/// <summary>
/// Grabs HTML copied in the clipboard and pastes it into the document (pulls in a copy of embedded content too)
/// </summary>
protected override bool DoInsertData(DataAction action, MarkupPointer begin, MarkupPointer end)
{
using (new WaitCursor())
{
try
{
string baseUrl = UrlHelper.GetBasePathUrl(DataMeister.HTMLData.SourceURL);
string html = DataMeister.HTMLData.HTMLSelection;
//Check to see if the selection has an incomplete unordered list
var finder = new IncompleteListFinder(html);
finder.Parse();
if ((!EditorContext.CleanHtmlOnPaste) || finder.HasIncompleteList)
{
using (IUndoUnit undoUnit = EditorContext.CreateInvisibleUndoUnit())
{
// Create a new MarkupContainer off of EditorContext's document that contains the source HTML
// with comments marking the start and end selection.
MarkupContainer sourceContainer = EditorContext.MarkupServices.ParseString(DataMeister.HTMLData.HTMLWithMarkers);
// MSHTML's ParseString implementation clears all the attributes on the <body> element, so we
// have to manually add them back in.
CopyBodyAttributes(DataMeister.HTMLData.HTMLWithMarkers, sourceContainer.Document.body);
MarkupRange sourceRange = FindMarkedFragment(sourceContainer.Document,
HTMLDataObject.START_FRAGMENT_MARKER, HTMLDataObject.END_FRAGMENT_MARKER);
MshtmlMarkupServices sourceContainerMarkupServices =
new MshtmlMarkupServices((IMarkupServicesRaw)sourceContainer.Document);
// Some applications may not add the correct fragment markers (e.g. copying from Fiddler from
// the Web Sessions view). We'll just select the entire <body> of the clipboard in this case.
if (sourceRange == null)
{
sourceRange = sourceContainerMarkupServices.CreateMarkupRange(sourceContainer.Document.body, false);
}
else
{
// Make sure that we don't try to copy just parts of a table/list. We need to include the
// parent table/list.
if (!EditorContext.CleanHtmlOnPaste)
{
ExpandToIncludeTables(sourceRange, sourceContainerMarkupServices);
}
ExpandToIncludeLists(sourceRange, sourceContainerMarkupServices);
}
if (sourceRange != null)
{
if (!EditorContext.CleanHtmlOnPaste)
{
// WinLive 273280: Alignment on a table acts like a float, which can throw off the layout of the rest of
// the document. If there is nothing before or after the table, then we can safely remove the alignment.
RemoveAlignmentIfSingleTable(sourceRange);
// Serialize the source HTML to a string while keeping the source formatting.
MarkupRange destinationRange = EditorContext.MarkupServices.CreateMarkupRange(begin.Clone(), end.Clone());
html = KeepSourceFormatting(sourceRange, destinationRange);
}
else
{
html = sourceRange.HtmlText;
}
}
undoUnit.Commit();
}
Trace.Assert(html != null, "Inline source CSS failed!");
}
if (html == null)
{
html = DataMeister.HTMLData.HTMLSelection;
}
if (IsPasteFromSharedCanvas(DataMeister))
{
if (action == DataAction.Copy)
{
// WinLive 96840 - Copying and pasting images within shared canvas should persist source
// decorator settings. "wlCopySrcUrl" is inserted while copy/pasting within canvas.
html = EditorContext.FixImageReferences(ImageCopyFixupHelper.FixupSourceUrlForCopy(html),
DataMeister.HTMLData.SourceURL);
}
}
else
{
html = EditorContext.FixImageReferences(html, DataMeister.HTMLData.SourceURL);
HtmlCleanupRule cleanupRule = HtmlCleanupRule.Normal;
if (IsOfficeHtml(DataMeister.HTMLData))
cleanupRule = HtmlCleanupRule.PreserveTables;
// In Mail, we want to preserve the style of the html that is on the clipboard
// Whereas in Writer we by default want to remove formatting so it looks like your blog theme
if (EditorContext.CleanHtmlOnPaste)
{
// optionally cleanup the html
html = EditorContext.HtmlGenerationService.CleanupHtml(html, baseUrl, cleanupRule);
}
else
{
html = HtmlCleaner.StripNamespacedTagsAndCommentsAndMarkupDirectives(html);
}
// standard fixups
html = EditorContext.HtmlGenerationService.GenerateHtmlFromHtmlFragment(html, baseUrl);
}
// insert the content
if (EditorContext.MarshalHtmlSupported)
EditorContext.InsertHtml(begin, end, html, DataMeister.HTMLData.SourceURL);
else if (EditorContext.MarshalTextSupported)
{
// This is called only in the case that we're attempting to marshal HTML, but only
// text is supported. In this case, we should down convert to text and provide that.
html = HTMLDocumentHelper.HTMLToPlainText(html);
EditorContext.InsertHtml(begin, end, html, DataMeister.HTMLData.SourceURL);
}
else
Debug.Assert(false, "Html being inserted when text or html isn't supported.");
// Now select what was just inserted
EditorContext.MarkupServices.CreateMarkupRange(begin, end).ToTextRange().select();
//place the caret at the end of the inserted content
//EditorContext.MoveCaretToMarkupPointer(end, true);
return true;
}
catch (Exception e)
{
//bugfix 1696, put exceptions into the trace log.
Trace.Fail("Exception while inserting HTML: " + e.Message, e.StackTrace);
return false;
}
}
}
