mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 06:05:44 +00:00
128 lines
3.4 KiB
C++
128 lines
3.4 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.
|
|
*/
|
|
|
|
#include "JoinTableCellsTxn.h"
|
|
#include "nsEditor.h"
|
|
#include "nsIDOMCharacterData.h"
|
|
#include "nsIDOMSelection.h"
|
|
#include "nsIPresShell.h"
|
|
#include "EditAggregateTxn.h"
|
|
|
|
static NS_DEFINE_IID(kJoinTableCellsTxnIID, JOIN_CELLS_TXN_IID);
|
|
static NS_DEFINE_IID(kIDOMSelectionIID, NS_IDOMSELECTION_IID);
|
|
|
|
nsIAtom *JoinTableCellsTxn::gJoinTableCellsTxnName;
|
|
|
|
nsresult JoinTableCellsTxn::ClassInit()
|
|
{
|
|
if (nsnull==gJoinTableCellsTxnName)
|
|
gJoinTableCellsTxnName = NS_NewAtom("NS_JoinTableCellsTxn");
|
|
return NS_OK;
|
|
}
|
|
|
|
JoinTableCellsTxn::JoinTableCellsTxn()
|
|
: EditTxn()
|
|
{
|
|
}
|
|
|
|
JoinTableCellsTxn::~JoinTableCellsTxn()
|
|
{
|
|
}
|
|
|
|
NS_IMETHODIMP JoinTableCellsTxn::Init(nsIDOMCharacterData *aElement,
|
|
nsIDOMNode *aNode,
|
|
nsIPresShell* aPresShell)
|
|
{
|
|
mElement = do_QueryInterface(aElement);
|
|
mNodeToInsert = aNode;
|
|
mPresShell = aPresShell;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP JoinTableCellsTxn::Do(void)
|
|
{
|
|
//nsresult res = mElement->InsertData(mOffset, mStringToInsert);
|
|
// advance caret: This requires the presentation shell to get the selection.
|
|
nsresult res = NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
res = mPresShell->GetSelection(getter_AddRefs(selection));
|
|
if (NS_SUCCEEDED(res)) {
|
|
res = selection->Collapse(mElement, 0 /*mOffset+1*/ /*+mStringToInsert.Length()*/);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP JoinTableCellsTxn::Undo(void)
|
|
{
|
|
nsresult result = NS_ERROR_FAILURE;
|
|
#if 0
|
|
PRUint32 length = mStringToInsert.Length();
|
|
result = mElement->DeleteData(mOffset, length);
|
|
if (NS_SUCCEEDED(result))
|
|
{ // set the selection to the insertion point where the string was removed
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
result = mPresShell->GetSelection(getter_AddRefs(selection));
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = selection->Collapse(mElement, mOffset);
|
|
}
|
|
}
|
|
#endif
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP JoinTableCellsTxn::Write(nsIOutputStream *aOutputStream)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP JoinTableCellsTxn::GetUndoString(nsString **aString)
|
|
{
|
|
if (nsnull!=aString)
|
|
{
|
|
**aString="Remove Table";
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP JoinTableCellsTxn::GetRedoString(nsString **aString)
|
|
{
|
|
if (nsnull!=aString)
|
|
{
|
|
**aString="Insert Table";
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
/* ============= nsISupports implementation ====================== */
|
|
|
|
NS_IMETHODIMP
|
|
JoinTableCellsTxn::QueryInterface(REFNSIID aIID, void** aInstancePtr)
|
|
{
|
|
if (nsnull == aInstancePtr) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
if (aIID.Equals(kJoinTableCellsTxnIID)) {
|
|
*aInstancePtr = (void*)(JoinTableCellsTxn*)this;
|
|
NS_ADDREF_THIS();
|
|
return NS_OK;
|
|
}
|
|
return (EditTxn::QueryInterface(aIID, aInstancePtr));
|
|
}
|
|
|