cool!!! ThankU
> Well, now you can attach an event listener. Now you need to figure out > what you want to do with it. When the mouse is pressed, you can do > anything...show a dialog box, etc. > > Michael Bishop > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Sent: Monday, February 27, 2006 3:31 PM > To: [email protected] > Subject: RE: Red Spots > > > ...So, in the: > e.setAttributeNS(null, "r", "5"); > I can add all the relevant information about the accident? > > thx > > yasmin > > > >> Hi Yasmin, >> >> [EMAIL PROTECTED] wrote on 02/27/2006 01:26:07 PM: >> >>> yes, it does but how does that work? >> >> Assuming there is no 'obvious' dynamic content in the >> SVG file already (script, event handlers, etc). You need >> to tell the canvas to treat your document as dynamic: >> >> canvas.setDocumentState(JSVGCanvas.ALWAYS_DYNAMIC); >> >> // Do what ever you curently do to load your SVG and get >> // a list of points for circles. >> // Once the document is loaded (onload callback or >> // wait for first rendering): >> >> canvas.getUpdateManager().getUpdateRunnableQueue(). >> invokeLater(new Runnable() { >> public void run() { >> SVGDocuemnt doc = canvas.getSVGDocument(); >> String SVGNS = "http://www.w3.org/2000/svg";; // SVG namespace >> Iterator i = ...; // get list of points >> Element g = doc.getElementById("circleGroup"); >> while (i.hasNext()) { >> Point2D pt2d = i.next(); >> Element e = doc.createElementNS(SVGNS, "circle"); >> e.setAttributeNS(null, "cx", ""+pt2d.getX()); >> e.setAttributeNS(null, "cy", ""+pt2d.getY()); >> e.setAttributeNS(null, "r", "5"); >> g.appendChild(g); >> } >> }); >> >>> >>> >>> >>> > 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] >>> >> >> >> --------------------------------------------------------------------- >> 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]
