yes, it does but how does that work?
> Well you're not adding them to a document in the file system, but the > JSVGCanvas certainly has a reference to an SVGDocument in memory, right? > > Michael Bishop > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Sent: Monday, February 27, 2006 1:18 PM > To: [email protected] > Subject: RE: Red Spots > > Hi there! > > I can't make the spots part of the document, because they are drawn > after > getting the information from a database (Accident database) ...is there > a > way when a mouse clicks on any of the spots to activate an event? > > ThankU > > yasmin > > > > > >> Hi Yasmin, >> >> [EMAIL PROTECTED] wrote on 02/27/2006 12:42:09 PM: >> >>> ...I've drawn the circles on the canvas, they are not part of my svg >>> document such that the actual file is not altered, the the circles > are >> not >>> individual elements - any ideas :( >> >> Yes, make them part of your document ;) >> Really this is the simplest thing. If you want to minimize the >> 'impact' on the original document put all the circle in a special > group >> (probably dynamically created) so you can just delete the group to > 'reset' >> the document. This way you can let the SVG engine do all the event >> tracking. >> >> You could add an event listener (mouse move or the like) to the >> rootmost SVG element and you will get notified of any mouse event >> over any element in the document. You could then manually check these >> points against your circles. But this seems like a bunch of extra > work >> for nothing. >> >>> >>> yasmin >>> >>> >>> > Hello, >>> > For events, I attach an event to the entire document. For >>> > individual elements, this may work. You'll need to get your circle > as >>> > an org.w3c.dom.Element. >>> > >>> > EventTarget eventTarget = (EventTarget) yourElement; >>> > eventTarget.addEventListener(SVGConstants.SVG_EVENT_MOUSEDOWN, new >>> > YourEventListener(), false); >>> > >>> > Michael Bishop >>> > >>> > -----Original Message----- >>> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] >>> > Sent: Monday, February 27, 2006 12:13 PM >>> > To: [email protected] >>> > Subject: Red Spots >>> > >>> > >>> > Hi Michael Bishop, >>> > >>> > I have been beavering on my project and have successfully converted > my >>> > screen coordinates to documents and can interact with my database > to >>> > retrieve the information for the current view and show red spots on >> the >>> > areas where accidents have happend on the map ...now I need to make >> the >>> > red spots active so when a user clicks on a red spot the relevant >>> > information about that particular accident is displayed ...i simply >> used >>> > the following code to create the red spot: >>> > >>> > Graphics spot = canvas.getGraphics(); >>> > spot.setColor(Color.RED); >>> > spot.fillOval(x,y,22,22); >>> > spot.dispose(); >>> > >>> > but i cant assign an ActionEvent to the spot ...Any ideas? >>> > >>> > Many thanks in advance :) >>> > >>> > Yasmin >>> > >>> > >>> > >>> > >>> >> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> >>> >> <HTML> >>> >> <HEAD> >>> >> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; >>> > charset=iso-8859-1"> >>> >> >>> >> >>> >> <META NAME="Generator" CONTENT="MS Exchange Server version >>> > 6.5.7226.0"> >>> >> <TITLE>RE: Coordinates</TITLE> >>> >> </HEAD> >>> >> <BODY> >>> >> <DIV id=idOWAReplyText99836 dir=ltr> >>> >> <DIV dir=ltr><FONT face=Arial color=#000000 size=2>Element element >> >>> >> > svgDocument.createElement(SVGConstants.SVG_CIRCLE_TAG);</FONT></DIV> >>> >> <DIV dir=ltr><FONT face=Arial >>> >> size=2>element.setAttribute(SVGConstants.SVG_CX_ATTR, >>> >> xPosition);</FONT></DIV> >>> >> <DIV dir=ltr><FONT face=Arial >>> >> size=2>element.setAttribute(SVGConstants.SVG_CY_ATTR, >>> >> yPosition);</FONT></DIV> >>> >> <DIV dir=ltr><FONT face=Arial >>> >> size=2>element.setAttribute(SVGConstants.SVG_R_ATTR, >>> > radius);</FONT></DIV> >>> >> <DIV dir=ltr><FONT face=Arial >>> >> size=2>element.setAttribute(SVGConstants.SVG_FILL_ATTR, >>> >> "red");</FONT></DIV> >>> >> <DIV dir=ltr><FONT face=Arial >>> >> > size=2>svgDocument.getDocumentElement.append(element);</FONT></DIV> >>> >> <DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV> >>> >> <DIV dir=ltr><FONT face=Arial size=2>Use code completion or the > Batik >>> >> Javadoc. Most of those SVGConstants references are probably >>> >> wrong.</FONT></DIV> >>> >> <DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV> >>> >> <DIV dir=ltr><FONT face=Arial size=2>Michael >> Bishop</FONT></DIV></DIV> >>> >> <DIV dir=ltr><BR> >>> >> <HR tabIndex=-1> >>> >> <FONT face=Tahoma size=2><B>From:</B> [EMAIL PROTECTED] >>> >> [mailto:[EMAIL PROTECTED]<BR><B>Sent:</B> Sun 2/19/2006 > 3:07 >>> >> PM<BR><B>To:</B> >> [email protected]<BR><B>Subject:</B> >>> > RE: >>> >> Coordinates<BR></FONT><BR></DIV> >>> >> <DIV> >>> >> <P><FONT size=2>me again!<BR><BR>...I think I don't need to > convert >>> > back >>> >> to >>> >> screen coordinates I should be<BR>able to use the document >>> > coordinates, >>> >> but how >>> >> can I draw a red-spot<BR>(filled circle) and a given location on > the >>> >> canvas?<BR><BR>ThankU in advance<BR><BR>yasmin<BR><BR>> >>> > <!DOCTYPE >>> >> HTML >>> >> PUBLIC "-//W3C//DTD HTML 3.2//EN"><BR>> <HTML><BR>> >>> >> <HEAD><BR>> <META HTTP-EQUIV="Content-Type" >>> >> CONTENT="text/html; >>> >> charset=iso-8859-1"><BR>><BR>><BR>> <META >>> > NAME="Generator" >>> >> CONTENT="MS Exchange Server version 6.5.7226.0"><BR>> >>> >> <TITLE>Coordinates</TITLE><BR>> > </HEAD><BR>> >>> >> <BODY><BR>> <DIV id=idOWAReplyText8269 >> dir=ltr><BR>> >>> >> <DIV >>> >> dir=ltr><FONT face=Arial color=#000000 size=2>Not sure; >>> > haven't >>> >> done<BR>> it in<BR>> reverse.&nbsp; There is a method > for >> an >>> >> SVGLocatable called getScreenCTM<BR>> that<BR>> may be of >>> >> use.</FONT></DIV><BR>> <DIV dir=ltr><FONT >>> >> face=Arial >>> >> size=2></FONT>&nbsp;</DIV><BR>> <DIV >>> >> dir=ltr><FONT face=Arial size=2>Michael >>> >> Bishop</FONT></DIV></DIV><BR>> <DIV >>> >> dir=ltr><BR><BR>> <HR tabIndex=-1><BR>> > <FONT >>> >> face=Tahoma size=2><B>From:</B> >>> >> [EMAIL PROTECTED]<BR>> >>> >> [<A >>> >> >>> > >> > href="mailto:[EMAIL PROTECTED]">mailto:[EMAIL PROTECTED]</A> >>> > ]<BR><B>Sent:</B> >>> >> Sun 2/19/2006 1:08<BR>> PM<BR><B>To:</B> >>> >> >>> > >> > [email protected]<BR><B>Subject:</B>< >>> > BR>> >>> >> Coordinates<BR></FONT><BR></DIV><BR>> >>> >> <DIV><BR>> <P><FONT size=2>Hi Michael >>> >> Bishop,<BR><BR>...I've converted my screen<BR>> >>> > coordinates >>> >> to my >>> >> document coordinates - now<BR>I'm trying to convert<BR>> >>> >> document<BR>> coordinates to screen coordinate so that >>> > at<BR>that >>> >> point >>> >> on the map, I<BR>> can draw<BR>> a red_spot on the > canvas...any >>> >> ideas?<BR><BR>ThankU in<BR>> >>> >> >>> > >> > advance<BR><BR>yasmin<BR><BR><BR>--------- >>> > >> > ------------------------------------------------------------<BR>To >>> > <BR>> >>> >> unsubscribe, e-mail: >>> >> > [EMAIL PROTECTED]<BR>For<BR>> >>> >> additional >>> >> commands, e-mail:<BR>> >>> >> >>> > >> > [EMAIL PROTECTED]<BR></FONT></P> >>> > </DIV><BR>><BR>> >>> >> </BODY><BR>> >>> >> >>> > >> > </HTML><BR><BR><BR><BR>------------------------------------------- >>> > --------------------------<BR>To >>> >> unsubscribe, e-mail: >>> > [EMAIL PROTECTED]<BR>For >>> >> additional commands, e-mail: >>> >> [EMAIL PROTECTED]<BR></FONT></P></DIV> >>> >> >>> >> </BODY> >>> >> </HTML> >>> > >>> > >>> > >>> > > --------------------------------------------------------------------- >>> > To unsubscribe, e-mail: > [EMAIL PROTECTED] >>> > For additional commands, e-mail: >> [EMAIL PROTECTED] >>> > >>> > > --------------------------------------------------------------------- >>> > To unsubscribe, e-mail: > [EMAIL PROTECTED] >>> > For additional commands, e-mail: >> [EMAIL PROTECTED] >>> > >>> > >>> > >>> >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: > [EMAIL PROTECTED] >>> For additional commands, e-mail: > [EMAIL PROTECTED] >>> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: > [EMAIL PROTECTED] >> >> >> > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
