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Diffstat (limited to 'odk/examples/DevelopersGuide/Charts/CalcHelper.java')
| -rw-r--r-- | odk/examples/DevelopersGuide/Charts/CalcHelper.java | 396 |
1 files changed, 396 insertions, 0 deletions
diff --git a/odk/examples/DevelopersGuide/Charts/CalcHelper.java b/odk/examples/DevelopersGuide/Charts/CalcHelper.java new file mode 100644 index 000000000..d7d932282 --- /dev/null +++ b/odk/examples/DevelopersGuide/Charts/CalcHelper.java @@ -0,0 +1,396 @@ +/* -*- 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: */ |