/// <summary>
/// Write TOC Html elements for the table of contents
/// </summary>
/// <returns></returns>
public void TocElementsHtml(HttpRequest Request, string AssignmentGradingViewName)
{
// If there was an error on page load, do nothing here.
if (m_session == null)
{
return;
}
TableOfContentsElement toc = m_session.GetTableOfContents(true); // get toc without sequencing information
using (HtmlStringWriter sw = new HtmlStringWriter(Response.Output))
{
sw.Indent = 2; // start at table level 2, since that's where we are
WriteTocEntry(sw, toc);
string SLKView = Request.QueryString["SlkView"];
// Write the TOC entry to submit the training, only in Execute view or RandomAccess (SLK only) views
if ((m_session.View == SessionView.Execute) ||
((m_session.View == SessionView.Review) && (SLKView.ToLower() == AssignmentGradingViewName.ToLower())))
{
WriteSubmitPageEntry(sw);
}
}
}
// this does too much work to be a property
protected string GetTocStates()
{
StringBuilder sb = new StringBuilder(1000);
TableOfContentsElement root = this.Session.GetTableOfContents(true);
this.GetTocNodeState(sb, root);
return(sb.ToString());
}
/// <summary>
/// Recursive function to append toc state to the buffer.
/// </summary>
private void GetTocNodeState(StringBuilder buffer, TableOfContentsElement element)
{
if (element.IsVisible)
{
buffer.AppendFormat("{0},{1};", XmlConvert.ToString(element.ActivityId), element.IsValidChoiceNavigationDestination ? "true" : "false");
}
foreach (TableOfContentsElement child in element.Children)
{
GetTocNodeState(buffer, child);
}
}
/// <summary>
/// Returns true if this node should be rendered. This indicates nothing about whether or not children of the node should
/// be rendered.
/// </summary>
private static bool RenderThisNode(TableOfContentsElement element)
{
// If this element is visible, then return true
if (element.IsVisible)
{
return(true);
}
// If this element is a leaf node, the node will be rendered (but not visible)
if (element.Children.Count == 0)
{
return(true);
}
// In all other cases, don't render this element
return(false);
}
/// <summary>
/// Write TOC Html elements for the table of contents
/// </summary>
/// <returns></returns>
///
public void TocElementsHtml()
{
// If there was an error on page load, do nothing here.
if (this.mSession == null)
{
return;
}
TableOfContentsElement toc = this.mSession.GetTableOfContents(true);
// get toc without sequencing information
using (HtmlStringWriter sw = new HtmlStringWriter(this.Response.Output))
{
sw.Indent = 2; // start at table level 2, since that's where we are
this.WriteTocEntry(sw, toc);
// Write the TOC entry to submit the training, only in Execute view or RandomAccess (SLK only) views
if ((this.mSession.View == SessionView.Execute) || (this.mSession.View == SessionView.RandomAccess))
{
this.WriteSubmitPageEntry(sw);
}
}
}
[SuppressMessage("Microsoft.Design", "CA1062:ValidateArgumentsOfPublicMethods")] // parameter is validated
private void WriteTocEntry(HtmlStringWriter sw, TableOfContentsElement currentElement)
{
FramesetUtil.ValidateNonNullParameter("sw", sw);
FramesetUtil.ValidateNonNullParameter("currentElement", currentElement);
string activityId = FramesetUtil.GetStringInvariant(currentElement.ActivityId);
bool elementHasChildren = currentElement.Children.Count > 0;
HtmlString activityIdHtml = new PlainTextString(activityId).ToHtmlString();
HtmlString titleHtml = new PlainTextString(currentElement.Title).ToHtmlString();
// If the current element is visible or is an invisible leaf node, then render it. (If it's an
// invisible leaf node, the node will exist but not be visible.)
if (RenderThisNode(currentElement))
{
sw.AddAttribute(HtmlTextWriterAttribute.Class, new PlainTextString("NodeParent"));
sw.AddAttribute("activityId", activityIdHtml);
sw.AddAttribute("isValidChoice", (currentElement.IsValidChoiceNavigationDestination ? "true" : "false"));
sw.AddAttribute(HtmlTextWriterAttribute.Id, ResHelper.FormatInvariant("div{0}", activityIdHtml));
sw.RenderBeginTag(HtmlTextWriterTag.Div); // #Div1
if (currentElement.IsVisible)
{
sw.AddAttribute(HtmlTextWriterAttribute.Id, ResHelper.FormatInvariant("icon{0}", activityIdHtml));
if (currentElement.HasVisibleChildren)
{
sw.AddAttribute(HtmlTextWriterAttribute.Src, "Theme/MinusBtn.gif");
}
else
{
sw.AddAttribute(HtmlTextWriterAttribute.Src, "Theme/Leaf.gif");
}
sw.AddAttribute(HtmlTextWriterAttribute.Align, "absMiddle");
sw.RenderBeginTag(HtmlTextWriterTag.Img);
sw.RenderEndTag();
sw.AddAttribute(HtmlTextWriterAttribute.Src, "Theme/1px.gif");
sw.AddAttribute(HtmlTextWriterAttribute.Align, "absMiddle");
sw.RenderBeginTag(HtmlTextWriterTag.Img);
sw.RenderEndTag();
sw.WriteLine();
sw.AddAttribute(HtmlTextWriterAttribute.Href, "javascript:void(0)");
sw.AddAttribute(HtmlTextWriterAttribute.Id, ResHelper.FormatInvariant("a{0}", activityIdHtml));
if (!currentElement.IsValidChoiceNavigationDestination)
{
sw.AddAttribute(HtmlTextWriterAttribute.Disabled, "true");
sw.AddAttribute("class", "disable");
}
sw.AddAttribute(HtmlTextWriterAttribute.Style,
ResHelper.FormatInvariant("FONT-WEIGHT: normal;visibility:{0}", (currentElement.IsVisible ? "visible" : "hidden")));
sw.AddAttribute(HtmlTextWriterAttribute.Title, titleHtml);
sw.RenderBeginTag(HtmlTextWriterTag.A);
sw.WriteHtml(titleHtml);
sw.RenderEndTag();
}
}
// Write sub-elements (regardless of whether or not this node is rendered)
if (elementHasChildren)
{
sw.WriteLine();
bool clusterStarted = false;
if (currentElement.IsVisible)
{
sw.AddAttribute(HtmlTextWriterAttribute.Id, ResHelper.FormatInvariant("divCluster{0}", activityIdHtml));
sw.AddAttribute(HtmlTextWriterAttribute.Style, "MARGIN-TOP: 5px; DISPLAY: block; MARGIN-LEFT: 18px;");
sw.RenderBeginTag(HtmlTextWriterTag.Div);
clusterStarted = true;
}
foreach (TableOfContentsElement childElement in currentElement.Children)
{
WriteTocEntry(sw, childElement);
}
if (clusterStarted)
{
sw.RenderEndTag(); // end div
sw.WriteLine();
}
}
if (RenderThisNode(currentElement))
{
sw.RenderEndTag(); // div (see #Div1, above)
sw.WriteLine();
}
}
/// <summary>
/// Returns true if this node should be rendered. This indicates nothing about whether or not children of the node should
/// be rendered.
/// </summary>
private static bool RenderThisNode(TableOfContentsElement element)
{
// If this element is visible, then return true
if (element.IsVisible)
return true;
// If this element is a leaf node, the node will be rendered (but not visible)
if (element.Children.Count == 0)
return true;
// In all other cases, don't render this element
return false;
}
[SuppressMessage("Microsoft.Design", "CA1062:ValidateArgumentsOfPublicMethods")] // parameter is validated
private void WriteTocEntry(HtmlStringWriter sw, TableOfContentsElement currentElement)
{
FramesetUtil.ValidateNonNullParameter("sw", sw);
FramesetUtil.ValidateNonNullParameter("currentElement", currentElement);
string activityId = FramesetUtil.GetStringInvariant(currentElement.ActivityId);
bool elementHasChildren = currentElement.Children.Count > 0;
HtmlString activityIdHtml = new PlainTextString(activityId).ToHtmlString();
HtmlString titleHtml = new PlainTextString(currentElement.Title).ToHtmlString();
// If the current element is visible or is an invisible leaf node, then render it. (If it's an
// invisible leaf node, the node will exist but not be visible.)
if (RenderThisNode(currentElement))
{
sw.AddAttribute(HtmlTextWriterAttribute.Class, new PlainTextString("NodeParent"));
sw.AddAttribute("activityId", activityIdHtml);
sw.AddAttribute("isValidChoice", (currentElement.IsValidChoiceNavigationDestination ? "true" : "false"));
sw.AddAttribute(HtmlTextWriterAttribute.Id, ResHelper.FormatInvariant("div{0}", activityIdHtml));
sw.RenderBeginTag(HtmlTextWriterTag.Div); // #Div1
if (currentElement.IsVisible)
{
sw.AddAttribute(HtmlTextWriterAttribute.Id, ResHelper.FormatInvariant("icon{0}", activityIdHtml));
if (currentElement.HasVisibleChildren)
sw.AddAttribute(HtmlTextWriterAttribute.Src, "Theme/MinusBtn.gif");
else
sw.AddAttribute(HtmlTextWriterAttribute.Src, "Theme/Leaf.gif");
sw.AddAttribute(HtmlTextWriterAttribute.Align, "absMiddle");
sw.RenderBeginTag(HtmlTextWriterTag.Img);
sw.RenderEndTag();
sw.AddAttribute(HtmlTextWriterAttribute.Src, "Theme/1px.gif");
sw.AddAttribute(HtmlTextWriterAttribute.Align, "absMiddle");
sw.RenderBeginTag(HtmlTextWriterTag.Img);
sw.RenderEndTag();
sw.WriteLine();
sw.AddAttribute(HtmlTextWriterAttribute.Href, "javascript:void(0)");
sw.AddAttribute(HtmlTextWriterAttribute.Id, ResHelper.FormatInvariant("a{0}", activityIdHtml));
if (!currentElement.IsValidChoiceNavigationDestination)
{
sw.AddAttribute(HtmlTextWriterAttribute.Disabled, "true");
sw.AddAttribute("class", "disable");
}
sw.AddAttribute(HtmlTextWriterAttribute.Style,
ResHelper.FormatInvariant("FONT-WEIGHT: normal;visibility:{0}", (currentElement.IsVisible ? "visible" : "hidden")));
sw.AddAttribute(HtmlTextWriterAttribute.Title, titleHtml);
sw.RenderBeginTag(HtmlTextWriterTag.A);
sw.WriteHtml(titleHtml);
sw.RenderEndTag();
}
}
// Write sub-elements (regardless of whether or not this node is rendered)
if (elementHasChildren)
{
sw.WriteLine();
bool clusterStarted = false;
if (currentElement.IsVisible)
{
sw.AddAttribute(HtmlTextWriterAttribute.Id, ResHelper.FormatInvariant("divCluster{0}", activityIdHtml));
sw.AddAttribute(HtmlTextWriterAttribute.Style, "MARGIN-TOP: 5px; DISPLAY: block; MARGIN-LEFT: 18px;");
sw.RenderBeginTag(HtmlTextWriterTag.Div);
clusterStarted = true;
}
foreach (TableOfContentsElement childElement in currentElement.Children)
{
WriteTocEntry(sw, childElement);
}
if (clusterStarted)
{
sw.RenderEndTag(); // end div
sw.WriteLine();
}
}
if (RenderThisNode(currentElement))
{
sw.RenderEndTag(); // div (see #Div1, above)
sw.WriteLine();
}
}
