mirror of
https://github.com/EGroupware/egroupware.git
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122 lines
2.9 KiB
JavaScript
122 lines
2.9 KiB
JavaScript
/**
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* EGroupware clientside API for persistant storage
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Nathan Gray
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* @version $Id$
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*/
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"use strict";
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/*egw:uses
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egw_core;
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egw_ready;
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egw_debug;
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*/
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/**
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* Store is a wrapper around browser based, persistant storage.
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*
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*
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* @see http://www.w3.org/TR/webstorage/#storage
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*
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* @param {string} _app
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* @param {DOMWindow} _wnd
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*/
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egw.extend('store', egw.MODULE_GLOBAL, function(_app, _wnd) {
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var egw = this;
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/**
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* Since the storage is shared across at least all applications, make
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* the key include some extra info.
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*
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* @param {string} application
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* @param {string} key
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* @returns {undefined}
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*/
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function mapKey(application, key)
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{
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return application + '-' + key;
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}
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return {
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/**
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* Retrieve a value from session storage
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*
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* @param {string} application Name of application, or common
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* @param {string} key
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* @returns {string}
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*/
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getSessionItem: function(application, key) {
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key = mapKey(application, key);
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return _wnd.sessionStorage.getItem(key);
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},
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/**
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* Set a value in session storage
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*
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* @param {string} application Name of application, or common
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* @param {string} key
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* @param {string} value
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* @returns {@exp;window@pro;sessionStorage@call;setItem}
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*/
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setSessionItem: function(application, key, value) {
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key = mapKey(application, key);
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return _wnd.sessionStorage.setItem(key, value);
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},
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/**
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* Remove a value from session storage
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* @param {string} application
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* @param {string} key
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* @returns {@exp;window@pro;sessionStorage@call;removeItem}
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*/
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removeSessionItem: function(application, key) {
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key = uniqueKey(application, key);
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return _wnd.sessionStorage.removeItem(key);
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},
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/**
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* Set an item to localStorage
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*
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* @param {string} application an application name or a prefix
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* @param {string} item
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* @param {any} value
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* @returns {undefined} returns undefined
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*/
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setLocalStorageItem: function(application, item, value){
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item = mapKey (application, item);
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return localStorage.setItem(item,value);
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},
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/**
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* Get an item from localStorage
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*
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* @param {string} application an application name or prefix
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* @param {stirng} item an item name stored in localStorage
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* @return {string|null} reutrns requested item value otherwise null
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*/
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getLocalStorageItem: function(application, item){
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item = mapKey(application, item);
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return localStorage.getItem(item);
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},
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/**
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* Remove an item from localStorage
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*
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* @param {string} application application name or prefix
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* @param {string} item an item name to remove
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* @return {undefined} returns undefined
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*/
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removeLocalStorageItem: function (application, item){
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item = mapKey(application, item);
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return localStorage.removeItem(item);
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}
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};
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}); |