Examples with DragObject org.opennms.features.topology.app.internal.gwt.client.handler.DragObject used on opensource projects

Example 1 with DragObject

use of org.opennms.features.topology.app.internal.gwt.client.handler.DragObject in project opennms by OpenNMS.

the class VTopologyComponent method vertexDragStartHandler.

private Handler<GWTVertex> vertexDragStartHandler() {
    return new Handler<GWTVertex>() {

        @Override
        public void call(GWTVertex vertex, int index) {
            NativeEvent event = D3.getEvent();
            Element draggableElement = Element.as(event.getEventTarget()).getParentElement();
            D3 selection = null;
            boolean isSelected = draggableElement.getAttribute("class").equals("vertex selected");
            if (isSelected) {
                selection = D3.d3().selectAll(GWTVertex.SELECTED_VERTEX_CLASS_NAME);
            } else {
                selection = D3.d3().select(Element.as(event.getEventTarget()).getParentElement());
            }
            m_dragObject = new DragObject(VTopologyComponent.this.m_topologyView, draggableElement, m_topologyView.getSVGViewPort(), selection);
            D3.getEvent().preventDefault();
            D3.getEvent().stopPropagation();
        }
    };
}