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

List of usage examples for com.google.gwt.user.client Window alert

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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.example.stockwatcher.client.StockWatcher.java

/**
 * Add stock to FlexTable. Executed when the user clicks the addStockButton
 * or presses enter in the newSymbolTextBox.
 *//*from w ww  .  jav a 2  s .  co m*/
private void addStock() {
    final String symbol = newSymbolTextBox.getText().toUpperCase().trim();
    newSymbolTextBox.setFocus(true);

    if (!symbol.matches("^[0-9A-Z\\.]{1,10}$")) {
        Window.alert("'" + symbol + "' is not a valid symbol.");
        newSymbolTextBox.selectAll();
        return;
    }

    newSymbolTextBox.setText("");

    if (stocks.contains(symbol))
        return;

    // Add the stock to the table
    int row = stocksFlexTable.getRowCount();
    stocks.add(symbol);
    stocksFlexTable.setText(row, 0, symbol);
    stocksFlexTable.setWidget(row, 2, new Label());
    stocksFlexTable.getCellFormatter().addStyleName(row, 1, "watchListNumericColumn");
    stocksFlexTable.getCellFormatter().addStyleName(row, 2, "watchListNumericColumn");
    stocksFlexTable.getCellFormatter().addStyleName(row, 3, "watchListRemoveColumn");

    // Add a button to remove this stock from the table.
    Button removeStockButton = new Button("x");
    removeStockButton.addStyleDependentName("remove");

    removeStockButton.addClickHandler(new ClickHandler() {
        @Override
        public void onClick(ClickEvent clickEvent) {
            int removedIndex = stocks.indexOf(symbol);
            stocks.remove(removedIndex);
            stocksFlexTable.removeRow(removedIndex + 1);
        }
    });
    stocksFlexTable.setWidget(row, 3, removeStockButton);

    // Get the stock price
    refreshWatchList();
}

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

License:Apache License

public void onModuleLoad() {
    // Make a new button that does something when you click it.
    Button b = new Button("Jump!", new ClickHandler() {
        public void onClick(ClickEvent event) {
            Window.alert("How high?");
        }/*  ww w  .  ja v  a 2 s.c om*/
    });

    // Add it to the root panel.
    RootPanel.get().add(b);
}

From source file:com.google.gwt.examples.cell.EditableCellExample.java

License:Apache License

/**
 * Show the list of favorites.//from   ww w .  j  a va  2  s.  c o  m
 */
private void showCurrentFavorites() {
    if (favorites.size() > 0) {
        String text = "You favorite contacts are ";
        boolean first = true;
        for (Contact contact : favorites) {
            if (!first) {
                text += ", ";
            } else {
                first = false;
            }
            text += contact.name;
        }
        Window.alert(text);
    } else {
        Window.alert("You have not selected any favorites.");
    }
}

From source file:com.google.gwt.examples.cellview.CellListExample.java

License:Apache License

public void onModuleLoad() {
    // Create a cell to render each value.
    TextCell textCell = new TextCell();

    // Create a CellList that uses the cell.
    CellList<String> cellList = new CellList<String>(textCell);
    cellList.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);

    // Add a selection model to handle user selection.
    final SingleSelectionModel<String> selectionModel = new SingleSelectionModel<String>();
    cellList.setSelectionModel(selectionModel);
    selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
        public void onSelectionChange(SelectionChangeEvent event) {
            String selected = selectionModel.getSelectedObject();
            if (selected != null) {
                Window.alert("You selected: " + selected);
            }//from w  w w  .  ja  va  2 s .  c  o  m
        }
    });

    // Set the total row count. This isn't strictly necessary, but it affects
    // paging calculations, so its good habit to keep the row count up to date.
    cellList.setRowCount(DAYS.size(), true);

    // Push the data into the widget.
    cellList.setRowData(0, DAYS);

    // Add it to the root panel.
    RootPanel.get().add(cellList);
}

From source file:com.google.gwt.examples.cellview.CellListValueUpdaterExample.java

License:Apache License

public void onModuleLoad() {
    // Create a cell that will interact with a value updater.
    TextInputCell inputCell = new TextInputCell();

    // Create a CellList that uses the cell.
    CellList<String> cellList = new CellList<String>(inputCell);

    // Create a value updater that will be called when the value in a cell
    // changes.//www .ja  v a2  s  .com
    ValueUpdater<String> valueUpdater = new ValueUpdater<String>() {
        public void update(String newValue) {
            Window.alert("You typed: " + newValue);
        }
    };

    // Add the value updater to the cellList.
    cellList.setValueUpdater(valueUpdater);

    // Set the total row count. This isn't strictly necessary, but it affects
    // paging calculations, so its good habit to keep the row count up to date.
    cellList.setRowCount(DAYS.size(), true);

    // Push the data into the widget.
    cellList.setRowData(0, DAYS);

    // Add it to the root panel.
    RootPanel.get().add(cellList);
}

From source file:com.google.gwt.examples.cellview.CellTableExample.java

License:Apache License

public void onModuleLoad() {
    // Create a CellTable.
    CellTable<Contact> table = new CellTable<Contact>();
    table.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);

    // Add a text column to show the name.
    TextColumn<Contact> nameColumn = new TextColumn<Contact>() {
        @Override/*from   w  w  w.j a v a  2s  . c o m*/
        public String getValue(Contact object) {
            return object.name;
        }
    };
    table.addColumn(nameColumn, "Name");

    // Add a date column to show the birthday.
    DateCell dateCell = new DateCell();
    Column<Contact, Date> dateColumn = new Column<Contact, Date>(dateCell) {
        @Override
        public Date getValue(Contact object) {
            return object.birthday;
        }
    };
    table.addColumn(dateColumn, "Birthday");

    // Add a text column to show the address.
    TextColumn<Contact> addressColumn = new TextColumn<Contact>() {
        @Override
        public String getValue(Contact object) {
            return object.address;
        }
    };
    table.addColumn(addressColumn, "Address");

    // Add a selection model to handle user selection.
    final SingleSelectionModel<Contact> selectionModel = new SingleSelectionModel<Contact>();
    table.setSelectionModel(selectionModel);
    selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
        public void onSelectionChange(SelectionChangeEvent event) {
            Contact selected = selectionModel.getSelectedObject();
            if (selected != null) {
                Window.alert("You selected: " + selected.name);
            }
        }
    });

    // Set the total row count. This isn't strictly necessary, but it affects
    // paging calculations, so its good habit to keep the row count up to date.
    table.setRowCount(CONTACTS.size(), true);

    // Push the data into the widget.
    table.setRowData(0, CONTACTS);

    // Add it to the root panel.
    RootPanel.get().add(table);
}

From source file:com.google.gwt.examples.cellview.CellTableFieldUpdaterExample.java

License:Apache License

@Override
public void onModuleLoad() {
    // Create a CellTable with a key provider.
    final CellTable<Contact> table = new CellTable<Contact>(KEY_PROVIDER);

    // Add a text input column to edit the name.
    final TextInputCell nameCell = new TextInputCell();
    Column<Contact, String> nameColumn = new Column<Contact, String>(nameCell) {
        @Override/*from w ww  .  j a v  a  2 s  .  c o m*/
        public String getValue(Contact object) {
            // Return the name as the value of this column.
            return object.name;
        }
    };
    table.addColumn(nameColumn, "Name");

    // Add a field updater to be notified when the user enters a new name.
    nameColumn.setFieldUpdater(new FieldUpdater<Contact, String>() {
        @Override
        public void update(int index, Contact object, String value) {
            // Inform the user of the change.
            Window.alert("You changed the name of " + object.name + " to " + value);

            // Push the changes into the Contact. At this point, you could send an
            // asynchronous request to the server to update the database.
            object.name = value;

            // Redraw the table with the new data.
            table.redraw();
        }
    });

    // Push the data into the widget.
    table.setRowData(CONTACTS);

    // Add it to the root panel.
    RootPanel.get().add(table);
}

From source file:com.google.gwt.examples.cellview.CellTableFieldUpdaterExampleComplex.java

License:Apache License

@Override
public void onModuleLoad() {
    // Create a CellTable with a key provider.
    final CellTable<Contact> table = new CellTable<Contact>(KEY_PROVIDER);
    table.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);

    // Add a text input column to edit the name.
    final TextInputCell nameCell = new TextInputCell();
    Column<Contact, String> nameColumn = new Column<Contact, String>(nameCell) {
        @Override// w  w  w.j  a  v a  2s. c o m
        public String getValue(Contact object) {
            return object.name;
        }
    };
    table.addColumn(nameColumn, "Name");

    // Add a field updater to be notified when the user enters a new name.
    nameColumn.setFieldUpdater(new FieldUpdater<Contact, String>() {
        @Override
        public void update(int index, Contact object, String value) {
            // Validate the data.
            if (value.length() < 3) {
                Window.alert("Names must be at least three characters long.");

                /*
                 * Clear the view data. The view data contains the pending change and
                 * allows the table to render with the pending value until the data is
                 * committed. If the data is committed into the object, the view data
                 * is automatically cleared out. If the data is not committed because
                 * it is invalid, you must delete.
                 */
                nameCell.clearViewData(KEY_PROVIDER.getKey(object));

                // Redraw the table.
                table.redraw();
                return;
            }

            // Inform the user of the change.
            Window.alert("You changed the name of " + object.name + " to " + value);

            // Push the changes into the Contact. At this point, you could send an
            // asynchronous request to the server to update the database.
            object.name = value;

            // Redraw the table with the new data.
            table.redraw();
        }
    });

    // Add a date column to show the birthday.
    Column<Contact, Date> dateColumn = new Column<Contact, Date>(new DatePickerCell()) {
        @Override
        public Date getValue(Contact object) {
            return object.birthday;
        }
    };
    table.addColumn(dateColumn, "Birthday");

    // Add a field updater to be notified when the user enters a new birthday.
    dateColumn.setFieldUpdater(new FieldUpdater<Contact, Date>() {
        @Override
        public void update(int index, Contact object, Date value) {
            Window.alert("You changed the birthday of " + object.name + " to "
                    + DateTimeFormat.getFormat(PredefinedFormat.DATE_LONG).format(value));

            // Push the changes into the Contact.
            object.birthday = value;

            // Redraw the table with the new data.
            table.redraw();
        }
    });
    // Add a text column to show the address.
    TextColumn<Contact> addressColumn = new TextColumn<Contact>() {
        @Override
        public String getValue(Contact object) {
            return object.address;
        }
    };
    table.addColumn(addressColumn, "Address");

    // Set the total row count. This isn't strictly necessary, but it affects
    // paging calculations, so its good habit to keep the row count up to date.
    table.setRowCount(CONTACTS.size(), true);

    // Push the data into the widget.
    table.setRowData(0, CONTACTS);

    // Add it to the root panel.
    RootPanel.get().add(table);
}

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

License:Apache License

public void onModuleLoad() {
    // Make a new check box, and select it by default.
    CheckBox cb = new CheckBox("Foo");
    cb.setChecked(true);/*from w  ww.j av  a  2s.  c  om*/

    // Hook up a handler to find out when it's clicked.
    cb.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            boolean checked = ((CheckBox) event.getSource()).isChecked();
            Window.alert("It is " + (checked ? "" : "not ") + "checked");
        }
    });

    // Add it to the root panel.
    RootPanel.get().add(cb);
}

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

License:Apache License

public void onModuleLoad() {
    // Create a FormPanel and point it at a service.
    final FormPanel form = new FormPanel();
    form.setAction("/myFormHandler");

    // Because we're going to add a FileUpload widget, we'll need to set the
    // form to use the POST method, and multipart MIME encoding.
    form.setEncoding(FormPanel.ENCODING_MULTIPART);
    form.setMethod(FormPanel.METHOD_POST);

    // Create a panel to hold all of the form widgets.
    VerticalPanel panel = new VerticalPanel();
    form.setWidget(panel);//from ww  w  . j  ava  2 s  . c om

    // Create a TextBox, giving it a name so that it will be submitted.
    final TextBox tb = new TextBox();
    tb.setName("textBoxFormElement");
    panel.add(tb);

    // Create a ListBox, giving it a name and some values to be associated with
    // its options.
    ListBox lb = new ListBox();
    lb.setName("listBoxFormElement");
    lb.addItem("foo", "fooValue");
    lb.addItem("bar", "barValue");
    lb.addItem("baz", "bazValue");
    panel.add(lb);

    // Create a FileUpload widget.
    FileUpload upload = new FileUpload();
    upload.setName("uploadFormElement");
    panel.add(upload);

    // Add a 'submit' button.
    panel.add(new Button("Submit", new ClickHandler() {
        public void onClick(ClickEvent event) {
            form.submit();
        }
    }));

    // Add an event handler to the form.
    form.addSubmitHandler(new FormPanel.SubmitHandler() {
        public void onSubmit(SubmitEvent event) {
            // This event is fired just before the form is submitted. We can take
            // this opportunity to perform validation.
            if (tb.getText().length() == 0) {
                Window.alert("The text box must not be empty");
                event.cancel();
            }
        }
    });
    form.addSubmitCompleteHandler(new FormPanel.SubmitCompleteHandler() {
        public void onSubmitComplete(SubmitCompleteEvent event) {
            // When the form submission is successfully completed, this event is
            // fired. Assuming the service returned a response of type text/html,
            // we can get the result text here (see the FormPanel documentation for
            // further explanation).
            Window.alert(event.getResults());
        }
    });

    RootPanel.get().add(form);
}