odk/examples/DevelopersGuide/Charts/ChartHelper.java

   1 /*************************************************************************
   2  *
   3  *  $RCSfile: ChartHelper.java,v $
   4  *
   5  *  $Revision: 1.4 $
   6  *
   7  *  last change: $Author: rt $ $Date: 2005-01-31 16:09:55 $
   8  *
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  12  *  Copyright (c) 2003 by Sun Microsystems, Inc.
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  40
  41 // __________ Imports __________
  42
  43
  44 // base classes
  45 import com.sun.star.uno.XInterface;
  46 import com.sun.star.uno.UnoRuntime;
  47 import com.sun.star.uno.Any;
  48
  49 // factory for creating components
  50 import com.sun.star.lang.XMultiServiceFactory;
  51 import com.sun.star.lang.XComponent;
  52 import com.sun.star.beans.XPropertySet;
  53
  54 // application specific classes
  55 import com.sun.star.chart.XChartDocument;
  56 import com.sun.star.chart.XDiagram;
  57 import com.sun.star.drawing.*;
  58 import com.sun.star.frame.XModel;
  59 import com.sun.star.text.XTextDocument;
  60 import com.sun.star.text.XTextContent;
  61 import com.sun.star.text.XTextCursor;
  62 import com.sun.star.text.XText;
  63 //import com.sun.star.text.VertOrientation;
  64 //import com.sun.star.text.HoriOrientation;
  65 import com.sun.star.document.XEmbeddedObjectSupplier;
  66
  67 // base graphics things
  68 import com.sun.star.awt.Point;
  69 import com.sun.star.awt.Size;
  70
  71 // Exceptions
  72 import com.sun.star.uno.RuntimeException;
  73 import com.sun.star.container.NoSuchElementException;
  74 import com.sun.star.beans.UnknownPropertyException;
  75 import com.sun.star.lang.IndexOutOfBoundsException;
  76
  77 // __________ Implementation __________
  78
  79 /** Helper for creating an OLE chart
  80     @author Bj&ouml;rn Milcke
  81  */
  82 public class ChartHelper
  83 {
  84     public ChartHelper( XModel aContainerDoc )
  85     {
  86         maContainerDocument = aContainerDoc;
  87     }
  88
  89     public XChartDocument insertOLEChartInWriter(
  90         String sChartName,
  91         Point  aUpperLeft,
  92         Size   aExtent,
  93         String sChartServiceName )
  94     {
  95         XChartDocument aResult = null;
  96
  97         XMultiServiceFactory aFact = (XMultiServiceFactory)
  98             UnoRuntime.queryInterface(XMultiServiceFactory.class,
  99                                       maContainerDocument );
 100
 101         if( aFact != null )
 102         {
 103             try
 104             {
 105                 XTextContent xTextContent = (XTextContent)UnoRuntime.queryInterface(
 106                 XTextContent.class,
 107                 aFact.createInstance("com.sun.star.text.TextEmbeddedObject"));
 108
 109                 if ( xTextContent != null )
 110                 {
 111                     XPropertySet xPropSet = (XPropertySet)UnoRuntime.queryInterface(
 112                         XPropertySet.class, xTextContent);
 113
 114                     Any aAny = new Any(String.class, msChartClassID);
 115                     xPropSet.setPropertyValue("CLSID", aAny );
 116
 117                     XTextDocument xTextDoc = (XTextDocument)
 118                         UnoRuntime.queryInterface(XTextDocument.class,
 119                                                   maContainerDocument);
 120                     XText xText = xTextDoc.getText();
 121                     XTextCursor xCursor = xText.createTextCursor();
 122
 123                     //insert embedded object in text -> object will be created
 124                     xText.insertTextContent( xCursor, xTextContent, true );
 125
 126                     // set size and position
 127                     XShape xShape = (XShape)UnoRuntime.queryInterface(
 128                         XShape.class, xTextContent);
 129                     xShape.setSize( aExtent );
 130
 131                     aAny = new Any(Short.class,
 132                                new Short(com.sun.star.text.VertOrientation.NONE));
 133                     xPropSet.setPropertyValue("VertOrient", aAny );
 134                     aAny = new Any(Short.class,
 135                                new Short(com.sun.star.text.HoriOrientation.NONE));
 136                     xPropSet.setPropertyValue("HoriOrient", aAny );
 137                     aAny = new Any(Integer.class, new Integer(aUpperLeft.Y));
 138                     xPropSet.setPropertyValue("VertOrientPosition", aAny );
 139                     aAny = new Any(Integer.class, new Integer(aUpperLeft.X));
 140                     xPropSet.setPropertyValue("HoriOrientPosition", aAny );
 141
 142                     // retrieve the chart document as model of the OLE shape
 143                     aResult = (XChartDocument) UnoRuntime.queryInterface(
 144                             XChartDocument.class,
 145                             xPropSet.getPropertyValue( "Model" ));
 146
 147                     // create a diagram via the factory and set this as
 148                     // new diagram
 149                     aResult.setDiagram(
 150                         (XDiagram) UnoRuntime.queryInterface(
 151                             XDiagram.class,
 152                             ((XMultiServiceFactory) UnoRuntime.queryInterface(
 153                                 XMultiServiceFactory.class,
 154                                 aResult )).createInstance(sChartServiceName )));
 155                 }
 156             } catch( Exception ex)
 157             {
 158                 System.out.println( "caught exception: " + ex );
 159             }
 160         }
 161
 162         return aResult;
 163     }
 164
 165     public XChartDocument insertOLEChartInDraw(
 166         String sChartName,
 167         Point  aUpperLeft,
 168         Size   aExtent,
 169         String sChartServiceName )
 170     {
 171         XChartDocument aResult = null;
 172
 173         XShapes aPage = null;
 174
 175         // try interface for multiple pages in a document
 176         XDrawPagesSupplier aSupplier = (XDrawPagesSupplier)
 177             UnoRuntime.queryInterface(XDrawPagesSupplier.class,
 178                                       maContainerDocument );
 179
 180         if( aSupplier != null )
 181         {
 182             try
 183             {
 184                 // get first page
 185                 aPage = (XShapes) UnoRuntime.queryInterface(
 186                     XShapes.class, aSupplier.getDrawPages().getByIndex( 0 ) );
 187             }
 188             catch( Exception ex )
 189             {
 190                 System.out.println( "First page not found in shape collection: " +
 191                                     ex );
 192             }
 193         }
 194         else
 195         {
 196             // try interface for single draw page (e.g. spreadsheet)
 197             XDrawPageSupplier aOnePageSupplier = (XDrawPageSupplier)
 198                 UnoRuntime.queryInterface(XDrawPageSupplier.class,
 199                                           maContainerDocument );
 200
 201             if( aOnePageSupplier != null )
 202             {
 203                 aPage = (XShapes) UnoRuntime.queryInterface(
 204                     XShapes.class, aOnePageSupplier.getDrawPage());
 205             }
 206         }
 207
 208         if( aPage != null )
 209         {
 210             XMultiServiceFactory aFact = (XMultiServiceFactory)
 211                 UnoRuntime.queryInterface(XMultiServiceFactory.class,
 212                                           maContainerDocument );
 213
 214             if( aFact != null )
 215             {
 216                 try
 217                 {
 218                     // create an OLE shape
 219                     XShape aShape = (XShape) UnoRuntime.queryInterface(
 220                         XShape.class,
 221                         aFact.createInstance( "com.sun.star.drawing.OLE2Shape" ));
 222
 223                     // insert the shape into the page
 224                     aPage.add( aShape );
 225                     aShape.setPosition( aUpperLeft );
 226                     aShape.setSize( aExtent );
 227
 228                     // make the OLE shape a chart
 229                     XPropertySet aShapeProp = (XPropertySet)
 230                         UnoRuntime.queryInterface(XPropertySet.class, aShape );
 231                     if( aShapeProp != null )
 232                     {
 233                         // set the class id for charts
 234                         aShapeProp.setPropertyValue( "CLSID", msChartClassID );
 235
 236                         // retrieve the chart document as model of the OLE shape
 237                         aResult = (XChartDocument) UnoRuntime.queryInterface(
 238                             XChartDocument.class,
 239                             aShapeProp.getPropertyValue( "Model" ));
 240
 241                         // create a diagram via the factory and set this as
 242                         // new diagram
 243                         aResult.setDiagram(
 244                             (XDiagram) UnoRuntime.queryInterface(
 245                                 XDiagram.class,
 246                                 ((XMultiServiceFactory) UnoRuntime.queryInterface(
 247                                     XMultiServiceFactory.class,
 248                                     aResult )).createInstance(sChartServiceName )));
 249                     }
 250                 }
 251                 catch( Exception ex )
 252                 {
 253                     System.out.println( "Couldn't change the OLE shape into a chart: " + ex );
 254                 }
 255             }
 256         }
 257
 258         return aResult;
 259     }
 260
 261
 262     // __________ private members and methods __________
 263
 264     private final String  msChartClassID   = "12dcae26-281f-416f-a234-c3086127382e";
 265
 266     private XModel maContainerDocument;
 267 }