/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
import com.sun.star.awt.XMessageBox;
import com.sun.star.awt.XWindowPeer;
import com.sun.star.frame.XDesktop;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.lang.*;
import com.sun.star.frame.XModel;
import com.sun.star.frame.XController;
// application specific classes
import com.sun.star.chart.*;
import com.sun.star.uno.XComponentContext;
import com.sun.star.uno.XInterface;
import com.sun.star.view.XSelectionChangeListener;
import com.sun.star.view.XSelectionSupplier;
import com.sun.star.table.CellRangeAddress;
import com.sun.star.table.XCellRange;
import com.sun.star.sheet.XCellRangeAddressable;
import com.sun.star.awt.Point;
import com.sun.star.awt.Rectangle;
import com.sun.star.awt.Size;
import com.sun.star.awt.XMessageBoxFactory;
import com.sun.star.awt.MessageBoxType;
import com.sun.star.awt.XWindow;
// __________ Implementation __________
/** Create a spreadsheet add some data.
* Create a presentation and add a chart.
* Connect the chart to a calc range via a listener
*
* Note: This example does not work in StarOffice 6.0. It will be available
* in the StarOffice Accessibility release.
*
* @author Björn Milcke
*/
public class SelectionChangeListener implements XSelectionChangeListener {
public static void main( String args[] ) {
SelectionChangeListener aMySelf = new SelectionChangeListener( args );
aMySelf.run();
}
public SelectionChangeListener( String args[] ) {
Helper aHelper = new Helper( args );
maContext = aHelper.getComponentContext();
CalcHelper aCalcHelper = new CalcHelper( aHelper.createSpreadsheetDocument() );
// insert a cell range with 4 columns and 12 rows filled with random numbers
XCellRange aRange = aCalcHelper.insertRandomRange( 4, 12 );
CellRangeAddress aRangeAddress = ((XCellRangeAddressable) UnoRuntime.queryInterface(
XCellRangeAddressable.class, aRange)).getRangeAddress();
// change view to sheet containing the chart
aCalcHelper.raiseChartSheet();
// 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 = aCalcHelper.insertChart(
"SampleChart",
aRangeAddress,
aPos,
aExtent,
"com.sun.star.chart.XYDiagram" );
}
// ____________________
public void run() {
boolean bTrying = true;
while( bTrying ) {
// start listening for selection changes
XSelectionSupplier aSelSupp = (XSelectionSupplier) UnoRuntime.queryInterface(
XSelectionSupplier.class,
(((XModel) UnoRuntime.queryInterface(
XModel.class, maChartDocument )).getCurrentController()) );
if( aSelSupp != null ) {
aSelSupp.addSelectionChangeListener( this );
System.out.println( "Successfully attached as selection change listener" );
bTrying = false;
}
// start listening for death of Controller
XComponent aComp = (XComponent) UnoRuntime.queryInterface( XComponent.class, aSelSupp );
if( aComp != null ) {
aComp.addEventListener( this );
System.out.println( "Successfully attached as dispose listener" );
}
try {
Thread.currentThread().sleep( 500 );
} catch( InterruptedException ex ) {
}
}
}
// ____________________
// XEventListener (base of XSelectionChangeListener)
public void disposing( EventObject aSourceObj ) {
System.out.println( "disposing called. detaching as listener" );
// stop listening for selection changes
XSelectionSupplier aCtrl = (XSelectionSupplier) UnoRuntime.queryInterface(
XSelectionSupplier.class, aSourceObj );
if( aCtrl != null )
aCtrl.removeSelectionChangeListener( this );
// remove as dispose listener
XComponent aComp = (XComponent) UnoRuntime.queryInterface( XComponent.class, aSourceObj );
if( aComp != null )
aComp.removeEventListener( this );
// bail out
System.exit( 0 );
}
// ____________________
// XSelectionChangeListener
public void selectionChanged( EventObject aEvent ) {
XController aCtrl = (XController) UnoRuntime.queryInterface( XController.class, aEvent.Source );
if( aCtrl != null ) {
XMultiComponentFactory mMCF = maContext.getServiceManager();
MyMessageBox aMsgBox = new MyMessageBox(mMCF);
aMsgBox.start();
System.out.println("Listener finished");
}
}
// __________ private __________
private class MyMessageBox extends Thread{
private XMultiComponentFactory mMCF;
public MyMessageBox(XMultiComponentFactory xMCF){
mMCF = xMCF;
}
public void run() {
XDesktop aDesktop = null;
XInterface aToolKit = null;
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
try {
Object oDesktop = mMCF.createInstanceWithContext("com.sun.star.frame.Desktop", maContext);
Object oToolKit = mMCF.createInstanceWithContext("com.sun.star.awt.Toolkit", maContext);
aDesktop = (XDesktop) UnoRuntime.queryInterface(XDesktop.class, oDesktop);
aToolKit = (XInterface) UnoRuntime.queryInterface(XInterface.class, oToolKit);
} catch (Exception ex) {
ex.printStackTrace();
}
XWindow xWin = aDesktop.getCurrentFrame().getContainerWindow();
XWindowPeer aWinPeer = (XWindowPeer) UnoRuntime.queryInterface(XWindowPeer.class, xWin);
int button = com.sun.star.awt.MessageBoxButtons.BUTTONS_OK;
XMessageBoxFactory aMBF = (XMessageBoxFactory) UnoRuntime.queryInterface(XMessageBoxFactory.class, aToolKit);
XMessageBox xMB = aMBF.createMessageBox(aWinPeer, MessageBoxType.INFOBOX, button, "Event-Notify", "Listener was called, selcetion has changed");
xMB.execute();
}
}
private XChartDocument maChartDocument;
private XComponentContext maContext;
}