brouter-web/bower_components/leaflet-plugins/layer/Marker.Rotate.js
2014-01-27 18:46:51 +01:00

53 lines
1.7 KiB
JavaScript

/*
* Based on comments by @runanet and @coomsie
* https://github.com/CloudMade/Leaflet/issues/386
*
* Wrapping function is needed to preserve L.Marker.update function
*/
(function () {
var _old__setPos = L.Marker.prototype._setPos;
L.Marker.include({
_updateImg: function(i, a, s) {
a = L.point(s).divideBy(2)._subtract(L.point(a));
var transform = '';
transform += ' translate(' + -a.x + 'px, ' + -a.y + 'px)';
transform += ' rotate(' + this.options.iconAngle + 'deg)';
transform += ' translate(' + a.x + 'px, ' + a.y + 'px)';
i.style[L.DomUtil.TRANSFORM] += transform;
},
setIconAngle: function (iconAngle) {
this.options.iconAngle = iconAngle;
if (this._map) this.update();
},
_setPos: function (pos) {
if (this._icon) {
this._icon.style[L.DomUtil.TRANSFORM] = "";
}
if (this._shadow) {
this._shadow.style[L.DomUtil.TRANSFORM] = "";
}
_old__setPos.apply(this,[pos]);
if (this.options.iconAngle) {
var a = this.options.icon.options.iconAnchor;
var s = this.options.icon.options.iconSize;
var i;
if (this._icon) {
i = this._icon;
this._updateImg(i, a, s);
}
if (this._shadow) {
// Rotate around the icons anchor.
s = this.options.icon.options.shadowSize;
i = this._shadow;
this._updateImg(i, a, s);
}
} }
});
}());