Package com.vaadin.client.ui

Examples of com.vaadin.client.ui.VPanel

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    private Integer uidlScrollLeft;

    @Override
    public void init() {
        super.init();
        VPanel panel = getWidget();
        LayoutManager layoutManager = getLayoutManager();

        layoutManager.registerDependency(this, panel.captionNode);
        layoutManager.registerDependency(this, panel.bottomDecoration);
        layoutManager.registerDependency(this, panel.contentNode);
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        layoutManager.registerDependency(this, panel.contentNode);
    }

    @Override
    public void onUnregister() {
        VPanel panel = getWidget();
        LayoutManager layoutManager = getLayoutManager();

        layoutManager.unregisterDependency(this, panel.captionNode);
        layoutManager.unregisterDependency(this, panel.bottomDecoration);
        layoutManager.unregisterDependency(this, panel.contentNode);
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    public void layout() {
        updateSizes();
    }

    void updateSizes() {
        VPanel panel = getWidget();

        LayoutManager layoutManager = getLayoutManager();
        Profiler.enter("PanelConnector.layout getHeights");
        int top = layoutManager.getOuterHeight(panel.captionNode);
        int bottom = layoutManager.getInnerHeight(panel.bottomDecoration);
        Profiler.leave("PanelConnector.layout getHeights");

        Profiler.enter("PanelConnector.layout modify style");
        Style style = panel.getElement().getStyle();
        panel.captionNode.getParentElement().getStyle()
                .setMarginTop(-top, Unit.PX);
        panel.bottomDecoration.getStyle().setMarginBottom(-bottom, Unit.PX);
        style.setPaddingTop(top, Unit.PX);
        style.setPaddingBottom(bottom, Unit.PX);
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        Profiler.leave("PanelConnector.layout read scroll positions");
    }

    @Override
    public void postLayout() {
        VPanel panel = getWidget();
        if (uidlScrollTop != null) {
            panel.contentNode.setScrollTop(uidlScrollTop.intValue());
            // Read actual value back to ensure update logic is correct
            // TODO Does this trigger reflows?
            panel.scrollTop = panel.contentNode.getScrollTop();
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Related Classes of com.vaadin.client.ui.VPanel

  • com.google.gwt.dom.client.DivElement
  • com.vaadin.client.ui.panel.PanelConnector
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