private void AppendInitializeFunction(StringBuilder sb, DataTableContext tableContext,
string initializeFunctionName)
{
sb.AppendLine("function " + initializeFunctionName + "(){");
sb.AppendLine($"$('#{TableId}').DataTable({{");
var localizationUrl = _localizer["LocalizationUrl"];
if (!string.IsNullOrEmpty(localizationUrl))
{
sb.AppendLine($"language: {{url: \"{localizationUrl}\"}},");
}
if (ServerSide)
{
AppendServerSideProcessingData(sb);
}
else if (!string.IsNullOrEmpty(JsonData))
{
AppendData(sb);
}
else
{
throw new NotImplementedException();
}
AppendColumns(sb, tableContext);
sb.AppendLine("});");
sb.AppendLine("}");
}
private void AppendTableHtml(StringBuilder sb, DataTableContext tableContext, TagHelperContext context)
{
Contract.Requires(sb != null && tableContext != null && context != null);
var classes = "";
if (context.AllAttributes.TryGetAttribute("class", out TagHelperAttribute classTag))
{
classes = classTag.Value.ToString();
}
sb.AppendLine($"<table id=\"{TableId}\" class=\"{classes}\" cellspacing=\"0\" width=\"100%\">");
sb.AppendLine("<thead>");
sb.AppendLine("<tr>");
if (tableContext.ColumnsProperties != null)
{
foreach (var columnProperty in tableContext.ColumnsProperties)
{
sb.AppendLine($"<th>{columnProperty.Metadata?.DisplayName}</th>");
}
}
if (tableContext.ActionDataSet != null && tableContext.ActionDataSet.Any())
{
sb.AppendLine("<th></th>");
}
sb.AppendLine("</tr>");
sb.AppendLine("</thead>");
sb.AppendLine("</table>");
}
private async Task <DataTableContext> GetTableContextAsync(TagHelperContext context, TagHelperOutput output)
{
Contract.Requires(context != null && output != null);
var tableContext = new DataTableContext {
ModelExplorer = GetModelExplorer(ModelType)
};
context.Items.Add(typeof(DataTableTagHelper), tableContext);
await output.GetChildContentAsync();
return(tableContext);
}
private void AppendColumns(StringBuilder sb, DataTableContext tableContext)
{
Contract.Requires(sb != null && tableContext != null);
sb.AppendLine("columns: [");
if (tableContext.ColumnsProperties != null)
{
foreach (var columnProperty in tableContext.ColumnsProperties)
{
var columnName = Char.ToLowerInvariant(columnProperty.Name[0]) + columnProperty.Name.Substring(1);
if (columnProperty.Metadata.ModelType == typeof(DateTime) || columnProperty.Metadata.ModelType == typeof(DateTime?))
{
sb.AppendLine($"{{ \"data\": \"{columnName}\",");
sb.AppendLine("\"render\": function(data){");
sb.AppendLine("if (data == null) return data;");
sb.AppendLine("var d = new Date(data);");
sb.AppendLine("return d.toLocaleString();");
sb.AppendLine("}},");
}
else if (columnProperty.Metadata.ModelType == typeof(decimal) || columnProperty.Metadata.ModelType == typeof(decimal?))
{
sb.AppendLine($"{{ \"data\": \"{columnName}\",");
sb.AppendLine("\"render\": function(data){");
sb.AppendLine("return data.toLocaleString();");
sb.AppendLine("}},");
}
else
{
sb.AppendLine($"{{ \"data\": \"{columnName}\",");
sb.AppendLine("render: $.fn.dataTable.render.text()},");
}
}
}
if (tableContext.ActionDataSet != null && tableContext.ActionDataSet.Any())
{
sb.AppendLine(GetColumnActionContent(tableContext.ActionDataSet));
}
sb.AppendLine("],");
}