//= FRIENDS AJAX CORE HELPER FUNCTIONS
//= 	Loader Anzeigen
//
//== 	Ajax Load Message:
// 		Anzeige einer Box mit Loader und Message
ajaxLoadMessage = function(target, message){
	message = message || '<%= HTML_LOAD_DEFAULT.to_s %>'
	message_target = $("#"+target);
	
	loader_id = "loader-"+randomString()
	html_string = "<div id='" + loader_id +"' class='rounded ajax-load-box'><img src='/assets/icons/loader-16.png'/>" + message +"</div>";
	
	
	message_target.children().fadeTo(500, 0.3)
	
	message_target.append(html_string);
	
	loader = $("#"+loader_id)
	
	// Abemessung berechnen
	loader_width = loader.width()
	loader_height = loader.height()
	
	message_target.css({position: "relative", "min-height": loader_height+"px"})
	
	target_width	= message_target.width()
	target_height	= message_target.height()
	
	if(message_target.height() > window.innerHeight){
		loader.css({left: ((target_width/2)-(loader_width/2))+"px", top: (loader_height)+"px", position: "absolute"})
	}else{
		loader.css({left: ((target_width/2)-(loader_width/2))+"px", top: ((target_height/2)-(loader_height/2))+"px", position: "absolute"})
	}	
	
	
	loader.show();
	
	
	
}

//==	TinyLoadMessage
// 		Anzeige Loader mit Message ohne Box
tinyAjaxLoadMessage = function(target, message){
	message = message || '<%= HTML_TINY_LOAD_DEFAULT.to_s %>'
	message_target = $("#"+target);
	message_target.children().hide();
	message_target.append("<img src='/assets/content-elements/ajax-loader.gif' width='16px' height='16px'/> " + message);
}

progressAjaxLoadMessage = function(target, message){
	message = message || '<%= HTML_TINY_LOAD_DEFAULT.to_s %>'
	message_target = $("#"+target);
	message_target.children().hide();
	message_target.append("<div class='text-center'><div class='spacer-small'>" +  message +"</div><img src='/assets/content-elements/ajax-bar.gif'/></div>");
}

//==	Cursor Loader
// 		Blendet den Mauszeiger aus und 
// 		... coming soon


// Auslesen der Optionen für den Link (Ziel, Loadmessage etc.) aus der CSS-Klasse
linkOptionsFromClassName = function(item){
	
	link_options = new Hash();
	
	link_options.set('target_div', '<%= AJAX_OVERLAY_CONTAINER_NAME %>');
	link_options.set('load_message', false);
  link_options.set('hide_load_message', false);
	link_options.set('tiny_loader', false);
	link_options.set('submit_data', ($(item).attr('<%= AJAX_SUBMIT_DATA_TRIGGER %>') || ''))
	link_options.set('callback', '')
	link_options.set('append', false)
  link_options.set('push_progress_trigger', false)
	
	a = $(item.className.split(" "));
	a.each(function(i){
    if(a[i].match("<%= AJAX_HIDE_LOAD_MESSAGE_SELECTOR %>")){
      link_options.set('hide_load_message', true);  
    }else{
  		if(a[i].match("<%= AJAX_UPDATE_DIV_SELECTOR %>")){
  			link_options.set('target_div', a[i].split("<%= AJAX_UPDATE_DIV_SELECTOR %>")[1]);
  		}
  		else if(a[i].match("<%= AJAX_LOAD_MESSAGE_TRIGGER %>")){
  			link_options.set('load_message', true);
  		}
  		else if(a[i].match("<%= AJAX_TINY_LOAD_TRIGGER %>")){
  			link_options.set('tiny_loader', true);
  			link_options.set('load_message', false);
  		} 
    } 
    if(a[i].match("<%= AJAX_PUSH_PROGRESS_TRIGGER %>")){
      link_options.set('push_progress_trigger', true)
    }  
	})
	
	if(link_options['load_message'] == true){
		link_options.set('load_message_text', $(item).attr('<%= HTML_DATA_LOADING %>'));
	}
	
	if($(item).attr('<%= HTML_DATA_CALLBACK %>')){
		link_options.set('callback', $(item).attr('<%= HTML_DATA_CALLBACK %>'))
	}
	
	if($(item).attr('<%= HTML_DATA_APPEND %>')){
		link_options.set('append', true)
	} 
	
	return link_options
	
}


// Element ausblenden - verwendung als Callback nach löschen etc...
hideItem = function(id){
	$("#"+id).fadeOut(300);
}


// Element löschen - verwendung als Callback nach löschen etc...
removeItem = function(id){
	$("#"+id).remove();
}

// Flash Notify Tools
flashNoticeDisplay = function(text,mode){
	mode = mode || 'ok' ;
	text = text.replace(/\'/g, "\"")
	html_notice = "<div class='notify " + mode + "' style='display:none'>" + text + "</div>";
	$('#<%= FLASH_AREA_DIV %>').html(html_notice);
	$('#<%= FLASH_AREA_DIV %>').children().slideDown(500);
	window.setTimeout('flashFadeOut()', 5000);
}

flashFadeOut = function(){
	$('#<%= FLASH_AREA_DIV %>').children().fadeOut(500);
}

loadAjaxFlashNotice = function(){
	$.getJSON(jsFullUrl('/ajax/json_flash_data'), function(data){
		 $(data).each(function(i) {
			flashNoticeDisplay($(this)[1], $(this)[0]);
		});
	});
}

// Adds full host name etc. to URL
jsFullUrl = function(url){
  proto = '<%= CURRENT_APP.url_options[:protocol] %>'
  host  = '<%= CURRENT_APP.url_options[:host] %>'
  port  = '<%= CURRENT_APP.url_options[:port] %>'
  
  target_url = proto + '://' + host
  if(port != ''){
    target_url = target_url + ":"+port
  }
  return target_url + url
}

// JavaScript Makeover of Rails 2.3 'remote_function' helper
remote_function = function(path_url, div, load_message, submit, load_text){
  if(typeof submit != 'undefined' && submit != '') {
    
    submit = ("#"+submit + " *").replace("##", "#")
    request_data = $(submit).serialize();
    console.log(request_data);
    request_type = "post"
    
  }else{
    request_data = 'authenticity_token=' + AUTH_TOKEN
    request_type = "get"
  }
  
	div = div || '<%= AJAX_OVERLAY_CONTAINER_NAME %>'
	$.ajax({
		success:function(request){
			
			$('#'+div).html(request);

			hideLoading();
			initAllAjaxTools();
      loadAjaxFlashNotice();
		},
    
		beforeSend: function(data){
			if(load_message != false){
				if(load_message == true){
					ajaxLoadMessage(div);
				}else if(load_message == 'tiny'){
				  tinyAjaxLoadMessage(div, load_text);
				}else if(load_message == 'progress'){
				  progressAjaxLoadMessage(div, load_text);
				}
				else{
					showLoading();
				}
			}else{
			}
		},
    
		url:  path_url,
		data: request_data,
		type: request_type 
	});
}



parseJsonDate = function(jsonDate) { 
  date_parts = /(\d{4})-(\d{2})-(\d{2}).(\d{2}):(\d{2})/.exec(jsonDate)
  realDate = new Date(parseInt(date_parts[1]), parseInt(date_parts[2], 10)-1, parseInt(date_parts[3], 10), parseInt(date_parts[4], 10), parseInt(date_parts[5], 10));
  return realDate;
};