mirror of
https://github.com/mozilla/gecko-dev.git
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2745 lines
92 KiB
C++
2745 lines
92 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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*/
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#include "nsIDOMDocument.h"
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#include "nsEditor.h"
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#include "nsIDOMText.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMAttr.h"
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#include "nsIDOMNode.h"
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#include "nsIDOMNodeList.h"
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#include "nsIDOMRange.h"
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#include "nsIDOMSelection.h"
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#include "nsLayoutCID.h"
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#include "nsIContent.h"
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#include "nsIContentIterator.h"
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#include "nsIAtom.h"
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#include "nsIDOMHTMLTableElement.h"
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#include "nsIDOMHTMLTableCellElement.h"
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#include "nsITableCellLayout.h" // For efficient access to table cell
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#include "nsITableLayout.h" // data owned by the table and cell frames
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#include "nsHTMLEditor.h"
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#include "nsIFrameSelection.h" // For TABLESELECTION_ defines
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#include "nsVoidArray.h"
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#include "nsEditorUtils.h"
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//#define DEBUG_TABLE 1
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static NS_DEFINE_CID(kCContentIteratorCID, NS_CONTENTITERATOR_CID);
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/***************************************************************************
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* stack based helper class for restoring selection after table edit
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*/
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class nsSetSelectionAfterTableEdit
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{
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private:
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nsCOMPtr<nsITableEditor> mEd;
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nsCOMPtr<nsIDOMElement> mTable;
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PRInt32 mCol, mRow, mDirection, mSelected;
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public:
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nsSetSelectionAfterTableEdit(nsITableEditor *aEd, nsIDOMElement* aTable,
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PRInt32 aRow, PRInt32 aCol, PRInt32 aDirection,
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PRBool aSelected) :
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mEd(do_QueryInterface(aEd))
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{
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mTable = aTable;
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mRow = aRow;
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mCol = aCol;
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mDirection = aDirection;
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mSelected = aSelected;
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}
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~nsSetSelectionAfterTableEdit()
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{
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if (mEd)
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mEd->SetSelectionAfterTableEdit(mTable, mRow, mCol, mDirection, mSelected);
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}
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// This is needed to abort the caret reset in the destructor
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// when one method yields control to another
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void CancelSetCaret() {mEd = nsnull; mTable = nsnull;}
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};
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// Stack-class to turn on/off selection batching for table selection
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class nsSelectionBatcher
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{
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private:
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nsCOMPtr<nsIDOMSelection> mSelection;
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public:
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nsSelectionBatcher(nsIDOMSelection *aSelection) : mSelection(aSelection)
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{
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if (mSelection) mSelection->StartBatchChanges();
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}
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virtual ~nsSelectionBatcher()
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{
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if (mSelection) mSelection->EndBatchChanges();
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}
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};
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// Table Editing helper utilities (not exposed in IDL)
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NS_IMETHODIMP
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nsHTMLEditor::InsertCell(nsIDOMElement *aCell, PRInt32 aRowSpan, PRInt32 aColSpan,
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PRBool aAfter, PRBool aIsHeader, nsIDOMElement **aNewCell)
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{
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if (!aCell) return NS_ERROR_NULL_POINTER;
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if (aNewCell) *aNewCell = nsnull;
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// And the parent and offsets needed to do an insert
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nsCOMPtr<nsIDOMNode> cellParent;
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nsresult res = aCell->GetParentNode(getter_AddRefs(cellParent));
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if (NS_FAILED(res)) return res;
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if (!cellParent) return NS_ERROR_NULL_POINTER;
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PRInt32 cellOffset;
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res = GetChildOffset(aCell, cellParent, cellOffset);
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if (NS_FAILED(res)) return res;
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nsCOMPtr<nsIDOMElement> newCell;
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if (aIsHeader)
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res = CreateElementWithDefaults(NS_ConvertASCIItoUCS2("th"), getter_AddRefs(newCell));
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else
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res = CreateElementWithDefaults(NS_ConvertASCIItoUCS2("td"), getter_AddRefs(newCell));
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if(NS_FAILED(res)) return res;
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if(!newCell) return NS_ERROR_FAILURE;
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//Optional: return new cell created
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if (aNewCell)
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{
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*aNewCell = newCell.get();
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NS_ADDREF(*aNewCell);
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}
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if( aRowSpan > 1)
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{
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nsAutoString newRowSpan(aRowSpan);
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// Note: Do NOT use editor txt for this
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newCell->SetAttribute(NS_ConvertASCIItoUCS2("rowspan"), newRowSpan);
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}
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if( aColSpan > 1)
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{
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nsAutoString newColSpan(aColSpan);
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// Note: Do NOT use editor txt for this
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newCell->SetAttribute(NS_ConvertASCIItoUCS2("colspan"), newColSpan);
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}
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if(aAfter) cellOffset++;
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//Don't let Rules System change the selection
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nsAutoTxnsConserveSelection dontChangeSelection(this);
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return nsEditor::InsertNode(newCell, cellParent, cellOffset);
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}
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PRBool IsRowNode(nsCOMPtr<nsIDOMNode> &aNode)
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{
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nsCOMPtr<nsIAtom> atom;
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nsCOMPtr<nsIContent> content = do_QueryInterface(aNode);
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if (content)
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{
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content->GetTag(*getter_AddRefs(atom));
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if (atom && atom.get() == nsIEditProperty::tr)
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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NS_IMETHODIMP nsHTMLEditor::SetColSpan(nsIDOMElement *aCell, PRInt32 aColSpan)
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{
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if (!aCell) return NS_ERROR_NULL_POINTER;
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nsAutoString newSpan;
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newSpan.AppendInt(aColSpan, 10);
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nsAutoString colSpan; colSpan.AssignWithConversion("colspan");
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return SetAttribute(aCell, colSpan, newSpan);
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}
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NS_IMETHODIMP nsHTMLEditor::SetRowSpan(nsIDOMElement *aCell, PRInt32 aRowSpan)
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{
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if (!aCell) return NS_ERROR_NULL_POINTER;
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nsAutoString newSpan;
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newSpan.AppendInt(aRowSpan, 10);
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nsAutoString rowSpan; rowSpan.AssignWithConversion("rowspan");
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return SetAttribute(aCell, rowSpan, newSpan);
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}
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/****************************************************************/
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// Table Editing interface methods
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NS_IMETHODIMP
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nsHTMLEditor::InsertTableCell(PRInt32 aNumber, PRBool aAfter)
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{
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nsCOMPtr<nsIDOMElement> table;
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nsCOMPtr<nsIDOMElement> curCell;
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nsCOMPtr<nsIDOMNode> cellParent;
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PRInt32 cellOffset, startRowIndex, startColIndex;
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nsresult res = GetCellContext(nsnull,
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getter_AddRefs(table),
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getter_AddRefs(curCell),
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getter_AddRefs(cellParent), &cellOffset,
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&startRowIndex, &startColIndex);
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if (NS_FAILED(res)) return res;
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// Don't fail if no cell found
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if (!curCell) return NS_EDITOR_ELEMENT_NOT_FOUND;
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// Get more data for current cell in row we are inserting at (we need COLSPAN)
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PRInt32 curStartRowIndex, curStartColIndex, rowSpan, colSpan, actualRowSpan, actualColSpan;
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PRBool isSelected;
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res = GetCellDataAt(table, startRowIndex, startColIndex, *getter_AddRefs(curCell),
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curStartRowIndex, curStartColIndex, rowSpan, colSpan,
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actualRowSpan, actualColSpan, isSelected);
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if (NS_FAILED(res)) return res;
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if (!curCell) return NS_ERROR_FAILURE;
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PRInt32 newCellIndex = aAfter ? (startColIndex+colSpan) : startColIndex;
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//We control selection resetting after the insert...
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nsSetSelectionAfterTableEdit setCaret(this, table, startRowIndex, newCellIndex, ePreviousColumn, PR_FALSE);
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//...so suppress Rules System selection munging
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nsAutoTxnsConserveSelection dontChangeSelection(this);
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PRInt32 i;
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for (i = 0; i < aNumber; i++)
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{
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nsCOMPtr<nsIDOMElement> newCell;
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res = CreateElementWithDefaults(NS_ConvertASCIItoUCS2("td"), getter_AddRefs(newCell));
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if (NS_SUCCEEDED(res) && newCell)
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{
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if (aAfter) cellOffset++;
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res = nsEditor::InsertNode(newCell, cellParent, cellOffset);
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if(NS_FAILED(res)) break;
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}
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}
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return res;
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}
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NS_IMETHODIMP
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nsHTMLEditor::GetFirstRow(nsIDOMElement* aTableElement, nsIDOMElement* &aRow)
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{
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aRow = nsnull;
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nsCOMPtr<nsIDOMElement> tableElement;
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nsresult res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("table"), aTableElement, getter_AddRefs(tableElement));
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if (NS_FAILED(res)) return res;
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if (!tableElement) return NS_ERROR_NULL_POINTER;
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nsCOMPtr<nsIDOMNode>tableNode = do_QueryInterface(tableElement);
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if (!tableNode) return NS_ERROR_NULL_POINTER;
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nsCOMPtr<nsIDOMNode> tableChild;
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res = tableNode->GetFirstChild(getter_AddRefs(tableChild));
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if (NS_FAILED(res)) return res;
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while (tableChild)
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{
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nsCOMPtr<nsIContent> content = do_QueryInterface(tableChild);
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if (content)
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{
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nsCOMPtr<nsIDOMElement> element;
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nsCOMPtr<nsIAtom> atom;
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content->GetTag(*getter_AddRefs(atom));
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if (atom.get() == nsIEditProperty::tr)
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{
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// Found a row directly under <table>
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element = do_QueryInterface(tableChild);
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if(element)
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{
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aRow = element.get();
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NS_ADDREF(aRow);
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}
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return NS_OK;
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}
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// Look for row in one of the row container elements
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if (atom.get() == nsIEditProperty::tbody ||
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atom.get() == nsIEditProperty::thead ||
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atom.get() == nsIEditProperty::tfoot )
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{
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nsCOMPtr<nsIDOMNode> rowNode;
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// All children should be rows
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res = tableChild->GetFirstChild(getter_AddRefs(rowNode));
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if (NS_FAILED(res)) return res;
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if (rowNode && IsRowNode(rowNode))
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{
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element = do_QueryInterface(rowNode);
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if(element)
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{
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aRow = element.get();
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NS_ADDREF(aRow);
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}
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return NS_OK;
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}
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}
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}
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// Here if table child was a CAPTION or COLGROUP
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// or child of a row-conainer wasn't a row (bad HTML)
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// Look in next table child
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res = tableChild->GetNextSibling(getter_AddRefs(tableChild));
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};
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return res;
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}
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NS_IMETHODIMP
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nsHTMLEditor::GetNextRow(nsIDOMElement* aTableElement, nsIDOMElement* &aRow)
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{
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aRow = nsnull;
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nsCOMPtr<nsIDOMElement> rowElement;
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nsresult res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("tr"), aTableElement, getter_AddRefs(rowElement));
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if (NS_FAILED(res)) return res;
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if (!rowElement) return NS_ERROR_NULL_POINTER;
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nsCOMPtr<nsIDOMNode> rowNode = do_QueryInterface(rowElement);
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if (!rowNode) return NS_ERROR_NULL_POINTER;
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nsCOMPtr<nsIDOMNode> nextRow;
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nsCOMPtr<nsIDOMNode> rowParent;
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nsCOMPtr<nsIDOMNode> parentSibling;
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nsCOMPtr<nsIDOMElement> element;
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rowNode->GetNextSibling(getter_AddRefs(nextRow));
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if(nextRow)
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{
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element = do_QueryInterface(nextRow);
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if(element)
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{
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aRow = element.get();
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NS_ADDREF(aRow);
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}
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return NS_OK;
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}
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// No row found, search for rows in other table sections
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res = rowNode->GetParentNode(getter_AddRefs(rowParent));
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if(NS_FAILED(res)) return res;
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if (!rowParent) return NS_ERROR_NULL_POINTER;
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res = rowParent->GetNextSibling(getter_AddRefs(parentSibling));
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if(NS_FAILED(res)) return res;
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while (parentSibling)
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{
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res = parentSibling->GetFirstChild(getter_AddRefs(nextRow));
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if(NS_FAILED(res)) return res;
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if (nextRow && IsRowNode(nextRow))
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{
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element = do_QueryInterface(nextRow);
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if(element)
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{
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aRow = element.get();
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NS_ADDREF(aRow);
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}
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return NS_OK;
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}
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#ifdef DEBUG_cmanske
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printf("GetNextRow: firstChild of row's parent's sibling is not a TR!\n");
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#endif
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// We arrive here only if a table section has no children
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// or first child of section is not a row (bad HTML!)
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res = parentSibling->GetNextSibling(getter_AddRefs(parentSibling));
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}
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return res;
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}
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NS_IMETHODIMP
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nsHTMLEditor::InsertTableColumn(PRInt32 aNumber, PRBool aAfter)
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{
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nsCOMPtr<nsIDOMSelection> selection;
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nsCOMPtr<nsIDOMElement> table;
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nsCOMPtr<nsIDOMElement> curCell;
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PRInt32 startRowIndex, startColIndex;
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nsresult res = GetCellContext(getter_AddRefs(selection),
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getter_AddRefs(table),
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getter_AddRefs(curCell),
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nsnull, nsnull,
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&startRowIndex, &startColIndex);
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if (NS_FAILED(res)) return res;
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// Don't fail if no cell found
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if (!curCell) return NS_EDITOR_ELEMENT_NOT_FOUND;
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// Get more data for current cell (we need ROWSPAN)
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PRInt32 curStartRowIndex, curStartColIndex, rowSpan, colSpan, actualRowSpan, actualColSpan;
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PRBool isSelected;
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res = GetCellDataAt(table, startRowIndex, startColIndex, *getter_AddRefs(curCell),
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curStartRowIndex, curStartColIndex, rowSpan, colSpan,
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actualRowSpan, actualColSpan, isSelected);
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if (NS_FAILED(res)) return res;
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if (!curCell) return NS_ERROR_FAILURE;
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nsAutoEditBatch beginBatching(this);
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// Use column after current cell if requested
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if (aAfter)
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{
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startColIndex += colSpan;
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//Detect when user is adding after a COLSPAN=0 case
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// Assume they want to stop the "0" behavior and
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// really add a new column. Thus we set the
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// colspan to its true value
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if (colSpan == 0)
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SetColSpan(curCell, actualColSpan);
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}
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PRInt32 rowCount, colCount, rowIndex;
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res = GetTableSize(table, rowCount, colCount);
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if (NS_FAILED(res)) return res;
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//We reset caret in destructor...
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nsSetSelectionAfterTableEdit setCaret(this, table, startRowIndex, startColIndex, ePreviousRow, PR_FALSE);
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//.. so suppress Rules System selection munging
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nsAutoTxnsConserveSelection dontChangeSelection(this);
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nsCOMPtr<nsIDOMElement> rowElement;
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for ( rowIndex = 0; rowIndex < rowCount; rowIndex++)
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{
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if (startColIndex < colCount)
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{
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// We are inserting before an existing column
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res = GetCellDataAt(table, rowIndex, startColIndex, *getter_AddRefs(curCell),
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curStartRowIndex, curStartColIndex, rowSpan, colSpan,
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actualRowSpan, actualColSpan, isSelected);
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if (NS_FAILED(res)) return res;
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// Don't fail entire process if we fail to find a cell
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// (may fail just in particular rows with < adequate cells per row)
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if (curCell)
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{
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if (curStartColIndex < startColIndex)
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{
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// We have a cell spanning this location
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// Simply increase its colspan to keep table rectangular
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// Note: we do nothing if colsSpan=0,
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// since it should automatically span the new column
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if (colSpan > 0)
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SetColSpan(curCell, colSpan+aNumber);
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} else {
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// Simply set selection to the current cell
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// so we can let InsertTableCell() do the work
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// Insert a new cell before current one
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selection->Collapse(curCell, 0);
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res = InsertTableCell(aNumber, PR_FALSE);
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}
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}
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} else {
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// We are inserting after all existing columns
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//TODO: Make sure table is "well formed" (call NormalizeTable)
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// before appending new column
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// Get current row and append new cells after last cell in row
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if(rowIndex == 0)
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res = GetFirstRow(table.get(), *getter_AddRefs(rowElement));
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else
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res = GetNextRow(rowElement.get(), *getter_AddRefs(rowElement));
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if (NS_FAILED(res)) return res;
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nsCOMPtr<nsIDOMNode> lastCell;
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nsCOMPtr<nsIDOMNode> rowNode = do_QueryInterface(rowElement);
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if (!rowElement) return NS_ERROR_FAILURE;
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res = rowElement->GetLastChild(getter_AddRefs(lastCell));
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if (NS_FAILED(res)) return res;
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if (!lastCell) return NS_ERROR_FAILURE;
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curCell = do_QueryInterface(lastCell);
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if (curCell)
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{
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// Simply add same number of cells to each row
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// Although tempted to check cell indexes for curCell,
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// the effects of COLSPAN>1 in some cells makes this futile!
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// We must use NormalizeTable first to assure proper
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// that there are cells in each cellmap location
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selection->Collapse(curCell, 0);
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res = InsertTableCell(aNumber, PR_TRUE);
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}
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}
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}
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return res;
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}
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NS_IMETHODIMP
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nsHTMLEditor::InsertTableRow(PRInt32 aNumber, PRBool aAfter)
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{
|
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nsCOMPtr<nsIDOMSelection> selection;
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nsCOMPtr<nsIDOMElement> table;
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nsCOMPtr<nsIDOMElement> curCell;
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PRInt32 startRowIndex, startColIndex;
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nsresult res = GetCellContext(nsnull,
|
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getter_AddRefs(table),
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getter_AddRefs(curCell),
|
|
nsnull, nsnull,
|
|
&startRowIndex, &startColIndex);
|
|
if (NS_FAILED(res)) return res;
|
|
// Don't fail if no cell found
|
|
if (!curCell) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
// Get more data for current cell in row we are inserting at (we need COLSPAN)
|
|
PRInt32 curStartRowIndex, curStartColIndex, rowSpan, colSpan, actualRowSpan, actualColSpan;
|
|
PRBool isSelected;
|
|
res = GetCellDataAt(table, startRowIndex, startColIndex, *getter_AddRefs(curCell),
|
|
curStartRowIndex, curStartColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!curCell) return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMElement> parentRow;
|
|
res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("tr"), curCell, getter_AddRefs(parentRow));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!parentRow) return NS_ERROR_NULL_POINTER;
|
|
|
|
PRInt32 rowCount, colCount;
|
|
res = GetTableSize(table, rowCount, colCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Get the parent and offset where we will insert new row(s)
|
|
nsCOMPtr<nsIDOMNode> parentOfRow;
|
|
PRInt32 newRowOffset;
|
|
parentRow->GetParentNode(getter_AddRefs(parentOfRow));
|
|
if (!parentOfRow) return NS_ERROR_NULL_POINTER;
|
|
res = GetChildOffset(parentRow, parentOfRow, newRowOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!parentOfRow) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsAutoEditBatch beginBatching(this);
|
|
|
|
if (aAfter)
|
|
{
|
|
// Use row after current cell
|
|
startRowIndex += actualRowSpan;
|
|
// offset to use for new row insert
|
|
newRowOffset += actualRowSpan;
|
|
|
|
//Detect when user is adding after a ROWSPAN=0 case
|
|
// Assume they want to stop the "0" behavior and
|
|
// really add a new row. Thus we set the
|
|
// rowspan to its true value
|
|
if (rowSpan == 0)
|
|
SetRowSpan(curCell, actualRowSpan);
|
|
}
|
|
|
|
//We control selection resetting after the insert...
|
|
nsSetSelectionAfterTableEdit setCaret(this, table, startRowIndex, startColIndex, ePreviousColumn, PR_FALSE);
|
|
//...so suppress Rules System selection munging
|
|
nsAutoTxnsConserveSelection dontChangeSelection(this);
|
|
|
|
PRInt32 cellsInRow = 0;
|
|
if (startRowIndex < rowCount)
|
|
{
|
|
// We are inserting above an existing row
|
|
// Get each cell in the insert row to adjust for COLSPAN effects while we
|
|
// count how many cells are needed
|
|
PRInt32 colIndex = 0;
|
|
// This returns NS_TABLELAYOUT_CELL_NOT_FOUND when we run past end of row,
|
|
// which passes the NS_SUCCEEDED macro
|
|
while ( NS_OK == GetCellDataAt(table, newRowOffset, colIndex, *getter_AddRefs(curCell),
|
|
curStartRowIndex, curStartColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected) )
|
|
{
|
|
if (curCell)
|
|
{
|
|
if (curStartRowIndex < startRowIndex)
|
|
{
|
|
// We have a cell spanning this location
|
|
// Simply increase its rowspan
|
|
//Note that if rowSpan == 0, we do nothing,
|
|
// since that cell should automatically extend into the new row
|
|
if (rowSpan > 0)
|
|
SetRowSpan(curCell, rowSpan+aNumber);
|
|
} else {
|
|
// Count the number of cells we need to add to the new row
|
|
cellsInRow += actualColSpan;
|
|
}
|
|
// Next cell in row
|
|
colIndex += actualColSpan;
|
|
}
|
|
else
|
|
colIndex++;
|
|
}
|
|
} else {
|
|
// We are adding a new row after all others
|
|
// If it weren't for colspan=0 effect,
|
|
// we could simply use colCount for number of new cells...
|
|
cellsInRow = colCount;
|
|
|
|
// ...but we must compensate for all cells with rowSpan = 0 in the last row
|
|
PRInt32 lastRow = rowCount-1;
|
|
PRInt32 tempColIndex = 0;
|
|
while ( NS_OK == GetCellDataAt(table, lastRow, tempColIndex, *getter_AddRefs(curCell),
|
|
curStartRowIndex, curStartColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected) )
|
|
{
|
|
if (rowSpan == 0)
|
|
cellsInRow -= actualColSpan;
|
|
|
|
tempColIndex += actualColSpan;
|
|
}
|
|
}
|
|
|
|
if (cellsInRow > 0)
|
|
{
|
|
for (PRInt32 row = 0; row < aNumber; row++)
|
|
{
|
|
// Create a new row
|
|
nsCOMPtr<nsIDOMElement> newRow;
|
|
res = CreateElementWithDefaults(NS_ConvertASCIItoUCS2("tr"), getter_AddRefs(newRow));
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
if (!newRow) return NS_ERROR_FAILURE;
|
|
|
|
for (PRInt32 i = 0; i < cellsInRow; i++)
|
|
{
|
|
nsCOMPtr<nsIDOMElement> newCell;
|
|
res = CreateElementWithDefaults(NS_ConvertASCIItoUCS2("td"), getter_AddRefs(newCell));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!newCell) return NS_ERROR_FAILURE;
|
|
|
|
// Don't use transaction system yet! (not until entire row is inserted)
|
|
nsCOMPtr<nsIDOMNode>resultNode;
|
|
res = newRow->AppendChild(newCell, getter_AddRefs(resultNode));
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
// Use transaction system to insert the entire row+cells
|
|
// (Note that rows are inserted at same childoffset each time)
|
|
res = nsEditor::InsertNode(newRow, parentOfRow, newRowOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
// Editor helper only
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::DeleteTable2(nsCOMPtr<nsIDOMElement> &aTable, nsCOMPtr<nsIDOMSelection> &aSelection)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> tableParent;
|
|
PRInt32 tableOffset;
|
|
if(NS_FAILED(aTable->GetParentNode(getter_AddRefs(tableParent))) || !tableParent)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Save offset we need to restore the selection
|
|
if(NS_FAILED(GetChildOffset(aTable, tableParent, tableOffset)))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsresult res = DeleteNode(aTable);
|
|
|
|
// Place selection just before the table
|
|
aSelection->Collapse(tableParent, tableOffset);
|
|
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::DeleteTable()
|
|
{
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
nsresult res = GetCellContext(getter_AddRefs(selection),
|
|
getter_AddRefs(table),
|
|
nsnull, nsnull, nsnull, nsnull, nsnull);
|
|
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
nsAutoEditBatch beginBatching(this);
|
|
res = DeleteTable2(table, selection);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::DeleteTableCell(PRInt32 aNumber)
|
|
{
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
PRInt32 startRowIndex, startColIndex;
|
|
|
|
nsresult res = nsEditor::GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_FAILURE;
|
|
|
|
nsAutoEditBatch beginBatching(this);
|
|
|
|
for (PRInt32 i = 0; i < aNumber; i++)
|
|
{
|
|
res = GetCellContext(getter_AddRefs(selection),
|
|
getter_AddRefs(table),
|
|
getter_AddRefs(cell),
|
|
nsnull, nsnull,
|
|
&startRowIndex, &startColIndex);
|
|
if (NS_FAILED(res)) return res;
|
|
// Don't fail if no cell found
|
|
if (!cell) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
if (1 == GetNumberOfCellsInRow(table, startRowIndex))
|
|
{
|
|
nsCOMPtr<nsIDOMElement> parentRow;
|
|
res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("tr"), cell, getter_AddRefs(parentRow));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!parentRow) return NS_ERROR_NULL_POINTER;
|
|
|
|
// We should delete the row instead,
|
|
// but first check if its the only row left
|
|
// so we can delete the entire table
|
|
PRInt32 rowCount, colCount;
|
|
res = GetTableSize(table, rowCount, colCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (rowCount == 1)
|
|
return DeleteTable2(table, selection);
|
|
|
|
// We need to call DeleteTableRow to handle cells with rowspan
|
|
res = DeleteTableRow(1);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else
|
|
{
|
|
// More than 1 cell in the row
|
|
|
|
// We clear the selection to avoid problems when nodes in the selection are deleted,
|
|
// The setCaret object will call SetSelectionAfterTableEdit in it's destructor
|
|
selection->ClearSelection();
|
|
nsSetSelectionAfterTableEdit setCaret(this, table, startRowIndex, startColIndex, ePreviousColumn, PR_FALSE);
|
|
nsAutoTxnsConserveSelection dontChangeSelection(this);
|
|
|
|
res = DeleteNode(cell);
|
|
// If we fail, don't try to delete any more cells???
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::DeleteTableCellContents()
|
|
{
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
PRInt32 startRowIndex, startColIndex;
|
|
nsresult res = NS_OK;
|
|
|
|
res = GetCellContext(getter_AddRefs(selection),
|
|
getter_AddRefs(table),
|
|
getter_AddRefs(cell),
|
|
nsnull, nsnull,
|
|
&startRowIndex, &startColIndex);
|
|
if (NS_FAILED(res)) return res;
|
|
// Don't fail if no cell found
|
|
if (!cell) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
// We clear the selection to avoid problems when nodes in the selection are deleted,
|
|
selection->ClearSelection();
|
|
nsSetSelectionAfterTableEdit setCaret(this, table, startRowIndex, startColIndex, ePreviousColumn, PR_FALSE);
|
|
//Don't let Rules System change the selection
|
|
nsAutoTxnsConserveSelection dontChangeSelection(this);
|
|
|
|
nsAutoEditBatch beginBatching(this);
|
|
|
|
nsCOMPtr<nsIDOMNodeList> nodeList;
|
|
res = cell->GetChildNodes(getter_AddRefs(nodeList));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (!nodeList) return NS_ERROR_FAILURE;
|
|
PRUint32 nodeListLength;
|
|
res = nodeList->GetLength(&nodeListLength);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
for (PRUint32 i = 0; i < nodeListLength; i++)
|
|
{
|
|
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
res = cell->GetLastChild(getter_AddRefs(child));
|
|
if (NS_FAILED(res)) return res;
|
|
res = DeleteNode(child);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::DeleteTableColumn(PRInt32 aNumber)
|
|
{
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
PRInt32 startRowIndex, startColIndex;
|
|
PRInt32 rowCount, colCount;
|
|
nsresult res = NS_OK;
|
|
|
|
res = GetCellContext(getter_AddRefs(selection),
|
|
getter_AddRefs(table),
|
|
getter_AddRefs(cell),
|
|
nsnull, nsnull,
|
|
&startRowIndex, &startColIndex);
|
|
if (NS_FAILED(res)) return res;
|
|
// Don't fail if no cell found
|
|
if (!cell) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
res = GetTableSize(table, rowCount, colCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Shortcut the case of deleting all columns in table
|
|
if(startColIndex == 0 && aNumber >= colCount)
|
|
return DeleteTable2(table, selection);
|
|
|
|
nsAutoEditBatch beginBatching(this);
|
|
|
|
// Check for counts too high
|
|
aNumber = PR_MIN(aNumber,(colCount-startColIndex));
|
|
|
|
// Scan through cells in row to do rowspan adjustments
|
|
nsCOMPtr<nsIDOMElement> curCell;
|
|
PRInt32 curStartRowIndex, curStartColIndex, rowSpan, colSpan, actualRowSpan, actualColSpan;
|
|
PRBool isSelected;
|
|
PRInt32 rowIndex = 0;
|
|
|
|
for (PRInt32 i = 0; i < aNumber; i++)
|
|
{
|
|
do {
|
|
res = GetCellDataAt(table, rowIndex, startColIndex, *getter_AddRefs(curCell),
|
|
curStartRowIndex, curStartColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (curCell)
|
|
{
|
|
// This must always be >= 1
|
|
NS_ASSERTION((actualRowSpan > 0),"Actual ROWSPAN = 0 in DeleteTableColumn");
|
|
|
|
// Find cells that don't start in column we are deleting
|
|
if (curStartColIndex < startColIndex || colSpan > 1 || colSpan == 0)
|
|
{
|
|
// We have a cell spanning this location
|
|
// Decrease its colspan to keep table rectangular,
|
|
// but if colSpan=0, it will adjust automatically
|
|
if (colSpan > 0)
|
|
{
|
|
NS_ASSERTION((colSpan > 1),"Bad COLSPAN in DeleteTableColumn");
|
|
SetColSpan(curCell,colSpan-1);
|
|
}
|
|
if (curStartColIndex == startColIndex)
|
|
{
|
|
// Cell is in column to be deleted,
|
|
// but delete contents of cell instead of cell itself
|
|
selection->Collapse(curCell,0);
|
|
DeleteTableCellContents();
|
|
}
|
|
// To next cell in column
|
|
rowIndex += actualRowSpan;
|
|
} else {
|
|
// Delete the cell
|
|
if (1 == GetNumberOfCellsInRow(table, rowIndex))
|
|
{
|
|
// Only 1 cell in row - delete the row
|
|
nsCOMPtr<nsIDOMElement> parentRow;
|
|
res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("tr"), cell, getter_AddRefs(parentRow));
|
|
if (NS_FAILED(res)) return res;
|
|
if(!parentRow) return NS_ERROR_NULL_POINTER;
|
|
|
|
// But first check if its the only row left
|
|
// so we can delete the entire table
|
|
// (This should never happen but it's the safe thing to do)
|
|
PRInt32 rowCount, colCount;
|
|
res = GetTableSize(table, rowCount, colCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (rowCount == 1)
|
|
return DeleteTable2(table, selection);
|
|
|
|
// Delete the row by placing caret in cell we were to delete
|
|
// We need to call DeleteTableRow to handle cells with rowspan
|
|
selection->Collapse(cell,0);
|
|
res = DeleteTableRow(1);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Note that we don't incremenet rowIndex
|
|
// since a row was deleted and "next"
|
|
// row now has current rowIndex
|
|
} else {
|
|
|
|
selection->ClearSelection();
|
|
nsSetSelectionAfterTableEdit setCaret(this, table, curStartRowIndex, curStartColIndex,
|
|
ePreviousColumn, PR_FALSE);
|
|
//Don't let Rules System change the selection
|
|
nsAutoTxnsConserveSelection dontChangeSelection(this);
|
|
|
|
res = DeleteNode(curCell);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
//Skipover any rows spanned by this cell
|
|
rowIndex += actualRowSpan;
|
|
}
|
|
}
|
|
}
|
|
} while (curCell);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::DeleteTableRow(PRInt32 aNumber)
|
|
{
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
PRInt32 startRowIndex, startColIndex;
|
|
PRInt32 rowCount, colCount;
|
|
nsresult res = NS_OK;
|
|
|
|
res = GetCellContext(getter_AddRefs(selection),
|
|
getter_AddRefs(table),
|
|
getter_AddRefs(cell),
|
|
nsnull, nsnull,
|
|
&startRowIndex, &startColIndex);
|
|
if (NS_FAILED(res)) return res;
|
|
// Don't fail if no cell found
|
|
if (!cell) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
res = GetTableSize(table, rowCount, colCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Shortcut the case of deleting all rows in table
|
|
if(startRowIndex == 0 && aNumber >= rowCount)
|
|
return DeleteTable2(table, selection);
|
|
|
|
nsAutoEditBatch beginBatching(this);
|
|
|
|
//We control selection resetting after the insert...
|
|
nsSetSelectionAfterTableEdit setCaret(this, table, startRowIndex, startColIndex, ePreviousRow, PR_FALSE);
|
|
|
|
// Check for counts too high
|
|
aNumber = PR_MIN(aNumber,(rowCount-startRowIndex));
|
|
|
|
// We clear the selection to avoid problems when nodes in the selection are deleted,
|
|
// Be sure to set it correctly later (in SetSelectionAfterTableEdit)!
|
|
selection->ClearSelection();
|
|
|
|
// Scan through cells in row to do rowspan adjustments
|
|
nsCOMPtr<nsIDOMElement> curCell;
|
|
PRInt32 curStartRowIndex, curStartColIndex, rowSpan, colSpan, actualRowSpan, actualColSpan;
|
|
PRBool isSelected;
|
|
PRInt32 colIndex = 0;
|
|
do {
|
|
res = GetCellDataAt(table, startRowIndex, colIndex, *getter_AddRefs(curCell),
|
|
curStartRowIndex, curStartColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
|
|
// We don't fail if we don't find a cell, so this must be real bad
|
|
if(NS_FAILED(res)) return res;
|
|
|
|
// Find cells that don't start in row we are deleting
|
|
if (curCell)
|
|
{
|
|
//Real colspan must always be >= 1
|
|
NS_ASSERTION((actualColSpan > 0),"Effective COLSPAN = 0 in DeleteTableRow");
|
|
if (curStartRowIndex < startRowIndex)
|
|
{
|
|
// We have a cell spanning this location
|
|
// Decrease its rowspan to keep table rectangular
|
|
// but we don't need to do this if rowspan=0,
|
|
// since it will automatically adjust
|
|
if (rowSpan > 0)
|
|
SetRowSpan(curCell, PR_MAX((startRowIndex - curStartRowIndex), actualRowSpan - aNumber));
|
|
}
|
|
// Skip over locations spanned by this cell
|
|
colIndex += actualColSpan;
|
|
}
|
|
} while (curCell);
|
|
|
|
for (PRInt32 i = 0; i < aNumber; i++)
|
|
{
|
|
//TODO: To minimize effect of deleting cells that have rowspan > 1:
|
|
// Scan for rowspan > 1 and insert extra emtpy cells in
|
|
// appropriate rows to take place of spanned regions.
|
|
// (Hard part is finding appropriate neighbor cell before/after in correct row)
|
|
|
|
// Delete the row
|
|
nsCOMPtr<nsIDOMElement> parentRow;
|
|
res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("tr"), cell, getter_AddRefs(parentRow));
|
|
if (NS_SUCCEEDED(res) && parentRow)
|
|
res = DeleteNode(parentRow);
|
|
if (NS_FAILED(res))
|
|
startRowIndex++;
|
|
|
|
res = GetCellAt(table, startRowIndex, startColIndex, *getter_AddRefs(cell));
|
|
if(!cell)
|
|
break;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SelectTable()
|
|
{
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
nsresult res = NS_ERROR_FAILURE;
|
|
res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("table"), nsnull, getter_AddRefs(table));
|
|
if (NS_FAILED(res)) return res;
|
|
// Don't fail if we didn't find a table
|
|
if (!table) return NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMNode> tableNode = do_QueryInterface(table);
|
|
if (tableNode)
|
|
{
|
|
res = ClearSelection();
|
|
if (NS_SUCCEEDED(res))
|
|
res = AppendNodeToSelectionAsRange(table);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SelectTableCell()
|
|
{
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
nsresult res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("td"), nsnull, getter_AddRefs(cell));
|
|
if (NS_FAILED(res)) return res;
|
|
// Don't fail if we didn't find a table
|
|
if (!cell) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
nsCOMPtr<nsIDOMNode> cellNode = do_QueryInterface(cell);
|
|
if (cellNode)
|
|
{
|
|
res = ClearSelection();
|
|
if (NS_SUCCEEDED(res))
|
|
res = AppendNodeToSelectionAsRange(cellNode);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SelectBlockOfCells(nsIDOMElement *aStartCell, nsIDOMElement *aEndCell)
|
|
{
|
|
if (!aStartCell || !aEndCell) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
nsresult res = nsEditor::GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("table"), aStartCell, getter_AddRefs(table));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!table) return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMElement> endTable;
|
|
res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("table"), aEndCell, getter_AddRefs(endTable));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!endTable) return NS_ERROR_FAILURE;
|
|
|
|
// We can only select a block if within the same table,
|
|
// so do nothing if not within one table
|
|
if (table != endTable) return NS_OK;
|
|
|
|
PRInt32 startRowIndex, startColIndex, endRowIndex, endColIndex;
|
|
|
|
// Get starting and ending cells' location in the cellmap
|
|
res = GetCellIndexes(aStartCell, startRowIndex, startColIndex);
|
|
if(NS_FAILED(res)) return res;
|
|
|
|
res = GetCellIndexes(aEndCell, endRowIndex, endColIndex);
|
|
if(NS_FAILED(res)) return res;
|
|
|
|
// Suppress nsIDOMSelectionListener notification
|
|
// until all selection changes are finished
|
|
nsSelectionBatcher selectionBatcher(selection);
|
|
|
|
// Examine all cell nodes in current selection and
|
|
// remove those outside the new block cell region
|
|
PRInt32 minColumn = PR_MIN(startColIndex, endColIndex);
|
|
PRInt32 minRow = PR_MIN(startRowIndex, endRowIndex);
|
|
PRInt32 maxColumn = PR_MAX(startColIndex, endColIndex);
|
|
PRInt32 maxRow = PR_MAX(startRowIndex, endRowIndex);
|
|
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
PRInt32 currentRowIndex, currentColIndex;
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
res = GetFirstSelectedCell(getter_AddRefs(cell), getter_AddRefs(range));
|
|
if (NS_FAILED(res)) return res;
|
|
if (res == NS_EDITOR_ELEMENT_NOT_FOUND) return NS_OK;
|
|
|
|
while (cell)
|
|
{
|
|
res = GetCellIndexes(cell, currentRowIndex, currentColIndex);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (currentRowIndex < maxRow || currentRowIndex > maxRow ||
|
|
currentColIndex < maxColumn || currentColIndex > maxColumn)
|
|
{
|
|
selection->RemoveRange(range);
|
|
// Since we've removed the range, decrement pointer to next range
|
|
mSelectedCellIndex--;
|
|
}
|
|
res = GetNextSelectedCell(getter_AddRefs(cell), getter_AddRefs(range));
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
PRInt32 rowSpan, colSpan, actualRowSpan, actualColSpan;
|
|
PRBool isSelected;
|
|
for (PRInt32 row = minRow; row <= maxRow; row++)
|
|
{
|
|
for(PRInt32 col = minColumn; col <= maxColumn; col += actualColSpan)
|
|
{
|
|
res = GetCellDataAt(table, row, col, *getter_AddRefs(cell),
|
|
currentRowIndex, currentColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
if (NS_FAILED(res)) break;
|
|
// Skip cells that already selected or are spanned from previous locations
|
|
if (!isSelected && cell && row == currentRowIndex && col == currentColIndex)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> cellNode = do_QueryInterface(cell);
|
|
res = nsEditor::AppendNodeToSelectionAsRange(cellNode);
|
|
if (NS_FAILED(res)) break;
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SelectAllTableCells()
|
|
{
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
nsresult res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("td"), nsnull, getter_AddRefs(cell));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Don't fail if we didn't find a cell
|
|
if (!cell) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
nsCOMPtr<nsIDOMNode> cellNode = do_QueryInterface(cell);
|
|
if (!cellNode) return NS_ERROR_FAILURE;
|
|
nsCOMPtr<nsIDOMElement> startCell = cell;
|
|
|
|
// Get parent table
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("table"), cell, getter_AddRefs(table));
|
|
if (NS_FAILED(res)) return res;
|
|
if(!table) return NS_ERROR_NULL_POINTER;
|
|
|
|
PRInt32 rowCount, colCount;
|
|
res = GetTableSize(table, rowCount, colCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
res = nsEditor::GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_FAILURE;
|
|
|
|
// Suppress nsIDOMSelectionListener notification
|
|
// until all selection changes are finished
|
|
nsSelectionBatcher selectionBatcher(selection);
|
|
|
|
// It is now safe to clear the selection
|
|
// BE SURE TO RESET IT BEFORE LEAVING!
|
|
res = ClearSelection();
|
|
|
|
// Select all cells in the same column as current cell
|
|
PRBool cellSelected = PR_FALSE;
|
|
PRInt32 rowSpan, colSpan, actualRowSpan, actualColSpan, currentRowIndex, currentColIndex;
|
|
PRBool isSelected;
|
|
for(PRInt32 row = 0; row < rowCount; row++)
|
|
{
|
|
for(PRInt32 col = 0; col < colCount; col += actualColSpan)
|
|
{
|
|
res = GetCellDataAt(table, row, col, *getter_AddRefs(cell),
|
|
currentRowIndex, currentColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
if (NS_FAILED(res)) break;
|
|
// Skip cells that are spanned from previous rows or columns
|
|
if (cell && row == currentRowIndex && col == currentColIndex)
|
|
{
|
|
cellNode = do_QueryInterface(cell);
|
|
res = nsEditor::AppendNodeToSelectionAsRange(cellNode);
|
|
if (NS_FAILED(res)) break;
|
|
cellSelected = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
// Safety code to select starting cell if nothing else was selected
|
|
if (!cellSelected)
|
|
{
|
|
cellNode = do_QueryInterface(startCell);
|
|
return nsEditor::AppendNodeToSelectionAsRange(cellNode);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SelectTableRow()
|
|
{
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
nsresult res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("td"), nsnull, getter_AddRefs(cell));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Don't fail if we didn't find a cell
|
|
if (!cell) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
nsCOMPtr<nsIDOMElement> startCell = cell;
|
|
|
|
nsCOMPtr<nsIDOMNode> cellNode = do_QueryInterface(cell);
|
|
if (!cellNode) return NS_ERROR_FAILURE;
|
|
|
|
// Get table and location of cell:
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
PRInt32 startRowIndex, startColIndex;
|
|
|
|
res = GetCellContext(getter_AddRefs(selection),
|
|
getter_AddRefs(table),
|
|
getter_AddRefs(cell),
|
|
nsnull, nsnull,
|
|
&startRowIndex, &startColIndex);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!table) return NS_ERROR_FAILURE;
|
|
|
|
PRInt32 rowCount, colCount;
|
|
res = GetTableSize(table, rowCount, colCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
//Note: At this point, we could get first and last cells in row,
|
|
// then call SelectBlockOfCells, but that would take just
|
|
// a little less code, so the following is more efficient
|
|
|
|
// Suppress nsIDOMSelectionListener notification
|
|
// until all selection changes are finished
|
|
nsSelectionBatcher selectionBatcher(selection);
|
|
|
|
// It is now safe to clear the selection
|
|
// BE SURE TO RESET IT BEFORE LEAVING!
|
|
res = ClearSelection();
|
|
|
|
// Select all cells in the same row as current cell
|
|
PRBool cellSelected = PR_FALSE;
|
|
PRInt32 rowSpan, colSpan, actualRowSpan, actualColSpan, currentRowIndex, currentColIndex;
|
|
PRBool isSelected;
|
|
for(PRInt32 col = 0; col < colCount; col += actualColSpan)
|
|
{
|
|
res = GetCellDataAt(table, startRowIndex, col, *getter_AddRefs(cell),
|
|
currentRowIndex, currentColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
if (NS_FAILED(res)) break;
|
|
// Skip cells that are spanned from previous rows or columns
|
|
if (cell && currentRowIndex == startRowIndex && currentColIndex == col)
|
|
{
|
|
cellNode = do_QueryInterface(cell);
|
|
res = nsEditor::AppendNodeToSelectionAsRange(cellNode);
|
|
if (NS_FAILED(res)) break;
|
|
cellSelected = PR_TRUE;
|
|
}
|
|
}
|
|
// Safety code to select starting cell if nothing else was selected
|
|
if (!cellSelected)
|
|
{
|
|
cellNode = do_QueryInterface(startCell);
|
|
return nsEditor::AppendNodeToSelectionAsRange(cellNode);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SelectTableColumn()
|
|
{
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
nsresult res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("td"), nsnull, getter_AddRefs(cell));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Don't fail if we didn't find a cell
|
|
if (!cell) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
nsCOMPtr<nsIDOMNode> cellNode = do_QueryInterface(cell);
|
|
if (!cellNode) return NS_ERROR_FAILURE;
|
|
nsCOMPtr<nsIDOMElement> startCell = cell;
|
|
|
|
// Get location of cell:
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
PRInt32 startRowIndex, startColIndex;
|
|
|
|
res = GetCellContext(getter_AddRefs(selection),
|
|
getter_AddRefs(table),
|
|
getter_AddRefs(cell),
|
|
nsnull, nsnull,
|
|
&startRowIndex, &startColIndex);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!table) return NS_ERROR_FAILURE;
|
|
|
|
PRInt32 rowCount, colCount;
|
|
res = GetTableSize(table, rowCount, colCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Suppress nsIDOMSelectionListener notification
|
|
// until all selection changes are finished
|
|
nsSelectionBatcher selectionBatcher(selection);
|
|
|
|
// It is now safe to clear the selection
|
|
// BE SURE TO RESET IT BEFORE LEAVING!
|
|
res = ClearSelection();
|
|
|
|
// Select all cells in the same column as current cell
|
|
PRBool cellSelected = PR_FALSE;
|
|
PRInt32 rowSpan, colSpan, actualRowSpan, actualColSpan, currentRowIndex, currentColIndex;
|
|
PRBool isSelected;
|
|
for(PRInt32 row = 0; row < rowCount; row += actualRowSpan)
|
|
{
|
|
res = GetCellDataAt(table, row, startColIndex, *getter_AddRefs(cell),
|
|
currentRowIndex, currentColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
if (NS_FAILED(res)) break;
|
|
// Skip cells that are spanned from previous rows or columns
|
|
if (cell && currentRowIndex == row && currentColIndex == startColIndex)
|
|
{
|
|
cellNode = do_QueryInterface(cell);
|
|
res = nsEditor::AppendNodeToSelectionAsRange(cellNode);
|
|
if (NS_FAILED(res)) break;
|
|
cellSelected = PR_TRUE;
|
|
}
|
|
}
|
|
// Safety code to select starting cell if nothing else was selected
|
|
if (!cellSelected)
|
|
{
|
|
cellNode = do_QueryInterface(startCell);
|
|
return nsEditor::AppendNodeToSelectionAsRange(cellNode);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SplitTableCell()
|
|
{
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
PRInt32 startRowIndex, startColIndex, actualRowSpan, actualColSpan;
|
|
// Get cell, table, etc. at selection anchor node
|
|
nsresult res = GetCellContext(nsnull,
|
|
getter_AddRefs(table),
|
|
getter_AddRefs(cell),
|
|
nsnull, nsnull,
|
|
&startRowIndex, &startColIndex);
|
|
if (NS_FAILED(res)) return res;
|
|
if(!table || !cell) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
// We need rowspan and colspan data
|
|
res = GetCellSpansAt(table, startRowIndex, startColIndex, actualRowSpan, actualColSpan);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Must have some span to split
|
|
if (actualRowSpan <= 1 && actualColSpan <= 1)
|
|
return NS_OK;
|
|
|
|
nsAutoEditBatch beginBatching(this);
|
|
|
|
// We reset selection
|
|
nsSetSelectionAfterTableEdit setCaret(this, table, startRowIndex, startColIndex, ePreviousColumn, PR_FALSE);
|
|
//...so suppress Rules System selection munging
|
|
nsAutoTxnsConserveSelection dontChangeSelection(this);
|
|
|
|
nsCOMPtr<nsIDOMElement> newCellInRow;
|
|
nsCOMPtr<nsIDOMElement> newCellInCol;
|
|
PRInt32 rowIndex = startRowIndex;
|
|
PRInt32 rowSpanBelow, colSpanAfter;
|
|
|
|
// Split up cell row-wise first into rowspan=1 above, and the rest below,
|
|
// whittling away at the cell below until no more extra span
|
|
for (rowSpanBelow = actualRowSpan-1; rowSpanBelow >= 0; rowSpanBelow--)
|
|
{
|
|
// We really split row-wise only if we had rowspan > 1
|
|
if (rowSpanBelow > 0)
|
|
{
|
|
res = SplitCellIntoRows(table, rowIndex, startColIndex, 1, rowSpanBelow, nsnull);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
PRInt32 colIndex = startColIndex;
|
|
// Now split the cell with rowspan = 1 into cells if it has colSpan > 1
|
|
for (colSpanAfter = actualColSpan-1; colSpanAfter > 0; colSpanAfter--)
|
|
{
|
|
res = SplitCellIntoColumns(table, rowIndex, colIndex, 1, colSpanAfter, nsnull);
|
|
if (NS_FAILED(res)) return res;
|
|
colIndex++;
|
|
}
|
|
// Point to the new cell and repeat
|
|
rowIndex++;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SplitCellIntoColumns(nsIDOMElement *aTable, PRInt32 aRowIndex, PRInt32 aColIndex,
|
|
PRInt32 aColSpanLeft, PRInt32 aColSpanRight,
|
|
nsIDOMElement **aNewCell)
|
|
{
|
|
if (!aTable) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
PRInt32 startRowIndex, startColIndex, rowSpan, colSpan, actualRowSpan, actualColSpan;
|
|
PRBool isSelected;
|
|
nsresult res = GetCellDataAt(aTable, aRowIndex, aColIndex, *getter_AddRefs(cell),
|
|
startRowIndex, startColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!cell) return NS_ERROR_NULL_POINTER;
|
|
|
|
// We can't split!
|
|
if (actualColSpan <= 1 || (aColSpanLeft + aColSpanRight) > actualColSpan)
|
|
return NS_OK;
|
|
|
|
// Reduce colspan of cell to split
|
|
res = SetColSpan(cell, aColSpanLeft);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Insert new cell after using the remaining span;
|
|
return InsertCell(cell, actualRowSpan, aColSpanRight, PR_TRUE, PR_FALSE, aNewCell);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SplitCellIntoRows(nsIDOMElement *aTable, PRInt32 aRowIndex, PRInt32 aColIndex,
|
|
PRInt32 aRowSpanAbove, PRInt32 aRowSpanBelow,
|
|
nsIDOMElement **aNewCell)
|
|
{
|
|
if (!aTable) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
PRInt32 startRowIndex, startColIndex, rowSpan, colSpan, actualRowSpan, actualColSpan;
|
|
PRBool isSelected;
|
|
nsresult res = GetCellDataAt(aTable, aRowIndex, aColIndex, *getter_AddRefs(cell),
|
|
startRowIndex, startColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!cell) return NS_ERROR_NULL_POINTER;
|
|
|
|
// We can't split!
|
|
if (actualRowSpan <= 1 || (aRowSpanAbove + aRowSpanBelow) > actualRowSpan)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMElement> cell2;
|
|
nsCOMPtr<nsIDOMElement> lastCellFound;
|
|
PRInt32 startRowIndex2, startColIndex2, rowSpan2, colSpan2, actualRowSpan2, actualColSpan2;
|
|
PRBool isSelected2;
|
|
PRInt32 colIndex = 0;
|
|
PRBool insertAfter = (startColIndex > 0);
|
|
// This is the row we will insert new cell into
|
|
PRInt32 rowBelowIndex = startRowIndex+aRowSpanAbove;
|
|
|
|
// Find a cell to insert before or after
|
|
do
|
|
{
|
|
// Search for a cell to insert before
|
|
res = GetCellDataAt(aTable, rowBelowIndex,
|
|
colIndex, *getter_AddRefs(cell2),
|
|
startRowIndex2, startColIndex2, rowSpan2, colSpan2,
|
|
actualRowSpan2, actualColSpan2, isSelected2);
|
|
// If we fail here, it could be because row has bad rowspan values,
|
|
// such as all cells having rowspan > 1 (Call FixRowSpan first!)
|
|
if (NS_FAILED(res) || !cell) return NS_ERROR_FAILURE;
|
|
|
|
// 0 value results in infinite loop!
|
|
NS_ASSERTION(actualColSpan2 > 0, "ColSpan=0 in SplitCellIntoRows");
|
|
|
|
// Skip over cells spanned from above (like the one we are splitting!)
|
|
if (startRowIndex2 == rowBelowIndex)
|
|
{
|
|
if (insertAfter)
|
|
{
|
|
// New cell isn't first in row,
|
|
// so stop after we find the cell just before new cell's column
|
|
if ((startColIndex2 + actualColSpan2) == startColIndex)
|
|
break;
|
|
|
|
// If cell found is AFTER desired new cell colum,
|
|
// we have multiple cells with rowspan > 1 that
|
|
// prevented us from finding a cell to insert after...
|
|
if (startColIndex2 > startColIndex)
|
|
{
|
|
// ... so instead insert before the cell we found
|
|
insertAfter = PR_FALSE;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
break; // Inserting before, so stop at first cell in row we want to insert into
|
|
}
|
|
lastCellFound = cell2;
|
|
}
|
|
// Skip to next available cellmap location
|
|
colIndex += actualColSpan2;
|
|
} while(PR_TRUE);
|
|
|
|
if (!cell2 && lastCellFound)
|
|
{
|
|
// Edge case where we didn't find a cell to insert after
|
|
// or before because column(s) before desired column
|
|
// and all columns after it are spanned from above.
|
|
// We can insert after the last cell we found
|
|
cell2 = lastCellFound;
|
|
insertAfter = PR_TRUE; // Should always be true, but let's be sure
|
|
}
|
|
|
|
res = InsertCell(cell2, aRowSpanBelow, actualColSpan, insertAfter, PR_FALSE, aNewCell);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Reduce rowspan of cell to split
|
|
return SetRowSpan(cell, aRowSpanAbove);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SwitchTableCellHeaderType(nsIDOMElement *aSourceCell, nsIDOMElement **aNewCell)
|
|
{
|
|
if (!aSourceCell) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDOMElement> sourceCell = aSourceCell;
|
|
nsCOMPtr<nsIDOMElement> newCell;
|
|
nsAutoString tagName;
|
|
nsEditor::GetTagString(aSourceCell, tagName);
|
|
// Set to the opposite of current type
|
|
PRBool headerType = (tagName == NS_ConvertASCIItoUCS2("td"));
|
|
|
|
// Create the new cell, inserting it just before existing cell
|
|
// Just assume colspan and rowspan = 1 (we'll copy real values with CloneAttributes)
|
|
nsresult res = InsertCell(aSourceCell, 1, 1, PR_TRUE, headerType, getter_AddRefs(newCell));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!newCell) return res;
|
|
|
|
// Copy all of the original attributes to the new cell
|
|
nsCOMPtr<nsIDOMNode> sourceCellNode = do_QueryInterface(sourceCell);
|
|
nsCOMPtr<nsIDOMNode> newCellNode = do_QueryInterface(newCell);
|
|
res = CloneAttributes(newCellNode, sourceCellNode);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Move all contents from original cell to new cell then delete original (3rd param = PR_TRUE)
|
|
res = MergeCells(newCell, sourceCell, PR_TRUE);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Return the new cell
|
|
if (aNewCell)
|
|
{
|
|
*aNewCell = newCell.get();
|
|
NS_ADDREF(*aNewCell);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::JoinTableCells()
|
|
{
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
nsCOMPtr<nsIDOMElement> targetCell;
|
|
PRInt32 startRowIndex, startColIndex, rowSpan, colSpan, actualRowSpan, actualColSpan;
|
|
PRBool isSelected;
|
|
nsCOMPtr<nsIDOMElement> cell2;
|
|
PRInt32 startRowIndex2, startColIndex2, rowSpan2, colSpan2, actualRowSpan2, actualColSpan2;
|
|
PRBool isSelected2;
|
|
|
|
// Get cell, table, etc. at selection anchor node
|
|
nsresult res = GetCellContext(nsnull,
|
|
getter_AddRefs(table),
|
|
getter_AddRefs(targetCell),
|
|
nsnull, nsnull,
|
|
&startRowIndex, &startColIndex);
|
|
if (NS_FAILED(res)) return res;
|
|
if(!table || !targetCell) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
nsAutoEditBatch beginBatching(this);
|
|
//Don't let Rules System change the selection
|
|
nsAutoTxnsConserveSelection dontChangeSelection(this);
|
|
|
|
nsCOMPtr<nsIDOMElement> firstCell;
|
|
PRInt32 firstRowIndex, firstColIndex;
|
|
res = GetFirstSelectedCellInTable(getter_AddRefs(firstCell), &firstRowIndex, &firstColIndex);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
|
|
if (firstCell)
|
|
{
|
|
// We have selected cells: Join contiguous cells
|
|
// and just merge contents if not contiguous
|
|
|
|
PRInt32 rowCount, colCount;
|
|
res = GetTableSize(table, rowCount, colCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Get spans for cell we will merge into
|
|
PRInt32 firstRowSpan, firstColSpan;
|
|
res = GetCellSpansAt( table, firstRowIndex, firstColIndex, firstRowSpan, firstColSpan);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
//We reset caret in destructor. Last param = true to select cell when done
|
|
nsSetSelectionAfterTableEdit setCaret(this, table, firstRowIndex, firstColIndex, ePreviousColumn, PR_TRUE);
|
|
|
|
// This defines the last indexes along the "edges"
|
|
// of the contiguous block of cells, telling us
|
|
// that we can join adjacent cells to the block
|
|
// Start with same as the first values,
|
|
// then expand as we find adjacent selected cells
|
|
PRInt32 lastRowIndex = firstRowIndex;
|
|
PRInt32 lastColIndex = firstColIndex;
|
|
PRInt32 rowIndex, colIndex;
|
|
|
|
// First pass: Determine boundaries of contiguous rectangular block
|
|
// that we will join into one cell,
|
|
// favoring adjacent cells in the same row
|
|
for (rowIndex = firstRowIndex; rowIndex <= lastRowIndex; rowIndex++)
|
|
{
|
|
PRInt32 currentRowCount = rowCount;
|
|
// Be sure each row doesn't have rowspan errors
|
|
res = FixBadRowSpan(table, rowIndex, rowCount);
|
|
if (NS_FAILED(res)) return res;
|
|
// Adjust rowcount by number of rows we removed
|
|
lastRowIndex -= (currentRowCount-rowCount);
|
|
|
|
PRBool cellFoundInRow = PR_FALSE;
|
|
PRBool lastRowIsSet = PR_FALSE;
|
|
PRInt32 lastColInRow = 0;
|
|
PRInt32 firstColInRow = firstColIndex;
|
|
for (colIndex = firstColIndex; colIndex < colCount; colIndex += actualColSpan2)
|
|
{
|
|
res = GetCellDataAt(table, rowIndex, colIndex, *getter_AddRefs(cell2),
|
|
startRowIndex2, startColIndex2, rowSpan2, colSpan2,
|
|
actualRowSpan2, actualColSpan2, isSelected2);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// We must have colspan >=1 if we have a cell
|
|
NS_ASSERTION(!cell2 || (actualColSpan2 > 0), "JoinTableCells: ColSpan=0");
|
|
if (isSelected2)
|
|
{
|
|
if (!cellFoundInRow)
|
|
// We've just found the first selected cell in this row
|
|
firstColInRow = colIndex;
|
|
|
|
if(rowIndex > firstRowIndex && firstColInRow != firstColIndex)
|
|
{
|
|
// We're in at least the second row,
|
|
// but left boundary is "ragged" (not the same as 1st row's start)
|
|
//Let's just end block on previous row
|
|
// and keep previous lastColIndex
|
|
//TODO: We could try to find the Maximum firstColInRow
|
|
// so our block can still extend down more rows?
|
|
lastRowIndex = PR_MAX(0,rowIndex - 1);
|
|
lastRowIsSet = PR_TRUE;
|
|
break;
|
|
}
|
|
// Save max selected column in this row, including extra colspan
|
|
lastColInRow = colIndex + (actualColSpan2-1);
|
|
cellFoundInRow = PR_TRUE;
|
|
}
|
|
else if (cellFoundInRow)
|
|
{
|
|
// No cell or not selected, but at least one in row was found
|
|
if (colIndex <= lastColIndex)
|
|
{
|
|
// Cell is in a column less than current right border,
|
|
// so stop block at the previous row
|
|
lastRowIndex = PR_MAX(0,rowIndex - 1);
|
|
lastRowIsSet = PR_TRUE;
|
|
}
|
|
// We're done with this row
|
|
break;
|
|
}
|
|
// Be sure we have >= 1 to increment loop else we're infinite!
|
|
// (actualColSpan2 = 0 when end of row is reached)
|
|
actualColSpan2 = PR_MAX(1, actualColSpan2);
|
|
|
|
} // End of column loop
|
|
|
|
// Done with this row
|
|
if (cellFoundInRow)
|
|
{
|
|
if (rowIndex == firstRowIndex)
|
|
{
|
|
// First row always initializes the right boundary
|
|
lastColIndex = lastColInRow;
|
|
}
|
|
|
|
// If we didn't determine last row above...
|
|
if (!lastRowIsSet)
|
|
{
|
|
if (colIndex < lastColIndex)
|
|
{
|
|
// (don't think we ever get here?)
|
|
// Cell is in a column less than current right boundary,
|
|
// so stop block at the previous row
|
|
lastRowIndex = PR_MAX(0,rowIndex - 1);
|
|
}
|
|
else
|
|
{
|
|
// Go on to examine next row
|
|
lastRowIndex = rowIndex+1;
|
|
// Use the minimun col we found so far for right boundary
|
|
lastColIndex = PR_MIN(lastColIndex, lastColInRow);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// No selected cells in this row -- stop at row above
|
|
// and leave last column at its previous value
|
|
lastRowIndex = PR_MAX(0,rowIndex - 1);
|
|
}
|
|
}
|
|
|
|
// The list of cells we will delete after joining
|
|
nsVoidArray deleteList;
|
|
|
|
// 2nd pass: Do the joining and merging
|
|
for (rowIndex = 0; rowIndex < rowCount; rowIndex++)
|
|
{
|
|
for (colIndex = 0; colIndex < colCount; colIndex+= actualColSpan2)
|
|
{
|
|
res = GetCellDataAt(table, rowIndex, colIndex, *getter_AddRefs(cell2),
|
|
startRowIndex2, startColIndex2, rowSpan2, colSpan2,
|
|
actualRowSpan2, actualColSpan2, isSelected2);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Merge only selected cells (skip cell we're merging into, of course)
|
|
if (isSelected2 && cell2 != firstCell)
|
|
{
|
|
if (rowIndex >= firstRowIndex && rowIndex <= lastRowIndex &&
|
|
colIndex >= firstColIndex && colIndex <= lastColIndex)
|
|
{
|
|
// We are within the join region
|
|
// Problem: It is very tricky to delete cells as we merge,
|
|
// since that will upset the cellmap
|
|
// Instead, build a list of cells to delete and do it later
|
|
NS_ASSERTION(startRowIndex2 == rowIndex, "JoinTableCells: StartRowIndex is in row above");
|
|
|
|
#if 0
|
|
//Check if cell "hangs" off the boundary because of colspan or rowspan > 1
|
|
// Use split methods to chop off excess
|
|
PRInt32 extraColSpan = lastColIndex - (startColIndex2 + actualColSpan2);
|
|
if ( extraColSpan > 0)
|
|
{
|
|
res = SplitCellIntoColumns(table, startRowIndex2, startColIndex2,
|
|
actualColSpan2-extraColSpan, extraColSpan, nsnull);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
#endif
|
|
res = MergeCells(firstCell, cell2, PR_FALSE);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
|
|
// Add cell to list to delete
|
|
deleteList.AppendElement((void *)cell2.get());
|
|
}
|
|
else
|
|
{
|
|
// Cell is outside join region -- just merge the contents
|
|
res = MergeCells(firstCell, cell2, PR_FALSE);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// All cell contents are merged. Delete the empty cells we accumulated
|
|
nsIDOMElement *elementPtr;
|
|
PRInt32 count;
|
|
while ((count = deleteList.Count()))
|
|
{
|
|
// go backwards to keep nsVoidArray from memmoving everything each time
|
|
count--; // nsVoidArray is zero based
|
|
elementPtr = (nsIDOMElement*)deleteList.ElementAt(count);
|
|
deleteList.RemoveElementAt(count);
|
|
if (elementPtr)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(elementPtr);
|
|
res = DeleteNode(node);
|
|
if (NS_FAILED(res)) return res;
|
|
// Should we delete this???
|
|
//delete elementPtr;
|
|
}
|
|
}
|
|
// Set spans for the cell everthing merged into
|
|
res = SetRowSpan(firstCell, lastRowIndex-firstRowIndex+1);
|
|
if (NS_FAILED(res)) return res;
|
|
res = SetColSpan(firstCell, lastColIndex-firstColIndex+1);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// But check if we merged multiple rows - rowspan shouldn't be > 1
|
|
PRInt32 newRowCount;
|
|
res = FixBadRowSpan(table, firstRowIndex, newRowCount);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else
|
|
{
|
|
// Joining with cell to the right -- get rowspan and colspan data of target cell
|
|
res = GetCellDataAt(table, startRowIndex, startColIndex, *getter_AddRefs(targetCell),
|
|
startRowIndex, startColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!targetCell) return NS_ERROR_NULL_POINTER;
|
|
|
|
//We reset caret in destructor. Select cell when done if target was already selected
|
|
nsSetSelectionAfterTableEdit setCaret(this, table, startRowIndex, startColIndex, ePreviousColumn, isSelected);
|
|
|
|
// Get data for cell to the right
|
|
res = GetCellDataAt(table, startRowIndex, startColIndex+actualColSpan, *getter_AddRefs(cell2),
|
|
startRowIndex2, startColIndex2, rowSpan2, colSpan2,
|
|
actualRowSpan2, actualColSpan2, isSelected2);
|
|
if (NS_FAILED(res)) return res;
|
|
if(!cell2) return NS_OK; // Don't fail if there's no cell
|
|
|
|
if( actualRowSpan2 > actualRowSpan )
|
|
{
|
|
//TODO: SPLIT CELL
|
|
}
|
|
|
|
// Move contents and delete cell to the right
|
|
res = MergeCells(targetCell, cell2, PR_TRUE);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Reset target cell's spans
|
|
res = SetColSpan(targetCell, actualColSpan+actualColSpan2);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::MergeCells(nsCOMPtr<nsIDOMElement> aTargetCell,
|
|
nsCOMPtr<nsIDOMElement> aCellToMerge,
|
|
PRBool aDeleteCellToMerge)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> targetCell = do_QueryInterface(aTargetCell);
|
|
nsCOMPtr<nsIDOMNode> cellToMerge = do_QueryInterface(aCellToMerge);
|
|
if(!targetCell || !cellToMerge) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsresult res = NS_OK;
|
|
|
|
// Get index of last child in target cell
|
|
nsCOMPtr<nsIDOMNodeList> childNodes;
|
|
res = targetCell->GetChildNodes(getter_AddRefs(childNodes));
|
|
// If we fail or don't have children,
|
|
// we insert at index 0
|
|
PRInt32 insertIndex = 0;
|
|
|
|
if ((NS_SUCCEEDED(res)) && (childNodes))
|
|
{
|
|
// Start inserting just after last child
|
|
PRUint32 len;
|
|
res = childNodes->GetLength(&len);
|
|
if (NS_FAILED(res)) return res;
|
|
insertIndex = (PRInt32)len;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMNode> cellChild;
|
|
res = cellToMerge->GetFirstChild(getter_AddRefs(cellChild));
|
|
if (NS_FAILED(res)) return res;
|
|
while (cellChild)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> nextChild;
|
|
res = cellChild->GetNextSibling(getter_AddRefs(nextChild));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
res = nsEditor::DeleteNode(cellChild);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
res = nsEditor::InsertNode(cellChild, targetCell, insertIndex);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
cellChild = nextChild;
|
|
insertIndex++;
|
|
}
|
|
|
|
// Delete cells whose contents were moved
|
|
if (aDeleteCellToMerge)
|
|
res = DeleteNode(cellToMerge);
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::FixBadRowSpan(nsIDOMElement *aTable, PRInt32 aRowIndex, PRInt32& aNewRowCount)
|
|
{
|
|
if (!aTable) return NS_ERROR_NULL_POINTER;
|
|
|
|
PRInt32 colCount;
|
|
nsresult res = GetTableSize(aTable, colCount, colCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
PRInt32 startRowIndex, startColIndex, rowSpan, colSpan, actualRowSpan, actualColSpan;
|
|
PRBool isSelected;
|
|
|
|
PRInt32 minRowSpan = 0x7fffffff; //XXX: Shouldn't there be a define somewhere for MaxInt for PRInt32
|
|
PRInt32 colIndex;
|
|
|
|
for( colIndex = 0; colIndex < colCount; colIndex++)
|
|
{
|
|
res = GetCellDataAt(aTable, aRowIndex, colIndex, *getter_AddRefs(cell),
|
|
startRowIndex, startColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
// NOTE: This is a *real* failure.
|
|
// GetCellDataAt passes if cell is missing from cellmap
|
|
if(NS_FAILED(res)) return res;
|
|
if(cell && rowSpan > 0 && rowSpan < minRowSpan)
|
|
minRowSpan = rowSpan;
|
|
}
|
|
if(minRowSpan > 1)
|
|
{
|
|
// The amount to reduce everyones rowspan
|
|
// so at least one cell has rowspan = 1
|
|
PRInt32 rowsReduced = minRowSpan - 1;
|
|
for(colIndex = 0; colIndex < colCount; colIndex++)
|
|
{
|
|
res = GetCellDataAt(aTable, aRowIndex, colIndex, *getter_AddRefs(cell),
|
|
startRowIndex, startColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
if(NS_FAILED(res)) return res;
|
|
// Fixup rowspans for cells starting in current row
|
|
if(cell && rowSpan > 0 &&
|
|
startRowIndex == aRowIndex &&
|
|
startColIndex == colIndex )
|
|
{
|
|
return SetRowSpan(cell, rowSpan-rowsReduced);
|
|
}
|
|
}
|
|
}
|
|
return GetTableSize(aTable, aNewRowCount, colCount);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::NormalizeTable(nsIDOMElement *aTable)
|
|
{
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
nsresult res = NS_ERROR_FAILURE;
|
|
res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("table"), aTable, getter_AddRefs(table));
|
|
if (NS_FAILED(res)) return res;
|
|
// Don't fail if we didn't find a table
|
|
if (!table) return NS_OK;
|
|
|
|
PRInt32 rowCount, colCount, rowIndex, colIndex;
|
|
res = GetTableSize(table, rowCount, colCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsAutoEditBatch beginBatching(this);
|
|
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
PRInt32 startRowIndex, startColIndex, rowSpan, colSpan, actualRowSpan, actualColSpan;
|
|
PRBool isSelected;
|
|
|
|
// First scan all cells in each row to detect bad rowspan values
|
|
for(rowIndex = 0; rowIndex < rowCount; rowIndex++)
|
|
{
|
|
|
|
res = FixBadRowSpan(aTable, rowIndex, rowCount);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// Fill in missing cellmap locations with empty cells
|
|
for(rowIndex = 0; rowIndex < rowCount; rowIndex++)
|
|
{
|
|
nsCOMPtr<nsIDOMElement> previousCellInRow;
|
|
|
|
for(colIndex = 0; colIndex < colCount; colIndex++)
|
|
{
|
|
res = GetCellDataAt(aTable, rowIndex, colIndex, *getter_AddRefs(cell),
|
|
startRowIndex, startColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
// NOTE: This is a *real* failure.
|
|
// GetCellDataAt passes if cell is missing from cellmap
|
|
if(NS_FAILED(res)) return res;
|
|
if (!cell)
|
|
{
|
|
//We are missing a cell at a cellmap location
|
|
#ifdef DEBUG
|
|
printf("NormalizeTable found missing cell at row=%d, col=%d\n", rowIndex, colIndex);
|
|
#endif
|
|
// Add a cell after the previous Cell in the current row
|
|
if(previousCellInRow)
|
|
{
|
|
// Insert a new cell after (PR_TRUE), and return the new cell to us
|
|
res = InsertCell(previousCellInRow, 1, 1, PR_TRUE, PR_FALSE, getter_AddRefs(cell));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Set this so we use returned new "cell" to set previousCellInRow below
|
|
if(cell)
|
|
startRowIndex = rowIndex;
|
|
} else {
|
|
// We don't have any cells in this row -- We are really messed up!
|
|
#ifdef DEBUG
|
|
printf("NormalizeTable found no cells in row=%d, col=%d\n", rowIndex, colIndex);
|
|
#endif
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
// Save the last cell found in the same row we are scanning
|
|
if(startRowIndex == rowIndex)
|
|
{
|
|
previousCellInRow = cell;
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetCellIndexes(nsIDOMElement *aCell, PRInt32 &aRowIndex, PRInt32 &aColIndex)
|
|
{
|
|
nsresult res=NS_ERROR_NOT_INITIALIZED;
|
|
aColIndex=0; // initialize out params
|
|
aRowIndex=0;
|
|
if (!aCell)
|
|
{
|
|
// Get the selected cell or the cell enclosing the selection anchor
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("td"), nsnull, getter_AddRefs(cell));
|
|
if (NS_SUCCEEDED(res) && cell)
|
|
aCell = cell;
|
|
else
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsISupports *layoutObject=nsnull; // frames are not ref counted, so don't use an nsCOMPtr
|
|
res = nsHTMLEditor::GetLayoutObject(aCell, &layoutObject);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!layoutObject) return NS_ERROR_FAILURE;
|
|
|
|
nsITableCellLayout *cellLayoutObject=nsnull; // again, frames are not ref-counted
|
|
res = layoutObject->QueryInterface(NS_GET_IID(nsITableCellLayout), (void**)(&cellLayoutObject));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!cellLayoutObject) return NS_ERROR_FAILURE;
|
|
return cellLayoutObject->GetCellIndexes(aRowIndex, aColIndex);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetTableLayoutObject(nsIDOMElement* aTable, nsITableLayout **tableLayoutObject)
|
|
{
|
|
*tableLayoutObject=nsnull;
|
|
if (!aTable)
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
// frames are not ref counted, so don't use an nsCOMPtr
|
|
nsISupports *layoutObject=nsnull;
|
|
nsresult res = nsHTMLEditor::GetLayoutObject(aTable, &layoutObject);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!layoutObject) return NS_ERROR_FAILURE;
|
|
return layoutObject->QueryInterface(NS_GET_IID(nsITableLayout),
|
|
(void**)(tableLayoutObject));
|
|
}
|
|
|
|
//Return actual number of cells (a cell with colspan > 1 counts as just 1)
|
|
PRBool nsHTMLEditor::GetNumberOfCellsInRow(nsIDOMElement* aTable, PRInt32 rowIndex)
|
|
{
|
|
PRInt32 cellCount = 0;
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
PRInt32 colIndex = 0;
|
|
nsresult res;
|
|
do {
|
|
PRInt32 startRowIndex, startColIndex, rowSpan, colSpan, actualRowSpan, actualColSpan;
|
|
PRBool isSelected;
|
|
res = GetCellDataAt(aTable, rowIndex, colIndex, *getter_AddRefs(cell),
|
|
startRowIndex, startColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
if (NS_FAILED(res)) return res;
|
|
if (cell)
|
|
{
|
|
// Only count cells that start in row we are working with
|
|
if (startRowIndex == rowIndex)
|
|
cellCount++;
|
|
|
|
//Next possible location for a cell
|
|
colIndex += actualColSpan;
|
|
}
|
|
else
|
|
colIndex++;
|
|
|
|
} while (cell);
|
|
|
|
return cellCount;
|
|
}
|
|
|
|
/* Not scriptable: For convenience in C++
|
|
Use GetTableRowCount and GetTableColumnCount from JavaScript
|
|
*/
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetTableSize(nsIDOMElement *aTable, PRInt32& aRowCount, PRInt32& aColCount)
|
|
{
|
|
nsresult res = NS_ERROR_FAILURE;
|
|
aRowCount = 0;
|
|
aColCount = 0;
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
// Get the selected talbe or the table enclosing the selection anchor
|
|
res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("table"), aTable, getter_AddRefs(table));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!table) return NS_ERROR_FAILURE;
|
|
|
|
// frames are not ref counted, so don't use an nsCOMPtr
|
|
nsITableLayout *tableLayoutObject;
|
|
res = GetTableLayoutObject(table.get(), &tableLayoutObject);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!tableLayoutObject)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return tableLayoutObject->GetTableSize(aRowCount, aColCount);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetCellDataAt(nsIDOMElement* aTable, PRInt32 aRowIndex, PRInt32 aColIndex, nsIDOMElement* &aCell,
|
|
PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
|
|
PRInt32& aRowSpan, PRInt32& aColSpan,
|
|
PRInt32& aActualRowSpan, PRInt32& aActualColSpan,
|
|
PRBool& aIsSelected)
|
|
{
|
|
nsresult res=NS_ERROR_FAILURE;
|
|
aCell = nsnull;
|
|
aStartRowIndex = 0;
|
|
aStartColIndex = 0;
|
|
aRowSpan = 0;
|
|
aColSpan = 0;
|
|
aActualRowSpan = 0;
|
|
aActualColSpan = 0;
|
|
aIsSelected = PR_FALSE;
|
|
|
|
if (!aTable)
|
|
{
|
|
// Get the selected table or the table enclosing the selection anchor
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("table"), nsnull, getter_AddRefs(table));
|
|
if (NS_FAILED(res)) return res;
|
|
if (table)
|
|
aTable = table;
|
|
else
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// frames are not ref counted, so don't use an nsCOMPtr
|
|
nsITableLayout *tableLayoutObject;
|
|
res = GetTableLayoutObject(aTable, &tableLayoutObject);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!tableLayoutObject) return NS_ERROR_FAILURE;
|
|
|
|
// Note that this returns NS_TABLELAYOUT_CELL_NOT_FOUND when
|
|
// the index(es) are out of bounds
|
|
res = tableLayoutObject->GetCellDataAt(aRowIndex, aColIndex, aCell,
|
|
aStartRowIndex, aStartColIndex,
|
|
aRowSpan, aColSpan,
|
|
aActualRowSpan, aActualColSpan,
|
|
aIsSelected);
|
|
// Convert to editor's generic "not found" return value
|
|
if (res == NS_TABLELAYOUT_CELL_NOT_FOUND) res = NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
return res;
|
|
}
|
|
|
|
// When all you want is the cell
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetCellAt(nsIDOMElement* aTable, PRInt32 aRowIndex, PRInt32 aColIndex, nsIDOMElement* &aCell)
|
|
{
|
|
PRInt32 startRowIndex, startColIndex, rowSpan, colSpan, actualRowSpan, actualColSpan;
|
|
PRBool isSelected;
|
|
return GetCellDataAt(aTable, aRowIndex, aColIndex, aCell,
|
|
startRowIndex, startColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
}
|
|
|
|
// When all you want are the rowspan and colspan (not exposed in nsITableEditor)
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetCellSpansAt(nsIDOMElement* aTable, PRInt32 aRowIndex, PRInt32 aColIndex,
|
|
PRInt32& aActualRowSpan, PRInt32& aActualColSpan)
|
|
{
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
PRInt32 startRowIndex, startColIndex, rowSpan, colSpan;
|
|
PRBool isSelected;
|
|
return GetCellDataAt(aTable, aRowIndex, aColIndex, *getter_AddRefs(cell),
|
|
startRowIndex, startColIndex, rowSpan, colSpan,
|
|
aActualRowSpan, aActualColSpan, isSelected);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetCellContext(nsIDOMSelection **aSelection,
|
|
nsIDOMElement **aTable,
|
|
nsIDOMElement **aCell,
|
|
nsIDOMNode **aCellParent, PRInt32 *aCellOffset,
|
|
PRInt32 *aRowIndex, PRInt32 *aColIndex)
|
|
{
|
|
// Initialize return pointers
|
|
if (aSelection) *aSelection = nsnull;
|
|
if (aTable) *aTable = nsnull;
|
|
if (aCell) *aCell = nsnull;
|
|
if (aCellParent) *aCellParent = nsnull;
|
|
if (aCellOffset) *aCellOffset = 0;
|
|
if (aRowIndex) *aRowIndex = 0;
|
|
if (aColIndex) *aColIndex = 0;
|
|
|
|
nsCOMPtr <nsIDOMSelection> selection;
|
|
nsresult res = nsEditor::GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_FAILURE;
|
|
|
|
if (aSelection)
|
|
{
|
|
*aSelection = selection.get();
|
|
NS_ADDREF(*aSelection);
|
|
}
|
|
nsCOMPtr <nsIDOMElement> table;
|
|
nsCOMPtr <nsIDOMElement> cell;
|
|
|
|
// Caller may supply the cell...
|
|
if (aCell && *aCell)
|
|
cell = *aCell;
|
|
|
|
// ...but if not supplied,
|
|
// get cell if it's the child of selection anchor node,
|
|
// or get the enclosing by a cell
|
|
if (!cell)
|
|
{
|
|
res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("td"), nsnull, getter_AddRefs(cell));
|
|
if (NS_FAILED(res)) return res;
|
|
// Don't fail if we are not in a cell
|
|
if (!cell) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
}
|
|
if (aCell)
|
|
{
|
|
*aCell = cell.get();
|
|
NS_ADDREF(*aCell);
|
|
}
|
|
|
|
// Get containing table
|
|
res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("table"), cell, getter_AddRefs(table));
|
|
if (NS_FAILED(res)) return res;
|
|
// Cell must be in a table, so fail if not found
|
|
if (!table) return NS_ERROR_FAILURE;
|
|
if (aTable)
|
|
{
|
|
*aTable = table.get();
|
|
NS_ADDREF(*aTable);
|
|
}
|
|
|
|
// Get the rest of the related data only if requested
|
|
if (aRowIndex || aColIndex)
|
|
{
|
|
PRInt32 rowIndex, colIndex;
|
|
// Get current cell location so we can put caret back there when done
|
|
res = GetCellIndexes(cell, rowIndex, colIndex);
|
|
if(NS_FAILED(res)) return res;
|
|
if (aRowIndex) *aRowIndex = rowIndex;
|
|
if (aColIndex) *aColIndex = colIndex;
|
|
}
|
|
if (aCellParent)
|
|
{
|
|
nsCOMPtr <nsIDOMNode> cellParent;
|
|
// Get the immediate parent of the cell
|
|
res = cell->GetParentNode(getter_AddRefs(cellParent));
|
|
if (NS_FAILED(res)) return res;
|
|
// Cell has to have a parent, so fail if not found
|
|
if (!cellParent) return NS_ERROR_FAILURE;
|
|
|
|
*aCellParent = cellParent.get();
|
|
NS_ADDREF(*aCellParent);
|
|
|
|
if (aCellOffset)
|
|
res = GetChildOffset(cell, cellParent, *aCellOffset);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetFirstSelectedCell(nsIDOMElement **aCell, nsIDOMRange **aRange)
|
|
{
|
|
if (!aCell) return NS_ERROR_NULL_POINTER;
|
|
*aCell = nsnull;
|
|
if (aRange) *aRange = nsnull;
|
|
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
nsresult res = nsEditor::GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
res = selection->GetRangeAt(0, getter_AddRefs(range));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!range) return NS_ERROR_FAILURE;
|
|
|
|
mSelectedCellIndex = 0;
|
|
|
|
nsCOMPtr<nsIDOMNode> cellNode;
|
|
res = GetFirstNodeInRange(range, getter_AddRefs(cellNode));
|
|
// Failure here means selection is in a text node,
|
|
// so there's no selected cell
|
|
if (NS_FAILED(res)) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
if (!cellNode) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
if (IsTableCell(cellNode))
|
|
{
|
|
nsCOMPtr<nsIDOMElement> cellElement = do_QueryInterface(cellNode);
|
|
*aCell = cellElement.get();
|
|
NS_ADDREF(*aCell);
|
|
if (aRange)
|
|
{
|
|
*aRange = range.get();
|
|
NS_ADDREF(*aRange);
|
|
}
|
|
}
|
|
else
|
|
return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
// Setup for next cell
|
|
mSelectedCellIndex = 1;
|
|
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetNextSelectedCell(nsIDOMElement **aCell, nsIDOMRange **aRange)
|
|
{
|
|
if (!aCell) return NS_ERROR_NULL_POINTER;
|
|
*aCell = nsnull;
|
|
if (aRange) *aRange = nsnull;
|
|
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
nsresult res = nsEditor::GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_FAILURE;
|
|
|
|
PRInt32 rangeCount;
|
|
res = selection->GetRangeCount(&rangeCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Don't even try if index exceeds range count
|
|
if (mSelectedCellIndex >= rangeCount)
|
|
{
|
|
// Should we reset index?
|
|
// Maybe better to force recalling GetFirstSelectedCell()
|
|
//mSelectedCellIndex = 0;
|
|
return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
}
|
|
|
|
// Get first node in next range of selection - test if it's a cell
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
res = selection->GetRangeAt(mSelectedCellIndex, getter_AddRefs(range));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!range) return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMNode> cellNode;
|
|
res = nsEditor::GetFirstNodeInRange(range, getter_AddRefs(cellNode));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!cellNode) return NS_ERROR_FAILURE;
|
|
if (IsTableCell(cellNode))
|
|
{
|
|
nsCOMPtr<nsIDOMElement> cellElement = do_QueryInterface(cellNode);
|
|
*aCell = cellElement.get();
|
|
NS_ADDREF(*aCell);
|
|
if (aRange)
|
|
{
|
|
*aRange = range.get();
|
|
NS_ADDREF(*aRange);
|
|
}
|
|
}
|
|
else
|
|
res = NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
// Setup for next cell
|
|
mSelectedCellIndex++;
|
|
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetFirstSelectedCellInTable(nsIDOMElement **aCell, PRInt32 *aRowIndex, PRInt32 *aColIndex)
|
|
{
|
|
if (!aCell) return NS_ERROR_NULL_POINTER;
|
|
*aCell = nsnull;
|
|
if (aRowIndex)
|
|
*aRowIndex = 0;
|
|
if (aColIndex)
|
|
*aColIndex = 0;
|
|
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
nsresult res = GetFirstSelectedCell(getter_AddRefs(cell), nsnull);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!cell) return NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
PRInt32 startRowIndex, startColIndex;
|
|
res = GetCellIndexes(cell, startRowIndex, startColIndex);
|
|
if(NS_FAILED(res)) return res;
|
|
|
|
// Start with first cell selected
|
|
nsCOMPtr<nsIDOMElement> firstCell = cell;
|
|
PRInt32 firstRowIndex = startRowIndex;
|
|
PRInt32 firstColIndex = startColIndex;
|
|
|
|
while (cell)
|
|
{
|
|
nsresult res = GetNextSelectedCell(getter_AddRefs(cell), nsnull);
|
|
if (NS_FAILED(res)) return res;
|
|
if (cell)
|
|
{
|
|
res = GetCellIndexes(cell, startRowIndex, startColIndex);
|
|
if(NS_FAILED(res)) return res;
|
|
// Find the topmost row
|
|
if (startRowIndex <= firstRowIndex)
|
|
{
|
|
// Then save the left-most cell in that row
|
|
if (startRowIndex < firstRowIndex ||
|
|
startColIndex < firstColIndex)
|
|
{
|
|
firstCell = cell;
|
|
firstRowIndex = startRowIndex;
|
|
firstColIndex = startColIndex;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
*aCell = firstCell.get();
|
|
NS_ADDREF(*aCell);
|
|
|
|
if (aRowIndex)
|
|
*aRowIndex = firstRowIndex;
|
|
if (aColIndex)
|
|
*aColIndex = firstColIndex;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SetSelectionAfterTableEdit(nsIDOMElement* aTable, PRInt32 aRow, PRInt32 aCol,
|
|
PRInt32 aDirection, PRBool aSelected)
|
|
{
|
|
nsresult res = NS_ERROR_NOT_INITIALIZED;
|
|
if (!aTable) return res;
|
|
|
|
nsCOMPtr<nsIDOMSelection>selection;
|
|
res = nsEditor::GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (!selection)
|
|
{
|
|
#ifdef DEBUG_cmanske
|
|
printf("Selection not found after table manipulation!\n");
|
|
#endif
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
PRBool done = PR_FALSE;
|
|
do {
|
|
res = GetCellAt(aTable, aRow, aCol, *getter_AddRefs(cell));
|
|
nsCOMPtr<nsIDOMNode> cellNode = do_QueryInterface(cell);
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
if (cell)
|
|
{
|
|
if (aSelected)
|
|
{
|
|
// Reselect the cell
|
|
return SelectElement(cell);
|
|
}
|
|
else
|
|
{
|
|
// Set the caret to deepest first child
|
|
// but don't go into nested tables
|
|
// TODO: Should we really be placing the caret at the END
|
|
// of the cell content?
|
|
return CollapseSelectionToDeepestNonTableFirstChild(selection, cellNode);
|
|
}
|
|
} else {
|
|
// Setup index to find another cell in the
|
|
// direction requested, but move in
|
|
// other direction if already at beginning of row or column
|
|
switch (aDirection)
|
|
{
|
|
case ePreviousColumn:
|
|
if (aCol == 0)
|
|
{
|
|
if (aRow > 0)
|
|
aRow--;
|
|
else
|
|
done = PR_TRUE;
|
|
}
|
|
else
|
|
aCol--;
|
|
break;
|
|
case ePreviousRow:
|
|
if (aRow == 0)
|
|
{
|
|
if (aCol > 0)
|
|
aCol--;
|
|
else
|
|
done = PR_TRUE;
|
|
}
|
|
else
|
|
aRow--;
|
|
break;
|
|
default:
|
|
done = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
break;
|
|
} while (!done);
|
|
|
|
// We didn't find a cell
|
|
// Set selection to just before the table
|
|
nsCOMPtr<nsIDOMNode> tableParent;
|
|
PRInt32 tableOffset;
|
|
res = aTable->GetParentNode(getter_AddRefs(tableParent));
|
|
if(NS_SUCCEEDED(res) && tableParent)
|
|
{
|
|
if(NS_SUCCEEDED(GetChildOffset(aTable, tableParent, tableOffset)))
|
|
return selection->Collapse(tableParent, tableOffset);
|
|
}
|
|
// Last resort: Set selection to start of doc
|
|
// (it's very bad to not have a valid selection!)
|
|
return SetSelectionAtDocumentStart(selection);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetSelectedOrParentTableElement(nsIDOMElement* &aTableElement, nsString& aTagName, PRInt32 &aSelectedCount)
|
|
{
|
|
aTableElement = nsnull;
|
|
aTagName.SetLength(0);
|
|
aSelectedCount = 0;
|
|
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
nsresult res = nsEditor::GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_FAILURE;
|
|
|
|
nsAutoString tableName; tableName.AssignWithConversion("table");
|
|
nsAutoString trName; trName.AssignWithConversion("tr");
|
|
nsAutoString tdName; tdName.AssignWithConversion("td");
|
|
|
|
nsCOMPtr<nsIDOMNode> anchorNode;
|
|
res = selection->GetAnchorNode(getter_AddRefs(anchorNode));
|
|
if(NS_FAILED(res)) return res;
|
|
if (!anchorNode) return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMElement> tableElement;
|
|
nsCOMPtr<nsIDOMNode> selectedNode;
|
|
|
|
// Get child of anchor node, if exists
|
|
PRBool hasChildren;
|
|
anchorNode->HasChildNodes(&hasChildren);
|
|
|
|
if (hasChildren)
|
|
{
|
|
PRInt32 anchorOffset;
|
|
res = selection->GetAnchorOffset(&anchorOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
selectedNode = nsEditor::GetChildAt(anchorNode, anchorOffset);
|
|
if (!selectedNode)
|
|
{
|
|
selectedNode = anchorNode;
|
|
// If anchor doesn't have a child, we can't be selecting a table element,
|
|
// so don't do the following:
|
|
} else {
|
|
nsAutoString tag;
|
|
nsEditor::GetTagString(selectedNode,tag);
|
|
|
|
if (tag == tdName)
|
|
{
|
|
tableElement = do_QueryInterface(selectedNode);
|
|
aTagName = tdName;
|
|
// Each cell is in its own selection range,
|
|
// so count signals multiple-cell selection
|
|
res = selection->GetRangeCount(&aSelectedCount);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else if(tag == tableName)
|
|
{
|
|
tableElement = do_QueryInterface(selectedNode);
|
|
aTagName = tableName;
|
|
aSelectedCount = 1;
|
|
}
|
|
else if(tag == trName)
|
|
{
|
|
tableElement = do_QueryInterface(selectedNode);
|
|
aTagName = trName;
|
|
aSelectedCount = 1;
|
|
}
|
|
}
|
|
}
|
|
if (!tableElement)
|
|
{
|
|
// Didn't find a table element -- find a cell parent
|
|
res = GetElementOrParentByTagName(tdName, anchorNode, getter_AddRefs(tableElement));
|
|
if(NS_FAILED(res)) return res;
|
|
if (tableElement)
|
|
aTagName = tdName;
|
|
}
|
|
if (tableElement)
|
|
{
|
|
aTableElement = tableElement.get();
|
|
NS_ADDREF(aTableElement);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static PRBool IndexNotTested(nsVoidArray *aArray, PRInt32 aIndex)
|
|
{
|
|
if (aArray)
|
|
{
|
|
PRInt32 count = aArray->Count();
|
|
for (PRInt32 i = 0; i < count; i++)
|
|
{
|
|
if(aIndex == (PRInt32)(aArray->ElementAt(i)))
|
|
return PR_FALSE;
|
|
}
|
|
}
|
|
return PR_TRUE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetSelectedCellsType(nsIDOMElement *aElement, PRUint32 &aSelectionType)
|
|
{
|
|
aSelectionType = 0;
|
|
|
|
// Be sure we have a table element
|
|
// (if aElement is null, this uses selection's anchor node)
|
|
nsCOMPtr<nsIDOMElement> table;
|
|
|
|
nsresult res = GetElementOrParentByTagName(NS_ConvertASCIItoUCS2("table"), aElement, getter_AddRefs(table));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
PRInt32 rowCount, colCount;
|
|
res = GetTableSize(table, rowCount, colCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Traverse all selected cells
|
|
nsCOMPtr<nsIDOMElement> selectedCell;
|
|
res = GetFirstSelectedCell(getter_AddRefs(selectedCell), nsnull);
|
|
if (NS_FAILED(res)) return res;
|
|
if (res == NS_EDITOR_ELEMENT_NOT_FOUND) return NS_OK;
|
|
|
|
// We have at least one selected cell, so set return value
|
|
aSelectionType = TABLESELECTION_CELL;
|
|
|
|
// Store indexes of each row/col to avoid duplication of searches
|
|
nsVoidArray indexArray;
|
|
|
|
PRBool allCellsInRowAreSelected = PR_TRUE;
|
|
PRBool allCellsInColAreSelected = PR_FALSE;
|
|
while (NS_SUCCEEDED(res) && selectedCell)
|
|
{
|
|
// Get the cell's location in the cellmap
|
|
PRInt32 startRowIndex, startColIndex;
|
|
res = GetCellIndexes(selectedCell, startRowIndex, startColIndex);
|
|
if(NS_FAILED(res)) return res;
|
|
|
|
if (IndexNotTested(&indexArray, startColIndex))
|
|
{
|
|
indexArray.AppendElement((void*)startColIndex);
|
|
allCellsInRowAreSelected = AllCellsInRowSelected(table, startRowIndex, colCount);
|
|
// We're done as soon as we fail for any row
|
|
if (!allCellsInRowAreSelected) break;
|
|
}
|
|
res = GetNextSelectedCell(getter_AddRefs(selectedCell), nsnull);
|
|
}
|
|
|
|
if (allCellsInRowAreSelected)
|
|
{
|
|
aSelectionType = TABLESELECTION_ROW;
|
|
return NS_OK;
|
|
}
|
|
// Test for columns
|
|
|
|
// Empty the indexArray
|
|
indexArray.Clear();
|
|
|
|
// Start at first cell again
|
|
res = GetFirstSelectedCell(getter_AddRefs(selectedCell), nsnull);
|
|
while (NS_SUCCEEDED(res) && selectedCell)
|
|
{
|
|
// Get the cell's location in the cellmap
|
|
PRInt32 startRowIndex, startColIndex;
|
|
res = GetCellIndexes(selectedCell, startRowIndex, startColIndex);
|
|
if(NS_FAILED(res)) return res;
|
|
|
|
if (IndexNotTested(&indexArray, startRowIndex))
|
|
{
|
|
indexArray.AppendElement((void*)startColIndex);
|
|
allCellsInColAreSelected = AllCellsInColumnSelected(table, startColIndex, colCount);
|
|
// We're done as soon as we fail for any column
|
|
if (!allCellsInRowAreSelected) break;
|
|
}
|
|
res = GetNextSelectedCell(getter_AddRefs(selectedCell), nsnull);
|
|
}
|
|
if (allCellsInColAreSelected)
|
|
aSelectionType = TABLESELECTION_COLUMN;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
PRBool
|
|
nsHTMLEditor::AllCellsInRowSelected(nsIDOMElement *aTable, PRInt32 aRowIndex, PRInt32 aNumberOfColumns)
|
|
{
|
|
if (!aTable) return PR_FALSE;
|
|
|
|
PRInt32 curStartRowIndex, curStartColIndex, rowSpan, colSpan, actualRowSpan, actualColSpan;
|
|
PRBool isSelected;
|
|
|
|
for( PRInt32 col = 0; col < aNumberOfColumns; col += actualColSpan)
|
|
{
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
nsresult res = GetCellDataAt(aTable, aRowIndex, col, *getter_AddRefs(cell),
|
|
curStartRowIndex, curStartColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
|
|
if (NS_FAILED(res)) return PR_FALSE;
|
|
// If no cell, we may have a "ragged" right edge,
|
|
// so return TRUE only if we already found a cell in the row
|
|
if (!cell) return (col > 0) ? PR_TRUE : PR_FALSE;
|
|
|
|
// Return as soon as a non-selected cell is found
|
|
if (!isSelected)
|
|
return PR_FALSE;
|
|
|
|
// Find cases that would yield infinite loop
|
|
NS_ASSERTION((actualColSpan > 0),"ActualColSpan = 0 in AllCellsInRowSelected");
|
|
}
|
|
return PR_TRUE;
|
|
}
|
|
|
|
PRBool
|
|
nsHTMLEditor::AllCellsInColumnSelected(nsIDOMElement *aTable, PRInt32 aColIndex, PRInt32 aNumberOfRows)
|
|
{
|
|
if (!aTable) return PR_FALSE;
|
|
|
|
PRInt32 curStartRowIndex, curStartColIndex, rowSpan, colSpan, actualRowSpan, actualColSpan;
|
|
PRBool isSelected;
|
|
|
|
for( PRInt32 row = 0; row < aNumberOfRows; row += actualRowSpan)
|
|
{
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
nsresult res = GetCellDataAt(aTable, row, aColIndex, *getter_AddRefs(cell),
|
|
curStartRowIndex, curStartColIndex, rowSpan, colSpan,
|
|
actualRowSpan, actualColSpan, isSelected);
|
|
|
|
if (NS_FAILED(res)) return PR_FALSE;
|
|
// If no cell, we must have a "ragged" right edge on the last column
|
|
// so return TRUE only if we already found a cell in the row
|
|
if (!cell) return (row > 0) ? PR_TRUE : PR_FALSE;
|
|
|
|
// Return as soon as a non-selected cell is found
|
|
if (!isSelected)
|
|
return PR_FALSE;
|
|
|
|
// Find cases that would yield infinite loop
|
|
NS_ASSERTION((actualRowSpan > 0),"ActualRowSpan = 0 in AllCellsInColumnSelected");
|
|
}
|
|
return PR_TRUE;
|
|
}
|