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CSS-based Circular Reveal ..

A Pen By Julio J.

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HTML

            
              .viewport( class="contexto" )
  ons-page( ng-controller='ngC' )
    ons-toolbar( class="toolbar", modifier="material" )
      div( class="pl title center", ng-bind="titulo" )
    .card.sin-overflow.relativo(
        class="tarjeta p0"
      )
        .absoluto.ancho-full.div-imagen(
          style="height:50%;background-image:url(http://lorempixel.com/400/600/people/7)"
        )
        .circulo.absoluto.l0.div-imagen(
          class="h2+ w2+ ml1"
          style="z-index:10;top:45%;background-image:url(http://placeimg.com/100/100/people/4)"
        )
        .bfab.circulo.absoluto.r0.mr1.sin-overflow(
          ng-click="accion()"
          class="h2+ w2+ alinear-centro cursor-pointer"
        )
          .contenido-fab.ancho-full.absoluto
            ons-icon.lh2(
              size="1.25em"
              icon="md-twitter"
            )
            br
            ons-icon.lh2(
              size="1.25em"
              icon="md-close"
            )  
        
        .contenedor-circular
          .contenedor.sin-overflow
            .absoluto.r0.b0(
              style="height:11em;width:15.5em"
            )
              .boton DUPLICATE
              .boton SCHEDULE
              .boton DELETE
          
        .texto-md.ct.gris(
          class="p1+ mt1+"
        ) Nemo, velit maxime excepturi dolores, optio voluptates, molestiae quas labore explicabo facere at a voluptatibus qui totam voluptate deleniti quia consequatur quam?
        
  a( href="http://bappzi.com" target="_blank" )
    .bappzi bappzi
!

CSS

            
              @colorPrincipal: #FDFDFD;
@colorAcento: #2aD;
body {
  overflow: none;
  background-color: #222;
}
.contexto {
  margin-left: -180px;
  left:50%; top:1em;
  width: 360px;
  height: 640px;
  //crear clases aqui
  .toolbar {
    background-color: @colorPrincipal;
    .title {
      color: #222;
    }
  }
  .tarjeta{
    height: 25em;
  }
  .contenido-fab{
    transition: all .3s cubic-bezier(.65,.68,.34,1.42);
    top: 0;
  }
  .cerrar{
  }
  .bfab{
    transition: all .3s ease;
    background-color: @colorAcento;
    box-shadow: 0 1px 2px rgba(0,0,0,.25);
    z-index:2;
    top:45%;
    color:#FFF;
  }
  .contenedor-circular{
    z-index: 1;
    overflow: hidden;
    position: relative;
    width: 100%;
    height: 50%;
    
    .contenedor {
      position: absolute;
      bottom:-1px; right:-1px;
      width: 0; height: 0;
      background-color:  @colorAcento;
      transition: all ease-out .35s;
      border-radius: 3000px 0 0 0;
    }
  }
  .boton{
    color: #FFF;
    text-align: center;
    margin-bottom: 1em;
    padding: .75em;
    cursor:pointer;
    width: 10em;
    outline: none !important;
    font-family: OpenSans,Roboto,Arial,'sans-serif';
    background-color: transparent;
    border: 1px solid #FFF;
    border-radius: 4px;
    font-size:.85em;
    transition: all ease .5s;
    
    &:hover, &:active {
      color: @colorAcento;
      background-color: #fff;
    }
  }
}
.bappzi{
  z-index: 10;
  position:fixed;
  top:1em;
  right:1.5em;
  font-family:Ubuntu,OpenSans,sans-serif,Tahoma;
  font-weight: bold;
  color: rgba(127,127,127,.35);
}
!

JS

            
              var app = ons.bootstrap();
app
.controller('ngC', function($scope){
  $scope.titulo = "CSS-based Circular Reveal";
  $scope.accion = function(e){
    var $contenidoFab = $('.contenido-fab');
    var $contenedor = $('.contenedor-circular .contenedor');
    var max = ($('.contenedor-circular')[0].getBoundingClientRect().width*1.5)+'px';
    var $bFab = $('.bfab');
    var objClase={}, objClase2={}, objClase3={};
    if( $contenidoFab.hasClass('cerrar') ){
        objClase = {'top':'0','color':'#FFF'};
        objClase2 = {'background-color':'#2ad'};
        objClase3 = {'width':'0','height':'0'};
    } else {
        objClase = {'top':'-2.5em','color':'#169'};
        objClase2 = {'background-color':'#FFF'};
        objClase3 = {'width':max,'height':max};
    }
    $contenidoFab
      .css(objClase)
      .toggleClass('cerrar');
    $bFab
      .css(objClase2);
    $contenedor
      .css(objClase3);
  }
})
!
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