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:annis.gui.widgets.gwt.client.ui.VGripDragComponent.java

License:Apache License

private boolean startDrag(NativeEvent event) {
    VTransferable transferable = new VTransferable();
    transferable.setDragSource(ConnectorMap.get(client).getConnector(this));

    Element targetElement = (Element) event.getEventTarget().cast();

    Paintable paintable;//from   w  ww .  j  a v a2  s  .co  m
    Widget w = Util.findWidget(targetElement, null);

    if (!w.getStyleName().contains("drag-source-enabled")) {
        return false;
    }

    while (w != null && !(w instanceof Paintable)) {
        w = w.getParent();
    }
    paintable = (Paintable) w;

    transferable.setData("component", paintable);
    VDragEvent dragEvent = VDragAndDropManager.get().startDrag(transferable, event, true);

    transferable.setData("clientX", event.getClientX());
    transferable.setData("clientY", event.getClientY());

    dragEvent.createDragImage(getElement(), true);

    return true;

}

From source file:asquare.gwt.tk.client.ui.DropDownPanel.java

License:Apache License

@Override
public boolean remove(Widget w) {
    if (w.getParent() != this)
        throw new IllegalArgumentException();

    DOM.removeChild(m_contentDiv, w.getElement());
    return super.remove(w);
}

From source file:cc.alcina.framework.gwt.client.ide.widget.Toolbar.java

License:Apache License

@Override
public void onClick(ClickEvent event) {
    Widget sender = (Widget) event.getSource();
    if (sender.getParent() instanceof ToolbarButton) {
        ToolbarButton tb = (ToolbarButton) sender.getParent();
        vetoableActionSupport.fireVetoableActionEvent(new PermissibleActionEvent(sender, tb.getAction()));
    }/*from w  w w  .j a v a 2  s .  c o m*/
}

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

License:Apache License

@SuppressWarnings("unchecked")
public static <W extends Widget> W getParentWidget(Widget w, Class<W> widgetClass) {
    while (w != null) {
        if (w.getClass() == widgetClass) {
            return (W) w;
        }//from   w ww .  ja  v  a2s.co  m
        w = w.getParent();
    }
    return null;
}

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

License:Apache License

@SuppressWarnings("unchecked")
public static <W extends Widget> W getParentWidget(Widget w, String widgetClassName) {
    while (w != null) {
        if (CommonUtils.simpleClassName(w.getClass()).equals(widgetClassName)) {
            return (W) w;
        }//from  w  ww . ja  v a2  s . c  o  m
        w = w.getParent();
    }
    return null;
}

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

License:Apache License

@SuppressWarnings("unchecked")
public static Widget getParentWidgetSatisfyingCallback(Widget w, CollectionFilter<Object> callback) {
    while (w != null) {
        if (callback.allow(w)) {
            return w;
        }//from   w w  w.j  a va 2 s  . c o m
        w = w.getParent();
    }
    return null;
}

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

License:Apache License

@SuppressWarnings("unchecked")
public static <T extends Widget> T getParentWidgetSatisfyingTypedCallback(Widget w,
        CollectionFilter<Widget> callback) {
    while (w != null) {
        if (callback.allow(w)) {
            return (T) w;
        }//  www .java 2  s .  c om
        w = w.getParent();
    }
    return null;
}

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

License:Apache License

public static Widget getPositioningParent(Widget widget) {
    while (widget.getParent() != null) {
        String pos = getComputedStyle(widget.getElement(), "position");
        if (pos != null && (pos.equals("relative") || pos.equals("absolute"))) {
            return widget;
        }/*from   w w w  . java 2s. c  o  m*/
        widget = widget.getParent();
    }
    return widget;// root panel
}

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

License:Apache License

public static void maximiseWidget(Widget widget) {
    restoreFromMaximise();//from  w  w w  .  j  a v a 2s . co  m
    hiddenWidgets = new ArrayList<Widget>();
    morphedWidgets = new ArrayList<SplitLayoutPanel>();
    elementLayouts = new ArrayList<ElementLayout>();
    Element e = widget.getElement();
    while (widget.getParent() != null) {
        Widget parent = widget.getParent();
        if (parent instanceof SplitLayoutPanel) {
            morphSplitPanel((SplitLayoutPanel) parent, widget, false);
        } else if (parent instanceof HasWidgets && !(parent instanceof TabPanel)) {
            HasWidgets hw = (HasWidgets) parent;
            for (Iterator<Widget> itr = hw.iterator(); itr.hasNext();) {
                Widget w = itr.next();
                if (w != widget && w.isVisible()) {
                    hiddenWidgets.add(w);
                    w.setVisible(false);
                }
            }
        }
        widget = widget.getParent();
    }
    while (e.getParentElement() != RootPanel.get().getElement()) {
        ElementLayout layout = new ElementLayout(e);
        elementLayouts.add(layout);
        layout.maximise();
        e = e.getParentElement();
    }
}

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

License:Apache License

public static void replace(Widget current, Widget newWidget, Panel parent) {
    if (parent == null) {
        parent = (Panel) current.getParent();
    }/*from ww  w  .  ja v a  2s. com*/
    if (current == null || current.getParent() != parent) {
        parent.add(newWidget);
        return;
    }
    if (parent instanceof SimplePanel) {
        ((SimplePanel) parent).setWidget(newWidget);
        return;
    }
    ComplexPanel cp = (ComplexPanel) parent;
    int index = cp.getWidgetIndex(current);
    cp.remove(index);
    if (cp instanceof FlowPanel) {
        FlowPanel fp = (FlowPanel) cp;
        fp.insert(newWidget, index);
    }
}