protected override Action <ITextControl> ExecutePsiTransaction(ISolution solution, IProgressIndicator progress)
{
IXmlTagHeader tagHeader = GetTagHeader();
if (tagHeader == null)
{
return(null);
}
IXmlTag tag = XmlTagNavigator.GetByTagHeader(tagHeader);
if (tag == null)
{
return(null);
}
XmlElementFactory factory = XmlElementFactory.GetInstance(tag);
IXmlAttribute idAttr = factory.CreateAttributeForTag(tag, "id=\"\"");
tag.AddAttributeBefore(idAttr, null);
// continuation to do after transaction committed
return(textControl =>
// move cursor inside new created id attribute
textControl.Caret.MoveTo(idAttr.Value.GetDocumentRange().TextRange.StartOffset, CaretVisualPlacement.Generic));
}
public override bool IsAvailable(IUserDataHolder dataHolder)
{
// grab the tag we're on
IXmlTagHeader tagHeader = GetTagHeader();
if (tagHeader == null)
{
return(false);
}
// check if the attribute is already there (case-insensitive)
IXmlAttribute idAttr = tagHeader.GetAttribute(attr => StringComparer.OrdinalIgnoreCase.Equals(attr.AttributeName, "id"));
if (idAttr != null)
{
return(false);
}
return(true);
}
