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Todo app for iphone ipad using jquery mobile and web storage

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Submitted on: 10/10/2012 1:11:21 PM
By: www.amitpatil.me 
Level: Advanced
User Rating: Unrated
Compatibility: JavaScript
Views: 3374
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     For proper complete article and live demo visitjquery mobile Iphone app I recently added article about web storage and demonstrated how to use local storage and session storage. So i thought to go further and create a application based on html5 web storage so that me and you all can better understand how web storage works and how it can be coded.

 
 
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				So here we are creating jquery mobile Iphone/Ipad application which is simple Todo app for iphone ipad using jquery mobile and web storage, where you can list your todo’s and once its completed you delete it from list. For this app i am using local storage so if you create a list and then come back after few days it will be there as it is, so you can use this app for your daily tasks management.


TODO App



<SCRIPT src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js">

<SCRIPT src="http://code.jquery.com/mobile/1.1.0/jquery.mobile-1.1.0.min.js">


 
Clear

TODO

Add

jquery code
var i = localStorage.length;
function onBodyLoad(){
var todo = "";
 
create_new_list();
 
$("#clear").click(function(){
localStorage.clear();
$("#todo_list li").fadeOut(function(){
$(this).html("");
});
});
 
$("#remove").live("click",function(e){
var index = $(this).closest("li").attr("id");
$(this).closest("li").slideUp(function(){
 
// remove the selected item
localStorage.removeItem('names_'+index);
 
// rearrange localstorage array 
for(i=0; i < localStorage.length; i++) {
 if( !localStorage.getItem("names_"+i)) {
localStorage.setItem("names_"+i, localStorage.getItem('names_' + (i+1) ) );
localStorage.removeItem('names_'+ (i+1) );
 }
}
 
// clear existing list UI
$("#todo_list").html("");
 
// create new list
create_new_list();
});
});
}
function create_new_list(){
for (var i = 0; i < localStorage.length; i++){
todo = localStorage.getItem('names_'+i);
$("#todo_list").append('
  • '+todo+'Remove
  • '); } // Refresh list so jquery mobile can apply iphone look to the list $("#todo_list").listview(); $("#todo_list").listview("refresh"); } function save_todo(){ var todo = $("#textinput1").val(); if(todo.length){ // store item in local storage localStorage['names_'+i] = todo; // Update todo list $("#todo_list").append('
  • '+todo+'Remove
  • '); // Refresh list so jquery mobile can apply iphone look to the list $("#todo_list").listview(); $("#todo_list").listview("refresh"); i++; } }


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