Package org.apache.pivot.wtk

Examples of org.apache.pivot.wtk.Panorama

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    @Override
    public Dimensions getPreferredSize() {
        Dimensions preferredSize = null;

        // The panorama's preferred size is the preferred size of the view
        Panorama panorama = (Panorama)getComponent();
        Component view = panorama.getView();
        if (view == null) {
            preferredSize = new Dimensions(0, 0);
        } else {
            preferredSize = view.getPreferredSize();
        }
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        return preferredSize;
    }

    @Override
    public void layout() {
        Panorama panorama = (Panorama)getComponent();
        int width = getWidth();
        int height = getHeight();

        Component view = panorama.getView();
        if (view != null) {
            Dimensions viewSize = view.getPreferredSize();
            view.setSize(Math.max(width, viewSize.width), Math.max(height, viewSize.height));
            int viewWidth = view.getWidth();
            int viewHeight = view.getHeight();

            int scrollTop = panorama.getScrollTop();
            int maxScrollTop = getMaxScrollTop();
            if (scrollTop > maxScrollTop) {
                panorama.setScrollTop(maxScrollTop);
                scrollTop = maxScrollTop;
            }

            int scrollLeft = panorama.getScrollLeft();
            int maxScrollLeft = getMaxScrollLeft();
            if (scrollLeft > maxScrollLeft) {
                panorama.setScrollLeft(maxScrollLeft);
                scrollLeft = maxScrollLeft;
            }

            if (width < viewWidth) {
                // Show east/west buttons
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    @Override
    public boolean mouseWheel(Component component, Mouse.ScrollType scrollType, int scrollAmount,
        int wheelRotation, int x, int y) {
        boolean consumed = false;

        Panorama panorama = (Panorama)getComponent();
        Component view = panorama.getView();

        if (view != null) {
            // The scroll orientation is tied to whether the shift key was
            // presssed while the mouse wheel was scrolled
            if (Keyboard.isPressed(Keyboard.Modifier.SHIFT)) {
                // Treat the mouse wheel as a horizontal scroll event
                int previousScrollLeft = panorama.getScrollLeft();
                int newScrollLeft = previousScrollLeft + (scrollAmount * wheelRotation *
                    (int)INITIAL_SCROLL_DISTANCE);

                if (wheelRotation > 0) {
                    int maxScrollLeft = getMaxScrollLeft();
                    newScrollLeft = Math.min(newScrollLeft, maxScrollLeft);

                    if (previousScrollLeft < maxScrollLeft) {
                        consumed = true;
                    }
                } else {
                    newScrollLeft = Math.max(newScrollLeft, 0);

                    if (previousScrollLeft > 0) {
                        consumed = true;
                    }
                }

                panorama.setScrollLeft(newScrollLeft);
            } else {
                // Treat the mouse wheel as a vertical scroll event
                int previousScrollTop = panorama.getScrollTop();
                int newScrollTop = previousScrollTop + (scrollAmount * wheelRotation *
                    (int)INITIAL_SCROLL_DISTANCE);

                if (wheelRotation > 0) {
                    int maxScrollTop = getMaxScrollTop();
                    newScrollTop = Math.min(newScrollTop, maxScrollTop);

                    if (previousScrollTop < maxScrollTop) {
                        consumed = true;
                    }
                } else {
                    newScrollTop = Math.max(newScrollTop, 0);

                    if (previousScrollTop > 0) {
                        consumed = true;
                    }
                }

                panorama.setScrollTop(newScrollTop);
            }
        }

        return consumed;
    }
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    }

    protected int getMaxScrollTop() {
        int maxScrollTop = 0;

        Panorama panorama = (Panorama)getComponent();
        int height = getHeight();

        Component view = panorama.getView();
        if (view != null) {
            maxScrollTop = Math.max(view.getHeight() - height, 0);
        }

        return maxScrollTop;
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    }

    protected int getMaxScrollLeft() {
        int maxScrollLeft = 0;

        Panorama panorama = (Panorama)getComponent();
        int width = getWidth();

        Component view = panorama.getView();
        if (view != null) {
            maxScrollLeft = Math.max(view.getWidth() - width, 0);
        }

        return maxScrollLeft;
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        return maxScrollLeft;
    }

    protected void updateScrollButtonVisibility() {
        Panorama panorama = (Panorama)getComponent();
        boolean mouseOver = panorama.isMouseOver();

        int scrollTop = panorama.getScrollTop();
        int maxScrollTop = getMaxScrollTop();
        northButton.setVisible((alwaysShowScrollButtons
            || mouseOver) && scrollTop > 0);
        southButton.setVisible((alwaysShowScrollButtons
            || mouseOver) && scrollTop < maxScrollTop);

        int scrollLeft = panorama.getScrollLeft();
        int maxScrollLeft = getMaxScrollLeft();
        westButton.setVisible((alwaysShowScrollButtons
            || mouseOver) && scrollLeft > 0);
        eastButton.setVisible((alwaysShowScrollButtons
            || mouseOver) && scrollLeft < maxScrollLeft);
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    }

    private class ScrollCallback implements Runnable {
        @Override
        public void run() {
            Panorama panorama = (Panorama)getComponent();

            if (northButton.isMouseOver()) {
                int scrollTop = Math.max(panorama.getScrollTop()
                    - (int)scrollDistance, 0);
                if (scrollTop == 0
                    && scheduledScrollCallback != null) {
                    scheduledScrollCallback.cancel();
                    scheduledScrollCallback = null;
                }

                panorama.setScrollTop(scrollTop);
            } else if (southButton.isMouseOver()) {
                int maxScrollTop = getMaxScrollTop();
                int scrollTop = Math.min(panorama.getScrollTop()
                    + (int)scrollDistance, maxScrollTop);
                if (scrollTop == maxScrollTop
                    && scheduledScrollCallback != null) {
                    scheduledScrollCallback.cancel();
                    scheduledScrollCallback = null;
                }

                panorama.setScrollTop(scrollTop);
            } else if (eastButton.isMouseOver()) {
                int maxScrollLeft = getMaxScrollLeft();
                int scrollLeft = Math.min(panorama.getScrollLeft()
                    + (int)scrollDistance, maxScrollLeft);
                if (scrollLeft == maxScrollLeft
                    && scheduledScrollCallback != null) {
                    scheduledScrollCallback.cancel();
                    scheduledScrollCallback = null;
                }

                panorama.setScrollLeft(scrollLeft);
            } else if (westButton.isMouseOver()) {
                int scrollLeft = Math.max(panorama.getScrollLeft()
                    - (int)scrollDistance, 0);
                if (scrollLeft == 0
                    && scheduledScrollCallback != null) {
                    scheduledScrollCallback.cancel();
                    scheduledScrollCallback = null;
                }

                panorama.setScrollLeft(scrollLeft);
            }

            scrollDistance = Math.min(scrollDistance * SCROLL_ACCELERATION,
                MAXIMUM_SCROLL_DISTANCE);
        }
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    public TerraMenuPopupSkin() {
        TerraTheme theme = (TerraTheme)Theme.getTheme();
        setBackgroundColor((Color)null);

        panorama = new Panorama();
        panorama.getStyles().put("buttonBackgroundColor", Color.WHITE);

        border = new Border(panorama);

        border.getStyles().put("color", theme.getColor(7));
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    public void startup(Display display, Map<String, String> properties)
        throws Exception {
        frame1 = new Frame();
        frame1.setTitle("Panorama Test 1");

        Panorama panorama = new Panorama();
        frame1.setContent(panorama);
        frame1.setPreferredSize(240, 320);

        ImageView imageView = new ImageView();
        imageView.setImage(getClass().getResource("IMG_0767_2.jpg"));
        panorama.setView(imageView);
        frame1.open(display);

        WTKXSerializer wtkxSerializer = new WTKXSerializer();
        frame2 = new Frame((Component)wtkxSerializer.readObject(getClass().getResource("panorama_test.wtkx")));
        frame2.setTitle("Panorama Test 2");
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    @Override
    public void install(Component component) {
        super.install(component);

        Panorama panorama = (Panorama)component;
        panorama.getViewportListeners().add(this);

        // Add scroll arrow link buttons and attach mouse listeners
        // to them; the mouse handlers should call setScrollTop() and
        // setScrollLeft() on the panorama as appropriate
        panorama.add(northButton);
        northButton.getComponentMouseListeners().add(buttonMouseListener);

        panorama.add(southButton);
        southButton.getComponentMouseListeners().add(buttonMouseListener);

        panorama.add(eastButton);
        eastButton.getComponentMouseListeners().add(buttonMouseListener);

        panorama.add(westButton);
        westButton.getComponentMouseListeners().add(buttonMouseListener);

        updateScrollButtonVisibility();
    }
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Related Classes of org.apache.pivot.wtk.Panorama

  • org.apache.pivot.tests.PanoramaTest
  • org.apache.pivot.wtk.skin.terra.TerraListButtonSkin
  • org.apache.pivot.wtk.skin.terra.TerraMenuPopupSkin
  • org.apache.pivot.wtk.skin.terra.TerraPanoramaSkin
  • org.apache.pivot.wtk.skin.terra.TerraPanoramaSkin$ScrollCallback
  • org.apache.pivot.wtk.skin.terra.TerraSuggestionPopupSkin
  • org.apache.pivot.wtk.test.PanoramaTest
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