Examples of org.apache.pivot.wtk.BoxPane$BoxPaneListenerList

org.apache.pivot.wtk.BoxPane
Container that arranges components in a line, either vertically or horizontally.
Layout considerations: Note that by default, a BoxPane does not pass any preferred size information to its components. That means, for example, that the preferred width of a horizontal BoxPane is simply the sum of the preferred widths of its components, plus whatever extra space is dictated by its padding and spacing styles. This is also true in the orthogonal dimension if the fill style is not set: the preferred height of a horizontal BoxPane is the maximum preferred height of its components (plus padding, if any).
If a BoxPane is given less than its preferred size by its parent container, then the contents will be clipped; if given more than its preferred size, the contents will not be stretched to fill the space.
This behavior of BoxPane can be useful for "canceling" the layout effects of a parent container and/or to align a component that does not have its own alignment styles. For example, if you place a PushButton in a cell of a TablePane, the button will expand to fill the whole cell. If instead you place the button inside a BoxPane in the cell, it will retain its natural size, and you can set the horizontalAlignment and verticalAlignment styles of the BoxPane to, say, center the button within the cell.
Setting the fill style to true will cause the BoxPane to completely fill the space allotted by its container in the direction orthogonal to the layout direction. So, for a vertical layout, the width will be the width of its container and the children of the BoxPane will also be sized accordingly (i.e., full width of the space). And so for a horizontal layout, with fill set to true the height of the BoxPane will be the height allotted by its container and the children of the BoxPane will have their heights set accordingly.

        return preferredHeight;
    }


    @Override
    public Dimensions getPreferredSize() {
        BoxPane boxPane = (BoxPane)getComponent();


        int preferredWidth = 0;
        int preferredHeight = 0;


        switch (boxPane.getOrientation()) {
            case HORIZONTAL: {
                // Preferred width is the sum of the preferred widths of all components
                int j = 0;
                for (int i = 0, n = boxPane.getLength(); i < n; i++) {
                    Component component = boxPane.get(i);


                    if (component.isVisible()) {
                        Dimensions preferredSize = component.getPreferredSize();
                        preferredWidth += preferredSize.width;
                        preferredHeight = Math.max(preferredSize.height, preferredHeight);
                        j++;
                    }
                }


                // Include spacing
                if (j > 1) {
                    preferredWidth += spacing * (j - 1);
                }


                break;
            }


            case VERTICAL: {
                // Preferred height is the sum of the preferred heights of all components
                int j = 0;
                for (int i = 0, n = boxPane.getLength(); i < n; i++) {
                    Component component = boxPane.get(i);


                    if (component.isVisible()) {
                        Dimensions preferredSize = component.getPreferredSize();
                        preferredWidth = Math.max(preferredSize.width, preferredWidth);
                        preferredHeight += preferredSize.height;

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        return new Dimensions(preferredWidth, preferredHeight);
    }


    @Override
    public int getBaseline(int width, int height) {
        BoxPane boxPane = (BoxPane)getComponent();


        int baseline = -1;
        int contentHeight = 0;


        switch (boxPane.getOrientation()) {
            case HORIZONTAL: {
                if (fill) {
                    int clientHeight = Math.max(height - (padding.top + padding.bottom), 0);


                    for (Component component : boxPane) {

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        return baseline;
    }


    @Override
    public void layout() {
        BoxPane boxPane = (BoxPane)getComponent();
        int n = boxPane.getLength();


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


        Orientation orientation = boxPane.getOrientation();
        if (orientation == Orientation.HORIZONTAL) {
            int preferredWidth = getPreferredWidth(fill ? height : -1);


            // Determine the starting x-coordinate
            int x = 0;


            switch (horizontalAlignment) {
                case CENTER: {
                    x = (width - preferredWidth) / 2;
                    break;
                }


                case RIGHT: {
                    x = width - preferredWidth;
                    break;
                }
            }


            x += padding.left;


            // Lay out the components
            for (int i = 0; i < n; i++) {
                Component component = boxPane.get(i);


                if (component.isVisible()) {
                    int componentWidth = 0;
                    int componentHeight = 0;
                    int y = 0;


                    if (fill) {
                        componentHeight = Math.max(height - (padding.top
                            + padding.bottom), 0);


                        componentWidth = component.getPreferredWidth(componentHeight);
                    } else {
                        Dimensions preferredComponentSize = component.getPreferredSize();
                        componentWidth = preferredComponentSize.width;
                        componentHeight = preferredComponentSize.height;
                    }


                    switch (verticalAlignment) {
                        case TOP: {
                            y = padding.top;
                            break;
                        }


                        case CENTER: {
                            y = (height - componentHeight) / 2;
                            break;
                        }


                        case BOTTOM: {
                            y = height - padding.bottom - componentHeight;
                            break;
                        }
                    }


                    // Set the component's size and position
                    component.setSize(componentWidth, componentHeight);
                    component.setLocation(x, y);


                    // Increment the x-coordinate
                    x += componentWidth + spacing;
                }
            }
        } else {
            int preferredHeight = getPreferredHeight(fill ? width : -1);


            // Determine the starting y-coordinate
            int y = 0;


            switch (verticalAlignment) {
                case CENTER: {
                    y = (height - preferredHeight) / 2;
                    break;
                }


                case BOTTOM: {
                    y = height - preferredHeight;
                    break;
                }
            }


            y += padding.top;


            // Lay out the components
            for (int i = 0; i < n; i++) {
                Component component = boxPane.get(i);


                if (component.isVisible()) {
                    int componentWidth = 0;
                    int componentHeight = 0;
                    int x = 0;

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    private static Component addPointControl(final Dictionary<String, Object> dictionary,
        final String key, Form.Section section) {
        Point point = (Point)dictionary.get(key);


        BoxPane boxPane = new BoxPane(Orientation.VERTICAL);
        section.add(boxPane);
        Form.setLabel(boxPane, key);


        FlowPane flowPane = new FlowPane();
        flowPane.getStyles().put("alignToBaseline", true);
        flowPane.getStyles().put("horizontalSpacing", 5);
        boxPane.add(flowPane);


        TextInput textInput = new TextInput();
        textInput.setTextSize(3);
        textInput.setMaximumLength(4);
        textInput.setValidator(new IntValidator());
        textInput.setText(String.valueOf(point.x));
        flowPane.add(textInput);


        textInput.getComponentStateListeners().add(new ComponentStateListener.Adapter() {
            @Override
            public void focusedChanged(Component component, Component obverseComponent) {
                if (!component.isFocused()) {
                    TextInput textInput = (TextInput)component;
                    Point point = (Point)dictionary.get(key);


                    try {
                        int x = Integer.parseInt(textInput.getText());
                        dictionary.put(key, new Point(x, point.y));
                    } catch (Exception exception) {
                        displayErrorMessage(exception, component.getWindow());
                        textInput.setText(String.valueOf(point.x));
                    }
                }
            }
        });


        Label label = new Label("x");
        label.getStyles().put("font", "{italic:true}");
        flowPane.add(label);


        flowPane = new FlowPane();
        flowPane.getStyles().put("alignToBaseline", true);
        flowPane.getStyles().put("horizontalSpacing", 5);
        boxPane.add(flowPane);


        textInput = new TextInput();
        textInput.setTextSize(3);
        textInput.setMaximumLength(4);
        textInput.setValidator(new IntValidator());

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        return boxPane;
    }


    private void updatePointControl(Dictionary<String, Object> dictionary, String key) {
        BoxPane boxPane = (BoxPane)controls.get(key);


        if (boxPane != null) {
            Point point = (Point)dictionary.get(key);


            TextInput xTextInput = (TextInput)((FlowPane)boxPane.get(0)).get(0);
            TextInput yTextInput = (TextInput)((FlowPane)boxPane.get(1)).get(0);


            xTextInput.setText(String.valueOf(point.x));
            yTextInput.setText(String.valueOf(point.y));
        }
    }

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    private static Component addDimensionsControl(final Dictionary<String, Object> dictionary,
        final String key, Form.Section section) {
        Dimensions dimensions = (Dimensions)dictionary.get(key);


        BoxPane boxPane = new BoxPane(Orientation.VERTICAL);
        section.add(boxPane);
        Form.setLabel(boxPane, key);


        FlowPane flowPane = new FlowPane();
        flowPane.getStyles().put("alignToBaseline", true);
        flowPane.getStyles().put("horizontalSpacing", 5);
        boxPane.add(flowPane);


        TextInput textInput = new TextInput();
        textInput.setTextSize(4);
        textInput.setMaximumLength(5);
        textInput.setValidator(new IntValidator());
        textInput.setText(String.valueOf(dimensions.width));
        flowPane.add(textInput);


        textInput.getComponentStateListeners().add(new ComponentStateListener.Adapter() {
            @Override
            public void focusedChanged(Component component, Component obverseComponent) {
                if (!component.isFocused()) {
                    TextInput textInput = (TextInput)component;
                    Dimensions dimensions = (Dimensions)dictionary.get(key);


                    try {
                        int width = Integer.parseInt(textInput.getText());
                        dictionary.put(key, new Dimensions(width, dimensions.height));
                    } catch (Exception exception) {
                        displayErrorMessage(exception, component.getWindow());
                        textInput.setText(String.valueOf(dimensions.width));
                    }
                }
            }
        });


        Label label = new Label("width");
        label.getStyles().put("font", "{italic:true}");
        flowPane.add(label);


        flowPane = new FlowPane();
        flowPane.getStyles().put("alignToBaseline", true);
        flowPane.getStyles().put("horizontalSpacing", 5);
        boxPane.add(flowPane);


        textInput = new TextInput();
        textInput.setTextSize(4);
        textInput.setMaximumLength(5);
        textInput.setValidator(new IntValidator());

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        return boxPane;
    }


    private void updateDimensionsControl(Dictionary<String, Object> dictionary, String key) {
        BoxPane boxPane = (BoxPane)controls.get(key);


        if (boxPane != null) {
            Dimensions dimensions = (Dimensions)dictionary.get(key);


            TextInput widthTextInput = (TextInput)((FlowPane)boxPane.get(0)).get(0);
            TextInput heightTextInput = (TextInput)((FlowPane)boxPane.get(1)).get(0);


            widthTextInput.setText(String.valueOf(dimensions.width));
            heightTextInput.setText(String.valueOf(dimensions.height));
        }
    }

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    private static Component addLimitsControl(final Dictionary<String, Object> dictionary,
        final String key, Form.Section section) {
        Limits limits = (Limits)dictionary.get(key);


        BoxPane boxPane = new BoxPane(Orientation.VERTICAL);
        section.add(boxPane);
        Form.setLabel(boxPane, key);


        FlowPane flowPane = new FlowPane();
        flowPane.getStyles().put("alignToBaseline", true);
        flowPane.getStyles().put("horizontalSpacing", 5);
        boxPane.add(flowPane);


        TextInput textInput = new TextInput();
        textInput.setTextSize(10);
        textInput.setMaximumLength(10);
        textInput.setValidator(new IntValidator());
        textInput.setText(String.valueOf(limits.minimum));
        flowPane.add(textInput);


        textInput.getComponentStateListeners().add(new ComponentStateListener.Adapter() {
            @Override
            public void focusedChanged(Component component, Component obverseComponent) {
                if (!component.isFocused()) {
                    TextInput textInput = (TextInput)component;
                    Limits limits = (Limits)dictionary.get(key);


                    try {
                        int min = Integer.parseInt(textInput.getText());
                        dictionary.put(key, new Limits(min, limits.maximum));
                    } catch (Exception exception) {
                        displayErrorMessage(exception, component.getWindow());
                        textInput.setText(String.valueOf(limits.minimum));
                    }
                }
            }
        });


        Label label = new Label("min");
        label.getStyles().put("font", "{italic:true}");
        flowPane.add(label);


        flowPane = new FlowPane();
        flowPane.getStyles().put("alignToBaseline", true);
        flowPane.getStyles().put("horizontalSpacing", 5);
        boxPane.add(flowPane);


        textInput = new TextInput();
        textInput.setTextSize(10);
        textInput.setMaximumLength(10);
        textInput.setValidator(new IntValidator());

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        return boxPane;
    }


    private void updateLimitsControl(Dictionary<String, Object> dictionary, String key) {
        BoxPane boxPane = (BoxPane)controls.get(key);


        if (boxPane != null) {
            Limits limits = (Limits)dictionary.get(key);


            TextInput minTextInput = (TextInput)((FlowPane)boxPane.get(0)).get(0);
            TextInput maxTextInput = (TextInput)((FlowPane)boxPane.get(1)).get(0);


            minTextInput.setText(String.valueOf(limits.minimum));
            maxTextInput.setText(String.valueOf(limits.maximum));
        }
    }

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    private static Component addInsetsControl(final Dictionary<String, Object> dictionary,
        final String key, Form.Section section) {
        Insets insets = (Insets)dictionary.get(key);


        BoxPane boxPane = new BoxPane(Orientation.VERTICAL);
        section.add(boxPane);
        Form.setLabel(boxPane, key);


        FlowPane flowPane = new FlowPane();
        flowPane.getStyles().put("alignToBaseline", true);
        flowPane.getStyles().put("horizontalSpacing", 5);
        boxPane.add(flowPane);


        TextInput textInput = new TextInput();
        textInput.setTextSize(4);
        textInput.setMaximumLength(4);
        textInput.setValidator(new IntValidator());
        textInput.setText(String.valueOf(insets.top));
        flowPane.add(textInput);


        textInput.getComponentStateListeners().add(new ComponentStateListener.Adapter() {
            @Override
            public void focusedChanged(Component component, Component obverseComponent) {
                if (!component.isFocused()) {
                    TextInput textInput = (TextInput)component;
                    Insets insets = (Insets)dictionary.get(key);


                    try {
                        int top = Integer.parseInt(textInput.getText());
                        dictionary.put(key, new Insets(top, insets.left, insets.bottom,
                            insets.right));
                    } catch (Exception exception) {
                        displayErrorMessage(exception, component.getWindow());
                        textInput.setText(String.valueOf(insets.top));
                    }
                }
            }
        });


        Label label = new Label("top");
        label.getStyles().put("font", "{italic:true}");
        flowPane.add(label);


        flowPane = new FlowPane();
        flowPane.getStyles().put("alignToBaseline", true);
        flowPane.getStyles().put("horizontalSpacing", 5);
        boxPane.add(flowPane);


        textInput = new TextInput();
        textInput.setTextSize(4);
        textInput.setMaximumLength(4);
        textInput.setValidator(new IntValidator());
        textInput.setText(String.valueOf(insets.left));
        flowPane.add(textInput);


        textInput.getComponentStateListeners().add(new ComponentStateListener.Adapter() {
            @Override
            public void focusedChanged(Component component, Component obverseComponent) {
                if (!component.isFocused()) {
                    TextInput textInput = (TextInput)component;
                    Insets insets = (Insets)dictionary.get(key);


                    try {
                        int left = Integer.parseInt(textInput.getText());
                        dictionary.put(key, new Insets(insets.top, left, insets.bottom,
                            insets.right));
                    } catch (Exception exception) {
                        displayErrorMessage(exception, component.getWindow());
                        textInput.setText(String.valueOf(insets.left));
                    }
                }
            }
        });


        label = new Label("left");
        label.getStyles().put("font", "{italic:true}");
        flowPane.add(label);


        flowPane = new FlowPane();
        flowPane.getStyles().put("alignToBaseline", true);
        flowPane.getStyles().put("horizontalSpacing", 5);
        boxPane.add(flowPane);


        textInput = new TextInput();
        textInput.setTextSize(4);
        textInput.setMaximumLength(4);
        textInput.setValidator(new IntValidator());
        textInput.setText(String.valueOf(insets.bottom));
        flowPane.add(textInput);


        textInput.getComponentStateListeners().add(new ComponentStateListener.Adapter() {
            @Override
            public void focusedChanged(Component component, Component obverseComponent) {
                if (!component.isFocused()) {
                    TextInput textInput = (TextInput)component;
                    Insets insets = (Insets)dictionary.get(key);


                    try {
                        int bottom = Integer.parseInt(textInput.getText());
                        dictionary.put(key, new Insets(insets.top, insets.left, bottom,
                            insets.right));
                    } catch (Exception exception) {
                        displayErrorMessage(exception, component.getWindow());
                        textInput.setText(String.valueOf(insets.bottom));
                    }
                }
            }
        });


        label = new Label("bottom");
        label.getStyles().put("font", "{italic:true}");
        flowPane.add(label);


        flowPane = new FlowPane();
        flowPane.getStyles().put("alignToBaseline", true);
        flowPane.getStyles().put("horizontalSpacing", 5);
        boxPane.add(flowPane);


        textInput = new TextInput();
        textInput.setTextSize(4);
        textInput.setMaximumLength(4);
        textInput.setValidator(new IntValidator());

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