Hi Jody,
That's an interesting case, but unfortunately Exhibit doesn't support
that natively right now. You'll need to add some Javascript to make that
work. The Map view is implemented here
http://static.simile.mit.edu/exhibit/extensions-2.0/map/scripts/map-view.js
What you need to do is to override the _reconstruct method in it by
adding Javascript in the web page after you include Exhibit stuff:
<script>
var oldMapViewReconstruct = Exhibit.MapView.prototype._reconstruct;
Exhibit.MapView.prototype._reconstruct = function() {
oldMapViewReconstruct.call(this);
var items = this._uiContext.getCollection().getRestrictedItems();
var courses =
this._uiContext.getDatabase().getObjectsUnion(items, "course");
if (courses.contains("1")) {
this._map.setCenter(new GLatLng(-35.407532, 173.799774));
this._map.setZoom(10);
} else if (courses.contains("2")) {
this._map.setCenter(new GLatLng(-48.031101, 170.662735));
this._map.setZoom(5);
}
}
</script>
David
Jody Weeks wrote:
> Hello,
>
> I am attempting to modify the google map center and zoom level, based
> on a specific value in a field.
>
> Using the current examples an code example of what I have tried is below:
>
> <div ex:role="view"
> ex:viewClass="Map"
> ex:label="Party"
> ex:latlng=".birthLatLng"
> *ex:if="contains(.course,
> '1')" ex:center='-35.407532,173.799774' ex:zoom="10"
> ex:elseif="contains(.course,
> '2')" ex:center='-48.031101,170.662735' ex:zoom="5*"
>
> ex:bubbleWidth="200"
> ex:icon=".url"
> ex:shapeWidth="24"
> ex:shapeHeight="24"
> ex:colorKey=".level"
> ex:colorCoder="party-colors" >
>
> In this code I am attempting to display different maps in relation to
> the value in the .course field. This coding attempt does not work for me.
> Can anyone please advise the correct syntax for IF statements within
> the expression.
>
> I am new to Exhibit. Many thanks in advance.
> Jody.
> ------------------------------------------------------------------------
>
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