90 lines
1.8 KiB
JavaScript
90 lines
1.8 KiB
JavaScript
goog.provide('ol.control.Control');
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goog.provide('ol.control.ControlOptions');
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goog.require('goog.Disposable');
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/**
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* @typedef {{element: (Element|undefined),
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* map: (ol.Map|undefined),
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* target: (Element|undefined)}}
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*/
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ol.control.ControlOptions;
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/**
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* A thing which is painted over the map to provide a means for interaction
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* (buttons) of show annotations (status bars).
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*
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* @constructor
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* @extends {goog.Disposable}
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* @param {ol.control.ControlOptions} controlOptions Control options.
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*/
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ol.control.Control = function(controlOptions) {
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goog.base(this);
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/**
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* @protected
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* @type {Element}
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*/
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this.element = goog.isDef(controlOptions.element) ?
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controlOptions.element : null;
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/**
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* @private
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* @type {Element|undefined}
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*/
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this.target_ = controlOptions.target;
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/**
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* @private
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* @type {ol.Map}
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*/
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this.map_ = null;
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if (goog.isDef(controlOptions.map)) {
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this.setMap(controlOptions.map);
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}
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};
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goog.inherits(ol.control.Control, goog.Disposable);
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/**
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* @inheritDoc
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*/
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ol.control.Control.prototype.disposeInternal = function() {
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goog.dom.removeNode(this.element);
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goog.base(this, 'disposeInternal');
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};
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/**
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* @return {ol.Map} Map.
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*/
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ol.control.Control.prototype.getMap = function() {
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return this.map_;
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};
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/**
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* Removes the control from its current map and attaches it to the new map.
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* Subtypes might also wish set up event handlers to get notified about changes
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* to the map here.
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*
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* @param {ol.Map} map Map.
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*/
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ol.control.Control.prototype.setMap = function(map) {
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if (!goog.isNull(this.map_)) {
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goog.dom.removeNode(this.element);
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}
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this.map_ = map;
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if (!goog.isNull(this.map_)) {
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var target = goog.isDef(this.target_) ?
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this.target_ : map.getOverlayContainer();
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goog.dom.appendChild(target, this.element);
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}
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};
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