Package uk.ac.starlink.topcat
Class StatsWindow
- java.lang.Object
-
- java.awt.Component
-
- java.awt.Container
-
- java.awt.Window
-
- java.awt.Frame
-
- javax.swing.JFrame
-
- uk.ac.starlink.topcat.AuxWindow
-
- uk.ac.starlink.topcat.StatsWindow
-
- All Implemented Interfaces:
java.awt.image.ImageObserver
,java.awt.MenuContainer
,java.io.Serializable
,javax.accessibility.Accessible
,javax.swing.RootPaneContainer
,javax.swing.WindowConstants
public class StatsWindow extends AuxWindow
A window which displays statistics for a RowSubset in the table.- Author:
- Mark Taylor (Starlink)
- See Also:
- Serialized Form
-
-
Nested Class Summary
-
Nested classes/interfaces inherited from class javax.swing.JFrame
javax.swing.JFrame.AccessibleJFrame
-
Nested classes/interfaces inherited from class java.awt.Window
java.awt.Window.AccessibleAWTWindow, java.awt.Window.Type
-
-
Field Summary
-
Fields inherited from class java.awt.Frame
CROSSHAIR_CURSOR, DEFAULT_CURSOR, E_RESIZE_CURSOR, HAND_CURSOR, ICONIFIED, MAXIMIZED_BOTH, MAXIMIZED_HORIZ, MAXIMIZED_VERT, MOVE_CURSOR, N_RESIZE_CURSOR, NE_RESIZE_CURSOR, NORMAL, NW_RESIZE_CURSOR, S_RESIZE_CURSOR, SE_RESIZE_CURSOR, SW_RESIZE_CURSOR, TEXT_CURSOR, W_RESIZE_CURSOR, WAIT_CURSOR
-
Fields inherited from class java.awt.Component
BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT
-
-
Constructor Summary
Constructors Constructor Description StatsWindow(TopcatModel tcModel, java.awt.Component parent)
Constructs a StatsWindow to report on the statistics of data in a given TableViewer.
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
dispose()
Extends the dispose method to interrupt any pending calculations.int
getCardinalityLimit(long nvalue)
Provides the largest cardinality which is counted as valid for a given number of rows.void
setSubset(RowSubset rset)
Sets the RowSubset for which results are to be calculated.-
Methods inherited from class uk.ac.starlink.topcat.AuxWindow
addHelp, beep, confirm, createImportTableAction, createSaveTableAction, getBodyPanel, getControlPanel, getHelpMenu, getIconImage, getMainArea, getSponsorLogos, getToolBar, getWindowMenu, makeTitledBorder, makeVisible, placeProgressBar, positionAfter, recursiveSetEnabled, setBusy, setCloseIsExit, setMainHeading, setVisible
-
Methods inherited from class javax.swing.JFrame
addImpl, createRootPane, frameInit, getAccessibleContext, getContentPane, getDefaultCloseOperation, getGlassPane, getGraphics, getJMenuBar, getLayeredPane, getRootPane, getTransferHandler, isDefaultLookAndFeelDecorated, isRootPaneCheckingEnabled, paramString, processWindowEvent, remove, repaint, setContentPane, setDefaultCloseOperation, setDefaultLookAndFeelDecorated, setGlassPane, setIconImage, setJMenuBar, setLayeredPane, setLayout, setRootPane, setRootPaneCheckingEnabled, setTransferHandler, update
-
Methods inherited from class java.awt.Frame
addNotify, getCursorType, getExtendedState, getFrames, getMaximizedBounds, getMenuBar, getState, getTitle, isResizable, isUndecorated, remove, removeNotify, setBackground, setCursor, setExtendedState, setMaximizedBounds, setMenuBar, setOpacity, setResizable, setShape, setState, setTitle, setUndecorated
-
Methods inherited from class java.awt.Window
addPropertyChangeListener, addPropertyChangeListener, addWindowFocusListener, addWindowListener, addWindowStateListener, applyResourceBundle, applyResourceBundle, createBufferStrategy, createBufferStrategy, getBackground, getBufferStrategy, getFocusableWindowState, getFocusCycleRootAncestor, getFocusOwner, getFocusTraversalKeys, getIconImages, getInputContext, getListeners, getLocale, getModalExclusionType, getMostRecentFocusOwner, getOpacity, getOwnedWindows, getOwner, getOwnerlessWindows, getShape, getToolkit, getType, getWarningString, getWindowFocusListeners, getWindowListeners, getWindows, getWindowStateListeners, hide, isActive, isAlwaysOnTop, isAlwaysOnTopSupported, isAutoRequestFocus, isFocusableWindow, isFocusCycleRoot, isFocused, isLocationByPlatform, isOpaque, isShowing, isValidateRoot, pack, paint, postEvent, processEvent, processWindowFocusEvent, processWindowStateEvent, removeWindowFocusListener, removeWindowListener, removeWindowStateListener, reshape, setAlwaysOnTop, setAutoRequestFocus, setBounds, setBounds, setCursor, setFocusableWindowState, setFocusCycleRoot, setIconImages, setLocation, setLocation, setLocationByPlatform, setLocationRelativeTo, setMinimumSize, setModalExclusionType, setSize, setSize, setType, show, toBack, toFront
-
Methods inherited from class java.awt.Container
add, add, add, add, add, addContainerListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalPolicy, getInsets, getLayout, getMaximumSize, getMinimumSize, getMousePosition, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, print, printComponents, processContainerEvent, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusTraversalKeys, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setFont, 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, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, requestFocusInWindow, resize, resize, revalidate, setComponentOrientation, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setMaximumSize, setMixingCutoutShape, setName, setPreferredSize, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle
-
-
-
-
Constructor Detail
-
StatsWindow
public StatsWindow(TopcatModel tcModel, java.awt.Component parent)
Constructs a StatsWindow to report on the statistics of data in a given TableViewer. Initially, no results are displayed; call thesetSubset(uk.ac.starlink.topcat.RowSubset)
method to show some statistics.- Parameters:
tcModel
- model containing the data for the table concernedparent
- component used for window positioning
-
-
Method Detail
-
setSubset
public void setSubset(RowSubset rset)
Sets the RowSubset for which results are to be calculated. This begins calculation of the statistics in a separate thread; the table will be updated when the stats have been calculated. This method will therefore return quickly, and may be called on the event dispatcher thread. Any pre-existing calculation will be aborted, since its results will not now be required.- Parameters:
rset
- the RowSubset for which results are to be displayed
-
dispose
public void dispose()
Extends the dispose method to interrupt any pending calculations.- Overrides:
dispose
in classjava.awt.Window
-
getCardinalityLimit
public int getCardinalityLimit(long nvalue)
Provides the largest cardinality which is counted as valid for a given number of rows. Any cardinality higher than this value will not be reported. This limit is provided for two reasons: firstly for efficiency to reduce the burden of looking for a black needle in a dark haystack when it isn't there, and secondly because cardinalities equal or near to the number of good values are not very useful figures to provide, since they probably only indicate a few values which happen to be the same by chance.A cardinality, by the way, is the number of distinct values assumed by the rows in a column.
The implementation provided here is currently the lower of 50 or 0.75*nvalue.
- Parameters:
nvalue
- the number of values over which the cardinality is to be assessed- Returns:
- the largest number of distinct values which is to count as a cardinality
-
-