On Mon, Oct 13, 2008 at 3:19 PM, Brian <[EMAIL PROTECTED]> wrote:
>
> Hi Eric,
>
> Thanks for the reply. Yeah I couldn't find where the 'index"
> parameter was documented in the Javascript API, so I wasn't sure if
> the docs were stale, or that sample was experimental. Now I know..
>
> For what it's worth, I was able to do what I needed to by looping
> through all the verts. In case anyone else is looking to do this,
> here's the code:
>
> This is the 'onClick' handler for a polyline. The polyline is 'poly'
>
> int vertCount = poly.getVertexCount();
> if (vertCount ==2 ) {
> // maps rejects vertex deletion when you'd end up with a point
> // hack to fix:
> poly.deleteVertex(1);
> poly.deleteVertex(0);
> poly.setEditingEnabled(false);
> map.removeOverlay(poly);
> return;
> }
>
> LatLng clickedLatLng = event.getLatLng();
> for (int i = 0; i < vertCount; i++) {
> if ( clickedLatLng.isEquals((poly.getVertex(i))) ){
> poly.deleteVertex(i);
> break;
> }
> }
>
> -- I initally thought that the latlng compare would fail, as the level
> of precision is so high, it seemed nearly impossible for anyone to
> click the exact same place twice. Turns out though that when a vertex
> is clicked, even if it's somewhere within the vertex 'box' it always
> returns the latlng of the original vert clicked -- sweet.
>
> P.S. While I'm thinking about maps... the sample code on the maps for
> gwt website showing how to bring in the js script in the index.html
> using a dummy key for localhost didn't work -- I had to generate a key
> from the maps api site for "localhost:8888" in order to run in hosted
> mode. Otherwise, it just popped a message box saying the key was
> invalid.
>
I asked the Maps team about that once. Apparently there are some
situations where you need a real key and what you did is the
recommended solution for it.
>
> On Oct 13, 2:31 pm, "Eric Ayers" <[EMAIL PROTECTED]> wrote:
>> Um, sorry about that - there is no gwt-maps list, I mean the Google
>> Maps API group
>>
>> http://groups.google.com/group/Google-Maps-API
>>
>> -Eric.
>>
>>
>>
>> On Mon, Oct 13, 2008 at 2:30 PM, Eric Ayers <[EMAIL PROTECTED]> wrote:
>> > Hi Brian,
>>
>> > Thanks for bringing this up. I checked at:
>>
>> > http://code.google.com/apis/maps/documentation/reference.html#GPolygon
>>
>> > and I don't see the 'index' parameter documented for the polyline
>> > 'click' event. At present, I'm not adding bindings for any
>> > undocumented features (there are many of them!) I noticed that on FF3
>> > on Linux, the polyline example in the site you sent me fails
>> > miserably... maybe that's why it isn't documented yet?
>>
>> > Anyway, if you'd like to see this feature published, you might want to
>> > lobby for it on the gwt-maps mailing list. Please read their
>> > guidelines before posting.
>>
>> > Regards,
>> > -Eric.
>>
>> > On Sun, Oct 12, 2008 at 11:15 AM, Brian <[EMAIL PROTECTED]> wrote:
>>
>> >> When editing a polyline, how do you get the clicked vertex?
>>
>> >> I've got a polyline that's editable. When clicking a vertex, I want
>> >> to delete that vertex. My polyline is set up as:
>>
>> >> map.addOverlay(poly);
>> >> poly.setEditingEnabled(true);
>> >> poly.setDrawingEnabled();
>>
>> >> Adding a PolyLineClickHandler will tell me which polyline was clicked,
>> >> but how do you get the vertex from that? After I get the vertex, I
>> >> want to get the vertex's index, so I can then call:
>> >> poly.deleteVertex(index)
>>
>> >> The javascript Google maps sample here:
>> >>http://gmaps-samples.googlecode.com/svn/trunk/poly/mymapstoolbar.html
>>
>> >> does it like so:
>>
>> >> GEvent.addListener(poly, "click", function(latlng, index) {
>> >> if (typeof index == "number") { // this is what I'm looking for in
>> >> the Maps API for GWT
>> >> poly.deleteVertex(index);
>> >> } else {
>> >> // Other code
>> >> }
>>
>> >> That 'deleteVertex when vertex clicked' is what I'm trying to port to
>> >> my gwt app, basically.
>>
>> >> Thanks.
>>
>> > --
>> > Eric Z. Ayers - GWT Team - Atlanta, GA USA
>> >http://code.google.com/webtoolkit/
>>
>> --
>> Eric Z. Ayers - GWT Team - Atlanta, GA USAhttp://code.google.com/webtoolkit/
> >
>
--
Eric Z. Ayers - GWT Team - Atlanta, GA USA
http://code.google.com/webtoolkit/
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