public override void CreateControls(DotvvmRequestContext context, DotvvmControl container)
{
var literal = new Literal();
literal.FormatString = FormatString;
literal.SetBinding(Literal.TextProperty, GetValueBinding(ValueBindingProperty));
container.Children.Add(literal);
}
public virtual void CreateHeaderControls(IDotvvmRequestContext context, GridView gridView, Action<string> sortCommand, HtmlGenericControl cell, IGridViewDataSet gridViewDataSet)
{
if (HeaderTemplate != null)
{
HeaderTemplate.BuildContent(context, cell);
return;
}
if (AllowSorting)
{
if (sortCommand == null)
{
throw new DotvvmControlException(this, "Cannot use column sorting where no sort command is specified. Either put IGridViewDataSet in the DataSource property of the GridView, or set the SortChanged command on the GridView to implement custom sorting logic!");
}
var sortExpression = GetSortExpression();
var linkButton = new LinkButton();
linkButton.SetValue(LinkButton.TextProperty, GetValueRaw(HeaderTextProperty));
cell.Children.Add(linkButton);
var bindingId = linkButton.GetValue(Internal.UniqueIDProperty) + "_sortBinding";
var binding = new CommandBindingExpression(h => sortCommand(sortExpression), bindingId);
linkButton.SetBinding(ButtonBase.ClickProperty, binding);
SetSortedCssClass(cell, gridViewDataSet);
}
else
{
var literal = new Literal();
literal.SetValue(Literal.TextProperty, GetValueRaw(HeaderTextProperty));
cell.Children.Add(literal);
}
}
protected override void RenderContents(IHtmlWriter writer, IDotvvmRequestContext context)
{
writer.AddKnockoutDataBind("css", "{ 'disabled': IsFirstPage() }");
firstLi.Render(writer, context);
writer.AddKnockoutDataBind("css", "{ 'disabled': IsFirstPage() }");
previousLi.Render(writer, context);
// render template
writer.WriteKnockoutForeachComment("NearPageIndexes");
// render page number
numbersPlaceHolder.Children.Clear();
HtmlGenericControl li;
if (!RenderLinkForCurrentPage)
{
writer.AddKnockoutDataBind("visible", "$data == $parent.PageIndex()");
writer.AddKnockoutDataBind("css", "{'active': $data == $parent.PageIndex()}");
li = new HtmlGenericControl("li");
var literal = new Literal();
literal.DataContext = 0;
literal.SetBinding(Literal.TextProperty, new ValueBindingExpression(vm => ((int)vm[0] + 1).ToString(), "$data + 1"));
li.Children.Add(literal);
numbersPlaceHolder.Children.Add(li);
li.Render(writer, context);
writer.AddKnockoutDataBind("visible", "$data != $parent.PageIndex()");
}
writer.AddKnockoutDataBind("css", "{ 'active': $data == $parent.PageIndex()}");
li = new HtmlGenericControl("li");
li.SetValue(Internal.PathFragmentProperty, "NearPageIndexes[$index]");
var link = new LinkButton();
li.Children.Add(link);
link.SetBinding(ButtonBase.TextProperty, new ValueBindingExpression(vm => ((int)vm[0] + 1).ToString(), "$data + 1"));
link.SetBinding(ButtonBase.ClickProperty, GoToThisPageCommand);
object enabledValue = HasValueBinding(EnabledProperty) ? (object)new ValueBindingExpression(h => GetValueBinding(EnabledProperty).Evaluate(this, EnabledProperty), "$pagerEnabled") : Enabled;
if (!true.Equals(enabledValue)) link.SetValue(LinkButton.EnabledProperty, enabledValue);
numbersPlaceHolder.Children.Add(li);
li.Render(writer, context);
writer.WriteKnockoutDataBindEndComment();
writer.AddKnockoutDataBind("css", "{ 'disabled': IsLastPage() }");
nextLi.Render(writer, context);
writer.AddKnockoutDataBind("css", "{ 'disabled': IsLastPage() }");
lastLi.Render(writer, context);
}
protected internal override void OnPreRender(Hosting.IDotvvmRequestContext context)
{
isFormattingRequired = !string.IsNullOrEmpty(FormatString) || ValueType != FormatValueType.Text || Literal.NeedsFormatting(GetValueBinding(TextProperty));
if (isFormattingRequired)
{
context.ResourceManager.AddCurrentCultureGlobalizationResource();
}
base.OnPreRender(context);
}
protected override void RenderContents(IHtmlWriter writer, RenderContext context)
{
writer.AddKnockoutDataBind("css", "{ 'disabled': IsFirstPage() }");
firstLi.Render(writer, context);
writer.AddKnockoutDataBind("css", "{ 'disabled': IsFirstPage() }");
previousLi.Render(writer, context);
// render template
writer.WriteKnockoutForeachComment("NearPageIndexes");
// render page number
numbersPlaceholder.Children.Clear();
HtmlGenericControl li;
if (!RenderLinkForCurrentPage)
{
writer.AddKnockoutDataBind("visible", "$data == $parent.PageIndex()");
li = new HtmlGenericControl("li");
var literal = new Literal();
literal.SetBinding(Literal.TextProperty, new ValueBindingExpression(vm => (int)vm[0] + 1, "$data + 1"));
li.Children.Add(literal);
numbersPlaceholder.Children.Add(li);
li.Render(writer, context);
writer.AddKnockoutDataBind("visible", "$data != $parent.PageIndex()");
}
writer.AddKnockoutDataBind("css", "{ 'active': $data == $parent.PageIndex()}");
li = new HtmlGenericControl("li");
li.SetValue(Internal.PathFragmentProperty, "NearPageIndexes[$index]");
var link = new LinkButton();
li.Children.Add(link);
link.SetBinding(ButtonBase.TextProperty, new ValueBindingExpression(vm => (int)vm[0] + 1, "$data + 1"));
link.SetBinding(ButtonBase.ClickProperty, GoToThisPageCommand);
numbersPlaceholder.Children.Add(li);
li.Render(writer, context);
writer.WriteKnockoutDataBindEndComment();
writer.AddKnockoutDataBind("css", "{ 'disabled': IsLastPage() }");
nextLi.Render(writer, context);
writer.AddKnockoutDataBind("css", "{ 'disabled': IsLastPage() }");
lastLi.Render(writer, context);
}
public virtual void CreateHeaderControls(DotvvmRequestContext context, GridView gridView, Action<string> sortCommand, HtmlGenericControl cell)
{
if (AllowSorting)
{
if (sortCommand == null)
{
throw new Exception("Cannot use column sorting where no sort command is specified. Either put IGridViewDataSet in the DataSource property of the GridView, or set the SortChanged command on the GridView to implement custom sorting logic!");
}
var sortExpression = GetSortExpression();
var linkButton = new LinkButton() { Text = HeaderText };
cell.Children.Add(linkButton);
var bindingId = linkButton.GetValue(Internal.UniqueIDProperty) + "_sortBinding";
var binding = new CommandBindingExpression((o, i) => { sortCommand(sortExpression); return null; }, bindingId);
linkButton.SetBinding(ButtonBase.ClickProperty, binding);
}
else
{
var literal = new Literal(HeaderText);
cell.Children.Add(literal);
}
}
