Files
openlayers/src/ol/control/fullscreencontrol.js
2013-08-15 13:58:58 +02:00

116 lines
3.0 KiB
JavaScript

goog.provide('ol.control.FullScreen');
goog.require('goog.asserts');
goog.require('goog.dom');
goog.require('goog.dom.TagName');
goog.require('goog.dom.classes');
goog.require('goog.dom.fullscreen');
goog.require('goog.dom.fullscreen.EventType');
goog.require('goog.events');
goog.require('goog.events.EventType');
goog.require('ol.control.Control');
goog.require('ol.css');
/**
* Provides a button that when clicked fills up the full screen with the map.
* When in full screen mode, a close button is shown to exit full screen mode.
*
* Example:
*
* var map = new ol.Map({
* controls: ol.control.defaults({}, [
* new ol.control.FullScreen()
* ]),
* ...
*
* @constructor
* @extends {ol.control.Control}
* @param {ol.control.FullScreenOptions=} opt_options Options.
*/
ol.control.FullScreen = function(opt_options) {
var options = goog.isDef(opt_options) ? opt_options : {};
/**
* @private
* @type {string}
*/
this.cssClassName_ = goog.isDef(options.className) ?
options.className : 'ol-full-screen';
var aElement = goog.dom.createDom(goog.dom.TagName.A, {
'href': '#fullScreen',
'class': this.cssClassName_ + '-' + goog.dom.fullscreen.isFullScreen()
});
goog.events.listen(aElement, [
goog.events.EventType.CLICK,
goog.events.EventType.TOUCHEND
], this.handleClick_, false, this);
goog.events.listen(goog.global.document, goog.dom.fullscreen.EventType.CHANGE,
this.handleFullScreenChange_, false, this);
var element = goog.dom.createDom(goog.dom.TagName.DIV, {
'class': this.cssClassName_ + ' ' + ol.css.CLASS_UNSELECTABLE + ' ' +
(!goog.dom.fullscreen.isSupported() ? ol.css.CLASS_UNSUPPORTED : '')
}, aElement);
goog.base(this, {
element: element,
map: options.map,
target: options.target
});
/**
* @private
* @type {boolean}
*/
this.keys_ = goog.isDef(options.keys) ? options.keys : false;
};
goog.inherits(ol.control.FullScreen, ol.control.Control);
/**
* @param {goog.events.BrowserEvent} browserEvent Browser event.
* @private
*/
ol.control.FullScreen.prototype.handleClick_ = function(browserEvent) {
if (!goog.dom.fullscreen.isSupported()) {
return;
}
browserEvent.preventDefault();
var map = this.getMap();
if (goog.isNull(map)) {
return;
}
if (goog.dom.fullscreen.isFullScreen()) {
goog.dom.fullscreen.exitFullScreen();
} else {
var element = map.getTarget();
goog.asserts.assert(goog.isDefAndNotNull(element));
if (this.keys_) {
goog.dom.fullscreen.requestFullScreenWithKeys(element);
} else {
goog.dom.fullscreen.requestFullScreen(element);
}
}
};
/**
* @private
*/
ol.control.FullScreen.prototype.handleFullScreenChange_ = function() {
var opened = this.cssClassName_ + '-true';
var closed = this.cssClassName_ + '-false';
var anchor = goog.dom.getFirstElementChild(this.element);
if (goog.dom.fullscreen.isFullScreen()) {
goog.dom.classes.swap(anchor, closed, opened);
} else {
goog.dom.classes.swap(anchor, opened, closed);
}
};