org.rosuda.plugins
Class PluginDeriveVar

java.lang.Object
  org.rosuda.plugins.Plugin
      org.rosuda.plugins.PluginDeriveVar

All Implemented Interfaces:

ActionListener, EventListener

public class PluginDeriveVar
extends Plugin
implements ActionListener

Field Summary

static boolean	initializedSuccessfully
static int	lastID
static String	lastRbin
static String	lastRcall
static String	lastRver

Fields inherited from class org.rosuda.plugins.Plugin

author, cancel, desc, err, name, PT_GenTree, type

Constructor Summary

PluginDeriveVar()
create a new instance of the plugin

Method Summary

void	actionPerformed(ActionEvent e) activated if a button was pressed.
boolean	checkParameters() check consistency of the parameters; for this plugin all we need is the dataset.
boolean	execPlugin() executes plugin - generates a tree.
Object	getParameter(String par) get a plugin parameter
boolean	initPlugin() initialize plugin insteance
boolean	pluginDlg(Frame f) pop up dialog asking for variables to be used, response, library and parameters
void	setParameter(String par, Object val) set a plugin parameter

Methods inherited from class org.rosuda.plugins.Plugin

donePlugin, getAuthor, getDescription, getLastError, getName, getType

Methods inherited from class java.lang.Object

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

Field Detail

initializedSuccessfully

public static boolean initializedSuccessfully

lastRbin

public static String lastRbin

lastRver

public static String lastRver

lastRcall

public static String lastRcall

lastID

public static int lastID

Constructor Detail

PluginDeriveVar

public PluginDeriveVar()

create a new instance of the plugin

Method Detail

setParameter

public void setParameter(String par,
                         Object val)

set a plugin parameter

Overrides:

setParameter in class Plugin

Parameters:

par - parameter name

val - parameter value

getParameter

public Object getParameter(String par)

get a plugin parameter

Overrides:

getParameter in class Plugin

Parameters:

par - parameter name

Returns:

parameter value or null if not availiable

initPlugin

public boolean initPlugin()

initialize plugin insteance

Overrides:

initPlugin in class Plugin

Returns:

true if the initialization was successful

checkParameters

public boolean checkParameters()

check consistency of the parameters; for this plugin all we need is the dataset.

Overrides:

checkParameters in class Plugin

pluginDlg

public boolean pluginDlg(Frame f)

pop up dialog asking for variables to be used, response, library and parameters

Overrides:

pluginDlg in class Plugin

Parameters:

f - parent frame

Returns:

false if the selection was invalid or user pressed cancel. Check the boolean "cancel" variable to see if the cause was error or cancel

actionPerformed

public void actionPerformed(ActionEvent e)

activated if a button was pressed. It determines whether "cancer" was pressed or OK"

Specified by:

actionPerformed in interface ActionListener

execPlugin

public boolean execPlugin()

executes plugin - generates a tree. If useRserv is true then an Rserv connection is established (if not existing already due to holdConnection). If Rserv id not availiable, fall back to native R

Overrides:

execPlugin in class Plugin

Returns:

true if everything went fine, false otherwise.