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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Introduction

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:com.google.gwt.sample.feedreader.client.ManifestPanel.java

License:Apache License

public ManifestPanel(final Configuration configuration) {
    super("Feeds", null);
    this.configuration = configuration;

    setEditCommand("Edit", "Edits feeds", new Command() {
        public void execute() {
            History.newItem("configuration");
        }/* www . j  a v a  2  s. c o  m*/
    });

    // Start a timer to refresh the feed data.
    (new Timer() {
        public void run() {
            refresh();
        }
    }).scheduleRepeating(5 * 60 * 1000);

    addStyleName("ManifestPanel");
}

From source file:com.google.gwt.sample.guestbook.client.Orbital.java

public Orbital(int width, int height) {
    this.width = width;
    this.height = height;
    orbiter.mass = 1;/*ww w.j  a  v  a  2  s . co m*/
    setBodyNumber(BodyNumber.ONE);
    init();
    timer = new Timer() {
        @Override
        public void run() {
            iterate();
        }

    };
}

From source file:com.google.gwt.sample.mobilewebapp.presenter.tasklist.TaskListPresenter.java

License:Apache License

@Override
public void start(EventBus eventBus) {
    this.eventBus = eventBus;
    // Add a handler to the 'add' button in the shell.
    clientFactory.getShell().setAddButtonVisible(true);

    // Clear the task list and display it.
    if (clearTaskList) {
        getView().clearList();/*from  w ww .j a  va2 s.co m*/
    }

    // Create a timer to periodically refresh the task list.
    refreshTimer = new Timer() {
        @Override
        public void run() {
            refreshTaskList();
        }
    };

    // Load the saved task list from storage
    List<TaskProxy> list = clientFactory.getTaskProxyLocalStorage().getTasks();
    setTasks(list);

    // Request the task list now.
    refreshTaskList();
}

From source file:com.google.gwt.sample.showcase.client.content.cell.AsyncContactProvider.java

@Override
protected void onRangeChanged(final HasData<ContactInfo> display) {
    requestCount++;//w w w .  jav a2s.  com
    Timer timer = new Timer() {
        int rc = requestCount;

        @Override
        public void run() {
            int size = serverContacts.size();
            if (size > 0) {
                // Do not push data if the data set is empty.
                updateRowData(display, 0, serverContacts.subList(0,
                        display.getVisibleRange().getStart() + display.getVisibleRange().getLength()));
                updateRowCount(serverContacts.size(), true);
            }
            loadingStatus.setVisible(false);
            logger.info("...RPC " + rc);
        }
    };
    // Simulate the delay incurred by a remote procedure call.
    loadingStatus.setVisible(true);
    loadingStatus.setText("RPC " + requestCount + "...");
    logger.info("RPC " + requestCount + "...");
    timer.schedule(requestCount == 1 ? 4000 : 2000);
}

From source file:com.google.gwt.sample.showcase.client.content.cell.CwCellValidation.java

License:Apache License

/**
 * Initialize this example.//www.j a  va  2  s  .c  o m
 */
@ShowcaseSource
@Override
public Widget onInitialize() {
    // Create a table.
    final CellTable<ContactInfo> table = new CellTable<ContactInfo>(10, ContactInfo.KEY_PROVIDER);

    // Add the Name column.
    table.addColumn(new Column<ContactInfo, String>(new TextCell()) {
        @Override
        public String getValue(ContactInfo object) {
            return object.getFullName();
        }
    }, constants.cwCellValidationColumnName());

    // Add an editable address column.
    final ValidatableInputCell addressCell = new ValidatableInputCell(constants.cwCellValidationError());
    Column<ContactInfo, String> addressColumn = new Column<ContactInfo, String>(addressCell) {
        @Override
        public String getValue(ContactInfo object) {
            return object.getAddress();
        }
    };
    table.addColumn(addressColumn, constants.cwCellValidationColumnAddress());
    addressColumn.setFieldUpdater(new FieldUpdater<ContactInfo, String>() {
        public void update(int index, final ContactInfo object, final String value) {
            // Perform validation after 2 seconds to simulate network delay.
            new Timer() {
                @Override
                public void run() {
                    if (isAddressValid(value)) {
                        // The cell will clear the view data when it sees the updated
                        // value.
                        object.setAddress(value);

                        // Push the change to the views.
                        ContactDatabase.get().refreshDisplays();
                    } else {
                        // Update the view data to mark the pending value as invalid.
                        ValidationData viewData = addressCell
                                .getViewData(ContactInfo.KEY_PROVIDER.getKey(object));
                        viewData.setInvalid(true);

                        // We only modified the cell, so do a local redraw.
                        table.redraw();
                    }
                }
            }.schedule(1000);
        }
    });

    // Add the table to the database.
    ContactDatabase.get().addDataDisplay(table);

    return table;
}

From source file:com.google.gwt.sample.stockwatch.client.StockWatcher.java

private void loadStockWatcher() {
    //Set up Sign Out hyperlink
    signOutLink.setHref(loginInfo.getLogoutUrl());

    //Create table for stock data
    stocksFlexTable.setText(0, 0, "Symbol");
    stocksFlexTable.setText(0, 1, "Price");
    stocksFlexTable.setText(0, 2, "Change");
    stocksFlexTable.setText(0, 3, "Remove");

    //Add styles to elements in the stock list table.
    stocksFlexTable.getRowFormatter().addStyleName(0, "watchListHeader");
    stocksFlexTable.addStyleName("watchList");
    stocksFlexTable.getCellFormatter().addStyleName(0, 1, "watchListNumericColumn");
    stocksFlexTable.getCellFormatter().addStyleName(0, 2, "watchListNumericColumn");
    stocksFlexTable.getCellFormatter().addStyleName(0, 3, "watchListRemoveColumn");
    stocksFlexTable.setCellPadding(6);/*from w ww  . jav a  2 s  .c o  m*/

    loadStocks();

    //Assemble Add Stock Panel
    addPanel.add(newSymbolTextBox);
    addPanel.add(addStockButton);
    addPanel.addStyleName("addPanel");

    //Assemble Main Panel
    mainPanel.add(signOutLink);
    mainPanel.add(stocksFlexTable);
    mainPanel.add(addPanel);
    mainPanel.add(lastUpdatedLabel);

    //Assemble the Main panel with the HTML host page
    RootPanel.get("stockList").add(mainPanel);

    //Move cursor focus to the input box.
    newSymbolTextBox.setFocus(true);

    //Set Timer to refresh list automatically
    Timer refreshTimer = new Timer() {
        @Override
        public void run() {
            refreshWatchList();
        }
    };
    refreshTimer.scheduleRepeating(REFRESH_INTERVAL);

    //Listen for mouse events on the Add button.
    addStockButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            addStock();
        }
    });

    //Listen for keyboard events in the input box
    newSymbolTextBox.addKeyDownHandler(new KeyDownHandler() {
        public void onKeyDown(KeyDownEvent event) {
            if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
                addStock();
            }
        }
    });
}

From source file:com.google.gwt.sample.stockwatcher.client.ChartUtilities.java

public static StockChart createLiveChart(final String sensorName, Number[][] data, String title,
        final Boolean predictionIsEnabled, final Boolean isLiveUpdate, int steps) {

    Utility.hideTimer();//ww w.  ja v a 2  s  .  c o m
    final StockChart chart = new StockChart();
    chart.setType(Series.Type.SPLINE).setMarginRight(30)
            .setBarPlotOptions(new BarPlotOptions().setDataLabels(new DataLabels().setEnabled(true)))
            .setChartTitleText(title).setLegend(new Legend().setEnabled(false))
            .setCredits(new Credits().setEnabled(false)).setSplinePlotOptions(
                    new SplinePlotOptions().setMarker(new Marker().setEnabled(true).setRadius(3)));
    chart.setBackgroundColor(new Color().setLinearGradient(0.0, 0.0, 1.0, 1.0).addColorStop(0, 0, 0, 0, 1)
            .addColorStop(0, 0, 0, 0, 0));

    chart.getXAxis().setDateTimeLabelFormats(new DateTimeLabelFormats().setMinute("%l:%M %p"));

    ArrayList<String> attributes = Data.sensorAttributeList.get(sensorName);
    String unit = attributes.get(5);

    chart.getYAxis().setAxisTitleText(unit)
            .setPlotLines(chart.getYAxis().createPlotLine().setValue(0).setWidth(1).setColor("#808080"));

    final Series series = chart.createSeries();
    chart.addSeries(series.setName("Data"));

    final Series predictionSeries = chart.createSeries();
    int lastRow = data.length - 1;

    if (predictionIsEnabled) {
        lastRow -= steps;
        chart.addSeries(predictionSeries.setName("Prediction"));
        for (int i = lastRow; i < data.length; i++) {
            predictionSeries.addPoint(data[i][0], data[i][1]);
        }
    }

    for (int i = 0; i < lastRow; i++) {
        series.addPoint(data[i][0], data[i][1]);
    }

    if (isLiveUpdate) {
        final Timer tempTimer = new Timer() {
            java.sql.Date lastRequestTime = new java.sql.Date(System.currentTimeMillis());

            @Override
            public void run() {
                if (chart.isAttached()) {
                    if (chart.isRendered()) {
                        long currTime = System.currentTimeMillis();
                        getAppendData(series, sensorName, lastRequestTime, new java.sql.Date(currTime),
                                predictionIsEnabled, predictionSeries);
                        lastRequestTime = new java.sql.Date(currTime + 1);
                    }
                    schedule(6000);
                } else {
                    cancel();
                }
            }
        };
        tempTimer.schedule(0);
    }

    chart.setSize(Window.getClientWidth() * 2 / 3, Window.getClientHeight() * 2 / 3);

    return chart;
}

From source file:com.google.gwt.sample.stockwatcher.client.ChartUtilities.java

public static HorizontalPanel createGaugeChart(final String name, final int size) {
    final HorizontalPanel lol = new HorizontalPanel();
    final Chart chart = new Chart();
    chart.setType(Series.Type.SOLID_GAUGE).setLegend(new Legend().setEnabled(false))
            .setCredits(new Credits().setEnabled(false)).setAlignTicks(false).setPlotBackgroundImage(null)
            .setBorderWidth(0).setPlotShadow(false).setExporting(new Exporting().setEnabled(false))
            .setChartTitle(new ChartTitle().setText("Latest " + name + " sensor reading"))
            .setPane(new Pane().setStartAngle(-90).setEndAngle(90).setCenter("50%", "85%")
                    .setBackground(new PaneBackground().setInnerRadius("60%").setOuterRadius("100%")
                            .setShape(PaneBackground.Shape.ARC).setBackgroundColor("rgba(0,0,0,0)")))
            .setSolidGaugePlotOptions(new SolidGaugePlotOptions().setAnimation(false));

    final ArrayList<String> attributes = Data.sensorAttributeList.get(name);

    final Number maxTreshold = (Number) Double.parseDouble(attributes.get(8));
    chart.getYAxis().setMin(0);//  w w  w .  j  a va  2  s. co m
    chart.getYAxis().setMax(maxTreshold);
    chart.getYAxis().setLineColor("gray");

    chart.setBackgroundColor(new Color().setLinearGradient(0.0, 0.0, 1.0, 1.0).addColorStop(0, 0, 0, 0, 1)
            .addColorStop(0, 0, 0, 0, 0));

    chart.getYAxis().setTickPosition(Axis.TickPosition.INSIDE).setMinorTickPosition(Axis.TickPosition.INSIDE)
            .setLineColor("white").setTickColor("white").setMinorTickColor("white").setLineWidth(2)
            .setEndOnTick(true).setLabels(new YAxisLabels()
                    // There is no documented "distance" option for gauge chart axes
                    .setOption("distance", -20));

    final Series series = chart.createSeries();
    chart.addSeries(series.setName("Reading").addPoint(0));
    final Timer tempTimer = new Timer() {
        @Override
        public void run() {
            if (MainMenuPage.mainPanel.isVisible())
                Utility.newRequestObj().getLatestReading(name, new AsyncCallback<Double>() {
                    public void onFailure(Throwable caught) {
                        //                    Window.alert("Unable to get "+Data.currentUser+"'s sensor subscription");
                    }

                    public void onSuccess(Double reply) {
                        if (lol.isVisible()) {
                            //                    double temp = Utility.round(new Random().nextDouble()*Double.parseDouble(attributes.get(8)));
                            double temp = Utility.round(reply);
                            series.getPoints()[0].update(temp);
                            chart.setColors(updateColor(temp, maxTreshold));
                            lol.add(chart);
                        } else {
                            cancel();
                        }
                    }
                });
        }
    };

    tempTimer.scheduleRepeating(2000);
    Data.gaugeTimers.add(tempTimer);

    chart.setSize(Window.getClientWidth() * 1 / size, Window.getClientHeight() * 1 / size);
    if (size > 4) {
        chart.setSize(Window.getClientWidth() * 1 / 4, Window.getClientHeight() * 1 / 4);
    }
    lol.add(chart);
    return lol;
}

From source file:com.google.gwt.sample.stockwatcher.client.ChartUtilities.java

private static void doFadeOut(HorizontalPanel panel) {
    final Element element = panel.getElement();
    final double opacity = Double.parseDouble(element.getStyle().getOpacity());
    final Timer tempTimer = new Timer() {
        @Override/*  ww w  .  ja  v  a  2s. co m*/
        public void run() {
            if (opacity == 0) {
                cancel();
            }
            element.getStyle().setOpacity(opacity - 0.1);
        }
    };
    tempTimer.scheduleRepeating(10);
}

From source file:com.google.gwt.sample.stockwatcher.client.ChartUtilities.java

private static void doFadeIn(HorizontalPanel panel) {
    final Element element = panel.getElement();
    final double opacity = Double.parseDouble(element.getStyle().getOpacity());
    final Timer tempTimer = new Timer() {
        @Override//from  w  w  w  .  j a  va2 s .co  m
        public void run() {
            if (opacity == 1) {
                cancel();
            }
            element.getStyle().setOpacity(opacity + 0.1);
        }
    };
    tempTimer.scheduleRepeating(10);
}