SmalltalkAppletContext.st
author cg
Mon, 12 Jan 1998 22:57:36 +0000
changeset 258 35364e39bc0e
parent 234 78953bbfaba1
child 271 a69c9491d69b
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Object subclass:#SmalltalkAppletContext
	instanceVariableNames:'statusHolder'
	classVariableNames:''
	poolDictionaries:''
	category:'Java-Views-Support'
!


!SmalltalkAppletContext methodsFor:'accessing'!

getImage:url
    |imgSource toolKit|

    "return 
        Toolkit.getDefaultToolkit().createImage(new sun.awt.image.URLImageSource(arg1)))"

    imgSource := (Java classForName:'sun.awt.image.URLImageSource') new.
    imgSource invoke:#'<init>(Ljava/net/URL;)V' with:url.

    toolKit := (Java classForName:'java.awt.Toolkit') invoke:#getDefaultToolkit.
    ^ toolKit invoke:#createImage with:imgSource.

    "Modified: 1.8.1997 / 17:57:59 / cg"
!

showStatus:arg
    |msg|

    arg isJavaObject ifTrue:[
        (arg isMemberOf:(Java classForName:'java.lang.String')) ifTrue:[
            msg := Java as_ST_String:arg
        ] ifFalse:[
            msg := arg printString
        ]
    ] ifFalse:[
        msg := arg
    ].

    statusHolder notNil ifTrue:[
        statusHolder value:msg
    ] ifFalse:[
        Transcript showCR:msg
    ].
    ^ nil

    "Created: 1.8.1997 / 15:48:53 / cg"
    "Modified: 8.8.1997 / 12:07:43 / cg"
! !

!SmalltalkAppletContext methodsFor:'java accessing'!

doesNotUnderstand:aMessage
    |selector img|

    (selector := aMessage selector) == #'showStatus(Ljava/lang/String;)V' ifTrue:[
        self showStatus:(Java as_ST_String:(aMessage arguments at:1)).
        ^ self
    ].
    selector == #'getImage(Ljava/net/URL;)Ljava/awt/Image;' ifTrue:[
        ^ self getImage:(aMessage arguments at:1).
    ].
    ^ super doesNotUnderstand:aMessage

    "Created: / 12.1.1998 / 23:48:10 / cg"
    "Modified: / 12.1.1998 / 23:53:31 / cg"
! !

!SmalltalkAppletContext class methodsFor:'documentation'!

version
    ^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/SmalltalkAppletContext.st,v 1.5 1998/01/12 22:57:36 cg Exp $'
! !