visad.browser
Class Widget

java.lang.Object
  java.awt.Component
      java.awt.Container
          java.awt.Panel
              visad.browser.Widget

All Implemented Interfaces:

ImageObserver, MenuContainer, Serializable, Accessible

Direct Known Subclasses:

ContourWidget, GMCWidget

public abstract class Widget
extends Panel

Abstract superclass for all browser widgets.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.Panel

Panel.AccessibleAWTPanel

Nested classes/interfaces inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

protected static boolean	DEBUG Debugging flag.
protected static String	FALSE Coded string value for false.
protected static Color	PALE_GRAY
protected static String	TRUE Coded string value for true.

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

Widget()
Performs GUI setup common to all widgets.

Method Summary

protected void	addComponent(Component c, GridBagLayout layout, int x, int y, int w, int h, double wx, double wy) Adds a component to the applet with the specified constraints.
void	addWidgetListener(WidgetListener l) Adds a widget listener.
static boolean	containedIn(int px, int py, int x, int y, int w, int h) Returns true if (px, py) is inside (x, y, w, h)
abstract String	getSaveString() Gets a string representing this widget's current state.
void	notifyListeners(WidgetEvent e) Notifies all widget listeners of the given widget event.
void	removeWidgetListener(WidgetListener l) Removes a widget listener.
abstract void	setSaveString(String save) Reconstructs this widget's state using the specified save string.
protected void	testWidget() Pops up a frame to test this widget.

Methods inherited from class java.awt.Panel

addNotify, getAccessibleContext

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, 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, paramString, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setComponentZOrder, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setFont, setLayout, transferFocusBackward, transferFocusDownCycle, update, 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, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, 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, 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, resize, resize, 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

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG

protected static final boolean DEBUG

Debugging flag.

See Also:

Constant Field Values

TRUE

protected static final String TRUE

Coded string value for true.

See Also:

Constant Field Values

FALSE

protected static final String FALSE

Coded string value for false.

See Also:

Constant Field Values

PALE_GRAY

protected static final Color PALE_GRAY

Constructor Detail

Widget

public Widget()

Performs GUI setup common to all widgets.

Method Detail

containedIn

public static boolean containedIn(int px,
                                  int py,
                                  int x,
                                  int y,
                                  int w,
                                  int h)

Returns true if (px, py) is inside (x, y, w, h)

addComponent

protected void addComponent(Component c,
                            GridBagLayout layout,
                            int x,
                            int y,
                            int w,
                            int h,
                            double wx,
                            double wy)

Adds a component to the applet with the specified constraints.

testWidget

protected void testWidget()

Pops up a frame to test this widget.

addWidgetListener

public void addWidgetListener(WidgetListener l)

Adds a widget listener.

removeWidgetListener

public void removeWidgetListener(WidgetListener l)

Removes a widget listener.

notifyListeners

public void notifyListeners(WidgetEvent e)

Notifies all widget listeners of the given widget event.

getSaveString

public abstract String getSaveString()

Gets a string representing this widget's current state.

setSaveString

public abstract void setSaveString(String save)

Reconstructs this widget's state using the specified save string.