Ooops...
Forgot to ask - you do have a global variable named 'map' do you that
can be accessed by the function?
If not then the listener will not be created - and you should see an
error reported in your browser.
Something like 'map is undefined'?
Martin.
On 21 Sep, 21:58, Peter <floranfe...@gmail.com> wrote:
> Ok, so now I have:
> <form id="myFormId">
> <input type="text" id="lat" name="lat" />
> <input type="text" id="lng" name="lng" /><br />
> <a href="javascript:void(0);"
> onclick="javascript:getMapClick();">Enable map click</a> <br />
> <div id="map_canvas" style="width:300px; height:300px"></
> div>
> </form>
>
> and javascript in external .js file:
>
> function getMapClick(){
> // get the LatLng of the map click and complete the search
> form's address box with that value to 4 decimal places
> alert('hi 1');
> var listener = google.maps.event.addListener(map, 'click',
> function (clickEvent) {
> alert('hi 2');
> var myForm = document.forms.myFormId, latLng =
> clickEvent.latLng, lat = latLng.lat(), lng = latLng.lng();
> myForm.lat.value = lat;
> myForm.lng.value = lng;
> // remove the event listener
> google.maps.event.removeListener(listener);
> listener = null;
> });
>
> };
>
> when I click on the 'Enable map click' link, the first 'hi 1' is
> displayed, but the 'hi 2' not...what is going wrong?
>
> On Sep 21, 10:28 pm, Martin <warwo...@gmail.com> wrote:
>
> > Hi.
>
> > Here's some code i've used recently that you should be able to modify
> > to your needs:
>
> > // map must be global
> > // and assume you have a form with an id 'myFormId' which has two text
> > inputs with names 'lat' and 'lng'
> > function getMapClick(){
> > // get the LatLng of the map click and complete the search
> > form's
> > address box with that value to 4 decimal places
> > var listener=google.maps.event.addListener(map, 'click',
> > function(clickEvent){
> > var myForm=document.forms.myFormId,
> > latLng=clickEvent.latLng,
> > lat=latLng.lat(), lng=latLng.lng();
> > myForm.lat.value=lat;
> > myForm.lng.value=lng;
> > // remove the event listener
> > google.maps.event.removeListener(listener);
> > listener=null;
> > });
>
> > };
>
> > You could use a button or anchor to call the function:
>
> > <a href="javascript:void(0)" onclick=getMapClick()">Enable map click</
> > a>
>
> > Martin.
>
> > On 21 Sep, 12:46, Peter <floranfe...@gmail.com> wrote:
>
> > > I want users to be able to click on a worldmap. Then, when theyu click
> > > I get the longitude and latitude of the clicked location and store
> > > them in two textboxes...
> > > Where can I find how to do that?
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