зеркало из https://github.com/mozilla/pjs.git
658 строки
19 KiB
C++
658 строки
19 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsVoidArray.h"
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#include "nsCellMap.h"
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#include "nsTableFrame.h"
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#include "nsTableCellFrame.h"
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// CellData
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CellData::CellData()
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{
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mOrigCell = nsnull;
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mRowSpanData = nsnull;
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mColSpanData = nsnull;
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}
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CellData::~CellData()
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{}
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// nsCellMap
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nsCellMap::nsCellMap(int aRowCount, int aColCount)
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: mNumCollapsedRows(0),
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mNumCollapsedCols(0),
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mRowCount(0),
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mNextAvailRowIndex(0)
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{
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mIsCollapsedRows = nsnull;
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mIsCollapsedCols = nsnull;
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Grow(aRowCount, aColCount);
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}
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nsCellMap::~nsCellMap()
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{
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PRInt32 mapRowCount = mRows.Count();
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PRInt32 colCount = mNumCellsOrigInCol.Count();
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PRInt32 colX;
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for (PRInt32 rowX = 0; rowX < mapRowCount; rowX++) {
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nsVoidArray* row = (nsVoidArray *)(mRows.ElementAt(rowX));
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for (colX = 0; colX < colCount; colX++) {
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CellData* data = (CellData *)(row->ElementAt(colX));
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if (data) {
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delete data;
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}
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}
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delete row;
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PRInt32* numOrig = (PRInt32 *)mNumCellsOrigInRow.ElementAt(rowX);
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if (numOrig) {
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delete numOrig;
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}
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}
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for (colX = 0; colX < colCount; colX++) {
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PRInt32* val = (PRInt32 *)mNumCellsOrigInCol.ElementAt(colX);
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if (val) {
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delete val;
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}
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}
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if (nsnull != mIsCollapsedRows) {
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delete [] mIsCollapsedRows;
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mIsCollapsedRows = nsnull;
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mNumCollapsedRows = 0;
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}
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if (nsnull != mIsCollapsedCols) {
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delete [] mIsCollapsedCols;
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mIsCollapsedCols = nsnull;
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mNumCollapsedCols = 0;
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}
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};
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void nsCellMap::AddColsAtEnd(PRUint32 aNumCols)
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{
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Grow(mRowCount, mNumCellsOrigInCol.Count() + aNumCols);
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}
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PRInt32 nsCellMap::GetNextAvailRowIndex()
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{
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return mNextAvailRowIndex++;
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}
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void nsCellMap::Grow(PRInt32 aNumMapRows,
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PRInt32 aNumCols)
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{
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PRInt32 origNumMapRows = mRows.Count();
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PRInt32 origNumCols = mNumCellsOrigInCol.Count();
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// if the number of columns has increased, we need to add extra cols to mNumColsOriginating and
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// each row in mRows.
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if (origNumCols < aNumCols) {
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PRInt32 colX;
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for (PRInt32 rowX = 0; rowX < origNumMapRows; rowX++) {
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nsVoidArray* row = (nsVoidArray *)(mRows.ElementAt(rowX));
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const PRInt32 colsInRow = row->Count();
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for (colX = colsInRow; colX < aNumCols; colX++) {
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row->AppendElement(nsnull);
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}
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}
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// update the col array
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for (colX = origNumCols; colX < aNumCols; colX++) {
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PRInt32* val = new PRInt32(0);
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if (val) {
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mNumCellsOrigInCol.AppendElement(val);
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}
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}
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}
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// if the number of rows has increased, add the extra rows. the new
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// rows get the new number of cols
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PRInt32 newRows = aNumMapRows - origNumMapRows;
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for ( ; newRows > 0; newRows--) {
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nsVoidArray* row;
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row = (0 == aNumCols) ? new nsVoidArray() : new nsVoidArray(aNumCols);
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if (row) {
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mRows.AppendElement(row);
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}
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PRInt32* val = new PRInt32(0);
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if (val) {
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mNumCellsOrigInRow.AppendElement(val);
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}
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}
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}
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void nsCellMap::InsertRowIntoMap(PRInt32 aRowIndex)
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{
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// XXX This function does not yet handle spans.
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// XXX Does this function need to worry about adjusting the collapsed row/col arrays?
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nsVoidArray* row;
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PRInt32 origNumCols = mNumCellsOrigInCol.Count();
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row = (0 == origNumCols) ? new nsVoidArray() : new nsVoidArray(origNumCols);
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if (row) {
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mRows.InsertElementAt(row, aRowIndex);
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}
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PRInt32* val = new PRInt32(0);
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if (val) {
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mNumCellsOrigInRow.InsertElementAt(val, aRowIndex);
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}
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mRowCount++;
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mNextAvailRowIndex++;
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}
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void nsCellMap::RemoveRowFromMap(PRInt32 aRowIndex)
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{
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// XXX This function does not yet handle spans.
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// XXX Does this function need to worry about adjusting the collapsed row/col arrays?
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PRInt32 colCount = mNumCellsOrigInCol.Count();
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for (PRInt32 i = 0; i < colCount; i++) {
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// Adjust the column counts.
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PRInt32 span;
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PRBool originates;
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GetCellInfoAt(aRowIndex, i, &originates, &span);
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if (originates) {
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// Decrement the column count.
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PRInt32* cols = (PRInt32*)(mNumCellsOrigInCol.ElementAt(i));
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*cols = *cols-1;
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}
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}
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// Delete the originating row info.
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PRInt32* numOrig = (PRInt32 *)mNumCellsOrigInRow.ElementAt(aRowIndex);
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mNumCellsOrigInRow.RemoveElementAt(aRowIndex);
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if (numOrig)
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delete numOrig;
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// Delete our row information.
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nsVoidArray* row = (nsVoidArray *)(mRows.ElementAt(aRowIndex));
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for (PRInt32 colX = 0; colX < colCount; colX++) {
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CellData* data = (CellData *)(row->ElementAt(colX));
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if (data) {
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delete data;
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}
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}
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mRows.RemoveElementAt(aRowIndex);
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delete row;
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// Decrement our row and next available index counts.
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mRowCount--;
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mNextAvailRowIndex--;
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}
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PRInt32 nsCellMap::AppendCell(nsTableCellFrame* aCellFrame,
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PRInt32 aRowIndex)
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{
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NS_ASSERTION(aCellFrame, "bad cell frame");
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PRInt32 origNumMapRows = mRows.Count();
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PRInt32 origNumCols = mNumCellsOrigInCol.Count();
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// get the first null CellData in the desired row. It may be 1 past the end if there are none
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PRInt32 startColIndex;
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if (aRowIndex < origNumMapRows) {
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for (startColIndex = 0; startColIndex < origNumCols; startColIndex++) {
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CellData* data = GetMapCellAt(aRowIndex, startColIndex);
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if (!data) {
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break; // we found the col
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}
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}
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}
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else {
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startColIndex = 0;
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}
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mRowCount = PR_MAX(mRowCount, aRowIndex + 1);
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PRInt32 rowSpan = aCellFrame->GetRowSpan();
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PRInt32 colSpan = aCellFrame->GetColSpan();
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// Grow. we may need to add new rows/cols
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PRInt32 spanNumRows = aRowIndex + rowSpan;
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PRInt32 spanNumCols = startColIndex + colSpan;
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if ((spanNumRows >= origNumMapRows) || (spanNumCols >= origNumCols)) {
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Grow(spanNumRows, spanNumCols);
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}
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// Setup CellData for this cell
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CellData* origData = new CellData(aCellFrame, nsnull, nsnull);
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SetMapCellAt(*origData, aRowIndex, startColIndex);
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// reset the col index of the cell frame
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PRInt32 oldColIndex;
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aCellFrame->GetColIndex(oldColIndex);
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if (startColIndex != oldColIndex) {
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// only do this if they are different since it changes content
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aCellFrame->SetColIndex(startColIndex);
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}
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// Create CellData objects for the rows that this cell spans. Set
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// their mOrigCell to nsnull and their mSpanData to point to data.
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for (PRInt32 rowX = aRowIndex; rowX < spanNumRows; rowX++) {
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for (PRInt32 colX = startColIndex; colX < spanNumCols; colX++) {
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if ((rowX != aRowIndex) || (colX != startColIndex)) { // skip orig cell data done above
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CellData* cellData = GetMapCellAt(rowX, colX);
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if (cellData) {
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NS_ASSERTION(!cellData->mOrigCell, "cannot overlap originating cell");
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if (rowX > aRowIndex) { // row spanning into cell
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if (cellData->mRowSpanData) {
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NS_ASSERTION(PR_FALSE, "too many overlaps");
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}
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else {
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cellData->mRowSpanData = origData;
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}
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}
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if (colX > startColIndex) { // col spanning into cell
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if (cellData->mColSpanData) {
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NS_ASSERTION(PR_FALSE, "too many overlaps");
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}
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else {
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cellData->mColSpanData = origData;
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}
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}
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}
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else {
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cellData = new CellData(nsnull, nsnull, nsnull);
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if (rowX > aRowIndex)
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cellData->mRowSpanData = origData;
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if (colX > startColIndex)
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cellData->mColSpanData = origData;
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SetMapCellAt(*cellData, rowX, colX);
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}
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}
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}
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}
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return startColIndex;
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}
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void nsCellMap::RemoveCell(nsTableCellFrame* aCellFrame,
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PRInt32 aRowIndex)
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{
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// XXX write me. For now the cell map is recalculate from scratch when a cell is deleted
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}
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PRInt32 nsCellMap::GetNumCellsOriginatingInRow(PRInt32 aRowIndex) const
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{
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PRInt32 rowCount = mNumCellsOrigInRow.Count();
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if ((aRowIndex >= 0) && (aRowIndex < rowCount)) {
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return *((PRInt32 *)mNumCellsOrigInRow.ElementAt(aRowIndex));
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}
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else {
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NS_ASSERTION(PR_FALSE, "nsCellMap::GetNumCellsOriginatingInRow - bad row index");
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return 0;
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}
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}
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PRInt32 nsCellMap::GetNumCellsOriginatingInCol(PRInt32 aColIndex) const
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{
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PRInt32 colCount = mNumCellsOrigInCol.Count();
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if ((aColIndex >= 0) && (aColIndex < colCount)) {
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return *((PRInt32 *)mNumCellsOrigInCol.ElementAt(aColIndex));
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}
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else {
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NS_ASSERTION(PR_FALSE, "nsCellMap::GetNumCellsOriginatingInCol - bad col index");
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return 0;
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}
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}
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#ifdef NS_DEBUG
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void nsCellMap::Dump() const
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{
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printf("***** start CellMap Dump *****\n");
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PRInt32 mapRowCount = mRows.Count();
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PRInt32 colCount = mNumCellsOrigInCol.Count();
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PRInt32 colIndex;
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printf("mapRowCount=%d tableRowCount=%d, colCount=%d \n", mapRowCount, mRowCount, colCount);
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PRInt32 rowIndex;
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for (rowIndex = 0; rowIndex < mapRowCount; rowIndex++) {
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nsVoidArray* row = (nsVoidArray *)mRows.ElementAt(rowIndex);
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printf("row %d : ", rowIndex);
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for (colIndex = 0; colIndex < colCount; colIndex++) {
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CellData* cd = (CellData *)row->ElementAt(colIndex);
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if (cd) {
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if (cd->mOrigCell) {
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printf("C%d,%d ", rowIndex, colIndex);
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} else {
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nsTableCellFrame* cell = nsnull;
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int rr, cc;
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if (cd->mRowSpanData) {
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cell = cd->mRowSpanData->mOrigCell;
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nsTableRowFrame* rowFrame;
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cell->GetParent((nsIFrame**)&rowFrame);
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rr = rowFrame->GetRowIndex();
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cell->GetColIndex(cc);
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printf("r%d,%d ", rr, cc);
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}
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if (cd->mColSpanData){
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cell = cd->mColSpanData->mOrigCell;
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nsTableRowFrame* row2;
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cell->GetParent((nsIFrame**)&row2);
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rr = row2->GetRowIndex();
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cell->GetColIndex(cc);
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printf("c%d,%d ", rr, cc);
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}
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}
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} else {
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printf("---- ");
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}
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}
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printf("\n");
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}
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// output info mapping Ci,j to cell address
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PRInt32 cellCount = 0;
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for (PRInt32 rIndex = 0; rIndex < mapRowCount; rIndex++) {
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nsVoidArray* row = (nsVoidArray *)mRows.ElementAt(rIndex);
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for (colIndex = 0; colIndex < colCount; colIndex++) {
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CellData* cd = (CellData *)row->ElementAt(colIndex);
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if (cd) {
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if (cd->mOrigCell) {
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nsTableCellFrame* cellFrame = cd->mOrigCell;
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PRInt32 cellFrameColIndex;
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cellFrame->GetColIndex(cellFrameColIndex);
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printf("C%d,%d=%p(%d) ", rIndex, colIndex, cellFrame, cellFrameColIndex);
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cellCount++;
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}
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}
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}
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printf("\n");
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}
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// output cells originating in rows
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printf ("\ncells originating in rows array -> ");
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for (rowIndex = 0; rowIndex < mapRowCount; rowIndex++) {
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PRInt32* numCells = (PRInt32 *)mNumCellsOrigInRow.ElementAt(rowIndex);
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printf ("%d=%d ", rowIndex, *numCells);
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}
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printf("\n");
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// output col frame info
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printf("\n col frames ->");
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for (colIndex = 0; colIndex < mColFrames.Count(); colIndex++) {
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nsTableColFrame* colFrame = (nsTableColFrame *)mColFrames.ElementAt(colIndex);
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if (0 == (colIndex % 8))
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printf("\n");
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printf ("%d=%p ", colIndex, colFrame);
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}
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// output cells originating in cols
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printf ("\ncells originating in cols array -> ");
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for (colIndex = 0; colIndex < colCount; colIndex++) {
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PRInt32* numCells = (PRInt32 *)mNumCellsOrigInCol.ElementAt(colIndex);
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printf ("%d=%d ", colIndex, *numCells);
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}
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printf("\n");
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printf("\n***** end CellMap Dump *****\n");
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}
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#endif
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// only called if the cell at aMapRowIndex, aColIndex is null
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void nsCellMap::SetMapCellAt(CellData& aNewCell,
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PRInt32 aMapRowIndex,
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PRInt32 aColIndex)
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{
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nsVoidArray* row = (nsVoidArray *)(mRows.ElementAt(aMapRowIndex));
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row->ReplaceElementAt(&aNewCell, aColIndex);
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// update the originating cell counts if cell originates in this row, col
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if (aNewCell.mOrigCell) {
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PRInt32* numCells = (PRInt32 *)mNumCellsOrigInCol.ElementAt(aColIndex);
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(*numCells)++;
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numCells = (PRInt32 *)mNumCellsOrigInRow.ElementAt(aMapRowIndex);
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(*numCells)++;
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}
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}
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PRInt32 nsCellMap::GetEffectiveColSpan(PRInt32 aColIndex,
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const nsTableCellFrame* aCell) const
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{
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NS_PRECONDITION(nsnull != aCell, "bad cell arg");
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PRInt32 initialRowX;
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aCell->GetRowIndex(initialRowX);
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PRInt32 effColSpan = 0;
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PRInt32 colCount = mNumCellsOrigInCol.Count();
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for (PRInt32 colX = aColIndex; colX < colCount; colX++) {
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PRBool found = PR_FALSE;
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CellData* cellData = GetCellAt(initialRowX, colX);
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if (cellData) {
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if (cellData->mOrigCell) {
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if (cellData->mOrigCell == aCell) {
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found = PR_TRUE;
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}
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}
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else if (cellData->mColSpanData &&
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(cellData->mColSpanData->mOrigCell == aCell)) {
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found = PR_TRUE;
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}
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}
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if (found) {
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effColSpan++;
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}
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else {
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break;
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}
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}
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NS_ASSERTION(effColSpan > 0, "invalid col span or col index");
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return effColSpan;
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}
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nsTableCellFrame* nsCellMap::GetCellFrameOriginatingAt(PRInt32 aRowX,
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PRInt32 aColX) const
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{
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CellData* data = GetCellAt(aRowX, aColX);
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if (data) {
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return data->mOrigCell;
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}
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return nsnull;
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}
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nsTableCellFrame* nsCellMap::GetCellInfoAt(PRInt32 aRowX,
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PRInt32 aColX,
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PRBool* aOriginates,
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PRInt32* aColSpan) const
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{
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if (aOriginates)
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*aOriginates = PR_FALSE;
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CellData* data = GetCellAt(aRowX, aColX);
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nsTableCellFrame* cellFrame = nsnull;
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if (data) {
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if (data->mOrigCell) {
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cellFrame = data->mOrigCell;
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if (aOriginates)
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*aOriginates = PR_TRUE;
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if (aColSpan) {
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PRInt32 initialColIndex;
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cellFrame->GetColIndex(initialColIndex);
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*aColSpan = GetEffectiveColSpan(initialColIndex, cellFrame);
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}
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}
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else {
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if (data->mRowSpanData) {
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cellFrame = data->mRowSpanData->mOrigCell;
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}
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else if (data->mColSpanData) {
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cellFrame = data->mColSpanData->mOrigCell;
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}
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if (aColSpan)
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*aColSpan = 0;
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}
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}
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return cellFrame;
|
|
}
|
|
|
|
|
|
|
|
nsTableColFrame* nsCellMap::GetColumnFrame(PRInt32 aColIndex) const
|
|
{
|
|
return (nsTableColFrame *)(mColFrames.ElementAt(aColIndex));
|
|
}
|
|
|
|
PRInt32 nsCellMap::GetNumCollapsedRows() const
|
|
{
|
|
return mNumCollapsedRows;
|
|
}
|
|
|
|
PRBool nsCellMap::IsRowCollapsedAt(PRInt32 aRow) const
|
|
{
|
|
if ((aRow >= 0) && (aRow < mRowCount)) {
|
|
if (mIsCollapsedRows) {
|
|
return mIsCollapsedRows[aRow];
|
|
}
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
void nsCellMap::SetRowCollapsedAt(PRInt32 aRow, PRBool aValue)
|
|
{
|
|
if ((aRow >= 0) && (aRow < mRowCount)) {
|
|
if (nsnull == mIsCollapsedRows) {
|
|
mIsCollapsedRows = new PRPackedBool[mRowCount];
|
|
for (PRInt32 i = 0; i < mRowCount; i++) {
|
|
mIsCollapsedRows[i] = PR_FALSE;
|
|
}
|
|
}
|
|
if (mIsCollapsedRows[aRow] != aValue) {
|
|
if (PR_TRUE == aValue) {
|
|
mNumCollapsedRows++;
|
|
} else {
|
|
mNumCollapsedRows--;
|
|
}
|
|
mIsCollapsedRows[aRow] = aValue;
|
|
}
|
|
}
|
|
}
|
|
|
|
PRInt32 nsCellMap::GetNumCollapsedCols() const
|
|
{
|
|
return mNumCollapsedCols;
|
|
}
|
|
|
|
PRBool nsCellMap::IsColCollapsedAt(PRInt32 aCol) const
|
|
{
|
|
PRInt32 colCount = mNumCellsOrigInCol.Count();
|
|
if ((aCol >= 0) && (aCol < colCount)) {
|
|
if (mIsCollapsedCols) {
|
|
return mIsCollapsedCols[aCol];
|
|
}
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
void nsCellMap::SetColCollapsedAt(PRInt32 aCol, PRBool aValue)
|
|
{
|
|
PRInt32 colCount = mNumCellsOrigInCol.Count();
|
|
if ((aCol >= 0) && (aCol < colCount)) {
|
|
if (nsnull == mIsCollapsedCols) {
|
|
mIsCollapsedCols = new PRPackedBool[colCount];
|
|
for (PRInt32 i = 0; i < colCount; i++) {
|
|
mIsCollapsedCols[i] = PR_FALSE;
|
|
}
|
|
}
|
|
if (mIsCollapsedCols[aCol] != aValue) {
|
|
if (PR_TRUE == aValue) {
|
|
mNumCollapsedCols++;
|
|
} else {
|
|
mNumCollapsedCols--;
|
|
}
|
|
mIsCollapsedCols[aCol] = aValue;
|
|
}
|
|
}
|
|
}
|
|
|
|
PRBool nsCellMap::RowIsSpannedInto(PRInt32 aRowIndex) const
|
|
{
|
|
if ((0 > aRowIndex) || (aRowIndex >= mRowCount)) {
|
|
return PR_FALSE;
|
|
}
|
|
PRInt32 colCount = mNumCellsOrigInCol.Count();
|
|
for (PRInt32 colIndex = 0; colIndex < colCount; colIndex++) {
|
|
CellData* cd = GetCellAt(aRowIndex, colIndex);
|
|
if (cd) { // there's really a cell at (aRowIndex, colIndex)
|
|
if (!cd->mOrigCell) { // the cell at (aRowIndex, colIndex) is the result of a span
|
|
if (cd->mRowSpanData && cd->mRowSpanData->mOrigCell)
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
PRBool nsCellMap::RowHasSpanningCells(PRInt32 aRowIndex) const
|
|
{
|
|
if ((0 > aRowIndex) || (aRowIndex >= mRowCount)) {
|
|
return PR_FALSE;
|
|
}
|
|
PRInt32 colCount = mNumCellsOrigInCol.Count();
|
|
if (aRowIndex != mRowCount - 1) {
|
|
// aRowIndex is not the last row, so we check the next row after aRowIndex for spanners
|
|
for (PRInt32 colIndex = 0; colIndex < colCount; colIndex++) {
|
|
CellData* cd = GetCellAt(aRowIndex, colIndex);
|
|
if (cd && (cd->mOrigCell)) { // cell originates
|
|
CellData* cd2 = GetCellAt(aRowIndex + 1, colIndex);
|
|
if (cd2 && !cd2->mOrigCell && cd2->mRowSpanData) { // cd2 is spanned by a row
|
|
if (cd->mOrigCell == cd2->mRowSpanData->mOrigCell)
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
PRBool nsCellMap::ColIsSpannedInto(PRInt32 aColIndex) const
|
|
{
|
|
if ((0 > aColIndex) || (aColIndex >= mNumCellsOrigInCol.Count())) {
|
|
return PR_FALSE;
|
|
}
|
|
for (PRInt32 rowIndex = 0; rowIndex < mRowCount; rowIndex++) {
|
|
CellData* cd = GetCellAt(rowIndex, aColIndex);
|
|
if (cd) { // there's really a cell at (aRowIndex, colIndex)
|
|
if (!cd->mOrigCell) { // the cell at (aRowIndex, colIndex) is the result of a span
|
|
if (cd->mColSpanData && cd->mColSpanData->mOrigCell)
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
PRBool nsCellMap::ColHasSpanningCells(PRInt32 aColIndex) const
|
|
{
|
|
NS_PRECONDITION (aColIndex < mNumCellsOrigInCol.Count(), "bad col index arg");
|
|
PRInt32 colCount = mNumCellsOrigInCol.Count();
|
|
if ((0 > aColIndex) || (aColIndex >= colCount - 1))
|
|
return PR_FALSE;
|
|
|
|
for (PRInt32 rowIndex = 0; rowIndex < mRowCount; rowIndex++) {
|
|
CellData* cd = GetCellAt(rowIndex, aColIndex);
|
|
if (cd && (cd->mOrigCell)) { // cell originates
|
|
CellData* cd2 = GetCellAt(rowIndex + 1, aColIndex);
|
|
if (cd2 && !cd2->mOrigCell && cd2->mColSpanData) { // cd2 is spanned by a col
|
|
if (cd->mOrigCell == cd2->mColSpanData->mOrigCell)
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
|