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java.lang.Object | +--java.awt.Component | +--java.awt.Container | +--java.awt.Panel | +--com.java4less.rchart.awt.ChartViewer
This class is a AWT Panel which can be added to any Panel or Frame. The viewer implements the following features: - It displays the chart you set with the setChart() method. - It implements scroll bars and zoom in/out buttons. - It can automatically change the cursor when the pointer moves over a value in the chart.
Field Summary | |
boolean |
allowZoom
if TRUE the +/- zoom buttons will be made visible. |
boolean |
changePointer
change mouse pointer when we are over a point |
int |
currentZoom
current value of zoom (initial value is 100) |
int |
maxZoom
maximum zoom in %. |
int |
minZoom
minimum zoom in %. |
int |
zoomIncrement
zoom increment in % for the +/- buttons. |
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 | |
ChartViewer()
constructor |
Method Summary | |
void |
actionPerformed(java.awt.event.ActionEvent e)
Action Listener: user clicked on the minus or plus button |
void |
adjustmentValueChanged(java.awt.event.AdjustmentEvent e)
Adjustment listener: scroll bar moved |
Chart |
getChart()
get chart to display |
java.awt.Dimension |
getPreferredSize()
preferred size |
void |
redrawChart()
force the chart to be repainted |
void |
setChart(Chart c)
set chart to display |
Methods inherited from class java.awt.Panel |
addNotify, getAccessibleContext |
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, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paint, paintComponents, preferredSize, print, printComponents, remove, remove, removeAll, removeContainerListener, removeNotify, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFont, setLayout, transferFocusBackward, transferFocusDownCycle, update, 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, 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, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocusInWindow, reshape, resize, resize, 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 |
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
public boolean allowZoom
public int maxZoom
public int minZoom
public int currentZoom
public int zoomIncrement
public boolean changePointer
Constructor Detail |
public ChartViewer()
Method Detail |
public java.awt.Dimension getPreferredSize()
getPreferredSize
in class java.awt.Container
public Chart getChart()
public void setChart(Chart c)
c
- public void redrawChart()
public void adjustmentValueChanged(java.awt.event.AdjustmentEvent e)
adjustmentValueChanged
in interface java.awt.event.AdjustmentListener
e
- public void actionPerformed(java.awt.event.ActionEvent e)
actionPerformed
in interface java.awt.event.ActionListener
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