com.sas.awt
Class Canvas

com.sas.awt.Canvas

All Implemented Interfaces:

com.sas.awt.print.PrintableInterface, VisualInterface, com.sas.beans.PropertyChangeSource, com.sas.beans.VetoableChangeSource, com.sas.ComponentInterface, com.sas.LinkPropertiesInterface, com.sas.ModelInterface, com.sas.ViewInterface, MultipleValueEventSourceInterface, java.awt.image.ImageObserver, java.awt.MenuContainer, java.beans.PropertyChangeListener, java.io.ObjectInputValidation, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible

Direct Known Subclasses:

BasicColorsCanvas

public class Canvas

Canvas is the base class for heavy-weight webAF visual objects. It contains all the functionality of the Component class, as well as additional functionality that is common to all visuals. Canvas contains information such as size and position, visual ambient properties, and borders.

See Also:

Serialized Form

Constructor Summary

Canvas()
The default constructor.

Method Summary

void	addNotify() Notify the component that it has been added to a container and that the peer should be created.
static int	getDefaultHeight() Returns the default height for instances of this class
static int	getDefaultWidth() Returns the default width for instances of this class
static com.sas.beans.ExtendedBeanInfo	getExtendedBeanInfo() Returns the ExtendedBeanInfo for this class.
java.awt.Dimension	getMinimumSize() Returns the minimum size of the component.
static void	setDefaultHeight(int newDefaultHeight) Sets the default height of the component.
static void	setDefaultWidth(int newDefaultWidth) Sets the default width of the component.

Methods inherited from class com.sas.awt.CanvasVisualComponent

addLink, addPropertyChangeListener, addVetoableChangeListener, anyPropertyChangeListeners, attachModel, attachView, clone, computePreferredSize, detachModel, detachView, dumpComponent, firePropertyChange, firePropertyChange, fireVetoableChange, getBackgroundColor, getBorder, getComponentDescription, getComponentSupportInfo, getEventMethod, getEventValues, getFont, getForegroundColor, getHeight, getHorizontalPosition, getLinkInfo, getModelInterface, getPageBounds, getPreferredSize, getPrePainter, getPrintOptionsPanel, getRequiredInterfaces, getVerticalPosition, getViewInterfaceSupportInfo, getVisualInterfaceSupportInfo, getWidth, initialize, initializeComponent, isDesignTime, isEnabled, isFocus, isLinked, isTransparent, isVisible, pageExists, paint, print, printFinalize, printInitialize, propertyChange, queryLinks, queryLinks, refresh, removeAllLinks, removeInterfaceTraps, removeLink, removePropertyChangeListener, removeVetoableChangeListener, setBackgroundColor, setBorder, setBounds, setComponentDescription, setComponentSupportInfo, setDefaultValues, setEnabled, setFocus, setFont, setForegroundColor, setHeight, setHorizontalPosition, setLinkInfo, setModelInterface, setPreferredSize, setPrePainter, setRequiredInterfaces, setTransparent, setVerticalPosition, setViewInterfaceSupportInfo, setVisible, setVisualInterfaceSupportInfo, setWidth, superGetFont, superGetMinimumSize, superGetPreferredSize, superIsEnabled, superIsVisible, superPaint, superSetBounds, superSetEnabled, superSetFont, superSetVisible, superUpdate, supportsListenerInterface, supportsRequiredInterfaces, trapInterfaceEvents, update, validateObject

Constructor Detail

Canvas

public Canvas()

The default constructor. This constructor will not be called by the webAF container at design time.

See Also:

Component.Component()

Method Detail

getDefaultWidth

public static int getDefaultWidth()

Returns the default width for instances of this class

Returns:

the default width in pixels

See Also:

setDefaultWidth(int)

setDefaultWidth

public static void setDefaultWidth(int newDefaultWidth)

Sets the default width of the component. The default width will be used by webAF when creating this component.

Parameters:

newDefaultWidth - the new default width in pixels

See Also:

getDefaultWidth()

getDefaultHeight

public static int getDefaultHeight()

Returns the default height for instances of this class

Returns:

the default height in pixels

See Also:

setDefaultHeight(int)

setDefaultHeight

public static void setDefaultHeight(int newDefaultHeight)

Sets the default height of the component. The default height will be used by webAF when creating this component.

Parameters:

newDefaultHeight - the new default height in pixels

See Also:

getDefaultHeight()

getExtendedBeanInfo

public static com.sas.beans.ExtendedBeanInfo getExtendedBeanInfo()

Returns the ExtendedBeanInfo for this class.

Returns:

ExtendedBeanInfo for this class

getMinimumSize

public java.awt.Dimension getMinimumSize()

Returns the minimum size of the component. This method is overriden in order to return our own size of 5,5.

Specified by:

getMinimumSize in interface VisualInterface

Overrides:

getMinimumSize in class CanvasVisualComponent

Returns:

minimum size

See Also:

VisualInterface.getMinimumSize()

addNotify

public void addNotify()

Notify the component that it has been added to a container and that the peer should be created.

Overrides:

addNotify in class java.awt.Canvas