/// <summary>
/// Transform an expression to its representative list.
/// </summary>
/// <typeparam name="TModel">Model's Type</typeparam>
/// <typeparam name="TProperty">Property's Type</typeparam>
/// <param name="htmlHelper"></param>
/// <param name="expression"></param>
/// <param name="tableJSName"></param>
/// <param name="tableId"></param>
/// <param name="columns"></param>
/// <returns>The list of objects</returns>
private static List <object> GetListFromExpression <TModel, TProperty>(HtmlHelper <TModel> htmlHelper, Expression <Func <TModel, TProperty> > expression, string tableJSName, ref string tableId, ref ColumnsModelsCollection columns)
{
List <object> result = null;
var expressionResultItem = ModelMetadata.FromLambdaExpression(expression, htmlHelper.ViewData).Model;
if (expressionResultItem is IEnumerable)
{
result = new List <object>();
var elementType = expressionResultItem.GetType().GenericTypeArguments.First();
tableId = string.IsNullOrEmpty(tableId) ? ("Table_" + elementType.Name + "s") : tableId;
var tempExpressionResult = (expressionResultItem as IEnumerable).GetEnumerator();
while (tempExpressionResult.MoveNext())
{
var item = tempExpressionResult.Current;
if (item.GetType() == elementType)
{
result.Add(item);
}
}
if (columns == null)
{
var properties = elementType.GetProperties().ToList();
var tempColumns = new ColumnsModelsCollection(tableJSName);
properties.ForEach(p =>
{
tempColumns.Add(new ColumnModel(p.Name, null, p.PropertyType, true));
});
columns = tempColumns;
}
}
if (columns == null)
{
columns = new ColumnsModelsCollection(tableJSName);
}
else
{
columns.SetTableJSName(tableJSName);
}
return(result);
}
/// <summary>
/// Creates a table.
/// </summary>
/// <param name="htmlHelper">Instance du programme d'assistance HTML étendue par cette méthode.</param>
/// <param name="columns">Columns definition.</param>
/// <param name="tableJSName">In js Table name.</param>
/// <param name="tableId">Html Table Id</param>
/// <param name="refreshDataUrl">[Optional] : Url used to refresh datas from server.</param>
/// <param name="htmlAttributes">[Optional] : Objet qui contient les attributs HTML à définir pour l'élément.</param>
/// <returns>Html Tags to create the table.</returns>
public static MvcHtmlString KODataTable(this HtmlHelper htmlHelper, ColumnsModelsCollection columns, string tableJSName, string tableId, string refreshDataUrl = null, object htmlAttributes = null)
{
var result = MvcHtmlString.Create(String.Format(""));
var attributes = GetAttributes(htmlAttributes);
if (columns != null && string.IsNullOrEmpty(columns.TableJSName) && !string.IsNullOrEmpty(tableJSName))
{
columns.SetTableJSName(tableJSName);
}
result = CreateHtml(tableJSName, tableId, columns, attributes, null, refreshDataUrl);
return(result);
}
/// <summary>
/// Creates a table from model's list definition.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <typeparam name="TProperty"></typeparam>
/// <param name="htmlHelper">Instance du programme d'assistance HTML étendue par cette méthode.</param>
/// <param name="expression">Expression identifiant l'objet qui contient les propriétés à restituer.</param>
/// <param name="tableJSName"></param>
/// <param name="tableId">[Optional] : Html Table Id.</param>
/// <param name="columns">[Optional] : Columns definition.</param>
/// <param name="htmlAttributes">[Optional] : Objet qui contient les attributs HTML à définir pour l'élément.</param>
/// <returns>Html Tags to create the table.</returns>
public static MvcHtmlString KODataTableFor <TModel, TProperty>(this HtmlHelper <TModel> htmlHelper, Expression <Func <TModel, TProperty> > expression, string tableJSName, string tableId = null, ColumnsModelsCollection columns = null, object htmlAttributes = null)
{
var result = MvcHtmlString.Create(String.Format(""));
var attributes = GetAttributes(htmlAttributes);
var listeResults = DatatableHelpers.GetListFromExpression(htmlHelper, expression, tableJSName, ref tableId, ref columns);
result = CreateHtml(tableJSName, tableId, columns, attributes, listeResults);
return(result);
}
/// <summary>
/// Creates Html table.
/// </summary>
/// <param name="tableJSName">In js Table name.</param>
/// <param name="tableId">Html Table Id</param>
/// <param name="columns">Columns definition.</param>
/// <param name="attributes">Attributes to add on Html main container.</param>
/// <param name="listeResults">[Optional] : List of objects to display.</param>
/// <returns>Html Tags to create the table.</returns>
private static MvcHtmlString CreateHtml(string tableJSName, string tableId, ColumnsModelsCollection columns = null, Dictionary <string, object> attributes = null, List <object> listeResults = null, string refreshDataUrl = null)
{
MvcHtmlString result;
var classNames = attributes != null && attributes.ContainsKey("class") ? attributes["class"] : string.Empty;
var domId = attributes != null && attributes.ContainsKey("id") ? "id=\"" + attributes["id"] + "\"" : string.Empty;
var listSpecials = new List <string>()
{
"class",
"id"
};
var othersAttributes = attributes != null?attributes.Where(c => !listSpecials.Contains(c.Key)).Aggregate(string.Empty, (s, c) => s + (string.IsNullOrEmpty(s) ? string.Empty : " ") + c.Key + "=\"" + c.Value + "\"") : string.Empty;
var sortableColumns = columns != null?columns.Where(c => c.IsSortable).Select(col => col.PropertyName).Distinct().ToList() : new List <string>();
var tableHtml = ("<table id=\"{0}\" class=\"table table-striped table-bordered table-hover\">" + Environment.NewLine +
columns.GetHeader() + Environment.NewLine +
" <tbody data-bind=\"foreach: {1}.Datas\">" + Environment.NewLine +
columns.GetRowTemplate() + Environment.NewLine +
" </tbody>" + Environment.NewLine +
"</table>").SpecialFormat(tableId, tableJSName);
var pagingHtml = ("<div class=\"row text-center\" name=\"DragonwolfPagingZone\">" + Environment.NewLine +
" <div class=\"col-md-4 pull-left\">" + Environment.NewLine +
" <div class=\"col-md-8\">" + Environment.NewLine +
" <label class=\"form-control\" data-bind=\"text: {2}.Libelles().ResultatsParPage\"></label>" + Environment.NewLine +
" </div>" + Environment.NewLine +
" <div class=\"col-md-4\">" + Environment.NewLine +
" <select class=\"form-control\" data-bind=\"foreach: {2}.DataSizesList, value: {2}.ResultatsParPage\">" + Environment.NewLine +
" <option data-bind=\"value: $data, text: $data\"></option>" + Environment.NewLine +
" </select>" + Environment.NewLine +
" </div>" + Environment.NewLine +
" </div>" + Environment.NewLine +
" <div class=\"col-md-4 pull-right\" data-bind=\"visible: {2}.ResultatsParPage() !== 0 && {2}.ResultsCount() > {2}.ResultatsParPage()\">" + Environment.NewLine +
" <div class=\"input-group\">" + Environment.NewLine +
" <span class=\"input-group-btn\">" + Environment.NewLine +
" <button name = \"btnPremierePage\" type=\"button\" class=\"btn btn-primary col-md-12\" data-bind=\"visible: {2}.AffichePrecedant, attr: { title: {2}.Libelles().PremierePage }\"><i class=\"glyphicon glyphicon-fast-backward\"></i></button>" + Environment.NewLine +
" </span>" + Environment.NewLine +
" <span class=\"input-group-btn\">" + Environment.NewLine +
" <button name = \"btnPagePrecedante\" type=\"button\" class=\"btn btn-primary col-md-12\" data-bind=\"visible: {2}.AffichePrecedant, attr: { title: {2}.Libelles().PagePrecedante }\"><i class=\"glyphicon glyphicon-backward\"></i></button>" + Environment.NewLine +
" </span>" + Environment.NewLine +
" <label class=\"form-control\" data-bind=\"text: {2}.ComptePage\"></label>" + Environment.NewLine +
" <span class=\"input-group-btn\">" + Environment.NewLine +
" <button name=\"btnPageSuivante\" type=\"button\" class=\"btn btn-primary col-md-12\" data-bind=\"visible: {2}.AfficheSuivant, attr: { title: {2}.Libelles().PageSuivante }\"><i class=\"glyphicon glyphicon-forward\"></i></button>" + Environment.NewLine +
" </span>" + Environment.NewLine +
" <span class=\"input-group-btn\">" + Environment.NewLine +
" <button name=\"btnDernierePage\" type=\"button\" class=\"btn btn-primary col-md-12\" data-bind=\"visible: {2}.AfficheSuivant, attr: { title: {2}.Libelles().DernierePage }\"><i class=\"glyphicon glyphicon-fast-forward\"></i></button>" + Environment.NewLine +
" </span>" + Environment.NewLine +
" </div>" + Environment.NewLine +
" </div>" + Environment.NewLine +
"</div>").SpecialFormat(classNames, tableId, tableJSName);
var javascriptHtml = string.Empty;
if (listeResults != null)
{
javascriptHtml = ("<script type=\"text/javascript\">KODataTable.SetTable('{0}', '{1}', {2}, {3});</script>").SpecialFormat(tableJSName, tableId, Newtonsoft.Json.JsonConvert.SerializeObject(listeResults), Newtonsoft.Json.JsonConvert.SerializeObject(sortableColumns));
}
else if (!string.IsNullOrEmpty(refreshDataUrl))
{
javascriptHtml = ("<script type=\"text/javascript\">KODataTable.SetTable('{0}', '{1}', {2}, {3}, '{4}');</script>").SpecialFormat(tableJSName, tableId, "null", Newtonsoft.Json.JsonConvert.SerializeObject(sortableColumns), refreshDataUrl);
}
else
{
javascriptHtml = ("<script type=\"text/javascript\">KODataTable.SetTable('{0}', '{1}', {2}, {3});</script>").SpecialFormat(tableJSName, tableId, "null", Newtonsoft.Json.JsonConvert.SerializeObject(sortableColumns));
}
var wrappingDom = ("<div class=\"{3}\" {4}>{0}{1}{2}</div>").SpecialFormat(tableHtml, pagingHtml, javascriptHtml, classNames, othersAttributes);
result = MvcHtmlString.Create(wrappingDom);
return(result);
}
