Examples of pivot.wtk.Rollup

pivot.wtk.Rollup
Container that can be expanded or collapsed to respectively show or hide its children. When expanded, the rollup's children are displayed vertically like a vertical flow pane. When collapsed, only the rollup's first child is displayed. @author gbrown @author tvolkert


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


        Rollup rollup = (Rollup)component;
        rollup.getRollupListeners().add(this);


        updateToggleComponent();


        rollupButton = new RollupButton();
        updateRollupButton();
        rollup.add(rollupButton);
        rollupButton.getButtonPressListeners().add(this);
    }

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        rollupButton.getButtonPressListeners().add(this);
    }


    @Override
    public void uninstall() {
        Rollup rollup = (Rollup)getComponent();
        rollup.getRollupListeners().remove(this);


        rollupButton.getButtonPressListeners().remove(this);
        rollup.remove(rollupButton);
        rollupButton = null;


        if (toggleComponent != null) {
            toggleComponent.getComponentMouseButtonListeners().remove(toggleComponentMouseHandler);
            toggleComponent = null;

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        super.uninstall();
    }


    @Override
    public int getPreferredWidth(int height) {
        Rollup rollup = (Rollup)getComponent();


        int preferredWidth = 0;


        // Preferred width is the max of our childrens' preferred widths, plus
        // the button width, buffer, and padding. If we're collapsed, we only
        // look at the first child.
        for (int i = 0, n = rollup.getLength(); i < n; i++) {
            Component component = rollup.get(i);


            if (component == rollupButton) {
                // Ignore "private" component
                continue;
            }


            if (component.isDisplayable()) {
                int componentPreferredWidth = component.getPreferredWidth(-1);
                preferredWidth = Math.max(preferredWidth, componentPreferredWidth);
            }


            if (!rollup.isExpanded()) {
                // If we're collapsed, we only look at the first child.
                break;
            }
        }

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        return preferredWidth;
    }


    @Override
    public int getPreferredHeight(int width) {
        Rollup rollup = (Rollup)getComponent();
        return getPreferredHeight(width, rollup.isExpanded());
    }

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        Rollup rollup = (Rollup)getComponent();
        return getPreferredHeight(width, rollup.isExpanded());
    }


    private int getPreferredHeight(int width, boolean expanded) {
        Rollup rollup = (Rollup)getComponent();


        // Preferred height is the sum of our childrens' preferred heights,
        // plus spacing and padding.
        Dimensions rollupButtonPreferredSize = rollupButton.getPreferredSize();


        if (justify
            && width != -1) {
            width = Math.max(width - rollupButtonPreferredSize.width - buffer, 0);
        } else {
            width = -1;
        }


        int preferredHeight = 0;


        int displayableComponentCount = 0;
        for (int i = 0, n = rollup.getLength(); i < n; i++) {
            Component component = rollup.get(i);


            if (component == rollupButton) {
                // Ignore "private" component
                continue;
            }

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        return preferredHeight;
    }


    public void layout() {
        Rollup rollup = (Rollup)getComponent();
        Dimensions rollupButtonSize = rollupButton.getPreferredSize();
        rollupButton.setSize(rollupButtonSize);


        int x = rollupButtonSize.width + buffer;
        int y = 0;
        int justifiedWidth = Math.max(getWidth() - rollupButtonSize.width - buffer, 0);


        Component firstComponent = null;


        for (int i = 0, n = rollup.getLength(); i < n; i++) {
            Component component = rollup.get(i);


            if (component == rollupButton) {
                // Ignore "private" component
                continue;
            }


            if (firstComponent == null) {
                firstComponent = component;
            }


            if ((component == firstComponent
                || rollup.isExpanded())
                && component.isDisplayable()) {
                // We lay this child out and make sure it's painted.
                component.setVisible(true);


                int componentWidth, componentHeight;

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        this.firstChildToggles = firstChildToggles;
        updateToggleComponent();
    }


    private void updateRollupButton() {
        Rollup rollup = (Rollup)getComponent();


        Image buttonData = null;
        Cursor cursor = Cursor.HAND;


        // Make sure to account for rollupButton
        if (rollup.getLength() == 2) {
            buttonData = bulletImage;
            cursor = Cursor.DEFAULT;
        } else if (rollup.isExpanded()) {
            buttonData = collapseImage;
        } else {
            buttonData = expandImage;
        }

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        rollupButton.setButtonData(buttonData);
        rollupButton.setCursor(cursor);
    }


    private void updateToggleComponent() {
        Rollup rollup = (Rollup)getComponent();
        Component previousToggleComponent = toggleComponent;


        toggleComponent = null;
        if (firstChildToggles) {
            for (int i = 0, n = rollup.getLength(); i < n; i++) {
                Component child = rollup.get(i);
                if (child != rollupButton) {
                    toggleComponent = child;
                    break;
                }
            }
        }


        if (toggleComponent != null
            && rollup.getLength() > 2) {
            // TODO Record original cursor
            toggleComponent.setCursor(Cursor.HAND);
        }


        if (toggleComponent != previousToggleComponent) {

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    }


    // ButtonPressListener methods


    public void buttonPressed(Button button) {
        Rollup rollup = (Rollup)getComponent();
        rollup.setExpanded(!rollup.isExpanded());
    }

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            return height;
        }


        @Override
        public void start(TransitionListener transitionListener) {
            Rollup rollup = (Rollup)getComponent();
            originalPreferredHeight = rollup.isPreferredHeightSet() ?
                rollup.getPreferredHeight() : -1;


            super.start(transitionListener);
        }

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Related Classes of pivot.wtk.Rollup

pivot.util.Vote

pivot.wtk.skin.RollupSkin

pivot.wtk.skin.terra.TerraRollupSkin

pivot.wtk.skin.terra.TerraRollupSkin$ExpansionTransition

pivot.wtk.skin.terra.TerraRollupSkin$HeadingMouseButtonHandler

pivot.wtk.skin.terra.TerraRollupSkin$RollupButtonSkin

pivot.wtk.skin.terra.TerraRollupSkin$ToggleComponentMouseHandler

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