Examples with VAcceptCallback com.vaadin.client.ui.dd.VAcceptCallback used on opensource projects

Example 11 with VAcceptCallback

use of com.vaadin.client.ui.dd.VAcceptCallback in project cuba by cuba-platform.

the class VDDHorizontalLayoutDropHandler method dragOver.

@Override
public void dragOver(VDragEvent drag) {
    // Remove any emphasis
    getLayout().emphasis(null, null);
    Slot slot = getSlot(drag.getElementOver(), drag.getCurrentGwtEvent());
    if (slot != null) {
        getLayout().updateDragDetails(slot, drag);
    } else {
        getLayout().updateDragDetails(getLayout(), drag);
    }
    getLayout().postOverHook(drag);
    // Validate the drop
    validate(new VAcceptCallback() {

        public void accepted(VDragEvent event) {
            Slot slot = getSlot(event.getElementOver(), event.getCurrentGwtEvent());
            if (slot != null) {
                getLayout().emphasis(slot, event);
            } else {
                getLayout().emphasis(getLayout(), event);
            }
        }
    }, drag);
}

Example 12 with VAcceptCallback

use of com.vaadin.client.ui.dd.VAcceptCallback in project cuba by cuba-platform.

the class VDDVerticalSplitPanelDropHandler method dragOver.

@Override
public void dragOver(VDragEvent drag) {
    getLayout().deEmphasis();
    getLayout().updateDragDetails(drag);
    getLayout().postOverHook(drag);
    ComponentConnector widgetConnector = (ComponentConnector) drag.getTransferable().getData(Constants.TRANSFERABLE_DETAIL_COMPONENT);
    if (widgetConnector != null && getLayout().equals(widgetConnector.getWidget())) {
        return;
    }
    // Validate the drop
    validate(new VAcceptCallback() {

        public void accepted(VDragEvent event) {
            getLayout().emphasis(event.getElementOver());
        }
    }, drag);
}