dspace-angular/src/app/shared/animations/slide.ts

import { animate, animateChild, group, query, state, style, transition, trigger } from '@angular/animations';

export const slide = trigger('slide', [
  state('expanded', style({ height: '*' })),
  state('collapsed', style({ height: 0 })),
  state('void', style({ height: 0 })),
  state('*', style({ height: '*' })),
  transition(':enter', [animate('200ms')]),
  transition(':leave', [animate('200ms')]),
  transition('expanded <=> collapsed', animate(250))
]);

export const slideMobileNav = trigger('slideMobileNav', [

  state('expanded', style({ height: 'auto', 'min-height': '100vh' })),

  state('collapsed', style({ height: 0 })),

  transition('expanded <=> collapsed', animate('300ms'))
]);

const collapsedStyle = style({ marginLeft: '-{{ sidebarWidth }}' });
const expandedStyle = style({ marginLeft: '0' });
const options = { params: { sidebarWidth: '*' } };

export const slideSidebar = trigger('slideSidebar', [

  transition('expanded => collapsed',
    group(
      [
        query('@*', animateChild()),
        query('.sidebar-collapsible', expandedStyle, options),
        query('.sidebar-collapsible', animate('300ms ease-in-out', collapsedStyle))
      ],
    )),

  transition('collapsed => expanded',
    group(
      [
        query('@*', animateChild()),
        query('.sidebar-collapsible', collapsedStyle),
        query('.sidebar-collapsible', animate('300ms ease-in-out', expandedStyle), options)
      ]
    ))
]);

export const slideSidebarPadding = trigger('slideSidebarPadding', [
  state('hidden', style({ paddingLeft: 0 })),
  state('shown', style({ paddingLeft: '{{ collapsedSidebarWidth }}' }), { params: { collapsedSidebarWidth: '*' } }),
  state('expanded', style({ paddingLeft: '{{ totalSidebarWidth }}' }), { params: { totalSidebarWidth: '*' } }),
  transition('hidden <=> shown', [animate('200ms')]),
  transition('hidden <=> expanded', [animate('200ms')]),
  transition('shown <=> expanded', [animate('200ms')]),
]);

export const expandSearchInput = trigger('toggleAnimation', [
  state('collapsed', style({
    width: '0',
    opacity: '0'
  })),
  state('expanded', style({
    width: '250px',
    opacity: '1'
  })),
  transition('* => collapsed', group([
    animate('300ms ease-in-out', style({
      width: '30px'
    })),
    animate('300ms ease-in', style({
      opacity: '0'
    }))
  ])),
  transition('* => expanded', group([
    animate('300ms ease-out', style({
      opacity: '1'
    })),
    animate('300ms ease-in-out', style({
      width: '250px'
    }))
  ]))
]);