Example usage for com.google.gwt.query.client GQuery parents

Introduction

In this page you can find the example usage for com.google.gwt.query.client GQuery parents.

Prototype

public GQuery parents() 

Source Link

Document

Get a set of elements containing the unique ancestors of the matched set of elements (except for the root element).

Usage

From source file:com.arcbees.chosen.client.ChosenImpl.java

License:Apache License

private boolean isDetached(GQuery element) {
    return element.parents().filter("body").isEmpty();
}

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From source file:gwtquery.plugins.draggable.client.DraggableHandler.java

License:Apache License

private boolean isElementAttached(GQuery $element) {
    // normally this test helper.parents().filter("body").length() == 0 is
    // sufficient but they are a bug in gwtquery in filter function
    // return helper.parents().filter("body").length() == 0;
    GQuery parents = $element.parents();
    for (Element parent : parents.elements()) {
        if (parent == body) {
            return true;
        }//from w w w  .  j  av a 2s  .co m
    }
    return false;
}

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From source file:gwtquery.plugins.selectable.client.Selectable.java

License:Apache License

protected void onSelectionStart(Element selectable, GqEvent event) {

    trigger(new SelectionStartEvent(selectable), options.getOnStartSelection(), selectable);

    if (isLassoSelectionEnable(event)) {
        opos = new int[] { event.pageX(), event.pageY() };
        lasso.show(opos[0], opos[1], options.getAppendTo());
    }/*from  w w  w.  j  a v a2 s.c o m*/

    if (options.isAutoRefresh()) {
        refreshSelectees(selectable);
    }

    GQuery selectedSelectees = $(selectable).data(SELECTEES_KEY, GQuery.class)
            .filter("." + CssClassNames.UI_SELECTED);

    for (Element e : selectedSelectees.elements()) {
        SelectableItem si = $(e).data(SELECTABLE_ITEM_KEY, SelectableItem.class);
        si.setStartSelected(true);
        // if not meta-key or ctrl-keypressed, unselect elements
        if (!isMetaKeyEnabled(event)) {
            si.unselecting();
            trigger(new UnselectingEvent(e), options.getOnUnselecting(), e);
        }
    }

    // remove old selected (case where filter was change before this
    // selection) if no meta-key was pressed
    if (!isMetaKeyEnabled(event)) {
        GQuery oldSelected = $('.' + CssClassNames.UI_SELECTED, selectable);
        for (Element e : oldSelected.elements()) {
            SelectableItem si = $(e).data(SELECTABLE_ITEM_KEY, SelectableItem.class);
            if (si == null) { // old selectee
                e.removeClassName(CssClassNames.UI_SELECTED);
                trigger(new UnselectedEvent(e), options.getOnUnselected(), e);
            }
        }
    }

    // retrieve the element that was the target of the event and its parents
    // (maybe one of the parent is the selectee)
    GQuery eventTarget = $((Element) event.getEventTarget().cast());
    GQuery parentsAndSelf = eventTarget.parents().add(eventTarget);
    for (Element e : parentsAndSelf.elements()) {
        SelectableItem si = $(e).data(SELECTABLE_ITEM_KEY, SelectableItem.class);
        if (si != null) {
            // ok a selectable-item exists on the element...
            // it is a selectable element
            boolean doSelection = !isMetaKeyEnabled(event) || !si.isSelected();
            if (doSelection) {
                si.selecting();
                trigger(new SelectingEvent(e), options.getOnSelecting(), e);
            } else {
                si.unselecting();
                trigger(new UnselectingEvent(e), options.getOnUnselecting(), e);
            }

        }
    }
}

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