var mymode="";
var act_func;
var act_id;
var layout_opt="desktop";
var page_view="getpage.php";
var stream_view="streameditor.php";
var base_script="index.php";
var act_action="";
var selected_image_id="";
var selected_image_name="";
var act_images_list=new Array();
var act_pages_list=new Array();
var default_empty_img='images/nix.gif';
var flg_call=true;
var exit_allowed=false;
var selected_page_id="";
var sort_edit_mode="";
var showmode="common";
var act_index_id='';
var act_start_id='';
var refresh_self=false;
var content_mode='pageview';
var streammodeflg=false;
var act_uid='';
var act_name='';
var act_pid='';
var act_paragraph_id='';
var act_container_id='';
var act_visibility_opt=false;
var message_out=false;

function ajaxCall(ajaxurl,fdata){
	if (objectuid) fdata.oid=objectuid;
	if (parentuid) fdata.pid=parentuid;
	if (sessionuid) fdata.sid=sessionuid;
	if (myaction) fdata.action=myaction;
	fdata.sflag=true;
	$.ajax({
		url: ajaxurl,
		data: fdata,
		datatype: "json",
		type: "POST",
		success: function(data) { ajaxCallResponse(data); }
	});
}

function ajaxCallResponse(data) {
	var result = $.parseJSON(data);
	var parentobj=(null!=opener)?opener:parent;
	exit_allowed=true;
	if (result.response=='ok') {
		if (result.oid) {
			$("#oid").val(result.oid);
		}
		if (mymode=='page'&&act_func=='deletepage'||mymode=='paragraph'&&(act_func=='deleteparagraph'||act_func=='deletecontainer')) {
			location.reload();
		}
		else {
			if (result.action=='loadpages') {
				$('#pagescontent').html(result.html);
				act_pages_list=result.pageslist;
				act_index_id=result.indexuid;
				if (refresh_self) {
					refresh_self=false;
					var myid=(act_index_id.length>0)?act_index_id:act_pages_list[0];
					$('#pid_'+myid).click();
				}
				set_edit_functions(true);
				return;
			}
			else if (result.action=='setoptions') {
				return;
			}
			else if (result.action=='loadstreamcontent') {
				if (result.html.length>0) {
					$('#streamareaid').html(result.html);
				}
				else {
					$('#streamareaid').html($('#nohtmlcontent').html());
				}
				contentobjectvar=result.contentobjectvar;
				act_content_list=result.contentlist;
				streammodeflg=true;
				set_edit_functions(true);
				return;
			}
			else if (result.action=='setproperties') {
				allowinit=true;
				init_stream_block();
				toggle_streams_properties();
				return;
			}
			else if (result.action=='getnewpage') {
				if (result.topicid) {
//					selected_page_id=result.pageid;
					$('#pid_'+result.topicid).click();
				}
				return;
			}

			if (mymode=='paragraph') {
				close_modal_window();
				show_wait_message();
				refresh_only_ng_content();
				return;
			}
			if (null!=parentobj) {
				parentobj.location.reload();
			}
			else {
				show_wait_message();
				location.reload();
			}
		}
	}
	else if (result.msg=='LoggedIn') {
		var answer = confirm(unescape('Es ist bereits ein Benutzer mit diesem Namen angemeldet. Mit Klick auf OK wird der andere Benutzer abgemeldet. Dabei gehen seine noch nicht gespeicherten \u00c4nderungen verloren.'));
		if (answer) {
			login_opt=true;
			if (typeof send_prepared_data=='function') send_prepared_data();
		}
		return;
	}
	else {
		if (result.action=='dologin'||result.code=='30003') {
			if (null!=parentobj) {
				if(typeof parentobj.remove_session == 'function') {
					parentobj.remove_session(result.sname);
					parent.location.reload();
				}
			}
			else {
				if(typeof remove_session == 'function') {
					remove_session(result.sname);
					location.reload();
				}
			}
			return;
		}
		else if (result.action=='login'&&result.code=='30001'&&result.block>=3) {
			set_block_mode();
		}
		message_out=true;
		alert(unescape(result.message));
	}
}

function process_cfunction(what) {
  if (''==act_sid) {
    jump_to_startpage(true);
    return;
  }
  var arr = what.split("/");
  if (!(arr[0]&&arr[1])) return false;
  act_func=arr[0];
  act_id=arr[1];
	var oid='';
	var pid='';
	var myurl='';
	var mode='';
	var vartxt='';
	switch (act_func) {
		case 'addpage':
      pid=act_id;
      vartxt='Seite im Ordner \''+act_folder_name+'\' neu anlegen';
			mode='page';
      break;
		case 'editpage':
      oid=act_id;
      vartxt='Seiteneigenschaften editieren';
			mode='page';
      break;
		case 'addparagraphtext':
      pid=act_id;
      vartxt='JS_ADD_PARAGRAPH_TXT';
			mode='paragraph';
      break;
    case 'editparagraph':
      oid=act_id;
      vartxt='Absatz editieren';
			mode='paragraph';
      break;

    case 'deleteparagraph':
      var answer = confirm("M\u00f6chtest Du den Absatz wirklich in den Papierkorb verschieben?");
      if (answer) {
        mymode='paragraph';
        call_object_function();
        return;
      }
      break;

    case 'deletecontainer':
      var answer = confirm("M\u00f6chtest Du wirklich alle Abs\u00e4tze aus diesem Container in den Papierkorb verschieben?");
      if (answer) {
        mymode='paragraph';
        call_object_function();
        return;
      }
      break;

    case 'deletepage':
      var answer = confirm("Bist Du sicher, da\u00df Du die Seite '"+act_page_name+"' in den Papierkorb verschieben m\u00f6chtest?");
      if (answer) {
				mymode='page';
				call_object_function();
				return;
      }
      break;

    case 'deletepicture':
      var answer = confirm("Bist Du sicher, da\u00df Du '"+selected_image_name+"' in den Papierkorb verschieben m\u00f6chtest?");
      if (answer) {
				call_object_function();
				return;
      }
      break;

    case 'page':
			if ($('#pid_'+act_id).length>0){
				$('#pid_'+act_id).click();
			}
			else {
				act_func='getnewpage';
				act_uid=act_id;
				call_object_function();
			}
      return;
      break;

    case 'topic':
//			refresh_self=true;
			$('#pid_'+act_id).click();
      return;
      break;

    default:
       alert(act_func + ' => ' + act_id + ' noch nicht implementiert');
       return;
      break;
  }
	if (oid||pid) {
		if (oid) myurl=action_url+'oid='+act_id;
		else if (pid) myurl=action_url+'pid='+act_id;
		myurl+='&mode='+mode;
		if (typeof $('#myIframe').iframeAutoHeight == 'function') {
			$('#myIframe').remove();
			$('#ngcontent').hide();
			$('#myIframeContainer').show();
			showmode='edit';
			$('<iframe />', {
   				name: 'myIframe',
   				id:   'myIframe',
   				scrolling: 'no',
	   			style: 'border:none;width:100%;height:800px;',
  	 			src: myurl
			}).appendTo('#myIframeContainer');
			$('#myIframe').iframeAutoHeight({minHeight: 800,heightOffset: 200});
		}
		else {
			document.location.href=myurl;
		}
	}
}

function refresh_only_ng_content () {
//	change_page_selection();
	document.getElementById('ngcontent').contentDocument.location.reload(true);
}

function refresh_ng_content () {
	if (arguments[0]=='ok') {
		if (!arguments[3]) {
			close_modal_window();
			show_wait_message();
		}
		if (arguments[2]) $('#ngcontent').attr('src', arguments[2]);
		else $('#ngcontent').attr('src', $('#ngcontent').attr('src'));
	}
}

function close_modal_window () {
	try {
		$('#myCloseButton').click();
	}
	catch (e) {}
}

function close_wait_message () {
	try {
		$('#myWaitCloseButton').click();
	}
	catch (e) {}
}

function set_new_page_window () {
	close_wait_message ();
}

function show_wait_message () {
	try {
	if (!act_page_id) return;
		$("#ngcontent").contents().find("#loadingdiv").css("display","block");
	}
	catch (e) {
	}
}

function select_page (oid) {
	change_page_selection (oid);
}

function change_page_selection () {
  if (!check_editmode ()) return;

	if (content_mode=='pageview') {
		$("#viewmodeid").show();
		$("#editfuncid").show();
		var myurl=page_view+'?url='+url+'&nglayout='+layout_opt+'&ispage=1';
		if (arguments[0]) myurl+='&ngp='+arguments[0];
		if (arguments[1]) myurl+='&teaser='+arguments[1];
	}
	else {
		$("#viewmodeid").hide();
		$("#editfuncid").hide();
		var myurl=stream_view+'?action=getpage';
		myurl+='&pid='+arguments[0];
//		alert(arguments[0]);
		if (act_pages_list.length==0) myurl+='&ncontent=1';
	}
	if (act_visibility_opt===true) myurl+='&setvisible=1';
	else myurl+='&setvisible=0';
	refresh_ng_content('ok','',myurl);
}

function set_cookie() {
 if (arguments[2]) {
  var date = new Date();
  date.setTime(date.getTime()+(arguments[2]*24*60*60*1000));
  var expires = "; expires="+date.toGMTString();
 }
 else expires = "";
 document.cookie = arguments[0]+"="+arguments[1]+expires+"; path=/";
 }
function remove_session () {
	if (arguments[1]) {
		alert(arguments[1]);
	}
	act_sid='';
	set_cookie(arguments[0],"",-1);
}
function jump_to_startpage(logout) {
	var param='';
	if (logout) {
		param='?action=logout';
	}
	url=base_script+param;
	jump_to_page(url);
}
function jump_to_page(url) {
	$(location).attr('href', url);
}
function set_active_item(sel,id,css) {
	$(sel).removeClass(css);
	$('#'+id).addClass(css);
}
function set_edit_page(id,oid,istopic,pid,pname,teaserpage,loadpages,ispage) {
  if (!check_editmode ()) {
		return;
	}
	var txt="";
	if (ispage) {
		txt='#pagescontent a';
	}
	else {
		txt='#tree a';
	}
	set_active_item(txt,id,'pagelnkon');
	if (istopic) {
		act_folder_name=$('#'+id).html();
		act_folder_id=oid;
		is_teaser_page='';
		if (loadpages) {
			if(typeof load_pages == 'function') {
				load_pages(oid);
			}
		}
	}
	else {
		act_folder_id=pid;
		act_folder_name=pname;
		act_page_name=$('#'+id).html();
		if (!(act_page_name.length>0)) act_page_name=$('#pid_'+id).html();
		act_page_id=oid;
		is_teaser_page=teaserpage;
		if (flg_call==true) {
			change_page_selection(oid,teaserpage);
		}
		set_edit_functions(false);
	}
}
function toggleDirection() {
	var vall,valc,valr;
	if (!arguments[0]) {
		toggle_direction=(toggle_direction=='Left')?'Right':'Left';
	}
	if (toggle_image=='Picture') {
		if (toggle_direction=='Left') {
			$('#leftside').html($('#imagetoright').html()+$('#imagecontent').html());
			$('#rightside').html('');
			vall=valc='49%';
			valr='0';
			init_sidebar_area('left');
		}
		else {
			$('#rightside').html($('#imagetoleft').html()+$('#imagecontent').html());
			$('#leftside').html('');
			valr=valc='49%';
			vall='0';
			init_sidebar_area('right');
		}
	}
	else {
		vall='0';
		valr='40px';
		$('#leftside').html('');
		$('#rightside').html($('#rightsidecontent').html());
		valc='95%';
	}
//	alert(vall);
	$('#leftside').css('width',vall);
	$('#rightside').css('width',valr);
	$('#teditor').css('width',valc);
}

function toggleImage() {
	toggle_image=(toggle_image=='Picture')?'None':'Picture';
	toggleDirection(true);
}
function set_edit_dir(id,oid) {
	act_image_folder=oid;
	act_action="getimages";
	if (id) {
		set_active_item('#tree a',id,'pagelnkon');
		$('#imgcontentfolder').html($('#'+id).html());
	}
	ajaxCallImages(oid,true);
}

function ajaxCallImages(oid,loadingflag){
	if (loadingflag) show_loading_info('imgcontent');
	$.ajax({
		url: "images.php",
		data: {
				oid: oid,
				sid: sessionuid,
				action: act_action,
				obj_picture_id: act_obj_picture_id,
				sflag: true
			},
		datatype: "json",
		type: "POST",
		success: function(data) { ajaxCallImagesResponse(data); }
	});
}

function ajaxCallImagesResponse(data) {
	var result = $.parseJSON(data);
	var parentobj=(null!=opener)?opener:parent;
	if (result.response=='ok') {
		if (result.html) {
			$("#imgcontent").html(result.html);
		}
		act_images_list=result.imageslist;
	}
	else {
		if (result.action=='dologin') {
			if (null!=parentobj) {
				if(typeof parentobj.remove_session == 'function') {
					parentobj.remove_session(result.sname, result.message);
				}
			}
			return;
		}
		alert(result.message);
	}
}

function show_loading_info (id) {
	$('#'+id).html('<div style="width:20px;z-index:1000;position:absolute;top:5px;right:34%;"><img src="images/loader16.gif" id="loaderimg" style="display:block;" /></div>'+$('#'+id).html());
}

function ngc_select_image(id) {
	set_active_item('.listimage',id,'listimageselected');
	selected_image_id=id;
	selected_image_name=$('#'+id).attr('title');
	if (image_show_mode=='select') {
		$('.uploadstatus').html('');
		$('#progress .bar').css('width','0%');
		$('#progresstext').html('');

		act_obj_picture_id=selected_image_id;
		var myvar;
		if (target_img_id) {
			myvar='.'+target_img_id;
		}
		else myvar='.imagefile';
		show_image(myvar,id,false,false);
		if (toggle_image=='None') {
			toggle_image='Picture';
			toggleDirection(true);
		}
		$('#tab_1').click();
	}
}

function ngc_remove_image(id) {
	selected_image_id="";
	if (image_show_mode=='select') {
		act_obj_picture_id=selected_image_id;
	}
	var myvar='.'+id;
	$(myvar+'txt').show();
	$(myvar).hide();
	$(myvar).attr('src',default_empty_img);
}

function ngc_show_images (id) {
	target_img_id=id;
	$('#tab_2').click();
	image_show_mode='select';
}

function add_new_page() {
  if (!check_editmode ()) return;
	process_cfunction('addpage/'+act_folder_id);
}
function edit_page_properties() {
	if (is_teaser_page) {
		alert("Die Eigenschaften dieser Seite k\u00f6nnen hier nicht editiert werden.");
		return false;
	}
	if (!act_page_id) return;
  if (!check_editmode ()) return;
	process_cfunction('editpage/'+act_page_id);
}
function remove_page() {
	if (!act_page_id) return;
  if (!check_editmode ()) return;
	process_cfunction('deletepage/'+act_page_id);
}
function remove_picture() {
	process_cfunction('deletepicture/'+selected_image_id);
}
function call_object_function () {
	var fdata = new Object;
	if (act_uid.length>0) fdata.uid	= act_uid;
	if (act_pid.length>0) fdata.pid	= act_pid;
	if (act_name.length>0) fdata.act_name	= act_name;
	objectuid=parentuid=myaction=act_uid=act_pid='';
	fdata.oid	= act_id;
	fdata.sid	= act_sid;
	fdata.action	= act_func;
	ajaxCall(base_script,fdata);
}
function in_array(item,arr) {
	for(p=0;p<arr.length;p++) if (item==arr[p]) return true;
	return false;
}
function allow_closing() {
	var $f = $("#myIframe");
	if (typeof $f[0].contentWindow.check_for_closing == 'function') {
		var ret=$f[0].contentWindow.check_for_closing();
		if (ret) exit_allowed=true;
		return ret;
	}
	else {
		return true;
	}
}
function set_edit_functions(allflg) {
	$("#downarrow").html($("#downinactive").html());
	$("#uparrow").html($("#upinactive").html());
	if (streammodeflg) {
		streammodeflg=false;
		var myarr=act_content_list;
		var compkey=(act_paragraph_id)?act_paragraph_id:act_container_id;
	}
	else {
		var myarr=act_pages_list;
		var compkey=act_page_id;
	}
	var maxval=myarr.length;
	var flgfound=false;
	for (p=0;p<maxval;p++) {
//		$('#pid_'+act_pages_list[p]).removeClass('indexclass');
		if (compkey==myarr[p]) {
			if (p>0) $("#uparrow").html($("#upactive").html());
			if (p<(maxval-1)) $("#downarrow").html($("#downactive").html());
			flgfound=true;
		}
	}
	if (allflg) {
		if (flgfound) {
			$("#deletefunc").html($("#deletefuncactive").html());
			if (compkey==act_container_id) {
				$("#editfunc").html($("#editfuncinactive").html());
			}
			else {
				$("#editfunc").html($("#editfuncactive").html());
			}
		}
		else {
			$("#deletefunc").html($("#deletefuncinactive").html());
			$("#editfunc").html($("#editfuncinactive").html());
		}
	}
	if (!flgfound||(flgfound&&act_index_id==act_page_id)) {
		$("#indexfunc").html($("#indexfuncinactive").html());
	}
	else {
		$("#indexfunc").html($("#indexfuncactive").html());
	}
//	if (act_index_id) {
//		$('#pid_'+act_index_id).removeClass('indexclass');
//		$('#pid_'+act_index_id).addClass('indexclass');
//		$('#pid_'+act_index_id).attr('title','Index-Seite');
//	}
}
function set_page_properties(mode) {
  if (!check_editmode ()) return;
	selected_page_id=act_page_id;
	sort_edit_mode=mode;
	load_pages(act_folder_id);
}

function check_editmode () {
	if (showmode=='edit') {
		if (allow_closing()) {
			showmode='';
			$('#ngcontent').show();
			$('#myIframeContainer').hide();
			return true;
		}
		return false;
	}
	return true;
}

function show_image(tid,id,imgsrc,imgtitle) {
	$(tid+'txt').hide();
	if (imgsrc) $(tid).attr('src',imgsrc);
	else $(tid).attr('src',$('#'+id).attr('src'));
	if (imgsrc) $(tid).attr('title',imgtitle);
	else $(tid).attr('title',$('#'+id).attr('title'));
	if (imgsrc) {
		var img = new Image();
		img.onload = function() {
			set_img_width_height(tid,this.width/this.height);
		}
		img.src = imgsrc;
	}
	else {
		set_img_width_height(tid,$('#'+id).width()/$('#'+id).height());
	}
}

function set_img_width_height(tid,mynum) {
	if (mynum<1) {
		$(tid).css('width','');
		$(tid).css('height','95%');
	}
	else {
		$(tid).css('height','');
		$(tid).css('width','95%');
	}
	$(tid).show();
}

function cancel_editmode() {
	if (allow_closing()) {
		$('#myIframeContainer').hide();
		$('#ngcontent').show();
	}
}