$(document).ready(function(){
	/* This code is executed after the DOM has been completely loaded */

	var tmp;
	
	$('.note').each(function(){
		/* Finding the biggest z-index value of the notes */
		tmp = $(this).css('z-index');
		if(tmp>zIndex) zIndex = tmp;
	})

	/* A helper function for converting a set of elements to draggables: */
	make_draggable($('.note'));
	
	/* Configuring the fancybox plugin for the "Add a note" button: */
	$("#addButton").fancybox({
		'zoomSpeedIn'		: 600,
		'zoomSpeedOut'		: 500,
		'easingIn'			: 'easeOutBack',
		'easingOut'			: 'easeInBack',
		'hideOnContentClick': false,
		'padding'			: 15
	});
	
	$(".green-button").fancybox({
		'zoomSpeedIn'		: 600,
		'zoomSpeedOut'		: 500,
		'easingIn'			: 'easeOutBack',
		'easingOut'			: 'easeInBack',
		'hideOnContentClick': false,
		'padding'			: 15
	});

	/* Listening for keyup events on fields of the "Add a note" form: */
	$('.pr-body').live('keyup',function(e){
		if(!this.preview)
			this.preview=$('#fancy_ajax .note');
		
		/* Setting the text of the preview to the contents of the input field, and stripping all the HTML tags: */
		this.preview.find($(this).attr('class').replace('pr-','.')).html($(this).val().replace(/<[^>]+>/ig,''));
	});
	
	/* Changing the color of the preview note: */
	$('.color').live('click',function(){
		$('#fancy_ajax .note').removeClass('yellow green blue').addClass($(this).attr('class').replace('color',''));
	});


	/* The submit button: */
	$('#note-submit').live('click',function(e){
		
		if($('.pr-body').val().length<4)
		{
			$.jGrowl("Nội dung ghi chú quá ngắn!")
			return false;
		}
		
		$(this).replaceWith('<img src="/images/81.gif" style="margin:30px auto;display:block" />');
		
			card = document.getElementById('card_id').value; 
			noteid = document.getElementById('note_id').value; 		
		var data = {
			'act'	: 'new_note',
			'zindex'	: ++zIndex,
			'card'	:	card,
			'note'	:	noteid,
			'author'	: $('.pr-author').val(),
			'body'		: $('.pr-body').val(),
			'color'		: $.trim($('#fancy_ajax .note').attr('class').replace('note',''))
		};
		
		
		/* Sending an AJAX POST request: */
		$.post('/action/the-gioi-phang.html',data,function(msg){
						 
			if(parseInt(msg))
			{
				/* msg contains the ID of the note, assigned by MySQL's auto increment: */
				
				var tmp = $('#fancy_ajax .note').clone();
				
				tmp.find('span.data').text(msg).end().css({'z-index':zIndex,top:0,left:0});
				tmp.appendTo($('#main'));
				
				make_draggable(tmp)
			}
			
			$("#addButton").fancybox.close();
			
			$.jGrowl("Thêm/sửa ghi chú thành công!")
			
			window.location.reload();
			
		});		
		
		e.preventDefault();
		
	})
	$('.note-form').live('submit',function(e){e.preventDefault();});
});

var zIndex = 0;

function make_draggable(elements)
{
	/* Elements is a jquery object: */
	
	elements.draggable({
		containment:'parent',
		start:function(e,ui){ ui.helper.css('z-index',++zIndex); },
		stop:function(e,ui){
			
			/* Sending the z-index and positon of the note to update_position.php via AJAX GET: */

			$.get('/z_action/update_position.php',{
				  x		: ui.position.left,
				  y		: ui.position.top,
				  z		: zIndex,
				  id	: parseInt(ui.helper.find('span.data').html())
			});

		}
	});
	
		$('a.delete').click(function(e) {
		 var a = confirm("Bạn có thật sự muốn xóa?");
		 if (a) {		 
			e.preventDefault();
			var parent = $(this).parent();
			$.ajax({
				type: 'get',
				url: '/note.php',
				data: 'delete=' + parent.attr('id').replace('record-',''),
				success: function() {
					parent.slideUp(300,function() {
						parent.remove();
					});
				}
			});
		$.jGrowl("Đã xóa ghi chú!")	
		return true; 
		}
		else { return false; }
		});

}