: Class TCanvas

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tapestry.support.swing
Class TCanvas

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--javax.swing.JComponent
                    |
                    +--javax.swing.JPanel
                          |
                          +--tapestry.support.swing.TCanvas

public class TCanvas
extends javax.swing.JPanel

A class that represents a blank rectangular area of the screen onto which TShapes can be drawn and user events (i.e., mouse and keyboard presses) can be accessed.

See Also:: Serialized Form

Inner classes inherited from class javax.swing.JPanel

javax.swing.JPanel.AccessibleJPanel

Inner classes inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

Fields inherited from class javax.swing.JComponent

accessibleContext,  
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

BOTTOM_ALIGNMENT,  
CENTER_ALIGNMENT,  
LEFT_ALIGNMENT,  
RIGHT_ALIGNMENT,  
TOP_ALIGNMENT

Constructor Summary
`TCanvas()` Creates a new blank canvas.

Method Summary
`void`	`addDrawable(TDrawable d)`
`java.awt.Rectangle`	`getBounds()` Returns the canvas's boundaries as a rectangle, i.e., upper-left corner (x, y) and dimensions (width, height).
`boolean`	`isFocusTraversable()`
`void`	`keyPressed(java.lang.String key)`
`void`	`keyReleased(java.lang.String key)`
`void`	`keyTyped(java.lang.String key)`
`void`	`mouseClicked(java.awt.Point pt)`
`void`	`mouseDragged(java.awt.Point pt)`
`void`	`mouseEntered(java.awt.Point pt)`
`void`	`mouseExited(java.awt.Point pt)`
`void`	`mouseMoved(java.awt.Point pt)`
`void`	`mousePressed(java.awt.Point pt)`
`void`	`mouseReleased(java.awt.Point pt)`
`protected void`	`paintComponent(java.awt.Graphics g)`
`void`	`removeDrawable(TDrawable d)`

Methods inherited from class javax.swing.JPanel

getAccessibleContext, 
getUIClassID, 
paramString, 
updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, 
addNotify, 
addPropertyChangeListener, 
addVetoableChangeListener, 
computeVisibleRect, 
contains, 
createToolTip, 
firePropertyChange, 
firePropertyChange, 
firePropertyChange, 
firePropertyChange, 
firePropertyChange, 
firePropertyChange, 
firePropertyChange, 
firePropertyChange, 
firePropertyChange, 
fireVetoableChange, 
getActionForKeyStroke, 
getAlignmentX, 
getAlignmentY, 
getAutoscrolls, 
getBorder, 
getBounds, 
getClientProperty, 
getComponentGraphics, 
getConditionForKeyStroke, 
getDebugGraphicsOptions, 
getGraphics, 
getHeight, 
getInsets, 
getInsets, 
getLocation, 
getMaximumSize, 
getMinimumSize, 
getNextFocusableComponent, 
getPreferredSize, 
getRegisteredKeyStrokes, 
getRootPane, 
getSize, 
getToolTipLocation, 
getToolTipText, 
getToolTipText, 
getTopLevelAncestor, 
getVisibleRect, 
getWidth, 
getX, 
getY, 
grabFocus, 
hasFocus, 
isDoubleBuffered, 
isFocusCycleRoot, 
isLightweightComponent, 
isManagingFocus, 
isOpaque, 
isOptimizedDrawingEnabled, 
isPaintingTile, 
isRequestFocusEnabled, 
isValidateRoot, 
paint, 
paintBorder, 
paintChildren, 
paintImmediately, 
paintImmediately, 
processComponentKeyEvent, 
processFocusEvent, 
processKeyEvent, 
processMouseMotionEvent, 
putClientProperty, 
registerKeyboardAction, 
registerKeyboardAction, 
removeAncestorListener, 
removeNotify, 
removePropertyChangeListener, 
removeVetoableChangeListener, 
repaint, 
repaint, 
requestDefaultFocus, 
requestFocus, 
resetKeyboardActions, 
reshape, 
revalidate, 
scrollRectToVisible, 
setAlignmentX, 
setAlignmentY, 
setAutoscrolls, 
setBackground, 
setBorder, 
setDebugGraphicsOptions, 
setDoubleBuffered, 
setEnabled, 
setFont, 
setForeground, 
setMaximumSize, 
setMinimumSize, 
setNextFocusableComponent, 
setOpaque, 
setPreferredSize, 
setRequestFocusEnabled, 
setToolTipText, 
setUI, 
setVisible, 
unregisterKeyboardAction, 
update

Methods inherited from class java.awt.Container

add, 
add, 
add, 
add, 
add, 
addContainerListener, 
addImpl, 
countComponents, 
deliverEvent, 
doLayout, 
findComponentAt, 
findComponentAt, 
getComponent, 
getComponentAt, 
getComponentAt, 
getComponentCount, 
getComponents, 
getLayout, 
insets, 
invalidate, 
isAncestorOf, 
layout, 
list, 
list, 
locate, 
minimumSize, 
paintComponents, 
preferredSize, 
print, 
printComponents, 
processContainerEvent, 
processEvent, 
remove, 
remove, 
removeAll, 
removeContainerListener, 
setLayout, 
validate, 
validateTree

Methods inherited from class java.awt.Component

action, 
add, 
addComponentListener, 
addFocusListener, 
addInputMethodListener, 
addKeyListener, 
addMouseListener, 
addMouseMotionListener, 
addPropertyChangeListener, 
bounds, 
checkImage, 
checkImage, 
coalesceEvents, 
contains, 
createImage, 
createImage, 
disable, 
disableEvents, 
dispatchEvent, 
enable, 
enable, 
enableEvents, 
enableInputMethods, 
getBackground, 
getColorModel, 
getComponentOrientation, 
getCursor, 
getDropTarget, 
getFont, 
getFontMetrics, 
getForeground, 
getInputContext, 
getInputMethodRequests, 
getLocale, 
getLocation, 
getLocationOnScreen, 
getName, 
getParent, 
getPeer, 
getSize, 
getToolkit, 
getTreeLock, 
gotFocus, 
handleEvent, 
hide, 
imageUpdate, 
inside, 
isDisplayable, 
isEnabled, 
isLightweight, 
isShowing, 
isValid, 
isVisible, 
keyDown, 
keyUp, 
list, 
list, 
list, 
location, 
lostFocus, 
mouseDown, 
mouseDrag, 
mouseEnter, 
mouseExit, 
mouseMove, 
mouseUp, 
move, 
nextFocus, 
paintAll, 
postEvent, 
prepareImage, 
prepareImage, 
printAll, 
processComponentEvent, 
processInputMethodEvent, 
processMouseEvent, 
remove, 
removeComponentListener, 
removeFocusListener, 
removeInputMethodListener, 
removeKeyListener, 
removeMouseListener, 
removeMouseMotionListener, 
removePropertyChangeListener, 
repaint, 
repaint, 
repaint, 
resize, 
resize, 
setBounds, 
setBounds, 
setComponentOrientation, 
setCursor, 
setDropTarget, 
setLocale, 
setLocation, 
setLocation, 
setName, 
setSize, 
setSize, 
show, 
show, 
size, 
toString, 
transferFocus

Methods inherited from class java.lang.Object

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

Constructor Detail

TCanvas

public TCanvas()

Creates a new blank canvas.

Method Detail

addDrawable

public void addDrawable(TDrawable d)

removeDrawable

public void removeDrawable(TDrawable d)

paintComponent

protected void paintComponent(java.awt.Graphics g)

Overrides:: paintComponent in class javax.swing.JComponent

getBounds

public java.awt.Rectangle getBounds()

Returns the canvas's boundaries as a rectangle, i.e., upper-left corner (x, y) and dimensions (width, height).

Overrides:: getBounds in class java.awt.Component

isFocusTraversable

public boolean isFocusTraversable()

Overrides:: isFocusTraversable in class javax.swing.JComponent

mouseMoved

public void mouseMoved(java.awt.Point pt)

mouseDragged

public void mouseDragged(java.awt.Point pt)

mousePressed

public void mousePressed(java.awt.Point pt)

mouseReleased

public void mouseReleased(java.awt.Point pt)

mouseClicked

public void mouseClicked(java.awt.Point pt)

mouseEntered

public void mouseEntered(java.awt.Point pt)

mouseExited

public void mouseExited(java.awt.Point pt)

keyPressed

public void keyPressed(java.lang.String key)

keyReleased

public void keyReleased(java.lang.String key)

keyTyped

public void keyTyped(java.lang.String key)