Examples of pivot.wtk.ListButton$ListButtonListenerList

pivot.wtk.ListButton
List button listener list. @author gbrown

        // Set the popup content
        listViewPopup.setContent(listViewBorder);
    }


    public int getPreferredWidth(int height) {
        ListButton listButton = (ListButton)getComponent();
        List<?> listData = listButton.getListData();


        Button.DataRenderer dataRenderer = listButton.getDataRenderer();


        // Include padding in constraint
        if (height != -1) {
            height = Math.max(height - (padding.top + padding.bottom + 2), 0);
        }


        // Determine the preferred width of the current button data
        dataRenderer.render(listButton.getButtonData(),
            listButton, false);
        int preferredWidth = dataRenderer.getPreferredWidth(-1);


        // The preferred width of the button is the max. width of the rendered
        // content plus padding and the trigger width

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        return preferredWidth;
    }


    public int getPreferredHeight(int width) {
        ListButton listButton = (ListButton)getComponent();
        Button.DataRenderer dataRenderer = listButton.getDataRenderer();


        dataRenderer.render(listButton.getButtonData(), listButton, false);


        int preferredHeight = dataRenderer.getPreferredHeight(-1)
            + padding.top + padding.bottom + 2;


        return preferredHeight;

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    public void layout() {
        // No-op
    }


    public void paint(Graphics2D graphics) {
        ListButton listButton = (ListButton)getComponent();


        int width = getWidth();
        int height = getHeight();


        Color backgroundColor = null;
        Color bevelColor = null;
        Color borderColor = null;


        if (listButton.isEnabled()) {
            backgroundColor = this.backgroundColor;
            bevelColor = (pressed
            || (listViewPopup.isOpen() && closeTransition == null)) ? pressedBevelColor : this.bevelColor;
            borderColor = this.borderColor;
        } else {
            backgroundColor = disabledBackgroundColor;
            bevelColor = disabledBevelColor;
            borderColor = disabledBorderColor;
        }


        graphics.setStroke(new BasicStroke());


        // Paint the background
        graphics.setPaint(new GradientPaint(width / 2, 0, bevelColor,
            width / 2, height / 2, backgroundColor));
        graphics.fillRect(0, 0, width, height);


        // Paint the border
        graphics.setPaint(borderColor);


        Bounds contentBounds = new Bounds(0, 0,
            Math.max(width - TRIGGER_WIDTH - 1, 0), Math.max(height - 1, 0));
        graphics.drawRect(contentBounds.x, contentBounds.y, contentBounds.width, contentBounds.height);


        Bounds triggerBounds = new Bounds(Math.max(width - TRIGGER_WIDTH - 1, 0), 0,
            TRIGGER_WIDTH, Math.max(height - 1, 0));
        graphics.drawRect(triggerBounds.x, triggerBounds.y, triggerBounds.width, triggerBounds.height);


        // Paint the content
        Button.DataRenderer dataRenderer = listButton.getDataRenderer();
        dataRenderer.render(listButton.getButtonData(), listButton, false);
        dataRenderer.setSize(Math.max(contentBounds.width - (padding.left + padding.right + 2) + 1, 0),
            Math.max(contentBounds.height - (padding.top + padding.bottom + 2) + 1, 0));


        Graphics2D contentGraphics = (Graphics2D)graphics.create();
        contentGraphics.translate(padding.left + 1, padding.top + 1);
        contentGraphics.clipRect(0, 0, dataRenderer.getWidth(), dataRenderer.getHeight());
        dataRenderer.paint(contentGraphics);
        contentGraphics.dispose();


        // Paint the focus state
        if (listButton.isFocused()) {
            BasicStroke dashStroke = new BasicStroke(1.0f, BasicStroke.CAP_ROUND,
                BasicStroke.JOIN_ROUND, 1.0f, new float[] {0.0f, 2.0f}, 0.0f);


            graphics.setStroke(dashStroke);
            graphics.setColor(borderColor);

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    @Override
    public void install(Component component) {
        super.install(component);


        ListButton listButton = (ListButton)component;
        listButton.getListButtonListeners().add(this);
        listButton.getListButtonSelectionListeners().add(this);


        listView.setListData(listButton.getListData());
        listView.setItemRenderer(listButton.getItemRenderer());
    }

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    @Override
    public void uninstall() {
        listViewPopup.close();


        ListButton listButton = (ListButton)getComponent();
        listButton.getListButtonListeners().remove(this);
        listButton.getListButtonSelectionListeners().remove(this);


        listView.setListData(new ArrayList<Object>());


        super.uninstall();
    }

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    @Override
    public boolean mouseClick(Component component, Mouse.Button button, int x, int y, int count) {
        boolean consumed = super.mouseClick(component, button, x, y, count);


        ListButton listButton = (ListButton)getComponent();


        listButton.requestFocus();
        listButton.press();


        if (listView.isShowing()) {
            listView.requestFocus();
        }

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        if (keyCode == Keyboard.KeyCode.SPACE) {
            pressed = true;
            repaintComponent();
            consumed = true;
        } else if (keyCode == Keyboard.KeyCode.UP) {
            ListButton listButton = (ListButton)getComponent();
            int selectedIndex = listButton.getSelectedIndex();


            if (selectedIndex > 0) {
                listButton.setSelectedIndex(selectedIndex - 1);
                consumed = true;
            }
        } else if (keyCode == Keyboard.KeyCode.DOWN) {
            ListButton listButton = (ListButton)getComponent();
            int selectedIndex = listButton.getSelectedIndex();


            if (selectedIndex < listButton.getListData().getLength() - 1) {
                listButton.setSelectedIndex(selectedIndex + 1);
                consumed = true;
            }
        } else {
            consumed = super.keyPressed(component, keyCode, keyLocation);
        }

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    @Override
    public boolean keyReleased(Component component, int keyCode, Keyboard.KeyLocation keyLocation) {
        boolean consumed = false;


        ListButton listButton = (ListButton)getComponent();


        if (keyCode == Keyboard.KeyCode.SPACE) {
            pressed = false;
            repaintComponent();


            listButton.press();
        } else {
            consumed = super.keyReleased(component, keyCode, keyLocation);
        }


        return consumed;

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    @Override
    public void buttonPressed(Button button) {
        if (listViewPopup.isOpen()) {
            listViewPopup.close();
        } else {
            ListButton listButton = (ListButton)button;


            if (listButton.getListData().getLength() > 0) {
                // Determine the popup's location and preferred size, relative
                // to the button
                Display display = listButton.getDisplay();


                if (display != null) {
                    int width = getWidth();
                    int height = getHeight();


                    Component content = listViewPopup.getContent();


                    // Ensure that the popup remains within the bounds of the display
                    Point buttonLocation = listButton.mapPointToAncestor(display, 0, 0);


                    Dimensions displaySize = display.getSize();
                    Dimensions popupSize = content.getPreferredSize();
                    int popupHeight = popupSize.height;


                    int x = buttonLocation.x;
                    if (popupSize.width > width
                        && x + popupSize.width > displaySize.width) {
                        x = buttonLocation.x + width - popupSize.width;
                    }


                    int y = buttonLocation.y + height - 1;
                    if (y + popupSize.height > displaySize.height) {
                        if (buttonLocation.y - popupSize.height > 0) {
                            y = buttonLocation.y - popupSize.height + 1;
                        } else {
                            popupHeight = displaySize.height - y;
                        }
                    } else {
                        popupHeight = -1;
                    }


                    listViewPopup.setLocation(x, y);
                    listViewPopup.setPreferredSize(popupSize.width, popupHeight);
                    listViewPopup.open(listButton.getWindow());


                    if (listView.getFirstSelectedIndex() == -1
                        && listView.getListData().getLength() > 0) {
                        listView.setSelectedIndex(0);
                    }

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        dropShadowDecorator = new DropShadowDecorator(3, 3, 3);
        listViewPopup.getDecorators().add(dropShadowDecorator);
    }


    public int getPreferredWidth(int height) {
        ListButton listButton = (ListButton)getComponent();
        List<?> listData = listButton.getListData();


        Button.DataRenderer dataRenderer = listButton.getDataRenderer();


        // Include padding in constraint
        if (height != -1) {
            height = Math.max(height - (padding.top + padding.bottom + 2), 0);
        }


        // Determine the preferred width of the current button data
        dataRenderer.render(listButton.getButtonData(),
            listButton, false);
        int preferredWidth = dataRenderer.getPreferredWidth(-1);


        // The preferred width of the button is the max. width of the rendered
        // content plus padding and the trigger width

View Full Code Here

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