public override bool IsAvailable(IUserDataHolder cache)
{
IHtmlTagHeader tagHeader = GetTag();
if (tagHeader == null)
{
return(false);
}
// check if the attribute is already there (case-insensitive)
return(!tagHeader.Attributes.Any(a => a.AttributeName.Equals("id", StringComparison.OrdinalIgnoreCase)));
}
protected override Action <ITextControl> ExecutePsiTransaction(ISolution solution, IProgressIndicator progress)
{
IHtmlTagHeader tagHeader = GetTag();
if (tagHeader == null)
{
return(null);
}
// The easiest way to create an attribute is to create an HTML tag with an attribute in it
// and then get the attribute from the tag.
HtmlElementFactory factory = HtmlElementFactory.GetInstance(tagHeader.Language);
IHtmlTag dummy = factory.CreateHtmlTag("<tag id=\"\"/>", tagHeader);
ITagAttribute idAttr = dummy.Attributes.Single();
tagHeader.AddAttributeBefore(idAttr, null);
// continuation to do after transaction committed
return(textControl =>
// move cursor inside new created id attribute
textControl.Caret.MoveTo(idAttr.ValueElement.GetDocumentRange().TextRange.StartOffset, CaretVisualPlacement.Generic));
}
