Added boolean flag to turn on use of merged columns in autosize
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@655282 13f79535-47bb-0310-9956-ffa450edef68
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@ -1685,6 +1685,23 @@ public final class HSSFSheet {
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* @param column the column index
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*/
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public void autoSizeColumn(short column) {
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autoSizeColumn(column, false);
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}
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/**
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* Adjusts the column width to fit the contents.
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*
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* This process can be relatively slow on large sheets, so this should
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* normally only be called once per column, at the end of your
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* processing.
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*
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* You can specify whether the content of merged cells should be considered or ignored.
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* Default is to ignore merged cells.
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*
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* @param column the column index
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* @param useMergedCells whether to use the contents of merged cells when calculating the width of the column
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*/
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public void autoSizeColumn(short column, boolean useMergedCells) {
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AttributedString str;
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TextLayout layout;
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/**
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@ -1693,13 +1710,13 @@ public final class HSSFSheet {
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* '0' looks to be a good choice.
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*/
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char defaultChar = '0';
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/**
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* This is the multiple that the font height is scaled by when determining the
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* boundary of rotated text.
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*/
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double fontHeightMultiple = 2.0;
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FontRenderContext frc = new FontRenderContext(null, true, true);
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HSSFWorkbook wb = new HSSFWorkbook(book);
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@ -1711,21 +1728,27 @@ public final class HSSFSheet {
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int defaultCharWidth = (int)layout.getAdvance();
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double width = -1;
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rows:
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for (Iterator it = rowIterator(); it.hasNext();) {
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HSSFRow row = (HSSFRow) it.next();
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HSSFCell cell = row.getCell(column);
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boolean isCellInMergedRegion = false;
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for (int i = 0 ; i < getNumMergedRegions() && ! isCellInMergedRegion; i++) {
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isCellInMergedRegion = getMergedRegionAt(i).contains(row.getRowNum(), column);
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}
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if (cell == null) continue;
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if (cell == null | isCellInMergedRegion) continue;
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int colspan = 1;
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for (int i = 0 ; i < getNumMergedRegions(); i++) {
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if (getMergedRegionAt(i).contains(row.getRowNum(), column)) {
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if (!useMergedCells) {
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// If we're not using merged cells, skip this one and move on to the next.
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continue rows;
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}
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cell = row.getCell(getMergedRegionAt(i).getColumnFrom());
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colspan = 1+ getMergedRegionAt(i).getColumnTo() - getMergedRegionAt(i).getColumnFrom();
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}
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}
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HSSFCellStyle style = cell.getCellStyle();
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HSSFFont font = wb.getFontAt(style.getFontIndex());
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//the number of spaces to indent the text in the cell
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int indention = style.getIndention();
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if (cell.getCellType() == HSSFCell.CELL_TYPE_STRING) {
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HSSFRichTextString rt = cell.getRichStringCellValue();
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@ -1758,9 +1781,9 @@ public final class HSSFSheet {
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trans.concatenate(
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AffineTransform.getScaleInstance(1, fontHeightMultiple)
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);
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width = Math.max(width, layout.getOutline(trans).getBounds().getWidth() / defaultCharWidth + indention);
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width = Math.max(width, ((layout.getOutline(trans).getBounds().getWidth() / colspan) / defaultCharWidth) + cell.getCellStyle().getIndention());
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} else {
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width = Math.max(width, layout.getBounds().getWidth() / defaultCharWidth + indention);
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width = Math.max(width, ((layout.getBounds().getWidth() / colspan) / defaultCharWidth) + cell.getCellStyle().getIndention());
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}
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}
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} else {
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@ -1803,19 +1826,19 @@ public final class HSSFSheet {
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trans.concatenate(
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AffineTransform.getScaleInstance(1, fontHeightMultiple)
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);
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width = Math.max(width, layout.getOutline(trans).getBounds().getWidth() / defaultCharWidth + indention);
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width = Math.max(width, ((layout.getOutline(trans).getBounds().getWidth() / colspan) / defaultCharWidth) + cell.getCellStyle().getIndention());
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} else {
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width = Math.max(width, layout.getBounds().getWidth() / defaultCharWidth + indention);
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width = Math.max(width, ((layout.getBounds().getWidth() / colspan) / defaultCharWidth) + cell.getCellStyle().getIndention());
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}
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}
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}
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if (width != -1) {
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if (width > Short.MAX_VALUE) { //calculated width can be greater that Short.MAX_VALUE!
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width = Short.MAX_VALUE;
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}
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sheet.setColumnWidth(column, (short) (width * 256));
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}
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if (width != -1) {
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if (width > Short.MAX_VALUE) { //width can be bigger that Short.MAX_VALUE!
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width = Short.MAX_VALUE;
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}
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sheet.setColumnWidth(column, (short) (width * 256));
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}
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}
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