196 lines
7.5 KiB
Java
196 lines
7.5 KiB
Java
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/************************************************************************
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*
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* TableView.java
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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* Copyright: 2002-2008 by Henrik Just
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*
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* All Rights Reserved.
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*
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* Version 1.0 (2008-09-07)
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*
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*/
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package writer2latex.office;
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import org.w3c.dom.Element;
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import writer2latex.util.Misc;
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/**
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* This class represents a view of a <code>TableRange</code>. A view provides
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* read access to the range using a simple grid model.
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*/
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public class TableView {
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private TableReader reader;
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private TableRange range;
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// The size of the view (visible part of the range)
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private int nRowCount;
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private int nColCount;
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// Map view row/col index to original index
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private int[] nRowMap;
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private int[] nColMap;
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// The cells in the view
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private CellView[][] cells;
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public TableView(TableReader reader, TableRange range) {
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this.reader = reader;
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this.range = range;
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// Count visible rows & cols in this range
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nRowCount = 0;
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for (int nRow=range.getFirstRow(); nRow<=range.getLastRow(); nRow++) {
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if (isVisibleRow(nRow)) { nRowCount++; }
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}
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nColCount = 0;
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for (int nCol=range.getFirstCol(); nCol<=range.getLastCol(); nCol++) {
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if (isVisibleCol(nCol)) { nColCount++; }
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}
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// Fill the row & col maps
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nRowMap = new int[nRowCount];
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int nRealRow = range.getFirstRow();
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for (int nRow=0; nRow<nRowCount; nRow++) {
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// Skip invisible rows
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while (!isVisibleRow(nRealRow)) { nRealRow++; }
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nRowMap[nRow] = nRealRow++;
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}
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nColMap = new int[nColCount];
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int nRealCol = range.getFirstCol();
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for (int nCol=0; nCol<nColCount; nCol++) {
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// Skip invisible cols
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while (!isVisibleCol(nRealCol)) { nRealCol++; }
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nColMap[nCol] = nRealCol++;
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}
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// Initialize the cell views
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cells = new CellView[nRowCount][nColCount];
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for (int nRow=0; nRow<nRowCount; nRow++) {
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for (int nCol=0; nCol<nColCount; nCol++) {
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cells[nRow][nCol] = new CellView();
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}
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}
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// Fill the cell views
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// (must start in the upper left corner of the original table)
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int nViewRow = 0;
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for (int nRow=0; nRow<=range.getLastRow(); nRow++) {
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if (nViewRow<nRowCount && nRowMap[nViewRow]<nRow) { nViewRow++; }
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int nViewCol = 0;
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for (int nCol=0; nCol<=range.getLastCol(); nCol++) {
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if (nViewCol<nColCount && nColMap[nViewCol]<nCol) { nViewCol++; }
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Element cell = reader.getCell(nRow,nCol);
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if (Misc.isElement(cell,XMLString.TABLE_TABLE_CELL)) {
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int nRowSpan = Misc.getPosInteger(cell.getAttribute(XMLString.TABLE_NUMBER_ROWS_SPANNED),1);
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int nColSpan = Misc.getPosInteger(cell.getAttribute(XMLString.TABLE_NUMBER_COLUMNS_SPANNED),1);
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// Test if (parts of) the cell belongs the view
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if (nViewRow<nRowCount && nRowMap[nViewRow]<nRow+nRowSpan &&
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nViewCol<nColCount && nColMap[nViewCol]<nCol+nColSpan) {
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cells[nViewRow][nViewCol].cell=cell;
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cells[nViewRow][nViewCol].nOriginalRow=nRow;
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cells[nViewRow][nViewCol].nOriginalCol=nCol;
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// Calculate rowspan in view
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int i=nViewRow+1;
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while (i<nRowCount && nRowMap[i]<nRow+nRowSpan) { i++; }
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cells[nViewRow][nViewCol].nRowSpan = i-nViewRow;
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// Calculate colspan in view
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int j=nViewCol+1;
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while (j<nColCount && nColMap[j]<nCol+nColSpan) { j++; }
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cells[nViewRow][nViewCol].nColSpan = j-nViewCol;
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}
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}
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if (Misc.isElement(cell,XMLString.TABLE_COVERED_TABLE_CELL)) {
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// Don't overwrite, the position may be occupied with a relocated cell
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if (cells[nViewRow][nViewCol].cell==null) {
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cells[nViewRow][nViewCol].cell=cell;
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cells[nViewRow][nViewCol].nOriginalRow=nRow;
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cells[nViewRow][nViewCol].nOriginalCol=nCol;
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}
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}
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}
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}
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}
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public String getRelTableWidth() { return reader.getRelTableWidth(); }
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public int getRowCount() { return nRowCount; }
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public int getColCount() { return nColCount; }
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public String getColumnWidth(int nCol) {
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return 0<=nCol && nCol<=nColCount ? reader.getColumnWidth(nColMap[nCol]) : null;
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}
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// TODO: Recalculate - the sum should be 100% even in a view!!
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public String getRelColumnWidth(int nCol) {
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return 0<=nCol && nCol<=nColCount ? reader.getRelColumnWidth(nColMap[nCol]) : null;
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}
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public TableLine getRow(int nRow) {
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return 0<=nRow && nRow<nRowCount ? reader.getRow(nRowMap[nRow]) : null;
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}
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public TableLine getCol(int nCol) {
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return 0<=nCol && nCol<nColCount ? reader.getCol(nColMap[nCol]) : null;
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}
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public Element getCell(int nRow, int nCol) {
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return 0<=nRow && nRow<nRowCount && 0<=nCol && nCol<nColCount ?
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cells[nRow][nCol].cell : null;
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}
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public int getRowSpan(int nRow, int nCol) {
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return 0<=nRow && nRow<nRowCount && 0<=nCol && nCol<nColCount ?
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cells[nRow][nCol].nRowSpan : 1;
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}
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public int getColSpan(int nRow, int nCol) {
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return 0<=nRow && nRow<nRowCount && 0<=nCol && nCol<nColCount ?
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cells[nRow][nCol].nColSpan : 1;
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}
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public String getCellStyleName(int nRow, int nCol) {
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return 0<=nRow && nRow<nRowCount && 0<=nCol && nCol<nColCount ?
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reader.getCellStyleName(cells[nRow][nCol].nOriginalRow, cells[nRow][nCol].nOriginalCol) : null;
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}
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// TODO: Not correct, see TableReader
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public String getCellWidth(int nRow, int nCol) {
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return 0<=nRow && nRow<nRowCount && 0<=nCol && nCol<nColCount ?
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reader.getCellWidth(cells[nRow][nCol].nOriginalRow, cells[nRow][nCol].nOriginalCol) : null;
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}
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// Helper method: Is this row visible in this view?
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private boolean isVisibleRow(int nRow) {
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return nRow>=range.getFirstRow() && nRow<=range.getLastRow() &&
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(range.includeHidden() || !reader.getRow(nRow).isCollapse()) &&
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(range.includeFiltered() || !reader.getRow(nRow).isFilter());
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}
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// Helper method: Is this column visible in this view?
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private boolean isVisibleCol(int nCol) {
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return nCol>=range.getFirstCol() && nCol<=range.getLastCol() &&
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(range.includeHidden() || !reader.getCol(nCol).isCollapse()) &&
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(range.includeFiltered() || !reader.getCol(nCol).isFilter());
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}
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}
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