// private ITemplate m_Controls;
#endregion
#region Data handling
/// <summary>
/// Validates this instance.
/// </summary>
/// <returns></returns>
public override bool Validate(RowCell cell)
{
if (DenyValidate())
return true;
const bool res = true;
return res;
}
// 2004.10.27, jorn - Added this, because bits must always be updated. Stupid HTML!
internal override void OnUpdateInsert(CellUpdateInsertArgument ea, RowCell cell)
{
ea.AddApostrophe = false;
ea.IgnoreChanges = false;
}
private void OnUpdateInsertDataSource(CellUpdateInsertArgument ea,RowCell cell)
{
if (!Grid.GotHttpContext)
return;
if (HttpContext.Current.Session[cell.CellClientId + "_imgdata"] == null)
{
ea.IgnoreChanges = true;
return;
}
BinaryReader br;
switch (FileTemporaryMode)
{
case FileTemporaryMode.Memory:
System.Drawing.Image img = (System.Drawing.Image)HttpContext.Current.Session[cell.CellClientId + "_imgdata"];
//if (Sizes.Count > 0)
// img = Sizes[0].Resize(img);
MemoryStream ms = new MemoryStream();
img.Save(ms, img.RawFormat);
br = new BinaryReader(ms);
br.BaseStream.Position = 0;
ea.Parameter = br;
ea.IgnoreChanges = false;
break;
case FileTemporaryMode.File:
{
FileStream fs =
System.IO.File.Open((string)HttpContext.Current.Session[cell.CellClientId + "_imgdata"],
FileMode.Open, FileAccess.Read, FileShare.Read);
br = new BinaryReader(fs);
fs.Close();
br.BaseStream.Position = 0;
ea.Parameter = br;
ea.IgnoreChanges = false;
}
break;
}
}
private static void DeleteSession(RowCell cell)
{
if (!Grid.GotHttpContext)
return;
HttpContext.Current.Session.Remove(cell.CellClientId + "_img");
HttpContext.Current.Session.Remove(cell.CellClientId + "_imgdata");
}
internal bool ValidateFile(RowCell cell)
{
return !string.IsNullOrEmpty(FileName(cell));
}
internal override void RenderEditView(WebGridHtmlWriter writer,RowCell cell)
{
if (AllowEdit == false || (Grid.DisplayView == DisplayView.Grid && AllowEditInGrid == false) ||
!Grid.GotHttpContext)
{
RenderLabelView(writer,cell);
return;
}
StringBuilder s = new StringBuilder(string.Empty);
StringBuilder javascript = new StringBuilder(string.Empty);
s.Append(FileSource(false,cell));
StringBuilder onblur = new StringBuilder(" onblur=\"");
if (Grid.InputHighLight != Color.Empty)
{
javascript.AppendFormat(
" onfocus=\"accessKey = style.backgroundColor;style.backgroundColor='{0}';\"",
Grid.ColorToHtml(Grid.InputHighLight));
onblur.Append("style.backgroundColor=accessKey;");
}
if (Grid.ColumnChangedColour != Color.Empty)
{
onblur.AppendFormat("isChanged(this,'{0}');", Grid.ColorToHtml(Grid.ColumnChangedColour));
}
onblur.Append("\"");
javascript.Append(onblur);
s.AppendFormat("<br/><input {0} {2} type=\"file\" class=\"wgeditfield\" name=\"{1}\" id=\"{1}\"/>",
javascript, cell.CellClientId, Attributes);
if (AllowEmpty && Required == false && Grid.InternalId != null && ((cell.Value != null)
||
(FileNameColumn != null &&
cell.Value != null)))
s.AppendFormat(
"<br/><input class=\"wglinkfield\" name=\"{0}_delete\" id=\"{0}_delete\" value=\"TRUE\" type=\"checkbox\" /><label class=\"wgnowrap wglabel\" id=\"label_{0}\" for=\"{0}_delete\">{1}</label>",
cell.CellClientId,
Grid.GetSystemMessage("RemoveImage"));
if (Grid.FindForm != null)
{
if (Grid.EnableCallBack)
{
if (Grid.FindForm.Enctype.Equals("multipart/form-data", StringComparison.OrdinalIgnoreCase) ==
false)
Manager.AddScriptForClientSideEval(string.Format("document.getElementById(\"{0}\").encoding = \"multipart/form-data\";", Grid.FindForm.ClientID));
}
else
Grid.FindForm.Enctype = "multipart/form-data";
}
else
throw new GridException(
string.Format("HtmlForm is not found for grid '{0}' and column '{1}'", Grid.ID, ColumnId));
if (string.IsNullOrEmpty(ToolTipInput) == false)
s = new StringBuilder(Tooltip.Add(s.ToString(), ToolTipInput));
EditHtml(s.ToString(), writer,cell);
}
internal override void GetColumnPostBackData(RowCell cell)
{
if (cell.GotPostBackData || !Grid.GotHttpContext)
return;
// Gets the posted file and saves it to a temporary image.
// Updates views tate saying that the file needs to be renamed
using (HtmlInputFile f = new HtmlInputFile())
{
f.ID = cell.CellClientId;
if (f.PostedFile == null || f.PostedFile.FileName.Length == 0) return;
if (AllowExtension(f.PostedFile.FileName) == false)
{
Grid.SystemMessage.Add("You are not allowed to upload files of this type.",
SystemMessageStyle, cell.Row.GetColumnInitKeys(ColumnId));
return;
}
string fileName = Path.GetFileName(f.PostedFile.FileName);
// We must set the filename column before we do any stuff
if (FileNameColumn != null)
cell.Row[FileNameColumn].Value = fileName;
if (FileTemporaryMode == FileTemporaryMode.File)
{
string tempFile = Path.GetTempFileName();
f.PostedFile.SaveAs(tempFile);
if (SaveSession(fileName, tempFile,cell) == false)
return;
}
else if (SaveSession(fileName, f.PostedFile.InputStream,cell) == false)
return;
cell.Value = fileName;
cell.GotPostBackData = true;
}
}
internal override void AfterUpdate(string editIndex,RowCell cell)
{
string uniqueID = cell.CellClientId;
// Renames file
if (!Grid.GotHttpContext ||
HttpContext.Current.Session[string.Format("{0}_imgdata", uniqueID)] == null)
return;
string filename = (FileNameOption == FileNameOption.Original)
? HttpContext.Current.Session[uniqueID + "_img"] as string
:
string.Format("{0}_{1}.{2}", editIndex, ColumnId, GetExtension((string)HttpContext.Current.Session[uniqueID + "_img"]));
System.Drawing.Image img = CreateImageSizes(filename,cell);
if (IsBlob || (IsBlob && FileNameOption != FileNameOption.UsePrimaryKey && ColumnId != FileNameColumn))
{
DeleteSession(cell);
return;
}
try
{
System.IO.File.Delete(AbsoluteDirectory + filename);
}
catch (Exception ee)
{
Grid.SystemMessage.Add(string.Format("Warning: Failed to delete existing file '{0}'. Turn on debug for more information.", HttpContext.Current.Session[uniqueID + "_img"]));
if (Grid.Debug)
Grid.m_DebugString.Append(ee);
}
try
{
img.Save(AbsoluteDirectory + filename, img.RawFormat);
}
catch (Exception ee)
{
Grid.SystemMessage.Add(
"Warning: Failed saving file to disk. Turn on debug for more information.");
if (Grid.Debug)
Grid.m_DebugString.Append(ee);
}
//}
img.Dispose();
if (Grid.GotHttpContext &&
HttpContext.Current.Session[uniqueID + "_imgdata"] is Image)
((Image)HttpContext.Current.Session[uniqueID + "_imgdata"]).Dispose();
if (Grid.GotHttpContext &&
HttpContext.Current.Session[uniqueID + "_imgdata"] is Stream)
((Stream)HttpContext.Current.Session[uniqueID + "_imgdata"]).Close();
DeleteSession(cell);
}
internal override void RenderLabelView(WebGridHtmlWriter writer, RowCell cell)
{
if (cell.Value != null && Visibility != Visibility.None)
writer.Write(RenderTemplate(cell));
}
private void ApplyInternalValues(RowCell cell, Control ctrl)
{
foreach (Control control in ctrl.Controls)
{
if (control is LiteralControl == false)
continue;
LiteralControl ctr = control as LiteralControl;
if (ctr == null)
continue;
string innerhtml = ctr.Text;
if (!string.IsNullOrEmpty(innerhtml) &&
innerhtml.IndexOf(string.Format("[{0}]", ColumnId),
StringComparison.OrdinalIgnoreCase) != -1)
throw new GridException(
string.Format("The template '{0}' can't contain reference to itself.",
ColumnId));
if (string.IsNullOrEmpty(innerhtml) || !innerhtml.Contains("["))
continue;
string content = innerhtml;
cell.Row.Columns.ForEach(delegate(Column column)
{
if (
content.IndexOf(string.Format("[{0}]", column.ColumnId),
StringComparison.OrdinalIgnoreCase) == -1)
return;
WebGridHtmlWriter writer = new WebGridHtmlWriter(Grid);
Visibility columnvisibility = column.Visibility;
column.Visibility = Visibility;
column.SystemMessageStyle = SystemMessageStyle.WebGrid;
if (Grid.Trace.IsTracing)
Grid.Trace.Trace(
"Rendering ColumnName: {0} in column: {1}",
column.ColumnId, ColumnId);
column.RenderEditView(writer, cell.Row.Cells[column.ColumnId]);
column.Visibility = columnvisibility;
if (column.AllowEdit)
writer.Write(
"<input type=\"hidden\" value=\"validate\" name=\"{0}_{1}_validate\" />",
Grid.ClientID, column.ColumnId);
content = content.Replace(string.Format("[{0}]", column.ColumnId),
writer.ToString());
});
((LiteralControl)control).Text = content;
}
}
internal Control RenderTemplate(RowCell cell)
{
if (cell.Value != null)
{
Control ctrl = cell.Value as Control;
if (ctrl != null)
{
ctrl.Visible = true;
ApplyInternalValues(cell, ctrl);
return ctrl;
}
string isindb = string.Empty;
if (IsInDataSource)
isindb = " The value provided was loaded from your data source. You can disable data source load for this column by 'IsInDataSource=false'";
throw new GridException(string.Format("ColumnTemplate '{0}' requires a Cell.Value of type 'System.Web.UI.Control'. '{1}' type was provided." + isindb, ColumnId, cell.Value.GetType()));
}
return null;
}
internal new virtual bool Value(RowCell cell)
{
LoadValueFromColumnDataSource(cell);
if (cell.Value == null)
return false;
if (cell.Value is bool)
return (bool)cell.Value;
bool result;
if (bool.TryParse(Regex.Replace(cell.Value.ToString(), @"\s", string.Empty), out result))
return (bool)(cell.Value = result);
return false;
}
internal override void RenderLabelView(WebGridHtmlWriter writer, RowCell cell)
{
m_IsFormElement = false;
RenderDetail(false, writer, cell);
}
internal override void RenderEditView(WebGridHtmlWriter writer, RowCell cell)
{
if (AllowEdit == false)
{
RenderLabelView(writer, cell);
return;
}
m_IsFormElement = false;
RenderDetail(true, writer, cell);
}
// 2005.01.09 - jorn - String.Compare, string.Length
// 2005.01.05 - Jorn - Added check to see if there actually is a checkbox on "previous page".
// Need to add a hidden field since checkbox "returns null" both for unchecked and non-existing
internal void RenderDetail(bool enabled, WebGridHtmlWriter writer, RowCell cell)
{
if (AllowEdit == false || (Grid.DisplayView == DisplayView.Grid && AllowEditInGrid == false))
enabled = false;
string uniqueId = cell.CellClientId;
string strValue = DisplayText(cell);
const string checkedValue = TrueValue;
const string uncheckedValue = FalseValue;
StringBuilder sb;
if (String.Compare(strValue, checkedValue, true) == 0 && CheckedAlias != null && enabled == false)
sb = new StringBuilder(CheckedAlias);
else if (String.Compare(strValue, uncheckedValue, true) == 0 && UncheckedAlias != null &&
enabled == false)
sb = new StringBuilder(UncheckedAlias);
else
{
string bitchecked = string.Empty;
string bitEnabled = string.Empty;
if (String.Compare(strValue, checkedValue, true) == 0)
bitchecked = " checked=\"checked\"";
if (enabled == false)
bitEnabled = " disabled=\"disabled\"";
StringBuilder javascript = new StringBuilder(string.Empty);
StringBuilder onblur = new StringBuilder(" onblur=\"");
if (Grid.InputHighLight != Color.Empty)
{
javascript.AppendFormat(
" onfocus=\"this.accessKey = this.style.backgroundColor;this.style.backgroundColor='{0}';\"",
Grid.ColorToHtml(Grid.InputHighLight));
onblur.Append("this.style.backgroundColor=this.accessKey;");
}
if (Grid.ColumnChangedColour != Color.Empty)
{
onblur.AppendFormat("isChanged(this,'{0}');", Grid.ColorToHtml(Grid.ColumnChangedColour));
}
onblur.Append("\"");
if (AutoPostback || string.IsNullOrEmpty(ConfirmMessage) == false)
{
StringBuilder eventScript = new StringBuilder(" onclick=\"");
if (string.IsNullOrEmpty(ConfirmMessage) == false)
eventScript.AppendFormat(" if(wgconfirm('{0}',this,'{1}')) ", ConfirmMessage.Replace("'", "\\'"), Grid.DialogTitle.Replace("'", "\\'"));
string link = Grid.EnableCallBack && !ForcePostBack ? Asynchronous.GetCallbackEventReference(Grid,
string.Format("ElementPostBack!{0}!{1}",
ColumnId, cell.Row.PrimaryKeyValues), false,
string.Empty, string.Empty) : Grid.Page.ClientScript.GetPostBackEventReference(Grid,
string.Format(
"ElementPostBack!{0}!{1}", ColumnId, cell.Row.PrimaryKeyValues));
eventScript.AppendFormat("{0}\"", link);
javascript.Append(eventScript);
}
javascript.Append(onblur);
sb =
new StringBuilder(
string.Format(
"<input {0} type=\"checkbox\" {1} {2} {4} id=\"cb_{3}\" name=\"{3}\" value=\"1\"/>",
javascript, bitchecked, bitEnabled, uniqueId, Attributes));
if (string.IsNullOrEmpty(m_Displaylabel) == false)
sb.AppendFormat(
"<label class=\"wglabel\" id=\"label_{0}\" for=\"cb_{0}\">{1}</label>", uniqueId, m_Displaylabel);
if (enabled)
writer.Write("<input type=\"hidden\" id=\"{0}_cb\" name=\"{0}_cb\" value=\"{1}\" />",
uniqueId, checkedValue);
}
if (string.IsNullOrEmpty(ToolTipInput) == false)
sb = new StringBuilder(Tooltip.Add(sb.ToString(), ToolTipInput));
EditHtml(sb.ToString(), writer, cell);
}
public string GetUrl(RowCell cell)
{
return FileSource(true,cell);
}
/// <summary>
/// Validates this instance.
/// </summary>
/// <returns></returns>
public override bool Validate(RowCell cell)
{
bool res = base.Validate(cell);
return res;
}
internal override void GetColumnPostBackData(RowCell cell)
{
return;
}
// 2005.01.09 - jorn, string optimize
internal string FileSource(bool onlyParameters,RowCell cell)
{
bool isNewRecord = String.Compare(cell.Row.PrimaryKeyValues, Grid.EMPTYSTRINGCONSTANT, false) == 0;
StringBuilder s = new StringBuilder(string.Empty);
if (IsBlob)
{
if (isNewRecord)
return String.Empty;
// if (Value == null && string.IsNullOrEmpty(FileName))
// return String.Empty;
s.AppendFormat(
!DisplayFileNameOnly
? "<img alt=\"{0}\" border=\"0\" class=\"wgimage\" src=\""
: "<a alt=\"{0}\" target=\"gridfile\" href=\"", Title);
if (onlyParameters)
s = new StringBuilder(string.Empty);
if (Grid.GotHttpContext && HttpContext.Current.Request["QUERY_STRING"] != null)
{
s.AppendFormat("?{0}", HttpContext.Current.Request["QUERY_STRING"]);
s.AppendFormat("&wgdbimgdl=false");
}
else
s.AppendFormat("?wgdbimgdl=false");
s.AppendFormat(
"&wgblob=true&wgfilenameoption={0}&wgfilename={1}&wgdbimgeditorid={2}&wgdbimgimageid={3}&wgdbimgcolumnname={4}",
(int)FileNameOption, HttpUtility.UrlEncode(FileName(cell), Encoding.Default),
HttpUtility.UrlEncode(Grid.ClientID, Encoding.Default),
HttpUtility.UrlEncode(cell.Row.PrimaryKeyValues, Encoding.Default),
HttpUtility.UrlEncode(ColumnId, Encoding.Default));
if (onlyParameters)
return s.ToString();
s.Append("\"");
if (!ValidateFile(cell))
{
if (WidthEditableColumn != Unit.Empty)
s.AppendFormat(" width=\"{0}\"", WidthEditableColumn);
if (HeightEditableColumn != Unit.Empty)
s.AppendFormat(" height=\"{0}\"", HeightEditableColumn);
}
s.Append(" />");
if (DisplayFileNameOnly)
{
string systemMessage = Grid.GetSystemMessage("Attachment");
string fil;
if (FileNameColumn != null && cell.Row[FileNameColumn].Value != null)
fil = cell.Row[FileNameColumn].Value.ToString();
else
fil = FileName(cell);
if (!string.IsNullOrEmpty(systemMessage))
fil = String.Format("{1} ({0})", fil, systemMessage);
s.AppendFormat("{0}</a>", fil);
}
}
else
{
if (isNewRecord)
return String.Empty;
if (IsInDataSource)
if (Value(cell) == null)
return String.Empty;
else if (string.IsNullOrEmpty(FileName(cell)))
return String.Empty;
s.AppendFormat(
!DisplayFileNameOnly
? "<img alt=\"{0}\" title=\"{0}\" border=\"0\" class=\"wgimage\" src=\""
: "<a alt=\"{0}\" title=\"{0}\" target=\"gridfile\" href=\"", Title);
if (onlyParameters)
s = new StringBuilder(string.Empty);
s.AppendFormat("{0}{1}", Directory, GetStoredfileName(cell));
if (onlyParameters)
return s.ToString();
s.Append("\"");
if (!ValidateFile(cell))
{
if (WidthEditableColumn != Unit.Empty)
s.AppendFormat(" width=\"{0}\"", WidthEditableColumn);
if (HeightEditableColumn != Unit.Empty)
s.AppendFormat(" height=\"{0}\"", HeightEditableColumn);
}
s.Append(" />");
if (DisplayFileNameOnly)
{
string systemMessage = Grid.GetSystemMessage("Attachment");
string fil;
if (FileNameColumn != null && cell.Row[FileNameColumn].Value != null)
fil = cell.Row[FileNameColumn].Value.ToString();
else
fil = FileName(cell);
if (!string.IsNullOrEmpty(systemMessage))
fil = String.Format("{1} ({0})", fil, systemMessage);
s.AppendFormat("{0}</a>", fil);
}
}
return s.ToString();
}
internal override void OnUpdateInsert(CellUpdateInsertArgument ea, RowCell cell)
{
return;
}
internal override void OnUpdateInsert(CellUpdateInsertArgument ea, RowCell cell)
{
if (!Grid.GotHttpContext || HttpContext.Current.Session == null)
return;
if (IsBlob == false && System.IO.Directory.Exists(AbsoluteDirectory) == false)
throw new GridException(
string.Format("Upload directory for '{0}' does not exist ({1})", Title,
AbsoluteDirectory));
// Should we remove the file in DB?
string strDelete = HttpContext.Current.Request[cell.CellClientId + "_delete"];
if (strDelete != null && String.Compare(strDelete, "TRUE") == 0)
{
if (IsBlob == false)
{
string filename;
if (FileNameOption == FileNameOption.UsePrimaryKey)
filename =
string.Format("{0}{1}_{2}.{3}", AbsoluteDirectory, cell.Row.PrimaryKeyUpdateValues,
ColumnId, GetExtension(Value(cell)));
else
filename = AbsoluteDirectory + Value(cell);
if (System.IO.File.Exists(filename))
{
try
{
System.IO.File.Delete(filename);
}
catch (Exception ee)
{
Grid.SystemMessage.Add(
string.Format("Warning: failed to remove file associated with column '{0}'", Title));
if (Grid.Debug)
Grid.m_DebugString.Append(ee.Message);
}
}
if (FileNameColumn == ColumnId)
{
cell.Value = null;
cell.PostBackValue = null;
}
}
ea.IgnoreChanges = false;
// ea.Value = Grid.NULLCONSTANT;
ea.AddApostrophe = false;
if (FileNameColumn != null && FileNameColumn != ColumnId)
cell.Row[FileNameColumn].Value = null;
// TODO: Should delete old image if not blob.
return;
}
ea.IgnoreChanges = true;
if (!Grid.GotHttpContext || HttpContext.Current.Session[cell.CellClientId + "_img"] == null)
// No image!
return;
if (IsBlob)
{
OnUpdateInsertDataSource(ea,cell);
return;
}
ea.Parameter = null;
ea.IgnoreChanges = false;
ea.Value = HttpContext.Current.Session[cell.CellClientId + "_img"].ToString();
}
private bool SaveSession(string fileName, string tempFile,RowCell cell)
{
if (!Grid.GotHttpContext)
return false;
HttpContext.Current.Session[cell.CellClientId + "_img"] = fileName;
try
{
System.Drawing.Image.FromFile(tempFile);
}
catch
{
Grid.SystemMessage.Add(
string.Format("{0} is not a valid image file, '{1}' requires a valid image file.", fileName,
Title),
SystemMessageStyle, cell.Row.GetColumnInitKeys(ColumnId));
return false;
}
HttpContext.Current.Session[cell.CellClientId + "_imgdata"] = tempFile;
return true;
}
internal override void RenderLabelView(WebGridHtmlWriter writer,RowCell cell)
{
string image = FileSource(true,cell);
if (!string.IsNullOrEmpty(PopupImageColumn))
{
if (!cell.Row.Columns.Contains(PopupImageColumn))
throw new ApplicationException(
string.Format(@"""PopupImageColumn"" property value for column '{0}' is not valid.", Title));
string rel = "";
if (m_PopupImageDisplayType == ImageDisplayType.Navigation || m_PopupImageDisplayType == ImageDisplayType.NavigationSlideShow)
rel = string.Format("rel=\"{0}_{1}\"", Grid.ClientID, ColumnId);
image =
string.Format(@"<a href=""{1}"" title=""{3}"" {4} class=""wgimage_{5}""><img class=""wgimage"" src=""{0}"" alt=""{2}""/></a>",
image, ((Image)cell.Row.Columns[PopupImageColumn]).GetUrl(cell.Row[PopupImageColumn]), Title, PopupImageCaption, rel, ColumnId);
switch (PopupImageDisplayType)
{
case ImageDisplayType.Navigation:
Grid.AddClientScript(writer, string.Format("$(\"a[rel='{0}_{1}']\").colorbox({{slideshow:false}});", Grid.ClientID, ColumnId));
break;
case ImageDisplayType.NavigationSlideShow:
Grid.AddClientScript(writer, string.Format("$(\"a[rel='{0}_{1}']\").colorbox({{slideshow:true}});", Grid.ClientID, ColumnId));
break;
case ImageDisplayType.Single:
Grid.AddClientScript(writer, string.Format("$(document).ready(function() {{$(\".wgimage_{0}\").colorbox();}});", ColumnId));
break;
}
}
else
image = string.Format(@"<img class=""wgimage"" src=""{0}"" alt=""{1}""/>", image, Title);
if (HyperLinkColumn && Grid.DisplayView == DisplayView.Grid)
{
string a = Grid.EnableCallBack ? Asynchronous.GetCallbackEventReference(Grid,
string.Format("RecordClick!{0}!{1}", ColumnId,
cell.Row.PrimaryKeyValues),
false, string.Empty, string.Empty) : Grid.Page.ClientScript.GetPostBackEventReference(Grid,
string.Format("RecordClick!{0}!{1}",
ColumnId,
cell.Row.
PrimaryKeyValues));
string b = (String.IsNullOrEmpty(ConfirmMessage))
? string.Empty
: String.Format("if(wgconfirm('{0}',this,'{1}')) ", ConfirmMessage.Replace("'", "\\'"), Grid.DialogTitle.Replace("'", "\\'"));
image =
string.Format(
"<a class=\"wglinkfield\" href=\"#\" onclick=\"{0}{1}\">{2}</a>", b, a, image);
}
LabelHtml(image, writer,cell);
}
/// <summary>
/// Gets the name of the absolute directory file.
/// </summary>
/// <value>The name of the absolute directory file.</value>
public string AbsoluteDirectoryFileName(RowCell cell)
{
if (m_AbsoluteDirectoryFileName != null)
return m_AbsoluteDirectoryFileName;
if (FileNameOption == FileNameOption.UsePrimaryKey)
m_AbsoluteDirectoryFileName =
string.Format("{0}{1}_{2}.{3}", AbsoluteDirectory, cell.Row.PrimaryKeyUpdateValues, ColumnId,
GetExtension(Value(cell)));
else
m_AbsoluteDirectoryFileName = AbsoluteDirectory + FileName(cell);
return m_AbsoluteDirectoryFileName;
}
internal new virtual string Value(RowCell cell)
{
if (cell.Value != null) return cell.Value.ToString();
return null;
}
public string FileName(RowCell cell)
{
if (IsBlob && string.IsNullOrEmpty(FileNameColumn))
return null;
if (!string.IsNullOrEmpty(FileNameColumn))
{
if (!IsBlob)
{
if (ColumnId == FileNameColumn)
return m_FileName = Value(cell);
if (FileNameOption == FileNameOption.UsePrimaryKey && cell.Row[FileNameColumn].Value != null)
return m_FileName =
string.Format("{0}_{1}.{2}", cell.Row.PrimaryKeyUpdateValues, ColumnId,
GetExtension(cell.Row[FileNameColumn].Value.ToString()));
}
if (cell.Row[FileNameColumn].Value != null)
return m_FileName = cell.Row[FileNameColumn].Value.ToString();
}
if (m_FileName == null)
{
if (IsBlob)
return null;
return FileNameOption == FileNameOption.UsePrimaryKey
? (m_FileName =
string.Format("{0}_{1}.{2}", cell.Row.PrimaryKeyUpdateValues, ColumnId, Value(cell)))
: (m_FileName = Value(cell));
}
return m_FileName;
}
private System.Drawing.Image CreateImageSizes(string filename, RowCell cell)
{
System.Drawing.Image img = null;
if (FileTemporaryMode == FileTemporaryMode.File)
{
string tmpFile = HttpContext.Current.Session[string.Format("{0}_imgdata", cell.CellClientId)] as string;
if (tmpFile != null) img = System.Drawing.Image.FromFile(tmpFile);
}
else // File in memory
img =
(System.Drawing.Image) HttpContext.Current.Session[string.Format("{0}_imgdata", cell.CellClientId)];
if (ImageSizes != null && img != null)
for (int i = 0; i < ImageSizes.Count; i++)
{
string debugstr =
ImageSizes[i].Resize(img, AbsoluteDirectory, filename,cell);
if (Grid.Debug)
Grid.m_DebugString.AppendFormat("{0}<br/>", debugstr);
}
return img;
}
/// <summary>
/// Gets the name of the get storedfile.
/// </summary>
/// <value>The name of the get storedfile.</value>
public string GetStoredfileName(RowCell cell)
{
string fileName;
if (FileNameOption == FileNameOption.UsePrimaryKey && cell.Row[FileNameColumn].Value != null)
fileName =
string.Format("{0}_{1}.{2}", cell.Row.PrimaryKeyUpdateValues, ColumnId,
GetExtension(cell.Row[FileNameColumn].Value.ToString()));
else if (FileNameColumn != null && cell.Row[FileNameColumn].Value != null)
fileName = cell.Row[FileNameColumn].Value.ToString();
else
{
if (IsBlob)
return null;
fileName = FileNameOption == FileNameOption.UsePrimaryKey
? string.Format("{0}_{1}.{2}", cell.Row.PrimaryKeyUpdateValues, ColumnId, Value(cell))
: Value(cell);
}
return fileName;
}
/* public static void Render(string content, string cssclass, HtmlTextWriter writer)
{
ColumnCell td = new ColumnCell {m_Class = cssclass};
td.RenderBeginTag(writer);
writer.Write(content);
td.RenderEndTag(writer);
}
*/
public void RenderBeginTag(WebGridHtmlWriter writer,Column column,RowCell cell, string tagtype)
{
StringBuilder tdStart = new StringBuilder(tagtype);
string name = "";
if (column != null)
name = column.ColumnId;
if (m_Align != HorizontalPosition.Undefined)
tdStart.AppendFormat(" align=\"{0}\"", m_Align.ToString().ToLowerInvariant());
if (m_VAlign != VerticalPosition.undefined)
tdStart.AppendFormat(" valign=\"{0}\"", m_VAlign.ToString().ToLowerInvariant());
if( string.IsNullOrEmpty(m_Class) == false )
tdStart.AppendFormat(" class=\"{0}\" ", m_Class);
if (m_GridRowCount == -1)
{
if (m_ColumnWidth != Unit.Empty)
tdStart.AppendFormat(" style=\"width: {0}\"", m_ColumnWidth);
if (string.IsNullOrEmpty(name) == false)
tdStart.AppendFormat(" id=\"{0}{1}r0\"", m_GridId, name);
}
else if (string.IsNullOrEmpty(name) == false && m_GridRowCount > 0)
tdStart.AppendFormat(" id=\"{0}{1}r{2}\"", m_GridId, name, m_GridRowCount);
else if (string.IsNullOrEmpty(name) == false)
tdStart.AppendFormat(" id=\"{0}{1}\"", name, m_GridRowCount);
if (m_ColumnSpan > 1) tdStart.AppendFormat(" colspan=\"{0}\"", m_ColumnSpan);
// if (m_RowSpan > 1) tdStart.AppendFormat(" rowspan=\"{0}\"", m_RowSpan);
if(column != null && !string.IsNullOrEmpty( writer.Grid.OnClientCellClick ))
{
ClientCellEventArgs ea = new ClientCellEventArgs();
ea.ColumnId = column.ColumnId;
ea.RowIndex = m_GridRowCount;
if (cell != null)
ea.Value = cell.Value;
ea.ClientEventType = ClientEventType.OnClientColumnClick;
string content = JavaScriptConvert.SerializeObject(ea);
writer.Grid.JsOnData.AppendLine();
string jsonId = string.Format("{0}r{2}{1}", m_GridId, name, m_GridRowCount).Replace("-","A");
writer.Grid.JsOnData.AppendFormat("{0} = {1}", jsonId, content);
tdStart.AppendFormat(@" onclick=""{0}(this,{1});return false"" ", writer.Grid.OnClientCellClick, jsonId);
}
if (column != null && !string.IsNullOrEmpty(writer.Grid.OnClientCellDblClick))
{
ClientCellEventArgs ea = new ClientCellEventArgs();
ea.ColumnId = column.ColumnId;
ea.RowIndex = m_GridRowCount;
if (cell != null)
ea.Value = cell.Value;
ea.ClientEventType = ClientEventType.OnClientColumnDblClick;
string content = JavaScriptConvert.SerializeObject(ea);
writer.Grid.JsOnData.AppendLine();
string jsonId = string.Format("{0}r{2}{1}", m_GridId, name, m_GridRowCount).Replace("-", "A");
writer.Grid.JsOnData.AppendFormat("{0} = {1}", jsonId, content);
tdStart.AppendFormat(@" ondblclick=""{0}(this,{1});return false"" ", writer.Grid.OnClientCellDblClick, jsonId);
}
if (column != null && !string.IsNullOrEmpty(writer.Grid.OnClientCellMouseOver))
{
ClientCellEventArgs ea = new ClientCellEventArgs();
ea.ColumnId = column.ColumnId;
ea.RowIndex = m_GridRowCount;
if (cell != null)
ea.Value = cell.Value;
ea.ClientEventType = ClientEventType.OnClientColumnMouseOver;
string content = JavaScriptConvert.SerializeObject(ea);
writer.Grid.JsOnData.AppendLine();
string jsonId = string.Format("{0}r{2}{1}mouseover", m_GridId, name, m_GridRowCount).Replace("-", "A");
writer.Grid.JsOnData.AppendFormat("{0} = {1}", jsonId, content);
tdStart.AppendFormat(@"onmouseover=""{0}(this,{1});return false""", writer.Grid.OnClientCellMouseOver, jsonId);
}
if (column != null && !string.IsNullOrEmpty(writer.Grid.OnClientCellMouseOut))
{
ClientCellEventArgs ea = new ClientCellEventArgs();
ea.ColumnId = column.ColumnId;
ea.RowIndex = m_GridRowCount;
if (cell != null)
ea.Value = cell.Value;
ea.ClientEventType = ClientEventType.OnClientColumnMouseOut;
string content = JavaScriptConvert.SerializeObject(ea);
writer.Grid.JsOnData.AppendLine();
string jsonId = string.Format("{0}r{2}{1}mouseout", m_GridId, name, m_GridRowCount).Replace("-", "A");
writer.Grid.JsOnData.AppendFormat("{0} = {1}", jsonId, content);
tdStart.AppendFormat(@"onmouseout=""{0}(this,{1});return false""", writer.Grid.OnClientCellMouseOut, jsonId);
}
tdStart.Append(">");
writer.Write(tdStart);
}
internal override void GetColumnPostBackData(RowCell cell)
{
if (cell.GotPostBackData || !Grid.GotHttpContext)
return;
cell.GotPostBackData = true;
string uniqueID = cell.CellClientId;
// Check if we have a post back, need this since checkbox "returns null" both for unchecked and non-existing
if (HttpContext.Current.Request[uniqueID + "_cb"] == null)
return;
cell.PostBackValue = HttpContext.Current.Request[uniqueID] ?? FalseValue;
}