/// <summary>
/// Called by the framework when the component needs to be rendered as HTML.
/// </summary>
/// <param name="model">The model being rendered by the component.</param>
/// <returns>The component rendered as HTML.</returns>
public async Task <string> RenderAsync(Guid?model)
{
HtmlBuilder hb = new HtmlBuilder();
// dropdown
List <SelectionItem <string> > list;
list = (
from p in await PageDefinition.GetDesignedPagesAsync() orderby p.Url select
new SelectionItem <string> {
Text = p.Url,
Value = p.PageGuid.ToString(),
}).ToList <SelectionItem <string> >();
list.Insert(0, new SelectionItem <string> {
Text = __ResStr("select", "(select)"), Value = null
});
string ddList = await DropDownListComponent.RenderDropDownListAsync(this, (model ?? Guid.Empty).ToString(), list, null);
// link
YTagBuilder tag = new YTagBuilder("a");
PageDefinition page = null;
if (model != null)
{
page = await PageDefinition.LoadAsync((Guid)model);
}
tag.MergeAttribute("href", (page != null ? page.EvaluatedCanonicalUrl : ""));
tag.MergeAttribute("target", "_blank");
tag.MergeAttribute("rel", "nofollow noopener noreferrer");
tag.Attributes.Add(Basics.CssTooltip, __ResStr("linkTT", "Click to preview the page in a new window - not all pages can be displayed correctly and may require additional parameters"));
tag.InnerHtml = tag.InnerHtml + ImageHTML.BuildKnownIcon("#PagePreview", sprites: Info.PredefSpriteIcons);
string linkTag = tag.ToString(YTagRenderMode.Normal);
hb.Append($@"
<div id='{DivId}' class='yt_pageselection t_edit'>
<div class='t_select'>
{ddList.ToString()}
</div>
<div class='t_link'>
{linkTag}
</div>
<div class='t_description'>
</div>
</div>");
Manager.ScriptManager.AddLast($@"new YetaWF_ComponentsHTML.PageSelectionEditComponent('{DivId}');");
return(hb.ToString());
}