pjs/editor/base/nsInsertHTMLTxn.cpp

125 строки
3.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
// THIS FILE IS CURRENTLY THOUGHT TO BE OBSOLETE.
// KEEPING AROUND FOR A FEW DAYS JUST TO MAKE SURE;
// BUT IT'S NO LONGER PART OF THE BUILD.
#include "nsIDOMDocumentFragment.h"
#include "nsInsertHTMLTxn.h"
#include "nsIDOMSelection.h"
#include "nsIContent.h"
#include "nsIDOMNSRange.h"
nsInsertHTMLTxn::nsInsertHTMLTxn() : EditTxn(), mSrc("")
{
}
NS_IMETHODIMP nsInsertHTMLTxn::Init(const nsString& aSrc, nsIEditor* aEditor)
{
if (!aEditor)
return NS_ERROR_NULL_POINTER;
mSrc = aSrc;
mEditor = do_QueryInterface(aEditor);
return NS_OK;
}
nsInsertHTMLTxn::~nsInsertHTMLTxn()
{
//NS_RELEASE(mStr); // do nsStrings have to be released?
}
NS_IMETHODIMP nsInsertHTMLTxn::Do(void)
{
nsCOMPtr<nsIDOMSelection>selection;
nsresult res = mEditor->GetSelection(getter_AddRefs(selection));
if (NS_SUCCEEDED(res) && selection)
{
// Get the first range in the selection, and save it in mRange:
res = selection->GetRangeAt(0, getter_AddRefs(mRange));
if (NS_SUCCEEDED(res))
{
nsCOMPtr<nsIDOMNSRange> nsrange (do_QueryInterface(mRange));
if (nsrange)
{
#ifdef DEBUG_akkana
char* str = mSrc.ToNewCString();
printf("Calling nsInsertHTMLTxn::Do(%s)\n", str);
delete[] str;
#endif /* DEBUG_akkana */
nsCOMPtr<nsIDOMDocumentFragment> docfrag;
res = nsrange->CreateContextualFragment(mSrc, getter_AddRefs(docfrag));
// Now we have to insert that document fragment in an undoable way
printf("Sorry, Insert HTML not fully written yet\n");
return NS_ERROR_NOT_IMPLEMENTED;
}
}
#ifdef DEBUG_akkana
else printf("nsInsertHTMLTxn::Do: Couldn't get selection range!\n");
#endif
}
return res;
}
NS_IMETHODIMP nsInsertHTMLTxn::Undo(void)
{
#ifdef DEBUG_akkana
printf("%p Undo Insert HTML\n", this);
#endif /* DEBUG_akkana */
if (!mRange)
return NS_ERROR_NULL_POINTER;
return mRange->DeleteContents();
}
NS_IMETHODIMP nsInsertHTMLTxn::Merge(PRBool *aDidMerge, nsITransaction *aTransaction)
{
if (nsnull != aDidMerge)
*aDidMerge=PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP nsInsertHTMLTxn::Write(nsIOutputStream *aOutputStream)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsInsertHTMLTxn::GetUndoString(nsString *aString)
{
if (nsnull!=aString)
{
*aString="Remove HTML: ";
}
return NS_OK;
}
NS_IMETHODIMP nsInsertHTMLTxn::GetRedoString(nsString *aString)
{
if (nsnull!=aString)
{
*aString="Insert HTML: ";
}
return NS_OK;
}