Example usage for com.google.gwt.user.client.ui Button Button

List of usage examples for com.google.gwt.user.client.ui Button Button

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  6. Button

Introduction

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

Prototype

public Button(String html, ClickHandler handler)

Source Link

Document

Creates a button with the given HTML caption and click listener.

Usage

From source file:com.google.gwt.gen2.demo.datepicker.client.DatePickerDemo.java

License:Apache License

private Widget dateRange() {
    VerticalPanel v = new VerticalPanel();
    HorizontalPanel p = new HorizontalPanel();
    v.add(p);/*w  w  w . ja v  a 2s.co m*/
    start = new DateBox();
    start.setAnimationEnabled(true);
    final DateBox end = new DateBox();
    end.setAnimationEnabled(true);

    start.addKeyDownHandler(new KeyDownHandler() {
        public void onKeyDown(KeyDownEvent e) {
            if (e.isRightKeyCode() && start.getCursorPos() == start.getText().length()) {
                start.hideDatePicker();
                end.setFocus(true);
            }
        }
    });

    end.addKeyDownHandler(new KeyDownHandler() {
        public void onKeyDown(KeyDownEvent e) {
            if ((e.isLeftKeyCode()) && end.getCursorPos() == 0) {
                start.setFocus(true);
                end.hideDatePicker();
            }
        }
    });

    end.getDatePicker().addSelectionHandler(new SelectionHandler<Date>() {
        public void onSelection(SelectionEvent<Date> event) {
            start.removeStyleName("user-modified");
        }
    });

    start.showDate(new Date());

    p.add(start);
    Label l = new Label(" - ");
    l.setStyleName("filler");
    p.add(l);
    p.add(end);
    HorizontalPanel h2 = new HorizontalPanel();
    v.add(h2);
    h2.add(new Button("Short format", new ClickListener() {

        public void onClick(Widget sender) {
            start.setDateFormat(DateTimeFormat.getShortDateFormat());
            end.setDateFormat(DateTimeFormat.getShortDateFormat());
        }
    }));
    h2.add(new Button("Long format", new ClickListener() {

        public void onClick(Widget sender) {
            start.setDateFormat(DateTimeFormat.getLongDateFormat());
            end.setDateFormat(DateTimeFormat.getLongDateFormat());
        }
    }));

    h2.add(new Button("clear", new ClickListener() {
        public void onClick(Widget sender) {
            start.clear();
            end.clear();
        }
    }));
    return v;
}

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

License:Apache License

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

    // Add Tree//w w  w . j  a  va 2s  . co 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

private void addLevelControls(final FlexTable control) {
    final TextBox box = new TextBox();
    box.setText("message 0");
    VerticalPanel loggingMessage = new VerticalPanel();
    loggingMessage.add(new Label("Message to log"));
    loggingMessage.add(box);//w ww.  ja  v  a 2  s  . c  o m
    control.setWidget(0, 1, loggingMessage);
    Iterator<Level> levels = Log.levelIterator();
    final DropDownListBox<Level> levelList = new DropDownListBox<Level>();

    while (levels.hasNext()) {
        final Level level = levels.next();
        if (level != Level.ALL || level != Level.OFF) {
            levelList.addItem(level.getName(), level, "logging level " + level.getName().toLowerCase(),
                    "use <b> " + level.getName().toLowerCase() + "</b> level");
        }
    }
    control.setWidget(0, 2, levelList);
    levelList.setValue(Level.INFO);

    Button log = new Button("Log message", new ClickListener() {
        public void onClick(Widget sender) {

            Log.log(box.getText(), levelList.getValue(), "user", null);
            box.setText("message " + messageNumber++);
        }
    });

    control.setWidget(0, 3, log);

    Button error = new Button("Log error", new ClickListener() {
        public void onClick(Widget sender) {

            Log.log(box.getText(), levelList.getValue(), "user.error", new NullPointerException());
            box.setText("message " + messageNumber++);
        }
    });

    control.setWidget(0, 4, error);
}

From source file:com.google.gwt.gen2.demo.picker.client.SliderBarDemo.java

License:Apache License

/**
 * This is the entry point method./*from www. ja  v  a 2s . c  om*/
 */
public void onModuleLoad() {
    SliderBar.injectDefaultCss();
    // TextBox to display or set current value
    final TextBox curBox = new TextBox();

    // Setup the slider bars
    mainSliderBar.setStepSize(5.0);
    mainSliderBar.setCurrentValue(50.0);
    mainSliderBar.setNumTicks(10);
    mainSliderBar.setNumLabels(5);
    mainSliderBar.addValueChangeHandler(new ValueChangeHandler<Double>() {

        public void onValueChange(ValueChangeEvent<Double> event) {
            curBox.setText(event.getValue().toString());
        }
    });
    exampleBar1.setStepSize(0.1);
    exampleBar1.setCurrentValue(0.5);
    exampleBar1.setNumTicks(10);
    exampleBar1.setNumLabels(10);
    exampleBar2.setStepSize(1.0);
    exampleBar2.setCurrentValue(13.0);
    exampleBar2.setNumTicks(25);
    exampleBar2.setNumLabels(25);

    // Place everything in a nice looking grid
    Grid grid = new Grid(9, 3);
    grid.setBorderWidth(1);
    grid.setCellPadding(3);

    // The type of text to display
    final HTML defaultTextLabel = new HTML("custom");

    // Set the current slider position
    curBox.setText("50.0");
    grid.setWidget(0, 1, curBox);
    grid.setHTML(0, 2, "The current value of the knob.");
    grid.setWidget(0, 0, new Button("Set Current Value", new ClickHandler() {
        public void onClick(ClickEvent event) {
            mainSliderBar.setCurrentValue(new Float(curBox.getText()).floatValue());
        }
    }));

    // Set the minimum value
    final TextBox minBox = new TextBox();
    minBox.setText("0.0");
    grid.setWidget(1, 1, minBox);
    grid.setHTML(1, 2, "The lower bounds (minimum) of the range.");
    grid.setWidget(1, 0, new Button("Set Min Value", new ClickHandler() {
        public void onClick(ClickEvent event) {
            mainSliderBar.setMinValue(new Float(minBox.getText()).floatValue());
        }
    }));

    // Set the maximum value
    final TextBox maxBox = new TextBox();
    maxBox.setText("100.0");
    grid.setWidget(2, 1, maxBox);
    grid.setHTML(2, 2, "The upper bounds (maximum) of the range.");
    grid.setWidget(2, 0, new Button("Set Max Value", new ClickHandler() {
        public void onClick(ClickEvent event) {
            mainSliderBar.setMaxValue(new Float(maxBox.getText()).floatValue());
        }
    }));

    // Set the step size
    final TextBox stepSizeBox = new TextBox();
    stepSizeBox.setText("1.0");
    grid.setWidget(3, 1, stepSizeBox);
    grid.setHTML(3, 2, "The increments between each knob position.");
    grid.setWidget(3, 0, new Button("Set Step Size", new ClickHandler() {
        public void onClick(ClickEvent event) {
            mainSliderBar.setStepSize(new Float(stepSizeBox.getText()).floatValue());
        }
    }));

    // Set the number of tick marks
    final TextBox numTicksBox = new TextBox();
    numTicksBox.setText("10");
    grid.setWidget(4, 1, numTicksBox);
    grid.setHTML(4, 2,
            "The vertical black lines along the range of value.  Note that the "
                    + "number of ticks is actually one more than the number you "
                    + "specify, so setting the number of ticks to one will display a "
                    + "tick at each end of the slider.");
    grid.setWidget(4, 0, new Button("Set Num Ticks", new ClickHandler() {
        public void onClick(ClickEvent event) {
            mainSliderBar.setNumTicks(new Integer(numTicksBox.getText()).intValue());
        }
    }));

    // Set the number of labels
    final TextBox numLabelsBox = new TextBox();
    numLabelsBox.setText("5");
    grid.setWidget(5, 1, numLabelsBox);
    grid.setHTML(5, 2, "The labels above the ticks.");
    grid.setWidget(5, 0, new Button("Set Num Labels", new ClickHandler() {
        public void onClick(ClickEvent event) {
            mainSliderBar.setNumLabels(new Integer(numLabelsBox.getText()).intValue());
        }
    }));

    // Create a form to set width of element
    final TextBox widthBox = new TextBox();
    widthBox.setText("50%");
    grid.setWidget(6, 1, widthBox);
    grid.setHTML(6, 2, "Set the width of the slider.  Use this to see how "
            + "resize checking detects the new dimensions and redraws the widget.");
    grid.setWidget(6, 0, new Button("Set Width", new ClickHandler() {
        public void onClick(ClickEvent event) {
            mainSliderBar.setWidth(widthBox.getText());
        }
    }));

    // Add the default text option
    grid.setWidget(7, 1, defaultTextLabel);
    grid.setHTML(7, 2, "Override the format of the labels with a custom" + "format.");
    grid.setWidget(7, 0, new Button("Toggle Custom Text", new ClickHandler() {
        public void onClick(ClickEvent event) {

            if (useCustomText) {
                defaultTextLabel.setHTML("default");
                useCustomText = false;
                mainSliderBar.redraw();
            } else {
                defaultTextLabel.setHTML("custom");
                useCustomText = true;
                mainSliderBar.redraw();
            }
        }
    }));

    // Add static resize timer methods
    final HTML resizeCheckLabel = new HTML("enabled");
    grid.setWidget(8, 1, resizeCheckLabel);
    grid.setHTML(8, 2,
            "When resize checking is enabled, a Timer will "
                    + "periodically check if the Widget's dimensions have changed.  If "
                    + "they change, the widget will be redrawn.");
    grid.setWidget(8, 0, new Button("Toggle Resize Checking", new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (ResizableWidgetCollection.get().isResizeCheckingEnabled()) {
                ResizableWidgetCollection.get().setResizeCheckingEnabled(false);
                resizeCheckLabel.setHTML("disabled");

            } else {
                ResizableWidgetCollection.get().setResizeCheckingEnabled(true);
                resizeCheckLabel.setHTML("enabled");
            }
        }
    }));

    // Add elements to page
    RootPanel.get().add(mainSliderBar);
    RootPanel.get().add(new HTML("<BR>"));
    RootPanel.get().add(grid);
    RootPanel.get().add(new HTML("<BR>Additional SliderBars:<BR>"));
    RootPanel.get().add(exampleBar1);
    RootPanel.get().add(new HTML("<BR>"));
    RootPanel.get().add(exampleBar2);
}

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
    {// www  .  j a v a  2  s.  co m
        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;
}

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

License:Apache License

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

    // Add the current policy
    policyBox = new ListBox();
    policyBox.addItem("Disabled");
    policyBox.addItem("Single Cell");
    policyBox.addItem("Multi Cell");
    form.addLabeledWidget("Column Resize Policy:", policyBox);
    refreshPolicy();/*from w  ww. j a va  2  s.c  o m*/

    // Add button to change status
    {
        Button button = new Button("Set Resize Policy", new ClickHandler() {
            public void onClick(ClickEvent event) {
                AbstractScrollTable scrollTable = ScrollTableDemo.get().getScrollTable();
                switch (policyBox.getSelectedIndex()) {
                case 0:
                    scrollTable.setColumnResizePolicy(ScrollTable.ColumnResizePolicy.DISABLED);
                    break;
                case 1:
                    scrollTable.setColumnResizePolicy(ScrollTable.ColumnResizePolicy.SINGLE_CELL);
                    break;
                case 2:
                    scrollTable.setColumnResizePolicy(ScrollTable.ColumnResizePolicy.MULTI_CELL);
                    break;
                }
            }
        });
        form.addButton(button);
    }

    // Add button to reset column widths
    {
        Button button = new Button("Reset Column Widths", new ClickHandler() {
            public void onClick(ClickEvent event) {
                AbstractScrollTable scrollTable = ScrollTableDemo.get().getScrollTable();
                scrollTable.resetColumnWidths();
            }
        });
        form.addButton(button);
    }

    return form;
}

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

License:Apache License

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

    // Column selection
    final TextBox columnBox = new TextBox();
    columnBox.setText("3");
    columnBox.setWidth("50px");
    form.addLabeledWidget("Column Index:", columnBox);

    // Width selection
    final TextBox widthBox = new TextBox();
    widthBox.setText("25");
    widthBox.setWidth("50px");
    form.addLabeledWidget("Width (pixels):", widthBox);

    // Add button to set column size
    {//from w  w  w. jav a  2  s .  c om
        Button button = new Button("Set Actual Column Width", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int column = Integer.parseInt(columnBox.getText());
                    int width = Integer.parseInt(widthBox.getText());
                    if (column >= 0) {
                        ScrollTableDemo.get().getScrollTable().setColumnWidth(column, width);
                    }
                } 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);
    }

    // Add button to set preferred column size
    if (PagingScrollTableDemo.get() == null) {
        Button button = new Button("Set Preferred Column Width", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int column = Integer.parseInt(columnBox.getText());
                    int width = Integer.parseInt(widthBox.getText());
                    if (column >= 0) {
                        ((ScrollTable) ScrollTableDemo.get().getScrollTable()).setPreferredColumnWidth(column,
                                width);
                    }
                } 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);
    }

    // Add button to set min column size
    if (PagingScrollTableDemo.get() == null) {
        Button button = new Button("Set Minimum Column Width", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int column = Integer.parseInt(columnBox.getText());
                    int width = Integer.parseInt(widthBox.getText());
                    if (column >= 0) {
                        ((ScrollTable) ScrollTableDemo.get().getScrollTable()).setMinimumColumnWidth(column,
                                width);
                    }
                } 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);
    }

    // Add button to set max column size
    if (PagingScrollTableDemo.get() == null) {
        Button button = new Button("Set Maximum Column Width", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int column = Integer.parseInt(columnBox.getText());
                    int width = Integer.parseInt(widthBox.getText());
                    if (column >= 0) {
                        ((ScrollTable) ScrollTableDemo.get().getScrollTable()).setMaximumColumnWidth(column,
                                width);
                    }
                } 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;
}

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

License:Apache License

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

    // Add the current policy
    policyBox = new ListBox();
    policyBox.addItem("Unconstrained");
    policyBox.addItem("Flow");
    policyBox.addItem("Fixed");
    policyBox.addItem("Fill");
    form.addLabeledWidget("Resize Policy:", policyBox);
    refreshPolicy();//from   w w  w. j a  v a2  s .c o m

    // Add button to change status
    {
        Button button = new Button("Set Resize Policy", new ClickHandler() {
            public void onClick(ClickEvent event) {
                AbstractScrollTable scrollTable = ScrollTableDemo.get().getScrollTable();
                switch (policyBox.getSelectedIndex()) {
                case 0:
                    scrollTable.setResizePolicy(ScrollTable.ResizePolicy.UNCONSTRAINED);
                    break;
                case 1:
                    scrollTable.setResizePolicy(ScrollTable.ResizePolicy.FLOW);
                    break;
                case 2:
                    scrollTable.setResizePolicy(ScrollTable.ResizePolicy.FIXED_WIDTH);
                    break;
                case 3:
                    scrollTable.setResizePolicy(ScrollTable.ResizePolicy.FILL_WIDTH);
                    break;
                }
            }
        });
        form.addButton(button);
    }

    return form;
}

From source file:com.google.gwt.gen2.demo.scrolltable.client.option.data.InsertDataRowOption.java

License:Apache License

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

    // Row selection
    final TextBox rowBox = new TextBox();
    rowBox.setText("3");
    rowBox.setWidth("50px");
    form.addLabeledWidget("Row Index:", rowBox);

    // Add button to insert one row
    {// ww  w.j a  v  a  2 s .c  o m
        Button button = new Button("Insert 1 Row", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int row = Integer.parseInt(rowBox.getText());
                    insertDataRows(row, 1);
                } 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);
    }

    // Add button to insert 10 rows
    {
        Button button = new Button("Insert 10 Rows", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int row = Integer.parseInt(rowBox.getText());
                    insertDataRows(row, 10);
                } 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);
    }

    // Add button to insert 100 rows
    {
        Button button = new Button("Insert 100 Rows", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int row = Integer.parseInt(rowBox.getText());
                    insertDataRows(row, 100);
                } 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);
    }

    // Add button to remove a row
    {
        Button button = new Button("Remove Row", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int row = Integer.parseInt(rowBox.getText());
                    ScrollTableDemo.get().getDataTable().removeRow(row);
                } 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;
}

From source file:com.google.gwt.gen2.demo.scrolltable.client.option.data.SetDataTextOption.java

License:Apache License

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

    // Row selection
    final TextBox rowBox = new TextBox();
    rowBox.setText("3");
    rowBox.setWidth("50px");
    form.addLabeledWidget("Row Index", rowBox);

    // Column selection
    final TextBox columnBox = new TextBox();
    columnBox.setText("4");
    columnBox.setWidth("50px");
    form.addLabeledWidget("Column Index", columnBox);

    // Text selection
    final TextBox textBox = new TextBox();
    textBox.setText("<b>Hello World</b>");
    form.addLabeledWidget("Text:", textBox);

    // Add button to set text
    {//from  w ww  .j  a  va 2  s. c  o m
        Button button = new Button("Set Cell Text", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int row = Integer.parseInt(rowBox.getText());
                    int column = Integer.parseInt(columnBox.getText());
                    String text = textBox.getText();
                    ScrollTableDemo.get().getDataTable().setText(row, column, text);
                } 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);
    }

    // Add button to set html
    {
        Button button = new Button("Set Cell HTML", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int row = Integer.parseInt(rowBox.getText());
                    int column = Integer.parseInt(columnBox.getText());
                    String text = textBox.getText();
                    ScrollTableDemo.get().getDataTable().setHTML(row, column, text);
                } 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;
}