INTEGRATION: CWS sdk02 (1.1.2); FILE ADDED

2003/05/09 10:36:54 jsc 1.1.2.1: #109045# insert new and remove example zip file

odk/examples/DevelopersGuide/Charts/ListenAtCalcRangeInDraw.java

+// __________ Imports __________
+
+// base classes
+import com.sun.star.uno.XInterface;
+import com.sun.star.uno.UnoRuntime;
+import com.sun.star.lang.*;
+
+// property access
+import com.sun.star.beans.*;
+
+// application specific classes
+import com.sun.star.chart.*;
+import com.sun.star.drawing.*;
+
+import com.sun.star.table.CellRangeAddress;
+import com.sun.star.table.XCellRange;
+import com.sun.star.sheet.XSpreadsheetDocument;
+
+import com.sun.star.frame.XModel;
+import com.sun.star.frame.XController;
+
+import com.sun.star.util.XNumberFormatsSupplier;
+import com.sun.star.util.XNumberFormats;
+
+// base graphics things
+import com.sun.star.awt.Point;
+import com.sun.star.awt.Size;
+import com.sun.star.awt.Rectangle;
+import com.sun.star.awt.FontWeight;
+import com.sun.star.awt.FontRelief;
+
+// Exceptions
+import com.sun.star.uno.Exception;
+import com.sun.star.uno.RuntimeException;
+import com.sun.star.beans.UnknownPropertyException;
+import com.sun.star.lang.IndexOutOfBoundsException;
+import com.sun.star.util.MalformedNumberFormatException;
+
+
+// __________ Implementation __________
+
+/** Create a spreadsheet add some data.
+    Create a presentation and add a chart.
+    Connect the chart to a calc range via a listener
+    @author Björn Milcke
+ */
+public class ListenAtCalcRangeInDraw implements XChartDataChangeEventListener
+{
+    public static void main( String args[] )
+    {
+        ListenAtCalcRangeInDraw aMySelf = new ListenAtCalcRangeInDraw( args );
+
+        aMySelf.run();
+    }
+
+    public ListenAtCalcRangeInDraw( String args[] )
+    {
+        Helper aHelper = new Helper( args );
+
+        maSheetDoc = aHelper.createSpreadsheetDocument();
+        maDrawDoc  = aHelper.createDrawingDocument();
+        CalcHelper aCalcHelper   = new CalcHelper(  maSheetDoc );
+        ChartHelper aChartHelper = new ChartHelper( maDrawDoc );
+
+        XCellRange aRange = aCalcHelper.insertFormulaRange( 3, 30 );
+
+        // the unit for measures is 1/100th of a millimeter
+        // position at (1cm, 1cm)
+        Point aPos    = new Point( 1000, 1000 );
+
+        // size of the chart is 15cm x 9.271cm
+        Size  aExtent = new Size( 15000, 9271 );
+
+        // insert a new chart into the "Chart" sheet of the
+        // spreadsheet document
+        maChartDocument = aChartHelper.insertOLEChart(
+            "ChartWithCalcData",
+            aPos,
+            aExtent,
+            "com.sun.star.chart.XYDiagram" );
+
+        // attach the data coming from the cell range to the chart
+        maChartData = (XChartData) UnoRuntime.queryInterface( XChartData.class, aRange );
+        maChartDocument.attachData( maChartData );
+    }
+
+    // ____________________
+
+    public void run()
+    {
+        try
+        {
+            ((XPropertySet) UnoRuntime.queryInterface(
+                XPropertySet.class, maChartDocument )).setPropertyValue(
+                "HasSubTitle", new Boolean( true ));
+
+            // start listening for death of spreadsheet
+            ((XComponent) UnoRuntime.queryInterface(
+                XComponent.class, maSheetDoc )).addEventListener( this );
+
+            // start listening for death of chart
+            ((XComponent) UnoRuntime.queryInterface(
+                XComponent.class, maChartDocument )).addEventListener( this );
+
+            //start listening for change of data
+            maChartData.addChartDataChangeEventListener( this );
+        }
+        catch( Exception ex )
+        {
+            System.out.println( "Oops: " + ex );
+        }
+
+        // call listener
+        ChartDataChangeEvent aEvent = new ChartDataChangeEvent();
+        aEvent.Type = ChartDataChangeType.ALL;
+        chartDataChanged( aEvent );
+    }
+
+    // ____________________
+
+    // XEventListener (base of XChartDataChangeEventListener)
+    public void disposing( EventObject aSourceObj )
+    {
+        if( UnoRuntime.queryInterface( XChartDocument.class, aSourceObj.Source ) != null )
+            System.out.println( "Disconnecting Listener because Chart was shut down" );
+
+        if( UnoRuntime.queryInterface( XSpreadsheetDocument.class, aSourceObj.Source ) != null )
+            System.out.println( "Disconnecting Listener because Spreadsheet was shut down" );
+
+        // remove data change listener
+        maChartData.removeChartDataChangeEventListener( this );
+
+        // remove dispose listeners
+        ((XComponent) UnoRuntime.queryInterface(
+            XComponent.class, maSheetDoc )).removeEventListener( this );
+        ((XComponent) UnoRuntime.queryInterface(
+            XComponent.class, maChartDocument )).removeEventListener( this );
+
+        System.exit( 0 );
+    }
+
+    // ____________________
+
+    // XChartDataChangeEventListener
+    public void chartDataChanged( ChartDataChangeEvent aEvent )
+    {
+        // update subtitle
+        String aTitle = new String( "Last Update: " + new java.util.Date( System.currentTimeMillis() ));
+
+        try
+        {
+            ((XPropertySet) UnoRuntime.queryInterface(
+                XPropertySet.class, maChartDocument.getSubTitle())).setPropertyValue(
+                "String", aTitle );
+
+            maChartDocument.attachData( maChartData );
+        }
+        catch( Exception ex )
+        {
+            System.out.println( "Oops: " + ex );
+        }
+
+        System.out.println( "Data has changed" );
+    }
+
+
+    // __________ private __________
+
+    private XSpreadsheetDocument      maSheetDoc;
+    private XModel                    maDrawDoc;
+    private XChartDocument            maChartDocument;
+    private XChartData                maChartData;
+}