jplot

Class DataChangeListener

java.lang.Object

jplot.DataChangeListener

Direct Known Subclasses:

GraphSettings

public class DataChangeListener
extends Object

This specific interface is used by classes which write data to a specific file. The class provides a title displayed in the frame with a typical '*' if the data was changed by the app but not yet saved to the file. The title is the filename or 'scratch' if null.

Constructor Summary

Constructors

Constructor and Description
DataChangeListener()

Method Summary

Modifier and Type	Method and Description
boolean	dataChanged()
JFrame	getFrame()
void	setDataChanged(boolean b) Allows to set the flag indicating that the data has changed to true or false.
void	setFrame(JFrame f)
void	setTitleName(String s)
void	setTitleString() Write the title of the CHESS frame with the actual CHESS script file, adding a '*' if the file is modified but not yet saved.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DataChangeListener

public DataChangeListener()

Method Detail

dataChanged

public boolean dataChanged()

Returns:

true if the settings were changed by the user

setFrame

public void setFrame(JFrame f)

Parameters:

f - frame

getFrame

public JFrame getFrame()

Returns:

the current frame

setTitleName

public void setTitleName(String s)

Parameters:

s - new name to be displayed in the title

setDataChanged

public void setDataChanged(boolean b)

Allows to set the flag indicating that the data has changed to true or false. This function also allows some action in the case of a data change, such as e.g. a '*' in the frame-title bar or saving the data...

Parameters:

b - true if the settings are changed

setTitleString

public void setTitleString()

Write the title of the CHESS frame with the actual CHESS script file, adding a '*' if the file is modified but not yet saved. Do nothing if JPlot is not a stand-alone app.