geoportal-extensions-openlayers
Version:
102 lines (94 loc) • 3.19 kB
JavaScript
/**
* @module Utils
* @alias Gp.olUtils
* @description
* ...
*
* @example
* detectSupport();
* assign();
* mergeParams();
*/
var Utils = {
/**
* this method is called by the constructor.
* this information is useful to switch to touch mode.
* Detection : test for desktop or tactile
*
* @function detectSupport
* @returns {Boolean} isDesktop - true for desktop userAgent, false for mobile
*/
detectSupport : function () {
var isDesktop = true;
var userAgent = window.navigator.userAgent.toLowerCase();
if (userAgent.indexOf("iphone") !== -1 ||
userAgent.indexOf("ipod") !== -1 ||
userAgent.indexOf("ipad") !== -1 ||
userAgent.indexOf("android") !== -1 ||
userAgent.indexOf("mobile") !== -1 ||
userAgent.indexOf("blackberry") !== -1 ||
userAgent.indexOf("tablet") !== -1 ||
userAgent.indexOf("phone") !== -1 ||
userAgent.indexOf("touch") !== -1) {
isDesktop = false;
}
if (userAgent.indexOf("msie") !== -1 ||
userAgent.indexOf("trident") !== -1) {
isDesktop = true;
}
return isDesktop;
},
/**
* Copies all source object members to dest
*
* @function assign
* @param {Object} dest - destination object where properties and method will be copied
* @param {Object} source - source object from which properties and method will be copied
* @returns {Object} dest
*/
assign : function (dest, source) {
dest = dest || {};
for (var prop in source) {
if (source.hasOwnProperty(prop)) {
dest[prop] = source[prop];
}
}
return dest;
},
/**
* Merge two objects parameters (deeper than assign)
*
* @function mergeParams
* @param {Object} dest - destination object where properties and method will be merge
* @param {Object} source - source object from which properties and method will be merge
* @param {Boolean} replace - replace destination value by source if exists or not (true by default)
*/
mergeParams : function (dest, source, replace) {
if (typeof dest === "undefined" || typeof source === "undefined") {
return;
}
if (typeof replace === "undefined") {
replace = true;
}
for (var param in source) {
if (source.hasOwnProperty(param)) {
if (typeof source[param] === "object") {
if (dest.hasOwnProperty(param)) {
this.mergeParams(dest[param], source[param], replace);
} else {
dest[param] = source[param];
}
} else {
if (dest.hasOwnProperty(param)) {
if (replace) {
dest[param] = source[param];
}
} else {
dest[param] = source[param];
}
}
}
}
}
};
export default Utils;