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Add ol.control.Control#setTarget

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This commit adds a setTarget method to ol.control.Control. This function can be used in cases where the target cannot be set at control construction time. For example, with Angular, it makes sense to create the control instance in an Angular controller, and have a "control" directive insert the control into the DOM.
This commit is contained in:
Éric Lemoine
2015-01-13 20:51:08 +01:00
parent 5dca3e9b20
commit 79312c2083
1 changed files with 19 additions and 2 deletions
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21
src/ol/control/control.js
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@@ -51,8 +51,7 @@ ol.control.Control = function(options) {
* @private
* @type {Element}
*/
this.target_ = goog.isDef(options.target) ?
goog.dom.getElement(options.target) : null;
this.target_ = null;
/**
* @private
@@ -71,6 +70,10 @@ ol.control.Control = function(options) {
*/
this.render = goog.isDef(options.render) ? options.render : goog.nullFunction;
if (goog.isDef(options.target)) {
this.setTarget(options.target);
}
};
goog.inherits(ol.control.Control, ol.Object);
@@ -121,3 +124,17 @@ ol.control.Control.prototype.setMap = function(map) {
map.render();
}
};
/**
* This function is used to set a target element for the control. It has no
* effect if it is called after the control has been added to the map (i.e.
* after `setMap` is called on the control). If no `target` is set in the
* options passed to the control constructor and if `setTarget` is not called
* then the control is added to the map's overlay container.
* @param {Element|string} target Target.
* @api
*/
ol.control.Control.prototype.setTarget = function(target) {
this.target_ = goog.dom.getElement(target);
};