demarches-normaliennes/app/assets/javascripts/api_carto/lib/leaflet.spin.js
2015-08-24 11:41:50 +02:00

43 lines
No EOL
1.4 KiB
JavaScript

if (typeof L != 'undefined') {
L.SpinMapMixin = {
spin: function (state, options) {
if (!!state) {
// start spinning !
if (!this._spinner) {
this._spinner = new Spinner(options).spin(this._container);
this._spinning = 0;
}
this._spinning++;
}
else {
this._spinning--;
if (this._spinning <= 0) {
// end spinning !
if (this._spinner) {
this._spinner.stop();
this._spinner = null;
}
}
}
}
};
L.Map.include(L.SpinMapMixin);
L.Map.addInitHook(function () {
this.on('layeradd', function (e) {
// If added layer is currently loading, spin !
if (e.layer.loading) this.spin(true);
if (typeof e.layer.on != 'function') return;
e.layer.on('data:loading', function () { this.spin(true); }, this);
e.layer.on('data:loaded', function () { this.spin(false); }, this);
}, this);
this.on('layerremove', function (e) {
// Clean-up
if (e.layer.loading) this.spin(false);
if (typeof e.layer.on != 'function') return;
e.layer.off('data:loaded');
e.layer.off('data:loading');
}, this);
});
}