private static string PagerButton(string content, int page, bool primary, RouteInfo <int> pagerRoute)
{
var button = new TagBuilder("a");
button.MergeAttribute("class", primary
? "btn btn-primary"
: "btn btn-default");
button.SetInnerText(content);
if (pagerRoute.Check(page))
{
button.MergeAttribute("href", pagerRoute.GetActionUrl(page));
}
return(button.ToString());
}
private static string PagerButton(int page, bool primary, RouteInfo <int> pagerRoute) => PagerButton(page.ToString(), page, primary, pagerRoute);
public static MvcHtmlString Table <T>(
this HtmlHelper helper,
PagedList <T> data,
string[] propertiesToSkip,
string rowIDProperty,
string divClass,
string tableClass,
RouteInfo <T> trClickRoute,
RouteInfo <T> editButtonRoute,
RouteInfo <int> pagerRoute,
params string[] headers
)
{
//All properties of type T
var properties = Utils.GetProperties <T>();
//Properties that are displayed (exclusions are in parameter propertiesToSkip)
var displayProperties = new List <PropertyInfo>();
//Property whose value will be put into tr's id attribute
PropertyInfo idProperty = null;
foreach (var prop in properties)
{
if (!propertiesToSkip.Contains(prop.Name))
{
displayProperties.Add(prop);
}
if (prop.Name == rowIDProperty)
{
idProperty = prop;
}
}
//<div class="divClass"></div>
var mainDiv = new TagBuilder("div");
mainDiv.AddCssClass(divClass);
//<table class="tableClass">
// <tr></tr>
// <tr></tr>
//</table>
var table = new TagBuilder("table");
table.AddCssClass(tableClass);
//<tr>
// <th></th>
// <th></th>
//</tr>
var headerRow = new TagBuilder("tr");
foreach (var header in headers)
{
//<th>Name</th>
var th = new TagBuilder("th");
th.SetInnerText(header);
headerRow.InnerHtml += th.ToString();
}
if (editButtonRoute != null)
{
headerRow.InnerHtml += new TagBuilder("th").ToString();
}
table.InnerHtml += headerRow.ToString();
foreach (var item in data.GetItemsFromCurrentPage())
{
//<tr>
// <td></td>
// <td></td>
//</tr>
var row = new TagBuilder("tr");
if (trClickRoute.Check(item))
{
row.MergeAttribute("onclick", $"location.href = '{trClickRoute.GetActionUrl(item)}'");
}
if (idProperty != null)
{
row.MergeAttribute("id", Utils.GetValue(idProperty, item)?.ToString());
}
foreach (var property in displayProperties)
{
//<td>Gustavo</td>
var td = new TagBuilder("td");
td.SetInnerText(Utils.GetValue(property, item)?.ToString());
row.InnerHtml += td.ToString();
}
if (editButtonRoute.Check(item))
{
var editButtonTD = new TagBuilder("td");
var button = new TagBuilder("a");
button.AddCssClass("btn btn-primary");
button.MergeAttribute("href", editButtonRoute.GetActionUrl(item));
button.SetInnerText("Edit");
editButtonTD.InnerHtml += button.ToString();
row.InnerHtml += editButtonTD.ToString();
}
table.InnerHtml += row.ToString();
} //foreach (<tr>)
var pager = new TagBuilder("div");
pager.MergeAttribute("class", "pager");
var buttonGroup = new TagBuilder("div");
buttonGroup.MergeAttribute("class", "btn-group");
#region Pager Logic
//flags whether or not to show first or last page buttons
var left = data.CurrentPage > pagerLeft + 1;
var right = data.PageCount > maxPageCount && (data.PageCount - data.CurrentPage) > pagerRight;
if (left)
{
pager.InnerHtml += PagerButton("<<", 1, true, pagerRoute);
}
//left most button (beside first page button)
var start = data.CurrentPage <= pagerLeft ? 1 : data.CurrentPage - pagerLeft;
//right most button (besided last page button)
var end = start + maxPageCount - 1;
//testing for edge cases
var endDiff = data.PageCount - end;
//example: PageCount = 30, end = 35 (start = 26)
//endDiff will be negative, that amount of pages needs to be added to the left
if (endDiff < 0)
{
//add the pages to the left (endDiff is negative)
start += endDiff;
//set the end to be equal to the PageCount
end = data.PageCount;
//edge case for the left side
if (start < 1)
{
start = 1;
}
}
for (int i = start; i <= end; i++)
{
buttonGroup.InnerHtml += PagerButton(i, i == data.CurrentPage, pagerRoute);
}
pager.InnerHtml += buttonGroup.ToString();
if (right)
{
pager.InnerHtml += PagerButton(">>", data.PageCount, true, pagerRoute);
}
#endregion
mainDiv.InnerHtml += table.ToString();
mainDiv.InnerHtml += pager.ToString();
return(new MvcHtmlString(mainDiv.ToString()));
}
