With GMap2, how do I remove an overlay in a click event?
I need to be able to do this:
mapPanel.addClickListener(new ClickListener() {
private static final long serialVersionUID =
-7743409010362331350L;
@Override
public void clickPerformed(ClickEvent clickEvent,
AjaxRequestTarget target) {
double lat = clickEvent.getPoint().getLat();
double lng = clickEvent.getPoint().getLng();
latLbl.setModelObject(lat);
lngLbl.setModelObject(lng);
//map.removeOverlay(memberDot); // this is the GMarker in
it's original location
// when they click, it should remove the old one, and add
the new one in the clicked location
map.addOverlay(new GMarker(new GLatLng(lat, lng)));
if (target != null) {
target.addComponent(latLbl);
target.addComponent(lngLbl);
target.addComponent(mapPanel);
}
}
});
Thank you!
Jeremy Thomerson
On 6/13/07, Martin Funk <[EMAIL PROTECTED]> wrote:
Hi,
may I draw your attention to a little project I was allowed to add to
the wicket-stuff svn repository yesterday.
Being highly inspired by Julians and Nicos wicket-contrib-gmap I got
exited enough to try to create a project that does the same and a little
bit more with a little different approach. Kinda bold, since I haven't
looked into JavaScript before. Julian and Nico I hope you don't mind
that I tried to invent the wheel a second time, but if your project
wouldn't have been around I probably never would have tried. So thank
you for that.
Features:
There can be more than one GMap on a page, I think there can be many, at
least I succeeded with two.
Components may become controls of the GMap. Any Component capable of
firing events can become a controller. The controls are executed
whenever the named event is fired by the Component. Currently ZooOut,
ZoomIn, PanDirection, AddOverlay and OpenInfoWindow are implemented.
Listeners may be added to the GMap. These are called whenever the GMap
fires the corresponding Events. So far a ClickListener and a
MoveEndListener are implemented. This allows to dynamically update any
Component and the GMap itself.
The events and the controls always do a round trip from the browser to
the server and back, this way any call can be intercepted and controlled
on the server side. The network traffic is kept down, since all needed
JavaScript functions are defined in a js-file. So only arguments have to
be transfered.
Status:
Is best described by, consolidating. As I said, being a JavaScript
newbie and a Java mediocre, it was sort of bold to start this. The
features in mind I basically cut right through any API ahead of me
without taking care of any design principles. So if you ever find the
time to look into the code, give feedback! And I fear this project is in
need for a lot of feedback.
Last but not least: Installation.
There is no release currently planed. The code compiles against the
current HEAD of wicket. So get get wicket from svn as described in
http://incubator.apache.org/wicket/building-from-svn.html first.
This project relies on the well maintained structure of wickets pom.xml
files. It needs to be checked out into wicket jdk-1.5 folder:
cd <wickets-jdk-1.5-folder>
svn co
https://wicket-stuff.svn.sourceforge.net/svnroot/wicket-stuff/trunk/wicket-contrib-gmap2
svn co
https://wicket-stuff.svn.sourceforge.net/svnroot/wicket-stuff/trunk/wicket-contrib-gmap2-examples
This should do the install and get a jetty started for the examples:
mvn -f wicket-contrib-gmap2/pom.xml install
mvn -f wicket-contrib-gmap2-examples/pom.xml jetty:run
Now browse to:
http://localhost:8080/wicket-contrib-gmap2-examples/gmap/
and click around.
Have fun,
Martin
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