Class RabattPanel15

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--javax.swing.JComponent
                    |
                    +--javax.swing.JPanel
                          |
                          +--RabattPanel15
All Implemented Interfaces:
javax.accessibility.Accessible, java.awt.event.ActionListener, java.util.EventListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable

class RabattPanel15
extends javax.swing.JPanel
implements java.awt.event.ActionListener

Grafische Benutzerschnittstelle zur Berechnug von Rabatten. Das Panel stellt die berechneten Daten immer mit den zuletzt gültigen Eingabendaten als float values bereit. Sollte noch keine Berechnung erfolgt sein, wird die Abfrage der Daten stets (float)0.0 sein.

See Also:
Serialized Form

Inner classes inherited from class javax.swing.JPanel
javax.swing.JPanel.AccessibleJPanel
 
Inner classes inherited from class javax.swing.JComponent
javax.swing.JComponent.AccessibleJComponent, javax.swing.JComponent.ActionStandin, javax.swing.JComponent.IntVector, javax.swing.JComponent.KeyboardState
 
Inner classes inherited from class java.awt.Container
java.awt.Container.AccessibleAWTContainer
 
Inner classes inherited from class java.awt.Component
java.awt.Component.AccessibleAWTComponent, java.awt.Component.AWTTreeLock
 
Field Summary
private  javax.swing.JTextField ausgabeFeld
          Enthält die textuelle Wiedergabe des Ergebnisses der Rabatt-Berechnung
private  float betrag
          Ausgangsbetrags
private  javax.swing.JTextField betragFeld
          Enthält die textuelle Eingabe des Ausgangsbetrags.
private  float rabatt
          Prozentuale Minderung des Betrags
private  javax.swing.JTextField rabattFeld
          Enthält die textuelle Eingabe der prozentualen Minderung des Ausgangsbetrags
private  float result
          Resultat der Rabattberechnung
 
Fields inherited from class javax.swing.JPanel
defaultLayout, uiClassID
 
Fields inherited from class javax.swing.JComponent
_bounds, accessibleContext, actionMap, ACTIONMAP_CREATED, alignmentX, alignmentY, ANCESTOR_INPUTMAP_CREATED, ANCESTOR_USING_BUFFER, ancestorInputMap, ancestorNotifier, autoscroller, border, changeSupport, clientProperties, CREATED_DOUBLE_BUFFER, flags, FOCUS_INPUTMAP_CREATED, focusInputMap, HAS_FOCUS, htmlKey, htmlView, inputVerifier, IS_DOUBLE_BUFFERED, IS_OPAQUE, IS_PAINTING_TILE, IS_PRINTING, IS_PRINTING_ALL, KEY_EVENTS_ENABLED, KEYBOARD_BINDINGS_KEY, listenerList, maximumSize, minimumSize, NEXT_FOCUS, paintImmediatelyClip, paintingChild, preferredSize, readObjectCallbacks, REQUEST_FOCUS_DISABLED, tmpRect, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, verifyInputWhenFocusTarget, vetoableChangeSupport, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW, WHEN_IN_FOCUSED_WINDOW_BINDINGS, WIF_INPUTMAP_CREATED, windowInputMap
 
Fields inherited from class java.awt.Container
component, containerListener, containerSerializedDataVersion, dbg, dispatcher, layoutMgr, listeningBoundsChildren, listeningChildren, maxSize, ncomponents, printing, printingThreads, serialVersionUID
 
Fields inherited from class java.awt.Component
actionListenerK, adjustmentListenerK, appContext, background, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, componentListener, componentListenerK, componentOrientation, componentSerializedDataVersion, containerListenerK, cursor, dropTarget, enabled, eventMask, focusListener, focusListenerK, font, foreground, graphicsConfig, hasFocus, height, hierarchyBoundsListener, hierarchyBoundsListenerK, hierarchyListener, hierarchyListenerK, incRate, inputMethodListener, inputMethodListenerK, isInc, isPacked, itemListenerK, keyListener, keyListenerK, LEFT_ALIGNMENT, locale, LOCK, metrics, minSize, mouseListener, mouseListenerK, mouseMotionListener, mouseMotionListenerK, name, nameExplicitlySet, newEventsOnly, ownedWindowK, parent, peer, peerFont, popups, prefSize, privateKey, RIGHT_ALIGNMENT, textListenerK, TOP_ALIGNMENT, valid, visible, width, windowClosingException, windowListenerK, x, y
 
Fields inherited from interface java.awt.image.ImageObserver
ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH
 
Constructor Summary
RabattPanel15()
          CREATOR
 
Method Summary
 void actionPerformed(java.awt.event.ActionEvent ae)
          Klasseninterner ActionListener
private  void calculate()
          Berechnug durchführen und konsistente Daten ablegen
 float getBetrag()
          Ausgangsbetrag übergeben
 float getRabatt()
          Prozentuale Minderung übergeben
 float getResult()
          Resultat der Berechnung übergeben
private  boolean inputOk(java.lang.String input)
          Test, ob (Eingabe)String in float-Wert wandelbar ist
private  void setBetrag(float value)
          Ausgangsbetrag in Eingabefeld stellen
private  void setColor(javax.swing.JTextField field, boolean error)
          Farbe eines Eingabefeldes setzen.
private  void setRabatt(float value)
          Prozentuale Minderung in Eingabefeld stellen
private  float valueOf(java.lang.String text)
          Wert eines Strings ermitteln.
 
Methods inherited from class javax.swing.JPanel
, getAccessibleContext, getUIClassID, paramString, updateUI, writeObject
 
Methods inherited from class javax.swing.JComponent
_paintImmediately, addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, adjustPaintFlags, alwaysOnTop, checkIfChildObscuredBySibling, clearFocusOwners, componentInputMapChanged, computeVisibleRect, computeVisibleRect, compWriteObjectNotify, contains, createToolTip, disable, enable, enableSerialization, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getActionMap, getAlignmentX, getAlignmentY, getAutoscrolls, getBorder, getBounds, getClientProperties, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getCreatedDoubleBuffer, getDebugGraphicsOptions, getFlag, getGraphics, getHeight, getInputMap, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getVerifyInputWhenFocusTarget, getVisibleRect, getWidth, getX, getY, grabFocus, hasFocus, hide, isDoubleBuffered, isFocusCycleRoot, isFocusTraversable, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, paintWithBuffer, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processFocusEvent, processKeyBinding, processKeyBindings, processKeyBindingsForAllComponents, processKeyEvent, processMouseMotionEvent, putClientProperty, readObject, rectangleIsObscured, rectangleIsObscuredBySibling, registerKeyboardAction, registerKeyboardAction, registerWithKeyboardManager, registerWithKeyboardManager, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setCreatedDoubleBuffer, setDebugGraphicsOptions, setDoubleBuffered, setEnabled, setFlag, setFont, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPaintingChild, setPreferredSize, setRequestFocusEnabled, setToolTipText, setUI, setVerifyInputWhenFocusTarget, setVisible, shouldDebugGraphics, superProcessMouseMotionEvent, unregisterKeyboardAction, unregisterWithKeyboardManager, unregisterWithKeyboardManager, update
 
Methods inherited from class java.awt.Container
add, add, add, add, add, addContainerListener, addImpl, adjustListeningChildren, applyOrientation, checkGD, countComponents, createChildHierarchyEvents, createHierarchyEvents, deliverEvent, dispatchEventImpl, dispatchEventToSelf, doLayout, eventEnabled, findComponentAt, findComponentAt, findComponentAt, getAccessibleAt, getAccessibleChild, getAccessibleChildrenCount, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents_NoClientCode, getComponents, getLayout, getMouseEventTarget, getWindow, initIDs, insets, invalidate, invalidateTree, isAncestorOf, layout, lightweightPaint, lightweightPrint, list, list, locate, minimumSize, nextFocus, numListening, paintComponents, paintHeavyweightComponents, postProcessKeyEvent, postsOldMouseEvents, preferredSize, preProcessKeyEvent, printComponents, printHeavyweightComponents, processContainerEvent, processEvent, proxyEnableEvents, proxyRequestFocus, remove, remove, removeAll, removeContainerListener, setFocusOwner, setLayout, transferFocus, validate, validateTree
 
Methods inherited from class java.awt.Component
action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, areInputMethodsEnabled, bounds, checkImage, checkImage, checkWindowClosingException, coalesceEvents, constructComponentName, contains, createImage, createImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, getAccessibleIndexInParent, getAccessibleStateSet, getBackground, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont_NoClientCode, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getInputContext, getInputMethodRequests, getLocale, getLocation, getLocationOnScreen_NoTreeLock, getLocationOnScreen, getName, getNativeContainer, getParent_NoClientCode, getParent, getPeer, getSize, getToolkit, getToolkitImpl, getTreeLock, getWindowForObject, gotFocus, handleEvent, imageUpdate, inside, isDisplayable, isEnabled, isEnabledImpl, isLightweight, isRecursivelyVisible, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, repaint, repaint, repaint, resetGC, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, wait, wait, wait
 

Field Detail

betragFeld

private javax.swing.JTextField betragFeld
Enthält die textuelle Eingabe des Ausgangsbetrags.

rabattFeld

private javax.swing.JTextField rabattFeld
Enthält die textuelle Eingabe der prozentualen Minderung des Ausgangsbetrags

ausgabeFeld

private javax.swing.JTextField ausgabeFeld
Enthält die textuelle Wiedergabe des Ergebnisses der Rabatt-Berechnung

betrag

private float betrag
Ausgangsbetrags

rabatt

private float rabatt
Prozentuale Minderung des Betrags

result

private float result
Resultat der Rabattberechnung
Constructor Detail

RabattPanel15

public RabattPanel15()
CREATOR
Method Detail

getBetrag

public float getBetrag()
Ausgangsbetrag übergeben

getRabatt

public float getRabatt()
Prozentuale Minderung übergeben

getResult

public float getResult()
Resultat der Berechnung übergeben

setBetrag

private void setBetrag(float value)
Ausgangsbetrag in Eingabefeld stellen

setRabatt

private void setRabatt(float value)
Prozentuale Minderung in Eingabefeld stellen

valueOf

private float valueOf(java.lang.String text)
Wert eines Strings ermitteln. System wird im Fehlerfall verlassen

calculate

private void calculate()
Berechnug durchführen und konsistente Daten ablegen

inputOk

private boolean inputOk(java.lang.String input)
Test, ob (Eingabe)String in float-Wert wandelbar ist

setColor

private void setColor(javax.swing.JTextField field,
                      boolean error)
Farbe eines Eingabefeldes setzen. Gelb/rot und Focus wenn error, sonst schwarz/weiß

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent ae)
Klasseninterner ActionListener
Specified by:
actionPerformed in interface java.awt.event.ActionListener