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Merge pull request #1602 from twpayne/configurable-rotation-constraints

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Configurable rotation constraints
This commit is contained in:
Tom Payne
2014-01-29 06:32:14 -08:00
parent d4db171a3c 3196afb4c7
commit 86a4cad37e
3 changed files with 41 additions and 3 deletions
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src/ol/view2d.js
+17 -2
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@@ -573,6 +573,21 @@ ol.View2D.createResolutionConstraint_ = function(options) {
* @return {ol.RotationConstraintType} Rotation constraint.
*/
ol.View2D.createRotationConstraint_ = function(options) {
// FIXME rotation constraint is not configurable at the moment
return ol.RotationConstraint.createSnapToZero();
var enableRotation = goog.isDef(options.enableRotation) ?
options.enableRotation : true;
if (enableRotation) {
var constrainRotation = options.constrainRotation;
if (!goog.isDef(constrainRotation) || constrainRotation === true) {
return ol.RotationConstraint.createSnapToZero();
} else if (constrainRotation === false) {
return ol.RotationConstraint.none;
} else if (goog.isNumber(constrainRotation)) {
return ol.RotationConstraint.createSnapToN(constrainRotation);
} else {
goog.asserts.fail();
return ol.RotationConstraint.none;
}
} else {
return ol.RotationConstraint.disable;
}
};