Examples with ButtonPressListener org.apache.pivot.wtk.ButtonPressListener used on opensource projects

Example 11 with ButtonPressListener

use of org.apache.pivot.wtk.ButtonPressListener in project pivot by apache.

the class Pivot686 method initializeFields.

private void initializeFields(BXMLSerializer serializer) {
    System.out.println("initializeFields: start");
    textInput = (TextInput) serializer.getNamespace().get("textInput");
    // note that this has no effect here
    textInput.requestFocus();
    System.out.println("textInput has focus: " + textInput.isFocused());
    pushButton = (PushButton) serializer.getNamespace().get("pushButton");
    pushButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            String msg = "You clicked me!";
            System.out.println(msg);
            // Alert.alert(MessageType.INFO, msg, window);
            textInput.setText("");
            textInput.requestFocus();
        }
    });
    System.out.println("initializeFields: end");
}

Example 12 with ButtonPressListener

use of org.apache.pivot.wtk.ButtonPressListener in project pivot by apache.

the class TextPaneDemo method startup.

@Override
public void startup(Display display, Map<String, String> properties) throws Exception {
    System.out.println("startup(...)");
    System.out.println("\n" + "In this test application as a sample for setting the display scale on startup, use startup argument \"--scale=n\" property; \n" + "for instance, using \"--scale=2.0\" will set double scale on the whole application.\n" + "\n" + "Anyway, using Ctrl-Shift-MouseWheel will scale the display up and down as well, for the user of your application.\n");
    BXMLSerializer bxmlSerializer = new BXMLSerializer();
    window = (Window) bxmlSerializer.readObject(TextPaneDemo.class, "text_pane_demo.bxml");
    bxmlSerializer.bind(this, TextPaneDemo.class);
    window.setTitle("Apache Pivot Rich Text Editor Demo");
    // make the text on the "bold" button bold
    Font boldButtonFont = boldButton.getStyles().getFont(Style.font);
    boldButton.getStyles().put(Style.font, boldButtonFont.deriveFont(Font.BOLD));
    // make the text on the "italic" button italic
    Font italicButtonFont = italicButton.getStyles().getFont(Style.font);
    italicButton.getStyles().put(Style.font, italicButtonFont.deriveFont(Font.ITALIC));
    fontFamilyListButton.setListData(new ArrayList<>(GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames()));
    fontSizeListButton.setSelectedItem(fontFamilyListButton.getListData().get(0));
    fontFamilyListButton.setItemRenderer(new ListViewItemRenderer() {

        @Override
        public void render(Object item, int index, ListView listView, boolean selected, Button.State state, boolean highlighted, boolean disabled) {
            super.render(item, index, listView, selected, state, highlighted, disabled);
            if (item != null) {
                String fontFamilyName = (String) item;
                label.getStyles().put(Style.font, Font.decode(fontFamilyName + "-12"));
            }
        }
    });
    fontFamilyListButton.setDataRenderer(new ListButtonDataRenderer() {

        @Override
        public void render(Object data, Button button, boolean highlight) {
            super.render(data, button, highlight);
            if (data != null) {
                String fontFamilyName = (String) data;
                label.getStyles().put(Style.font, Font.decode(fontFamilyName + "-12"));
            }
        }
    });
    fontSizeListButton.setListData(new NumericSpinnerData(12, 30, 1));
    fontSizeListButton.setSelectedItem(12);
    openFileButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            final FileBrowserSheet fileBrowserSheet = new FileBrowserSheet();
            fileBrowserSheet.setMode(FileBrowserSheet.Mode.OPEN);
            fileBrowserSheet.open(window, new SheetCloseListener() {

                @Override
                public void sheetClosed(Sheet sheet) {
                    if (sheet.getResult()) {
                        loadedFile = fileBrowserSheet.getSelectedFile();
                        try {
                            BufferedReader reader = new BufferedReader(new FileReader(loadedFile));
                            PlainTextSerializer serializer = new PlainTextSerializer();
                            textPane.setDocument(serializer.readObject(reader));
                            reader.close();
                            window.setTitle(loadedFile.getCanonicalPath());
                        } catch (IOException ex) {
                            ex.printStackTrace();
                            Alert.alert(ex.getMessage(), window);
                        }
                    }
                }
            });
        }
    });
    saveFileButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            final FileBrowserSheet fileBrowserSheet = new FileBrowserSheet();
            if (loadedFile != null) {
                fileBrowserSheet.setSelectedFile(loadedFile);
            }
            fileBrowserSheet.setMode(FileBrowserSheet.Mode.SAVE_AS);
            fileBrowserSheet.open(window, new SheetCloseListener() {

                @Override
                public void sheetClosed(Sheet sheet) {
                    if (sheet.getResult()) {
                        File selectedFile = fileBrowserSheet.getSelectedFile();
                        try {
                            FileWriter writer = new FileWriter(selectedFile);
                            PlainTextSerializer serializer = new PlainTextSerializer();
                            serializer.writeObject(textPane.getDocument(), writer);
                            writer.close();
                            loadedFile = selectedFile;
                            window.setTitle(loadedFile.getCanonicalPath());
                        } catch (IOException ex) {
                            ex.printStackTrace();
                            Alert.alert(ex.getMessage(), window);
                        }
                    }
                }
            });
        }
    });
    boldButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            applyStyleToSelection(new StyleApplicator() {

                @Override
                public void apply(TextSpan span) {
                    if (span.getFont() != null) {
                        Font font = span.getFont();
                        if (font.getStyle() == Font.PLAIN) {
                            font = font.deriveFont(Font.BOLD);
                        } else if (font.getStyle() == Font.BOLD) {
                            font = font.deriveFont(Font.PLAIN);
                        } else {
                            // the font is BOLD+ITALIC
                            font = font.deriveFont(Font.ITALIC);
                        }
                        span.setFont(font);
                    } else {
                        span.setFont("Arial BOLD 12");
                    }
                }
            });
            requestTextPaneFocus();
        }
    });
    italicButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            applyStyleToSelection(new StyleApplicator() {

                @Override
                public void apply(TextSpan span) {
                    if (span.getFont() != null) {
                        Font font = span.getFont();
                        if (font.getStyle() == Font.PLAIN) {
                            font = font.deriveFont(Font.ITALIC);
                        } else if (font.getStyle() == Font.ITALIC) {
                            font = font.deriveFont(Font.PLAIN);
                        } else {
                            // the font is BOLD+ITALIC
                            font = font.deriveFont(Font.BOLD);
                        }
                        span.setFont(font);
                    } else {
                        span.setFont("Arial ITALIC 12");
                    }
                }
            });
            requestTextPaneFocus();
        }
    });
    underlineButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            applyStyleToSelection(new StyleApplicator() {

                @Override
                public void apply(TextSpan span) {
                    span.setUnderline(!span.isUnderline());
                }
            });
            requestTextPaneFocus();
        }
    });
    strikethroughButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            applyStyleToSelection(new StyleApplicator() {

                @Override
                public void apply(TextSpan span) {
                    span.setStrikethrough(!span.isStrikethrough());
                }
            });
            requestTextPaneFocus();
        }
    });
    foregroundColorChooserButton.getColorChooserButtonSelectionListeners().add(new ColorChooserButtonSelectionListener() {

        @Override
        public void selectedColorChanged(ColorChooserButton colorChooserButton, Color previousSelectedColor) {
            applyStyleToSelection(new StyleApplicator() {

                @Override
                public void apply(TextSpan span) {
                    span.setForegroundColor(foregroundColorChooserButton.getSelectedColor());
                }
            });
            requestTextPaneFocus();
        }
    });
    backgroundColorChooserButton.getColorChooserButtonSelectionListeners().add(new ColorChooserButtonSelectionListener() {

        @Override
        public void selectedColorChanged(ColorChooserButton colorChooserButton, Color previousSelectedColor) {
            applyStyleToSelection(new StyleApplicator() {

                @Override
                public void apply(TextSpan span) {
                    span.setBackgroundColor(backgroundColorChooserButton.getSelectedColor());
                }
            });
            requestTextPaneFocus();
        }
    });
    ListButtonSelectionListener fontButtonPressListener = new ListButtonSelectionListener() {

        @Override
        public void selectedItemChanged(ListButton listButton, Object previousSelectedItem) {
            int selectedFontSize = ((Integer) fontSizeListButton.getSelectedItem()).intValue();
            String selectedFontFamily = (String) fontFamilyListButton.getSelectedItem();
            final Font derivedFont = Font.decode(selectedFontFamily + " " + selectedFontSize);
            applyStyleToSelection(new StyleApplicator() {

                @Override
                public void apply(TextSpan span) {
                    span.setFont(derivedFont);
                }
            });
            requestTextPaneFocus();
        }
    };
    fontFamilyListButton.getListButtonSelectionListeners().add(fontButtonPressListener);
    fontSizeListButton.getListButtonSelectionListeners().add(fontButtonPressListener);
    wrapTextCheckbox.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            textPane.getStyles().put(Style.wrapText, wrapTextCheckbox.isSelected());
            requestTextPaneFocus();
        }
    });
    alignLeftButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            applyAlignmentStyle(HorizontalAlignment.LEFT);
            requestTextPaneFocus();
        }
    });
    alignCentreButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            applyAlignmentStyle(HorizontalAlignment.CENTER);
            requestTextPaneFocus();
        }
    });
    alignRightButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            applyAlignmentStyle(HorizontalAlignment.RIGHT);
            requestTextPaneFocus();
        }
    });
    String scaleProperty = properties.get("scale");
    if (scaleProperty != null && !scaleProperty.isEmpty()) {
        try {
            double scaleFactor = Double.parseDouble(scaleProperty);
            System.out.println("Got scaling factor \"" + scaleProperty + "\" from command line arguments, now applying to display");
            display.getDisplayHost().setScale(scaleFactor);
        } catch (NumberFormatException nfe) {
            System.err.println("(NumberFormatException: " + nfe.getMessage());
        }
    }
    window.open(display);
    requestTextPaneFocus();
}

Example 13 with ButtonPressListener

use of org.apache.pivot.wtk.ButtonPressListener in project pivot by apache.

the class DragAndDropDemo method initialize.

@Override
public void initialize(Map<String, Object> namespace, URL location, Resources resources) {
    // Text
    label.setDragSource(new DragSource() {

        private LocalManifest content = null;

        @Override
        public boolean beginDrag(Component component, int x, int y) {
            String text = label.getText();
            if (text != null) {
                content = new LocalManifest();
                content.putText(label.getText());
            }
            return (content != null);
        }

        @Override
        public void endDrag(Component component, DropAction dropAction) {
            content = null;
        }

        @Override
        public boolean isNative() {
            return true;
        }

        @Override
        public LocalManifest getContent() {
            return content;
        }

        @Override
        public Visual getRepresentation() {
            return null;
        }

        @Override
        public Point getOffset() {
            return null;
        }

        @Override
        public int getSupportedDropActions() {
            return DropAction.COPY.getMask();
        }
    });
    label.setDropTarget(new DropTarget() {

        @Override
        public DropAction dragEnter(Component component, Manifest dragContent, int supportedDropActions, DropAction userDropAction) {
            DropAction dropAction = null;
            if (dragContent.containsText() && DropAction.COPY.isSelected(supportedDropActions)) {
                dropAction = DropAction.COPY;
            }
            return dropAction;
        }

        @Override
        public void dragExit(Component component) {
        // empty block
        }

        @Override
        public DropAction dragMove(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            return (dragContent.containsText() ? DropAction.COPY : null);
        }

        @Override
        public DropAction userDropActionChange(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            return (dragContent.containsText() ? DropAction.COPY : null);
        }

        @Override
        public DropAction drop(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            DropAction dropAction = null;
            if (dragContent.containsText()) {
                try {
                    label.setText(dragContent.getText());
                    dropAction = DropAction.COPY;
                } catch (IOException exception) {
                    System.err.println(exception);
                }
            }
            dragExit(component);
            return dropAction;
        }
    });
    copyTextButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            String text = label.getText();
            LocalManifest clipboardContent = new LocalManifest();
            clipboardContent.putText(text);
            Clipboard.setContent(clipboardContent);
        }
    });
    pasteTextButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            Manifest clipboardContent = Clipboard.getContent();
            if (clipboardContent != null && clipboardContent.containsText()) {
                try {
                    label.setText(clipboardContent.getText());
                } catch (IOException exception) {
                    System.err.println(exception);
                }
            }
        }
    });
    // Images
    imageView.setDragSource(new DragSource() {

        private LocalManifest content = null;

        @Override
        public boolean beginDrag(Component component, int x, int y) {
            Image image = imageView.getImage();
            if (image != null) {
                content = new LocalManifest();
                content.putImage(image);
            }
            return (content != null);
        }

        @Override
        public void endDrag(Component component, DropAction dropAction) {
            content = null;
        }

        @Override
        public boolean isNative() {
            return true;
        }

        @Override
        public LocalManifest getContent() {
            return content;
        }

        @Override
        public Visual getRepresentation() {
            return null;
        }

        @Override
        public Point getOffset() {
            return null;
        }

        @Override
        public int getSupportedDropActions() {
            return DropAction.COPY.getMask();
        }
    });
    imageView.setDropTarget(new DropTarget() {

        @Override
        public DropAction dragEnter(Component component, Manifest dragContent, int supportedDropActions, DropAction userDropAction) {
            DropAction dropAction = null;
            if (dragContent.containsImage() && DropAction.COPY.isSelected(supportedDropActions)) {
                dropAction = DropAction.COPY;
            }
            return dropAction;
        }

        @Override
        public void dragExit(Component component) {
        // empty block
        }

        @Override
        public DropAction dragMove(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            return (dragContent.containsImage() ? DropAction.COPY : null);
        }

        @Override
        public DropAction userDropActionChange(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            return (dragContent.containsImage() ? DropAction.COPY : null);
        }

        @Override
        public DropAction drop(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            DropAction dropAction = null;
            if (dragContent.containsImage()) {
                try {
                    imageView.setImage(dragContent.getImage());
                    dropAction = DropAction.COPY;
                } catch (IOException exception) {
                    System.err.println(exception);
                }
            }
            dragExit(component);
            return dropAction;
        }
    });
    copyImageButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            Image image = imageView.getImage();
            if (image != null) {
                LocalManifest clipboardContent = new LocalManifest();
                clipboardContent.putImage(image);
                Clipboard.setContent(clipboardContent);
            }
        }
    });
    pasteImageButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            Manifest clipboardContent = Clipboard.getContent();
            if (clipboardContent != null && clipboardContent.containsImage()) {
                try {
                    imageView.setImage(clipboardContent.getImage());
                } catch (IOException exception) {
                    System.err.println(exception);
                }
            }
        }
    });
    // Files
    listView.setListData(new FileList());
    listView.setDragSource(new DragSource() {

        private LocalManifest content = null;

        @Override
        public boolean beginDrag(Component component, int x, int y) {
            ListView listViewLocal = (ListView) component;
            FileList fileList = (FileList) listViewLocal.getListData();
            if (fileList.getLength() > 0) {
                content = new LocalManifest();
                content.putFileList(fileList);
            }
            return (content != null);
        }

        @Override
        public void endDrag(Component component, DropAction dropAction) {
            content = null;
        }

        @Override
        public boolean isNative() {
            return true;
        }

        @Override
        public LocalManifest getContent() {
            return content;
        }

        @Override
        public Visual getRepresentation() {
            return null;
        }

        @Override
        public Point getOffset() {
            return null;
        }

        @Override
        public int getSupportedDropActions() {
            return DropAction.COPY.getMask();
        }
    });
    listView.setDropTarget(new DropTarget() {

        @Override
        public DropAction dragEnter(Component component, Manifest dragContent, int supportedDropActions, DropAction userDropAction) {
            DropAction dropAction = null;
            if (dragContent.containsFileList() && DropAction.COPY.isSelected(supportedDropActions)) {
                dropAction = DropAction.COPY;
            }
            return dropAction;
        }

        @Override
        public void dragExit(Component component) {
        // empty block
        }

        @Override
        public DropAction dragMove(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            return (dragContent.containsFileList() ? DropAction.COPY : null);
        }

        @Override
        public DropAction userDropActionChange(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            return (dragContent.containsFileList() ? DropAction.COPY : null);
        }

        @Override
        public DropAction drop(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            DropAction dropAction = null;
            if (dragContent.containsFileList()) {
                try {
                    listView.setListData(dragContent.getFileList());
                    dropAction = DropAction.COPY;
                } catch (IOException exception) {
                    System.err.println(exception);
                }
            }
            dragExit(component);
            return dropAction;
        }
    });
    copyFilesButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
        // TODO
        }
    });
    pasteFilesButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
        // TODO
        }
    });
}

Example 14 with ButtonPressListener

use of org.apache.pivot.wtk.ButtonPressListener in project pivot by apache.

the class FileDropTargetDemo method initialize.

@Override
public void initialize(Map<String, Object> namespace, URL location, Resources resources) {
    fileList = new FileList();
    fileTableView.setTableData(fileList);
    fileList.getListListeners().add(new ListListener<File>() {

        @Override
        public void itemInserted(List<File> list, int index) {
            uploadButton.setEnabled(list.getLength() > 0);
        }

        @Override
        public void itemsRemoved(List<File> list, int index, Sequence<File> files) {
            uploadButton.setEnabled(list.getLength() > 0);
            if (fileTableView.isFocused() && index < list.getLength()) {
                fileTableView.setSelectedIndex(index);
            }
        }
    });
    fileTableView.getComponentKeyListeners().add(new ComponentKeyListener() {

        @Override
        public boolean keyPressed(Component component, int keyCode, Keyboard.KeyLocation keyLocation) {
            if (keyCode == Keyboard.KeyCode.DELETE || keyCode == Keyboard.KeyCode.BACKSPACE) {
                Sequence<Span> selectedRanges = fileTableView.getSelectedRanges();
                for (int i = selectedRanges.getLength() - 1; i >= 0; i--) {
                    Span range = selectedRanges.get(i);
                    int index = range.start;
                    int count = range.end - index + 1;
                    fileList.remove(index, count);
                }
            }
            return false;
        }
    });
    fileTableView.setDropTarget(new DropTarget() {

        @Override
        public DropAction dragEnter(Component component, Manifest dragContent, int supportedDropActions, DropAction userDropAction) {
            DropAction dropAction = null;
            if (dragContent.containsFileList() && DropAction.COPY.isSelected(supportedDropActions)) {
                dropAction = DropAction.COPY;
            }
            return dropAction;
        }

        @Override
        public void dragExit(Component component) {
        // empty block
        }

        @Override
        public DropAction dragMove(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            return (dragContent.containsFileList() ? DropAction.COPY : null);
        }

        @Override
        public DropAction userDropActionChange(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            return (dragContent.containsFileList() ? DropAction.COPY : null);
        }

        @Override
        public DropAction drop(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            DropAction dropAction = null;
            if (dragContent.containsFileList()) {
                try {
                    FileList tableData = (FileList) fileTableView.getTableData();
                    FileList fileListLocal = dragContent.getFileList();
                    for (File file : fileListLocal) {
                        if (file.isDirectory()) {
                        // TODO Expand recursively
                        }
                        tableData.add(file);
                    }
                    dropAction = DropAction.COPY;
                } catch (IOException exception) {
                    System.err.println(exception);
                }
            }
            dragExit(component);
            return dropAction;
        }
    });
    uploadButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            Prompt.prompt(MessageType.INFO, "Pretending to upload...", FileDropTargetDemo.this);
        }
    });
}

Example 15 with ButtonPressListener

use of org.apache.pivot.wtk.ButtonPressListener in project pivot by apache.

the class CheckedListViewTest method startup.

@Override
public void startup(Display display, Map<String, String> properties) throws Exception {
    BXMLSerializer serializer = new BXMLSerializer();
    mainWindow = (Window) serializer.readObject(CheckedListViewTest.class, "checked_list_view_test.bxml");
    serializer.bind(this);
    allowMixedStateCheckbox.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            listView.setAllowTriStateCheckmarks(button.isSelected());
            // Not sure why, but changing this setting clears all the checks but doesn't
            // trigger the item state listener (it's documented, but ...)
            selectedItemsLabel.setText("");
        }
    });
    showMixedAsSelectedCheckbox.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            listView.setCheckmarksMixedAsChecked(button.isSelected());
        }
    });
    listView.getComponentKeyListeners().add(new ComponentKeyListener() {

        @Override
        public boolean keyPressed(Component component, int keyCode, Keyboard.KeyLocation keyLocation) {
            if (keyCode == Keyboard.KeyCode.DELETE) {
                @SuppressWarnings("unchecked") List<Object> listData = (List<Object>) listView.getListData();
                Sequence<Span> selectedRanges = listView.getSelectedRanges();
                for (int i = selectedRanges.getLength() - 1; i >= 0; i--) {
                    Span selectedRange = selectedRanges.get(i);
                    listData.remove(selectedRange.start, selectedRange.end - selectedRange.start + 1);
                }
            }
            return false;
        }
    });
    listView.getListViewItemStateListeners().add(new ListViewItemStateListener() {

        private void displayCheckedItems(ListView listView) {
            List<?> listData = listView.getListData();
            StringBuffer buf = new StringBuffer();
            for (Integer i : listView.getCheckedIndexes()) {
                if (buf.length() > 0) {
                    buf.append(",");
                }
                Object item = listData.get(i);
                buf.append(item.toString());
            }
            selectedItemsLabel.setText(buf.toString());
        }

        @Override
        public void itemCheckedChanged(ListView listView, int index) {
            displayCheckedItems(listView);
        }

        @Override
        public void itemCheckedStateChanged(ListView listView, int index) {
            displayCheckedItems(listView);
        }
    });
    listView.setItemChecked(0, true);
    listView.setItemChecked(2, true);
    mainWindow.open(display);
}