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+/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * The Contents of this file are made available subject to the terms of
+ * the BSD license.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Sun Microsystems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *************************************************************************/
+
+// __________ Imports __________
+
+import java.util.Random;
+
+import com.sun.star.uno.UnoRuntime;
+import com.sun.star.lang.XMultiServiceFactory;
+// 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;
+// 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;
+
+// __________ Implementation __________
+
+// Helper for accessing a calc document
+
+public class CalcHelper
+{
+ public CalcHelper( XSpreadsheetDocument aDoc )
+ {
+ maSpreadSheetDoc = aDoc;
+ initSpreadSheet();
+ }
+
+
+
+ public XSpreadsheet getChartSheet() throws RuntimeException
+ {
+ XNameAccess aSheetsNA = UnoRuntime.queryInterface(
+ XNameAccess.class, maSpreadSheetDoc.getSheets() );
+
+ XSpreadsheet aSheet = null;
+ try
+ {
+ aSheet = 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 = UnoRuntime.queryInterface(
+ XNameAccess.class, maSpreadSheetDoc.getSheets() );
+
+ XSpreadsheet aSheet = null;
+ if( aSheetsNA != null )
+ {
+ try
+ {
+ aSheet = 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 corresponding
+ 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 = UnoRuntime.queryInterface(
+ XTableChartsSupplier.class, getChartSheet() );
+ }
+ catch( Exception ex )
+ {
+ System.out.println( "Sheet not found" + ex );
+ return aResult;
+ }
+
+ XTableCharts aChartCollection = aSheet.getCharts();
+ XNameAccess aChartCollectionNA = 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 = UnoRuntime.queryInterface(
+ XTableChart.class, aChartCollectionNA.getByName( sChartName ));
+
+ // the table chart is an embedded object which contains the chart document
+ aResult = UnoRuntime.queryInterface(
+ XChartDocument.class,
+ UnoRuntime.queryInterface(
+ XEmbeddedObjectSupplier.class,
+ aTableChart ).getEmbeddedObject());
+
+ // create a diagram via the factory and set this as new diagram
+ aResult.setDiagram(
+ UnoRuntime.queryInterface(
+ XDiagram.class,
+ 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 = 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 = 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 = UnoRuntime.queryInterface( XCellRange.class, aSheet );
+
+ aRange = aSheetRange.getCellRangeByPosition(
+ 0, 0,
+ nColumnCount - 1, nRowCount - 1 );
+
+ int nCol, nRow;
+ double fValue;
+ double fFactor = 2.0 * Math.PI / (nRowCount - 1);
+ String aFormula;
+
+ // set variable factor for cos formula
+ int nFactorCol = nColumnCount + 2;
+ (aSheet.getCellByPosition( nFactorCol - 1, 0 )).setValue( 0.2 );
+
+ XText xCellText = 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 = nRow * fFactor;
+ (aSheet.getCellByPosition( nCol, nRow )).setValue( fValue );
+ }
+ else
+ {
+ aFormula = "=";
+ 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()
+ {
+ UnoRuntime.queryInterface(
+ XSpreadsheetView.class,
+ UnoRuntime.queryInterface(
+ XModel.class,
+ maSpreadSheetDoc ).getCurrentController()).setActiveSheet( getChartSheet() );
+ }
+
+
+ // __________ private members and methods __________
+
+ private static final String msDataSheetName = "Data";
+ private static final String msChartSheetName = "Chart";
+
+ private final 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 = UnoRuntime.queryInterface(
+ XNameContainer.class, aSheets );
+ XIndexAccess aSheetsIA = 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(
+ UnoRuntime.queryInterface(
+ XNamed.class, aSheetsIA.getByIndex( i ) ).getName() );
+ }
+
+ XNamed aFirstSheet = 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 );
+ }
+ }
+ }
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */