org.opensourcephysics.tools
Class Launcher

java.lang.Object
  org.opensourcephysics.tools.Launcher

Direct Known Subclasses:

LaunchBuilder

public class Launcher
extends java.lang.Object

This provides a GUI for launching osp applications and xml files.

Author:

Douglas Brown

Nested Class Summary

class	Launcher.HTMLPane A class for displaying html pages in a scrolled textPane.
class	Launcher.LaunchSet A class to save and load a set of launch tabs and Launcher static fields.

Field Summary

protected javax.swing.JMenuItem	aboutItem
static LaunchNode	activeNode
protected javax.swing.JMenuItem	authorInfoItem
protected javax.swing.JButton	backButton
protected javax.swing.JMenuItem	backItem
protected static float	baseMenuFontSize
protected java.util.Set<java.lang.String>	changedFiles
protected static javax.swing.JFileChooser	chooser
protected LaunchClassChooser	classChooser
protected static java.lang.String	classPath
protected javax.swing.JMenuItem	closeAllItem
protected javax.swing.JMenuItem	closeTabItem
protected javax.swing.JPanel	contentPane
protected static javax.swing.JLabel	creditsLabel
protected static java.lang.String	defaultFileName
protected static javax.swing.Icon	defaultIcon
protected javax.swing.JMenuItem	defaultLFItem
protected javax.swing.JMenu	diagnosticMenu
protected javax.swing.JMenu	displayMenu
protected int	divider
protected javax.swing.JMenuItem	editItem
protected boolean	editorEnabled
protected static javax.swing.Icon	ejsIcon
protected static java.util.ArrayList<java.awt.Frame>	existingFrames
protected javax.swing.JMenuItem	exitItem
protected static java.lang.String[]	extractExtensions
protected javax.swing.JMenu	fileMenu
protected javax.swing.JButton	forwardButton
javax.swing.JFrame	frame
protected static javax.swing.Timer	frameFinder
protected javax.swing.ButtonGroup	genericLFGroup
protected static javax.swing.Icon	ghostFileIcon
protected static javax.swing.Icon	greenFileIcon
protected static javax.swing.Icon	greenFolderIcon
protected javax.swing.JMenu	helpMenu
protected javax.swing.JMenuItem	hideItem
protected static int	hInit
protected static javax.swing.Icon	htmlIcon
protected java.util.ArrayList<Launcher.HTMLPane>	htmlTabList
protected javax.swing.JMenuItem	inspectItem
protected java.lang.String	jarBasePath
protected javax.swing.JMenuItem	javaLFItem
protected javax.swing.JMenuItem[]	languageItems
protected javax.swing.JMenu	languageMenu
protected static javax.swing.Icon	launchedIcon
protected static javax.swing.Icon	launchEmptyIcon
protected static javax.swing.filechooser.FileFilter	launcherFileFilter
protected static javax.swing.Icon	launchIcon
protected static javax.swing.Icon	linkIcon
protected javax.swing.event.HyperlinkListener	linkListener
protected javax.swing.JMenuItem	logItem
protected java.lang.String	lookAndFeel
protected javax.swing.JMenuItem	lookFeelItem
protected javax.swing.JMenu	lookFeelMenu
protected static javax.swing.Icon	magentaFileIcon
protected javax.swing.JToolBar	navbar
protected java.awt.Component[]	navbarAddOns
protected javax.swing.JButton	navButton
protected javax.swing.Icon	navClosedIcon
protected boolean	navigationVisible
protected javax.swing.Icon	navOpenIcon
protected java.awt.Component	navSpacer
protected boolean	newNodeSelected
protected static javax.swing.Icon	noFileIcon
protected javax.swing.JMenu	openFromJarMenu
protected javax.swing.JMenuItem	openItem
protected java.util.Set<java.lang.String>	openPaths
protected java.lang.String	password
protected javax.swing.JPopupMenu	popup
protected boolean	postEdits
protected boolean	previewing
protected LaunchNode	previousNode
protected boolean	pwRequiredToLoad
protected static javax.swing.Icon	redFileIcon
protected static javax.swing.Icon	redFolderIcon
protected static java.lang.String	releaseDate
protected static java.lang.String	resourcesPath
protected boolean	saveState
protected LaunchNode	selectedNode
protected boolean	selfContained
protected boolean	showText
protected javax.swing.JMenuItem	singleAppItem
static boolean	singleAppMode
protected static javax.swing.Icon	singletonIcon
static boolean	singletonMode
protected javax.swing.JMenuItem	sizeDownItem
protected javax.swing.JMenuItem	sizeUpItem
protected Launcher	spawner
protected javax.swing.ButtonGroup	specificLFGroup
protected static javax.swing.JDialog	splashDialog
protected static javax.swing.JLabel	splashPathLabel
protected static javax.swing.Timer	splashTimer
protected static javax.swing.JLabel	splashTitleLabel
protected javax.swing.JMenuItem	systemLFItem
protected javax.swing.JTabbedPane	tabbedPane
protected javax.swing.JDialog	tableInspector
protected java.awt.event.MouseListener	tabListener
protected java.util.ArrayList<java.awt.Component>	tabs
protected static java.lang.String	tabSetBasePath
protected java.lang.String	tabSetName
protected javax.swing.JTextPane	textPane
protected javax.swing.JScrollPane	textScroller
protected java.lang.String	title
protected LauncherUndo	undoManager
protected javax.swing.undo.UndoableEditSupport	undoSupport
protected static java.lang.String	version
protected static javax.swing.Icon	whiteFileIcon
protected static javax.swing.Icon	whiteFolderIcon
protected static int	wInit
protected static javax.swing.filechooser.FileFilter	xmlFileFilter
protected javax.swing.JDialog	xmlInspector
protected static javax.swing.filechooser.FileFilter	xsetFileFilter
protected static javax.swing.Icon	yellowFileIcon
protected static javax.swing.Icon	yellowFolderIcon

Constructor Summary

Launcher()
Constructs a bare Launcher with a splash screen.

Launcher(boolean splash)
Constructs a bare Launcher with or without a splash screen.

Launcher(java.lang.String fileName)
Constructs a Launcher and opens the specified xml file.

Launcher(java.lang.String fileName, boolean splash)
Constructs a Launcher and opens the specified xml file.

Method Summary

protected boolean	addTab(LaunchNode root) Creates a LaunchPanel with the specified root and adds it to a new tab.
void	clearHistory() Clears the navigation history.
protected void	createGUI(boolean splash) Creates the GUI.
protected void	exit() Exits this application.
protected LaunchClassChooser	getClassChooser() Gets a class chooser for selecting launchable classes from jar files.
java.awt.Container	getContentPane() Gets the content pane.
protected static java.lang.String	getDefaultJar() Gets the name of the jar containing the default launcher xml file, if any.
protected static java.lang.String	getDisplayName(java.lang.String fileName) Gets the display name of the specified file name.
int	getDivider() Gets the divider location.
protected javax.swing.Icon	getFileIcon(LaunchNode node) Gets an appropriate File icon for a node (must have non-null filename)
Launcher.HTMLPane	getHTMLTab(int i) Gets the html tab at the specified index.
protected java.lang.Object[]	getNodeAndPage(java.net.URL html) Gets the node path and page number associated with an html URL.
protected java.util.Set<java.lang.String>	getOpenPaths() Gets the paths of currently open set and tabs.
LaunchNode	getRootNode() Gets the root node of the selected launch tree.
LaunchNode	getSelectedNode() Gets the selected launch node.
LaunchPanel	getSelectedTab() Gets the LaunchPanel in the selected tab.
java.awt.Dimension	getSize() Gets the size.
LaunchPanel	getTab(int i) Gets the launch panel at the specified tab index.
int	getTabCount() Gets the current number of tabs (LaunchPanels)
protected static javax.swing.JFileChooser	getXMLChooser() Gets a file chooser for selecting xml files.
protected void	handleMousePressed(java.awt.event.MouseEvent e, LaunchPanel tab) Handles a mouse pressed event.
protected boolean	hasEJSModel(LaunchNode node) Determines whether the specified node has an associated EJS model (xml file).
protected static boolean	isLaunchable(java.lang.Class<?> type) Determines whether the specified class is launchable.
protected boolean	isLaunchable(LaunchNode node) Determines whether the specified node is launchable.
protected boolean	isLink(LaunchNode node) Determines whether the specified node is a link to another xset, tab or node.
boolean	isVisible() Reports visibility of the Launcher frame.
static void	launch(java.lang.Class<?> type) Launches an application with no arguments.
static void	launch(java.lang.Class<?> type, java.lang.String[] args) Launches an application with an array of string arguments.
static void	launch(java.lang.Class<?> type, java.lang.String[] args, LaunchNode node) Launches an application asSociated with a launch node.
protected static javax.swing.Icon	loadIcon(java.lang.String path) Loads an icon and substitutes default icon if not found.
static void	main(java.lang.String[] args) Main entry point when used as application.
protected java.lang.String	open() Opens an xml file selected with a chooser.
java.lang.String	open(java.lang.String name) Opens an xml document specified by name and displays it in a new tab (or selects the tab if already open).
java.lang.String	open(java.lang.String[] args) Opens an xml document and selects a tab and/or node specified by name.
protected void	refreshGUI() Refreshes the GUI.
protected void	refreshStringResources() Refreshes string resources.
protected boolean	removeAllTabs() Removes all tabs.
protected boolean	removeSelectedTab() Removes the selected tab.
void	setDivider(int loc) Sets the divider location.
void	setEditorEnabled(boolean enabled) Sets the editorEnabled property.
protected void	setFontLevel(int level) Sets the font level.
void	setHyperlinksEnabled(boolean enabled) Sets the hyperlinksEnabled property for all nodes.
void	setHyperlinksEnabled(LaunchNode node, boolean enabled) Sets the hyperlinksEnabled property for a specified node.
static void	setJarsOnly(boolean onlyJars) Sets the static jarsOnly property.
protected void	setLinksEnabled(javax.swing.JEditorPane textPane, boolean enabled) Enables hyperlinks for the specified JEditorPane.
protected Launcher	setLookAndFeel(java.lang.String lf, boolean always) Sets the look and feel.
void	setNavbarRightEndComponents(java.awt.Component[] comps) Sets the components to be displayed at the right end of the navigation bar.
void	setNavigationVisible(boolean vis) Sets navigation button visibility
LaunchNode	setSelectedNode(java.lang.String path) Sets the selected node by path and returns the node, or null if node not found.
LaunchNode	setSelectedNode(java.lang.String path, int pageNumber) Sets the selected node by path and returns the node, or null if node not found.
LaunchNode	setSelectedNode(java.lang.String path, int pageNumber, java.net.URL url) Sets the selected node by path and returns the node, or null if node not found.
LaunchNode	setSelectedNodeByKey(java.lang.String keywords, int pageNumber) Sets the selected node by path and returns the node, or null if node not found.
LaunchPanel	setSelectedTab(LaunchPanel tab) Sets the selected tab and returns its LaunchPanel, or null if tab not found.
LaunchPanel	setSelectedTab(java.lang.String path) Sets the selected tab by name and returns its LaunchPanel, or null if tab not found.
void	setSize(java.awt.Dimension dim) Sets the size.
void	setVisible(boolean visible) Sets the visibility of the Launcher frame.
protected void	showAboutDialog() Shows the about dialog.
protected void	showAuthorInformation() Shows the metadata dialog.
protected void	showButtonView(LaunchNode node) Displays a button view of the specified node.
protected void	showTabbedPaneView() Displays the standard tabbed pane view.
protected boolean	terminateApps() Terminates running apps.

Methods inherited from class java.lang.Object

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

Field Detail

defaultIcon

protected static final javax.swing.Icon defaultIcon

defaultFileName

protected static java.lang.String defaultFileName

resourcesPath

protected static java.lang.String resourcesPath

classPath

protected static java.lang.String classPath

tabSetBasePath

protected static java.lang.String tabSetBasePath

version

protected static java.lang.String version

releaseDate

protected static java.lang.String releaseDate

chooser

protected static javax.swing.JFileChooser chooser

xmlFileFilter

protected static javax.swing.filechooser.FileFilter xmlFileFilter

xsetFileFilter

protected static javax.swing.filechooser.FileFilter xsetFileFilter

launcherFileFilter

protected static javax.swing.filechooser.FileFilter launcherFileFilter

wInit

protected static int wInit

hInit

protected static int hInit

splashDialog

protected static javax.swing.JDialog splashDialog

creditsLabel

protected static javax.swing.JLabel creditsLabel

splashTitleLabel

protected static javax.swing.JLabel splashTitleLabel

splashPathLabel

protected static javax.swing.JLabel splashPathLabel

splashTimer

protected static javax.swing.Timer splashTimer

baseMenuFontSize

protected static float baseMenuFontSize

launchIcon

protected static javax.swing.Icon launchIcon

launchedIcon

protected static javax.swing.Icon launchedIcon

singletonIcon

protected static javax.swing.Icon singletonIcon

whiteFolderIcon

protected static javax.swing.Icon whiteFolderIcon

redFileIcon

protected static javax.swing.Icon redFileIcon

greenFileIcon

protected static javax.swing.Icon greenFileIcon

magentaFileIcon

protected static javax.swing.Icon magentaFileIcon

yellowFileIcon

protected static javax.swing.Icon yellowFileIcon

whiteFileIcon

protected static javax.swing.Icon whiteFileIcon

noFileIcon

protected static javax.swing.Icon noFileIcon

ghostFileIcon

protected static javax.swing.Icon ghostFileIcon

redFolderIcon

protected static javax.swing.Icon redFolderIcon

greenFolderIcon

protected static javax.swing.Icon greenFolderIcon

yellowFolderIcon

protected static javax.swing.Icon yellowFolderIcon

linkIcon

protected static javax.swing.Icon linkIcon

htmlIcon

protected static javax.swing.Icon htmlIcon

launchEmptyIcon

protected static javax.swing.Icon launchEmptyIcon

ejsIcon

protected static javax.swing.Icon ejsIcon

singleAppMode

public static boolean singleAppMode

singletonMode

public static boolean singletonMode

frameFinder

protected static javax.swing.Timer frameFinder

existingFrames

protected static java.util.ArrayList<java.awt.Frame> existingFrames

extractExtensions

protected static java.lang.String[] extractExtensions

activeNode

public static LaunchNode activeNode

xmlInspector

protected javax.swing.JDialog xmlInspector

tableInspector

protected javax.swing.JDialog tableInspector

divider

protected int divider

frame

public javax.swing.JFrame frame

contentPane

protected javax.swing.JPanel contentPane

tabbedPane

protected javax.swing.JTabbedPane tabbedPane

postEdits

protected boolean postEdits

navigationVisible

protected boolean navigationVisible

navbar

protected javax.swing.JToolBar navbar

navOpenIcon

protected javax.swing.Icon navOpenIcon

navClosedIcon

protected javax.swing.Icon navClosedIcon

navButton

protected javax.swing.JButton navButton

backButton

protected javax.swing.JButton backButton

forwardButton

protected javax.swing.JButton forwardButton

navSpacer

protected java.awt.Component navSpacer

navbarAddOns

protected java.awt.Component[] navbarAddOns

singleAppItem

protected javax.swing.JMenuItem singleAppItem

selectedNode

protected LaunchNode selectedNode

previousNode

protected LaunchNode previousNode

tabSetName

protected java.lang.String tabSetName

textPane

protected javax.swing.JTextPane textPane

textScroller

protected javax.swing.JScrollPane textScroller

showText

protected boolean showText

htmlTabList

protected java.util.ArrayList<Launcher.HTMLPane> htmlTabList

fileMenu

protected javax.swing.JMenu fileMenu

displayMenu

protected javax.swing.JMenu displayMenu

helpMenu

protected javax.swing.JMenu helpMenu

openItem

protected javax.swing.JMenuItem openItem

openFromJarMenu

protected javax.swing.JMenu openFromJarMenu

closeTabItem

protected javax.swing.JMenuItem closeTabItem

closeAllItem

protected javax.swing.JMenuItem closeAllItem

editItem

protected javax.swing.JMenuItem editItem

exitItem

protected javax.swing.JMenuItem exitItem

inspectItem

protected javax.swing.JMenuItem inspectItem

hideItem

protected javax.swing.JMenuItem hideItem

backItem

protected javax.swing.JMenuItem backItem

languageMenu

protected javax.swing.JMenu languageMenu

sizeUpItem

protected javax.swing.JMenuItem sizeUpItem

sizeDownItem

protected javax.swing.JMenuItem sizeDownItem

lookFeelMenu

protected javax.swing.JMenu lookFeelMenu

specificLFGroup

protected javax.swing.ButtonGroup specificLFGroup

genericLFGroup

protected javax.swing.ButtonGroup genericLFGroup

javaLFItem

protected javax.swing.JMenuItem javaLFItem

systemLFItem

protected javax.swing.JMenuItem systemLFItem

defaultLFItem

protected javax.swing.JMenuItem defaultLFItem

lookFeelItem

protected javax.swing.JMenuItem lookFeelItem

logItem

protected javax.swing.JMenuItem logItem

aboutItem

protected javax.swing.JMenuItem aboutItem

authorInfoItem

protected javax.swing.JMenuItem authorInfoItem

diagnosticMenu

protected javax.swing.JMenu diagnosticMenu

languageItems

protected javax.swing.JMenuItem[] languageItems

classChooser

protected LaunchClassChooser classChooser

popup

protected javax.swing.JPopupMenu popup

openPaths

protected java.util.Set<java.lang.String> openPaths

spawner

protected Launcher spawner

previewing

protected boolean previewing

editorEnabled

protected boolean editorEnabled

changedFiles

protected java.util.Set<java.lang.String> changedFiles

tabListener

protected java.awt.event.MouseListener tabListener

newNodeSelected

protected boolean newNodeSelected

selfContained

protected boolean selfContained

jarBasePath

protected java.lang.String jarBasePath

title

protected java.lang.String title

tabs

protected java.util.ArrayList<java.awt.Component> tabs

undoManager

protected LauncherUndo undoManager

undoSupport

protected javax.swing.undo.UndoableEditSupport undoSupport

password

protected java.lang.String password

pwRequiredToLoad

protected boolean pwRequiredToLoad

linkListener

protected javax.swing.event.HyperlinkListener linkListener

saveState

protected boolean saveState

lookAndFeel

protected java.lang.String lookAndFeel

Constructor Detail

Launcher

public Launcher()

Constructs a bare Launcher with a splash screen.

Launcher

public Launcher(boolean splash)

Constructs a bare Launcher with or without a splash screen.

Parameters:

splash - true to show the splash screen

Launcher

public Launcher(java.lang.String fileName)

Constructs a Launcher and opens the specified xml file.

Parameters:

fileName - the name of the xml file

Launcher

public Launcher(java.lang.String fileName,
                boolean splash)

Constructs a Launcher and opens the specified xml file.

Parameters:

fileName - the name of the xml file

splash - true to show the splash screen

Method Detail

getContentPane

public java.awt.Container getContentPane()

Gets the content pane.

Returns:

the content pane

getSize

public java.awt.Dimension getSize()

Gets the size.

Returns:

the size Dimension object

setSize

public void setSize(java.awt.Dimension dim)

Sets the size.

Parameters:

dim - the size Dimension

getDivider

public int getDivider()

Gets the divider location.

Returns:

the divider location

setDivider

public void setDivider(int loc)

Sets the divider location.

Parameters:

loc - the divider location

isVisible

public boolean isVisible()

Reports visibility of the Launcher frame.

Returns:

true if visible

setVisible

public void setVisible(boolean visible)

Sets the visibility of the Launcher frame.

Parameters:

visible - true to show the frame

setNavigationVisible

public void setNavigationVisible(boolean vis)

Sets navigation button visibility

Parameters:

vis - true to show navigation buttons

clearHistory

public void clearHistory()

Clears the navigation history.

setEditorEnabled

public void setEditorEnabled(boolean enabled)

Sets the editorEnabled property.

Parameters:

enabled - true to enable editing from within Launcher

setHyperlinksEnabled

public void setHyperlinksEnabled(boolean enabled)

Sets the hyperlinksEnabled property for all nodes.

Parameters:

enabled - true to enable hyperlinks in html pages

setHyperlinksEnabled

public void setHyperlinksEnabled(LaunchNode node,
                                 boolean enabled)

Sets the hyperlinksEnabled property for a specified node.

Parameters:

enabled - true to enable hyperlinks in node's html pages

getSelectedTab

public LaunchPanel getSelectedTab()

Gets the LaunchPanel in the selected tab. May return null.

Returns:

the LaunchPanel

setSelectedTab

public LaunchPanel setSelectedTab(java.lang.String path)

Sets the selected tab by name and returns its LaunchPanel, or null if tab not found.

Parameters:

path - a path that starts with the name of the tab's root node

Returns:

the LaunchPanel containing the root

setSelectedTab

public LaunchPanel setSelectedTab(LaunchPanel tab)

Sets the selected tab and returns its LaunchPanel, or null if tab not found.

Parameters:

tab - the tab to select

Returns:

the LaunchPanel containing the root

getSelectedNode

public LaunchNode getSelectedNode()

Gets the selected launch node. May return null.

Returns:

the selected launch node

setSelectedNode

public LaunchNode setSelectedNode(java.lang.String path)

Sets the selected node by path and returns the node, or null if node not found. Path is node names separated by / or \

Parameters:

path - the path of the node

Returns:

the LaunchNode

setSelectedNode

public LaunchNode setSelectedNode(java.lang.String path,
                                  int pageNumber)

Sets the selected node by path and returns the node, or null if node not found. Path is node names separated by / or \

Parameters:

path - the path of the node

pageNumber - the html page number

Returns:

the LaunchNode

setSelectedNode

public LaunchNode setSelectedNode(java.lang.String path,
                                  int pageNumber,
                                  java.net.URL url)

Sets the selected node by path and returns the node, or null if node not found. Path is node names separated by / or \

Parameters:

path - the path of the node

pageNumber - the html page number

Returns:

the LaunchNode

setSelectedNodeByKey

public LaunchNode setSelectedNodeByKey(java.lang.String keywords,
                                       int pageNumber)

Sets the selected node by path and returns the node, or null if node not found. Path is node names separated by / or \

Parameters:

keywords - the keywords of the node

pageNumber - the html page to dosplay

Returns:

the LaunchNode

getRootNode

public LaunchNode getRootNode()

Gets the root node of the selected launch tree. May return null.

Returns:

the root node

getTabCount

public int getTabCount()

Gets the current number of tabs (LaunchPanels)

Returns:

the tab count

getTab

public LaunchPanel getTab(int i)

Gets the launch panel at the specified tab index. May return null.

Parameters:

i - the tab index

Returns:

the launch panel

getHTMLTab

public Launcher.HTMLPane getHTMLTab(int i)

Gets the html tab at the specified index.

Parameters:

i - the tab index

Returns:

the html tab

open

public java.lang.String open(java.lang.String[] args)

Opens an xml document and selects a tab and/or node specified by name. args[0] may be a relative path, absolute path, or self-contained xml string. args[1] may be a tab name and/or node path.

Parameters:

args - the arguments

Returns:

the absolute path, or null if failed or currently open

open

public java.lang.String open(java.lang.String name)

Opens an xml document specified by name and displays it in a new tab (or selects the tab if already open). Name may be a relative path, absolute path, or self-contained xml string.

Parameters:

name - the name

Returns:

the absolute path, or null if failed or currently open

setNavbarRightEndComponents

public void setNavbarRightEndComponents(java.awt.Component[] comps)

Sets the components to be displayed at the right end of the navigation bar.

Parameters:

comps - the components

addTab

protected boolean addTab(LaunchNode root)

Creates a LaunchPanel with the specified root and adds it to a new tab.

Parameters:

root - the root node

Returns:

true if tab was added

showButtonView

protected void showButtonView(LaunchNode node)

Displays a button view of the specified node.

Parameters:

node - the node

showTabbedPaneView

protected void showTabbedPaneView()

Displays the standard tabbed pane view.

open

protected java.lang.String open()

Opens an xml file selected with a chooser.

Returns:

the name of the opened file

removeSelectedTab

protected boolean removeSelectedTab()

Removes the selected tab.

Returns:

true if the tab was removed

removeAllTabs

protected boolean removeAllTabs()

Removes all tabs.

Returns:

true if all tabs were removed

refreshStringResources

protected void refreshStringResources()

Refreshes string resources.

refreshGUI

protected void refreshGUI()

Refreshes the GUI.

createGUI

protected void createGUI(boolean splash)

Creates the GUI.

Parameters:

splash - true to show the splash screen

setFontLevel

protected void setFontLevel(int level)

Sets the font level.

Parameters:

level - the level

getOpenPaths

protected java.util.Set<java.lang.String> getOpenPaths()

Gets the paths of currently open set and tabs.

Returns:

the open paths

setLookAndFeel

protected Launcher setLookAndFeel(java.lang.String lf,
                                  boolean always)

Sets the look and feel.

Parameters:

lf - OSPRuntime name of look and feel

always - true to set LnF even if already set

showAboutDialog

protected void showAboutDialog()

Shows the about dialog.

showAuthorInformation

protected void showAuthorInformation()

Shows the metadata dialog.

isLink

protected boolean isLink(LaunchNode node)

Determines whether the specified node is a link to another xset, tab or node. To be a link, there must be no launch class but one or more arguments.

Parameters:

node - the launch node to verify

Returns:

true if the node is a link

hasEJSModel

protected boolean hasEJSModel(LaunchNode node)

Determines whether the specified node has an associated EJS model (xml file).

Parameters:

node - the launch node to check

Returns:

true if the node has an EJS model

isLaunchable

protected boolean isLaunchable(LaunchNode node)

Determines whether the specified node is launchable.

Parameters:

node - the launch node to verify

Returns:

true if the node is launchable

setLinksEnabled

protected void setLinksEnabled(javax.swing.JEditorPane textPane,
                               boolean enabled)

Enables hyperlinks for the specified JEditorPane.

Parameters:

textPane - the editor pane

enabled - true to enable hyperlinks

getNodeAndPage

protected java.lang.Object[] getNodeAndPage(java.net.URL html)

Gets the node path and page number associated with an html URL. May return null.

Parameters:

html - the URL

Returns:

[0] String node path, [1] Integer pageNumber

isLaunchable

protected static boolean isLaunchable(java.lang.Class<?> type)

Determines whether the specified class is launchable.

Parameters:

type - the launch class to verify

Returns:

true if the class is launchable

handleMousePressed

protected void handleMousePressed(java.awt.event.MouseEvent e,
                                  LaunchPanel tab)

Handles a mouse pressed event.

Parameters:

e - the mouse event

tab - the launch panel receiving the event

exit

protected void exit()

Exits this application.

terminateApps

protected boolean terminateApps()

Terminates running apps.

Returns:

false if process is cancelled by the user

getFileIcon

protected javax.swing.Icon getFileIcon(LaunchNode node)

Gets an appropriate File icon for a node (must have non-null filename)

Parameters:

node - the launch node

Returns:

the icon

launch

public static void launch(java.lang.Class<?> type)

Launches an application with no arguments.

Parameters:

type - the class to be launched

launch

public static void launch(java.lang.Class<?> type,
                          java.lang.String[] args)

Launches an application with an array of string arguments.

Parameters:

type - the class to be launched

args - the String array of arguments

launch

public static void launch(java.lang.Class<?> type,
                          java.lang.String[] args,
                          LaunchNode node)

Launches an application asSociated with a launch node.

Parameters:

type - the class to be launched

args - the argument array (may be null)

node - the launch node (may be null)

setJarsOnly

public static void setJarsOnly(boolean onlyJars)

Sets the static jarsOnly property.

Parameters:

onlyJars - true to restrict class paths to jar files

main

public static void main(java.lang.String[] args)

Main entry point when used as application.

Parameters:

args - args[0] may be an xml file name

getClassChooser

protected LaunchClassChooser getClassChooser()

Gets a class chooser for selecting launchable classes from jar files.

Returns:

the jar class chooser

getXMLChooser

protected static javax.swing.JFileChooser getXMLChooser()

Gets a file chooser for selecting xml files.

Returns:

the xml chooser

getDisplayName

protected static java.lang.String getDisplayName(java.lang.String fileName)

Gets the display name of the specified file name.

Parameters:

fileName - the file name

Returns:

the bare name without path or extension

getDefaultJar

protected static java.lang.String getDefaultJar()

Gets the name of the jar containing the default launcher xml file, if any.

Returns:

the jar name

loadIcon

protected static javax.swing.Icon loadIcon(java.lang.String path)

Loads an icon and substitutes default icon if not found.

Parameters:

path - the path to the icon image

Returns:

the icon