Class MenuKnob

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--java.awt.Panel
                    |
                    +--Awt
                          |
                          +--Caption
                                |
                                +--Knob
                                      |
                                      +--MenuKnob

All Implemented Interfaces:

javax.accessibility.Accessible, java.awt.event.ActionListener, java.awt.event.AdjustmentListener, java.util.EventListener, java.awt.event.FocusListener, java.awt.image.ImageObserver, java.awt.ItemSelectable, java.awt.event.KeyListener, java.awt.MenuContainer, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.io.Serializable

Direct Known Subclasses:

Triage

public class MenuKnob

extends Knob

implements java.awt.event.ActionListener

(#)MenuKnob.java

Version:

3.2 19-Mar-2004

A button that has a popup menu attatched to it

Author:

Holger Pfaff

See Also:

Serialized Form

Field Summary

protected Fifo	menuItems fifo that holds the menu items
protected int	selectedItem currently selected item 0 = first
static java.lang.String	SEPARATOR String that is recognized as a separator

Fields inherited from class Knob

acommand

Fields inherited from class Caption

active, activeRect, caption, entered, hrefs, iconDist, iconPos, invalid, mode

Fields inherited from class Awt

actionListener, Background, bg, big, bim, Black, BlueMask, Bold, Bolditalic, borderDepth, borderType, BOTTOM, Brighter, Bulk, BULK, C, Center, CENTER, ColorMask, componentStates, Darker, E, East, EFFECT_MASK, Esc, FILL, Flat, FontMask, fonts, FontSize0, FontSizeMask, Foreground, GreenMask, Href, HREF, Hrefend, innerInsets, insets, Italic, itemListener, jvendor, jversion, Larger, LEFT, minimumDimension, MISC_MASK, Monospaced, N, NE, None, NONE, North, NorthEast, NorthWest, Null, NW, Plain, POSITION_MASK, Raised, RAISED, RedMask, RIGHT, S, SansSerif, SE, Serif, Smaller, South, SouthEast, SouthWest, Sunken, SUNKEN, SW, Tab0, TabMask, TabSizeMask, TOP, Uline, ULINE, W, West, White

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

MenuKnob()
Standard constructor - no label - empty menu

MenuKnob(java.lang.String[] menuItems)
MenuKnob constructor - no label - initial menu

MenuKnob(java.lang.String label, java.lang.String[] menuItems)
MenuKnob constructor - initial label - initial menu

Method Summary

void	actionPerformed(java.awt.event.ActionEvent e) notify our listeners
void	addItem(java.lang.String item) append a menu item
java.lang.String	getItem(int i) return a menu item
int	getItemCount() return number of items in menu
int	getSelectedIndex() return index of currently selected item
java.lang.String	getSelectedItem() return currently selected item
java.lang.Object[]	getSelectedObjects() implement ItemSelectable
java.awt.Dimension	measureIcon() return dims needed for icon
void	onPress() pop up the menu
void	paintIcon(java.awt.Graphics g, int x, int y, int w, int h) Paint the Icon
void	select(int i) set selected item
void	select(java.lang.String i) set selected item - first matching
void	setFifo(Fifo f) replace this widgets datamodel - give it a new menu
void	setSelectedIndex(int i) set selected item

Methods inherited from class Knob

getActionCommand, mouseDragged, mouseExited, mouseMoved, mousePressed, mouseReleased, onRelease, setActionCommand

Methods inherited from class Caption

doHref, getCaption, getHref, getLabel, getMode, getText, getTitle, invalidate, isActive, isEntered, measure, measureCaption, paint, paintCaption, setActive, setCaption, setEntered, setLabel, setMode, setText, setTitle

Methods inherited from class Awt

addActionListener, addItemListener, addNotify, adjustmentValueChanged, Array2Insets, bold, bolditalic, brighter, centerWindow, Color2Esc, darker, dim, doMeasure, drawCaption, drawCaption, drawLine, drawRectangle, drawString, drawString, drawTriangle, error, exHref, exString, focusGained, focusLost, getAppletContext, getBG, getBGImage, getBGParent, getBGParentImage, getBorderDepth, getBorderRectangle, getBorderType, getColor, getColor, getFont, getFont, getFont, getInnerInsets, getInnerRectangle, getInsets, getMetrics, getMinimumSize, getMode, getPosition, getPreferredSize, getRectangle, getTab, getTopComponent, isBulk, isEffect, isFill, isHref, isMSJVM, isNS4JVM, isRaised, isSunken, isUline, italic, keyPressed, keyReleased, keyTyped, larger, loadImage, loadImageFromArchive, loadImageFromStream, loadImageFromURL, makeBim, measureCaption, measureString, monospaced, mouseClicked, mouseEntered, notifyActionListeners, notifyItemListeners, paintBackground, paintBackground, paintBim, paintBorder, plain, refresh, refresh, refreshAll, removeActionListener, removeItemListener, sansserif, serif, setBackground, setBG, setBGIfNull, setBorderDepth, setBorderType, setBorderType, setBounds, setEnabled, setFont, setFont, setForeground, setInnerInsets, setInsets, setVisible, smaller, tile, tile, update, waitForImage

Methods inherited from class java.awt.Panel

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, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getListeners, getMaximumSize, insets, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, paramString, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setLayout, 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, getLocale, 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, resize, resize, setBackground, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, 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

SEPARATOR

public static final java.lang.String SEPARATOR

String that is recognized as a separator

See Also:

Constant Field Values

menuItems

protected Fifo menuItems

fifo that holds the menu items

selectedItem

protected int selectedItem

currently selected item 0 = first

Constructor Detail

MenuKnob

public MenuKnob()

Standard constructor - no label - empty menu

MenuKnob

public MenuKnob(java.lang.String[] menuItems)

MenuKnob constructor - no label - initial menu

Parameters:

menuItems - initial menu items

MenuKnob

public MenuKnob(java.lang.String label,
                java.lang.String[] menuItems)

MenuKnob constructor - initial label - initial menu

Parameters:

label - initial label

menuItems - initial menu items

Method Detail

setFifo

public void setFifo(Fifo f)

replace this widgets datamodel - give it a new menu

Parameters:

f - fifo holding menu items

addItem

public void addItem(java.lang.String item)

append a menu item

Parameters:

item - item to append

getItem

public java.lang.String getItem(int i)

return a menu item

Parameters:

i - index of item to return

getItemCount

public int getItemCount()

return number of items in menu

getSelectedIndex

public int getSelectedIndex()

return index of currently selected item

setSelectedIndex

public void setSelectedIndex(int i)

set selected item

Parameters:

i - index of item to select

getSelectedItem

public java.lang.String getSelectedItem()

return currently selected item

select

public void select(java.lang.String i)

set selected item - first matching

Parameters:

i - string of item to select

select

public void select(int i)

set selected item

Parameters:

i - index of item to select

measureIcon

public java.awt.Dimension measureIcon()

return dims needed for icon

Overrides:

measureIcon in class Caption

paintIcon

public void paintIcon(java.awt.Graphics g,
                      int x,
                      int y,
                      int w,
                      int h)

Paint the Icon

Overrides:

paintIcon in class Caption

Parameters:

g - Graphics object to use

x - x-position of describing rect

y - y-position of describing rect

w - width of describing rect

h - height of describing rect

onPress

public void onPress()

pop up the menu

Overrides:

onPress in class Knob

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent e)

notify our listeners

Specified by:

actionPerformed in interface java.awt.event.ActionListener

getSelectedObjects

public java.lang.Object[] getSelectedObjects()

implement ItemSelectable

Specified by:

getSelectedObjects in interface java.awt.ItemSelectable

Overrides:

getSelectedObjects in class Awt