public class TextLineNumber extends JPanel implements CaretListener, DocumentListener, PropertyChangeListener
JPanel.AccessibleJPanel
JComponent.AccessibleJComponent
Container.AccessibleAWTContainer
Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy
Modifier and Type | Field and Description |
---|---|
static float |
CENTER |
static float |
LEFT |
static float |
RIGHT |
listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW
accessibleContext, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT
ABORT, ALLBITS, ERROR, FRAMEBITS, PROPERTIES, SOMEBITS, WIDTH
Constructor and Description |
---|
TextLineNumber(JTextComponent component)
Create a line number component for a text component.
|
TextLineNumber(JTextComponent component,
int minimumDisplayDigits)
Create a line number component for a text component.
|
Modifier and Type | Method and Description |
---|---|
void |
caretUpdate(CaretEvent e) |
void |
changedUpdate(DocumentEvent e) |
int |
getBorderGap()
Gets the border gap
|
Color |
getCurrentLineForeground()
Gets the current line rendering Color
|
float |
getDigitAlignment()
Gets the digit alignment
|
int |
getMinimumDisplayDigits()
Gets the minimum display digits
|
protected String |
getTextLineNumber(int rowStartOffset) |
boolean |
getUpdateFont()
Gets the update font property
|
void |
insertUpdate(DocumentEvent e) |
void |
paintComponent(Graphics g)
Draw the line numbers
|
void |
propertyChange(PropertyChangeEvent evt) |
void |
removeUpdate(DocumentEvent e) |
void |
setBorderGap(int borderGap)
The border gap is used in calculating the left and right insets of the
border.
|
void |
setCurrentLineForeground(Color currentLineForeground)
The Color used to render the current line digits.
|
void |
setDigitAlignment(float digitAlignment)
Specify the horizontal alignment of the digits within the component.
|
void |
setMinimumDisplayDigits(int minimumDisplayDigits)
Specify the mimimum number of digits used to calculate the preferred
width of the component.
|
void |
setUpdateFont(boolean updateFont)
Set the update font property.
|
getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI
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
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
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, getPeer, 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, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle
public static final float LEFT
public static final float CENTER
public static final float RIGHT
public TextLineNumber(JTextComponent component)
component
- the related text componentpublic TextLineNumber(JTextComponent component, int minimumDisplayDigits)
component
- the related text componentminimumDisplayDigits
- the number of digits used to calculate
the minimum width of the componentpublic boolean getUpdateFont()
public void setUpdateFont(boolean updateFont)
updateFont
- when true update the Font and repaint the line
numbers, otherwise just repaint the line numbers.public int getBorderGap()
public void setBorderGap(int borderGap)
borderGap
- the gap in pixelspublic Color getCurrentLineForeground()
public void setCurrentLineForeground(Color currentLineForeground)
currentLineForeground
- the Color used to render the current linepublic float getDigitAlignment()
public void setDigitAlignment(float digitAlignment)
digitAlignment
- LEFT, CENTER, of RIGHTpublic int getMinimumDisplayDigits()
public void setMinimumDisplayDigits(int minimumDisplayDigits)
minimumDisplayDigits
- the number digits used in the preferred
width calculationpublic void paintComponent(Graphics g)
paintComponent
in class JComponent
protected String getTextLineNumber(int rowStartOffset)
public void caretUpdate(CaretEvent e)
caretUpdate
in interface CaretListener
public void changedUpdate(DocumentEvent e)
changedUpdate
in interface DocumentListener
public void insertUpdate(DocumentEvent e)
insertUpdate
in interface DocumentListener
public void removeUpdate(DocumentEvent e)
removeUpdate
in interface DocumentListener
public void propertyChange(PropertyChangeEvent evt)
propertyChange
in interface PropertyChangeListener
Copyright © 2012-2017 The Apache Software Foundation. All Rights Reserved.