Class TableRowHeader

  • All Implemented Interfaces:
    java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible, javax.swing.event.CellEditorListener, javax.swing.event.ListSelectionListener, javax.swing.event.RowSorterListener, javax.swing.event.TableColumnModelListener, javax.swing.event.TableModelListener, javax.swing.Scrollable

    public class TableRowHeader
    extends javax.swing.JTable
    Provides a component suitable for use as a rowHeader component in the same JScrollPane as is being used to house a JTable. It displays the row indices starting at 1 and increasing. If you want some other number to be displayed, override the rowNumber(int) method.

    You would normally use this class as follows:

         JTable jtab = ...
         JScrollPane scrollpane = new JScrollPane( jtab );
         scrollpane.setRowHeaderView( new TableRowHeader( jtab ) );
     
    This header will register itself as a listener on the master table's model so that it can respond to changes. In the event that the master JTable's model changes during the lifetime of this header table, then modelChanged() should be called. At construction time the master table's selection model will be installed in this header too, so that you can make row selections by clicking on the header or the master.
    Author:
    Mark Taylor (Starlink)
    See Also:
    JScrollPane, Serialized Form
    • Nested Class Summary

      • Nested classes/interfaces inherited from class javax.swing.JTable

        javax.swing.JTable.AccessibleJTable, javax.swing.JTable.DropLocation, javax.swing.JTable.PrintMode
      • Nested classes/interfaces inherited from class javax.swing.JComponent

        javax.swing.JComponent.AccessibleJComponent
      • Nested classes/interfaces inherited from class java.awt.Container

        java.awt.Container.AccessibleAWTContainer
      • Nested classes/interfaces inherited from class java.awt.Component

        java.awt.Component.AccessibleAWTComponent, java.awt.Component.BaselineResizeBehavior, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy
    • Field Summary

      • Fields inherited from class javax.swing.JTable

        AUTO_RESIZE_ALL_COLUMNS, AUTO_RESIZE_LAST_COLUMN, AUTO_RESIZE_NEXT_COLUMN, AUTO_RESIZE_OFF, AUTO_RESIZE_SUBSEQUENT_COLUMNS, autoCreateColumnsFromModel, autoResizeMode, cellEditor, cellSelectionEnabled, columnModel, dataModel, defaultEditorsByColumnClass, defaultRenderersByColumnClass, editingColumn, editingRow, editorComp, gridColor, preferredViewportSize, rowHeight, rowMargin, rowSelectionAllowed, selectionBackground, selectionForeground, selectionModel, showHorizontalLines, showVerticalLines, tableHeader
      • Fields inherited from class javax.swing.JComponent

        listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW
      • Fields inherited from class java.awt.Component

        accessibleContext, 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

      Constructors 
      Constructor Description
      TableRowHeader​(javax.swing.JTable table)
      Construct a new TableRowHeader.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.awt.Dimension getPreferredScrollableViewportSize()  
      void installOnScroller​(javax.swing.JScrollPane scroller)
      Installs this row header on a scroll pane.
      void modelChanged()
      This method should be called to notify this header that the master table's TableModel has been changed.
      long rowNumber​(int irow)
      Determines the numeric index to be displayed for a given row number into the table.
      void setLongestNumber​(long num)
      Sets the longest value that will be used in the row header field.
      • Methods inherited from class javax.swing.JTable

        addColumn, addColumnSelectionInterval, addNotify, addRowSelectionInterval, changeSelection, clearSelection, columnAdded, columnAtPoint, columnMarginChanged, columnMoved, columnRemoved, columnSelectionChanged, configureEnclosingScrollPane, convertColumnIndexToModel, convertColumnIndexToView, convertRowIndexToModel, convertRowIndexToView, createDefaultColumnModel, createDefaultColumnsFromModel, createDefaultDataModel, createDefaultEditors, createDefaultRenderers, createDefaultSelectionModel, createDefaultTableHeader, createScrollPaneForTable, doLayout, editCellAt, editCellAt, editingCanceled, editingStopped, getAccessibleContext, getAutoCreateColumnsFromModel, getAutoCreateRowSorter, getAutoResizeMode, getCellEditor, getCellEditor, getCellRect, getCellRenderer, getCellSelectionEnabled, getColumn, getColumnClass, getColumnCount, getColumnModel, getColumnName, getColumnSelectionAllowed, getDefaultEditor, getDefaultRenderer, getDragEnabled, getDropLocation, getDropMode, getEditingColumn, getEditingRow, getEditorComponent, getFillsViewportHeight, getGridColor, getIntercellSpacing, getModel, getPrintable, getRowCount, getRowHeight, getRowHeight, getRowMargin, getRowSelectionAllowed, getRowSorter, getScrollableBlockIncrement, getScrollableTracksViewportHeight, getScrollableTracksViewportWidth, getScrollableUnitIncrement, getSelectedColumn, getSelectedColumnCount, getSelectedColumns, getSelectedRow, getSelectedRowCount, getSelectedRows, getSelectionBackground, getSelectionForeground, getSelectionModel, getShowHorizontalLines, getShowVerticalLines, getSurrendersFocusOnKeystroke, getTableHeader, getToolTipText, getUI, getUIClassID, getUpdateSelectionOnSort, getValueAt, initializeLocalVars, isCellEditable, isCellSelected, isColumnSelected, isEditing, isRowSelected, moveColumn, paramString, prepareEditor, prepareRenderer, print, print, print, print, print, processKeyBinding, removeColumn, removeColumnSelectionInterval, removeEditor, removeNotify, removeRowSelectionInterval, resizeAndRepaint, rowAtPoint, selectAll, setAutoCreateColumnsFromModel, setAutoCreateRowSorter, setAutoResizeMode, setCellEditor, setCellSelectionEnabled, setColumnModel, setColumnSelectionAllowed, setColumnSelectionInterval, setDefaultEditor, setDefaultRenderer, setDragEnabled, setDropMode, setEditingColumn, setEditingRow, setFillsViewportHeight, setGridColor, setIntercellSpacing, setModel, setPreferredScrollableViewportSize, setRowHeight, setRowHeight, setRowMargin, setRowSelectionAllowed, setRowSelectionInterval, setRowSorter, setSelectionBackground, setSelectionForeground, setSelectionMode, setSelectionModel, setShowGrid, setShowHorizontalLines, setShowVerticalLines, setSurrendersFocusOnKeystroke, setTableHeader, setUI, setUpdateSelectionOnSort, setValueAt, sizeColumnsToFit, sizeColumnsToFit, sorterChanged, tableChanged, unconfigureEnclosingScrollPane, updateUI, valueChanged
      • Methods inherited from class javax.swing.JComponent

        addAncestorListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update
      • Methods inherited from class java.awt.Container

        add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, 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, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setMixingCutoutShape, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
    • Constructor Detail

      • TableRowHeader

        public TableRowHeader​(javax.swing.JTable table)
        Construct a new TableRowHeader.
    • Method Detail

      • setLongestNumber

        public void setLongestNumber​(long num)
        Sets the longest value that will be used in the row header field. This is used to configure the size of the column in pixels, so the value used should be the one that generates the longest text; typically the largest number, but for instance "-1" is longer than "1".

        If no value is set, a guess will be made based on the number of rows.

        Parameters:
        num - longest number
      • getPreferredScrollableViewportSize

        public java.awt.Dimension getPreferredScrollableViewportSize()
        Specified by:
        getPreferredScrollableViewportSize in interface javax.swing.Scrollable
        Overrides:
        getPreferredScrollableViewportSize in class javax.swing.JTable
      • modelChanged

        public void modelChanged()
        This method should be called to notify this header that the master table's TableModel has been changed.
      • rowNumber

        public long rowNumber​(int irow)
        Determines the numeric index to be displayed for a given row number into the table. The default implementation returns irow+1 so that the first row is labelled 1, the second one 2 etc, but this method may be overridden for more specialised behaviour.
        Parameters:
        irow - the row index of the displayed row (starts at zero)
        Returns:
        the number of the row it should be labelled
      • installOnScroller

        public void installOnScroller​(javax.swing.JScrollPane scroller)
        Installs this row header on a scroll pane.
        Parameters:
        scroller - scroll pane for which this component will be the row header