Example usage for com.google.gwt.user.client Timer Timer

List of usage examples for com.google.gwt.user.client Timer Timer

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In this page you can find the example usage for com.google.gwt.user.client Timer Timer.

Prototype

Timer

Source Link

Usage

From source file:ch.unifr.pai.twice.comm.serverPush.client.ServerPush.java

License:Apache License

private ServerPush(AtmosphereGWTSerializer serializer, final Command onConnected) {
    this.connectionTimeout = new Timer() {

        @Override//from   w  ww  .  j a  va  2s  .  com
        public void run() {
            if (!initialized) {
                onConnected.execute();
                initialized = true;
            }
        }
    };
    connectionTimeout.schedule(4000);
    this.atmosphereClient = new AtmosphereClient(
            GWT.getHostPageBaseURL() + Constants.BASEPATH + Constants.ATMOSPHERE, serializer,
            new AtmosphereListener() {

                @Override
                public void onConnected(int heartbeat, int connectionID) {
                    GWT.log("comet.connected [" + heartbeat + ", " + connectionID + "]");
                    connectionTimeout.cancel();
                    if (!initialized) {
                        onConnected.execute();
                        initialized = true;
                    }
                }

                @Override
                public void onBeforeDisconnected() {
                    GWT.log("comet.beforeDisconnected");
                }

                @Override
                public void onDisconnected() {
                    GWT.log("comet.disconnected");
                }

                @Override
                public void onError(Throwable exception, boolean connected) {
                    int statuscode = -1;
                    if (exception instanceof StatusCodeException) {
                        statuscode = ((StatusCodeException) exception).getStatusCode();
                    }
                    GWT.log("comet.error [connected=" + connected + "] (" + statuscode + ")"
                            + exception.getMessage());
                }

                @Override
                public void onHeartbeat() {
                    GWT.log("comet.heartbeat [" + atmosphereClient.getConnectionID() + "]");
                }

                @Override
                public void onRefresh() {
                    GWT.log("comet.refresh [" + atmosphereClient.getConnectionID() + "]");
                }

                @Override
                public void onAfterRefresh() {
                    GWT.log("comet.afterrefresh [" + atmosphereClient.getConnectionID() + "]");
                }

                @Override
                public void onMessage(List<?> messages) {
                    for (Object message : messages) {
                        if (message instanceof Serializable)
                            handleMessage((Serializable) message);
                    }
                }
            });
    this.atmosphereClient.start();
}

From source file:ch.unifr.pai.twice.dragndrop.client.MPDragNDrop.java

License:Apache License

/**
 * @see ch.unifr.pai.twice.dragndrop.client.DragNDrop.DragNDropIntf#makeDraggable(ch.unifr.pai.twice.dragndrop.client.intf.Draggable,
 *      ch.unifr.pai.twice.dragndrop.client.configuration.DragConfiguration, com.google.gwt.dom.client.Element)
 * /*from ww w  .  ja v a2s . c o  m*/
 *      Make the widget draggable by attaching a drag handler to it. If the drag handler is invoked, the logic checks if the widget is currently draggable
 *      (e.g. not locked by another user) and starts the drag by the invocation of
 *      {@link MPDragNDrop#startDrag(Widget, String, int, int, DragConfiguration, Element)} after making sure, that the delay defined by
 *      {@link MPDragNDrop#getDragDelayInMs()} is exceeded and it therefore is a valid drag
 * 
 */
@Override
public void makeDraggable(final Draggable w, final DragConfiguration conf, final Element dragProxyTemplate) {
    if (w instanceof Widget) {
        ((Widget) w).addStyleName("draggable");
        addDragHandler(w, new Callback<NativeEvent>() {
            @Override
            public void onDone(NativeEvent event) {
                if (w.isDraggable()) {
                    final String deviceId = getDeviceId(event);
                    final ValueHolder<Boolean> drag = new ValueHolder<Boolean>();
                    drag.setValue(true);
                    final HandlerRegistration end = registerEndHandler(w, new Callback<NativeEvent>() {

                        @Override
                        public void onDone(NativeEvent event) {

                            if (getDeviceId(event).equals(deviceId))
                                drag.setValue(false);
                        }
                    });
                    final int offsetX = getX(event) - ((Widget) w).getElement().getAbsoluteLeft();
                    final int offsetY = getY(event) - ((Widget) w).getElement().getAbsoluteTop();
                    DOM.eventPreventDefault((Event) event);
                    Timer t = new Timer() {

                        @Override
                        public void run() {
                            end.removeHandler();
                            if (drag.getValue() && !((Widget) w).getStyleName().contains(DRAGGINGSTYLENAME))
                                startDrag((Widget) w, deviceId, offsetX, offsetY, conf, dragProxyTemplate);
                        }
                    };
                    t.schedule(getDragDelayInMs());
                }
            }
        });
    }
}

From source file:ch.unifr.pai.twice.mousecontrol.client.TouchPadNintendoDS.java

License:Apache License

public TouchPadNintendoDS() {
    super(false);
    add(focus);/*  w ww  . j ava2  s  .c  o  m*/
    setWidth("2000px");
    setHeight("2000px");
    add(l);
    l.setWidth("200px");
    l.setHeight("200px");
    l.getElement().getStyle().setPosition(Position.ABSOLUTE);
    l.getElement().getStyle().setZIndex(200);
    updater = new Timer() {

        @Override
        public void run() {
            if (skipEvents == 0) {
                left = RootPanel.getBodyElement().getScrollLeft();
                top = RootPanel.getBodyElement().getScrollTop();
                if (currentX == -1 || currentY == -1) {
                    currentX = left;
                    currentY = top;
                } else if (left != currentX || top != currentY) {
                    // l.getElement().getStyle().setDisplay(Display.NONE);
                    // focus.setVisible(false);
                    int dX = currentX - left;
                    int dY = currentY - top;
                    currentX = left;
                    currentY = top;
                    updatePos(dX, dY);
                    lastUpdate = new Date().getTime();

                }
                // else if (lastUpdate != -1
                // && new Date().getTime() - lastUpdate > timerThreshold) {
                // lastUpdate = -1;
                // currentX = -1;
                // currentY = -1;
                // skipEvents = eventsAfterReset;
                // Window.scrollTo(1000, 1000);
                // l.getElement().getStyle().setDisplay(Display.BLOCK);
                // focus.setVisible(true);
                // }
            }
        }
    };

}

From source file:ch.unifr.pai.twice.mousecontrol.client.TouchPadNintendoDS.java

License:Apache License

@Override
public void start() {
    super.start();
    if (windowScrollHandler != null)
        windowScrollHandler.removeHandler();
    windowScrollHandler = Window.addWindowScrollHandler(new Window.ScrollHandler() {

        @Override//from   w  w  w. j  a v a 2  s . co  m
        public void onWindowScroll(ScrollEvent event) {
            if (skipEvents > 0)
                skipEvents--;
            l.getElement().getStyle().setLeft(RootPanel.getBodyElement().getScrollLeft(), Unit.PX);
            l.getElement().getStyle().setTop(RootPanel.getBodyElement().getScrollTop(), Unit.PX);
        }
    });
    Timer t2 = new Timer() {

        @Override
        public void run() {
            skipEvents = eventsAfterReset;
            Window.scrollTo(1000, 1000);
            updater.scheduleRepeating(50);
        }
    };
    t2.schedule(1000);
}

From source file:ch.unifr.pai.twice.mousecontrol.client.TouchPadScrollWidget.java

License:Apache License

public TouchPadScrollWidget() {
    super(false);
    scroller.setHeight("100%");
    scroller.setWidth("100%");
    add(scroller);//from   ww w .  java  2 s  .c  o m
    scroller.add(spacer);
    updater = new Timer() {

        @Override
        public void run() {
            currentScreenX = spacer.getOffsetWidth() - scroller.getHorizontalScrollPosition()
                    - scroller.getOffsetWidth();
            currentScreenY = spacer.getOffsetHeight() - scroller.getVerticalScrollPosition()
                    - scroller.getOffsetHeight();
        }
    };

}

From source file:ch.unifr.pai.twice.mousecontrol.client.TouchPadWidget.java

License:Apache License

/**
 * starts the execution of the component
 *//*from  w w w.ja v  a 2s  . c o  m*/
public void start() {
    if (!running) {
        label.setText("looking for available remote-clients");
        getAvailableClients(new Command() {

            @Override
            public void execute() {
                label.setText((availableClients == null ? "0" : availableClients.length) + " clients found");
                if (getCurrentClient() != null) {
                    label.setText("looking for cursor on client " + getCurrentClient());
                    lookForCursor = new Timer() {

                        @Override
                        public void run() {
                            try {
                                new RequestBuilder(RequestBuilder.GET, GWT.getHostPageBaseURL() + controlServlet
                                        + "?a=x"
                                        + (getCurrentClient() != null ? "&targetUUID=" + getCurrentClient()
                                                : "")
                                        + (uuid != null ? "&uuid=" + uuid : "")
                                        + (host != null ? "&host=" + host : "")
                                        + (port != null ? "&port=" + port : "")).sendRequest(null,
                                                new RequestCallback() {

                                                    @Override
                                                    public void onResponseReceived(Request request,
                                                            Response response) {
                                                        if (response.getStatusCode() > 400)
                                                            onError(request, null);
                                                        label.setText("GOT DATA: " + response.getText());
                                                        String color = extractColor(response);
                                                        if (color == null || color.isEmpty()
                                                                || color.equals("#null"))
                                                            color = null;
                                                        extractLastAction(response);

                                                        setScreenDimension(extractScreenDimensions(response));
                                                        if (color != null) {
                                                            setColor(color);
                                                            cursorAssigned();
                                                        } else {
                                                            noCursorAvailable();
                                                        }
                                                    }

                                                    @Override
                                                    public void onError(Request request, Throwable exception) {
                                                        noCursorAvailable();
                                                    }
                                                });
                            } catch (RequestException e) {
                                noCursorAvailable();
                            }
                        }
                    };
                    lookForCursor.run();
                }
            }
        });
    }
}

From source file:ch.unifr.pai.twice.multipointer.client.widgets.MultiFocusTextBox.java

License:Apache License

public MultiFocusTextBox() {
    blinkTimer = new Timer() {

        @Override/*w w w  .j  av  a2  s .co m*/
        public void run() {
            for (Cursor c : cursors.values()) {
                c.setVisible(cursorsVisible);
            }
            cursorsVisible = !cursorsVisible;
        }
    };
    blinkTimer.scheduleRepeating(cursorSpeed);
    p.getElement().getStyle().setDisplay(Display.INLINE_BLOCK);
    c = Canvas.createIfSupported();
    c.setCoordinateSpaceWidth(10000);
    c.addStyleName("multiFocusWidget");
    c.getElement().getStyle().setBorderWidth(0, Unit.PX);
    c.getElement().getStyle().setProperty("outline", "none");
    c.addKeyPressHandler(new KeyPressHandler() {

        @Override
        public void onKeyPress(KeyPressEvent event) {
            processInput(MultiCursorController.getUUID(event.getNativeEvent()), event.getCharCode());
        }
    });
    c.addKeyUpHandler(new KeyUpHandler() {

        @Override
        public void onKeyUp(KeyUpEvent event) {
            Cursor c = cursors.get(MultiCursorController.getUUID(event.getNativeEvent()));
            if (c != null) {
                switch (event.getNativeKeyCode()) {
                case KeyCodes.KEY_LEFT:
                    c.setPosition(Math.max(0, c.position - 1));
                    scrollIfNecessary();
                    break;
                case KeyCodes.KEY_RIGHT:
                    c.setPosition(Math.min(value.length(), c.position + 1));
                    scrollIfNecessary();
                    break;
                case KeyCodes.KEY_UP:
                    c.setPosition(0);
                    scrollIfNecessary();
                    break;
                case KeyCodes.KEY_DOWN:
                    c.setPosition(value != null ? value.length() : 0);
                    scrollIfNecessary();
                    break;
                case KeyCodes.KEY_DELETE:
                    if (value != null && c.position < value.length()) {
                        setValue(value.substring(0, c.position) + value.substring(c.position + 1));
                        for (Cursor cursor : cursors.values()) {
                            if (c.position < cursor.getPosition()) {
                                cursor.setPosition(cursor.getPosition() - 1);
                            }
                        }
                        scrollIfNecessary();
                    }
                    break;
                case KeyCodes.KEY_BACKSPACE:
                    if (value != null && c.position > 0 && c.position <= value.length()) {
                        setValue(value.substring(0, c.position - 1) + value.substring(c.position));
                        c.setPosition(c.position - 1);
                        for (Cursor cursor : cursors.values()) {
                            if (c.position < cursor.position) {
                                cursor.setPosition(cursor.getPosition() - 1);
                            }
                        }
                        scrollIfNecessary();
                    }
                    break;
                }
            }
        }
    });
    c.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(ClickEvent event) {
            repositionCursor(MultiCursorController.getUUID(event.getNativeEvent()),
                    MultiCursorController.getColorNative(event.getNativeEvent()),
                    event.getRelativeX(c.getCanvasElement()), event.getRelativeY(c.getCanvasElement()));
        }
    });
    multiFocus.insert(c, 0, 0, 0);
    initWidget(multiFocus);
    context = c.getContext2d();
    context.setTextAlign(TextAlign.LEFT);
    context.setTextBaseline(TextBaseline.TOP);
    context.setFont("normal " + fontSize + "px sans-serif");
    c.getElement().getStyle().setPadding(padding, Unit.PX);
    setStyle();
    // TODO Auto-generated constructor stub
    // multiFocus.setVisible(false);

    multiFocus.setWidth("161px");
    multiFocus.setHeight("25px");

}

From source file:ch.unifr.pai.twice.multipointer.provider.client.widgets.MultiFocusTextBox.java

License:Apache License

public MultiFocusTextBox() {

    blinkTimer = new Timer() {

        @Override/*from  w  w w.  j ava2s  .  c  o m*/
        public void run() {
            for (Cursor c : cursors.values()) {
                c.setVisible(cursorsVisible);
            }
            cursorsVisible = !cursorsVisible;
        }
    };

    blinkTimer.scheduleRepeating(cursorSpeed);
    p.getElement().getStyle().setDisplay(Display.INLINE_BLOCK);
    c = Canvas.createIfSupported();
    c.setCoordinateSpaceWidth(10000);
    c.addStyleName("multiFocusWidget");
    c.getElement().getStyle().setBorderWidth(0, Unit.PX);
    c.getElement().getStyle().setProperty("outline", "none");
    c.addKeyPressHandler(new KeyPressHandler() {

        @Override
        public void onKeyPress(KeyPressEvent event) {
            processInput(NoMultiCursorController.getUUID(event.getNativeEvent()), event.getCharCode());
            String textcolor = NoMultiCursorController.getColorNative(event.getNativeEvent());
            setTextColor(textcolor);

        }
    });

    c.addKeyUpHandler(new KeyUpHandler() {

        @Override
        public void onKeyUp(KeyUpEvent event) {
            Cursor c = cursors.get(NoMultiCursorController.getUUID(event.getNativeEvent()));

            if (c != null) {

                switch (event.getNativeKeyCode()) {
                case KeyCodes.KEY_LEFT:
                    c.setPosition(Math.max(0, c.position - 1));
                    scrollIfNecessary();
                    break;
                case KeyCodes.KEY_RIGHT:
                    c.setPosition(Math.min(value.length(), c.position + 1));
                    scrollIfNecessary();
                    break;
                case KeyCodes.KEY_UP:
                    c.setPosition(0);
                    scrollIfNecessary();
                    break;
                case KeyCodes.KEY_DOWN:
                    c.setPosition(value != null ? value.length() : 0);
                    scrollIfNecessary();
                    break;
                case KeyCodes.KEY_DELETE:
                    if (value != null && c.position < value.length()) {
                        setValue(value.substring(0, c.position) + value.substring(c.position + 1));
                        for (Cursor cursor : cursors.values()) {
                            if (c.position < cursor.getPosition()) {
                                cursor.setPosition(cursor.getPosition() - 1);
                            }
                        }
                        scrollIfNecessary();
                    }
                    break;
                case KeyCodes.KEY_BACKSPACE:
                    if (value != null && c.position > 0 && c.position <= value.length()) {
                        setValue(value.substring(0, c.position - 1) + value.substring(c.position));
                        c.setPosition(c.position - 1);
                        for (Cursor cursor : cursors.values()) {
                            if (c.position < cursor.position) {
                                cursor.setPosition(cursor.getPosition() - 1);
                            }
                        }
                        scrollIfNecessary();
                    }
                    break;
                case KeyCodes.KEY_ENTER: //ICEExperiments-TextEdit
                    setValue("");
                    c.setPosition(0);

                    break;
                }
            }
        }
    });

    c.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(ClickEvent event) {
            repositionCursor(NoMultiCursorController.getUUID(event.getNativeEvent()),
                    NoMultiCursorController.getColorNative(event.getNativeEvent()),
                    event.getRelativeX(c.getCanvasElement()), event.getRelativeY(c.getCanvasElement()));
        }
    });
    multiFocus.insert(c, 0, 0, 0);
    initWidget(multiFocus);
    context = c.getContext2d();
    context.setTextAlign(TextAlign.LEFT);
    context.setTextBaseline(TextBaseline.TOP);
    context.setFont("normal " + fontSize + "px sans-serif");
    c.getElement().getStyle().setPadding(padding, Unit.PX);
    setStyle();
    // TODO Auto-generated constructor stub
    // multiFocus.setVisible(false);

    multiFocus.setWidth("161px");
    multiFocus.setHeight("25px");

}

From source file:ch.unifr.pai.twice.utils.experiment.workflow.client.ExperimentWorkflow.java

License:Apache License

/**
 * stops the current task, disables the "next" button (to prevent users skipping the current tasks) for a short moment and show the next task if available.
 * Also start the timer if the task has a specified timeout that interrupts the execution
 *///from   w w  w  .j av  a 2 s  .c  om
private void switchToNextTask() {
    int nextTaskIndex;
    if (taskTimer != null) {
        taskTimer.cancel();
        taskTimer = null;
    }
    if (currentTaskIndex >= experiments.size() - 1) {
        if (loopExecution) {
            nextTaskIndex = 0;
        } else {
            stop();
            return;
        }
    } else {
        nextTaskIndex = currentTaskIndex + 1;
    }
    Task<?> newTask = experiments.get(nextTaskIndex);
    if (currentTask instanceof HasStartAndStop)
        ((HasStartAndStop) currentTask).stop();
    // if (currentTask instanceof HasLog)
    // service.log(((HasLog) currentTask).getLog(), false,
    // new DummyAsyncCallback<Void>());
    if (newTask != null) {
        currentTask = newTask;
        if (newTask instanceof Widget) {
            // taskContainerPanel.setWidget(((Widget) newTask));
        }
    }
    if (newTask.hasNextButton()) {
        nextButton.setVisible(true);
        nextButton.setEnabled(false);
        Timer t = new Timer() {
            @Override
            public void run() {
                nextButton.setEnabled(true);
            }
        };
        t.schedule(ENABLENEXTBUTTONINMS);
    } else {
        nextButton.setVisible(false);
    }
    //
    // if (newTask instanceof EnforceInputDevice)
    // changeInputDevice(((EnforceInputDevice) newTask).useInputDevice());
    if (newTask instanceof HasStartAndStop) {
        ((HasStartAndStop) newTask).start();
    }
    currentTaskIndex++;
    if (newTask.getTimeout() != null) {
        taskTimer = new Timer() {
            @Override
            public void run() {
                switchToNextTask();
            }
        };
        taskTimer.schedule(newTask.getTimeout().intValue());

    }
}

From source file:ch.unifr.pai.twice.widgets.client.MultiFocusTextBox.java

License:Apache License

public MultiFocusTextBox() {
    blinkTimer = new Timer() {

        @Override/*from w w  w.j  av a  2 s  .c om*/
        public void run() {
            for (Cursor c : cursors.values()) {
                c.setVisible(cursorsVisible);
            }
            cursorsVisible = !cursorsVisible;
        }
    };
    blinkTimer.scheduleRepeating(cursorSpeed);
    p.getElement().getStyle().setDisplay(Display.INLINE_BLOCK);
    c = Canvas.createIfSupported();
    c.getElement().getStyle().setBorderWidth(0, Unit.PX);
    c.getElement().getStyle().setProperty("outline", "none");
    c.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(ClickEvent event) {
            //TODO if it is a new device, create a new cursor with the 
            repositionCursor(null, event.getRelativeX(c.getCanvasElement()),
                    event.getRelativeY(c.getCanvasElement()));
        }
    });
    multiFocus.insert(c, 0, 0, 0);
    initWidget(multiFocus);
    getElement().getStyle().setBorderStyle(BorderStyle.SOLID);
    getElement().getStyle().setBorderWidth(1, Unit.PX);
    c.getElement().getStyle().setMargin(5, Unit.PX);
    context = c.getContext2d();
    context.setTextAlign(TextAlign.LEFT);
    context.setTextBaseline(TextBaseline.TOP);
    context.setFont("13px sans-serif;");

    // TODO Auto-generated constructor stub
    //      multiFocus.setVisible(false);

    multiFocus.setWidth("161px");
    multiFocus.setHeight("28px");

}