/// <summary>
/// Constructor
/// </summary>
public AssignmentListWebPart()
{
culture = new SlkCulture();
displaySummary = true;
listScope = true;
ToolTip = culture.Format(culture.Resources.AlwpWebPartToolTipFormat, this.Title, this.Description);
}
/// <summary>See <see cref="SlkAppBasePage.OnInit"/>.</summary>
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
// Query set page don't have normal master page so use custom culture switcher
string culture = System.Web.HttpContext.Current.Request.QueryString["culture"];
if (string.IsNullOrEmpty(culture) == false)
{
PageCulture = new SlkCulture(new CultureInfo(culture));
}
}
/// <summary>
/// writes the exeception to the event Log and outs the SlkError Object.
/// </summary>
/// <param name="store">The ISlkStore to write exceptions to.</param>
/// <param name="ex">Exception</param>
/// <returns></returns>
public static SlkError WriteException(ISlkStore store, Exception ex)
{
SlkError slkError = null;
//Check for Exception Type. For all Handled Exceptions
//Add the Exception Message in Error
//Or Add the Standard Error Message and
//log the exception in EventLog.
if (ex is SafeToDisplayException || ex is UserNotFoundException || ex is SlkNotConfiguredException || ex is NotAnInstructorException)
{
slkError = new SlkError(ErrorType.Error, SlkUtilities.GetHtmlEncodedText(ex.Message));
}
else if (ex is UnauthorizedAccessException || ex is LearningStoreSecurityException)
{
slkError = new SlkError(ErrorType.Error, SlkUtilities.GetHtmlEncodedText(SlkCulture.GetResources().AccessDenied));
}
else
{
//Set the Standard Error text
SlkCulture culture = new SlkCulture();
string errorText = culture.Resources.SlkGenericError;
SqlException sqlEx = ex as SqlException;
if (sqlEx != null)
{
//check whether deadlock occured
if (sqlEx.Number == 1205)
{
errorText = culture.Resources.SlkExWorkFlowSqlDeadLockError;
}
}
//log the exception in EventLog.
if (store != null)
{
store.LogException(ex);
}
slkError = new SlkError(ErrorType.Error, SlkUtilities.GetHtmlEncodedText(errorText));
}
return(slkError);
}
/// <summary>
/// Render Error Message Image Tag
/// </summary>
/// <param name="errorType">ErrorType decides Image Src Attribute</param>
private static Image RenderImage(ErrorType errorType)
{
//Controls to Render Error
Image imgErrorType = new Image();
SlkCulture culture = new SlkCulture();
switch (errorType)
{
case ErrorType.Error:
{
//Error Image Tag
imgErrorType.ImageUrl = Constants.ImagePath + Constants.ErrorIcon;
imgErrorType.ToolTip = culture.Resources.SlkErrorTypeErrorToolTip;
break;
}
case ErrorType.Info:
{
//Info Image Tag
imgErrorType.ImageUrl = Constants.ImagePath + Constants.InfoIcon;
imgErrorType.ToolTip = culture.Resources.SlkErrorTypeInfoToolTip;
break;
}
case ErrorType.Warning:
{
//ErrorType Image Tag
imgErrorType.ImageUrl = Constants.ImagePath + Constants.WarningIcon;
imgErrorType.ToolTip = culture.Resources.SlkErrorTypeWarningToolTip;
break;
}
default:
{
//Error Image Tag
imgErrorType.ImageUrl = Constants.ImagePath + Constants.ErrorIcon;
imgErrorType.ToolTip = culture.Resources.SlkErrorTypeErrorToolTip;
break;
}
}
return(imgErrorType);
}
/// <summary>
/// Checks for deadlock and writes the SqlExeception to the event Log and outs the SlkError Object.
/// </summary>
/// <param name="store">The ISlkStore to log exceptions.</param>
/// <param name="sqlEx">SqlException</param>
/// <returns></returns>
internal static SlkError WriteException(ISlkStore store, SqlException sqlEx)
{
//Set the Standard Error text
SlkCulture culture = new SlkCulture();
string errorText = culture.Resources.SlkGenericError;
//check whether deadlock occured
if (sqlEx.Number == 1205)
{
errorText = culture.Resources.SlkExAlwpSqlDeadLockError;
}
//Slk Error with Generic or dead lock error message.
errorText = Constants.Space + SlkUtilities.GetHtmlEncodedText(errorText);
//log the exception
store.LogException(sqlEx);
//Add the Error to Error Collection.
return(new SlkError(ErrorType.Error, errorText));
}
/// <summary>
/// Render TableGridColumn Contents
/// </summary>
/// <param name="writer">HtmlTextWriter</param>
protected override void RenderContents(HtmlTextWriter writer)
{
//if FormType is Error render the Error Block
if (ColumnType == FormType.FormError)
{
//place holder Content
StringBuilder renderedContent = new StringBuilder();
//Text Writer to write the content to content Render
using (TextWriter contentWriter = new StringWriter(renderedContent, SlkCulture.GetCulture()))
{
using (HtmlTextWriter originalStream = new HtmlTextWriter(contentWriter))
{
base.RenderContents(originalStream);
string renderedHtmlText = renderedContent.ToString();
RenderErrorBlock(writer, renderedHtmlText);
}
}
}
else
{
//if FormType is Break render the image tag with blank gif
if (ColumnType == FormType.FormBreak ||
ColumnType == FormType.SectionLine)
{
//Add Attributes for the <Img> tag
writer.AddAttribute(HtmlTextWriterAttribute.Src, Constants.BlankGifUrl);
writer.AddAttribute(HtmlTextWriterAttribute.Width, "1");
writer.AddAttribute(HtmlTextWriterAttribute.Height,
(ColumnType == FormType.SectionLine) ? "1" : "5");
writer.AddAttribute(HtmlTextWriterAttribute.Alt, "");
HtmlBlock.WriteFullTag(HtmlTextWriterTag.Img, 0, writer);
}
base.RenderContents(writer);
}
}
private void RenderHead(HtmlTextWriter hw)
{
// render the "<head>" element and its contents
using (new HtmlBlock(HtmlTextWriterTag.Head, 1, hw))
{
// create a link to "core.css";
// "/_layouts/1033/styles/core.css" except with "1033" replaced with the
// current SPWeb language code
// Include 1033 one as a back up
AddCoreCss(hw, 1033);
SlkCulture culture = new SlkCulture(SPWeb);
AddCoreCss(hw, culture.Culture.LCID);
#if SP2007
//Adds the Theme Css Url to Enable Theming in the frame.
if (!string.IsNullOrEmpty(SPWeb.ThemeCssUrl))
{
hw.AddAttribute(HtmlTextWriterAttribute.Rel, "stylesheet");
hw.AddAttribute(HtmlTextWriterAttribute.Type, "text/css");
hw.AddAttribute(HtmlTextWriterAttribute.Href, SPWeb.ThemeCssUrl);
HtmlBlock.WriteFullTag(HtmlTextWriterTag.Link, 0, hw);
}
#endif
// create a link to ALWP's "Styles.css"
hw.AddAttribute(HtmlTextWriterAttribute.Rel, "stylesheet");
hw.AddAttribute(HtmlTextWriterAttribute.Type, "text/css");
hw.AddAttribute(HtmlTextWriterAttribute.Href, "Include/Styles.css");
HtmlBlock.WriteFullTag(HtmlTextWriterTag.Link, 0, hw);
// write a "<script>" element that loads "QuerySet.js"
hw.AddAttribute(HtmlTextWriterAttribute.Src, "Include/QuerySet.js");
HtmlBlock.WriteFullTag(HtmlTextWriterTag.Script, 0, hw);
}
}
/// <summary>
/// Render the Error Items
/// </summary>
/// <param name="item">SlkError Item</param>
/// <param name="htmlTextWriter">htmlTextWriter</param>
private static void RenderErrorItem(SlkError item, HtmlTextWriter htmlTextWriter)
{
//Controls to Render Error
Image imgErrorType = new Image();
Literal lcErrorText = new Literal();
imgErrorType.ID = "imgErrorType";
lcErrorText.ID = "lcErrorText";
using (new HtmlBlock(HtmlTextWriterTag.Tr, 1, htmlTextWriter))
{
//Add Attributes for the <TD> tag
htmlTextWriter.AddAttribute(HtmlTextWriterAttribute.Style, "width: 22px;");
htmlTextWriter.AddAttribute(HtmlTextWriterAttribute.Valign, "top");
htmlTextWriter.AddAttribute(HtmlTextWriterAttribute.Align, "left");
using (new HtmlBlock(HtmlTextWriterTag.Td, 0, htmlTextWriter))
{
SlkCulture culture = new SlkCulture();
switch (item.ErrorType)
{
case ErrorType.Error:
{
//Error Image Tag
imgErrorType.ImageUrl = Constants.ImagePath + Constants.ErrorIcon;
imgErrorType.ToolTip = culture.Resources.SlkErrorTypeErrorToolTip;
break;
}
case ErrorType.Info:
{
//Info Image Tag
imgErrorType.ImageUrl = Constants.ImagePath + Constants.InfoIcon;
imgErrorType.ToolTip = culture.Resources.SlkErrorTypeInfoToolTip;
break;
}
case ErrorType.Warning:
{
//ErrorType Image Tag
imgErrorType.ImageUrl = Constants.ImagePath + Constants.WarningIcon;
imgErrorType.ToolTip = culture.Resources.SlkErrorTypeWarningToolTip;
break;
}
default:
{
//Error Image Tag
imgErrorType.ImageUrl = Constants.ImagePath + Constants.ErrorIcon;
imgErrorType.ToolTip = culture.Resources.SlkErrorTypeErrorToolTip;
break;
}
}
imgErrorType.RenderControl(htmlTextWriter);
}
//Render Error Text
htmlTextWriter.AddAttribute(HtmlTextWriterAttribute.Valign, "top");
htmlTextWriter.AddAttribute(HtmlTextWriterAttribute.Width, "100%");
htmlTextWriter.AddAttribute(HtmlTextWriterAttribute.Align, "left");
htmlTextWriter.AddAttribute(HtmlTextWriterAttribute.Class, "ms-formvalidation");
using (new HtmlBlock(HtmlTextWriterTag.Td, 0, htmlTextWriter))
{
lcErrorText.Text = item.ErrorText;
lcErrorText.RenderControl(htmlTextWriter);
}
}
}
/// <summary>Gets the name of a property to display.</summary>
protected override string GetLocalizedString(string value)
{
SlkCulture culture = new SlkCulture();
return(culture.Resources.ResourceManager.GetString(value));
}
/// <summary>See <see cref="Microsoft.SharePoint.WebControls.UnsecuredLayoutsPageBase.OnInit"/>.</summary>
protected override void OnInit(EventArgs e)
{
culture = new SlkCulture();
base.OnInit(e);
}
//////////////////////////////////////////////////////////////////////////////////////////////
// Protected Methods
//
#region protected methods
/// <summary>See <see cref="Microsoft.SharePoint.WebControls.UnsecuredLayoutsPageBase.OnInit"/>.</summary>
protected override void OnInit(EventArgs e)
{
PageCulture = new SlkCulture(SPWeb);
base.OnInit(e);
}
protected void Page_Load(object sender, EventArgs e)
{
try
{
String queryCount = String.Empty;
// render the HTML for the page
using (HtmlTextWriter hw = new HtmlTextWriter(Response.Output, " "))
{
// render the "<html>" element and its contents
using (new HtmlBlock(HtmlTextWriterTag.Html, 0, hw))
{
// render the "<head>" element and its contents
using (new HtmlBlock(HtmlTextWriterTag.Head, 1, hw))
{
// create a link to "core.css";
// "/_layouts/1033/styles/core.css" except with "1033" replaced with the
// current SPWeb language code
// Include 1033 one as a back up
AddCoreCss(hw, 1033);
SlkCulture culture = new SlkCulture(SPWeb);
AddCoreCss(hw, culture.Culture.LCID);
#if SP2007
//Adds the Theme Css Url to Enable Theming in the frame.
hw.AddAttribute(HtmlTextWriterAttribute.Rel, "stylesheet");
hw.AddAttribute(HtmlTextWriterAttribute.Type, "text/css");
hw.AddAttribute(HtmlTextWriterAttribute.Href, SPWeb.ThemeCssUrl);
HtmlBlock.WriteFullTag(HtmlTextWriterTag.Link, 0, hw);
#endif
// create a link to ALWP's "Styles.css"
hw.AddAttribute(HtmlTextWriterAttribute.Rel, "stylesheet");
hw.AddAttribute(HtmlTextWriterAttribute.Type, "text/css");
hw.AddAttribute(HtmlTextWriterAttribute.Href, "Include/Styles.css");
HtmlBlock.WriteFullTag(HtmlTextWriterTag.Link, 0, hw);
}
// render the "<body>" element and its contents
hw.AddAttribute(HtmlTextWriterAttribute.Style, "width: 100%; overflow-y: auto; overflow-x: auto;");
using (new HtmlBlock(HtmlTextWriterTag.Body, 0, hw))
{
Microsoft.SharePointLearningKit.WebParts.AssignmentListWebPart.DumpCultures(hw, "Page_Load");
// render the outer table -- this contains only one row and one column, which
// in turn contains the entire query results table
hw.AddAttribute(HtmlTextWriterAttribute.Cellspacing, "0");
hw.AddAttribute(HtmlTextWriterAttribute.Cellpadding, "0");
hw.AddAttribute(HtmlTextWriterAttribute.Style, "width:100%;");
hw.AddAttribute(HtmlTextWriterAttribute.Border, "0");
RenderForm(hw);
RenderSortFunction(hw);
using (new HtmlBlock(HtmlTextWriterTag.Table, 0, hw))
{
// render the single row and column of the outer table
using (new HtmlBlock(HtmlTextWriterTag.Tr, 0, hw))
{
using (new HtmlBlock(HtmlTextWriterTag.Td, 0, hw))
{
hw.WriteLine();
try
{
// set <queryDef> to the QueryDefinition named <queryName>
QueryDefinition queryDef = null;
if (Query != null)
{
queryDef = SlkStore.Settings.FindQueryDefinition(Query);
}
if (queryDef == null)
{
throw new SafeToDisplayException(PageCulture.Resources.AlwpQuerySetNotFound, Query);
}
List <RenderedCell[]> renderedRows = PerformQuery(queryDef);
//Set the QueryCount
queryCount = renderedRows.Count.ToString(CultureInfo.InvariantCulture);
//Renders the Result
RenderQueryResults(queryDef, renderedRows, hw);
}
catch (Exception ex)
{
queryCount = PageCulture.Resources.AlwpQueryResultError;
SlkError slkError;
//Handles SqlException separate to capture the deadlock
//and treat it differently
SqlException sqlEx = ex as SqlException;
if (sqlEx != null)
{
slkError = WebParts.ErrorBanner.WriteException(SlkStore, sqlEx);
}
else
{
slkError = SlkError.WriteException(SlkStore, ex);
}
WebParts.ErrorBanner.RenderErrorItems(hw, slkError);
}
finally
{
//Renders the JavaScript to set the Query Count.
RenderQueryCount(queryCount);
}
}
}
}
}
}
}
}
catch (Exception ex)
{
Response.Write(ex.ToString());
}
}