Example usage for com.google.gwt.user.client.ui ScrollPanel setVerticalScrollPosition

Introduction

In this page you can find the example usage for com.google.gwt.user.client.ui ScrollPanel setVerticalScrollPosition.

Prototype

@Override
    public void setVerticalScrollPosition(int position) 

Source Link

Usage

From source file:cl.uai.client.page.MarkingPage.java

License:Open Source License

/**
 * Highlight a particular mark within the page
 * /*from  ww w  . j a  v a  2  s.  co  m*/
 * @param markId the mark's id
 */
public void highlightRubricMark(int markId) {
    if (!(marks.get(markId) instanceof RubricMark)) {
        return;
    }
    RubricMark mark = (RubricMark) marks.get(markId);
    ScrollPanel scrollPanel = EMarkingWeb.markingInterface.getMarkingPagesInterface().getScrollPanel();
    int top = scrollPanel.getVerticalScrollPosition() + (mark.getAbsoluteTop() - scrollPanel.getAbsoluteTop());
    scrollPanel.setVerticalScrollPosition(top);
}

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From source file:cl.uai.client.rubric.RubricPanel.java

License:Open Source License

/**
 * Highlights a criterion within the rubric panel
 * // www .jav a  2s.co  m
 * @param criterionid id of the criterion to highlight
 */
public void highlightRubricCriterion(int criterionid) {
    // Find the row in the hash map
    FlowPanel hpanel = rubricRows.get(criterionid);
    if (hpanel == null)
        return;

    // Remove style in case it already has it
    hpanel.removeStyleName(Resources.INSTANCE.css().rubricmarkhover());
    hpanel.addStyleName(Resources.INSTANCE.css().rubricmarkhover());

    Criterion criterion = MarkingInterface.submissionData.getRubricfillings().get(criterionid);

    // If the marked criteria is shown, scroll to it
    if (isCriterionVisible(criterion)) {
        ScrollPanel scrollPanel = (ScrollPanel) this.getParent();
        int top = scrollPanel.getVerticalScrollPosition()
                + (hpanel.getAbsoluteTop() - scrollPanel.getAbsoluteTop());
        scrollPanel.setVerticalScrollPosition(top);
    }
}

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From source file:com.alkacon.geranium.client.util.ScrollToBottomHandler.java

License:Open Source License

/**
 * @see com.google.gwt.event.dom.client.ScrollHandler#onScroll(com.google.gwt.event.dom.client.ScrollEvent)
 *//*from   w  w w.  j a va 2  s.  co  m*/
public void onScroll(ScrollEvent event) {

    if (!m_enabled) {
        return;
    }
    final ScrollPanel scrollPanel = (ScrollPanel) event.getSource();
    final int scrollPos = scrollPanel.getVerticalScrollPosition();
    Widget child = scrollPanel.getWidget();
    int childHeight = child.getOffsetHeight();
    int ownHeight = scrollPanel.getOffsetHeight();
    boolean isBottom = (scrollPos + ownHeight) >= (childHeight - m_scrollThreshold);
    if (isBottom) {
        m_callback.run();
        m_enabled = false;
        scrollPanel.setVerticalScrollPosition(scrollPos);
        Scheduler.get().scheduleDeferred(new ScheduledCommand() {

            /**
             * @see com.google.gwt.core.client.Scheduler.ScheduledCommand#execute()
             */
            public void execute() {

                scrollPanel.setVerticalScrollPosition(scrollPos);
                m_enabled = true;
            }
        });
    }
}

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From source file:org.opencms.ade.galleries.client.ui.CmsResultsTab.java

License:Open Source License

/**
 * Scrolls to the result which corresponds to a preset value in the editor.<p>
 *//*from  w  w w  . j  a v  a  2  s. c om*/
protected void scrollToPreset() {

    final ScrollPanel scrollPanel = getList();
    if (m_preset != null) {
        Widget child = scrollPanel.getWidget();
        if (child instanceof CmsList<?>) {
            @SuppressWarnings("unchecked")
            CmsList<I_CmsListItem> list = (CmsList<I_CmsListItem>) child;
            if (list.getWidgetCount() > 0) {
                final Widget first = (Widget) list.getItem(0);
                Timer timer = new Timer() {

                    @Override
                    public void run() {

                        int firstTop = first.getElement().getAbsoluteTop();
                        int presetTop = m_preset.getElement().getAbsoluteTop();
                        final int offset = presetTop - firstTop;
                        if (offset >= 0) {
                            scrollPanel.setVerticalScrollPosition(offset);
                        } else {
                            // something is seriously wrong with the positioning if this case occurs   
                            scrollPanel.scrollToBottom();
                        }
                    }
                };
                timer.schedule(10);
            }
        }
    }
}

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From source file:org.opencms.gwt.client.util.CmsScrollToBottomHandler.java

License:Open Source License

/**
 * @see com.google.gwt.event.dom.client.ScrollHandler#onScroll(com.google.gwt.event.dom.client.ScrollEvent)
 *//*from   w ww .jav a2 s  .  c  o m*/
public void onScroll(ScrollEvent event) {

    if (!m_enabled) {
        return;
    }
    final ScrollPanel scrollPanel = (ScrollPanel) event.getSource();
    final int scrollPos = scrollPanel.getVerticalScrollPosition();
    Widget child = scrollPanel.getWidget();
    int childHeight = child.getOffsetHeight();
    int ownHeight = scrollPanel.getOffsetHeight();
    boolean isBottom = scrollPos + ownHeight >= childHeight - m_scrollThreshold;
    if (isBottom) {
        m_callback.run();
        m_enabled = false;
        scrollPanel.setVerticalScrollPosition(scrollPos);
        Scheduler.get().scheduleDeferred(new ScheduledCommand() {

            /**
             * @see com.google.gwt.core.client.Scheduler.ScheduledCommand#execute()
             */
            public void execute() {

                scrollPanel.setVerticalScrollPosition(scrollPos);
                m_enabled = true;
            }
        });
    }
}

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From source file:org.rstudio.core.client.widget.VirtualizedDataGrid.java

License:Open Source License

public final void setVerticalScrollPosition(int position) {
    ScrollPanel panel = getScrollPanel();
    panel.setVerticalScrollPosition(position);
}

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From source file:org.rstudio.studio.client.workbench.views.vcs.git.dialog.GitReviewPanel.java

License:Open Source License

private void scrollBy(ScrollPanel scrollPanel, int vscroll, int hscroll) {
    if (vscroll != 0) {
        scrollPanel.setVerticalScrollPosition(Math.max(0, scrollPanel.getVerticalScrollPosition() + vscroll));
    }// w w  w.j  av a  2 s .  c  o  m

    if (hscroll != 0) {
        scrollPanel
                .setHorizontalScrollPosition(Math.max(0, scrollPanel.getHorizontalScrollPosition() + hscroll));
    }
}

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