public void SetData (System.Web.UI.WebControls.PlaceHolder Anchor,
DataHandling DhExisting, int NumberOfDisplayableEntries)
{
m_Anchor = Anchor;
m_Dh = DhExisting;
m_NumberOfDisplayableEntries = NumberOfDisplayableEntries;
}
protected void Page_Load (object sender, EventArgs e)
{
Dh = new DataHandling ();
Dh.DataBase.ConnectionStringName = "WPMediaAddOnDataConnectionString";
if (Request.QueryString ["Search"] != null)
{
ProcessTreeSearchEntered ();
return;
}
if (!IsPostBack)
ShowSelectionTree ();
// ShowCalendarFrame (DateTime.Now);
}
protected void Page_Load (object sender, EventArgs e)
{
if ((Request.QueryString ["BeitragID"] != null)
&& (Request.QueryString ["Width"] != null))
{
String BeitragID = Request.QueryString ["BeitragID"].ToString ();
String WidthString = Request.QueryString ["Width"].ToString ();
if ((BeitragID != "")
&& (WidthString != ""))
{
DataHandling Dh = new DataHandling ();
if (!Dh.SetBeitrag (BeitragID))
{
return;
}
int Width = Convert.ToInt32 (WidthString);
Response.ContentType = "image/jpeg";
byte [] PictureString = Dh.GetJPEGImageBytes (BeitragID, Width);
if (PictureString != null)
Response.BinaryWrite (PictureString);
}
}
}
List<String> GetStandBildIndizessFiles (DataHandling Dh, WPMediaStandbildPlayingData StandBildPlayingData)
{
List<String> Names = WMB.Basics.GetFilesFromDirectory
(WMB.Basics.GetRemoteWPMediaRoot () + "\\WPMediaFinalInternetSource\\" + StandBildPlayingData.TableName,
new string[ ] {"*StandBildArchiv*.xml"}, 1);
Names.Sort ();
return Names;
}
int CreateVideoPlusBackGroundProgrammGenerationEntry (String BackGroundID, Table MaterialTable)
{
Dh = new DataHandling ();
if (!Dh.SetBeitrag (BackGroundID))
{
Label MessageLabel = new Label ();
this.LinkToVideosContentPlace.Controls.Add (MessageLabel);
MessageLabel.Text = "F�r die mitgegebene BackGroundBeitragsID war kein Beitrag zu finden\r\n"
+ Dh.GetErrorMessage ();
MessageLabel.Width = Unit.Percentage (99);
return 0;
}
DataTable MaterialDataTable = Dh.GetMaterialDataTable ();
DataTable MaterialTypeDataTable = Dh.GetMaterialTypeDataTable ();
DataView MaterialTypenDataView = new DataView (MaterialTypeDataTable,
"ShowInInternetOrder > '00'", "ShowInInternetOrder", DataViewRowState.CurrentRows);
TableRow MaterialTableRow = new TableRow ();
MaterialTableRow.CssClass = "CSS_MaterialRow";
MaterialTable.Controls.Add (MaterialTableRow);
DataTable VideoFiles = Dh.GetFileDataTable ();
int NumberOfPresentedRows = 0;
int MaterialIndex = 0;
foreach (DataRow VideoFile in VideoFiles.Rows)
{
NumberOfPresentedRows += FillTheFileEntries (Dh, VideoFile, MaterialTypenDataView,
MaterialDataTable, MaterialTable, MaterialIndex,
VideoFiles.Rows.Count, "");
MaterialIndex++;
}
return NumberOfPresentedRows;
}
int FillTheFileEntries(DataHandling Dh, DataRow VideoFile, DataView MaterialTypenDataView,
DataTable MaterialDataTable, Table MaterialTable,
int MaterialIndex, int NumberOfVideoFiles, String BackGroundID)
{
int NumberOfPresentedFiles = 0;
int TypenIndex = 0;
while (TypenIndex < MaterialTypenDataView.Count)
{
DataRow TypenRow = MaterialTypenDataView[TypenIndex].Row;
TypenIndex++;
String TechnicalTyp = TypenRow["TechnicalTyp"].ToString();
DataRow[] ShowAbleFiles = MaterialDataTable.Select
("FileID = '" + VideoFile ["FileID"].ToString ()
+ "' and TechnicalTyp = '" + TechnicalTyp + "'");
if (ShowAbleFiles.Length == 0)
{
continue;
}
NumberOfPresentedFiles++;
}
if (NumberOfPresentedFiles == 0)
return NumberOfPresentedFiles;
TypenIndex = 0;
while (TypenIndex < MaterialTypenDataView.Count)
{
DataRow TypenRow = MaterialTypenDataView[TypenIndex].Row;
TypenIndex++;
String TechnicalTyp = TypenRow["TechnicalTyp"].ToString();
DataRow[] ShowAbleFiles = MaterialDataTable.Select
("FileID = '" + VideoFile["FileID"].ToString()
+ "' and TechnicalTyp = '" + TechnicalTyp + "'");
if (ShowAbleFiles.Length == 0)
{
continue;
}
if ((TechnicalTyp == "SCALAGeneration")
|| (TechnicalTyp == "BilderGalerie"))
{
//CreateSCALAGenerationEntry (ShowAbleFiles, MaterialTable.Controls);
CreateExternesProgrammGenerationEntry (ShowAbleFiles, MaterialTable.Controls);
continue;
}
if (TechnicalTyp == "ExternesProgramm")
{
CreateExternesProgrammGenerationEntry (ShowAbleFiles, MaterialTable.Controls);
continue;
}
TableRow MaterialRow = new TableRow ();
MaterialRow.CssClass = "CSS_MaterialRow";
MaterialTable.Controls.Add(MaterialRow);
if (TypenIndex == 1)
{
TableCell FileNameCell = new TableCell();
FileNameCell.CssClass = "CSS_FileNameCell";
MaterialRow.Controls.Add(FileNameCell);
if (NumberOfVideoFiles == 1)
FileNameCell.Text = "Das Video in folgenden Qualitäten";
else
{
FileNameCell.Text = "Das Video - Teil "
+ Convert.ToString(MaterialIndex + 1) + " in folgenden Qualitäten";
}
FileNameCell.RowSpan = NumberOfPresentedFiles;
}
TableCell MaterialFormatCell = new TableCell();
MaterialFormatCell.CssClass = "CSS_MaterialFormatCell";
MaterialRow.Controls.Add(MaterialFormatCell);
if (String.Compare(TypenRow ["StorageFormat"].ToString (), "*.wmv", true) == 0)
{
Image WindowsMediaPlayer = new Image();
WindowsMediaPlayer.ImageUrl = "WMV_Logo.png";
WindowsMediaPlayer.ToolTip = TypenRow ["TechnicalDescription"].ToString ();
MaterialFormatCell.Controls.Add(WindowsMediaPlayer);
}
else
{
MaterialFormatCell.Text = TypenRow["StorageFormat"].ToString();
}
TableCell MaterialNameCell = new TableCell();
MaterialNameCell.CssClass = "CSS_MaterialNameCell";
MaterialRow.Controls.Add(MaterialNameCell);
MaterialNameCell.Text = "<a href=\""
+ Request.Url + "&BeitragQuality=" + TechnicalTyp
+ "&FileIndex=" + Convert.ToString(MaterialIndex) + "\" target=\"_self\">"
+ TypenRow ["ReadableDescription"].ToString () + "</a>";
MaterialNameCell.ToolTip = TypenRow["TechnicalDescription"].ToString();
TableCell MaterialQualityCell = new TableCell();
MaterialQualityCell.CssClass = "CSS_MaterialQualityCell";
MaterialRow.Controls.Add(MaterialQualityCell);
MaterialQualityCell.Text = TechnicalTyp;
TableCell MaterialSizeCell = new TableCell();
MaterialSizeCell.CssClass = "CSS_MaterialSizeCell";
MaterialRow.Controls.Add(MaterialSizeCell);
MaterialSizeCell.Text = ShowAbleFiles [0] ["FileSizeInkB"].ToString () + "kB";
}
if (String.IsNullOrEmpty (BackGroundID) == false)
{
NumberOfPresentedFiles += CreateVideoPlusBackGroundProgrammGenerationEntry (BackGroundID, MaterialTable);
}
return NumberOfPresentedFiles;
}
void PerformBeitragSelected (String BeitragID)
{
Dh = new DataHandling ();
if (!Dh.SetBeitrag (BeitragID))
{
Label MessageLabel = new Label ();
this.LinkToVideosContentPlace.Controls.Add (MessageLabel);
MessageLabel.Text = "F�r die mitgegebene BeitragsID war kein Beitrag zu finden\r\n"
+ Dh.GetErrorMessage ();
MessageLabel.Width = Unit.Percentage (99);
return;
}
Table GlobalTable = new Table ();
GlobalTable.CssClass = "CSS_GlobalTable";
this.LinkToVideosContentPlace.Controls.Add (GlobalTable);
{
TableRow GlobalTableRow = new TableRow ();
GlobalTableRow.CssClass = "CSS_GlobalTableRow";
GlobalTable.Controls.Add (GlobalTableRow);
{
TableCell BeitragsPictureCell = new TableCell ();
GlobalTableRow.Controls.Add (BeitragsPictureCell);
BeitragsPictureCell.CssClass = "CSS_BeitragsPictureCell";
{
Image BeitragsImage = new Image ();
BeitragsPictureCell.Controls.Add (BeitragsImage);
String ApplPath = Server.MapPath ("~");
BeitragsImage.ImageUrl = String.Format
("GetThumbnailPicture.aspx?BeitragID={0}&Width=400", BeitragID);
}
TableCell BeitragsTextCell = new TableCell ();
GlobalTableRow.Controls.Add (BeitragsTextCell);
BeitragsTextCell.Attributes ["valign"] = "top";
BeitragsTextCell.CssClass = "CSS_BeitragsTextCell";
Table BeitragsTextTable = new Table ();
BeitragsTextTable.CssClass = "CSS_BeitragsTextTable";
BeitragsTextCell.Controls.Add (BeitragsTextTable);
{
TableRow BeitragsTitleTableRow = new TableRow ();
BeitragsTitleTableRow.CssClass = "CSS_BeitragsTitleTableRow";
BeitragsTextTable.Controls.Add (BeitragsTitleTableRow);
{
TableCell BeitragsTitleCell = new TableCell ();
BeitragsTitleTableRow.Controls.Add (BeitragsTitleCell);
BeitragsTitleCell.CssClass = "CSS_BeitragsTitleCell";
BeitragsTitleCell.Text = Dh.GetTitle ();
}
}
{
TableRow BeitragsShortDescTableRow = new TableRow ();
BeitragsShortDescTableRow.CssClass = "CSS_BeitragsShortDescTableRow";
BeitragsTextTable.Controls.Add (BeitragsShortDescTableRow);
{
TableCell BeitragsShortDescCell = new TableCell ();
BeitragsShortDescTableRow.Controls.Add (BeitragsShortDescCell);
BeitragsShortDescCell.CssClass = "CSS_BeitragsShortDescCell";
BeitragsShortDescCell.Text = Dh.GetShortDescription ();
}
}
{
TableRow BeitragsLongDescTableRow = new TableRow ();
BeitragsLongDescTableRow.CssClass = "CSS_BeitragsLongDescTableRow";
BeitragsTextTable.Controls.Add (BeitragsLongDescTableRow);
{
TableCell BeitragsLongDescCell = new TableCell ();
BeitragsLongDescTableRow.Controls.Add (BeitragsLongDescCell);
BeitragsLongDescCell.CssClass = "CSS_BeitragsLongDescCell";
BeitragsLongDescCell.Text = Dh.GetLongDescription ();
}
}
{
TableRow BeitragsAdditionalTableRow = new TableRow ();
BeitragsAdditionalTableRow.CssClass = "CSS_BeitragsAdditionalTableRow";
BeitragsTextTable.Controls.Add (BeitragsAdditionalTableRow);
{
TableCell BeitragsAdditionalCell = new TableCell ();
BeitragsAdditionalTableRow.Controls.Add (BeitragsAdditionalCell);
BeitragsAdditionalCell.CssClass = "CSS_BeitragsAdditionalCell";
BeitragsAdditionalCell.Text = "Beitrag von: " + Dh.GetAuthor () + "<br>\r\n"
+ "Länge: " + Dh.GetDurationString () + "\r\n";
}
}
}
}
{
TableRow MaterialTableRow = new TableRow ();
MaterialTableRow.CssClass = "CSS_GlobalTableRow";
GlobalTable.Controls.Add (MaterialTableRow);
TableCell MaterialTableCell = new TableCell ();
MaterialTableCell.CssClass = "CSS_MaterialTableCell";
MaterialTableCell.Attributes ["colspan"] = "2";
MaterialTableRow.Controls.Add (MaterialTableCell);
DataTable MaterialDataTable = Dh.GetMaterialDataTable ();
DataTable MaterialTypeDataTable = Dh.GetMaterialTypeDataTable();
DataView MaterialTypenDataView = new DataView(MaterialTypeDataTable,
"ShowInInternetOrder > '00'", "ShowInInternetOrder", DataViewRowState.CurrentRows);
Table MaterialTable = new Table();
MaterialTable.CssClass = "CSS_MaterialTable";
MaterialTableCell.Controls.Add(MaterialTable);
DataTable VideoFiles = Dh.GetFileDataTable ();
int NumberOfPresentedRows = 0;
int MaterialIndex = 0;
String BackGroundID = Dh.GetBackGroundBeitragID ();
foreach (DataRow VideoFile in VideoFiles.Rows)
{
NumberOfPresentedRows += FillTheFileEntries(Dh, VideoFile, MaterialTypenDataView,
MaterialDataTable, MaterialTable, MaterialIndex,
VideoFiles.Rows.Count, BackGroundID);
MaterialIndex++;
}
if (NumberOfPresentedRows == 0)
{
Label NoMaterialMessage = new Label();
NoMaterialMessage.CssClass = "CSS_NoMaterialMessage";
MaterialTableCell.Controls.Add(NoMaterialMessage);
NoMaterialMessage.Text = "F�r diesen Beitrag sind im Internet keine VideoTeile verf�gbar";
}
}
}
void PerformDirectLink (String BeitragID, String BeitragQuality, int FileIndex)
{
Dh = new DataHandling ();
if (!Dh.SetBeitrag (BeitragID))
{
Label MessageLabel = new Label ();
this.LinkToVideosContentPlace.Controls.Add (MessageLabel);
MessageLabel.Text = "F�r die mitgegebene BeitragsID war kein Beitrag zu finden\r\n"
+ Dh.GetErrorMessage ();
MessageLabel.Width = Unit.Percentage (99);
return;
}
DataTable VideoFilesDataTable = Dh.GetFileDataTable ();
if (FileIndex >= VideoFilesDataTable.Rows.Count)
return;
DataRow FileEntry = VideoFilesDataTable.Rows[FileIndex];
DataTable MaterialDataTable = Dh.GetMaterialDataTable();
DataRow[] ShowAbleFiles = MaterialDataTable.Select
("FileID = '" + FileEntry["FileID"].ToString()
+ "' and TechnicalTyp = '" + BeitragQuality + "'");
if (ShowAbleFiles.Length == 0)
FillForIlegalUse();
//if (BeitragQuality == "ExternesProgramm")
// {
// String ResponsePath = GetExternesProgrammMaterial (ShowAbleFiles [0] ["SubPathAndName"].ToString ());
// }
Response.Redirect (CVM.CommonValues.WEB_ROOT_SITE + "BeitragsMaterial/"
+ ShowAbleFiles [0] ["SubPathAndName"].ToString ());
return;
}
void PerformShowProgramm (String SenderNameID)
{
Dh = new DataHandling ();
//XmlDocument XmlSchema = Dh.GetSenderProgrammDescription (SenderNameID);
Label HeadLineLabel = new Label ();
this.LinkToVideosContentPlace.Controls.Add (HeadLineLabel);
String SenderName = Dh.GetXSenderName ();
String SenderEMail = Dh.GetXSenderEMail ();
String SenderHomePage = Dh.GetXSenderHomePage ();
String SenderImmediateRemark = Dh.GetXSenderImmediateRemark ();
String SenderHomePageEntry = "<a href=\"" + SenderHomePage + "\">zur " + SenderName + " Homepage - </a>";
String SenderImmediateRemarkElement = "";
if (SenderImmediateRemark != "")
{
SenderImmediateRemarkElement = "<p align=\"center\"><b><font size=\"2\" color=\"#0080C0\">"
+ SenderImmediateRemark + "</font></b></p>\r\n";
}
String AktualisierungsZeit = "<font size=\"1\" color=\"#0080C0\"> (per "
+ DateTime.Now.ToShortDateString () + " "
+ DateTime.Now.ToShortTimeString () + ")</font>";
String HeadLine = "Das aktuelle " + SenderName + "-Programm";
String WPTVeMail = "<a href=\"mailto:" + SenderEMail + "\">eMail an " + SenderName + "</a>";
HeadLineLabel.Text = "<a Name=\"TopPosition\"> </a>\r\n"
+ "<p align=\"center\"><b><font size=\"4\" color=\"#0080C0\">"
+ HeadLine + "</font>"
+ AktualisierungsZeit + "</b></p>\r\n"
+ "<p align=\"center\"><b><font size=\"2\" >"
+ SenderHomePageEntry + WPTVeMail + "</font> </b></p>\r\n"
+ SenderImmediateRemarkElement +
CVM.CommonValues.ORDER_MESSAGE;
HeadLineLabel.Width = Unit.Percentage (99);
CreateBeitraege Formatieren = new CreateBeitraege ();
Formatieren.SetData (this.LinkToVideosContentPlace, Dh);
}
void PerformShowSelectionFull (String [] Selectionen, DateTime FromDate,
DateTime ToDate, int StartingIndex)
{
Dh = new DataHandling ();
CreateSelectionTree (Dh);
int NumberOfUnifiedEntries = Dh.LoadSelections (Selectionen, 100, FromDate, ToDate, "Full");
if (NumberOfUnifiedEntries == 0)
{
return;
}
int NumberOfPages = 5;
int NumberOfEntriesPerPage = NumberOfUnifiedEntries / NumberOfPages;
while ((NumberOfEntriesPerPage < 15)
&& (NumberOfPages > 1))
{
NumberOfPages--;
NumberOfEntriesPerPage = NumberOfUnifiedEntries / NumberOfPages;
}
int [] TableForEntriesPerPage = new int [NumberOfPages];
String [] ReturnDates = new String [NumberOfPages];
int Reminder = NumberOfUnifiedEntries - (NumberOfEntriesPerPage * NumberOfPages);
int AddOnPerPage = Reminder / NumberOfPages;
int RunningLastDateIndex = 0;
int Index = 0;
while (Index < NumberOfPages)
{
if (Reminder > AddOnPerPage)
TableForEntriesPerPage [Index] = NumberOfEntriesPerPage + AddOnPerPage;
else
TableForEntriesPerPage [Index] = NumberOfEntriesPerPage + Reminder;
Reminder -= AddOnPerPage;
ReturnDates [Index] = Dh.GetFromDate (RunningLastDateIndex);
RunningLastDateIndex += TableForEntriesPerPage [Index];
Index++;
}
if (Index == 0)
return;
String PagingMessage = "";
if (TableForEntriesPerPage.Length > 1)
PagingMessage = CreatePagingMessage (ReturnDates, FromDate,
Dh.MoreEntriesAvailable (), false, StartingIndex);
Label FollowUpStartLabel = new Label ();
this.LinkToVideosContentPlace.Controls.Add (FollowUpStartLabel);
FollowUpStartLabel.Text = PagingMessage;
FollowUpStartLabel.Width = Unit.Percentage (99);
FollowUpStartLabel.CssClass = "CSS_FollowUpLabel";
InternetTV.CreateBeitragCover Formatieren = new InternetTV.CreateBeitragCover ();
Formatieren.SetData (this.LinkToVideosContentPlace, Dh, TableForEntriesPerPage [0]);
Formatieren.Create (CreateBeitragCover.FormatingStyle.ARCHIV);
Label FollowUpLabel = new Label ();
this.LinkToVideosContentPlace.Controls.Add (FollowUpLabel);
FollowUpLabel.Text = PagingMessage;
FollowUpLabel.Width = Unit.Percentage (99);
FollowUpLabel.CssClass = "CSS_FollowUpLabel";
}
void PerformShowSelectionGrid (String [] Selectionen, DateTime FromDate,
DateTime ToDate, int StartingIndex)
{
Dh = new DataHandling ();
CreateSelectionTree (Dh);
int NumberOfUnifiedEntries = Dh.LoadSelections (Selectionen, 0, FromDate, ToDate, "Grid");
if (NumberOfUnifiedEntries == 0)
{
return;
}
DataGrid BeitraegeGrid = new DataGrid ();
this.LinkToVideosContentPlace.Controls.Add (BeitraegeGrid);
BeitraegeGrid.Width = Unit.Percentage (99);
BeitraegeGrid.CssClass = "CSS_BeitraegeGrid";
BeitraegeGrid.AutoGenerateColumns = true;
//BeitraegeGrid.AllowPaging = true;
BeitraegeGrid.AllowSorting = true;
DataTable BeitraegeTable = Dh.GetBeitraegeAusArchiv ();
BeitraegeGrid.DataSource = BeitraegeTable;
BeitraegeGrid.DataBind ();
}
void CreateSelectionTree (DataHandling Dh)
{
DataTable ZuordnungenUndDerenHaeufigkeit = Dh.GetZuordnungenUndDerenHaeufigkeit ();
Label SelectedIs = new Label ();
SelectedIs.CssClass = "CSS_SelectionLabel";
SelectedIs.Text = Session ["Selection"].ToString ();
this.SelectionContentPlace.Controls.Add (SelectedIs);
Label DateFromLabel = new Label ();
DateFromLabel.CssClass = "CSS_SelectionLabel";
String Von = Session ["PrimaryFromDate"].ToString ().Substring (0, 10);
if (Von == "01.01.0001")
Von = "Beginn an";
DateFromLabel.Text = "<br>Zeit von: " + Von;
this.SelectionContentPlace.Controls.Add (DateFromLabel);
Label DateToLabel = new Label ();
DateToLabel.CssClass = "CSS_SelectionLabel";
DateToLabel.Text = "<br>Zeit bis: " + Session ["PrimaryToDate"].ToString ().Substring (0, 10);
this.SelectionContentPlace.Controls.Add (DateToLabel);
TreeView AuswahlTree = new TreeView ();
AuswahlTree.CssClass = "CSS_AuswahlTree";
this.SelectionContentPlace.Controls.Add (AuswahlTree);
foreach (DataRow Entry in ZuordnungenUndDerenHaeufigkeit.Rows)
{
TreeNode Node = new TreeNode (Entry ["Name"].ToString ()
+ " (" + Convert.ToString (Entry ["AnzahlDerEintraege"]) + ")", "", "",
"Default.aspx?Selection=" + Entry ["Name"].ToString (), "_self");
AuswahlTree.Nodes.Add (Node);
}
AuswahlTree.Nodes.Add (new TreeNode ("Alle", "", "",
"Default.aspx?Selection=All", "_self"));
}
public void SetData (System.Web.UI.WebControls.PlaceHolder Anchor, DataHandling DhExisting)
{
}
double CalculateLengthOfProgrammAnnouncement (DataHandling.OptionsType Type)
{
if (!m_DataHandling.IsOptionSet (Type))
return 0;
switch (Type)
{
case DataHandling.OptionsType.ShortAsPreText:
return 8;
case DataHandling.OptionsType.ShortAsPostText:
return 10;
case DataHandling.OptionsType.LongAsPreText:
return 18;
case DataHandling.OptionsType.LongAsPostText:
return 20;
}
return 0;
}
public bool SetData (String ManagedProgrammDataFileName)
{
m_CVM = new CommonValues();
m_ManagedProgrammDataFileName = ManagedProgrammDataFileName;
m_ManagedProgrammData = WMB.Basics.DeSerializeObjectFromFile
(m_ManagedProgrammDataFileName) as ManagedProgrammData;
if (m_ManagedProgrammData == null)
{
WMB.Basics.ReportErrorToEventViewer ("HTMLCreator.SetData",
"Aus dem File \"" + m_ManagedProgrammDataFileName
+ "\" konnte kein \"ManagedProgrammManagement\" Element erzeugt werden");
return false;
}
m_HTMLDirectory = Path.Combine(System.IO.Path.GetDirectoryName (System.IO.Path.GetDirectoryName (ManagedProgrammDataFileName)),
CVM.CommonValues.SENDER_SUB_PATH_HTML_PROGRAMM);
//m_HTMLDirectory = Path.Combine (m_HTMLDirectory, "NewVersion");
if (!Directory.Exists (m_HTMLDirectory))
Directory.CreateDirectory (m_HTMLDirectory);
m_HTMLFileNameToCreate = Path.Combine (m_HTMLDirectory, HTML_PROGRAMM_SCHEMA_NAME);
m_DataHandling = new DataHandling ();
return true;
}