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PR:15537 - set active cell in sheet; submitted by Brian Sanders 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352960 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Avik Sengupta 2002-12-25 17:27:08 +00:00
parent 2edee14e2a
commit 0d32c9b526
3 changed files with 127 additions and 1 deletions
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70
src/java/org/apache/poi/hssf/model/Sheet.java
View File

@ -81,6 +81,7 @@ import org.apache.poi.hssf.record
* @author Glen Stampoultzis (glens at apache.org)
* @author Shawn Laubach (slaubach at apache dot org) Gridlines, Headers, Footers, and PrintSetup
* @author Jason Height (jheight at chariot dot net dot au) Clone support
* @author Brian Sanders (kestrel at burdell dot org) Active Cell support
*
* @see org.apache.poi.hssf.model.Workbook
* @see org.apache.poi.hssf.usermodel.HSSFSheet
@ -108,6 +109,7 @@ public class Sheet implements Model
protected FooterRecord footer = null;
protected PrintGridlinesRecord printGridlines = null;
protected MergeCellsRecord merged = null;
protected SelectionRecord selection = null;
protected int mergedloc = 0;
private static POILogger log = POILogFactory.getLogger(Sheet.class);
private ArrayList columnSizes = null; // holds column info
@ -252,6 +254,10 @@ public class Sheet implements Model
{
retval.printSetup = (PrintSetupRecord) rec;
}
else if ( rec.getSid() == SelectionRecord.sid )
{
retval.selection = (SelectionRecord) rec;
}
if (rec != null)
{
@ -376,7 +382,9 @@ public class Sheet implements Model
records.add(retval.dims);
records.add(retval.createWindowTwo());
retval.setLoc(records.size() - 1);
records.add(retval.createSelection());
retval.selection =
(SelectionRecord) retval.createSelection();
records.add(retval.selection);
records.add(retval.createEOF());
retval.records = records;
log.log(log.DEBUG, "Sheet createsheet from scratch exit");
@ -1936,6 +1944,66 @@ public class Sheet implements Model
return retval;
}
/**
* Returns the active row
*
* @see org.apache.poi.hssf.record.SelectionRecord
* @return row the active row index
*/
public int getActiveCellRow()
{
if (selection == null)
{
return 0;
}
return selection.getActiveCellRow();
}
/**
* Sets the active row
*
* @param row the row index
* @see org.apache.poi.hssf.record.SelectionRecord
*/
public void setActiveCellRow(int row)
{
//shouldn't have a sheet w/o a SelectionRecord, but best to guard anyway
if (selection != null)
{
selection.setActiveCellRow(row);
}
}
/**
* Returns the active column
*
* @see org.apache.poi.hssf.record.SelectionRecord
* @return row the active column index
*/
public short getActiveCellCol()
{
if (selection == null)
{
return (short) 0;
}
return selection.getActiveCellCol();
}
/**
* Sets the active column
*
* @param col the column index
* @see org.apache.poi.hssf.record.SelectionRecord
*/
public void setActiveCellCol(short col)
{
//shouldn't have a sheet w/o a SelectionRecord, but best to guard anyway
if (selection != null)
{
selection.setActiveCellCol(col);
}
}
protected Record createMergedCells()
{
MergeCellsRecord retval = new MergeCellsRecord();

10
src/java/org/apache/poi/hssf/usermodel/HSSFCell.java
View File

@ -95,6 +95,7 @@ import java.util.Calendar;
*
* @author Andrew C. Oliver (acoliver at apache dot org)
* @author Dan Sherman (dsherman at isisph.com)
* @author Brian Sanders (kestrel at burdell dot org) Active Cell support
* @version 1.0-pre
*/
@ -973,4 +974,13 @@ public class HSSFCell
throw new RuntimeException("You cannot reference columns with an index of less then 0.");
}
}
/**
* Sets this cell as the active cell for the worksheet
*/
public void setAsActiveCell()
{
this.sheet.setActiveCellRow(this.row);
this.sheet.setActiveCellCol(this.cellNum);
}
}

48
src/testcases/org/apache/poi/hssf/usermodel/TestHSSFCell.java
View File

@ -177,6 +177,54 @@ extends TestCase {
stream.close();
}
/**
* Tests that the active cell can be correctly read and set
*/
public void testActiveCell() throws Exception
{
//read in sample
String dir = System.getProperty("HSSF.testdata.path");
File sample = new File(dir + "/Simple.xls");
assertTrue("Simple.xls exists and is readable", sample.canRead());
FileInputStream fis = new FileInputStream(sample);
HSSFWorkbook book = new HSSFWorkbook(fis);
fis.close();
//check initial position
HSSFSheet umSheet = book.getSheetAt(0);
Sheet s = umSheet.getSheet();
assertEquals("Initial active cell should be in col 0",
(short) 0, s.getActiveCellCol());
assertEquals("Initial active cell should be on row 1",
1, s.getActiveCellRow());
//modify position through HSSFCell
HSSFCell cell = umSheet.createRow(3).createCell((short) 2);
cell.setAsActiveCell();
assertEquals("After modify, active cell should be in col 2",
(short) 2, s.getActiveCellCol());
assertEquals("After modify, active cell should be on row 3",
3, s.getActiveCellRow());
//write book to temp file; read and verify that position is serialized
File temp = File.createTempFile("testActiveCell", ".xls");
FileOutputStream fos = new FileOutputStream(temp);
book.write(fos);
fos.close();
fis = new FileInputStream(temp);
book = new HSSFWorkbook(fis);
fis.close();
temp.delete();
umSheet = book.getSheetAt(0);
s = umSheet.getSheet();
assertEquals("After serialize, active cell should be in col 2",
(short) 2, s.getActiveCellCol());
assertEquals("After serialize, active cell should be on row 3",
3, s.getActiveCellRow());
}
public static void main(String [] args) {
System.out
.println("Testing org.apache.poi.hssf.usermodel.TestHSSFCell");