164 lines
4.2 KiB
JavaScript
164 lines
4.2 KiB
JavaScript
goog.provide('ol.control.FullScreen');
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goog.require('goog.asserts');
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goog.require('goog.dom');
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goog.require('goog.dom.fullscreen');
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goog.require('goog.dom.fullscreen.EventType');
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goog.require('ol.events');
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goog.require('ol.events.EventType');
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goog.require('ol');
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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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* Provides a button that when clicked fills up the full screen with the map.
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* The full screen source element is by default the element containing the map viewport unless
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* overriden by providing the `source` option. In which case, the dom
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* element introduced using this parameter will be displayed in full screen.
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*
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* When in full screen mode, a close button is shown to exit full screen mode.
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* The [Fullscreen API](http://www.w3.org/TR/fullscreen/) is used to
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* toggle the map in full screen mode.
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*
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*
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* @constructor
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* @extends {ol.control.Control}
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* @param {olx.control.FullScreenOptions=} opt_options Options.
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* @api stable
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*/
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ol.control.FullScreen = function(opt_options) {
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var options = opt_options ? opt_options : {};
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/**
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* @private
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* @type {string}
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*/
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this.cssClassName_ = options.className !== undefined ? options.className :
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'ol-full-screen';
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var label = options.label !== undefined ? options.label : '\u2922';
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/**
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* @private
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* @type {Node}
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*/
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this.labelNode_ = typeof label === 'string' ?
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document.createTextNode(label) : label;
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var labelActive = options.labelActive !== undefined ? options.labelActive : '\u00d7';
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/**
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* @private
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* @type {Node}
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*/
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this.labelActiveNode_ = typeof labelActive === 'string' ?
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document.createTextNode(labelActive) : labelActive;
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var tipLabel = options.tipLabel ? options.tipLabel : 'Toggle full-screen';
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var button = goog.dom.createDom('BUTTON', {
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'class': this.cssClassName_ + '-' + goog.dom.fullscreen.isFullScreen(),
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'type': 'button',
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'title': tipLabel
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}, this.labelNode_);
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ol.events.listen(button, ol.events.EventType.CLICK,
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this.handleClick_, this);
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var cssClasses = this.cssClassName_ + ' ' + ol.css.CLASS_UNSELECTABLE +
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' ' + ol.css.CLASS_CONTROL + ' ' +
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(!goog.dom.fullscreen.isSupported() ? ol.css.CLASS_UNSUPPORTED : '');
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var element = goog.dom.createDom('DIV', cssClasses, button);
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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.keys_ = options.keys !== undefined ? options.keys : false;
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/**
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* @private
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* @type {Element|string|undefined}
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*/
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this.source_ = options.source;
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};
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goog.inherits(ol.control.FullScreen, ol.control.Control);
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/**
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* @param {Event} event The event to handle
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* @private
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*/
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ol.control.FullScreen.prototype.handleClick_ = function(event) {
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event.preventDefault();
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this.handleFullScreen_();
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};
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/**
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* @private
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*/
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ol.control.FullScreen.prototype.handleFullScreen_ = function() {
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if (!goog.dom.fullscreen.isSupported()) {
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return;
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}
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var map = this.getMap();
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if (!map) {
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return;
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}
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if (goog.dom.fullscreen.isFullScreen()) {
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goog.dom.fullscreen.exitFullScreen();
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} else {
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var element = this.source_ ?
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goog.dom.getElement(this.source_) : map.getTargetElement();
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goog.asserts.assert(element, 'element should be defined');
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if (this.keys_) {
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goog.dom.fullscreen.requestFullScreenWithKeys(element);
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} else {
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goog.dom.fullscreen.requestFullScreen(element);
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}
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}
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};
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/**
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* @private
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*/
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ol.control.FullScreen.prototype.handleFullScreenChange_ = function() {
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var button = this.element.firstElementChild;
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var map = this.getMap();
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if (goog.dom.fullscreen.isFullScreen()) {
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button.className = this.cssClassName_ + '-true';
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goog.dom.replaceNode(this.labelActiveNode_, this.labelNode_);
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} else {
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button.className = this.cssClassName_ + '-false';
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goog.dom.replaceNode(this.labelNode_, this.labelActiveNode_);
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}
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if (map) {
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map.updateSize();
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}
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};
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/**
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* @inheritDoc
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* @api stable
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*/
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ol.control.FullScreen.prototype.setMap = function(map) {
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goog.base(this, 'setMap', map);
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if (map) {
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this.listenerKeys.push(
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ol.events.listen(goog.global.document, goog.dom.fullscreen.EventType.CHANGE,
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this.handleFullScreenChange_, this)
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);
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}
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};
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