 | | Interface Manipulation Package v4.0 (2008-06-25) |  | ©copyright |  |
imp.gui
Class IApplet
java.lang.Object
java.awt.Component
java.awt.Container
java.awt.Panel
java.applet.Applet
javax.swing.JApplet
imp.gui.IApplet
- All Implemented Interfaces:
- ImageObserver, MenuContainer, Serializable, Accessible, RootPaneContainer
- Direct Known Subclasses:
- AnisotropicDiffusionApplet, ClassifierApplet, EstimatorApplet, FovealSmoothingApplet, LocalMotionApplet, MappingApplet, RgbImageApplet, TrajectoryApplet, WinnerTakeAllApplet
public class IApplet
- extends JApplet
Defines an applet which can be opened as a standalone application.
Here, a basic interaction with the user environment is considered, while the applet can either be embedded in an HTML frame or opened as a standalone application.
In this context all Applet methods, inherited from Applet and related the Applet context or AppletStub are depreciated, using them generates exceptions.
Applets should not use CPU resources when the browser does not display the page that contains the applet:
if applet code doesn't launch any threads explicitly, then its is OK. Otherwise the start() and stop() method must be used.
An applet cannot load libraries or define native methods, cannot ordinarily read or write files on the host that's executing,
cannot make network connections except to the host that it came from, cannot start any program on the host that's executing it, cannot read usual system properties
(java.home java.class.path user.name user.home user.dir). All this constraints are take into account here.
- See Also:
- Serialized Form
|
Method Summary |
void |
echo(String message)
Echos a message in the status bar or in the terminal. |
String |
get(String name)
Gets an applet field value. |
static IApplet |
getApplet(String name)
Gets the named applet of the Java environment (from this document or another). |
JComponent |
getComponent()
Defines the component shown in this applet. |
static void |
main(String[] arguments)
Opens a IApplet as a standalone application with no security restriction. |
static void |
open(String title,
int width,
int height,
IApplet applet,
Value parameters)
Opens an applet as a stand-alone application. |
String |
resolve(String location)
Returns an URL resolved against the applet document URL. |
void |
show(String location,
boolean pop)
Shows a document in the user environment browser. |
| Methods inherited from class javax.swing.JApplet |
getAccessibleContext, getContentPane, getGlassPane, getGraphics, getJMenuBar, getLayeredPane, getRootPane, getTransferHandler, remove, repaint, setContentPane, setGlassPane, setJMenuBar, setLayeredPane, setLayout, setTransferHandler, update |
| Methods inherited from class java.applet.Applet |
destroy, getAppletContext, getAppletInfo, getAudioClip, getAudioClip, getCodeBase, getDocumentBase, getImage, getImage, getLocale, getParameter, getParameterInfo, isActive, newAudioClip, play, play, resize, resize, setStub, showStatus, start, stop |
| Methods inherited from class java.awt.Container |
add, add, add, add, add, addContainerListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getMousePosition, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paint, paintComponents, preferredSize, print, printComponents, remove, removeAll, removeContainerListener, removeNotify, setComponentZOrder, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setFont, transferFocusBackward, transferFocusDownCycle, validate |
| Methods inherited from class java.awt.Component |
action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, dispatchEvent, enable, enable, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocusInWindow, reshape, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setMaximumSize, setMinimumSize, setName, setPreferredSize, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusUpCycle |
echo
public void echo(String message)
- Echos a message in the status bar or in the terminal.
- Parameters:
message - The message to output.
get
public String get(String name)
- Gets an applet field value.
- Parameters:
name - The field name, predefined name are:
| name | Defines the applet name used to label it with respect to other applets |
| active | True if the applet is active else false |
| standalone | True if standalone applet, false if the applet is embedded in a document |
| host | The applet host name ("localhost" for a standalone applet) |
| document | The document containing this applet (or the applet specification for a standalone applet) |
NOTICE: field values starting with "./" are considered as relative locations and automatically resolved with respect to the applet document URL.
- Returns:
- The applet field value if any, the empty string.
getApplet
public static IApplet getApplet(String name)
- Gets the named applet of the Java environment (from this document or another).
Each applet with a parameter of name name is automatically registered and can thus be referenced. This allows interaction between applets in a browser.
- Parameters:
name - The applet name.
- Returns:
- The last registered applet with the given name if any, else null.
getComponent
public JComponent getComponent()
- Defines the component shown in this applet. This methods is called once by the init method.
The default behavior is to build the component from the definition given in the component parameter.
main
public static void main(String[] arguments)
- Opens a IApplet as a standalone application with no security restriction.
Usage: $JAVA imp.gui.IApplet <applet-definition-file> to start an G.U.I. applet defined in an HTML file.
The applet definition file should contains a
<title>..</title>
element and
an
<applet code="(applet class qualified name)" width=".." height=".."> <param name=".." value=".." /> .. </applet>
construct.
Usage: $JAVA imp.gui.IApplet -code <applet-class-name> -title <applet-title> -width <applet-width> -height <applet-height>
(-<param-name> -<param-value>) to start an G.U.I. applet using command-line parameters.
Usage: $JAVA imp.gui.IApplet to start the default G.U.I. applet.
open
public static void open(String title,
int width,
int height,
IApplet applet,
Value parameters)
- Opens an applet as a stand-alone application.
- Parameters:
title - [optional, default is ""] Operating system window title.width - [optional, default is 800] Operating system window width.height - [optional, default is 600] Operating system window height.applet - Applet to be shown an started.parameters - [optional, default is null] Applet parameters.
resolve
public String resolve(String location)
- Returns an URL resolved against the applet document URL.
- Parameters:
location - A location relative to the applet document location.
- Returns:
- The corresponding absolute location.
show
public void show(String location,
boolean pop)
throws IOException
- Shows a document in the user environment browser.
- Parameters:
location - The document URL location.pop - If true pop-up a new window else uses the existing window
- Throws:
IOException - If the action fails, because either
- a Unix/Linux mozilla client is not yet running or
- the document URL location can not be open.