• IlvHorizontal
• IlvVertical|IlvHorizontal

Parameters

index	The position of the view.
dir	The direction in which the view will be adjusted.

virtual void IlvGanttScrollViewHook::contentsChanged ( )

virtual

Called when the contents of the manager are changed.

The default implementation calls the member function adjustScrollBars.

Reimplemented from IlvManagerViewHook.

virtual void IlvGanttScrollViewHook::transformerChanged ( const IlvTransformer *  current, const IlvTransformer *  previous  )

virtual

Called when you change the transformer of the view to which this hook is connected.

The default implementation calls the member function adjustScrollBars.

Parameters

current	The current transformer.
previous	The previous transformer.

Reimplemented from IlvManagerViewHook.

virtual void IlvGanttScrollViewHook::viewResized ( )

virtual

Called when the view to which this hook is connected is resized.

The default implementation calls the member function adjustScrollBars.

Reimplemented from IlvManagerViewHook.