/// <summary>
/// Renders the data items as a block of JavaScript
/// </summary>
/// <param name="writer"></param>
public void Write(TextWriter writer, IDictionary <string, object> data)
{
if (data == null || data.Count < 1)
{
// emit nothing when empty
return;
}
List <string> namespaces = new List <string>();
StringWriter markup;
EcmaScriptWriter jsWriter;
if (this.AutoMarkup == AutoMarkupType.Data)
{
markup = new StringWriter();
jsWriter = new JsonMarkupWriter(writer, markup);
}
else
{
markup = null;
jsWriter = new EcmaScriptWriter(writer);
}
if (this.IsDebug)
{
jsWriter.Settings.PrettyPrint = true;
jsWriter.Settings.NewLine = Environment.NewLine;
jsWriter.Settings.Tab = "\t";
}
writer.Write(DataBlockWriter.ScriptOpen);
foreach (string key in data.Keys)
{
if (markup != null)
{
if (this.IsDebug)
{
markup.WriteLine();
}
markup.Write("<div title=\"");
HttpUtility.HtmlAttributeEncode(key, markup);
markup.Write("\">");
}
string declaration;
if (!EcmaScriptWriter.WriteNamespaceDeclaration(writer, key, namespaces, this.IsDebug))
{
declaration = "var " + key;
}
else
{
declaration = key;
}
if (this.IsDebug)
{
writer.Write(DataBlockWriter.VarAssignmentDebug, declaration);
if (data[key] != null &&
data[key].GetType().IsClass)
{
writer.WriteLine();
}
}
else
{
writer.Write(DataBlockWriter.VarAssignment, declaration);
}
// emit the value as JSON
jsWriter.Write(data[key]);
writer.Write(DataBlockWriter.VarAssignmentEnd);
if (markup != null)
{
markup.Write("</div>");
}
if (this.IsDebug)
{
writer.WriteLine();
}
}
writer.Write(DataBlockWriter.ScriptClose);
if (markup != null)
{
writer.Write(DataBlockWriter.NoScriptOpen);
writer.Write(markup.ToString());
writer.Write(DataBlockWriter.NoScriptClose);
}
}
/// <summary>
/// Renders the data items as a block of JavaScript
/// </summary>
/// <param name="writer"></param>
public void Write(TextWriter writer, IDictionary<string, object> data)
{
if (data == null || data.Count < 1)
{
// emit nothing when empty
return;
}
List<string> namespaces = new List<string>();
StringWriter markup;
EcmaScriptWriter jsWriter;
if (this.AutoMarkup == AutoMarkupType.Data)
{
markup = new StringWriter();
jsWriter = new JsonMarkupWriter(writer, markup);
}
else
{
markup = null;
jsWriter = new EcmaScriptWriter(writer);
}
if (this.IsDebug)
{
jsWriter.Settings.PrettyPrint = true;
jsWriter.Settings.NewLine = Environment.NewLine;
jsWriter.Settings.Tab = "\t";
}
writer.Write(DataBlockWriter.ScriptOpen);
foreach (string key in data.Keys)
{
if (markup != null)
{
if (this.IsDebug)
{
markup.WriteLine();
}
markup.Write("<div title=\"");
HttpUtility.HtmlAttributeEncode(key, markup);
markup.Write("\">");
}
string declaration;
if (!EcmaScriptWriter.WriteNamespaceDeclaration(writer, key, namespaces, this.IsDebug))
{
declaration = "var "+key;
}
else
{
declaration = key;
}
if (this.IsDebug)
{
writer.Write(DataBlockWriter.VarAssignmentDebug, declaration);
if (data[key] != null &&
data[key].GetType().IsClass)
{
writer.WriteLine();
}
}
else
{
writer.Write(DataBlockWriter.VarAssignment, declaration);
}
// emit the value as JSON
jsWriter.Write(data[key]);
writer.Write(DataBlockWriter.VarAssignmentEnd);
if (markup != null)
{
markup.Write("</div>");
}
if (this.IsDebug)
{
writer.WriteLine();
}
}
writer.Write(DataBlockWriter.ScriptClose);
if (markup != null)
{
writer.Write(DataBlockWriter.NoScriptOpen);
writer.Write(markup.ToString());
writer.Write(DataBlockWriter.NoScriptClose);
}
}
/// <summary>
/// Renders the JBST control reference and any stored data to be used.
/// </summary>
/// <param name="writer">output</param>
/// <param name="data">data to be bound as an object which will be serialized</param>
/// <param name="index">the data index</param>
/// <param name="count">the total data count</param>
/// <param name="inner">a callback for writing inner placeholder content</param>
internal void Write(TextWriter writer, object data, int index, int count, InnerCallback inner)
{
if (String.IsNullOrEmpty(this.JbstName))
{
throw new ArgumentNullException("JBST Name must be specified.");
}
// generate an ID for controls which do not have explicit
if (String.IsNullOrEmpty(this.ID))
{
// happens with no parents
this.ID = "_"+Guid.NewGuid().ToString("n");
}
bool hasInner = (inner != null);
string placeholder = hasInner ? "div" : "noscript";
// render the placeholder hook
writer.Write('<');
writer.Write(placeholder);
writer.Write(" id=\"");
writer.Write(this.ID);
writer.Write("\">");
if (hasInner)
{
// render inner as loading/error markup
inner(writer);
}
string inlineData = null;
if (data != null && !(data is EcmaScriptIdentifier) && this.AutoMarkup == AutoMarkupType.Data)
{
if (hasInner)
{
writer.Write("<noscript>");
}
// serialize InlineData as a JavaScript literal
StringBuilder builder = new StringBuilder();
JsonMarkupWriter jsWriter = new JsonMarkupWriter(builder, writer);
if (this.IsDebug)
{
jsWriter.Settings.PrettyPrint = true;
jsWriter.Settings.NewLine = Environment.NewLine;
jsWriter.Settings.Tab = "\t";
}
jsWriter.Write(data);
if (hasInner)
{
writer.Write("</noscript>");
}
inlineData = builder.ToString();
}
writer.Write("</");
writer.Write(placeholder);
writer.Write('>');
// render the binding script
writer.Write("<script type=\"text/javascript\">");
writer.Write(this.JbstName);
writer.Write(".replace(\"");
writer.Write(this.ID);
writer.Write("\",");
if (!String.IsNullOrEmpty(inlineData))
{
writer.Write(inlineData);
}
else if (data != null)
{
// serialize InlineData as a JavaScript literal
EcmaScriptWriter jsWriter = new EcmaScriptWriter(writer);
if (this.IsDebug)
{
jsWriter.Settings.PrettyPrint = true;
jsWriter.Settings.NewLine = Environment.NewLine;
jsWriter.Settings.Tab = "\t";
}
jsWriter.Write(data);
}
else
{
// smallest most innocuous default data
writer.Write("{}");
}
if (index >= 0)
{
writer.Write(",(");
writer.Write(index);
writer.Write(')');
if (count >= 0)
{
writer.Write(",(");
writer.Write(count);
writer.Write(')');
}
}
writer.Write(");");
writer.Write("</script>");
}
