Add experimental controls infrastructure, thanks @elemoine

src/ol/control/Attribution.js

@@ -1,103 +0,0 @@
-goog.provide('ol.control.Attribution');
-
-goog.require('ol.event');
-goog.require('ol.control.Control');
-
-goog.require('goog.dom');
-
-
-/**
- * @constructor
- * @extends {ol.control.Control}
- * @param {boolean|undefined} opt_autoActivate
- */
-ol.control.Attribution = function(opt_autoActivate) {
-
-    goog.base(this, opt_autoActivate);
-    
-    /**
-     * @type {Node}
-     */
-    this.container_ = null;
-
-    /**
-     * Activate this control when it is added to a map.  Default is true.
-     *
-     * @type {boolean} autoActivate
-     */
-    this.autoActivate_ =
-        goog.isDef(opt_autoActivate) ? opt_autoActivate : true;
-    
-};
-goog.inherits(ol.control.Attribution, ol.control.Control);
-
-/**
- * @const {string}
- */
-ol.control.Attribution.prototype.CLS = 'ol-control-attribution';
-
-/**
- * @param {ol.Map} map
- */
-ol.control.Attribution.prototype.setMap = function(map) {
-    var staticOverlay = map.getStaticOverlay();
-    if (goog.isNull(this.container_)) {
-        this.container_ = goog.dom.createDom('div', this.CLS);
-        // This is not registered as priority listener, so priority listeners
-        // can still get the click event.
-        map.getEvents().register('click', this.stopLinkClick, this);
-    }
-    if (!goog.isNull(staticOverlay)) {
-        goog.dom.append(staticOverlay, this.container_);
-    }
-    goog.base(this, 'setMap', map);
-};
-
-/**
- * Prevent clicks on links in the attribution from getting through to
- * listeners.
- */
-ol.control.Attribution.prototype.stopLinkClick = function(evt) {
-    var node = evt.target;
-    return node.nodeName !== 'A' ||
-        !goog.dom.getAncestorByClass(node, this.CLS);
-};
-
-/** @inheritDoc */
-ol.control.Attribution.prototype.activate = function() {
-    var active = goog.base(this, 'activate');
-    if (active) {
-        this.map_.getEvents().register('layeradd', this.update, this);
-        this.update();
-    }
-    return active;
-};
-
-/** @inheritDoc */
-ol.control.Attribution.prototype.deactivate = function() {
-    var inactive = goog.base(this, 'deactivate');
-    if (inactive) {
-        this.map_.getEvents().unregister('layeradd', this.update, this);
-    }
-    return inactive;
-};
-
-ol.control.Attribution.prototype.update = function() {
-    var attribution = [],
-        layers = this.map_.getLayers(), layerAttribution;
-    for (var i=0, ii=layers.length; i<ii; ++i) {
-        layerAttribution = layers[i].getAttribution();
-        if (layerAttribution &&
-           !~goog.array.indexOf(attribution, layerAttribution)) {
-            attribution.push(layerAttribution);
-        }
-    }
-    this.container_.innerHTML = attribution.join(', ');
-};
-
-ol.control.Attribution.prototype.destroy = function() {
-    goog.dom.removeNode(this.container_);
-    goog.base(this, 'destroy');
-};
-
-ol.control.addControl('attribution', ol.control.Attribution);