Class LineNumbersRuler

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

javax.swing.JPanel

net.thevpc.jeep.editor.comp.LineNumbersRuler

All Implemented Interfaces:

ImageObserver, MenuContainer, PropertyChangeListener, Serializable, EventListener, Accessible, CaretListener, DocumentListener

public class LineNumbersRuler
extends JPanel
implements CaretListener, DocumentListener, PropertyChangeListener

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class JPanel

JPanel.AccessibleJPanel

Nested classes/interfaces inherited from class JComponent

JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class Container

Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class Component

Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_L_MARGIN
static final int	DEFAULT_R_MARGIN

Fields inherited from class JComponent

listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class Component

accessibleContext, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Constructors

Constructor	Description
LineNumbersRuler()

Method Summary

Modifier and Type	Method	Description
void	caretUpdate(CaretEvent e)
void	changedUpdate(DocumentEvent e)
void	deinstall(JEditorPane editor)
int	getMinimumDisplayDigits()	Gets the minimum display digits
JScrollPane	getScrollPane(JTextComponent editorPane)	Returns the JScrollPane that contains this EditorPane, or null if no JScrollPane is the parent of this editor
void	insertUpdate(DocumentEvent e)
void	install(JEditorPane editor)
static LineNumbersRuler	installEditor(JEditorPane editor)
void	paintComponent(Graphics g)	Draw the line numbers
void	plafChanged()
void	propertyChange(PropertyChangeEvent evt)	Implement PropertyChangeListener interface
void	removeUpdate(DocumentEvent e)
void	setMinimumDisplayDigits(int minimumDisplayDigits)	Specify the minimum number of digits used to calculate the preferred width of the component.

Methods inherited from class JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class 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, getPreferredSize, 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 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 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 Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

DEFAULT_R_MARGIN

public static final int DEFAULT_R_MARGIN

See Also:

• Constant Field Values

DEFAULT_L_MARGIN

public static final int DEFAULT_L_MARGIN

See Also:

• Constant Field Values

Constructor Details

LineNumbersRuler

public LineNumbersRuler()

Method Details

getScrollPane

public JScrollPane getScrollPane(JTextComponent editorPane)

Returns the JScrollPane that contains this EditorPane, or null if no JScrollPane is the parent of this editor

installEditor

public static LineNumbersRuler installEditor(JEditorPane editor)

plafChanged

public void plafChanged()

install

public void install(JEditorPane editor)

deinstall

public void deinstall(JEditorPane editor)

getMinimumDisplayDigits

public int getMinimumDisplayDigits()

Gets the minimum display digits

Returns:

the minimum display digits

setMinimumDisplayDigits

public void setMinimumDisplayDigits(int minimumDisplayDigits)

Specify the minimum number of digits used to calculate the preferred width of the component. Default is 3.

Parameters:

minimumDisplayDigits - the number digits used in the preferred width calculation

paintComponent

public void paintComponent(Graphics g)

Draw the line numbers

Overrides:

paintComponent in class JComponent

caretUpdate

public void caretUpdate(CaretEvent e)

Specified by:

caretUpdate in interface CaretListener

changedUpdate

public void changedUpdate(DocumentEvent e)

Specified by:

changedUpdate in interface DocumentListener

insertUpdate

public void insertUpdate(DocumentEvent e)

Specified by:

insertUpdate in interface DocumentListener

removeUpdate

public void removeUpdate(DocumentEvent e)

Specified by:

removeUpdate in interface DocumentListener

propertyChange

public void propertyChange(PropertyChangeEvent evt)

Implement PropertyChangeListener interface

Specified by:

propertyChange in interface PropertyChangeListener