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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
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*************************************************************/
// __________ Imports __________
import java.util.Random;
// base classes
import com.sun.star.uno.XInterface;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.lang.*;
// factory for creating components
import com.sun.star.comp.servicemanager.ServiceManager;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.bridge.XUnoUrlResolver;
import com.sun.star.uno.XNamingService;
import com.sun.star.frame.XDesktop;
import com.sun.star.frame.XComponentLoader;
// property access
import com.sun.star.beans.*;
// container access
import com.sun.star.container.*;
// application specific classes
import com.sun.star.sheet.*;
import com.sun.star.table.*;
import com.sun.star.chart.*;
import com.sun.star.text.XText;
import com.sun.star.document.XEmbeddedObjectSupplier;
import com.sun.star.frame.XModel;
import com.sun.star.frame.XController;
// base graphics things
import com.sun.star.awt.Point;
import com.sun.star.awt.Size;
import com.sun.star.awt.Rectangle;
// Exceptions
import com.sun.star.uno.RuntimeException;
import com.sun.star.container.NoSuchElementException;
import com.sun.star.beans.UnknownPropertyException;
import com.sun.star.lang.IndexOutOfBoundsException;
// __________ Implementation __________
/** Helper for accessing a calc document
@author Björn Milcke
*/
public class CalcHelper
{
public CalcHelper( XSpreadsheetDocument aDoc )
{
maSpreadSheetDoc = aDoc;
initSpreadSheet();
}
// ____________________
public XSpreadsheet getChartSheet() throws RuntimeException
{
XNameAccess aSheetsNA = (XNameAccess) UnoRuntime.queryInterface(
XNameAccess.class, maSpreadSheetDoc.getSheets() );
XSpreadsheet aSheet = null;
try
{
aSheet = (XSpreadsheet) UnoRuntime.queryInterface(
XSpreadsheet.class, aSheetsNA.getByName( msChartSheetName ) );
}
catch( NoSuchElementException ex )
{
System.out.println( "Couldn't find sheet with name " + msChartSheetName + ": " + ex );
}
catch( Exception ex )
{}
return aSheet;
}
// ____________________
public XSpreadsheet getDataSheet() throws RuntimeException
{
XNameAccess aSheetsNA = (XNameAccess) UnoRuntime.queryInterface(
XNameAccess.class, maSpreadSheetDoc.getSheets() );
XSpreadsheet aSheet = null;
if( aSheetsNA != null )
{
try
{
aSheet = (XSpreadsheet) UnoRuntime.queryInterface(
XSpreadsheet.class, aSheetsNA.getByName( msDataSheetName ) );
}
catch( NoSuchElementException ex )
{
System.out.println( "Couldn't find sheet with name " + msDataSheetName + ": " + ex );
}
catch( Exception ex )
{}
}
return aSheet;
}
// ____________________
/** Insert a chart using the given name as name of the OLE object and the range as correspoding
range of data to be used for rendering. The chart is placed in the sheet for charts at
position aUpperLeft extending as large as given in aExtent.
The service name must be the name of a diagram service that can be instantiated via the
factory of the chart document
*/
public XChartDocument insertChart(
String sChartName,
CellRangeAddress aRange,
Point aUpperLeft,
Size aExtent,
String sChartServiceName )
{
XChartDocument aResult = null;
XTableChartsSupplier aSheet;
// get the sheet to insert the chart
try
{
aSheet = (XTableChartsSupplier) UnoRuntime.queryInterface(
XTableChartsSupplier.class, getChartSheet() );
}
catch( Exception ex )
{
System.out.println( "Sheet not found" + ex );
return aResult;
}
XTableCharts aChartCollection = aSheet.getCharts();
XNameAccess aChartCollectionNA = (XNameAccess) UnoRuntime.queryInterface(
XNameAccess.class, aChartCollection );
if( aChartCollectionNA != null &&
! aChartCollectionNA.hasByName( sChartName ) )
{
Rectangle aRect = new Rectangle( aUpperLeft.X, aUpperLeft.Y, aExtent.Width, aExtent.Height );
CellRangeAddress[] aAddresses = new CellRangeAddress[ 1 ];
aAddresses[ 0 ] = aRange;
// first bool: ColumnHeaders
// second bool: RowHeaders
aChartCollection.addNewByName( sChartName, aRect, aAddresses, true, false );
try
{
XTableChart aTableChart = (XTableChart) UnoRuntime.queryInterface(
XTableChart.class, aChartCollectionNA.getByName( sChartName ));
// the table chart is an embedded object which contains the chart document
aResult = (XChartDocument) UnoRuntime.queryInterface(
XChartDocument.class,
((XEmbeddedObjectSupplier) UnoRuntime.queryInterface(
XEmbeddedObjectSupplier.class,
aTableChart )).getEmbeddedObject());
// create a diagram via the factory and set this as new diagram
aResult.setDiagram(
(XDiagram) UnoRuntime.queryInterface(
XDiagram.class,
((XMultiServiceFactory) UnoRuntime.queryInterface(
XMultiServiceFactory.class,
aResult )).createInstance( sChartServiceName )));
}
catch( NoSuchElementException ex )
{
System.out.println( "Couldn't find chart with name " + sChartName + ": " + ex );
}
catch( Exception ex )
{}
}
return aResult;
}
// ____________________
/** Fill a rectangular range with random numbers.
The first column has increasing values
*/
public XCellRange insertRandomRange( int nColumnCount, int nRowCount )
{
XCellRange aRange = null;
// get the sheet to insert the chart
try
{
XSpreadsheet aSheet = getDataSheet();
XCellRange aSheetRange = (XCellRange) UnoRuntime.queryInterface( XCellRange.class, aSheet );
aRange = aSheetRange.getCellRangeByPosition(
0, 0,
nColumnCount - 1, nRowCount - 1 );
int nCol, nRow;
double fBase = 0.0;
double fRange = 10.0;
double fValue;
Random aGenerator = new Random();
for( nCol = 0; nCol < nColumnCount; nCol++ )
{
if( 0 == nCol )
{
(aSheet.getCellByPosition( nCol, 0 )).setFormula( "X" );
}
else
{
(aSheet.getCellByPosition( nCol, 0 )).setFormula( "Random " + nCol );
}
for( nRow = 1; nRow < nRowCount; nRow++ )
{
if( 0 == nCol )
{
// x values: ascending numbers
fValue = (double)nRow + aGenerator.nextDouble();
}
else
{
fValue = fBase + ( aGenerator.nextGaussian() * fRange );
}
// put value into cell
// note: getCellByPosition is a method at ...table.XCellRange which
// the XSpreadsheet inherits via ...sheet.XSheetCellRange
(aSheet.getCellByPosition( nCol, nRow )).setValue( fValue );
}
}
}
catch( Exception ex )
{
System.out.println( "Sheet not found" + ex );
}
return aRange;
}
// ____________________
public XCellRange insertFormulaRange( int nColumnCount, int nRowCount )
{
XCellRange aRange = null;
// get the sheet to insert the chart
try
{
XSpreadsheet aSheet = getDataSheet();
XCellRange aSheetRange = (XCellRange) UnoRuntime.queryInterface( XCellRange.class, aSheet );
aRange = aSheetRange.getCellRangeByPosition(
0, 0,
nColumnCount - 1, nRowCount - 1 );
int nCol, nRow;
double fValue;
double fFactor = 2.0 * java.lang.Math.PI / (double)(nRowCount - 1);
String aFormula;
// set variable factor for cos formula
int nFactorCol = nColumnCount + 2;
(aSheet.getCellByPosition( nFactorCol - 1, 0 )).setValue( 0.2 );
XText xCellText = (XText) UnoRuntime.queryInterface( XText.class, aSheet.getCellByPosition( nFactorCol - 1, 1 ) );
xCellText.setString( "Change the factor above and\nwatch the changes in the chart" );
for( nCol = 0; nCol < nColumnCount; nCol++ )
{
for( nRow = 0; nRow < nRowCount; nRow++ )
{
if( 0 == nCol )
{
// x values: ascending numbers
fValue = (double)nRow * fFactor;
(aSheet.getCellByPosition( nCol, nRow )).setValue( fValue );
}
else
{
aFormula = new String( "=" );
if( nCol % 2 == 0 )
aFormula += "SIN";
else
aFormula += "COS";
aFormula += "(INDIRECT(ADDRESS(" + (nRow + 1) + ";1)))+RAND()*INDIRECT(ADDRESS(1;" + nFactorCol + "))";
(aSheet.getCellByPosition( nCol, nRow )).setFormula( aFormula );
}
}
}
}
catch( Exception ex )
{
System.out.println( "Sheet not found" + ex );
}
return aRange;
}
// ____________________
/** Bring the sheet containing charts visually to the foreground
*/
public void raiseChartSheet()
{
((XSpreadsheetView) UnoRuntime.queryInterface(
XSpreadsheetView.class,
((XModel) UnoRuntime.queryInterface(
XModel.class,
maSpreadSheetDoc )).getCurrentController()) ).setActiveSheet( getChartSheet() );
}
// __________ private members and methods __________
private final String msDataSheetName = "Data";
private final String msChartSheetName = "Chart";
private XSpreadsheetDocument maSpreadSheetDoc;
// ____________________
/** create two sheets, one for data and one for charts in the document
*/
private void initSpreadSheet()
{
if( maSpreadSheetDoc != null )
{
XSpreadsheets aSheets = maSpreadSheetDoc.getSheets();
XNameContainer aSheetsNC = (XNameContainer) UnoRuntime.queryInterface(
XNameContainer.class, aSheets );
XIndexAccess aSheetsIA = (XIndexAccess) UnoRuntime.queryInterface(
XIndexAccess.class, aSheets );
if( aSheets != null &&
aSheetsNC != null &&
aSheetsIA != null )
{
try
{
// remove all sheets except one
for( int i = aSheetsIA.getCount() - 1; i > 0; i-- )
{
aSheetsNC.removeByName(
( (XNamed) UnoRuntime.queryInterface(
XNamed.class, aSheetsIA.getByIndex( i ) )).getName() );
}
XNamed aFirstSheet = (XNamed) UnoRuntime.queryInterface(
XNamed.class,
aSheetsIA.getByIndex( 0 ));
// first sheet becomes data sheet
aFirstSheet.setName( msDataSheetName );
// second sheet becomes chart sheet
aSheets.insertNewByName( msChartSheetName, (short)1 );
}
catch( Exception ex )
{
System.out.println( "Couldn't initialize Spreadsheet Document: " + ex );
}
}
}
}
}