Ok, I've changed that. Debug now shows that at the line window = (Window) wtkxSerializer.readObject(Example.class, "Example.wtkx");
before execution variable rx (for example) is null. During execution, the
initialize() method is called and rx assumes a value, the initial image is
assigned. After execution, rx is null again.
I'm obviously still doing something stupid, but I just can't see what.
<example:Example title="Genesis Client" maximized="true"
styles="{showWindowControls:false}"
xmlns:bxml="http://pivot.apache.org/bxml";
xmlns:example="com.blackbox.x.client"
xmlns="org.apache.pivot.wtk">
<Border styles="{color:10, cornerRadii:20}">
<TablePane>
<columns>
<TablePane.Column />
</columns>
<rows>
<TablePane.Row>
<Border>
<BoxPane orientation="horizontal" >
<ImageView bxml:id="car"
styles="{verticalAlignment:'center'}"/>
<ImageView bxml:id="vci_status"
styles="{verticalAlignment:'bottom'}"/>
<ImageView bxml:id="pc"
styles="{verticalAlignment:'center'}"/>
<ImageView bxml:id="pc_status"
styles="{verticalAlignment:'bottom'}"/>
<ImageView bxml:id="server"
styles="{verticalAlignment:'center'}"/>
</BoxPane>
</Border>
</TablePane.Row>
<TablePane.Row>
<Border>
<BoxPane orientation="horizontal">
<ImageView bxml:id="rx" />
<ImageView bxml:id="tx" />
</BoxPane>
</Border>
</TablePane.Row>
<TablePane.Row height="300">
<Border>
<ScrollPane horizontalScrollBarPolicy="fill_to_capacity">
<view>
<TableView bxml:id="tv" selectMode="single">
<columns>
<TableView.Column name="message" width="800"
headerData="Header" />
</columns>
</TableView>
</view>
</ScrollPane>
</Border>
</TablePane.Row>
<TablePane.Row>
<Border>
<ActivityIndicator bxml:id="activityIndicator"
preferredWidth="24" preferredHeight="24" />
</Border>
</TablePane.Row>
</rows>
</TablePane>
</Border>
</example:Example>
public class Example extends Frame implements Application,
MessageBusListener, Bindable,Serializable {
private static String host;
private static String port;
private Window window;
private Display display;
private GenesisClient service;
private List<LogEvent> messages = new ArrayList<LogEvent>();
@BXML private ActivityIndicator activityIndicator;
@BXML private ImageView tx;
@BXML private ImageView rx;
@BXML private ImageView car;
@BXML private ImageView vci_status;
@BXML private ImageView pc;
@BXML private ImageView pc_status;
@BXML private ImageView server;
@BXML private TableView tv;
private static String TX_ON = "/com/blackbox/x/client/images/TxOn.png";
private static String RX_ON = "/com/blackbox/x/client/images/RxOn.png";
private static String TX_OFF =
"/com/blackbox/x/client/images/TxOff.png";
private static String RX_OFF =
"/com/blackbox/x/client/images/RxOff.png";
private static String CAR =
"/com/blackbox/x/client/images/transportation_car_32.png";
private static String VCI_STATUS_OFF =
"/com/blackbox/x/client/images/cross.png";
private static String VCI_STATUS_ON =
"/com/blackbox/x/client/images/tick.png";
private static String PC =
"/com/blackbox/x/client/images/generic_pc.png";
private static String PC_STATUS_OFF =
"/com/blackbox/x/client/images/cross.png";
private static String PC_STATUS_ON =
"/com/blackbox/x/client/images/tick.png";
private static String SERVER =
"/com/blackbox/x/client/images/redhat_network_server.png";
private String VERSION ="Pivot Client : Version 0.95.0.3";
private static final Logger logger = Logger
.getLogger(Example.class.getName());
public void resume() throws Exception {
}
public boolean shutdown(boolean optional) throws Exception {
if (window != null) {
window.close();
}
return false;
}
@SuppressWarnings("unchecked")
public void startup(final Display display, Map<String, String>
properties)
throws Exception {
this.display = display;
registerEventListeners();
BXMLSerializer wtkxSerializer = new BXMLSerializer();
window = (Window) wtkxSerializer.readObject(Example.class,
"Example.wtkx");
window.open(display);
TaskListener<String> taskListener = new TaskListener<String>()
{
public void taskExecuted(Task<String> task) {
activityIndicator.setActive(false);
vci_status.setImage(VCI_STATUS_ON);
window.setEnabled(true);
}
public void executeFailed(Task<String> task) {
// activityIndicator.setActive(false);
window.setEnabled(true);
Exception e = (Exception) task.getFault().getCause();
if (e instanceof VciNotFoundException) {
Alert.alert(MessageType.ERROR,"No VCI device found. Please
check that your"
+ " Vci device is connected securely to your
car and PC.
Please ensure that the"
+ " ignition is turned on and re-try running
this program.",
window, new DialogCloseListener()
{
public void dialogClosed(Dialog dialog, boolean
modal) {
try {
display.getHostWindow().dispose();
shutdown(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
}
};
//activityIndicator.setActive(true);
window.setEnabled(false);
new ClientTask().execute(new TaskAdapter<String>(taskListener));
}
@SuppressWarnings("unchecked")
private void registerEventListeners() {
MessageBus.subscribe(LogEvent.class, this);
MessageBus.subscribe(DataWriteEvent.class, this);
MessageBus.subscribe(DataReadEvent.class, this);
MessageBus.subscribe(ServerCloseEvent.class, this);
MessageBus.subscribe(ErrorEvent.class, this);
MessageBus.subscribe(ConnectEvent.class, this);
MessageBus.subscribe(ContactEvent.class, this);
}
public void suspend() throws Exception {
}
public static void main(String[] args) {
if (args[0] == null) {
host = "localhost";
} else {
host = args[0];
}
DesktopApplicationContext.main(Example.class, args);
}
private void sleep(int interval) {
try {
Thread.sleep(interval);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
private class ClientTask extends Task<String> {
@Override
public String execute() throws TaskExecutionException {
messages.add(new LogEvent(VERSION));
service = new GenesisClient(host);
try {
DataEventListener listener = new
PivotDataEventListener();
service.setListener(listener);
service.start();
} catch (IOException e) {
logger.error("GenesisClient throws IOException
during startup");
} catch (VciNotFoundException e) {
logger.error("GenesisClient cannot find Vci
device during startup");
throw new TaskExecutionException(e);
}
return "Done";
}
}
public void messageSent(Object message) {
if (message instanceof LogEvent) {
messages.add((LogEvent) message);
return;
}
if (message instanceof ServerCloseEvent) {
pc_status.setImage(PC_STATUS_OFF);
Alert.alert(MessageType.ERROR,"The Faultmate Genesis
server has closed
the connection. ", window, new DialogCloseListener()
{
public void dialogClosed(Dialog dialog, boolean
modal) {
try {
window.close();
shutdown(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
if (message instanceof ErrorEvent) {
vci_status.setImage(VCI_STATUS_OFF);
Alert.alert(MessageType.ERROR,((ErrorEvent)
message).getMessage(),
window, new DialogCloseListener()
{
public void dialogClosed(Dialog dialog, boolean
modal) {
try {
window.close();
shutdown(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
if (message instanceof ContactEvent) {
vci_status.setImage(VCI_STATUS_OFF);
messages.add(new LogEvent(((ContactEvent)
message).getMessage()));
Alert.alert(MessageType.ERROR,((ContactEvent)
message).getMessage(),
window, new DialogCloseListener()
{
public void dialogClosed(Dialog dialog, boolean
modal) {
try {
window.close();
shutdown(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
if (message instanceof ConnectEvent) {
messages.add(new LogEvent(((ConnectEvent)
message).getMessage()));
if (((ConnectEvent) message).isConnected()) {
pc_status.setImage(PC_STATUS_ON);
} else {
pc_status.setImage(PC_STATUS_OFF);
}
}
}
@Override
public void initialize(Map<String, Object> namespace, URL
location,
Resources resources) {
this.tv.setTableData(this.messages);
/* Set the initial Modem light position */
this.tx.setImage(TX_OFF);
this.rx.setImage(RX_OFF);
/* Set the initial "Connection" icon status.*/
this.car.setImage(CAR);
this.vci_status.setImage(VCI_STATUS_OFF);
this.pc.setImage(PC);
this.pc_status.setImage(PC_STATUS_OFF);
this.server.setImage(SERVER);
}
}
--
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