Example usage for com.google.gwt.user.client Window getScrollTop

Introduction

In this page you can find the example usage for com.google.gwt.user.client Window getScrollTop.

Prototype

public static int getScrollTop() 

Source Link

Usage

From source file:cc.alcina.framework.gwt.client.util.WidgetUtils.java

License:Apache License

public static void scrollIntoViewWhileKeepingRect(Rect bounds, Widget widget, int pad) {
    // assume widget is below bounds
    int scrollTop = Window.getScrollTop();
    int clientHeight = Window.getClientHeight();
    int widgetTop = widget.getAbsoluteTop();
    int widgetHeight = widget.getOffsetHeight();
    if (widgetTop + widgetHeight + pad > scrollTop + clientHeight) {
        int bestDeltaDown = widgetTop + widgetHeight + pad - (scrollTop + clientHeight);
        int delta = Math.min(bounds.y1 - scrollTop, bestDeltaDown);
        delta = Math.max(0, delta);
        smoothScrollTo(scrollTop + delta, widget);
    }//from  w w w .  j av a 2s .  c  o  m
}

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From source file:cc.alcina.framework.gwt.client.util.WidgetUtils.java

License:Apache License

private static void debugScroll(String message) {
    if (debugScroll) {
        ClientNotifications.get()//from   w w  w  .  j av  a 2 s  . c  om
                .log(CommonUtils.formatJ("scroll from: %s,%s", Window.getScrollLeft(), Window.getScrollTop()));
        ClientNotifications.get().log(message);
    }
}

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From source file:cc.alcina.framework.gwt.client.widget.complex.SliderBar.java

License:Apache License

/**
 * Slide the knob to a new location./*from   w ww  .j  a v a 2 s .  c o m*/
 *
 * @param event
 *            the mouse event
 */
private void slideKnob(Event event) {
    int d = vertical ? DOM.eventGetClientY(event) + Window.getScrollTop()
            : DOM.eventGetClientX(event) + Window.getScrollLeft();
    if (d > 0) {
        int lineMajorDimension = getLineMajorDimension();
        int linePreOffset = vertical ? DOM.getAbsoluteTop(lineElement) : DOM.getAbsoluteLeft(lineElement);
        double percent = (double) (d - linePreOffset) / lineMajorDimension * 1.0;
        setCurrentValue(getTotalRange() * percent + minValue, true);
    }
}

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From source file:cc.alcina.framework.gwt.client.widget.dialog.GlassDialogBox.java

License:Apache License

@Override
public void show() {
    if (!isGlassHidden()) {
        glass.show(true);//from   ww w .  j a  v a  2 s  .c  o  m
    }
    scrollLeft = Window.getScrollLeft();
    scrollTop = Window.getScrollTop();
    if (this.handlerRegistration == null && !BrowserMod.isMobile()) {
        this.handlerRegistration = Window.addWindowScrollHandler(scrollHandler);
    }
    super.show();
}

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From source file:cc.alcina.framework.gwt.client.widget.dialog.RelativePopupPanel.java

License:Apache License

/**
 * Centers the popup in the browser window and shows it. If the popup was
 * already showing, then the popup is centered.
 *///from www  .  ja  v  a 2 s.c o m
public void center() {
    boolean initiallyShowing = showing;
    boolean initiallyAnimated = isAnimationEnabled;
    if (!initiallyShowing) {
        setVisible(false);
        setAnimationEnabled(false);
        show();
    }
    int left = (Window.getClientWidth() - getOffsetWidth()) >> 1;
    int top = (Window.getClientHeight() - getOffsetHeight()) >> 1;
    setPopupPosition(Math.max(Window.getScrollLeft() + left, 0), Math.max(Window.getScrollTop() + top, 0));
    if (!initiallyShowing) {
        setAnimationEnabled(initiallyAnimated);
        // Run the animation. The popup is already visible, so we can skip
        // the
        // call to setState.
        if (initiallyAnimated) {
            impl.setClip(getElement(), "rect(0px, 0px, 0px, 0px)");
            setVisible(true);
            resizeAnimation.run(ANIMATION_DURATION);
        } else {
            setVisible(true);
        }
    }
}

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From source file:cc.alcina.framework.gwt.client.widget.dialog.RelativePopupPanel.java

License:Apache License

/**
 * Positions the popup, called after the offset width and height of the
 * popup are known./*  ww w.  ja v a2s  .  c  om*/
 * 
 * @param relativeObject
 *            the ui object to position relative to
 * @param offsetWidth
 *            the drop down's offset width
 * @param offsetHeight
 *            the drop down's offset height
 */
private void position(final UIObject relativeObject, int offsetWidth, int offsetHeight) {
    // Calculate left position for the popup. The computation for
    // the left position is bidi-sensitive.
    int textBoxOffsetWidth = relativeObject.getOffsetWidth();
    // Compute the difference between the popup's width and the
    // textbox's width
    int offsetWidthDiff = offsetWidth - textBoxOffsetWidth;
    int left;
    if (LocaleInfo.getCurrentLocale().isRTL()) { // RTL case
        int textBoxAbsoluteLeft = relativeObject.getAbsoluteLeft();
        // Right-align the popup. Note that this computation is
        // valid in the case where offsetWidthDiff is negative.
        left = textBoxAbsoluteLeft - offsetWidthDiff;
        // If the suggestion popup is not as wide as the text box, always
        // align to the right edge of the text box. Otherwise, figure out
        // whether
        // to right-align or left-align the popup.
        if (offsetWidthDiff > 0) {
            // Make sure scrolling is taken into account, since
            // box.getAbsoluteLeft() takes scrolling into account.
            int windowRight = Window.getClientWidth() + Window.getScrollLeft();
            int windowLeft = Window.getScrollLeft();
            // Compute the left value for the right edge of the textbox
            int textBoxLeftValForRightEdge = textBoxAbsoluteLeft + textBoxOffsetWidth;
            // Distance from the right edge of the text box to the right
            // edge
            // of the window
            int distanceToWindowRight = windowRight - textBoxLeftValForRightEdge;
            // Distance from the right edge of the text box to the left edge
            // of the
            // window
            int distanceFromWindowLeft = textBoxLeftValForRightEdge - windowLeft;
            // If there is not enough space for the overflow of the popup's
            // width to the right of the text box and there IS enough space
            // for the
            // overflow to the right of the text box, then left-align the
            // popup.
            // However, if there is not enough space on either side, stick
            // with
            // right-alignment.
            if (distanceFromWindowLeft < offsetWidth && distanceToWindowRight >= offsetWidthDiff) {
                // Align with the left edge of the text box.
                left = textBoxAbsoluteLeft;
            }
        }
    } else { // LTR case
        // Left-align the popup.
        left = relativeObject.getAbsoluteLeft();
        // If the suggestion popup is not as wide as the text box, always
        // align to
        // the left edge of the text box. Otherwise, figure out whether to
        // left-align or right-align the popup.
        if (offsetWidthDiff > 0) {
            // Make sure scrolling is taken into account, since
            // box.getAbsoluteLeft() takes scrolling into account.
            int windowRight = Window.getClientWidth() + Window.getScrollLeft();
            int windowLeft = Window.getScrollLeft();
            // Distance from the left edge of the text box to the right edge
            // of the window
            int distanceToWindowRight = windowRight - left;
            // Distance from the left edge of the text box to the left edge
            // of the
            // window
            int distanceFromWindowLeft = left - windowLeft;
            // If there is not enough space for the overflow of the popup's
            // width to the right of hte text box, and there IS enough space
            // for the
            // overflow to the left of the text box, then right-align the
            // popup.
            // However, if there is not enough space on either side, then
            // stick with
            // left-alignment.
            if (distanceToWindowRight < offsetWidth && distanceFromWindowLeft >= offsetWidthDiff) {
                // Align with the right edge of the text box.
                left -= offsetWidthDiff;
            }
        }
    }
    // Calculate top position for the popup
    int top = relativeObject.getAbsoluteTop();
    // Make sure scrolling is taken into account, since
    // box.getAbsoluteTop() takes scrolling into account.
    int windowTop = Window.getScrollTop();
    int windowBottom = Window.getScrollTop() + Window.getClientHeight();
    // Distance from the top edge of the window to the top edge of the
    // text box
    int distanceFromWindowTop = top - windowTop;
    // Distance from the bottom edge of the window to the bottom edge of
    // the text box
    int distanceToWindowBottom = windowBottom - (top + relativeObject.getOffsetHeight());
    // If there is not enough space for the popup's height below the text
    // box and there IS enough space for the popup's height above the text
    // box, then then position the popup above the text box. However, if
    // there
    // is not enough space on either side, then stick with displaying the
    // popup below the text box.
    if (distanceToWindowBottom < offsetHeight && distanceFromWindowTop >= offsetHeight) {
        top -= offsetHeight;
    } else {
        // Position above the text box
        top += relativeObject.getOffsetHeight();
    }
    setPopupPosition(left, top);
}

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From source file:ch.sebastienzurfluh.swissmuseum.core.client.view.animations.ScrollToTheTop.java

License:Open Source License

private ScrollToTheTop() {
    origin = Window.getScrollTop();
}

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From source file:ch.sebastienzurfluh.swissmuseum.core.client.view.eventbushooks.ScrollToPanelOnEvent.java

License:Open Source License

@Override
public void notify(AbstractEvent e) {
    origin = Window.getScrollTop();
    destination = panel.getElement().getAbsoluteTop();

    run(400);
}

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From source file:ch.unifr.pai.twice.multipointer.client.MouseCursor.java

License:Apache License

/**
 * Reposition the mouse pointer to x and y coordinates
 * /*  www. ja v a  2  s  .c o  m*/
 * @param x
 * @param y
 */
private void move(int x, int y) {
    this.x = x;
    this.y = y;
    Element e = getElementFromPoint(x, y);
    int shrinkX = x + image.getOffsetWidth() - Window.getClientWidth() - Window.getScrollLeft();
    int shrinkY = y + image.getOffsetHeight() - Window.getClientHeight() - Window.getScrollTop();
    setWidth(Math.max(0, (image.getOffsetWidth() - (shrinkX > 0 ? shrinkX : 0))) + "px");
    setHeight(Math.max(0, (image.getOffsetHeight() - (shrinkY > 0 ? shrinkY : 0))) + "px");
    int clientX = x + Window.getScrollLeft();
    int clientY = y + Window.getScrollTop();
    if (!e.equals(oldElement)) {
        if (oldElement != null)
            fireMouseEvent("mouseout", uuid, color, oldElement, clientX, clientY);
        fireMouseEvent("mouseover", uuid, color, e, clientX, clientY);
    }
    fireMouseEvent("mousemove", uuid, color, e, clientX, clientY);
    oldElement = e;
    getElement().getStyle().setLeft(x, Unit.PX);
    getElement().getStyle().setTop(y, Unit.PX);
    if (storage != null) {
        storage.setItem("ch.unifr.pai.mice.multicursor.position." + fileName + ".x", String.valueOf(x));
        storage.setItem("ch.unifr.pai.mice.multicursor.position." + fileName + ".y", String.valueOf(y));
    }
}

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From source file:ch.unifr.pai.twice.multipointer.provider.client.MouseCursor.java

License:Apache License

/**
 * Reposition the mouse pointer to x and y coordinates
 * /* w  ww  .j a v a2 s .  com*/
 * @param event
 */
void move(RemoteMouseMoveEvent event) {
    genericEventHandling(event);
    this.x = event.x;
    this.y = event.y;
    Element e = getElementFromPoint(x, y);
    int shrinkX = x + image.getOffsetWidth() - Window.getClientWidth() - Window.getScrollLeft();
    int shrinkY = y + image.getOffsetHeight() - Window.getClientHeight() - Window.getScrollTop();
    setWidth(Math.max(0, (image.getOffsetWidth() - (shrinkX > 0 ? shrinkX : 0))) + "px");
    setHeight(Math.max(0, (image.getOffsetHeight() - (shrinkY > 0 ? shrinkY : 0))) + "px");
    int clientX = x + Window.getScrollLeft();
    int clientY = y + Window.getScrollTop();
    if (!e.equals(oldElement)) {
        if (oldElement != null)
            fireMouseEvent("mouseout", uuid, color, oldElement, clientX, clientY);
        fireMouseEvent("mouseover", uuid, color, e, clientX, clientY);
    }
    fireMouseEvent("mousemove", uuid, color, e, clientX, clientY);
    oldElement = e;
    getElement().getStyle().setLeft(x, Unit.PX);
    getElement().getStyle().setTop(y, Unit.PX);
    if (storage != null) {
        storage.setItem("ch.unifr.pai.mice.multicursor.position." + fileName + ".x", String.valueOf(x)); //old version mice
        storage.setItem("ch.unifr.pai.mice.multicursor.position." + fileName + ".y", String.valueOf(y)); //old version mice
    }

    show();
}

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