Example usage for com.google.gwt.user.client Window alert

Introduction

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

Prototype

public static void alert(String msg) 

Source Link

Usage

From source file:com.google.gwt.gears.sample.database.client.DatabaseDemo.java

License:Apache License

/**
 * Fill the labels with the phrases from the database.
 *///from   w  w  w . ja va2  s . com
private void displayRecentPhrases() {
    try {
        ResultSet rs = db.execute("SELECT * FROM Phrases ORDER BY Id DESC");
        int i;

        for (i = 1; rs.isValidRow(); ++i, rs.next()) {
            if (i <= NUM_SAVED_ROWS) {
                dataTable.setText(i, 0, rs.getFieldAsString(0));
                dataTable.setText(i, 1, rs.getFieldAsString(1));
                dataTable.setText(i, 2, new Date(rs.getFieldAsLong(2)).toString());
            } else {
                db.execute("DELETE FROM Phrases WHERE Id = ?", new String[] { rs.getFieldAsString(0) });
            }
        }
        // If a phrase has been removed, clear the label.
        for (; i <= NUM_SAVED_ROWS; i++) {
            for (int j = 0; j < NUM_DATA_TABLE_COLUMNS; j++) {
                dataTable.clearCell(i, j);
            }
        }
        rs.close();
    } catch (DatabaseException e) {
        Window.alert(e.toString());
    }
}

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From source file:com.google.gwt.gears.sample.database.client.DatabaseDemo.java

License:Apache License

/**
 * Add a new phrase to the database./*from   w w  w  .j av a  2 s  . co  m*/
 */
private void insertPhrase() {
    try {
        String phrase = input.getText();
        if (phrase.length() > 0) {
            db.execute("INSERT INTO Phrases (Phrase, Timestamp) VALUES (?, ?)",
                    new String[] { phrase, Long.toString(System.currentTimeMillis()) });
            displayRecentPhrases();
            input.setText("");
        }
    } catch (DatabaseException e) {
        Window.alert(e.toString());
    }
}

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

License:Apache License

/**
 * Creates a new widget. This class needs access to certain fields and methods
 * on the application enclosing it./* w  w w  .  j  a  va  2  s  .c  o m*/
 * 
 * @param parent the host application
 */
public RichTextWidget(final GWTNote parent) {
    super();

    VerticalPanel top = new VerticalPanel();
    top.setWidth("100%");
    HorizontalPanel header = new HorizontalPanel();
    top.add(header);
    header.setWidth("100%");

    header.add(new Label("GWT GearsNote"));

    header.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_RIGHT);
    status = new Label("Ready");
    header.add(status);

    this.bodyWidget = new RichTextArea();
    bodyWidget.addKeyboardListener(new KeyboardListenerAdapter() {
        @Override
        public void onKeyPress(Widget sender, char keyCode, int modifiers) {
            String newText = bodyWidget.getText();
            if (((newText == null) && (curText != null)) || ((newText != null) && !newText.equals(curText))) {
                curText = newText;
            }
        }
    });

    HorizontalPanel controls = new HorizontalPanel();
    RichTextToolbar tb = new RichTextToolbar(this.bodyWidget);
    name = new TextBox();
    name.setText("default");
    name.setEnabled(false);
    nameEdit = new PushButton("Edit");
    nameEdit.addClickListener(new ClickListener() {
        public void onClick(Widget sender) {
            String curName = name.getText();
            boolean doNotify = !oldName.equals(curName);
            if (!nameEditable) { // if becoming editable, store off current value
                oldName = curName;
            }
            if (nameEditable && (curName == null || "".equals(curName))) {
                // if becoming un-editable, check to make sure it's valid
                Window.alert("The note name cannot be blank. Please try again.");
                nameEdit.setText(oldName);
                return;
            }
            // if all else is good, just flip the state
            nameEditable = !nameEditable;
            name.setEnabled(nameEditable);
            nameEdit.getUpFace().setText((nameEditable ? "Confirm" : "Edit"));
            if (doNotify) {
                notifyNameListeners();
            }
        }
    });
    nameEdit.addStyleName("edit-button");

    options = new ListBox();
    controls.add(tb);
    options.addItem("default");
    options.setSelectedIndex(0);
    options.addChangeListener(new ChangeListener() {
        public void onChange(Widget sender) {
            String newName = options.getItemText(options.getSelectedIndex());
            name.setText(newName);
            notifyNameListeners();
        }
    });
    HorizontalPanel tmp = new HorizontalPanel();
    tmp.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_RIGHT);
    tmp.add(new Label("Note name:"));
    tmp.add(name);
    tmp.add(nameEdit);
    tmp.add(options);
    controls.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_RIGHT);
    controls.setWidth("100%");
    controls.add(tmp);
    top.add(controls);

    top.add(bodyWidget);
    this.bodyWidget.setWidth("100%");
    top.setCellHeight(bodyWidget, ((int) (Window.getClientHeight() * .75)) + "px");
    this.bodyWidget.setHeight("100%");

    initWidget(top);
}

---

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

License:Apache License

private void createManagedResourceStore() {
    try {/*from  ww  w . ja va2  s .  c  om*/
        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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From source file:com.google.gwt.gen2.demo.collapsiblepanel.client.CollapsiblePanelDemo.java

License:Apache License

/**
 * This is the entry point method.// w  ww  .j a  v  a2 s . c o m
 */
public void onModuleLoad() {
    try {

        // Some random contents to make the tree interesting.
        Panel contents = createSchoolNavBar();
        FastTree.injectDefaultCss();
        CollapsiblePanel.injectDefaultCss();

        // The panel.
        final CollapsiblePanel panel = new CollapsiblePanel();
        panel.addCollapsedStateHandler(new CollapsedStateHandler() {
            public void onCollapsedState(CollapsedStateEvent e) {
                Window.alert("panel collapsed");
            }
        });

        panel.addExpandedStateHandler(new ExpandedStateHandler() {
            public void onExpandedState(ExpandedStateEvent e) {
                Window.alert("panel expanded");
            }
        });

        String value = Location.getParameter("collapsed");
        if (value != null) {
            value = value.trim();
            if (value.equals("true")) {
                panel.setCollapsedState(true);
            } else if (value.equals("false")) {
                // do nothing, default.
            } else {
                Window.alert("collapsed should not be given " + value + " use true or false instead");
            }
        }
        RootPanel.get("collapsible-panel").add(panel);
        panel.add(contents);
        panel.setHeight(Window.getClientHeight() - 1 + "px");
        panel.hookupControlToggle(controlButton);
    } catch (RuntimeException e) {
        if (GWT.isScript()) {
            Log.severe(e.getMessage());
        }
        throw e;
    }
}

---

From source file:com.google.gwt.gen2.demo.fasttree.client.FastTreeDemo.java

License:Apache License

protected Widget basicTree() {
    FastTree t = new FastTree();
    FastTreeItem a = t.addItem("A root tree item");
    a.addItem("A child with different style");
    a.addItem("regular style");
    FastTreeItem aXb = a.addItem("Another child");
    aXb.addItem("a grand child");
    FastTreeItem widgetBranch = a.addItem(new CheckBox("A checkbox child"));
    FastTreeItem textBoxParent = widgetBranch.addItem("A TextBox parent");
    textBoxParent.addItem(new TextBox());
    textBoxParent.addItem("and another one...");
    textBoxParent.addItem(new TextArea());

    // Add an item with basic elements inside of it
    {/*w ww  .  jav  a 2 s. c  o m*/
        final TextBox textBox = new TextBox();
        Hyperlink link = new Hyperlink("change focus", "blah");
        link.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                textBox.setFocus(true);
                event.getNativeEvent().stopPropagation();
            }
        });
        VerticalPanel vPanel = new VerticalPanel();
        vPanel.add(link);
        vPanel.add(textBox);
        a.addItem(vPanel);
    }

    // Add a large item
    FastTreeItem hugeParent = a.addItem("I contain a huge item");
    SimplePanel hugePanel = new SimplePanel();
    hugePanel.setPixelSize(1000, 1000);
    hugePanel.getElement().getStyle().setProperty("border", "2px solid blue");
    hugePanel.getElement().getStyle().setPropertyPx("padding", 50);
    Label clickableLabel = new Label("Click Me");
    clickableLabel.setWidth("70px");
    clickableLabel.getElement().getStyle().setProperty("border", "1px solid blue");
    clickableLabel.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            Window.alert("You clicked the label");
        }
    });
    hugePanel.setWidget(clickableLabel);
    hugeParent.addItem(hugePanel);

    ListBox lb = new ListBox();
    for (int i = 0; i < 100; i++) {
        lb.addItem(i + "");
    }
    widgetBranch.addItem("A ListBox parent").addItem(lb);
    return t;
}

---

From source file:com.google.gwt.gen2.demo.fasttree.client.FastTreeDemo.java

License:Apache License

protected Widget verboseTree() {
    FastTree tree = new FastTree();
    verboseTreeItem(tree, 10);//from  ww w. j a  va  2 s  .co m
    tree.addOpenHandler(new OpenHandler<FastTreeItem>() {

        public void onOpen(OpenEvent<FastTreeItem> event) {
            Window.alert("Opened " + event.getTarget().getHTML());
        }
    });
    tree.addCloseHandler(new CloseHandler<FastTreeItem>() {

        public void onClose(CloseEvent<FastTreeItem> event) {
            Window.alert("Close " + event.getTarget().getHTML());
        }
    });
    tree.addSelectionHandler(new SelectionHandler<FastTreeItem>() {

        public void onSelection(SelectionEvent<FastTreeItem> event) {
            Window.alert("You selected " + event.getSelectedItem().getHTML());
        }
    });
    tree.addBeforeOpenHandler(new BeforeOpenHandler<FastTreeItem>() {

        public void onBeforeOpen(BeforeOpenEvent<FastTreeItem> event) {
            if (Window.confirm("Would you like to change the name of the item before opening it?")) {
                event.getTarget().setHTML("Name changed before open.");
            }
        }
    });
    tree.addBeforeCloseHandler(new BeforeCloseHandler<FastTreeItem>() {

        public void onBeforeClose(BeforeCloseEvent<FastTreeItem> event) {
            if (Window.confirm("Would you like to change the name of the item before closing it?")) {
                event.getTarget().setHTML("Name changed before close.");
            }
        }
    });
    return tree;
}

---

From source file:com.google.gwt.gen2.demo.fasttree.client.FastTreeDemo.java

License:Apache License

private Widget dynamicTree() {
    FlowPanel container = new FlowPanel();

    // Add Tree/*  ww w .  j  a v a2  s  .  c  o  m*/
    final FastTree topTree = new FastTree();
    FastTreeItem firstBranch = topTree.addItem("Inbox (3)");
    firstBranch.addItem("Urgent");
    FastTreeItem familyBranch = firstBranch.addItem("Family");
    familyBranch.becomeInteriorNode();
    familyBranch.addItem("Mom");
    familyBranch.addItem("Brosef");
    FastTreeItem secondBranch = firstBranch.addItem("Calendar");
    secondBranch.addItem("Important Meetings");
    container.add(topTree);

    final Button btnAdd = new Button("Add to Family Branch", new ClickHandler() {

        public void onClick(ClickEvent event) {
            FastTreeItem selectedItem = topTree.getChild(0).getChild(1);
            Window.alert("Adding new " + selectedItem.getText() + " Child Nodes");
            selectedItem.addItem("Dad");
            selectedItem.addItem("Sissef");
        }
    });

    final Button btnKill = new Button("Disown Family Branch", new ClickHandler() {

        public void onClick(ClickEvent event) {
            FastTreeItem selectedItem = topTree.getChild(0).getChild(1);
            Window.alert("Disowning " + selectedItem.getText() + " Child Nodes");
            selectedItem.becomeLeaf();
            btnAdd.setVisible(true);
        }
    });

    topTree.addBeforeCloseHandler(new BeforeCloseHandler<FastTreeItem>() {
        public void onBeforeClose(BeforeCloseEvent<FastTreeItem> event) {
            btnKill.setVisible(event.getTarget().getText().equals("Family"));
        }
    });
    btnKill.setVisible(false);
    btnAdd.setVisible(false);

    container.add(btnKill);
    container.add(btnAdd);

    return container;
}

---

From source file:com.google.gwt.gen2.demo.logging.client.LoggingDemo.java

License:Apache License

/**
 * This is the entry point method.//  w w  w  .  j ava  2 s.  c  o  m
 */
public void onModuleLoad() {
    if (Log.isLoggingSupported() && !Log.isLoggingMinimal()) {
        Gen2CssInjector.addLogHandlerDefault();
        Log.setDefaultLevel(Level.ALL);

        final FlexTable control = new FlexTable();
        RootPanel.get().add(control);
        addLevelControls(control);
        addHandlers(control);
    } else {
        Window.alert("Now that you have logging turned off or to minimal, now check your compiled output.");
        Log.warning("Should be compiled out when logging is turned off or in minimal mode");
        Log.severe("Should be compiled out when logging is turned off, but present in minimal mode");
    }
}

---

From source file:com.google.gwt.gen2.demo.scrolltable.client.option.column.CellPaddingAndSpacingOption.java

License:Apache License

@Override
protected Widget onInitialize() {
    CustomForm form = new CustomForm();

    // Padding selection
    final TextBox paddingBox = new TextBox();
    paddingBox.setText("3");
    paddingBox.setWidth("50px");
    form.addLabeledWidget("Cell Padding:", paddingBox);

    // Spacing selection
    final TextBox spacingBox = new TextBox();
    spacingBox.setText("3");
    spacingBox.setWidth("50px");
    form.addLabeledWidget("Cell Spacing:", spacingBox);

    // Add button to set padding and spacing
    {/*from  w  ww .  j  av a2s . c  om*/
        Button button = new Button("Set Padding and Spacing", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int padding = Integer.parseInt(paddingBox.getText());
                    int spacing = Integer.parseInt(spacingBox.getText());
                    ScrollTableDemo.get().getScrollTable().setCellPadding(padding);
                    ScrollTableDemo.get().getScrollTable().setCellSpacing(spacing);
                } catch (NumberFormatException e) {
                    Window.alert("Please enter valid integers for the row and column.");
                } catch (IndexOutOfBoundsException e) {
                    Window.alert("The row or column index you entered is out of bounds.");
                }
            }
        });
        form.addButton(button);
    }

    return form;
}

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