calculations: function()

in site/semantic/src/definitions/modules/popup.js [503:580]
69 lines of code
11 McCabe index (conditional complexity)

          calculations: function() {
            var
              targetElement    = $target[0],
              isWindow         = ($boundary[0] == window),
              targetPosition   = (settings.inline || (settings.popup && settings.movePopup))
                ? $target.position()
                : $target.offset(),
              screenPosition = (isWindow)
                ? { top: 0, left: 0 }
                : $boundary.offset(),
              calculations   = {},
              scroll = (isWindow)
                ? { top: $window.scrollTop(), left: $window.scrollLeft() }
                : { top: 0, left: 0},
              screen
            ;
            calculations = {
              // element which is launching popup
              target : {
                element : $target[0],
                width   : $target.outerWidth(),
                height  : $target.outerHeight(),
                top     : targetPosition.top,
                left    : targetPosition.left,
                margin  : {}
              },
              // popup itself
              popup : {
                width  : $popup.outerWidth(),
                height : $popup.outerHeight()
              },
              // offset container (or 3d context)
              parent : {
                width  : $offsetParent.outerWidth(),
                height : $offsetParent.outerHeight()
              },
              // screen boundaries
              screen : {
                top  : screenPosition.top,
                left : screenPosition.left,
                scroll: {
                  top  : scroll.top,
                  left : scroll.left
                },
                width  : $boundary.width(),
                height : $boundary.height()
              }
            };

            // add in container calcs if fluid
            if( settings.setFluidWidth && module.is.fluid() ) {
              calculations.container = {
                width: $popup.parent().outerWidth()
              };
              calculations.popup.width = calculations.container.width;
            }

            // add in margins if inline
            calculations.target.margin.top = (settings.inline)
              ? parseInt( window.getComputedStyle(targetElement).getPropertyValue('margin-top'), 10)
              : 0
            ;
            calculations.target.margin.left = (settings.inline)
              ? module.is.rtl()
                ? parseInt( window.getComputedStyle(targetElement).getPropertyValue('margin-right'), 10)
                : parseInt( window.getComputedStyle(targetElement).getPropertyValue('margin-left'), 10)
              : 0
            ;
            // calculate screen boundaries
            screen = calculations.screen;
            calculations.boundary = {
              top    : screen.top + screen.scroll.top,
              bottom : screen.top + screen.scroll.top + screen.height,
              left   : screen.left + screen.scroll.left,
              right  : screen.left + screen.scroll.left + screen.width
            };
            return calculations;
          },