BALL::VIEW::FileObserver Class Reference
[Modular Widgets]

Class for observing changes in a molecular file. More...

#include <fileObserver.h>

Inheritance diagram for BALL::VIEW::FileObserver:

[legend]

List of all members.

Public Slots
void	updateFile ()
	Look for updates in the file.
void	start ()
	Start the observation.
void	stop ()
	Stop the observation.
void	chooseFile ()
	Choose a file and start the observer.
Public Member Functions
	FileObserver (QWidget *parent=0, const char *name=0)
virtual void	initializeWidget (MainControl &main_control)
	Initialize the widget.
virtual void	checkMenu (MainControl &main_control)
	Menu checking method.
void	setFileName (String filename)
	Set the name of the molecular file to be observed.
String	getFileName () const
void	setUpdateInterval (Size msec)
	Set the update interval in milli seconds.
Protected Attributes
QAction *	start_action_
QAction *	stop_action_
QTimer	timer_
String	file_name_
QDateTime	last_vis_time_

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Detailed Description

Class for observing changes in a molecular file.

When the file changes, all current Systems are deleted and the new content of the observed molecular file is shown. Supported are all files from the MolecularFileDialog. A MolecularFileDialog must have been inserted into the MainControl.
Usage: (in from MainControl derived class)

        FileObserver* fo = new FileObserver(this, "FileObserver");
        fo->setFileName("foo.pdb");
        fo->start();

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Member Function Documentation

virtual void BALL::VIEW::FileObserver::checkMenu

(

MainControl &

main_control

)

[virtual]

Menu checking method.

This method is called MainControl::checkMenus before a popup menu is shown. It should be used to update the state of menu entries (e.g. disable or enable entries).

Parameters:

main_control

the MainControl object whose menus should be checked

Reimplemented from BALL::VIEW::ModularWidget.

virtual void BALL::VIEW::FileObserver::initializeWidget

(

MainControl &

main_control

)

[virtual]

Initialize the widget.

See also:

ModularWidget::initializeWidget

Reimplemented from BALL::VIEW::DockWidget.