nl_tokens: Setup zoom event listeners which update the state
pl_tokens: function synchronizeZoom ( options , configuration , watcher ) { if ( angular . isObject ( options . chart ) && angular . isObject ( options . chart . zoom ) && <mask> . chart . zoom . enabled === true ) { // setup onzoomend listener configuration . zoom . onzoomend = function ( domain ) { // update state AngularChartWatcher . updateState ( watcher , function ( ) { createZoomRangePath ( options ) ; options . state . range = domain ; } ) ; // call user defined callback if ( angular . isFunction ( options . chart . zoom . onzoomend ) ) { AngularChartWatcher . applyFunction ( watcher , function ( ) { options . chart . zoom . onzoomend ( domain ) ; } ) ; } } ; } if ( angular . isObject ( options . chart ) && angular . isObject ( options . chart . subchart ) && options . chart . subchart . show === true ) { // setup onbrush listener configuration . subchart . onbrush = function ( domain ) { // update state AngularChartWatcher . updateState ( watcher , function ( ) { createZoomRangePath ( options ) ; options . state . range = domain ; } ) ; // call user defined callback if ( angular . isFunction ( options . chart . subchart . onbrush ) ) { AngularChartWatcher . applyFunction ( watcher , function ( ) { options . chart . subchart . onbrush ( domain ) ; } ) ; } } ; } }