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Class symantec.itools.awt.InvisibleHTMLLink

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Canvas
                   |
                   +----symantec.itools.awt.InvisibleButton
                           |
                           +----symantec.itools.awt.InvisibleHTMLLink

public class InvisibleHTMLLink
extends InvisibleButton

Use this component to create an invisible rectangular button, usually within an image, that displays the document at a given URL when clicked.

context: Applet context that shows the document.
frame: Frame specifier for showing a URL document in a browser or applet viewer.
url: The URL of the document to show when the button is clicked.

InvisibleHTMLLink(): Constructs a default InvisibleHTMLLink.

action(Event, Object): Handles internal actions for this component.
getFrame(): Gets the frame specifier for showing a URL document in a browser or applet viewer.
getURL(): Returns the URL of the document to show when the button is clicked.
setAppletContext(AppletContext): Sets the applet context used to view documents.
setFrame(String): Sets the frame specifier for showing a URL document in a browser or applet viewer.
setURL(URL): Sets the URL of the document to show when the button is clicked.
validate(): Ensures that this component is laid out properly, as needed.

url

  protected URL url

The URL of the document to show when the button is clicked.

context

  protected AppletContext context

Applet context that shows the document.

frame

  protected String frame

Frame specifier for showing a URL document in a browser or applet viewer. It is interpreted as follows:

"_self" show document in the current frame

"_parent" show document in the parent frame

"_top" show document in the topmost frame

"_blank" show document in a new unnamed toplevel window

all others show document in a new toplevel window with the given name

InvisibleHTMLLink

  public InvisibleHTMLLink()

Constructs a default InvisibleHTMLLink.

getURL

  public URL getURL()

Returns the URL of the document to show when the button is clicked.

See Also:: setURL

setURL

  public void setURL(URL u)

Sets the URL of the document to show when the button is clicked.

Parameters:: u - the URL
See Also:: getURL

setFrame

  public void setFrame(String f)

Sets the frame specifier for showing a URL document in a browser or applet viewer. It is interpreted as follows:

"_self" show document in the current frame

"_parent" show document in the parent frame

"_top" show document in the topmost frame

"_blank" show document in a new unnamed toplevel window

all others show document in a new toplevel window with the given name

Parameters:: f - the frame specifier
See Also:: getFrame

getFrame

  public String getFrame()

Gets the frame specifier for showing a URL document in a browser or applet viewer. It is interpreted as follows:

"_self" show document in the current frame

"_parent" show document in the parent frame

"_top" show document in the topmost frame

"_blank" show document in a new unnamed toplevel window

all others show document in a new toplevel window with the given name

Returns:: the frame specifier
See Also:: setFrame

action

  public boolean action(Event event,
                        Object what)

Handles internal actions for this component. This is a standard Java AWT method which usually gets called by the AWT method handleEvent() in response to receiving an ACTION_EVENT event. In those cases the what parameter contains the value in the event's arg field.

Parameters:: e - the event that caused this action; o - the action
Returns:: true if the action was handled
Overrides:: action in class Component
See Also:: handleEvent

validate

  public void validate()

Ensures that this component is laid out properly, as needed. This is a standard Java AWT method which gets called by the AWT to make sure this component and its subcomponents have a valid layout. If this component was made invalid with a call to invalidate(), then it is laid out again. It is overridden here to locate the applet containing this component.

Overrides:: validate in class Component
See Also:: invalidate

setAppletContext

  protected void setAppletContext(AppletContext c)

Sets the applet context used to view documents.

Parameters:: c - the new applet context

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