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ptolemy.plot
Class PlotApplet

java.lang.Object
 extended byjava.awt.Component
 extended byjava.awt.Container
 extended byjava.awt.Panel
 extended byjava.applet.Applet
 extended byjavax.swing.JApplet
 extended byptolemy.plot.PlotApplet

All Implemented Interfaces:

javax.accessibility.Accessible, java.awt.image.ImageObserver, java.awt.MenuContainer, javax.swing.RootPaneContainer, java.io.Serializable

Direct Known Subclasses:

HistogramApplet, PlotLiveApplet, PlotMLApplet, PxgraphApplet

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public class PlotApplet

extends javax.swing.JApplet

An Applet that can plot data from a URL. The URL should be specified using the dataurl applet parameter. The formatting commands are included in the file with the the data. If no URL is given, then a sample plot is generated.

Since:

Ptolemy II 0.2

Version:

$Id: PlotApplet.java,v 1.76 2005年07月30日 05:30:56 cxh Exp $

Author:

Edward A. Lee, Christopher Hylands, Contributor: Roger Robins

See Also:

PlotBox, Plot, Serialized Form

Accepted Rating:

Yellow (cxh)

Proposed Rating:

Yellow (cxh)

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Nested Class Summary

Nested classes inherited from class javax.swing.JApplet

javax.swing.JApplet.AccessibleJApplet

Nested classes inherited from class java.applet.Applet

java.applet.Applet.AccessibleApplet

Nested classes inherited from class java.awt.Panel

java.awt.Panel.AccessibleAWTPanel

Nested classes inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Nested classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

Fields inherited from class javax.swing.JApplet

accessibleContext, rootPane, rootPaneCheckingEnabled

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

PlotApplet()

Method Summary
protected void	_read(java.io.InputStream in) Read the specified stream.
protected void	_setPlotSize(int appletWidth, int appletHeight) Given the size of the applet, set the size of the plot.
java.lang.String	getAppletInfo() Return a string describing this applet.
java.lang.String[][]	getParameterInfo() Return information about parameters.
void	init() Initialize the applet.
PlotBox	newPlot() Create a new Plot object for the applet.
PlotBox	plot() Return the plot object to operate on.
void	setPlot(PlotBox plot) Set the plot object to operate on.

Methods inherited from class javax.swing.JApplet

addImpl, createRootPane, getAccessibleContext, getContentPane, getGlassPane, getJMenuBar, getLayeredPane, getRootPane, isRootPaneCheckingEnabled, paramString, remove, setContentPane, setGlassPane, setJMenuBar, setLayeredPane, setLayout, setRootPane, setRootPaneCheckingEnabled, update

Methods inherited from class java.applet.Applet

destroy, getAppletContext, getAudioClip, getAudioClip, getCodeBase, getDocumentBase, getImage, getImage, getLocale, getParameter, isActive, newAudioClip, play, play, resize, resize, setStub, showStatus, start, stop

Methods inherited from class java.awt.Panel

addNotify

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, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paint, paintComponents, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, removeAll, removeContainerListener, removeNotify, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFont, transferFocusBackward, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, 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, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Constructor Detail

PlotApplet

public PlotApplet()

Method Detail

getAppletInfo

public java.lang.String getAppletInfo()

Return a string describing this applet.

Returns:

A string describing the applet.

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getParameterInfo

public java.lang.String[][] getParameterInfo()

Return information about parameters.

Returns:

A array of arrays giving parameter names, the type, and the default value or description.

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init

public void init()

Initialize the applet. Read the applet parameters. Subclasses that extend this method and call Swing UI methods should do so in the Swing Event thread by calling SwingUtilities.invokeAndWait(). Note that some Plot methods will automatically run in the Swing Event thread, some will not. For details about SwingUtilities.invokeAndWait(), see The Sun Applet Tutorial

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newPlot

public PlotBox newPlot()

Create a new Plot object for the applet. Derived classes can redefine this method to return a different type of plot object.

Returns:

A new instance of PlotBox.

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plot

public PlotBox plot()

Return the plot object to operate on.

Returns:

The plot object associated with this applet.

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setPlot

public void setPlot(PlotBox plot)

Set the plot object to operate on.

Parameters:

plot - The plot object to associate with this applet.

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_read

protected void _read(java.io.InputStream in)
 throws java.io.IOException

Read the specified stream. Derived classes may override this to support other file formats.

Parameters:

in - The input stream.

Throws:

java.io.IOException - If the stream cannot be read.

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_setPlotSize

protected void _setPlotSize(int appletWidth,
 int appletHeight)

Given the size of the applet, set the size of the plot. Derived classes may override this to allow room for other widgets below the plot.

Parameters:

appletWidth - The width of the applet.

appletHeight - The height of the applet.

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