/** * This method process the cells in a <code>Document</code> and generates a portion of the <code> * Document</code>. * * <p>This method assumes that records are sorted by row and then column. * * @param root The <code>Node</code> of the <code>Document</code> we are building that we will * append our cell <code>Node</code> objects. This <code>Node</code> should be a TAG_TABLE * tag. * @throws IOException If any I/O error occurs. */ protected void processColumns(Node root) throws IOException { for (Iterator<ColumnRowInfo> e = decoder.getColumnRowInfos(); e.hasNext(); ) { ColumnRowInfo ci = e.next(); if (ci.isColumn()) { ColumnStyle cStyle = new ColumnStyle( "Default", SxcConstants.COLUMN_STYLE_FAMILY, SxcConstants.DEFAULT_STYLE, ci.getSize(), null); Style result[] = styleCat.getMatching(cStyle); String styleName; if (result.length == 0) { cStyle.setName("co" + colStyles++); styleName = cStyle.getName(); Debug.log(Debug.TRACE, "No existing style found, adding " + styleName); styleCat.add(cStyle); } else { ColumnStyle existingStyle = (ColumnStyle) result[0]; styleName = existingStyle.getName(); Debug.log(Debug.TRACE, "Existing style found : " + styleName); } // Create an element node for the new row Element colElement = doc.createElement(TAG_TABLE_COLUMN); colElement.setAttribute(ATTRIBUTE_TABLE_STYLE_NAME, styleName); if (ci.getRepeated() != 1) { String repeatStr = String.valueOf(ci.getRepeated()); colElement.setAttribute(ATTRIBUTE_TABLE_NUM_COLUMNS_REPEATED, repeatStr); } root.appendChild(colElement); } } }
/** * This method process the cells in a <code>Document</code> and generates a portion of the <code> * Document</code>. * * <p>This method assumes that records are sorted by row and then column. * * @param root The <code>Node</code> of the <code>Document</code> we are building that we will * append our cell <code>Node</code> objects. This <code>Node</code> should be a TAG_TABLE * tag. * @throws IOException If any I/O error occurs. */ protected void processCells(Node root) throws IOException { // The current row element Element rowElement = null; // The current cell element Element cellElement = null; // The row number - we may not have any rows (empty sheet) // so set to zero. int row = 0; // The column number - This is the expected column number of // the next cell we are reading. int col = 1; // The number of columns in the spreadsheet int lastColumn = decoder.getNumberOfColumns(); Node autoStylesNode = null; // Loop over all cells in the spreadsheet while (decoder.goToNextCell()) { // Get the row number int newRow = decoder.getRowNumber(); // Is the cell in a new row, or part of the current row? if (newRow != row) { // Make sure that all the cells in the previous row // have been entered. if (col <= lastColumn && rowElement != null) { int numSkippedCells = lastColumn - col + 1; addEmptyCells(numSkippedCells, rowElement); } // log an end row - if we already have a row if (row != 0) { Debug.log(Debug.TRACE, "</tr>"); } // How far is the new row from the last row? int deltaRows = newRow - row; // Check if we have skipped any rows if (deltaRows > 1) { // Add in empty rows addEmptyRows(deltaRows - 1, root, lastColumn); } // Re-initialize column (since we are in a new row) col = 1; // Create an element node for the new row rowElement = doc.createElement(TAG_TABLE_ROW); for (Iterator<ColumnRowInfo> e = decoder.getColumnRowInfos(); e.hasNext(); ) { ColumnRowInfo cri = e.next(); if (cri.isRow() && cri.getRepeated() == newRow - 1) { // We have the correct Row BIFFRecord for this row RowStyle rStyle = new RowStyle( "Default", SxcConstants.ROW_STYLE_FAMILY, SxcConstants.DEFAULT_STYLE, cri.getSize(), null); Style result[] = styleCat.getMatching(rStyle); String styleName; if (result.length == 0) { rStyle.setName("ro" + rowStyles++); styleName = rStyle.getName(); Debug.log(Debug.TRACE, "No existing style found, adding " + styleName); styleCat.add(rStyle); } else { RowStyle existingStyle = (RowStyle) result[0]; styleName = existingStyle.getName(); Debug.log(Debug.TRACE, "Existing style found : " + styleName); } rowElement.setAttribute(ATTRIBUTE_TABLE_STYLE_NAME, styleName); // For now we will not use the repeat column attribute } } // Append the row element to the root node root.appendChild(rowElement); // Update row number row = newRow; Debug.log(Debug.TRACE, "<tr>"); } // Get the column number of the current cell int newCol = decoder.getColNumber(); // Check to see if some columns were skipped if (newCol != col) { // How many columns have we skipped? int numColsSkipped = newCol - col; addEmptyCells(numColsSkipped, rowElement); // Update the column number to account for the // skipped cells col = newCol; } // Lets start dealing with the cell data Debug.log(Debug.TRACE, "<td>"); // Get the cell's contents String cellContents = decoder.getCellContents(); // Get the type of the data in the cell String cellType = decoder.getCellDataType(); // Get the cell format Format fmt = decoder.getCellFormat(); // Create an element node for the cell cellElement = doc.createElement(TAG_TABLE_CELL); Node bodyNode = doc.getElementsByTagName(TAG_OFFICE_BODY).item(0); // Not every document has an automatic style tag autoStylesNode = doc.getElementsByTagName(TAG_OFFICE_AUTOMATIC_STYLES).item(0); if (autoStylesNode == null) { autoStylesNode = doc.createElement(TAG_OFFICE_AUTOMATIC_STYLES); doc.insertBefore(autoStylesNode, bodyNode); } CellStyle tStyle = new CellStyle( "Default", SxcConstants.TABLE_CELL_STYLE_FAMILY, SxcConstants.DEFAULT_STYLE, fmt, null); String styleName; Style result[] = styleCat.getMatching(tStyle); if (result.length == 0) { tStyle.setName("ce" + textStyles++); styleName = tStyle.getName(); Debug.log(Debug.TRACE, "No existing style found, adding " + styleName); styleCat.add(tStyle); } else { CellStyle existingStyle = (CellStyle) result[0]; styleName = existingStyle.getName(); Debug.log(Debug.TRACE, "Existing style found : " + styleName); } cellElement.setAttribute(ATTRIBUTE_TABLE_STYLE_NAME, styleName); // Store the cell data into the appropriate attributes processCellData(cellElement, cellType, cellContents); // Append the cell element to the row node rowElement.appendChild(cellElement); // Append the cellContents as a text node Element textElement = doc.createElement(TAG_PARAGRAPH); cellElement.appendChild(textElement); textElement.appendChild(doc.createTextNode(cellContents)); Debug.log(Debug.TRACE, cellContents); Debug.log(Debug.TRACE, "</td>"); // Increment to the column number of the next expected cell col++; } // Make sure that the last row is padded correctly if (col <= lastColumn && rowElement != null) { int numSkippedCells = lastColumn - col + 1; addEmptyCells(numSkippedCells, rowElement); } // Now write the style catalog to the document if (autoStylesNode != null) { Debug.log(Debug.TRACE, "Well the autostyle node was found!!!"); NodeList nl = styleCat.writeNode(doc, "dummy").getChildNodes(); int nlLen = nl.getLength(); // nl.item reduces the length for (int i = 0; i < nlLen; i++) { autoStylesNode.appendChild(nl.item(0)); } } if (row != 0) { // The sheet does have rows, so write out a /tr Debug.log(Debug.TRACE, "</tr>"); } }