/// <summary> Get the indicated item layour objecty </summary>
/// <param name="LayoutName"> Name of the layout to get </param>
/// <returns> Either the indicated layout, or the default, if the indicated one does not exist </returns>
public static HtmlLayoutInfo GetItemLayout(string LayoutName)
{
lock (itemLayoutLock)
{
// Does this already exist?
if (itemLayout != null)
{
return(itemLayout);
}
// Did not exist, so parse it
string source_file_name = UI_ApplicationCache_Gateway.Configuration.UI.WriterViewers.Items.Layout.Source;
string source_file = Path.Combine(UI_ApplicationCache_Gateway.Settings.Servers.Application_Server_Network, "config", "html", source_file_name);
// If the source file is missing, make an error template
if (!File.Exists(source_file))
{
// Just create a dummy here
itemLayout = new HtmlLayoutInfo();
HtmlLayoutSection errorSection = new HtmlLayoutSection
{
Name = "Error",
Type = HtmlLayoutSectionTypeEnum.Static_HTML,
HTML = "Unable to find the HTML source template file under the web application ( config/html/" + source_file_name + " )"
};
itemLayout.Sections.Add(errorSection);
return(itemLayout);
}
// Use the HTML layout parser to read this
itemLayout = HtmlLayoutParser.Parse(source_file);
return(itemLayout);
}
}
/// <summary> Get the indicated item layour objecty </summary>
/// <param name="LayoutConfig"> Configuration for this layout </param>
/// <returns> Either the indicated layout, or the default, if the indicated one does not exist </returns>
public static HtmlLayoutInfo GetItemLayout(ItemWriterLayoutConfig LayoutConfig)
{
lock (itemLayoutLock)
{
// Does this already exist?
if (itemLayout.ContainsKey(LayoutConfig.ID))
{
return(itemLayout[LayoutConfig.ID]);
}
// Get the lay
// Did not exist, so parse it
string source_file_name = LayoutConfig.Source;
string source_file = Path.Combine(UI_ApplicationCache_Gateway.Settings.Servers.Application_Server_Network, "config", "html", source_file_name);
// If the source file is missing, make an error template
if (!File.Exists(source_file))
{
// Just create a dummy here
HtmlLayoutInfo thisItemLayout = new HtmlLayoutInfo();
HtmlLayoutSection errorSection = new HtmlLayoutSection
{
Name = "Error",
Type = HtmlLayoutSectionTypeEnum.Static_HTML,
HTML = "Unable to find the HTML source template file under the web application ( config/html/" + source_file_name + " )"
};
thisItemLayout.Sections.Add(errorSection);
return(thisItemLayout);
}
// Use the HTML layout parser to read this
HtmlLayoutInfo readItemLayout = HtmlLayoutParser.Parse(source_file);
// Save this
itemLayout[LayoutConfig.ID] = readItemLayout;
// Also return this
return(readItemLayout);
}
}
/// <summary> Parse the HTML layout template file and return a fully built
/// HTML layout information object </summary>
/// <param name="SourceFile"> Source HTML segment file to parse </param>
/// <returns> Fully built HTML layout obbject </returns>
public static HtmlLayoutInfo Parse(string SourceFile)
{
string template_contents = String.Empty;
try
{
// Get the template contents
StreamReader reader = new StreamReader(SourceFile);
template_contents = reader.ReadToEnd();
reader.Close();
}
catch (Exception ee)
{
// Error reading the template, create a dummy here
HtmlLayoutInfo errorLayout = new HtmlLayoutInfo();
HtmlLayoutSection errorSection = new HtmlLayoutSection
{
Name = "Error",
Type = HtmlLayoutSectionTypeEnum.Static_HTML,
HTML = "Exception reading the source file ( " + SourceFile + " ) : " + ee.Message
};
errorLayout.Sections.Add(errorSection);
return(errorLayout);
}
int static_section_count = 0;
// Create the return object
HtmlLayoutInfo returnObj = new HtmlLayoutInfo();
int current_index = 0;
int total_length = template_contents.Length;
while (current_index < total_length)
{
// Look for the next section
int next_section_index = template_contents.IndexOf("[%SECTION:", current_index);
// If none found, the rest is static HTML
if (next_section_index < 0)
{
static_section_count++;
HtmlLayoutSection staticSection = new HtmlLayoutSection
{
Name = "Static" + static_section_count,
Type = HtmlLayoutSectionTypeEnum.Static_HTML,
HTML = template_contents.Substring(current_index)
};
returnObj.Sections.Add(staticSection);
current_index = total_length;
}
else // Found a section directive
{
// Is there a static section to grab?
if (next_section_index != current_index)
{
static_section_count++;
HtmlLayoutSection staticSection = new HtmlLayoutSection
{
Name = "Static" + static_section_count,
Type = HtmlLayoutSectionTypeEnum.Static_HTML,
HTML = template_contents.Substring(current_index, next_section_index - current_index)
};
returnObj.Sections.Add(staticSection);
}
// Get the section name
int section_tag_end = template_contents.IndexOf("%]", next_section_index);
if (section_tag_end < 0)
{
static_section_count++;
HtmlLayoutSection staticSection = new HtmlLayoutSection
{
Name = "Static" + static_section_count,
Type = HtmlLayoutSectionTypeEnum.Static_HTML,
HTML = "Unable to find end of directive tag in the HTML template file"
};
returnObj.Sections.Add(staticSection);
current_index = total_length;
}
else
{
string section_name = template_contents.Substring(next_section_index + 10, section_tag_end - next_section_index - 10);
if (section_name == "VIEWER")
{
HtmlLayoutSection viewerSection = new HtmlLayoutSection
{
Name = section_name,
Type = HtmlLayoutSectionTypeEnum.Viewer_Section
};
returnObj.Sections.Add(viewerSection);
}
else
{
HtmlLayoutSection dynamicSection = new HtmlLayoutSection
{
Name = section_name,
Type = HtmlLayoutSectionTypeEnum.Dynamic_Section
};
returnObj.Sections.Add(dynamicSection);
}
current_index = section_tag_end + 2;
}
}
}
return(returnObj);
}
/// <summary> Clear all the cached layout information </summary>
public static void Clear()
{
itemLayout = null;
}