/** * Set the pan event handler associated with this canvas. * * @param handler the new zoom event handler */ public void setPanEventHandler(final PPanEventHandler handler) { if (panEventHandler != null) { removeInputEventListener(panEventHandler); } panEventHandler = handler; if (panEventHandler != null) { addInputEventListener(panEventHandler); } }
/** * Set the zoom event handler associated with this canvas. * * @param handler the new zoom event handler */ public void setZoomEventHandler(final PZoomEventHandler handler) { if (zoomEventHandler != null) { removeInputEventListener(zoomEventHandler); } zoomEventHandler = handler; if (zoomEventHandler != null) { addInputEventListener(zoomEventHandler); } }