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

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.gerrit.client.diff.UnifiedCommentGroup.java

License:Apache License

@Override
void handleRedraw() {
    getLineWidget().onRedraw(() -> {/*from   w  w w .ja  v a 2  s.  co m*/
        if (canComputeHeight()) {
            if (getResizeTimer() != null) {
                getResizeTimer().cancel();
                setResizeTimer(null);
            }
            reportHeightChange();
        } else if (getResizeTimer() == null) {
            setResizeTimer(new Timer() {
                @Override
                public void run() {
                    if (canComputeHeight()) {
                        cancel();
                        setResizeTimer(null);
                        reportHeightChange();
                    }
                }
            });
            getResizeTimer().scheduleRepeating(5);
        }
    });
}

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From source file:com.google.gerrit.client.patches.CommentEditorPanel.java

License:Apache License

public CommentEditorPanel(final PatchLineComment plc, final CommentLinkProcessor commentLinkProcessor) {
    super(commentLinkProcessor);
    comment = plc;//from  w ww  .  j ava 2s  . c  o m

    addStyleName(Gerrit.RESOURCES.css().commentEditorPanel());
    setAuthorNameText(Gerrit.getUserAccountInfo(), PatchUtil.C.draft());
    setMessageText(plc.getMessage());
    addDoubleClickHandler(this);

    expandTimer = new Timer() {
        @Override
        public void run() {
            expandText();
        }
    };
    text = new NpTextArea();
    text.setText(comment.getMessage());
    text.setCharacterWidth(INITIAL_COLS);
    text.setVisibleLines(INITIAL_LINES);
    text.setSpellCheck(true);
    text.addKeyDownHandler(new KeyDownHandler() {
        @Override
        public void onKeyDown(final KeyDownEvent event) {
            if ((event.isControlKeyDown() || event.isMetaKeyDown()) && !event.isAltKeyDown()
                    && !event.isShiftKeyDown()) {
                switch (event.getNativeKeyCode()) {
                case 's':
                case 'S':
                    event.preventDefault();
                    onSave(NULL_CALLBACK);
                    return;
                }
            }

            expandTimer.schedule(250);
        }
    });
    addContent(text);

    edit = new Button();
    edit.setText(PatchUtil.C.buttonEdit());
    edit.addClickHandler(this);
    addButton(edit);

    save = new Button();
    save.setText(PatchUtil.C.buttonSave());
    save.addClickHandler(this);
    addButton(save);

    cancel = new Button();
    cancel.setText(PatchUtil.C.buttonCancel());
    cancel.addClickHandler(this);
    addButton(cancel);

    discard = new Button();
    discard.setText(PatchUtil.C.buttonDiscard());
    discard.addClickHandler(this);
    addButton(discard);

    setOpen(true);
    if (isNew()) {
        edit();
    } else {
        render();
    }
}

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From source file:com.google.gerrit.client.ui.RemoteSuggestOracle.java

License:Apache License

@Override
public void requestSuggestions(Request req, Callback cb) {
    if (!serveSuggestions) {
        return;/*ww w.  j a v  a  2  s. c o  m*/
    }

    // Use a timer for key stroke retention, such that we don't query the
    // backend for each and every keystroke we receive.
    if (requestRetentionTimer != null) {
        requestRetentionTimer.cancel();
    }
    requestRetentionTimer = new Timer() {
        @Override
        public void run() {
            Query q = new Query(req, cb);
            if (query == null) {
                query = q;
                q.start();
            } else {
                query = q;
            }
        }
    };
    requestRetentionTimer.schedule(200);
}

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From source file:com.google.gwt.demos.gwtcanvas.client.LogoDemo.java

License:Apache License

public void drawDemo() {
    // The following is the same as doing
    // canvas.resize(width,height);
    canvas.setCoordSize(width, height);/* w w  w  .  ja v a2 s.  c  om*/
    canvas.setPixelHeight(height);
    canvas.setPixelWidth(width);

    String[] imageUrls = new String[] { "logo-185x175.png" };

    timer = new Timer() {

        @Override
        public void run() {
            renderingLoop();
        }

    };

    if (img == null) {
        // The first time this demo gets run we need to load our images.
        // Maintain a reference to the image we load so we can use it
        // the next time the demo is selected
        ImageLoader.loadImages(imageUrls, new ImageLoader.CallBack() {
            public void onImagesLoaded(ImageElement[] imageHandles) {
                // Drawing code involving images goes here
                img = imageHandles[0];
                timer.schedule(10);
            }
        });

    } else {
        // Go ahead and animate
        if (isImageLoaded(img)) {
            timer.schedule(10);
        } else {
            Window.alert("Refresh the page to reload the image.");
        }
    }
}

---

From source file:com.google.gwt.demos.gwtcanvas.client.ParticleDemo.java

License:Apache License

public void drawDemo() {
    canvas.resize(width, height);/*from   w w  w  .  ja  v  a 2  s  .co  m*/

    particles = new Particle[numParticles];

    for (int i = 0; i < particles.length; i++) {
        particles[i] = new Particle();
    }
    canvas.saveContext();
    canvas.setLineWidth(2);
    canvas.setStrokeStyle(new Color(255, 0, 0));

    t = new Timer() {
        public void run() {
            renderingLoop();
        }
    };
    t.schedule(10);
}

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From source file:com.google.gwt.example.stockwatcher.client.StockWatcher.java

/**
 * Entry point method.//w  w  w .  j a  va2 s.co  m
 */
public void onModuleLoad() {

    // 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");

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

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

    // Associate the Main panel with the HTML host page.

    RootPanel.get("stockList").add(mainPanel);

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

    // Setup 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() {
        @Override
        public void onClick(ClickEvent clickEvent) {
            addStock();
        }
    });

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

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From source file:com.google.gwt.examples.TimerExample.java

License:Apache License

public void onClick(ClickEvent event) {
    // Create a new timer that calls Window.alert().
    Timer t = new Timer() {
        @Override//from  w  w w  . j a v a  2  s  .  co m
        public void run() {
            Window.alert("Nifty, eh?");
        }
    };

    // Schedule the timer to run once in 5 seconds.
    t.schedule(5000);
}

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From source file:com.google.gwt.gears.sample.gwtnote.client.AppController.java

License:Apache License

/**
 * Kicks off the main processing loop. That loop is a timer that fires every
 * 10 milliseconds, forever. It calls {@link #update()} which implements the
 * sync logic, and may or may not actually do anything for a give timer tick.
 * (For instance, it may be stalled waiting on an asynchronous RPC call to
 * return.)// w  w  w  .j  av  a  2 s. com
 */
public void startMainLoop() {
    init();

    Timer t = new Timer() {
        @Override
        public void run() {
            if (!ready) {
                return;
            }
            update();
        }
    };
    t.scheduleRepeating(10);
}

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From source file:com.google.gwt.gears.sample.gwtnote.client.local.GearsHelper.java

License:Apache License

/**
 * Creates a new GearsHelper.//from  www . j  a v  a  2  s  .  c  o m
 */
public GearsHelper() {
    try {
        db = Factory.getInstance().createDatabase();
        try {
            db.execute(DB_FETCH_NAMES);
        } catch (GearsException ex) {
            db.execute(DB_CREATE);
        }

        // initialize the localstore and have it update the manifest
        localServer = Factory.getInstance().createLocalServer();
        store = localServer.createManagedStore("GWTGearsNote");
        store.setManifestUrl(GWT.getModuleBaseURL() + "manifest");
        store.checkForUpdate();
        Timer t = new Timer() {
            @Override
            public void run() {
                int status = store.getUpdateStatus();
                if (status == ManagedResourceStore.UPDATE_OK) {
                    this.cancel();
                } else if (status == ManagedResourceStore.UPDATE_FAILED) {
                    this.cancel();
                }
            }
        };
        t.scheduleRepeating(100);
    } catch (Throwable t) { // not just GearsException b/c we can also have NPEs
        localServer = null;
        store = null;
        db = null;
    }
}

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From source file:com.google.gwt.gears.sample.managedresourcestore.client.ManagedResourceStoreDemo.java

License:Apache License

private void createManagedResourceStore() {
    try {//from  ww w . jav  a 2 s  . c o  m
        final ManagedResourceStore managedResourceStore = Offline.getManagedResourceStore();

        new Timer() {
            final String oldVersion = managedResourceStore.getCurrentVersion();

            @Override
            public void run() {
                switch (managedResourceStore.getUpdateStatus()) {
                case ManagedResourceStore.UPDATE_OK:
                    if (managedResourceStore.getCurrentVersion().equals(oldVersion)) {
                        statusLabel.setText("No update was available.");
                    } else {
                        statusLabel.setText("Update to " + managedResourceStore.getCurrentVersion()
                                + " was completed.  Please refresh the page to see the changes.");
                        createManagedResourceStoreButton.setEnabled(false);
                    }
                    break;
                case ManagedResourceStore.UPDATE_CHECKING:
                case ManagedResourceStore.UPDATE_DOWNLOADING:
                    statusLabel.setText("Transferring data");
                    schedule(500);
                    break;
                case ManagedResourceStore.UPDATE_FAILED:
                    statusLabel.setText(managedResourceStore.getLastErrorMessage());
                    break;
                }
            }
        }.schedule(500);

    } catch (GearsException e) {
        statusLabel.setText("");
        Window.alert(e.getMessage());
    }
}

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