odk/examples/DevelopersGuide/Charts/ChartHelper.java

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  34
  35 // __________ Imports __________
  36
  37
  38 // base graphics things
  39 import com.sun.star.awt.Point;
  40 import com.sun.star.awt.Size;
  41 import com.sun.star.beans.XPropertySet;
  42 // application specific classes
  43 import com.sun.star.chart.XChartDocument;
  44 import com.sun.star.chart.XDiagram;
  45 import com.sun.star.drawing.XDrawPageSupplier;
  46 import com.sun.star.drawing.XDrawPagesSupplier;
  47 import com.sun.star.drawing.XShape;
  48 import com.sun.star.drawing.XShapes;
  49 import com.sun.star.frame.XModel;
  50 // factory for creating components
  51 import com.sun.star.lang.XMultiServiceFactory;
  52 import com.sun.star.text.XText;
  53 import com.sun.star.text.XTextContent;
  54 import com.sun.star.text.XTextCursor;
  55 import com.sun.star.text.XTextDocument;
  56 import com.sun.star.uno.Any;
  57 import com.sun.star.uno.Type;
  58 import com.sun.star.uno.UnoRuntime;
  59
  60 // __________ Implementation __________
  61
  62 // Helper for creating an OLE chart
  63
  64 public class ChartHelper
  65 {
  66     public ChartHelper( XModel aContainerDoc )
  67     {
  68         maContainerDocument = aContainerDoc;
  69     }
  70
  71     public XChartDocument insertOLEChartInWriter(
  72         Point  aUpperLeft,
  73         Size   aExtent,
  74         String sChartServiceName )
  75     {
  76         XChartDocument aResult = null;
  77
  78         XMultiServiceFactory aFact = UnoRuntime.queryInterface(XMultiServiceFactory.class,
  79                                   maContainerDocument );
  80
  81         if( aFact != null )
  82         {
  83             try
  84             {
  85                 XTextContent xTextContent = UnoRuntime.queryInterface(
  86                 XTextContent.class,
  87                 aFact.createInstance("com.sun.star.text.TextEmbeddedObject"));
  88
  89                 if ( xTextContent != null )
  90                 {
  91                     XPropertySet xPropSet = UnoRuntime.queryInterface(
  92                         XPropertySet.class, xTextContent);
  93
  94                     Any aAny = new Any(new Type(String.class), msChartClassID);
  95                     xPropSet.setPropertyValue("CLSID", aAny );
  96
  97                     XTextDocument xTextDoc = UnoRuntime.queryInterface(XTextDocument.class,
  98                                               maContainerDocument);
  99                     XText xText = xTextDoc.getText();
 100                     XTextCursor xCursor = xText.createTextCursor();
 101
 102                     //insert embedded object in text -> object will be created
 103                     xText.insertTextContent( xCursor, xTextContent, true );
 104
 105                     // set size and position
 106                     XShape xShape = UnoRuntime.queryInterface(
 107                         XShape.class, xTextContent);
 108                     xShape.setSize( aExtent );
 109
 110                     aAny = new Any(new Type(Short.class),
 111                                Short.valueOf(com.sun.star.text.VertOrientation.NONE));
 112                     xPropSet.setPropertyValue("VertOrient", aAny );
 113                     aAny = new Any(new Type(Short.class),
 114                                Short.valueOf(com.sun.star.text.HoriOrientation.NONE));
 115                     xPropSet.setPropertyValue("HoriOrient", aAny );
 116                     aAny = new Any(new Type(Integer.class), Integer.valueOf(aUpperLeft.Y));
 117                     xPropSet.setPropertyValue("VertOrientPosition", aAny );
 118                     aAny = new Any(new Type(Integer.class), Integer.valueOf(aUpperLeft.X));
 119                     xPropSet.setPropertyValue("HoriOrientPosition", aAny );
 120
 121                     // retrieve the chart document as model of the OLE shape
 122                     aResult = UnoRuntime.queryInterface(
 123                             XChartDocument.class,
 124                             xPropSet.getPropertyValue( "Model" ));
 125
 126                     // create a diagram via the factory and set this as
 127                     // new diagram
 128                     aResult.setDiagram(
 129                         UnoRuntime.queryInterface(
 130                             XDiagram.class,
 131                             UnoRuntime.queryInterface(
 132                                 XMultiServiceFactory.class,
 133                                 aResult ).createInstance(sChartServiceName )));
 134                 }
 135             } catch( Exception ex)
 136             {
 137                 System.out.println( "caught exception: " + ex );
 138             }
 139         }
 140
 141         return aResult;
 142     }
 143
 144     public XChartDocument insertOLEChartInDraw(
 145         Point  aUpperLeft,
 146         Size   aExtent,
 147         String sChartServiceName )
 148     {
 149         XChartDocument aResult = null;
 150
 151         XShapes aPage = null;
 152
 153         // try interface for multiple pages in a document
 154         XDrawPagesSupplier aSupplier = UnoRuntime.queryInterface(XDrawPagesSupplier.class,
 155                                   maContainerDocument );
 156
 157         if( aSupplier != null )
 158         {
 159             try
 160             {
 161                 // get first page
 162                 aPage = UnoRuntime.queryInterface(
 163                     XShapes.class, aSupplier.getDrawPages().getByIndex( 0 ) );
 164             }
 165             catch( Exception ex )
 166             {
 167                 System.out.println( "First page not found in shape collection: " +
 168                                     ex );
 169             }
 170         }
 171         else
 172         {
 173             // try interface for single draw page (e.g. spreadsheet)
 174             XDrawPageSupplier aOnePageSupplier = UnoRuntime.queryInterface(XDrawPageSupplier.class,
 175                                       maContainerDocument );
 176
 177             if( aOnePageSupplier != null )
 178             {
 179                 aPage = UnoRuntime.queryInterface(
 180                     XShapes.class, aOnePageSupplier.getDrawPage());
 181             }
 182         }
 183
 184         if( aPage != null )
 185         {
 186             XMultiServiceFactory aFact = UnoRuntime.queryInterface(XMultiServiceFactory.class,
 187                                       maContainerDocument );
 188
 189             if( aFact != null )
 190             {
 191                 try
 192                 {
 193                     // create an OLE shape
 194                     XShape aShape = UnoRuntime.queryInterface(
 195                         XShape.class,
 196                         aFact.createInstance( "com.sun.star.drawing.OLE2Shape" ));
 197
 198                     // insert the shape into the page
 199                     aPage.add( aShape );
 200                     aShape.setPosition( aUpperLeft );
 201                     aShape.setSize( aExtent );
 202
 203                     // make the OLE shape a chart
 204                     XPropertySet aShapeProp = UnoRuntime.queryInterface(XPropertySet.class, aShape );
 205                     if( aShapeProp != null )
 206                     {
 207                         // set the class id for charts
 208                         aShapeProp.setPropertyValue( "CLSID", msChartClassID );
 209
 210                         // retrieve the chart document as model of the OLE shape
 211                         aResult = UnoRuntime.queryInterface(
 212                             XChartDocument.class,
 213                             aShapeProp.getPropertyValue( "Model" ));
 214
 215                         // create a diagram via the factory and set this as
 216                         // new diagram
 217                         aResult.setDiagram(
 218                             UnoRuntime.queryInterface(
 219                                 XDiagram.class,
 220                                 UnoRuntime.queryInterface(
 221                                     XMultiServiceFactory.class,
 222                                     aResult ).createInstance(sChartServiceName )));
 223                     }
 224                 }
 225                 catch( Exception ex )
 226                 {
 227                     System.out.println( "Couldn't change the OLE shape into a chart: " + ex );
 228                 }
 229             }
 230         }
 231
 232         return aResult;
 233     }
 234
 235
 236     // __________ private members and methods __________
 237
 238     private static final String  msChartClassID   = "12dcae26-281f-416f-a234-c3086127382e";
 239
 240     private final XModel maContainerDocument;
 241 }