146 lines
4.6 KiB
Java
146 lines
4.6 KiB
Java
// __________ Imports __________
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// base classes
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import com.sun.star.uno.XInterface;
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import com.sun.star.uno.UnoRuntime;
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import com.sun.star.lang.*;
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// factory for creating components
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import com.sun.star.lang.XMultiServiceFactory;
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// property access
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import com.sun.star.beans.*;
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// container access
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import com.sun.star.container.*;
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// application specific classes
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import com.sun.star.chart.XChartDocument;
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import com.sun.star.chart.XDiagram;
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import com.sun.star.drawing.*;
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import com.sun.star.frame.XModel;
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// base graphics things
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import com.sun.star.awt.Point;
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import com.sun.star.awt.Size;
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// Exceptions
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import com.sun.star.uno.RuntimeException;
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import com.sun.star.container.NoSuchElementException;
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import com.sun.star.beans.UnknownPropertyException;
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import com.sun.star.lang.IndexOutOfBoundsException;
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// __________ Implementation __________
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/** Helper for creating an OLE chart
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@author Björn Milcke
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*/
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public class ChartHelper
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{
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public ChartHelper( XModel aContainerDoc )
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{
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maContainerDocument = aContainerDoc;
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}
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// ____________________
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public XChartDocument insertOLEChart(
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String sChartName,
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Point aUpperLeft,
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Size aExtent,
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String sChartServiceName )
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{
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XChartDocument aResult = null;
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XShapes aPage = null;
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// try interface for multiple pages in a document
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XDrawPagesSupplier aSupplier = (XDrawPagesSupplier) UnoRuntime.queryInterface(
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XDrawPagesSupplier.class, maContainerDocument );
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if( aSupplier != null )
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{
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try
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{
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// get first page
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aPage = (XShapes) UnoRuntime.queryInterface(
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XShapes.class, aSupplier.getDrawPages().getByIndex( 0 ) );
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}
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catch( Exception ex )
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{
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System.out.println( "First page not found in shape collection: " + ex );
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}
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}
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else
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{
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// try interface for single draw page (e.g. spreadsheet)
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XDrawPageSupplier aOnePageSupplier = (XDrawPageSupplier) UnoRuntime.queryInterface(
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XDrawPageSupplier.class, maContainerDocument );
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if( aOnePageSupplier != null )
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{
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aPage = (XShapes) UnoRuntime.queryInterface(
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XShapes.class, aOnePageSupplier.getDrawPage());
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}
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}
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if( aPage != null )
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{
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XMultiServiceFactory aFact = (XMultiServiceFactory) UnoRuntime.queryInterface(
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XMultiServiceFactory.class, maContainerDocument );
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if( aFact != null )
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{
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try
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{
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// create an OLE shape
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XShape aShape = (XShape) UnoRuntime.queryInterface(
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XShape.class,
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aFact.createInstance( "com.sun.star.drawing.OLE2Shape" ));
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// insert the shape into the page
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aPage.add( aShape );
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aShape.setPosition( aUpperLeft );
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aShape.setSize( aExtent );
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// make the OLE shape a chart
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XPropertySet aShapeProp = (XPropertySet) UnoRuntime.queryInterface(
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XPropertySet.class, aShape );
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if( aShapeProp != null )
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{
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// set the class id for charts
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aShapeProp.setPropertyValue( "CLSID", msChartClassID );
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// retrieve the chart document as model of the OLE shape
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aResult = (XChartDocument) UnoRuntime.queryInterface(
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XChartDocument.class,
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aShapeProp.getPropertyValue( "Model" ));
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// create a diagram via the factory and set this as new diagram
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aResult.setDiagram(
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(XDiagram) UnoRuntime.queryInterface(
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XDiagram.class,
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((XMultiServiceFactory) UnoRuntime.queryInterface(
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XMultiServiceFactory.class,
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aResult )).createInstance( sChartServiceName )));
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}
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}
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catch( Exception ex )
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{
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System.out.println( "Couldn't change the OLE shape into a chart: " + ex );
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}
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}
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}
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return aResult;
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}
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// __________ private members and methods __________
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private final String msChartClassID = "12dcae26-281f-416f-a234-c3086127382e";
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private XModel maContainerDocument;
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}
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