private void UpdateImageLink(string href, IHTMLElement ImgElement, ILinkOptions defaultOptions)
{
MshtmlMarkupServices markupServices = new MshtmlMarkupServices((IMarkupServicesRaw)ImgElement.document);
IHTMLElement parentElement = ImgElement.parentElement;
if (!(parentElement is IHTMLAnchorElement))
{
parentElement = markupServices.CreateElement(_ELEMENT_TAG_ID.TAGID_A, null);
MarkupRange range = markupServices.CreateMarkupRange();
range.MoveToElement(ImgElement, true);
markupServices.InsertElement(parentElement, range.Start, range.End);
//set the default target attribute for the new element
string target = defaultOptions.ShowInNewWindow ? "_blank" : null;
IHTMLAnchorElement htmlAnchorElement = (parentElement as IHTMLAnchorElement);
if (htmlAnchorElement.target != target) //don't set the target to null if its already null (avoids adding empty target attr)
{
htmlAnchorElement.target = target;
}
ImageViewer viewer = DhtmlImageViewers.GetImageViewer(DhtmlImageViewer);
if (viewer != null)
{
if (defaultOptions.UseImageViewer)
{
viewer.Apply(htmlAnchorElement, defaultOptions.ImageViewerGroupName);
}
}
}
parentElement.setAttribute("href", href, 0);
}
public static IHTMLElement WrapRangeInElement(MshtmlMarkupServices services, MarkupRange range, _ELEMENT_TAG_ID tagId, string attributes)
{
IHTMLElement newElement = services.CreateElement(tagId, attributes);
services.InsertElement(newElement, range.Start, range.End);
return(newElement);
}
private IHTMLElement WrapRangeInSpanElement(_ELEMENT_TAG_ID tagId, string attributes, MarkupRange spanRange)
{
MarkupRange insertionRange = _markupServices.CreateMarkupRange();
IHTMLElement newSpanElement = _markupServices.CreateElement(tagId, attributes);
//insert the new span element in front of the span content
insertionRange.Start.MoveToPointer(spanRange.Start);
insertionRange.End.MoveToPointer(spanRange.Start);
_markupServices.InsertElement(newSpanElement, insertionRange.Start, insertionRange.End);
//move the span content inside the new span element
insertionRange.Start.MoveAdjacentToElement(newSpanElement, _ELEMENT_ADJACENCY.ELEM_ADJ_AfterBegin);
spanRange.Start.MoveAdjacentToElement(newSpanElement, _ELEMENT_ADJACENCY.ELEM_ADJ_AfterEnd);
_markupServices.Move(spanRange.Start, spanRange.End, insertionRange.Start);
return(newSpanElement);
}
/// <summary>
/// Wraps the range from startPointer to endPointer with the given element (as long as the range is non-empty)
/// and then moves the pointers past the inserted element.
/// </summary>
/// <param name="element">The element to wrap the range in.</param>
/// <param name="markupServices">The MarkupServices for the start and end pointers.</param>
/// <param name="startPointer">Pointer to place the beginning of the element.</param>
/// <param name="endPointer">Pointer to place the end of the element.</param>
private void InsertElement(IHTMLElement element, MshtmlMarkupServices markupServices,
MarkupPointer startPointer, MarkupPointer endPointer)
{
Debug.Assert(startPointer.IsLeftOfOrEqualTo(endPointer), "Expected start to be left of or equal to end!");
Debug.Assert(HTMLElementHelper.ElementsAreEqual(startPointer.CurrentScope, endPointer.CurrentScope),
"Expected start and end to be in the same scope, otherwise resulting HTML will be invalid!");
if (startPointer.IsLeftOf(endPointer))
{
markupServices.InsertElement(element, startPointer, endPointer);
}
endPointer.Right(true);
startPointer.MoveToPointer(endPointer);
}
private IHTMLElement CreateNodeForCentering()
{
// Create markup services using the element's document that we are analyzing
MshtmlMarkupServices MarkupServices = new MshtmlMarkupServices(_element.document as IMarkupServicesRaw);
MarkupPointer end = MarkupServices.CreateMarkupPointer();
MarkupPointer start = MarkupServices.CreateMarkupPointer();
// Find the element that we will want to wrap.
IHTMLElement elementToEncapsulate = _element;
// If the elements parent is an A, we will also want to
// wrap the A and not just the image inside
if (_element.parentElement.tagName == "A")
{
elementToEncapsulate = _element.parentElement;
}
// Move the starting pointer to before the begining of the element we want to wrap
start.MoveAdjacentToElement(elementToEncapsulate, _ELEMENT_ADJACENCY.ELEM_ADJ_BeforeBegin);
// Find this elements parent
IHTMLElement3 currentBlockScope = start.CurrentBlockScope() as IHTMLElement3;
// If its parent is also the div that is around the post
// we need to actually create a new div and just put it around the element
// If it is splittable block, split it
// e.g "<DIV>Blah<IMG/>Blah</DIV>" => "<DIV>Blah</DIV><DIV><IMG/></DIV><DIV>Blah</DIV>"
if (!IsBodyElement(currentBlockScope))
{
// We are in a block that can be split so split it at the begining and end
MarkupHelpers.SplitBlockForInsertionOrBreakout(MarkupServices, null, start);
end.MoveAdjacentToElement(elementToEncapsulate, _ELEMENT_ADJACENCY.ELEM_ADJ_AfterEnd);
MarkupHelpers.SplitBlockForInsertionOrBreakout(MarkupServices, null, end);
// Position start back to the beginning of our element
start.MoveAdjacentToElement(elementToEncapsulate, _ELEMENT_ADJACENCY.ELEM_ADJ_BeforeBegin);
}
// Now we can wrap it in an P tag (centering node)
end.MoveAdjacentToElement(elementToEncapsulate, _ELEMENT_ADJACENCY.ELEM_ADJ_AfterEnd);
IHTMLElement centeringElement = MarkupServices.CreateElement(_ELEMENT_TAG_ID.TAGID_P, string.Empty);
MarkupServices.InsertElement(centeringElement, start, end);
return(centeringElement);
}
