Example usage for com.google.gwt.user.client.ui Widget getParent

Introduction

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

Prototype

public Widget getParent() 

Source Link

Document

Gets this widget's parent panel.

Usage

From source file:com.cgxlib.xq.client.plugins.widgets.WidgetsUtils.java

License:Apache License

/**
 * This method detach a widget of its parent without doing a physical
 * detach (DOM manipulation).//from  w  w w . jav  a  2  s  . c o  m
 */
public static void doLogicalDetachFromHtmlPanel(Widget w) {
    Widget parent = w.getParent();

    if (parent instanceof HTMLPanel) {
        complexPanelGetChildren((HTMLPanel) parent).remove(w);
        widgetSetParent(w, null);
    } else {
        throw new IllegalStateException("You can only use this method to detach a child from an HTMLPanel");
    }
}

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From source file:com.dianaui.universal.core.client.ui.base.ValueBoxErrorSupport.java

License:Apache License

/**
 * Find the sibling {@link HelpBlock}./*from  www.  j  a  va 2 s.  c  o m*/
 *
 * @param widget the {@link Widget} to search.
 * @return the found {@link HelpBlock} of null if not found.
 */
private HelpBlock findHelpBlock(Widget widget) {
    if (widget instanceof HelpBlock)
        return (HelpBlock) widget;
    // Try and find the HelpBlock in the children of the given widget.
    if (widget instanceof HasWidgets) {
        for (Widget w : (HasWidgets) widget) {
            if (w instanceof HelpBlock)
                return (HelpBlock) w;
        }
    }
    if (!(widget instanceof HasValidationState)) {
        // Try and find the HelpBlock in the parent of widget.
        return findHelpBlock(widget.getParent());
    }
    return null;
}

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From source file:com.dianaui.universal.core.client.ui.base.ValueBoxErrorSupport.java

License:Apache License

/**
 * Initialize the instance. We find the parent {@link HasValidationState} and sibling {@link HelpBlock}
 * only 1 time on initialization.//from  w  w  w  .  ja v a2  s. com
 */
public void init() {
    if (initialized)
        return;
    initialized = true;
    Widget parent = inputWidget.getParent();
    while (parent != null && !parent.getClass().getName().equals("com.google.gwt.user.client.ui.Widget")) {
        if (parent instanceof HasValidationState) {
            validationStateParent = (HasValidationState) parent;
            validationStateHelpBlock = findHelpBlock(inputWidget);
        }
        parent = parent.getParent();
    }
}

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From source file:com.eas.widgets.boxes.DateTimeBox.java

@Override
protected void onAttach() {
    super.onAttach();
    redecorate();//  ww w.j a v a 2 s . co m
    Widget lParent = getParent();
    while (lParent != null && !(lParent instanceof AutoCloseBox)) {
        lParent = lParent.getParent();
    }
    if (lParent instanceof AutoCloseBox)
        autoCloseParent = (AutoCloseBox) lParent;
    if (autoCloseParent != null) {
        autoCloseParent.addAutoHidePartner(popup.getElement());
    }
}

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From source file:com.eas.widgets.containers.AnchorsPanel.java

public void ajustDisplay(Widget child) {
    if (child.getParent() == this) {
        Element el = getWidgetContainerElement(child);
        boolean visible = !child.getElement().hasAttribute("aria-hidden");
        if (visible) {
            el.getStyle().clearDisplay();
            if (child instanceof RequiresResize) {
                ((RequiresResize) child).onResize();
            }// ww w .  jav  a  2s  . co m
        } else {
            el.getStyle().setDisplay(Style.Display.NONE);
        }
    }
}

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From source file:com.example.querybuilder.client.Utilities.java

License:Open Source License

public static Window getWindow(Widget widget) {
    while (widget != null) {
        if (widget instanceof Window) {
            return (Window) widget;
        }// w w  w . j ava 2  s.com
        widget = widget.getParent();
    }
    return null;
}

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From source file:com.extjs.gxt.ui.client.aria.ContentPanelNavigationHandler.java

License:sencha.com license

public List<Widget> getOrderedWidgets(Widget widget) {
    ContentPanel panel = null;/*from  w  ww .j a v a 2s.  co m*/
    if (widget instanceof HorizontalPanel) {
        panel = (ContentPanel) widget.getParent().getParent();
    } else if (widget.getParent() instanceof ContentPanel) {
        panel = (ContentPanel) widget.getParent();
    } else {
        panel = (ContentPanel) widget;
    }

    List<Widget> widgets = new ArrayList<Widget>();

    Header header = panel.getHeader();
    for (int i = 0, len = header.getTools().size(); i < len; i++) {
        widgets.add(header.getTool(i));
    }

    if (panel.getTopComponent() != null) {
        widgets.add(panel.getTopComponent());
    }

    for (int i = 0, len = panel.getItemCount(); i < len; i++) {
        widgets.add(panel.getItem(i));
    }

    if (panel.getBottomComponent() != null) {
        widgets.add(panel.getBottomComponent());
    }

    if (panel.getButtonBar() != null && panel.getButtonBar().getItemCount() > 0) {
        widgets.add(panel.getButtonBar());
    }

    if (panel instanceof CollapsePanel) {
        widgets.add(((CollapsePanel) panel).getCollapseButton());
    }
    return widgets;
}

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From source file:com.extjs.gxt.ui.client.aria.DefaultHandler.java

License:sencha.com license

@SuppressWarnings("rawtypes")
@Override/*  w ww  .j a v a 2 s .c om*/
public void onTab(Component component, PreviewEvent pe) {
    if (!isManaged())
        return;

    if (component.getFocusSupport().isIgnore()) {
        return;
    }
    if (pe.isShiftKey()) {
        if (focusPreviousWidget(component)) {
            pe.stopEvent();
        } else {
            Widget w = component.getParent();
            while (w != null) {
                if (w instanceof RootPanel) {
                    // do nothing leave app
                    return;
                } else if (w instanceof Component) {
                    Component c = (Component) w;
                    if (c.getFocusSupport().isIgnore()) {
                        w = w.getParent();
                    } else {
                        w = null;
                        pe.stopEvent();
                    }
                }
            }
        }
    } else {
        if (focusNextWidget(component)) {
            pe.stopEvent();
        } else {
            if (!(component.getParent() instanceof RootPanel)) {
                Widget p = component.getParent();
                if (p instanceof Container) {
                    Container c = (Container) p;
                    if (c.getItemCount() == 1) {
                        if (c.getParent() instanceof RootPanel) {
                            pe.stopEvent();
                            onStepOutApp();
                            return;
                        }
                    }
                }
                pe.stopEvent();
            } else {
                pe.stopEvent();
                onStepOutApp();
            }
        }
    }
}

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From source file:com.extjs.gxt.ui.client.aria.FocusHandler.java

License:sencha.com license

@SuppressWarnings({ "unchecked", "rawtypes" })
public static boolean focusNextWidget(Widget c) {
    if (c instanceof Component) {
        Component comp = (Component) c;
        if (forwardIfOverride(comp)) {
            return true;
        }//from w w  w  .  j  ava  2s .  c o  m
    }
    Widget p = c.getParent();

    List<Widget> widgets = null;

    NavigationHandler handler = null;
    if (p instanceof Component) {
        handler = findNavigationHandler((Component) p);
    }
    if (handler != null) {
        widgets = handler.getOrderedWidgets(p);
    } else if (p instanceof Container) {
        Container con = (Container) p;
        widgets = con.getItems();
    } else if (p instanceof HasWidgets) {
        HasWidgets hs = (HasWidgets) p;
        widgets = new ArrayList<Widget>();
        Iterator<Widget> it = hs.iterator();
        while (it.hasNext()) {
            widgets.add(it.next());
        }
    }
    if (widgets == null || widgets.size() == 1) {
        return false;
    }
    int idx = widgets.indexOf(c);
    if (idx != -1) {
        idx = idx == widgets.size() - 1 ? 0 : ++idx;
        return focusWidget(widgets.get(idx));
    }
    return false;
}

---

From source file:com.extjs.gxt.ui.client.aria.FocusHandler.java

License:sencha.com license

@SuppressWarnings({ "rawtypes", "unchecked" })
protected static Widget findNextWidget(Widget c) {
    if (c instanceof Component) {
        Component comp = (Component) c;
        if (findForwardOverride(comp) != null) {
            return findForwardOverride(comp);
        }/*  w  ww.jav a2s .  c o m*/
    }
    Widget p = c.getParent();

    List<Widget> widgets = null;

    NavigationHandler handler = null;
    if (p instanceof Component) {
        handler = findNavigationHandler((Component) p);
    }
    if (handler != null) {
        widgets = handler.getOrderedWidgets(p);
    } else if (p instanceof Container) {
        Container con = (Container) p;
        widgets = con.getItems();
    } else if (p instanceof HasWidgets) {
        HasWidgets hs = (HasWidgets) p;
        widgets = new ArrayList<Widget>();
        Iterator<Widget> it = hs.iterator();
        while (it.hasNext()) {
            widgets.add(it.next());
        }
    }
    if (widgets == null) {
        return null;
    }
    int idx = widgets.indexOf(c);
    if (idx != -1) {
        Widget w = null;
        if (idx == widgets.size() - 1 && widgets.size() > 1) {
            w = widgets.get(0);
        } else if (idx != widgets.size() - 1) {
            w = widgets.get(idx + 1);

        }
        if (isIgnore(w)) {
            return findNextWidget(w);
        }
        return w;
    }
    return null;
}

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