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/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.xssf.streaming;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import org.apache.poi.hssf.util.PaneInformation;
import org.apache.poi.ss.SpreadsheetVersion;
import org.apache.poi.ss.usermodel.AutoFilter;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellRange;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.DataValidation;
import org.apache.poi.ss.usermodel.DataValidationHelper;
import org.apache.poi.ss.usermodel.Drawing;
import org.apache.poi.ss.usermodel.Footer;
import org.apache.poi.ss.usermodel.Header;
import org.apache.poi.ss.usermodel.PrintSetup;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.SheetConditionalFormatting;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellAddress;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.SheetUtil;
import org.apache.poi.util.Internal;
import org.apache.poi.util.NotImplemented;
import org.apache.poi.xssf.usermodel.XSSFComment;
import org.apache.poi.xssf.usermodel.XSSFDataValidation;
import org.apache.poi.xssf.usermodel.XSSFHyperlink;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTSheetFormatPr;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTWorksheet;
/**
* Streaming version of XSSFSheet implementing the "BigGridDemo" strategy.
*/
public class SXSSFSheet implements Sheet, Cloneable
{
/*package*/ final XSSFSheet _sh;
private final SXSSFWorkbook _workbook;
private final TreeMap _rows=new TreeMap();
private final SheetDataWriter _writer;
private int _randomAccessWindowSize = SXSSFWorkbook.DEFAULT_WINDOW_SIZE;
private final AutoSizeColumnTracker _autoSizeColumnTracker;
private int outlineLevelRow = 0;
private int lastFlushedRowNumber = -1;
private boolean allFlushed = false;
public SXSSFSheet(SXSSFWorkbook workbook, XSSFSheet xSheet) throws IOException {
_workbook = workbook;
_sh = xSheet;
_writer = workbook.createSheetDataWriter();
setRandomAccessWindowSize(_workbook.getRandomAccessWindowSize());
_autoSizeColumnTracker = new AutoSizeColumnTracker(this);
}
/**
* for testing purposes only
*/
@Internal
SheetDataWriter getSheetDataWriter(){
return _writer;
}
/* Gets "" document fragment*/
public InputStream getWorksheetXMLInputStream() throws IOException
{
// flush all remaining data and close the temp file writer
flushRows(0);
_writer.close();
return _writer.getWorksheetXMLInputStream();
}
//start of interface implementation
@Override
public Iterator iterator()
{
return rowIterator();
}
/**
* Create a new row within the sheet and return the high level representation
*
* @param rownum row number
* @return high level Row object representing a row in the sheet
* @throws IllegalArgumentException If the max. number of rows is exceeded or
* a rownum is provided where the row is already flushed to disk.
* @see #removeRow(Row)
*/
@Override
public SXSSFRow createRow(int rownum)
{
int maxrow = SpreadsheetVersion.EXCEL2007.getLastRowIndex();
if (rownum < 0 || rownum > maxrow) {
throw new IllegalArgumentException("Invalid row number (" + rownum
+ ") outside allowable range (0.." + maxrow + ")");
}
// attempt to overwrite a row that is already flushed to disk
if(rownum <= _writer.getLastFlushedRow() ) {
throw new IllegalArgumentException(
"Attempting to write a row["+rownum+"] " +
"in the range [0," + _writer.getLastFlushedRow() + "] that is already written to disk.");
}
// attempt to overwrite a existing row in the input template
if(_sh.getPhysicalNumberOfRows() > 0 && rownum <= _sh.getLastRowNum() ) {
throw new IllegalArgumentException(
"Attempting to write a row["+rownum+"] " +
"in the range [0," + _sh.getLastRowNum() + "] that is already written to disk.");
}
SXSSFRow newRow=new SXSSFRow(this);
_rows.put(rownum,newRow);
allFlushed = false;
if(_randomAccessWindowSize>=0&&_rows.size()>_randomAccessWindowSize)
{
try
{
flushRows(_randomAccessWindowSize);
}
catch (IOException ioe)
{
throw new RuntimeException(ioe);
}
}
return newRow;
}
/**
* Remove a row from this sheet. All cells contained in the row are removed as well
*
* @param row representing a row to remove.
*/
@Override
public void removeRow(Row row)
{
if (row.getSheet() != this) {
throw new IllegalArgumentException("Specified row does not belong to this sheet");
}
for(Iterator> iter=_rows.entrySet().iterator();iter.hasNext();)
{
Map.Entry entry=iter.next();
if(entry.getValue()==row)
{
iter.remove();
return;
}
}
}
/**
* Returns the logical row (not physical) 0-based. If you ask for a row that is not
* defined you get a null. This is to say row 4 represents the fifth row on a sheet.
*
* @param rownum row to get (0-based)
* @return Row representing the rownumber or null if its not defined on the sheet
*/
@Override
public SXSSFRow getRow(int rownum)
{
return _rows.get(rownum);
}
/**
* Returns the number of physically defined rows (NOT the number of rows in the sheet)
*
* @return the number of physically defined rows in this sheet
*/
@Override
public int getPhysicalNumberOfRows()
{
return _rows.size()+_writer.getNumberOfFlushedRows();
}
/**
* Gets the first row on the sheet
*
* @return the number of the first logical row on the sheet (0-based)
*/
@Override
public int getFirstRowNum()
{
if(_writer.getNumberOfFlushedRows() > 0)
return _writer.getLowestIndexOfFlushedRows();
return _rows.size() == 0 ? 0 : _rows.firstKey();
}
/**
* Gets the last row on the sheet
*
* @return last row contained n this sheet (0-based)
*/
@Override
public int getLastRowNum()
{
return _rows.size() == 0 ? 0 : _rows.lastKey();
}
/**
* Get the visibility state for a given column
*
* @param columnIndex - the column to get (0-based)
* @param hidden - the visiblity state of the column
*/
@Override
public void setColumnHidden(int columnIndex, boolean hidden)
{
_sh.setColumnHidden(columnIndex,hidden);
}
/**
* Get the hidden state for a given column
*
* @param columnIndex - the column to set (0-based)
* @return hidden - false if the column is visible
*/
@Override
public boolean isColumnHidden(int columnIndex)
{
return _sh.isColumnHidden(columnIndex);
}
/**
* Set the width (in units of 1/256th of a character width)
*
* The maximum column width for an individual cell is 255 characters.
* This value represents the number of characters that can be displayed
* in a cell that is formatted with the standard font.
*
*
* @param columnIndex - the column to set (0-based)
* @param width - the width in units of 1/256th of a character width
*/
@Override
public void setColumnWidth(int columnIndex, int width)
{
_sh.setColumnWidth(columnIndex,width);
}
/**
* get the width (in units of 1/256th of a character width )
* @param columnIndex - the column to set (0-based)
* @return width - the width in units of 1/256th of a character width
*/
@Override
public int getColumnWidth(int columnIndex)
{
return _sh.getColumnWidth(columnIndex);
}
/**
* Get the actual column width in pixels
*
*
* Please note, that this method works correctly only for workbooks
* with the default font size (Calibri 11pt for .xlsx).
*
*/
@Override
public float getColumnWidthInPixels(int columnIndex) {
return _sh.getColumnWidthInPixels(columnIndex);
}
/**
* Set the default column width for the sheet (if the columns do not define their own width)
* in characters
*
* @param width default column width measured in characters
*/
@Override
public void setDefaultColumnWidth(int width)
{
_sh.setDefaultColumnWidth(width);
}
/**
* Get the default column width for the sheet (if the columns do not define their own width)
* in characters
*
* @return default column width measured in characters
*/
@Override
public int getDefaultColumnWidth()
{
return _sh.getDefaultColumnWidth();
}
/**
* Get the default row height for the sheet (if the rows do not define their own height) in
* twips (1/20 of a point)
*
* @return default row height measured in twips (1/20 of a point)
*/
@Override
public short getDefaultRowHeight()
{
return _sh.getDefaultRowHeight();
}
/**
* Get the default row height for the sheet (if the rows do not define their own height) in
* points.
*
* @return default row height in points
*/
@Override
public float getDefaultRowHeightInPoints()
{
return _sh.getDefaultRowHeightInPoints();
}
/**
* Set the default row height for the sheet (if the rows do not define their own height) in
* twips (1/20 of a point)
*
* @param height default row height measured in twips (1/20 of a point)
*/
@Override
public void setDefaultRowHeight(short height)
{
_sh.setDefaultRowHeight(height);
}
/**
* Set the default row height for the sheet (if the rows do not define their own height) in
* points
* @param height default row height
*/
@Override
public void setDefaultRowHeightInPoints(float height)
{
_sh.setDefaultRowHeightInPoints(height);
}
/**
* Returns the CellStyle that applies to the given
* (0 based) column, or null if no style has been
* set for that column
*/
@Override
public CellStyle getColumnStyle(int column)
{
return _sh.getColumnStyle(column);
}
/**
* Sets the CellStyle that applies to the given
* (0 based) column.
*/
// public CellStyle setColumnStyle(int column, CellStyle style);
/**
* Adds a merged region of cells (hence those cells form one)
*
* @param region (rowfrom/colfrom-rowto/colto) to merge
* @return index of this region
*/
@Override
public int addMergedRegion(CellRangeAddress region)
{
return _sh.addMergedRegion(region);
}
/**
* Adds a merged region of cells (hence those cells form one)
*
* @param region (rowfrom/colfrom-rowto/colto) to merge
* @return index of this region
*/
@Override
public int addMergedRegionUnsafe(CellRangeAddress region)
{
return _sh.addMergedRegionUnsafe(region);
}
/**
* Verify that merged regions do not intersect multi-cell array formulas and
* no merged regions intersect another merged region in this sheet.
*
* @throws IllegalStateException if region intersects with a multi-cell array formula
* @throws IllegalStateException if at least one region intersects with another merged region in this sheet
*/
@Override
public void validateMergedRegions() {
_sh.validateMergedRegions();
}
/**
* Determines whether the output is vertically centered on the page.
*
* @param value true to vertically center, false otherwise.
*/
@Override
public void setVerticallyCenter(boolean value)
{
_sh.setVerticallyCenter(value);
}
/**
* Determines whether the output is horizontally centered on the page.
*
* @param value true to horizontally center, false otherwise.
*/
@Override
public void setHorizontallyCenter(boolean value)
{
_sh.setHorizontallyCenter(value);
}
/**
* Determine whether printed output for this sheet will be horizontally centered.
*/
@Override
public boolean getHorizontallyCenter()
{
return _sh.getHorizontallyCenter();
}
/**
* Determine whether printed output for this sheet will be vertically centered.
*/
@Override
public boolean getVerticallyCenter()
{
return _sh.getVerticallyCenter();
}
/**
* Removes a merged region of cells (hence letting them free)
*
* @param index of the region to unmerge
*/
@Override
public void removeMergedRegion(int index)
{
_sh.removeMergedRegion(index);
}
/**
* Returns the number of merged regions
*
* @return number of merged regions
*/
@Override
public int getNumMergedRegions()
{
return _sh.getNumMergedRegions();
}
/**
* Returns the merged region at the specified index. If you want multiple
* regions, it is faster to call {@link #getMergedRegions()} than to call
* this each time.
*
* @return the merged region at the specified index
*/
@Override
public CellRangeAddress getMergedRegion(int index)
{
return _sh.getMergedRegion(index);
}
/**
* Returns the list of merged regions. If you want multiple regions, this is
* faster than calling {@link #getMergedRegion(int)} each time.
*
* @return the list of merged regions
*/
@Override
public List getMergedRegions() {
return _sh.getMergedRegions();
}
/**
* Returns an iterator of the physical rows
*
* @return an iterator of the PHYSICAL rows. Meaning the 3rd element may not
* be the third row if say for instance the second row is undefined.
*/
@Override
public Iterator rowIterator()
{
@SuppressWarnings("unchecked")
Iterator result = (Iterator)(Iterator)_rows.values().iterator();
return result;
}
/**
* Flag indicating whether the sheet displays Automatic Page Breaks.
*
* @param value true if the sheet displays Automatic Page Breaks.
*/
@Override
public void setAutobreaks(boolean value)
{
_sh.setAutobreaks(value);
}
/**
* Set whether to display the guts or not
*
* @param value - guts or no guts
*/
@Override
public void setDisplayGuts(boolean value)
{
_sh.setDisplayGuts(value);
}
/**
* Set whether the window should show 0 (zero) in cells containing zero value.
* When false, cells with zero value appear blank instead of showing the number zero.
*
* @param value whether to display or hide all zero values on the worksheet
*/
@Override
public void setDisplayZeros(boolean value)
{
_sh.setDisplayZeros(value);
}
/**
* Gets the flag indicating whether the window should show 0 (zero) in cells containing zero value.
* When false, cells with zero value appear blank instead of showing the number zero.
*
* @return whether all zero values on the worksheet are displayed
*/
@Override
public boolean isDisplayZeros()
{
return _sh.isDisplayZeros();
}
/**
* Sets whether the worksheet is displayed from right to left instead of from left to right.
*
* @param value true for right to left, false otherwise.
*/
@Override
public void setRightToLeft(boolean value)
{
_sh.setRightToLeft(value);
}
/**
* Whether the text is displayed in right-to-left mode in the window
*
* @return whether the text is displayed in right-to-left mode in the window
*/
@Override
public boolean isRightToLeft()
{
return _sh.isRightToLeft();
}
/**
* Flag indicating whether the Fit to Page print option is enabled.
*
* @param value true if the Fit to Page print option is enabled.
*/
@Override
public void setFitToPage(boolean value)
{
_sh.setFitToPage(value);
}
/**
* Flag indicating whether summary rows appear below detail in an outline, when applying an outline.
*
*
* When true a summary row is inserted below the detailed data being summarized and a
* new outline level is established on that row.
*
*
* When false a summary row is inserted above the detailed data being summarized and a new outline level
* is established on that row.
*
* @param value true if row summaries appear below detail in the outline
*/
@Override
public void setRowSumsBelow(boolean value)
{
_sh.setRowSumsBelow(value);
}
/**
* Flag indicating whether summary columns appear to the right of detail in an outline, when applying an outline.
*
*
* When true a summary column is inserted to the right of the detailed data being summarized
* and a new outline level is established on that column.
*
*
* When false a summary column is inserted to the left of the detailed data being
* summarized and a new outline level is established on that column.
*
* @param value true if col summaries appear right of the detail in the outline
*/
@Override
public void setRowSumsRight(boolean value)
{
_sh.setRowSumsRight(value);
}
/**
* Flag indicating whether the sheet displays Automatic Page Breaks.
*
* @return true if the sheet displays Automatic Page Breaks.
*/
@Override
public boolean getAutobreaks()
{
return _sh.getAutobreaks();
}
/**
* Get whether to display the guts or not,
* default value is true
*
* @return boolean - guts or no guts
*/
@Override
public boolean getDisplayGuts()
{
return _sh.getDisplayGuts();
}
/**
* Flag indicating whether the Fit to Page print option is enabled.
*
* @return true if the Fit to Page print option is enabled.
*/
@Override
public boolean getFitToPage()
{
return _sh.getFitToPage();
}
/**
* Flag indicating whether summary rows appear below detail in an outline, when applying an outline.
*
*
* When true a summary row is inserted below the detailed data being summarized and a
* new outline level is established on that row.
*
*
* When false a summary row is inserted above the detailed data being summarized and a new outline level
* is established on that row.
*
* @return true if row summaries appear below detail in the outline
*/
@Override
public boolean getRowSumsBelow()
{
return _sh.getRowSumsBelow();
}
/**
* Flag indicating whether summary columns appear to the right of detail in an outline, when applying an outline.
*
*
* When true a summary column is inserted to the right of the detailed data being summarized
* and a new outline level is established on that column.
*
*
* When false a summary column is inserted to the left of the detailed data being
* summarized and a new outline level is established on that column.
*
* @return true if col summaries appear right of the detail in the outline
*/
@Override
public boolean getRowSumsRight()
{
return _sh.getRowSumsRight();
}
/**
* Gets the flag indicating whether this sheet displays the lines
* between rows and columns to make editing and reading easier.
*
* @return true if this sheet displays gridlines.
* @see #isPrintGridlines() to check if printing of gridlines is turned on or off
*/
@Override
public boolean isPrintGridlines()
{
return _sh.isPrintGridlines();
}
/**
* Sets the flag indicating whether this sheet should display the lines
* between rows and columns to make editing and reading easier.
* To turn printing of gridlines use {@link #setPrintGridlines(boolean)}
*
*
* @param show true if this sheet should display gridlines.
* @see #setPrintGridlines(boolean)
*/
@Override
public void setPrintGridlines(boolean show)
{
_sh.setPrintGridlines(show);
}
/**
* Gets the print setup object.
*
* @return The user model for the print setup object.
*/
@Override
public PrintSetup getPrintSetup()
{
return _sh.getPrintSetup();
}
/**
* Gets the user model for the default document header.
*
* Note that XSSF offers more kinds of document headers than HSSF does
*
* @return the document header. Never null
*/
@Override
public Header getHeader()
{
return _sh.getHeader();
}
/**
* Gets the user model for the default document footer.
*
* Note that XSSF offers more kinds of document footers than HSSF does.
*
* @return the document footer. Never null
*/
@Override
public Footer getFooter()
{
return _sh.getFooter();
}
/**
* Sets a flag indicating whether this sheet is selected.
*
* Note: multiple sheets can be selected, but only one sheet can be active at one time.
*
* @param value true if this sheet is selected
* @see Workbook#setActiveSheet(int)
*/
@Override
public void setSelected(boolean value)
{
_sh.setSelected(value);
}
/**
* Gets the size of the margin in inches.
*
* @param margin which margin to get
* @return the size of the margin
*/
@Override
public double getMargin(short margin)
{
return _sh.getMargin(margin);
}
/**
* Sets the size of the margin in inches.
*
* @param margin which margin to get
* @param size the size of the margin
*/
@Override
public void setMargin(short margin, double size)
{
_sh.setMargin(margin,size);
}
/**
* Answer whether protection is enabled or disabled
*
* @return true => protection enabled; false => protection disabled
*/
@Override
public boolean getProtect()
{
return _sh.getProtect();
}
/**
* Sets the protection enabled as well as the password
* @param password to set for protection. Pass null to remove protection
*/
@Override
public void protectSheet(String password)
{
_sh.protectSheet(password);
}
/**
* Answer whether scenario protection is enabled or disabled
*
* @return true => protection enabled; false => protection disabled
*/
@Override
public boolean getScenarioProtect()
{
return _sh.getScenarioProtect();
}
/**
* Sets the zoom magnication for the sheet. The zoom is expressed as a
* fraction. For example to express a zoom of 75% use 3 for the numerator
* and 4 for the denominator.
*
* @param numerator The numerator for the zoom magnification.
* @param denominator The denominator for the zoom magnification.
* @deprecated 2015-11-23 (circa POI 3.14beta1). Use {@link #setZoom(int)} instead.
*/
@Override
public void setZoom(int numerator, int denominator)
{
_sh.setZoom(numerator,denominator);
}
/**
* Window zoom magnification for current view representing percent values.
* Valid values range from 10 to 400. Horizontal & Vertical scale together.
*
* For example:
*
* 10 - 10%
* 20 - 20%
* ...
* 100 - 100%
* ...
* 400 - 400%
*
*
* Current view can be Normal, Page Layout, or Page Break Preview.
*
* @param scale window zoom magnification
* @throws IllegalArgumentException if scale is invalid
*/
@Override
public void setZoom(int scale) {
_sh.setZoom(scale);
}
/**
* The top row in the visible view when the sheet is
* first viewed after opening it in a viewer
*
* @return short indicating the rownum (0 based) of the top row
*/
@Override
public short getTopRow()
{
return _sh.getTopRow();
}
/**
* The left col in the visible view when the sheet is
* first viewed after opening it in a viewer
*
* @return short indicating the rownum (0 based) of the top row
*/
@Override
public short getLeftCol()
{
return _sh.getLeftCol();
}
/**
* Sets desktop window pane display area, when the
* file is first opened in a viewer.
*
* @param toprow the top row to show in desktop window pane
* @param leftcol the left column to show in desktop window pane
*/
@Override
public void showInPane(int toprow, int leftcol)
{
_sh.showInPane(toprow, leftcol);
}
/**
* Control if Excel should be asked to recalculate all formulas when the
* workbook is opened, via the "sheetCalcPr fullCalcOnLoad" option.
* Calculating the formula values with {@link org.apache.poi.ss.usermodel.FormulaEvaluator} is the
* recommended solution, but this may be used for certain cases where
* evaluation in POI is not possible.
*/
@Override
public void setForceFormulaRecalculation(boolean value) {
_sh.setForceFormulaRecalculation(value);
}
/**
* Whether Excel will be asked to recalculate all formulas when the
* workbook is opened.
*/
@Override
public boolean getForceFormulaRecalculation() {
return _sh.getForceFormulaRecalculation();
}
/**
* Not implemented for SXSSFSheets
*
* Shifts rows between startRow and endRow n number of rows.
* If you use a negative number, it will shift rows up.
* Code ensures that rows don't wrap around.
*
* Calls shiftRows(startRow, endRow, n, false, false);
*
*
* Additionally shifts merged regions that are completely defined in these
* rows (ie. merged 2 cells on a row to be shifted).
* @param startRow the row to start shifting
* @param endRow the row to end shifting
* @param n the number of rows to shift
*/
@NotImplemented
@Override
public void shiftRows(int startRow, int endRow, int n)
{
throw new RuntimeException("NotImplemented");
}
/**
* Not implemented for SXSSFSheets
*
* Shifts rows between startRow and endRow n number of rows.
* If you use a negative number, it will shift rows up.
* Code ensures that rows don't wrap around
*
*
* Additionally shifts merged regions that are completely defined in these
* rows (ie. merged 2 cells on a row to be shifted).
*
* @param startRow the row to start shifting
* @param endRow the row to end shifting
* @param n the number of rows to shift
* @param copyRowHeight whether to copy the row height during the shift
* @param resetOriginalRowHeight whether to set the original row's height to the default
*/
@NotImplemented
@Override
public void shiftRows(int startRow, int endRow, int n, boolean copyRowHeight, boolean resetOriginalRowHeight)
{
throw new RuntimeException("NotImplemented");
}
/**
* Creates a split (freezepane). Any existing freezepane or split pane is overwritten.
* @param colSplit Horizonatal position of split.
* @param rowSplit Vertical position of split.
* @param leftmostColumn Left column visible in right pane.
* @param topRow Top row visible in bottom pane
*/
@Override
public void createFreezePane(int colSplit, int rowSplit, int leftmostColumn, int topRow)
{
_sh.createFreezePane(colSplit, rowSplit, leftmostColumn, topRow);
}
/**
* Creates a split (freezepane). Any existing freezepane or split pane is overwritten.
* @param colSplit Horizonatal position of split.
* @param rowSplit Vertical position of split.
*/
@Override
public void createFreezePane(int colSplit, int rowSplit)
{
_sh.createFreezePane(colSplit,rowSplit);
}
/**
* Creates a split pane. Any existing freezepane or split pane is overwritten.
* @param xSplitPos Horizonatal position of split (in 1/20th of a point).
* @param ySplitPos Vertical position of split (in 1/20th of a point).
* @param topRow Top row visible in bottom pane
* @param leftmostColumn Left column visible in right pane.
* @param activePane Active pane. One of: PANE_LOWER_RIGHT,
* PANE_UPPER_RIGHT, PANE_LOWER_LEFT, PANE_UPPER_LEFT
* @see #PANE_LOWER_LEFT
* @see #PANE_LOWER_RIGHT
* @see #PANE_UPPER_LEFT
* @see #PANE_UPPER_RIGHT
*/
@Override
public void createSplitPane(int xSplitPos, int ySplitPos, int leftmostColumn, int topRow, int activePane)
{
_sh.createSplitPane(xSplitPos, ySplitPos, leftmostColumn, topRow, activePane);
}
/**
* Returns the information regarding the currently configured pane (split or freeze)
*
* @return null if no pane configured, or the pane information.
*/
@Override
public PaneInformation getPaneInformation()
{
return _sh.getPaneInformation();
}
/**
* Sets whether the gridlines are shown in a viewer
*
* @param show whether to show gridlines or not
*/
@Override
public void setDisplayGridlines(boolean show)
{
_sh.setDisplayGridlines(show);
}
/**
* Returns if gridlines are displayed
*
* @return whether gridlines are displayed
*/
@Override
public boolean isDisplayGridlines()
{
return _sh.isDisplayGridlines();
}
/**
* Sets whether the formulas are shown in a viewer
*
* @param show whether to show formulas or not
*/
@Override
public void setDisplayFormulas(boolean show)
{
_sh.setDisplayFormulas(show);
}
/**
* Returns if formulas are displayed
*
* @return whether formulas are displayed
*/
@Override
public boolean isDisplayFormulas()
{
return _sh.isDisplayFormulas();
}
/**
* Sets whether the RowColHeadings are shown in a viewer
*
* @param show whether to show RowColHeadings or not
*/
@Override
public void setDisplayRowColHeadings(boolean show)
{
_sh.setDisplayRowColHeadings(show);
}
/**
* Returns if RowColHeadings are displayed.
* @return whether RowColHeadings are displayed
*/
@Override
public boolean isDisplayRowColHeadings()
{
return _sh.isDisplayRowColHeadings();
}
/**
* Sets a page break at the indicated row
* @param row FIXME: Document this!
*/
@Override
public void setRowBreak(int row)
{
_sh.setRowBreak(row);
}
/**
* Determines if there is a page break at the indicated row
* @param row FIXME: Document this!
* @return FIXME: Document this!
*/
@Override
public boolean isRowBroken(int row)
{
return _sh.isRowBroken(row);
}
/**
* Removes the page break at the indicated row
* @param row
*/
@Override
public void removeRowBreak(int row)
{
_sh.removeRowBreak(row);
}
/**
* Retrieves all the horizontal page breaks
* @return all the horizontal page breaks, or null if there are no row page breaks
*/
@Override
public int[] getRowBreaks()
{
return _sh.getRowBreaks();
}
/**
* Retrieves all the vertical page breaks
* @return all the vertical page breaks, or null if there are no column page breaks
*/
@Override
public int[] getColumnBreaks()
{
return _sh.getColumnBreaks();
}
/**
* Sets a page break at the indicated column
* @param column
*/
@Override
public void setColumnBreak(int column)
{
_sh.setColumnBreak(column);
}
/**
* Determines if there is a page break at the indicated column
* @param column FIXME: Document this!
* @return FIXME: Document this!
*/
@Override
public boolean isColumnBroken(int column)
{
return _sh.isColumnBroken(column);
}
/**
* Removes a page break at the indicated column
* @param column
*/
@Override
public void removeColumnBreak(int column)
{
_sh.removeColumnBreak(column);
}
/**
* Expands or collapses a column group.
*
* @param columnNumber One of the columns in the group.
* @param collapsed true = collapse group, false = expand group.
*/
@Override
public void setColumnGroupCollapsed(int columnNumber, boolean collapsed)
{
_sh.setColumnGroupCollapsed(columnNumber, collapsed);
}
/**
* Create an outline for the provided column range.
*
* @param fromColumn beginning of the column range.
* @param toColumn end of the column range.
*/
@Override
public void groupColumn(int fromColumn, int toColumn)
{
_sh.groupColumn(fromColumn,toColumn);
}
/**
* Ungroup a range of columns that were previously groupped
*
* @param fromColumn start column (0-based)
* @param toColumn end column (0-based)
*/
@Override
public void ungroupColumn(int fromColumn, int toColumn)
{
_sh.ungroupColumn(fromColumn, toColumn);
}
/**
* Tie a range of rows together so that they can be collapsed or expanded
*
*
* Please note the rows being grouped must be in the current window,
* if the rows are already flushed then groupRow has no effect.
*
*
* Correct code:
*
* Workbook wb = new SXSSFWorkbook(100); // keep 100 rows in memory
* Sheet sh = wb.createSheet();
* for (int rownum = 0; rownum < 1000; rownum++) {
* Row row = sh.createRow(rownum);
* if(rownum == 200) {
* sh.groupRow(100, 200);
* }
* }
*
*
*
*
* Incorrect code:
*
* Workbook wb = new SXSSFWorkbook(100); // keep 100 rows in memory
* Sheet sh = wb.createSheet();
* for (int rownum = 0; rownum < 1000; rownum++) {
* Row row = sh.createRow(rownum);
* }
* sh.groupRow(100, 200); // the rows in the range [100, 200] are already flushed and groupRows has no effect
*
*
*
*
* @param fromRow start row (0-based)
* @param toRow end row (0-based)
*/
@Override
public void groupRow(int fromRow, int toRow)
{
for(SXSSFRow row : _rows.subMap(fromRow, toRow + 1).values()){
int level = row.getOutlineLevel() + 1;
row.setOutlineLevel(level);
if(level > outlineLevelRow) outlineLevelRow = level;
}
setWorksheetOutlineLevelRow();
}
/**
* Set row groupings (like groupRow) in a stream-friendly manner
*
*
* groupRows requires all rows in the group to be in the current window.
* This is not always practical. Instead use setRowOutlineLevel to
* explicitly set the group level. Level 1 is the top level group,
* followed by 2, etc. It is up to the user to ensure that level 2
* groups are correctly nested under level 1, etc.
*
*
* @param rownum index of row to update (0-based)
* @param level outline level (> 0)
*/
public void setRowOutlineLevel(int rownum, int level)
{
SXSSFRow row = _rows.get(rownum);
row.setOutlineLevel(level);
if(level > 0 && level > outlineLevelRow) {
outlineLevelRow = level;
setWorksheetOutlineLevelRow();
}
}
private void setWorksheetOutlineLevelRow() {
CTWorksheet ct = _sh.getCTWorksheet();
CTSheetFormatPr pr = ct.isSetSheetFormatPr() ?
ct.getSheetFormatPr() :
ct.addNewSheetFormatPr();
if(outlineLevelRow > 0) pr.setOutlineLevelRow((short)outlineLevelRow);
}
/**
* Ungroup a range of rows that were previously groupped
*
* @param fromRow start row (0-based)
* @param toRow end row (0-based)
*/
@Override
public void ungroupRow(int fromRow, int toRow)
{
_sh.ungroupRow(fromRow, toRow);
}
/**
* Set view state of a groupped range of rows
*
* @param row start row of a groupped range of rows (0-based)
* @param collapse whether to expand/collapse the detail rows
*/
@Override
public void setRowGroupCollapsed(int row, boolean collapse)
{
if (collapse) {
collapseRow(row);
} else {
//expandRow(rowIndex);
throw new RuntimeException("Unable to expand row: Not Implemented");
}
}
/**
* @param rowIndex the zero based row index to collapse
*/
private void collapseRow(int rowIndex) {
SXSSFRow row = getRow(rowIndex);
if(row == null) {
throw new IllegalArgumentException("Invalid row number("+ rowIndex + "). Row does not exist.");
} else {
int startRow = findStartOfRowOutlineGroup(rowIndex);
// Hide all the columns until the end of the group
int lastRow = writeHidden(row, startRow, true);
SXSSFRow lastRowObj = getRow(lastRow);
if (lastRowObj != null) {
lastRowObj.setCollapsed(true);
} else {
SXSSFRow newRow = createRow(lastRow);
newRow.setCollapsed(true);
}
}
}
/**
* @param rowIndex the zero based row index to find from
*/
private int findStartOfRowOutlineGroup(int rowIndex) {
// Find the start of the group.
Row row = getRow(rowIndex);
int level = ((SXSSFRow) row).getOutlineLevel();
if(level == 0) {
throw new IllegalArgumentException("Outline level is zero for the row (" + rowIndex + ").");
}
int currentRow = rowIndex;
while (getRow(currentRow) != null) {
if (getRow(currentRow).getOutlineLevel() < level)
return currentRow + 1;
currentRow--;
}
return currentRow + 1;
}
private int writeHidden(SXSSFRow xRow, int rowIndex, boolean hidden) {
int level = xRow.getOutlineLevel();
SXSSFRow currRow = getRow(rowIndex);
while (currRow != null && currRow.getOutlineLevel() >= level) {
currRow.setHidden(hidden);
rowIndex++;
currRow = getRow(rowIndex);
}
return rowIndex;
}
/**
* Sets the default column style for a given column. POI will only apply this style to new cells added to the sheet.
*
* @param column the column index
* @param style the style to set
*/
@Override
public void setDefaultColumnStyle(int column, CellStyle style)
{
_sh.setDefaultColumnStyle(column, style);
}
/**
* Track a column in the sheet for auto-sizing.
* Note this has undefined behavior if a column is tracked after one or more rows are written to the sheet.
* If column is already tracked, this call does nothing.
*
* @param column the column to track for auto-sizing
* @since 3.14beta1
* @see #trackColumnsForAutoSizing(Collection)
* @see #trackAllColumnsForAutoSizing()
*/
public void trackColumnForAutoSizing(int column)
{
_autoSizeColumnTracker.trackColumn(column);
}
/**
* Track several columns in the sheet for auto-sizing.
* Note this has undefined behavior if columns are tracked after one or more rows are written to the sheet.
* Any column in columns that are already tracked are ignored by this call.
*
* @param columns the columns to track for auto-sizing
* @since 3.14beta1
*/
public void trackColumnsForAutoSizing(Collection columns)
{
_autoSizeColumnTracker.trackColumns(columns);
}
/**
* Tracks all columns in the sheet for auto-sizing. If this is called, individual columns do not need to be tracked.
* Because determining the best-fit width for a cell is expensive, this may affect the performance.
* @since 3.14beta1
*/
public void trackAllColumnsForAutoSizing()
{
_autoSizeColumnTracker.trackAllColumns();
}
/**
* Removes a column that was previously marked for inclusion in auto-size column tracking.
* When a column is untracked, the best-fit width is forgotten.
* If column is not tracked, it will be ignored by this call.
*
* @param column the index of the column to track for auto-sizing
* @return true if column was tracked prior to this call, false if no action was taken
* @since 3.14beta1
* @see #untrackColumnsForAutoSizing(Collection)
* @see #untrackAllColumnsForAutoSizing()
*/
public boolean untrackColumnForAutoSizing(int column)
{
return _autoSizeColumnTracker.untrackColumn(column);
}
/**
* Untracks several columns in the sheet for auto-sizing.
* When a column is untracked, the best-fit width is forgotten.
* Any column in columns that is not tracked will be ignored by this call.
*
* @param columns the indices of the columns to track for auto-sizing
* @return true if one or more columns were untracked as a result of this call
* @since 3.14beta1
*/
public boolean untrackColumnsForAutoSizing(Collection columns)
{
return _autoSizeColumnTracker.untrackColumns(columns);
}
/**
* Untracks all columns in the sheet for auto-sizing. Best-fit column widths are forgotten.
* If this is called, individual columns do not need to be untracked.
* @since 3.14beta1
*/
public void untrackAllColumnsForAutoSizing()
{
_autoSizeColumnTracker.untrackAllColumns();
}
/**
* Returns true if column is currently tracked for auto-sizing.
*
* @param column the index of the column to check
* @return true if column is tracked
* @since 3.14beta1
*/
public boolean isColumnTrackedForAutoSizing(int column)
{
return _autoSizeColumnTracker.isColumnTracked(column);
}
/**
* Get the currently tracked columns for auto-sizing.
* Note if all columns are tracked, this will only return the columns that have been explicitly or implicitly tracked,
* which is probably only columns containing 1 or more non-blank values
*
* @return a set of the indices of all tracked columns
* @since 3.14beta1
*/
public Set getTrackedColumnsForAutoSizing()
{
return _autoSizeColumnTracker.getTrackedColumns();
}
/**
* Adjusts the column width to fit the contents.
*
*
* This process can be relatively slow on large sheets, so this should
* normally only be called once per column, at the end of your
* processing.
*
* You can specify whether the content of merged cells should be considered or ignored.
* Default is to ignore merged cells.
*
*
* Special note about SXSSF implementation: You must register the columns you wish to track with
* the SXSSFSheet using {@link #trackColumnForAutoSizing(int)} or {@link #trackAllColumnsForAutoSizing()}.
* This is needed because the rows needed to compute the column width may have fallen outside the
* random access window and been flushed to disk.
* Tracking columns is required even if all rows are in the random access window.
*
* New in POI 3.14 beta 1: auto-sizes columns using cells from current and flushed rows.
*
* @param column the column index to auto-size
*/
@Override
public void autoSizeColumn(int column)
{
autoSizeColumn(column, false);
}
/**
* Adjusts the column width to fit the contents.
*
* This process can be relatively slow on large sheets, so this should
* normally only be called once per column, at the end of your
* processing.
*
* You can specify whether the content of merged cells should be considered or ignored.
* Default is to ignore merged cells.
*
*
* Special note about SXSSF implementation: You must register the columns you wish to track with
* the SXSSFSheet using {@link #trackColumnForAutoSizing(int)} or {@link #trackAllColumnsForAutoSizing()}.
* This is needed because the rows needed to compute the column width may have fallen outside the
* random access window and been flushed to disk.
* Tracking columns is required even if all rows are in the random access window.
*
* New in POI 3.14 beta 1: auto-sizes columns using cells from current and flushed rows.
*
* @param column the column index to auto-size
* @param useMergedCells whether to use the contents of merged cells when calculating the width of the column
*/
@Override
public void autoSizeColumn(int column, boolean useMergedCells)
{
// Multiple calls to autoSizeColumn need to look up the best-fit width
// of rows already flushed to disk plus re-calculate the best-fit width
// of rows in the current window. It isn't safe to update the column
// widths before flushing to disk because columns in the random access
// window rows may change in best-fit width. The best-fit width of a cell
// is only fixed when it becomes inaccessible for modification.
// Changes to the shared strings table, styles table, or formulas might
// be able to invalidate the auto-size width without the opportunity
// to recalculate the best-fit width for the flushed rows. This is an
// inherent limitation of SXSSF. If having correct auto-sizing is
// critical, the flushed rows would need to be re-read by the read-only
// XSSF eventmodel (SAX) or the memory-heavy XSSF usermodel (DOM).
final int flushedWidth;
try {
// get the best fit width of rows already flushed to disk
flushedWidth = _autoSizeColumnTracker.getBestFitColumnWidth(column, useMergedCells);
}
catch (final IllegalStateException e) {
throw new IllegalStateException("Could not auto-size column. Make sure the column was tracked prior to auto-sizing the column.", e);
}
// get the best-fit width of rows currently in the random access window
final int activeWidth = (int) (256 * SheetUtil.getColumnWidth(this, column, useMergedCells));
// the best-fit width for both flushed rows and random access window rows
// flushedWidth or activeWidth may be negative if column contains only blank cells
final int bestFitWidth = Math.max(flushedWidth, activeWidth);
if (bestFitWidth > 0) {
final int maxColumnWidth = 255*256; // The maximum column width for an individual cell is 255 characters
final int width = Math.min(bestFitWidth, maxColumnWidth);
setColumnWidth(column, width);
}
}
/**
* Returns cell comment for the specified row and column
*
* @return cell comment or null if not found
* @deprecated as of 2015-11-23 (circa POI 3.14beta1). Use {@link #getCellComment(CellAddress)} instead.
*/
@Override
public XSSFComment getCellComment(int row, int column)
{
return getCellComment(new CellAddress(row, column));
}
/**
* Returns cell comment for the specified row and column
*
* @return cell comment or null if not found
*/
@Override
public XSSFComment getCellComment(CellAddress ref)
{
return _sh.getCellComment(ref);
}
/**
* Returns all cell comments on this sheet.
* @return A map of each Comment in the sheet, keyed on the cell address where
* the comment is located.
*/
@Override
public Map getCellComments() {
return _sh.getCellComments();
}
/**
* Get a Hyperlink in this sheet anchored at row, column
*
* @param row
* @param column
* @return hyperlink if there is a hyperlink anchored at row, column; otherwise returns null
*/
@Override
public XSSFHyperlink getHyperlink(int row, int column) {
return _sh.getHyperlink(row, column);
}
/**
* Get a list of Hyperlinks in this sheet
*
* @return Hyperlinks for the sheet
*/
@Override
public List getHyperlinkList() {
return _sh.getHyperlinkList();
}
/**
* {@inheritDoc}
*/
@Override
public Drawing getDrawingPatriarch()
{
return _sh.getDrawingPatriarch();
}
/**
* Creates the top-level drawing patriarch.
*
* @return The new drawing patriarch.
*/
@Override
public Drawing createDrawingPatriarch()
{
return _sh.createDrawingPatriarch();
}
/**
* Return the parent workbook
*
* @return the parent workbook
*/
@Override
public SXSSFWorkbook getWorkbook()
{
return _workbook;
}
/**
* Returns the name of this sheet
*
* @return the name of this sheet
*/
@Override
public String getSheetName()
{
return _sh.getSheetName();
}
/**
* Note - this is not the same as whether the sheet is focused (isActive)
* @return true if this sheet is currently selected
*/
@Override
public boolean isSelected()
{
return _sh.isSelected();
}
/**
* Sets array formula to specified region for result.
*
* @param formula text representation of the formula
* @param range Region of array formula for result.
* @return the {@link CellRange} of cells affected by this change
*/
@Override
public CellRange setArrayFormula(String formula, CellRangeAddress range)
{
return _sh.setArrayFormula(formula, range);
}
/**
* Remove a Array Formula from this sheet. All cells contained in the Array Formula range are removed as well
*
* @param cell any cell within Array Formula range
* @return the {@link CellRange} of cells affected by this change
*/
@Override
public CellRange removeArrayFormula(Cell cell)
{
return _sh.removeArrayFormula(cell);
}
@Override
public DataValidationHelper getDataValidationHelper()
{
return _sh.getDataValidationHelper();
}
@Override
public List getDataValidations()
{
return _sh.getDataValidations();
}
/**
* Creates a data validation object
* @param dataValidation The Data validation object settings
*/
@Override
public void addValidationData(DataValidation dataValidation)
{
_sh.addValidationData(dataValidation);
}
/**
* Enable filtering for a range of cells
*
* @param range the range of cells to filter
*/
@Override
public AutoFilter setAutoFilter(CellRangeAddress range)
{
return _sh.setAutoFilter(range);
}
@Override
public SheetConditionalFormatting getSheetConditionalFormatting(){
return _sh.getSheetConditionalFormatting();
}
@Override
public CellRangeAddress getRepeatingRows() {
return _sh.getRepeatingRows();
}
@Override
public CellRangeAddress getRepeatingColumns() {
return _sh.getRepeatingColumns();
}
@Override
public void setRepeatingRows(CellRangeAddress rowRangeRef) {
_sh.setRepeatingRows(rowRangeRef);
}
@Override
public void setRepeatingColumns(CellRangeAddress columnRangeRef) {
_sh.setRepeatingColumns(columnRangeRef);
}
//end of interface implementation
/**
* Specifies how many rows can be accessed at most via getRow().
* When a new node is created via createRow() and the total number
* of unflushed records would exeed the specified value, then the
* row with the lowest index value is flushed and cannot be accessed
* via getRow() anymore.
* A value of -1 indicates unlimited access. In this case all
* records that have not been flushed by a call to flush() are available
* for random access.
* A value of 0 is not allowed because it would flush any newly created row
* without having a chance to specify any cells.
*/
public void setRandomAccessWindowSize(int value)
{
if(value == 0 || value < -1) {
throw new IllegalArgumentException("RandomAccessWindowSize must be either -1 or a positive integer");
}
_randomAccessWindowSize=value;
}
/**
* Are all rows flushed to disk?
*/
public boolean areAllRowsFlushed() {
return allFlushed;
}
/**
* @return Last row number to be flushed to disk, or -1 if none flushed yet
*/
public int getLastFlushedRowNum() {
return lastFlushedRowNumber;
}
/**
* Specifies how many rows can be accessed at most via getRow().
* The exeeding rows (if any) are flushed to the disk while rows
* with lower index values are flushed first.
*/
public void flushRows(int remaining) throws IOException
{
while(_rows.size() > remaining) flushOneRow();
if (remaining == 0) allFlushed = true;
}
/**
* Flush all rows to disk. After this call no rows can be accessed via getRow()
*
* @throws IOException
*/
public void flushRows() throws IOException
{
this.flushRows(0);
}
private void flushOneRow() throws IOException
{
Integer firstRowNum = _rows.firstKey();
if (firstRowNum!=null) {
int rowIndex = firstRowNum.intValue();
SXSSFRow row = _rows.get(firstRowNum);
// Update the best fit column widths for auto-sizing just before the rows are flushed
_autoSizeColumnTracker.updateColumnWidths(row);
_writer.writeRow(rowIndex, row);
_rows.remove(firstRowNum);
lastFlushedRowNumber = rowIndex;
}
}
public void changeRowNum(SXSSFRow row, int newRowNum)
{
removeRow(row);
_rows.put(newRowNum,row);
}
public int getRowNum(SXSSFRow row)
{
for(Iterator> iter=_rows.entrySet().iterator();iter.hasNext();)
{
Map.Entry entry=iter.next();
if(entry.getValue()==row)
return entry.getKey().intValue();
}
return -1;
}
/**
* Deletes the temporary file that backed this sheet on disk.
* @return true if the file was deleted, false if it wasn't.
*/
boolean dispose() throws IOException {
if (!allFlushed) flushRows();
return _writer.dispose();
}
@Override
public int getColumnOutlineLevel(int columnIndex) {
return _sh.getColumnOutlineLevel(columnIndex);
}
/**
* {@inheritDoc}
*/
@Override
public CellAddress getActiveCell() {
return _sh.getActiveCell();
}
/**
* {@inheritDoc}
*/
@Override
public void setActiveCell(CellAddress address) {
_sh.setActiveCell(address);
}
}