Remove Logo Control
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@@ -1,122 +0,0 @@
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goog.provide('ol.control.Logo');
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goog.require('goog.dom');
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goog.require('goog.dom.TagName');
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goog.require('goog.object');
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goog.require('goog.style');
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goog.require('ol.control.Control');
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goog.require('ol.css');
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/**
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* @classdesc
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* Shows a logo for all the layer sources in the map that have a logo
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* associated with them, such as Bing. This control is part of a default map.
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* By default it will show in the bottom-left portion of the map, but it can
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* be styled by using a css selector for `.ol-logo`.
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*
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* @constructor
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* @extends {ol.control.Control}
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* @param {olx.control.LogoOptions=} opt_options Logo options.
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* @api
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*/
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ol.control.Logo = function(opt_options) {
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var options = goog.isDef(opt_options) ? opt_options : {};
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/**
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* @private
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* @type {Element}
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*/
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this.ulElement_ = goog.dom.createElement(goog.dom.TagName.UL);
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var className = goog.isDef(options.className) ? options.className : 'ol-logo';
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var element = goog.dom.createDom(goog.dom.TagName.DIV, {
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'class': className + ' ' + ol.css.CLASS_UNSELECTABLE
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}, this.ulElement_);
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goog.base(this, {
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element: element,
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target: options.target
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});
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/**
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* @private
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* @type {boolean}
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*/
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this.renderedVisible_ = true;
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/**
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* @private
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* @type {Object.<string, Element>}
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*/
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this.logoElements_ = {};
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};
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goog.inherits(ol.control.Logo, ol.control.Control);
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/**
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* @param {ol.MapEvent} mapEvent Map event.
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*/
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ol.control.Logo.prototype.handleMapPostrender = function(mapEvent) {
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this.updateElement_(mapEvent.frameState);
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};
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/**
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* @param {?olx.FrameState} frameState Frame state.
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* @private
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*/
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ol.control.Logo.prototype.updateElement_ = function(frameState) {
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if (goog.isNull(frameState)) {
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if (this.renderedVisible_) {
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goog.style.setElementShown(this.element, false);
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this.renderedVisible_ = false;
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}
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return;
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}
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var logo;
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var logos = frameState.logos;
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var logoElements = this.logoElements_;
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for (logo in logoElements) {
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if (!(logo in logos)) {
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goog.dom.removeNode(logoElements[logo]);
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delete logoElements[logo];
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}
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}
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var image, logoElement, logoKey;
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for (logoKey in logos) {
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if (!(logoKey in logoElements)) {
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image = new Image();
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image.src = logoKey;
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var logoValue = logos[logoKey];
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var child;
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if (logoValue === '') {
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child = image;
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} else {
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child = goog.dom.createDom(goog.dom.TagName.A, {
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'href': logoValue,
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'target': '_blank'
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});
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child.appendChild(image);
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}
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logoElement = goog.dom.createDom(goog.dom.TagName.LI, undefined, child);
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goog.dom.appendChild(this.ulElement_, logoElement);
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logoElements[logoKey] = logoElement;
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}
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}
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var renderVisible = !goog.object.isEmpty(logos);
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if (this.renderedVisible_ != renderVisible) {
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goog.style.setElementShown(this.element, renderVisible);
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this.renderedVisible_ = renderVisible;
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}
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};
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