$(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'));
	
	$('.note').live('click',function(){ 
		 //duzenle($('.note')); //alert('selam');
		 if ($(this).css('z-index')!=zIndex){ 
		 	$(this).css('z-index',++zIndex); 
			 
		 }
		//var id = parseInt( $(this).find('span.data').html());alert(id);
		//var id =  $(this).css('z-index');alert(id +'--'+zIndex);
		
		
	});
	
	$(".duzenle").fancybox({ 
		'easingIn'			: 'easeOutBack',
		'easingOut'			: 'easeInBack',
		'hideOnContentClick': false,
		'padding'			: 15
	});
	/* Configuring the fancybox plugin for the "Add a note" button: */
	
	
	$("#addButton").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: */
	$('.pr-body,.pr-author').live('keyup',function(e){
		if(!this.preview)
			this.preview=$('#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(){
		$('#fancy_ajax .note').removeClass('yellow green blue pembe turuncu').addClass($(this).attr('class').replace('color',''));
	});
	
	/* The submit button: */
	$('#note-submit').live('click',function(e){
		
		if($('.pr-body').val().length<4)
		{
			alert("The note text is too short!")
			return false;
		}
		
		if($('.pr-author').val().length<1)
		{
			alert("You haven't entered your name!")
			return false;
		}
		
		$(this).replaceWith('<img src="img/ajax_load.gif" style="margin:30px auto;display:block" />');
		
		var data = {
			'zindex'	: ++zIndex,
			'id'		: $('.pr-id').val(),
			'body'		: $('.pr-body').val(),
			'author'		: $('.pr-author').val(),
			'color'		: $.trim($('#fancy_ajax .note').attr('class').replace('note',''))
		};
		 
		/* Sending an AJAX POST request: */
		$.post('ajax/post.php',data,function(msg){
					
			var sonuc = msg.split("|");
			if (sonuc[0]=='yeni'){
				
				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(sonuc[1]).end().css({'z-index':zIndex,top:0,left:0});
					tmp.appendTo($('#main'));
					
					make_draggable(tmp) 
				}
			}else if(sonuc[0]=='eski'){
				//var tmp = $('#fancy_ajax');
				//alert('duzenlendi '+ tmp); 
   				$("#duz"+ sonuc[1]).html(data['author']);
   				$("#yaz"+ sonuc[1]).html(data['body']);
   				$("#not"+ sonuc[1]).attr("class", 'note '+ data['color']);//.addClass('note '+ data['color']);
			}
			
			$("#addButton").fancybox.close(); 
		});
		 
		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('ajax/update_position.php',{
				  x		: ui.position.left,
				  y		: ui.position.top,
				  z		: zIndex,
				  id	: parseInt(ui.helper.find('span.data').html())
			});
		}
	});
}


function duzenle(elements){
	/* Elements is a jquery object: */
	//var id	= parseInt(ui.helper.find(elements +'span.data').html());
	//var id	= 0;
	 
	/*
	$("#duzenle").fancybox({
		'zoomSpeedIn'		: 600,
		'zoomSpeedOut'		: 500,
		'easingIn'			: 'easeOutBack',
		'easingOut'			: 'easeInBack',
		'hideOnContentClick': false,
		'padding'			: 15
	});*/
	 
}