RE: Dragable rectangle - Resent

[ra...@blueyonder.co.uk]

Hi Thomas,

I'm not sure how to assign my button to AbstractZoomInteractor, i.e. say I
have a 'button2' and when the user clicks it provokes the
AbsractZoomIneractor() class ...so, is my code going to be very similar to
the one below only changes are:

ie.getID() == MouseEvent.MOUSE_PRESSED &&
               (mods & InputEvent.BUTTON1_MASK) != 0 &&
               (mods & InputEvent.button2) != 0;   ????

pls advice

yasmin



> Hi Yasmin,
>
>    You just need to create a new subclass of
> AbstractZoomInteractor.startInteraction, the one in
> the Canvas has:
>
>     protected Interactor zoomInteractor = new AbstractZoomInteractor() {
>         public boolean startInteraction(InputEvent ie) {
>             int mods = ie.getModifiers();
>             return
>                 ie.getID() == MouseEvent.MOUSE_PRESSED &&
>                 (mods & InputEvent.BUTTON1_MASK) != 0 &&
>                 (mods & InputEvent.CTRL_MASK) != 0;
>         }
>     };
>
>         You will want to check that it's mouse down and that the user has
> clicked your button, instead of just checking if it is a button1 with
ctrl down.
>
> rafiqy@blueyonder.co.uk wrote on 04/08/2006 06:39:16 PM:
>
>>
>> Hi Javid,
>>
>> Yes, the JSVGCanvas already does what I want to do, you know when u
> wantto
>> select an area on ur canvas to zoomIn, you do that by holding the 'CTRL
> &
>> MouseDown' ...well, I want to achieve the same by assigning this to a
button, so the user can just click the button and then drag a rectangle
> to
>> select the area ...so, that my UI is user friendly, assuming that the
> user
>> does not know about the 'Key' shortCuts... hope that make sense :(
>>
>> yasmin
>>
>>
>> > Yasmin,
>> > What do you mean by assign it to JButton? To me, it looks like
> whatever
>> > you
>> > are trying to do JSVGCanvas already does that.
>> > Can you explain a bit more?
>> >
>> > Javid
>> >
>> > -----Original Message-----
>> > From: rafiqy@blueyonder.co.uk [mailto:rafiqy@blueyonder.co.uk] Sent:
Saturday, April 08, 2006 3:24 PM
>> > To: batik-users@xmlgraphics.apache.org
>> > Subject: Dragable rectangle
>> >
>> >
>> > Hi there,
>> >
>> > I'm trying to create a dragable rectangle on my JSVGCanvas so that
the area that is selected within the rectangle is zoomed-in, has
anyone
> got
>> > any ideas how I should go about doing this ...my thoughts are that I
create a mouseListener, to listen for mouseDown, whilst the mouse is
> kept
>> > down to drag the rectangle until the mouseRelease event and upon
mouseRelease the svgMap then zoomIn to the selected area... in effect
> I'm
>> > trying to replicate the key-board short cut 'CTRL_MouseDown' ...and
> assign
>> > it to a Jbutton.
>> >
>> > Pls advice :(
>> >
>> > Thanx
>> >
>> > yasmin
>> >
>> >
>> >
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