Created
January 30, 2015 04:52
-
-
Save dgowrie/959708a5649cfa43b567 to your computer and use it in GitHub Desktop.
Local Storage example, structured with the Revealing Prototype Pattern for a "Class" like usage, also namespaced
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html xmlns="http://www.w3.org/1999/xhtml"> | |
| <head> | |
| <title>Localstorage demo</title> | |
| </head> | |
| <script src="Scripts/jquery-2.0.3.min.js"></script> | |
| <script src="Scripts/LocalStorageUtility.js"></script> | |
| <script type="text/javascript"> | |
| $(document).ready(function () { | |
| var ls = new AppUtils.LocalStorageUtility(["Name", "City"], ["tbName", "tbCity"], "lblFeedback"); | |
| if (ls.HasLocalStorage) { | |
| $("#lblFeedback").text("Local storage is enabled!"); | |
| } | |
| else { | |
| $("#lblFeedback").text("Local storage is disabled!"); | |
| } | |
| $("#btnLoadSettings").click(function () { ls.LoadSettings(ls); }); | |
| $("#btnSaveSettings").click(function () { ls.StoreSettings(ls); }); | |
| $("#btnClearSettings").click(ls.ClearSettings); | |
| }); | |
| </script> | |
| <body> | |
| <table> | |
| <tr> | |
| <td>Name</td><td><input id="tbName" type="text" /></td> | |
| <td>City</td><td><input id="tbCity" type="text" /></td> | |
| </tr> | |
| </table> | |
| <button id="btnLoadSettings" type="button">Load settings</button> | |
| <button id="btnSaveSettings" type="button">Save settings</button> | |
| <button id="btnClearSettings" type="button">Clear settings</button> | |
| <p id="lblFeedback" style="color: darkgreen">ready</p> | |
| </body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var AppUtils = AppUtils || {}; | |
| AppUtils.LocalStorageUtility = function(storageKeys, sourceElements, feedbackElement) { | |
| this.storageKeys = storageKeys; | |
| this.sourceElements = sourceElements; | |
| this.feedbackElement = feedbackElement; | |
| }; | |
| AppUtils.LocalStorageUtility.prototype = (function () { | |
| var storeSettings = function (thisObj) { | |
| for (var i = 0; i < thisObj.storageKeys.length; i++) { | |
| var storageKey = thisObj.storageKeys[i]; | |
| var elementName = thisObj.sourceElements[i]; | |
| localStorage.setItem(storageKey, $("#" + elementName).val()); | |
| } | |
| $("#" + thisObj.feedbackElement).text("Local setting saved!"); | |
| }, | |
| loadSettings = function (thisObj) { | |
| for (var i = 0; i < thisObj.storageKeys.length; i++) { | |
| var storageKey = thisObj.storageKeys[i]; | |
| var elementName = thisObj.sourceElements[i]; | |
| $("#" + elementName).val(localStorage.getItem(storageKey)); | |
| } | |
| $("#" + thisObj.feedbackElement).text("Local setting loaded!"); | |
| }, | |
| clearSettings = function () { | |
| localStorage.clear(); | |
| }, | |
| hasLocalStorage = function () { | |
| return typeof (Storage) !== "undefined"; | |
| } | |
| return { | |
| StoreSettings: storeSettings, | |
| LoadSettings: loadSettings, | |
| ClearSettings: clearSettings, | |
| HasLocalStorage: hasLocalStorage | |
| }; | |
| })(); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment