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(function ($, $S) {
//$ jQuery
//$S window.localStorage
//Variables Declaration
var $board = $('#board'),
//Board where the Posticks are sticked
Postick, //Singleton Object containing the Functions to work with the LocalStorage
len = 0,
//Length of Objects in the LocalStorage
currentNotes = '',
//Storage the html construction of the posticks
o; //Actual Postick data in the localStorage
//Manage the Posticks in the Local Storage
//Each postick is saved in the localStorage as an Object
Postick = {
add: function (obj) {
obj.id = $S.length;
$S.setItem(obj.id, JSON.stringify(obj));
},
retrive: function (id) {
return JSON.parse($S.getItem(id));
},
remove: function (id) {
$S.removeItem(id);
},
removeAll: function () {
$S.clear();
}
};
//If exist any postick, Create it/them
len = $S.length;
if (len) {
for (var i = 0; i < len; i++) {
//Create all posticks saved in localStorage
var key = $S.key(i);
o = Postick.retrive(key);
currentNotes += '<div class="postick"';
currentNotes += ' style="left:' + o.left;
currentNotes += 'px; top:' + o.top;
//data-key is the attribute to know what item delete in the localStorage
currentNotes += 'px"><div class="toolbar"><span class="delete" data-key="' + key;
currentNotes += '">x</span></div><div contenteditable="true" class="editable">';
currentNotes += o.text;
currentNotes += '</div></div>';
}
//Append all the posticks to the board
$board.html(currentNotes);
}
//When the document is ready, make all posticks Draggable
$(document).ready(function () {
$(".postick").draggable({
cancel: '.editable',
"zIndex": 3000,
"stack" : '.postick'
});
});
//Remove Postick
$('span.delete').live('click', function () {
if (confirm('Are you sure you want to delete this Note?')) {
var $this = $(this);
//data-key is the attribute to know what item delete in the localStorage
Postick.remove($this.attr('data-key'));
$this.closest('.postick').fadeOut('slow', function () {
$(this).remove();
});
}
});
//Create postick
$('#btn-addNote').click(function () {
$board.append('<div class="postick" style="left:20px;top:70px"><div class="toolbar"><span class="delete" title="Close">x</span></div><div contenteditable class="editable"></div></div>');
$(".postick").draggable({
cancel: '.editable'
});
});
//Save all the posticks when the user leaves the page
window.onbeforeunload = function () {
//Clean the localStorage
Postick.removeAll();
//Then insert each postick into the LocalStorage
//Saving their position on the page, in order to position them when the page is loaded again
$('.postick').each(function () {
var $this = $(this);
Postick.add({
top: parseInt($this.position().top),
left: parseInt($this.position().left),
text: $this.children('.editable').text()
});
});
}
})(jQuery, window.localStorage);
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