Class FieldPanel

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected BackgroundColorModel backgroundColorModel  
      static int MOUSEWHEEL_LINES_TO_SCROLL  
      protected PaintContext paintContext  
      • 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
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addFieldInputListener​(FieldInputListener listener)  
      void addFieldLocationListener​(FieldLocationListener listener)  
      void addFieldMouseListener​(FieldMouseListener listener)  
      void addFieldSelectionListener​(FieldSelectionListener listener)  
      void addHighlightListener​(FieldSelectionListener listener)  
      void addIndexScrollListener​(IndexScrollListener listener)  
      void addLayoutListener​(LayoutListener listener)  
      void addLiveFieldSelectionListener​(FieldSelectionListener listener)
      Adds a selection listener that will be notified while the selection is being created
      void addViewListener​(ViewListener listener)  
      void center​(FieldLocation location)  
      void clearHighlight()
      Clears the marked area highlight;
      void clearSelection()
      Clears the selection;
      void cursorBottomOfFile()  
      void cursorDown()  
      void cursorEnd()
      Moves the cursor to the end of the line.
      void cursorHome()
      Moves the cursor to the beginning of the line.
      void cursorLeft()  
      void cursorRight()  
      void cursorTopOfFile()  
      void cursorUp()  
      void dataChanged​(java.math.BigInteger start, java.math.BigInteger end)
      Called when the data at an index or range of indexes changes.
      void dispose()
      Cleans up resources when this FieldPanel is no longer needed.
      void enableSelection​(boolean b)  
      java.awt.Color getBackground()  
      java.awt.Color getBackgroundColor()
      Returns the default background color.
      java.awt.Color getBackgroundColor​(java.math.BigInteger index)  
      Field getCurrentField()  
      java.awt.Rectangle getCursorBounds()  
      FieldLocation getCursorLocation()  
      int getCursorOffset()
      Returns the offset of the cursor from the top of the screen
      java.awt.Point getCursorPoint()
      Returns the point in pixels of where the cursor is located.
      Field getFieldAt​(int x, int y, FieldLocation loc)
      Returns the Field at the given x,y coordinates.
      java.awt.Color getFocusedCursorColor()
      Returns the current cursor color.
      java.awt.Color getForegroundColor()
      Returns the foreground color.
      int getHeight​(java.math.BigInteger index)  
      FieldSelection getHighlight()
      Returns the current highlight (marked area).
      java.awt.Color getHighlightColor()
      Returns the color color used as the background for highlighted items.
      HoverHandler getHoverHandler()
      Returns the class responsible for triggering popups for this field panel.
      java.math.BigInteger getIndexAfter​(java.math.BigInteger index)  
      java.math.BigInteger getIndexBefore​(java.math.BigInteger index)  
      java.math.BigInteger getIndexCount()  
      LayoutModel getLayoutModel()  
      protected LayoutBackgroundColorManager getLayoutSelectionMap​(java.math.BigInteger layoutIndex)  
      FieldLocation getLocationForPoint​(int x, int y)  
      java.awt.Color getNonFocusCursorColor()  
      int getOffset​(FieldLocation location)  
      java.awt.Point getPointForLocation​(FieldLocation location)  
      java.awt.Dimension getPreferredSize()  
      FieldSelection getSelection()
      Returns the current selection.
      java.awt.Color getSelectionColor()
      Returns the color used as the background for selected items.
      ViewerPosition getViewerPosition()
      Returns a ViewerPosition object which contains the top of screen information.
      AnchoredLayout getVisibleEndLayout()
      Returns the last visible layout or null if there are no visible layouts
      java.util.List<AnchoredLayout> getVisibleLayouts()  
      AnchoredLayout getVisibleStartLayout()
      Returns the first visible layout or null if there are no visible layouts
      void goTo​(java.math.BigInteger index, int fieldNum, int row, int col, boolean alwaysCenterCursor)
      Sets the cursor to the given Field location and attempts to show that location in the center of the screen.
      protected void goTo​(java.math.BigInteger index, int fieldNum, int row, int col, boolean alwaysCenterCursor, EventTrigger trigger)  
      boolean isCursorOn()
      Returns the state of the cursor.
      boolean isFocused()  
      boolean isLocationVisible​(FieldLocation location)
      Returns true if the given field location is rendered on the screen; false if scrolled offscreen
      boolean isStartDragOK()  
      boolean isUniformIndex()  
      void modelSizeChanged​(IndexMapper indexMapper)
      Called whenever the number of indexes changed
      void pageDown()  
      void pageUp()  
      protected void paintComponent​(java.awt.Graphics g)  
      void positionCursor​(int offset)
      Scrolls the view so that the cursor is at the given offset from the top of the screen
      void removeFieldInputListener​(FieldInputListener listener)  
      void removeFieldLocationListener​(FieldLocationListener listener)  
      void removeFieldMouseListener​(FieldMouseListener listener)  
      void removeFieldSelectionListener​(FieldSelectionListener listener)  
      void removeHighlightListener​(FieldSelectionListener listener)  
      void removeIndexScrollListener​(IndexScrollListener listener)  
      void removeLayoutListener​(LayoutListener listener)  
      void removeLiveFieldSelectionListener​(FieldSelectionListener listener)
      Removes the selection listener from being notified when the selection is being created
      void removeViewListener​(ViewListener listener)  
      void repaint()  
      void scrollLineDown()  
      void scrollLineUp()  
      void scrollPageDown()  
      void scrollPageUp()  
      void scrollTo​(FieldLocation fieldLocation)  
      void scrollToCursor()  
      void scrollView​(int viewAmount)  
      void setBackgroundColor​(java.awt.Color c)
      Sets the default background color
      void setBackgroundColorModel​(BackgroundColorModel model)  
      void setBlinkCursor​(java.lang.Boolean blinkCursor)  
      void setBounds​(int x, int y, int width, int height)  
      void setCursorOn​(boolean cursorOn)
      Sets the cursor on or off.
      boolean setCursorPosition​(java.math.BigInteger index, int fieldNum, int row, int col)
      Sets the cursorPosition to the given location.
      boolean setCursorPosition​(java.math.BigInteger index, int fieldNum, int row, int col, EventTrigger trigger)
      Sets the cursorPosition to the given location with the given trigger.
      void setFocusedCursorColor​(java.awt.Color color)
      Sets the cursor color for when this component has focus.
      void setHighlight​(FieldSelection sel)
      Sets the current highlight to the specified field selection.
      void setHighlightColor​(java.awt.Color color)
      Sets the highlight color
      void setHorizontalScrollingEnabled​(boolean enabled)  
      void setHoverProvider​(HoverProvider hoverProvider)
      Add a new hover provider to be managed.
      void setLayoutModel​(LayoutModel model)
      Sets the layout model for this field panel
      void setNonFocusCursorColor​(java.awt.Color color)
      Sets the cursor color for when this component does not have focus.
      void setSelection​(FieldSelection sel)
      Sets the current selection.
      void setSelectionColor​(java.awt.Color color)
      Sets the selection color
      void setViewerPosition​(java.math.BigInteger index, int xPos, int yPos)
      Scrolls the display to show the layout specified by index at the vertical position specified by yPos.
      void showIndex​(java.math.BigInteger layoutIndex, int verticalOffset)  
      void stateChanged​(javax.swing.event.ChangeEvent e)  
      void takeFocus()
      Tell the panel to grab the keyboard input focus.
      • Methods inherited from class javax.swing.JPanel

        getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI
      • Methods inherited from class javax.swing.JComponent

        addAncestorListener, addNotify, 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, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, 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, doLayout, 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, 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, requestFocus, requestFocus, requestFocusInWindow, resize, resize, 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

    • Method Detail

      • showIndex

        public void showIndex​(java.math.BigInteger layoutIndex,
                              int verticalOffset)
        Specified by:
        showIndex in interface IndexedScrollable
      • scrollView

        public void scrollView​(int viewAmount)
      • scrollTo

        public void scrollTo​(FieldLocation fieldLocation)
      • pageUp

        public void pageUp()
      • pageDown

        public void pageDown()
      • getIndexAfter

        public java.math.BigInteger getIndexAfter​(java.math.BigInteger index)
        Specified by:
        getIndexAfter in interface IndexedScrollable
      • getIndexBefore

        public java.math.BigInteger getIndexBefore​(java.math.BigInteger index)
        Specified by:
        getIndexBefore in interface IndexedScrollable
      • cursorUp

        public void cursorUp()
      • cursorDown

        public void cursorDown()
      • cursorLeft

        public void cursorLeft()
      • cursorRight

        public void cursorRight()
      • cursorHome

        public void cursorHome()
        Moves the cursor to the beginning of the line.
      • cursorTopOfFile

        public void cursorTopOfFile()
      • cursorBottomOfFile

        public void cursorBottomOfFile()
      • cursorEnd

        public void cursorEnd()
        Moves the cursor to the end of the line.
      • getVisibleLayouts

        public java.util.List<AnchoredLayout> getVisibleLayouts()
      • isLocationVisible

        public boolean isLocationVisible​(FieldLocation location)
        Returns true if the given field location is rendered on the screen; false if scrolled offscreen
        Parameters:
        location - the location to check
        Returns:
        true if the location is on the screen
      • getVisibleStartLayout

        public AnchoredLayout getVisibleStartLayout()
        Returns the first visible layout or null if there are no visible layouts
        Returns:
        the first visible layout
      • getVisibleEndLayout

        public AnchoredLayout getVisibleEndLayout()
        Returns the last visible layout or null if there are no visible layouts
        Returns:
        the last visible layout
      • repaint

        public void repaint()
        Overrides:
        repaint in class java.awt.Component
      • getPreferredSize

        public java.awt.Dimension getPreferredSize()
        Overrides:
        getPreferredSize in class javax.swing.JComponent
      • stateChanged

        public void stateChanged​(javax.swing.event.ChangeEvent e)
        Specified by:
        stateChanged in interface javax.swing.event.ChangeListener
      • setBounds

        public void setBounds​(int x,
                              int y,
                              int width,
                              int height)
        Overrides:
        setBounds in class java.awt.Component
      • setBlinkCursor

        public void setBlinkCursor​(java.lang.Boolean blinkCursor)
      • enableSelection

        public void enableSelection​(boolean b)
      • setHorizontalScrollingEnabled

        public void setHorizontalScrollingEnabled​(boolean enabled)
      • getBackgroundColor

        public java.awt.Color getBackgroundColor()
        Returns the default background color.
      • getBackground

        public java.awt.Color getBackground()
        Overrides:
        getBackground in class java.awt.Component
      • setBackgroundColor

        public void setBackgroundColor​(java.awt.Color c)
        Sets the default background color
        Parameters:
        c - the color to use for the background.
      • getBackgroundColor

        public java.awt.Color getBackgroundColor​(java.math.BigInteger index)
      • getForegroundColor

        public java.awt.Color getForegroundColor()
        Returns the foreground color.
      • getSelectionColor

        public java.awt.Color getSelectionColor()
        Returns the color used as the background for selected items.
      • getHighlightColor

        public java.awt.Color getHighlightColor()
        Returns the color color used as the background for highlighted items.
      • getFocusedCursorColor

        public java.awt.Color getFocusedCursorColor()
        Returns the current cursor color.
      • getNonFocusCursorColor

        public java.awt.Color getNonFocusCursorColor()
      • isFocused

        public boolean isFocused()
      • dispose

        public void dispose()
        Cleans up resources when this FieldPanel is no longer needed.
      • getCursorPoint

        public java.awt.Point getCursorPoint()
        Returns the point in pixels of where the cursor is located.
      • getCursorBounds

        public java.awt.Rectangle getCursorBounds()
      • getCurrentField

        public Field getCurrentField()
      • removeFieldSelectionListener

        public void removeFieldSelectionListener​(FieldSelectionListener listener)
      • addLiveFieldSelectionListener

        public void addLiveFieldSelectionListener​(FieldSelectionListener listener)
        Adds a selection listener that will be notified while the selection is being created
        Parameters:
        listener - the listener to be notified
      • removeLiveFieldSelectionListener

        public void removeLiveFieldSelectionListener​(FieldSelectionListener listener)
        Removes the selection listener from being notified when the selection is being created
        Parameters:
        listener - the listener to be removed from being notified
      • addFieldMouseListener

        public void addFieldMouseListener​(FieldMouseListener listener)
      • removeFieldMouseListener

        public void removeFieldMouseListener​(FieldMouseListener listener)
      • addFieldInputListener

        public void addFieldInputListener​(FieldInputListener listener)
      • removeFieldInputListener

        public void removeFieldInputListener​(FieldInputListener listener)
      • removeFieldLocationListener

        public void removeFieldLocationListener​(FieldLocationListener listener)
      • addLayoutListener

        public void addLayoutListener​(LayoutListener listener)
      • removeLayoutListener

        public void removeLayoutListener​(LayoutListener listener)
      • addViewListener

        public void addViewListener​(ViewListener listener)
      • removeViewListener

        public void removeViewListener​(ViewListener listener)
      • setHoverProvider

        public void setHoverProvider​(HoverProvider hoverProvider)
        Add a new hover provider to be managed.
        Parameters:
        hoverProvider - the new hover provider to be managed.
      • getHoverHandler

        public HoverHandler getHoverHandler()
        Returns the class responsible for triggering popups for this field panel.
        Returns:
        the hover handler.
      • getFieldAt

        public Field getFieldAt​(int x,
                                int y,
                                FieldLocation loc)
        Returns the Field at the given x,y coordinates. Note the x,y must currently be visible on the screen or else this method will return null.
        Parameters:
        x - the x mouse coordinate in the component.
        y - the y mouse coordinate in the component.
        loc - will be filled in with the FieldLocation for the given point. Values will be undefined if the Field return value is null.
        Returns:
        Field the Field object the point is over.
      • clearSelection

        public void clearSelection()
        Clears the selection;
      • clearHighlight

        public void clearHighlight()
        Clears the marked area highlight;
      • setFocusedCursorColor

        public void setFocusedCursorColor​(java.awt.Color color)
        Sets the cursor color for when this component has focus.
        Parameters:
        color - Color to use for the cursor when this component has keyboard focus.
      • setNonFocusCursorColor

        public void setNonFocusCursorColor​(java.awt.Color color)
        Sets the cursor color for when this component does not have focus.
        Parameters:
        color - Color to use for the cursor when this component does not have keyboard focus.
      • getSelection

        public FieldSelection getSelection()
        Returns the current selection.
      • getHighlight

        public FieldSelection getHighlight()
        Returns the current highlight (marked area).
      • setSelection

        public void setSelection​(FieldSelection sel)
        Sets the current selection.
        Parameters:
        sel - the selection to set.
      • setHighlight

        public void setHighlight​(FieldSelection sel)
        Sets the current highlight to the specified field selection.
        Parameters:
        sel - the selection to set as the highlight.
      • setCursorPosition

        public boolean setCursorPosition​(java.math.BigInteger index,
                                         int fieldNum,
                                         int row,
                                         int col)
        Sets the cursorPosition to the given location.
        Parameters:
        index - the index of the Layout on which to place the cursor.
        fieldNum - the index of the field within its layout on which to place the cursor.
        row - the row within the field to place the cursor.
        col - the col within the row to place the cursor.
        Returns:
        true if the cursor changed
      • setCursorPosition

        public boolean setCursorPosition​(java.math.BigInteger index,
                                         int fieldNum,
                                         int row,
                                         int col,
                                         EventTrigger trigger)
        Sets the cursorPosition to the given location with the given trigger.
        Parameters:
        index - the index of the Layout on which to place the cursor.
        fieldNum - the index of the field within its layout on which to place the cursor.
        row - the row within the field to place the cursor.
        col - the col within the row to place the cursor.
        trigger - a caller-specified event trigger.
        Returns:
        true if the cursor changed
      • setCursorOn

        public void setCursorOn​(boolean cursorOn)
        Sets the cursor on or off. When the cursor is turned off, there is no visible cursor displayed on the screen.
        Parameters:
        cursorOn - true turns the cursor on, false turns it off.
      • isCursorOn

        public boolean isCursorOn()
        Returns the state of the cursor. True if on, false if off.
      • scrollToCursor

        public void scrollToCursor()
      • goTo

        public void goTo​(java.math.BigInteger index,
                         int fieldNum,
                         int row,
                         int col,
                         boolean alwaysCenterCursor)
        Sets the cursor to the given Field location and attempts to show that location in the center of the screen.
        Parameters:
        index - the index of the line to go to.
        fieldNum - the field on the line to go to.
        row - the row in the field to go to.
        col - the column in the field to go to.
        alwaysCenterCursor - if true, centers cursor on screen. Otherwise, only centers cursor if cursor is offscreen.
      • goTo

        protected void goTo​(java.math.BigInteger index,
                            int fieldNum,
                            int row,
                            int col,
                            boolean alwaysCenterCursor,
                            EventTrigger trigger)
      • takeFocus

        public void takeFocus()
        Tell the panel to grab the keyboard input focus.
      • positionCursor

        public void positionCursor​(int offset)
        Scrolls the view so that the cursor is at the given offset from the top of the screen
        Parameters:
        offset - the pixel distance from the top of the screen at which to scroll the display such that the cursor is at that offset.
      • isStartDragOK

        public boolean isStartDragOK()
      • setSelectionColor

        public void setSelectionColor​(java.awt.Color color)
        Sets the selection color
        Parameters:
        color - the color to use for selection.
      • setHighlightColor

        public void setHighlightColor​(java.awt.Color color)
        Sets the highlight color
        Parameters:
        color - the color to use for highlights.
      • getViewerPosition

        public ViewerPosition getViewerPosition()
        Returns a ViewerPosition object which contains the top of screen information. The ViewerPosition will have the index of the layout at the top of the screen and the yPos of that layout. For example, if the layout is completely displayed, yPos will be 0. If part of the layout is off the top off the screen, then yPos will have a negative value (indicating that it begins above the displayable part of the screen.
      • setViewerPosition

        public void setViewerPosition​(java.math.BigInteger index,
                                      int xPos,
                                      int yPos)
        Scrolls the display to show the layout specified by index at the vertical position specified by yPos. Generally, the index will be layout at the top of the screen and the yPos will be <= 0, meaning the layout may be partially off the top of the screen.
        Parameters:
        index - the index of the layout to show at the top of the screen.
        yPos - the position to show the layout.
      • setLayoutModel

        public void setLayoutModel​(LayoutModel model)
        Sets the layout model for this field panel
        Parameters:
        model - the layout model to use.
      • dataChanged

        public void dataChanged​(java.math.BigInteger start,
                                java.math.BigInteger end)
        Description copied from interface: LayoutModelListener
        Called when the data at an index or range of indexes changes.
        Specified by:
        dataChanged in interface LayoutModelListener
        Parameters:
        start - the starting index for the region of data changes.
        end - the ending index (inclusive) for the region of data changes.
      • modelSizeChanged

        public void modelSizeChanged​(IndexMapper indexMapper)
        Description copied from interface: LayoutModelListener
        Called whenever the number of indexes changed
        Specified by:
        modelSizeChanged in interface LayoutModelListener
        Parameters:
        indexMapper - Maps indexes from before the model size change to indexes after the model size changed.
      • paintComponent

        protected void paintComponent​(java.awt.Graphics g)
        Overrides:
        paintComponent in class javax.swing.JComponent
      • getCursorOffset

        public int getCursorOffset()
        Returns the offset of the cursor from the top of the screen
      • getPointForLocation

        public java.awt.Point getPointForLocation​(FieldLocation location)
      • getLocationForPoint

        public FieldLocation getLocationForPoint​(int x,
                                                 int y)