/// <summary> Stream to which to write the HTML for this subwriter </summary>
/// <param name="Output"> Response stream for the item viewer to write directly to </param>
/// <param name="Tracer"> Trace object keeps a list of each method executed and important milestones in rendering </param>
public override void Write_Main_Viewer_Section(TextWriter Output, Custom_Tracer Tracer)
{
if (Tracer != null)
{
Tracer.Add_Trace("Feature_ItemViewer.Write_Main_Viewer_Section", "");
}
// Save the current viewer code
string current_view_code = CurrentMode.ViewerCode;
// Start the citation table
Output.WriteLine("\t\t<!-- FEATURE VIEWER OUTPUT -->");
Output.WriteLine("\t\t<td align=\"left\" height=\"40px\" ><span class=\"SobekViewerTitle\"><b>Index of Features</b></span></td></tr>");
Output.WriteLine("\t\t<tr><td class=\"SobekDocumentDisplay\">");
Output.WriteLine("\t\t\t<div class=\"SobekCitation\">");
// Get the list of streets from the database
Map_Features_DataSet features = SobekCM_Database.Get_All_Features_By_Item(CurrentItem.Web.ItemID, Tracer);
Create_Feature_Index(Output, features);
// Finish the citation table
Output.WriteLine("\t\t\t</div>");
Output.WriteLine("\t\t</td>");
Output.WriteLine("\t\t<!-- END FEATURE VIEWER OUTPUT -->");
// Restore the mode
CurrentMode.ViewerCode = current_view_code;
}
/// <summary> Build the HTML for the feature index for this item </summary>
/// <param name="Output"> HTML output stream </param>
/// <param name="Features"> Dataset containig all of the features linked to this item </param>
protected internal void Create_Feature_Index(TextWriter Output, Map_Features_DataSet Features)
{
if (Features == null)
{
Output.WriteLine("<br />");
Output.WriteLine("<center><b>UNABLE TO LOAD FEATURES FROM DATABASE</b></center>");
Output.WriteLine("<br />");
CurrentMode.Mode = Display_Mode_Enum.Contact;
Output.WriteLine("<center>Click <a href=\"" + UrlWriterHelper.Redirect_URL(CurrentMode) + "\">here</a> to report this issue.</center>");
Output.WriteLine("<br />");
CurrentMode.Mode = Display_Mode_Enum.Item_Display;
return;
}
string currentView = CurrentMode.ViewerCode;
// This will be presented in a table, so start the table
Output.WriteLine("<table width=\"100%\">");
// Determine (roughly) how many rows for each side
// of the column
int rows_per_column = Features.Features.Count / 2;
if ((Features.Features.Count % 2) > 0)
{
rows_per_column++;
}
// Start the large table for each section
Output.WriteLine("\t<tr>");
Output.WriteLine("\t\t<td width=\"46%\" valign=\"top\">");
// Create the first column of feature information
Insert_One_Feature_Column(Output, Features, 0, rows_per_column);
// Move to second column of large table, after making a small margin column
Output.WriteLine("\t\t</td>");
Output.WriteLine("\t\t<td width=\"8%\"></td> <!-- Spacer Column -->");
Output.WriteLine("\t\t<td width=\"46%\" valign=\"top\">");
// Create the second column of feature information
Insert_One_Feature_Column(Output, Features, rows_per_column, Features.Features.Count);
// Finish off the large table
Output.WriteLine("\t\t</td>\n\t</tr>\n</table>");
Output.WriteLine("<!-- End output from GEMS_Map_Object.Feature_Index -->");
CurrentMode.ViewerCode = currentView;
}
/// <summary> Adds the main view section to the page turner </summary>
/// <param name="placeHolder"> Main place holder ( "mainPlaceHolder" ) in the itemNavForm form into which the the bulk of the item viewer's output is displayed</param>
/// <param name="Tracer"> Trace object keeps a list of each method executed and important milestones in rendering </param>
public override void Add_Main_Viewer_Section(PlaceHolder placeHolder, Custom_Tracer Tracer)
{
if (Tracer != null)
{
Tracer.Add_Trace("Feature_ItemViewer.Add_Main_Viewer_Section", "Adds one literal with all the html");
}
// Build the value
StringBuilder builder = new StringBuilder(5000);
// Save the current viewer code
string current_view_code = CurrentMode.ViewerCode;
// Start the citation table
builder.AppendLine("\t\t<!-- FEATURE VIEWER OUTPUT -->");
builder.AppendLine("\t\t<td align=\"left\" height=\"40px\" ><span class=\"SobekViewerTitle\"><b>Index of Features</b></span></td></tr>");
builder.AppendLine("\t\t<tr><td class=\"SobekDocumentDisplay\">");
builder.AppendLine("\t\t\t<div class=\"SobekCitation\">");
// Get the list of streets from the database
Map_Features_DataSet features = SobekCM_Database.Get_All_Features_By_Item(CurrentItem.Web.ItemID, Tracer);
Create_Feature_Index(builder, features);
// Finish the citation table
builder.AppendLine("\t\t\t</div>");
builder.AppendLine("\t\t</td>");
builder.AppendLine("\t\t<!-- END FEATURE VIEWER OUTPUT -->");
// Restore the mode
CurrentMode.ViewerCode = current_view_code;
// Add the HTML for the image
Literal mainLiteral = new Literal {
Text = builder.ToString()
};
placeHolder.Controls.Add(mainLiteral);
}
/// <summary> Insert the HTML for a single feature column into the Stringbuilder </summary>
/// <param name="Output"> Output stream to write the HTML to </param>
/// <param name="Features"> Dataset containig all of the features linked to this item </param>
/// <param name="StartRow"> Row of the set of features to begin on </param>
/// <param name="EndRow"> Last row in the set of features </param>
protected internal void Insert_One_Feature_Column(TextWriter Output, Map_Features_DataSet Features, int StartRow, int EndRow)
{
// Declare some variables for looping
string lastFeatureName = "%";
// Start the table for this row
Output.WriteLine("\t\t\t<table width=\"100%\"> <!-- Table to display a single column of feature information -->");
// Now, loop through all the results
int i = StartRow;
while (i < EndRow)
{
// Get this feature
Map_Features_DataSet.FeaturesRow thisFeature = Features.Features[i++];
// Only display this if it is not null
if ((thisFeature.IssorterNull()) || (thisFeature.sorter.Trim().Length <= 0))
{
continue;
}
// If this feature name starts with a new letter, add the letter now
if (thisFeature.sorter.Trim()[0] != lastFeatureName[0])
{
// Add a row for the letter
Output.WriteLine("\t\t\t\t<tr> <td colspan=\"2\" class=\"bigletter\" align=\"center\">" + (thisFeature.sorter.Trim())[0] + "</td></tr>");
lastFeatureName = thisFeature.sorter.Trim();
}
// Start this row
Output.WriteLine("\t\t\t\t<tr class=\"index\">");
// Create the string to display
string display;
if ((!thisFeature.IsCorporateNameNull()) && (thisFeature.CorporateName.Length > 0))
{
// Is there a building use for this as well
if ((!thisFeature.IsFeatureNameNull()) && (thisFeature.FeatureName.Trim().Length > 0))
{
display = thisFeature.CorporateName + ", " + thisFeature.FeatureName;
}
else
{
display = thisFeature.CorporateName;
}
}
else
{
// Add location desc, if there is one
if ((!thisFeature.IsLocationDescNull()) && (thisFeature.LocationDesc.Length > 0))
{
display = thisFeature.FeatureName + " ( " + thisFeature.LocationDesc + " )";
}
else
{
display = thisFeature.FeatureName;
}
}
// Add the name
Output.WriteLine("\t\t\t\t\t<td>" + display + "</td>");
// Add the link to the sheet
CurrentMode.ViewerCode = thisFeature["PageSequence"].ToString();
Output.WriteLine("\t\t\t\t\t<td><a href=\"" + UrlWriterHelper.Redirect_URL(CurrentMode) + "\">" + thisFeature.PageName.Replace("Sheet", "").Trim() + "</a></td>");
// End this row
Output.WriteLine("\t\t\t\t</tr>");
}
// End this table
Output.WriteLine("\t\t\t</table>");
}