var cytoscape = require('cytoscape');
var panzoom = require('cytoscape-panzoom');

panzoom( cytoscape ); // register extension

// you can pass a custom version of jquery outside of the path
// panzoom( cytoscape, $ ); // you shouldn't do this in a modern project...

require(['cytoscape', 'jquery', 'cytoscape-panzoom'], function( cytoscape, $, panzoom ){
  panzoom( cytoscape, $ ); // register extension
});

// the default values of each option are outlined below:
var defaults = {
  zoomFactor: 0.05, // zoom factor per zoom tick
  zoomDelay: 45, // how many ms between zoom ticks
  minZoom: 0.1, // min zoom level
  maxZoom: 10, // max zoom level
  fitPadding: 50, // padding when fitting
  panSpeed: 10, // how many ms in between pan ticks
  panDistance: 10, // max pan distance per tick
  panDragAreaSize: 75, // the length of the pan drag box in which the vector for panning is calculated (bigger = finer control of pan speed and direction)
  panMinPercentSpeed: 0.25, // the slowest speed we can pan by (as a percent of panSpeed)
  panInactiveArea: 8, // radius of inactive area in pan drag box
  panIndicatorMinOpacity: 0.5, // min opacity of pan indicator (the draggable nib); scales from this to 1.0
  zoomOnly: false, // a minimal version of the ui only with zooming (useful on systems with bad mousewheel resolution)
  fitSelector: undefined, // selector of elements to fit
  animateOnFit: function(){ // whether to animate on fit
    return false;
  },
  fitAnimationDuration: 1000, // duration of animation on fit

  // icon class names
  sliderHandleIcon: 'fa fa-minus',
  zoomInIcon: 'fa fa-plus',
  zoomOutIcon: 'fa fa-minus',
  resetIcon: 'fa fa-expand'
};

// add the panzoom control
cy.panzoom( defaults );

// destroy the panzoom control
cy.panzoom('destroy');