/// <summary>Generate the drop box edit details.</summary>
/// <param name="file">The file to edit.</param>
/// <param name="web">The web the file is in.</param>
/// <param name="mode">The open mode.</param>
/// <param name="sourceUrl">The source page.</param>
/// <returns></returns>
public DropBoxEditDetails GenerateDropBoxEditDetails(AssignmentFile file, SPWeb web, DropBoxEditMode mode, string sourceUrl)
{
DropBoxEditDetails details = new DropBoxEditDetails();
// Set default details
details.Url = file.Url;
details.OnClick = EditJavascript(file, web);
try
{
bool isIpad = SlkUtilities.IsIpad();
if (settings.UseOfficeWebApps)
{
if (file.IsOfficeFile)
{
if (settings.OpenOfficeInIpadApp && isIpad)
{
details.Url = file.GenerateOfficeProtocolUrl(web, sourceUrl);
details.OnClick = null;
}
else if (mode == DropBoxEditMode.Edit)
{
// Document must be 2010 format to be edited in office web apps
if (file.IsOwaCompatible)
{
details.Url = file.GenerateOfficeAppsEditUrl(web, sourceUrl);
details.OnClick = null;
}
}
// Use Office Web Apps viewer for office files except for Excel which does not support it for pre 2010 worksheets
else if (file.Extension.ToUpperInvariant() != "XLS")
{
details.Url = file.GenerateOfficeAppsViewUrl(web, sourceUrl);
details.OnClick = null;
}
}
}
else if (settings.OpenOfficeInIpadApp && isIpad)
{
details.Url = file.GenerateOfficeProtocolUrl(web, sourceUrl);
details.OnClick = null;
}
}
catch (ArgumentOutOfRangeException)
{
// Not valid for office web apps
details.Url = file.Url;
details.OnClick = EditJavascript(file, web);
}
return details;
}
/// <summary>Copies the original file to the student's drop box.</summary>
/// <returns>The url of the file.</returns>
public AssignmentFile CopyFileToDropBox()
{
AssignmentFile assignmentFile = null;
SPSecurity.RunWithElevatedPrivileges(delegate()
{
SharePointFileLocation fileLocation;
if (!SharePointFileLocation.TryParse(assignmentProperties.Location, out fileLocation))
{
throw new SafeToDisplayException(SlkFrameset.FRM_DocumentNotFound);
}
using (SPSite sourceSite = new SPSite(fileLocation.SiteId))
{
using (SPWeb sourceWeb = sourceSite.OpenWeb(fileLocation.WebId))
{
SPFile file = sourceWeb.GetFile(fileLocation.FileId);
if (file.Exists == false)
{
string message = string.Format(CultureInfo.CurrentUICulture, culture.Resources.AssignmentFileDoesNotExist, fileLocation.FileId, assignmentProperties.Title);
store.LogError(message);
throw new SafeToDisplayException(message);
}
if (MustCopyFileToDropBox(file.Name))
{
try
{
assignmentFile = SaveFile(file);
}
catch (SPException)
{
// Retry in case a temporary error
try
{
assignmentFile = SaveFile(file);
}
catch (SPException e)
{
string message = string.Format(CultureInfo.CurrentUICulture, culture.Resources.DropBoxFailedToCopyFile, file.Name, assignmentProperties.Title, e.Message);
store.LogError(message);
string safeMessage = string.Format(CultureInfo.CurrentUICulture, culture.Resources.DropBoxFailedToCopyFile, file.Name, assignmentProperties.Title, string.Empty);
throw new SafeToDisplayException(safeMessage);
}
}
}
}
}
});
return assignmentFile;
}
/// <summary>Generates the edit javascript script.</summary>
/// <param name="file">The file to generate the js for.</param>
/// <param name="web">The web the file is in.</param>
/// <returns>The script.</returns>
static string EditJavascript(AssignmentFile file, SPWeb web)
{
if (file.IsEditable)
{
#if SP2007
string script = "editDocumentWithProgID2('{0}', '', 'SharePoint.OpenDocuments','0','{1}','0');";
return string.Format(CultureInfo.InvariantCulture, script, Microsoft.SharePoint.Utilities.SPHttpUtility.UrlPathEncode(file.Url, false), web.Url);
#else
return CreateDispExFunctionCall(file, web);
#endif
}
else
{
return string.Empty;
}
}
private AssignmentFile SaveFile(SPFile file)
{
AssignmentFile assignmentFile = null;
using (SPSite destinationSite = new SPSite(assignmentProperties.SPSiteGuid))
{
destinationSite.CatchAccessDeniedException = false;
using (SPWeb destinationWeb = destinationSite.OpenWeb(assignmentProperties.SPWebGuid))
{
using (new AllowUnsafeUpdates(destinationWeb))
{
// Temporarily turn off property promotion. Possible cause for exceptions saving docs. I don't actually know
// if settings this will disable it as without an update it's not persisted and we don't want to persist the
// setting, just turn it off for this addition. It may even work asynchronously.
destinationWeb.ParserEnabled = false;
SPUser learner = CurrentUser;
DropBox dropBox = new DropBox(store, destinationWeb);
AssignmentFolder assignmentFolder = dropBox.GetAssignmentFolder(assignmentProperties);
AssignmentFolder learnerSubFolder = null;
if (assignmentFolder == null)
{
assignmentFolder = dropBox.CreateAssignmentFolder(assignmentProperties);
}
// ApplyAssignmentPermission creates the learner folder if required
ApplyAssignmentPermission(learner, SPRoleType.Contributor, SPRoleType.Reader, true);
learnerSubFolder = assignmentFolder.FindLearnerFolder(learner);
using (Stream stream = file.OpenBinaryStream())
{
assignmentFile = learnerSubFolder.SaveFile(file.Name, stream, new SlkUser(learner));
}
}
}
}
return assignmentFile;
}
static string CreateDispExFunctionCall(AssignmentFile file, SPWeb web)
{
string text = Microsoft.SharePoint.Utilities.SPUtility.MapToControl(web, file.Name, string.Empty);
// string openInBrowser = (file.Item.ParentList.DefaultItemOpen == DefaultItemOpen.Browser) ? "1" : "0";
string openInBrowser = "0"; // Always 0 as want to open in client application
// string forceCheckout = file.Item.ParentList.ForceCheckout ? "1" : "0";
string forceCheckout = "0"; // Drop box doesn't support check in/out.
string currentUser = (web.CurrentUser != null) ? web.CurrentUser.ID.ToString(CultureInfo.InvariantCulture) : string.Empty;
// string isCheckedOutToLocal = (string)file.Item["IsCheckedoutToLocal"],
string isCheckedOutToLocal = "0"; // Drop box doesn't support check in/out.
string permMask = file.PermMask;
/*
SPFieldLookupValue sPFieldLookupValue = file.Item["CheckedOutUserId"] as SPFieldLookupValue;
string scriptLiteralToEncode = (sPFieldLookupValue == null) ? string.Empty : sPFieldLookupValue.LookupValue;
scriptLiteralToEncode = SPHttpUtility.EcmaScriptStringLiteralEncode(scriptLiteralToEncode);
*/
string scriptLiteralToEncode = string.Empty; // Drop box doesn't support check in/out.
return string.Format(CultureInfo.InvariantCulture, "DispEx(this,event,'{0}','{1}','{2}','{3}','{4}','{5}','{6}','{7}','{8}','{9}','{10}','{11}','{12}');", new object[]
{
"TRUE",
"FALSE",
"TRUE",
text,
openInBrowser,
text,
string.Empty,
string.Empty,
scriptLiteralToEncode,
currentUser,
forceCheckout,
isCheckedOutToLocal,
permMask
});
}
static bool MustCopyFileToDropBox(string fileName)
{
return AssignmentFile.MustCopyFileToDropBox(Path.GetExtension(fileName));
}
