com.jfimagine.jfdraw.gui
Class DrawCanvas

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--javax.swing.JComponent
                    |
                    +--javax.swing.JPanel
                          |
                          +--com.jfimagine.jfdraw.gui.DrawCanvas

All Implemented Interfaces:

javax.accessibility.Accessible, java.util.EventListener, java.awt.image.ImageObserver, java.awt.event.KeyListener, java.awt.MenuContainer, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, javax.swing.Scrollable, java.io.Serializable

public class DrawCanvas

extends javax.swing.JPanel

implements javax.swing.Scrollable, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.event.KeyListener

Drawing canvas class. A main drawing canvas used to draw or show graphs.

Version:

$Revision: 1.1 $

Author:

CookieMaker

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class javax.swing.JPanel

javax.swing.JPanel.AccessibleJPanel

Nested classes inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

Nested classes inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Nested classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

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

Fields inherited from interface java.awt.image.ImageObserver

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

Constructor Summary

DrawCanvas(DrawAdapter drawAdapter, double maxUnitIncrement)
Constructor

Method Summary

void	adjustQuadrantsSize() Adjust all quadrants' size of this page
protected void	clearCanvas(java.awt.Graphics g)
void	drawGraph(java.awt.Graphics g, boolean isXorMode) Draw all graphs
protected void	finishPainting(java.awt.Graphics g) A finish painting method is used to draw the selection and currently drawing shapes after a normal graph drawing operation.
void	fireMouseEvent(java.awt.event.MouseEvent e)
java.awt.Color	getBackgroundColor() get the background color for drawing canvas
CanvasFormat	getCanvasFormat() Get canvas format.
JFPage	getDrawPage() get current drawing page
DrawState	getDrawState() get current draw state
java.lang.String	getFileName() get graph file name
GridFormat	getGridFormat() get current grid format
JFPoint	getLastMousePos() get last mouse position on this canvas.
JFOperationManager	getOperationManager() get current operation manager
java.awt.Dimension	getOriginalSize() get original size
JFPageFormat	getPageFormat() Get page format.
DrawPane	getParentDrawPane() get parent draw pane
java.awt.Dimension	getPreferredScrollableViewportSize() implements parent method in Interface Scrollable
int	getScrollableBlockIncrement(java.awt.Rectangle visibleRect, int orientation, int direction) implements parent method in Interface Scrollable
boolean	getScrollableTracksViewportHeight() implements parent method in Interface Scrollable
boolean	getScrollableTracksViewportWidth() implements parent method in Interface Scrollable
int	getScrollableUnitIncrement(java.awt.Rectangle visibleRect, int orientation, int direction) implements parent method in Interface Scrollable
Selection	getSelection() get selection object list.
JFPoint	getViewCenter() get view center of this canvas
double	getZoomScale() get zoom scale
protected void	initCanvas(java.awt.Graphics g) init canvas and clear all graph on it
boolean	isHideGrids() if hide grids now
boolean	isHidePopupMenus() if hide popupmenus now
boolean	isMetric()
boolean	isReverse() get if current current drawing canvas is under a reverse color.
boolean	isUsePageBounds() if use page bounds(or the bounds of a canvas format) to restrict drawing
void	keyPressed(java.awt.event.KeyEvent e) Invoked when a key has been pressed
void	keyReleased(java.awt.event.KeyEvent e) Invoked when a key has been released
void	keyTyped(java.awt.event.KeyEvent e) Invoked when a key has been typed.
void	mouseClicked(java.awt.event.MouseEvent e) Mouse click method required by the MouseListener interface.
void	mouseDragged(java.awt.event.MouseEvent e) Mouse dragging method required by the MouseMotionListener interface.
void	mouseEntered(java.awt.event.MouseEvent e) Mouse enter method required by the MouseListener interface.
void	mouseExited(java.awt.event.MouseEvent e) Mouse exit method required by the MouseListener interface.
void	mouseMoved(java.awt.event.MouseEvent e) Mouse move method required by the MouseMotionListener interface.
void	mousePressed(java.awt.event.MouseEvent e) Mouse press method required by the MouseListener interface.
void	mouseReleased(java.awt.event.MouseEvent e) Mouse release method required by the MouseListener interface.
void	paint(java.awt.Graphics g) repaint all graphs
void	setBackgroundColor(java.awt.Color color) set the background color for drawing canvas
void	setCanvasFormat(CanvasFormat canvasFormat) Set canvas format.
void	setDrawPage(JFPage page) set current drawing page as a new page
void	setDrawState(DrawState drawState) set current draw state
void	setFileName(java.lang.String fileName) set graph file name
void	setHideGrids(boolean hideGrids) set if hide grids
void	setHidePopupMenus(boolean hidePopupMenus) set if hide popupmenus
void	setIsMetric(boolean isMetric)
void	setLastMousePos(double x, double y) set last mouse position on this canvas.
void	setMaxUnitIncrement(int pixels) set current max unit increment while scrolling
void	setOriginalSize(java.awt.Dimension originalSize) set original size
void	setPageFormat(java.awt.print.PageFormat pageFormat) Set page format.
void	setParentDrawPane(DrawPane drawPane) set parent draw pane
void	setReverse(boolean reverse) set if current current drawing canvas is under a reverse color.
void	setUsePageBounds(boolean usePageBounds) set if use page bounds(or the bounds of a canvas format) to restrict drawing
void	setZoomScale(double zoomScale) set zoom scale
protected void	superPaint(java.awt.Graphics g) call super paint method of JPanel
void	update(java.awt.Graphics g)

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFont, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setLayout, transferFocusBackward, 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, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, 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, processMouseEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Constructor Detail

DrawCanvas

public DrawCanvas(DrawAdapter drawAdapter,
                  double maxUnitIncrement)

Constructor

Method Detail

isMetric

public boolean isMetric()

setIsMetric

public void setIsMetric(boolean isMetric)

isHideGrids

public boolean isHideGrids()

if hide grids now

setHideGrids

public void setHideGrids(boolean hideGrids)

set if hide grids

isHidePopupMenus

public boolean isHidePopupMenus()

if hide popupmenus now

setHidePopupMenus

public void setHidePopupMenus(boolean hidePopupMenus)

set if hide popupmenus

isUsePageBounds

public boolean isUsePageBounds()

if use page bounds(or the bounds of a canvas format) to restrict drawing

setUsePageBounds

public void setUsePageBounds(boolean usePageBounds)

set if use page bounds(or the bounds of a canvas format) to restrict drawing

getBackgroundColor

public java.awt.Color getBackgroundColor()

get the background color for drawing canvas

Returns:

the background color

setBackgroundColor

public void setBackgroundColor(java.awt.Color color)

set the background color for drawing canvas

isReverse

public boolean isReverse()

get if current current drawing canvas is under a reverse color.

Returns:

True if is reversed, false otherwise.

setReverse

public void setReverse(boolean reverse)

set if current current drawing canvas is under a reverse color.

Parameters:

reverse - True if is reversed, false otherwise.

getFileName

public java.lang.String getFileName()

get graph file name

setFileName

public void setFileName(java.lang.String fileName)

set graph file name

getGridFormat

public GridFormat getGridFormat()

get current grid format

Returns:

the grid format.

getZoomScale

public double getZoomScale()

get zoom scale

Returns:

the zoom scale

setZoomScale

public void setZoomScale(double zoomScale)

set zoom scale

Parameters:

zoomScale - A new zoom scale.

getViewCenter

public JFPoint getViewCenter()

get view center of this canvas

Returns:

the center point of the view rectangle of this canvas

getOriginalSize

public java.awt.Dimension getOriginalSize()

get original size

Returns:

the original size

setOriginalSize

public void setOriginalSize(java.awt.Dimension originalSize)

set original size

Parameters:

originalSize - A new original size.

getDrawState

public DrawState getDrawState()

get current draw state

setDrawState

public void setDrawState(DrawState drawState)

set current draw state

Parameters:

drawState - A new draw state.

setParentDrawPane

public void setParentDrawPane(DrawPane drawPane)

set parent draw pane

Parameters:

drawPane - a new parent drawPane

getParentDrawPane

public DrawPane getParentDrawPane()

get parent draw pane

Returns:

the parent draw pane of this draw canvas.

getLastMousePos

public JFPoint getLastMousePos()

get last mouse position on this canvas.

Returns:

last mouse position

setLastMousePos

public void setLastMousePos(double x,
                            double y)

set last mouse position on this canvas.

getDrawPage

public JFPage getDrawPage()

get current drawing page

setDrawPage

public void setDrawPage(JFPage page)

set current drawing page as a new page

getOperationManager

public JFOperationManager getOperationManager()

get current operation manager

getSelection

public Selection getSelection()

get selection object list.

paint

public void paint(java.awt.Graphics g)

repaint all graphs

Overrides:

paint in class javax.swing.JComponent

superPaint

protected void superPaint(java.awt.Graphics g)

call super paint method of JPanel

Parameters:

g - Graphics context

finishPainting

protected void finishPainting(java.awt.Graphics g)

A finish painting method is used to draw the selection and currently drawing shapes after a normal graph drawing operation.

Parameters:

g - A graphics context

update

public void update(java.awt.Graphics g)

Overrides:

update in class javax.swing.JComponent

clearCanvas

protected void clearCanvas(java.awt.Graphics g)

initCanvas

protected void initCanvas(java.awt.Graphics g)

init canvas and clear all graph on it

drawGraph

public void drawGraph(java.awt.Graphics g,
                      boolean isXorMode)

Draw all graphs

Parameters:

g - A graphics context

isXorMode - If is in xor mode now.

fireMouseEvent

public void fireMouseEvent(java.awt.event.MouseEvent e)

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

Mouse press method required by the MouseListener interface.

Specified by:

mousePressed in interface java.awt.event.MouseListener

Parameters:

e - A mouse press event.

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

Mouse release method required by the MouseListener interface.

Specified by:

mouseReleased in interface java.awt.event.MouseListener

Parameters:

e - A mouse release event.

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent e)

Mouse enter method required by the MouseListener interface.

Specified by:

mouseEntered in interface java.awt.event.MouseListener

Parameters:

e - A mouse enter event.

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)

Mouse exit method required by the MouseListener interface.

Specified by:

mouseExited in interface java.awt.event.MouseListener

Parameters:

e - A mouse exit event.

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent e)

Mouse click method required by the MouseListener interface.

Specified by:

mouseClicked in interface java.awt.event.MouseListener

Parameters:

e - A mouse click event.

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)

Mouse move method required by the MouseMotionListener interface.

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

Parameters:

e - A mouse move event.

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

Mouse dragging method required by the MouseMotionListener interface.

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

Parameters:

e - A mouse drag event.

keyTyped

public void keyTyped(java.awt.event.KeyEvent e)

Invoked when a key has been typed. This event occurs when a key press is followed by a key release.

Specified by:

keyTyped in interface java.awt.event.KeyListener

Parameters:

e - A key event object.

keyPressed

public void keyPressed(java.awt.event.KeyEvent e)

Invoked when a key has been pressed

Specified by:

keyPressed in interface java.awt.event.KeyListener

Parameters:

e - A key event object.

keyReleased

public void keyReleased(java.awt.event.KeyEvent e)

Invoked when a key has been released

Specified by:

keyReleased in interface java.awt.event.KeyListener

Parameters:

e - A key event object.

getPreferredScrollableViewportSize

public java.awt.Dimension getPreferredScrollableViewportSize()

implements parent method in Interface Scrollable

Specified by:

getPreferredScrollableViewportSize in interface javax.swing.Scrollable

getScrollableUnitIncrement

public int getScrollableUnitIncrement(java.awt.Rectangle visibleRect,
                                      int orientation,
                                      int direction)

implements parent method in Interface Scrollable

Specified by:

getScrollableUnitIncrement in interface javax.swing.Scrollable

getScrollableBlockIncrement

public int getScrollableBlockIncrement(java.awt.Rectangle visibleRect,
                                       int orientation,
                                       int direction)

implements parent method in Interface Scrollable

Specified by:

getScrollableBlockIncrement in interface javax.swing.Scrollable

getScrollableTracksViewportWidth

public boolean getScrollableTracksViewportWidth()

implements parent method in Interface Scrollable

Specified by:

getScrollableTracksViewportWidth in interface javax.swing.Scrollable

getScrollableTracksViewportHeight

public boolean getScrollableTracksViewportHeight()

implements parent method in Interface Scrollable

Specified by:

getScrollableTracksViewportHeight in interface javax.swing.Scrollable

setMaxUnitIncrement

public void setMaxUnitIncrement(int pixels)

set current max unit increment while scrolling

Parameters:

pixels - Pixels as unit for scrolling.

getPageFormat

public JFPageFormat getPageFormat()

Get page format.

Returns:

The page format.

setPageFormat

public void setPageFormat(java.awt.print.PageFormat pageFormat)

Set page format.

Parameters:

pageFormat - A new page format.

getCanvasFormat

public CanvasFormat getCanvasFormat()

Get canvas format.

Returns:

The canvas format.

setCanvasFormat

public void setCanvasFormat(CanvasFormat canvasFormat)

Set canvas format.

adjustQuadrantsSize

public void adjustQuadrantsSize()

Adjust all quadrants' size of this page