gecko-dev/editor/base/EditTable.cpp

252 lines
7.7 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 "nsIDOMDocument.h"
#include "nsEditor.h"
#include "nsIDOMText.h"
#include "nsIDOMElement.h"
#include "nsIDOMAttr.h"
#include "nsIDOMNode.h"
#include "nsIDOMNodeList.h"
#include "nsIDOMRange.h"
#include "nsIDOMSelection.h"
#include "nsIAtom.h"
/*
#include "nsIDocument.h"
#include "nsIServiceManager.h"
#include "nsEditFactory.h"
#include "nsTextEditFactory.h"
#include "nsEditorCID.h"
#include "nsTransactionManagerCID.h"
#include "nsITransactionManager.h"
#include "nsIPresShell.h"
#include "nsIViewManager.h"
#include "nsICollection.h"
#include "nsIEnumerator.h"
#include "nsVoidArray.h"
#include "nsICaret.h"
*/
#include "nsITableCellLayout.h" // for temp method GetColIndexForCell, to be removed
// transactions the editor knows how to build
#include "TransactionFactory.h"
#include "EditAggregateTxn.h"
#include "InsertTableTxn.h"
#include "InsertTableCellTxn.h"
#include "InsertTableColumnTxn.h"
#include "InsertTableRowTxn.h"
#include "DeleteTableTxn.h"
#include "DeleteTableCellTxn.h"
#include "DeleteTableColumnTxn.h"
#include "DeleteTableRowTxn.h"
#include "JoinTableCellsTxn.h"
// Include after above so Transaction types are defined first
#include "nsHTMLEditor.h"
static NS_DEFINE_IID(kITransactionManagerIID, NS_ITRANSACTIONMANAGER_IID);
static NS_DEFINE_IID(kEditAggregateTxnIID, EDIT_AGGREGATE_TXN_IID);
static NS_DEFINE_IID(kInsertTableTxnIID, INSERT_TABLE_TXN_IID);
static NS_DEFINE_IID(kInsertTableCellTxnIID, INSERT_CELL_TXN_IID);
static NS_DEFINE_IID(kInsertTableColumnTxnIID, INSERT_COLUMN_TXN_IID);
static NS_DEFINE_IID(kInsertTableRowTxnIID, INSERT_ROW_TXN_IID);
static NS_DEFINE_IID(kDeleteTableTxnIID, DELETE_TABLE_TXN_IID);
static NS_DEFINE_IID(kDeleteTableCellTxnIID, DELETE_CELL_TXN_IID);
static NS_DEFINE_IID(kDeleteTableColumnTxnIID, DELETE_COLUMN_TXN_IID);
static NS_DEFINE_IID(kDeleteTableRowTxnIID, DELETE_ROW_TXN_IID);
static NS_DEFINE_IID(kJoinTableCellsTxnIID, JOIN_CELLS_TXN_IID);
// Table Editing methods -- for testing, hooked up to Tool Menu items
// Modeled after nsEditor::InsertText()
NS_IMETHODIMP nsHTMLEditor::InsertTable()
{
nsresult result=NS_ERROR_NOT_INITIALIZED;
//#if 0
result = nsEditor::BeginTransaction();
nsCOMPtr<nsIDOMNode> newNode;
nsAutoString tag("table");
result = DeleteSelectionAndCreateNode(tag, getter_AddRefs(newNode));
if( NS_SUCCEEDED(result))
{
nsAutoString tag("tr");
nsCOMPtr<nsIDOMNode> ParentNode;
ParentNode = newNode;
result = nsEditor::CreateNode(tag, ParentNode, 0, getter_AddRefs(newNode));
if( NS_SUCCEEDED(result))
{
nsAutoString tag("td");
ParentNode = newNode;
result = nsEditor::CreateNode(tag, ParentNode, 0, getter_AddRefs(newNode));
}
}
result = nsEditor::EndTransaction();
//#endif
return result;
}
NS_IMETHODIMP nsHTMLEditor::CreateTxnForInsertTable(const nsIDOMElement *aTableNode, InsertTableTxn ** aTxn)
{
if( aTableNode == nsnull || aTxn == nsnull )
{
return NS_ERROR_NULL_POINTER;
}
// DELETE THIS AFTER IMPLEMENTING METHOD
nsresult result = NS_ERROR_NOT_IMPLEMENTED;
#if 0
nsresult result = NS_ERROR_UNEXPECTED;
nsCOMPtr<nsIDOMSelection> selection;
result = mPresShell->GetSelection(getter_AddRefs(selection));
if ((NS_SUCCEEDED(result)) && selection)
{
nsCOMPtr<nsIEnumerator> enumerator;
enumerator = selection;
if (enumerator)
{
enumerator->First();
nsISupports *currentItem;
result = enumerator->CurrentItem(&currentItem);
if ((NS_SUCCEEDED(result)) && (nsnull!=currentItem))
{
result = NS_ERROR_UNEXPECTED;
// XXX: we'll want to deleteRange if the selection isn't just an insertion point
// for now, just insert text after the start of the first node
nsCOMPtr<nsIDOMRange> range(currentItem);
if (range)
{
nsCOMPtr<nsIDOMNode> node;
result = range->GetStartParent(getter_AddRefs(node));
if ((NS_SUCCEEDED(result)) && (node))
{
result = NS_ERROR_UNEXPECTED;
nsCOMPtr<nsIDOMCharacterData> nodeAsText(node);
if (nodeAsText)
{
PRInt32 offset;
range->GetStartOffset(&offset);
result = TransactionFactory::GetNewTransaction(kInsertTableTxnIID, (EditTxn **)aTxn);
if (nsnull!=*aTxn) {
result = (*aTxn)->Init(nodeAsText, offset, aTableNode, mPresShell);
}
else
result = NS_ERROR_OUT_OF_MEMORY;
}
}
}
}
}
}
#endif
return result;
}
NS_IMETHODIMP nsHTMLEditor::InsertTableCell(PRInt32 aNumber, PRBool aAfter)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsHTMLEditor::InsertTableColumn(PRInt32 aNumber, PRBool aAfter)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsHTMLEditor::InsertTableRow(PRInt32 aNumber, PRBool aAfter)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsHTMLEditor::DeleteTable()
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsHTMLEditor::DeleteTableCell(PRInt32 aNumber)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsHTMLEditor::DeleteTableColumn(PRInt32 aNumber)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsHTMLEditor::DeleteTableRow(PRInt32 aNumber)
{
nsresult result=NS_ERROR_NOT_INITIALIZED;
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsHTMLEditor::JoinTableCells(PRBool aCellToRight)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsHTMLEditor::GetColIndexForCell(nsIDOMNode *aCellNode, PRInt32 &aCellIndex)
{
nsresult result=NS_ERROR_NOT_INITIALIZED;
aCellIndex=0; // initialize out param
result = NS_ERROR_FAILURE; // we return an error unless we get the index
nsISupports *layoutObject=nsnull; // frames are not ref counted, so don't use an nsCOMPtr
result = nsEditor::GetLayoutObject(aCellNode, &layoutObject);
if ((NS_SUCCEEDED(result)) && (nsnull!=layoutObject))
{ // get the table cell interface from the frame
nsITableCellLayout *cellLayoutObject=nsnull; // again, frames are not ref-counted
result = layoutObject->QueryInterface(nsITableCellLayout::GetIID(), (void**)(&cellLayoutObject));
if ((NS_SUCCEEDED(result)) && (nsnull!=cellLayoutObject))
{ // get the index
result = cellLayoutObject->GetColIndex(aCellIndex);
}
}
return result;
}
NS_IMETHODIMP nsHTMLEditor::GetRowIndexForCell(nsIDOMNode *aCellNode, PRInt32 &aCellIndex)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsHTMLEditor::GetFirstCellInColumn(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aFirstCellNode)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsHTMLEditor::GetNextCellInColumn(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aNextCellNode)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsHTMLEditor::GetFirstCellInRow(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aCellNode)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsHTMLEditor::GetNextCellInRow(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aNextCellNode)
{
return NS_ERROR_NOT_IMPLEMENTED;
}