2016-05-04 6 views
0

Ich muss den reibungslosen schrumpfenden Header-Effekt als in this example erreichen. Ich reparierte navbar mit Bootstrap 3, aber ich habe Probleme mit dem Logo.Schrumpf Bootstrap behoben Navbar mit Logo auf Bildlauf

Mein Code so weit:

HTML, der CSS hat eine Toggle-Animation, um es abgesehen von der Schrumpfung und das JavaScript hat eine Schrumpf- und autohide Funktion

//Shrink and AutoHide navbar 
$(window).scroll(function() { 
    if ($(document).scrollTop() > 100) { 
    $('nav').addClass('shrink'); 
    } else { 
    $('nav').removeClass('shrink'); 
    } 
    if ($(document).scrollTop() >= 200) { 
    $("nav.navbar-fixed-top").autoHidingNavbar(); 
    } 
}); 
/* NavBar Toggle X Animation */ 
.navbar-toggle { 
    border: none; 
    background: transparent !important; 
} 
.navbar-toggle:hover { 
    background: transparent !important; 
} 
.navbar-toggle .icon-bar { 
    width: 22px; 
    transition: all 0.2s; 
} 
.navbar-toggle .top-bar { 
    transform: rotate(45deg); 
    transform-origin: 10% 10%; 
} 
.navbar-toggle .middle-bar { 
    opacity: 0; 
} 
.navbar-toggle .bottom-bar { 
    transform: rotate(-45deg); 
    transform-origin: 10% 90%; 
} 
.navbar-toggle.collapsed .top-bar { 
    transform: rotate(0); 
} 
.navbar-toggle.collapsed .middle-bar { 
    opacity: 1; 
} 
.navbar-toggle.collapsed .bottom-bar { 
    transform: rotate(0); 
} 


/* Navbar Shrink */ 

nav a { 
    padding-top: 20px !important; 
    padding-bottom: 20px !important; 
    font-size: 18px; 
} 

nav .navbar-toggle { 
    margin: 13px 15px 13px 0; 
} 

.navbar-brand { 
    font-size: 30px; 
} 



nav.navbar.shrink { 
    min-height: 35px; 
} 

nav.shrink a { 
    padding-top: 10px !important; 
    padding-bottom: 10px !important; 
    font-size: 15px; 
} 

nav.shrink .navbar-brand { 
    font-size: 25px; 
} 

nav.shrink .navbar-toggle { 
    padding: 4px 5px; 
    margin: 8px 15px 8px 0; 
} 
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script> 
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet"/> 
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> 
<nav class="navbar navbar-inverse navbar-fixed-top"> 
    <div class="container"> 
     <div class="navbar-header"> 
     <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar top-bar"></span> <span class="icon-bar middle-bar"></span> <span class="icon-bar bottom-bar"></span> </button> 
     <a class="navbar-brand" href="#"><img src="http://placehold.it/300x214"></a> 
     </div> 
     <div id="navbar" class="navbar-collapse collapse"> 
     <ul class="nav navbar-nav pull-right"> 
      <li class="active"><a href="#">Home</a></li> 
      <li><a href="#about">About</a></li> 
      <li><a href="#contact">Contact</a></li> 
      <li class="dropdown"> 
       <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a> 
       <ul class="dropdown-menu"> 
        <li><a href="#">Action</a></li> 
        <li><a href="#">Another action</a></li> 
        <li><a href="#">Something else here</a></li> 
        <li role="separator" class="divider"></li> 
        <li class="dropdown-header">Nav header</li> 
        <li><a href="#">Separated link</a></li> 
        <li><a href="#">One more separated link</a></li> 
       </ul> 
      </li> 
     </ul> 
     </div> 
     <!--/.nav-collapse --> 
    </div> 
</nav> 

Schätzen Sie die Hilfe, da ich das Logo nicht wie im abgebildeten Beispiel schrumpfen lassen kann.

Schließlich muss ich auch einen Weg finden, die Navbar mit einem transparenten Hintergrund zu haben, der schwarz wird, wenn er geschrumpft wird.

+0

Können Sie eine [Geige] machen (https://jsfiddle.net/)? – Raviteja

+0

https://jsfiddle.net/fabianborg/g314511b/2/ – Fab

+0

Überprüfen Sie [diese] (https://jsfiddle.net/iamraviteja/scxa7388/). Sie müssen zuerst die Größe des Bildes ändern und dann planen, entsprechend zu zeigen verpasste auch einige Übergänge. – Raviteja

Antwort

1

HTML

<nav class="navbar navbar-default navbar-fixed-top"> 
    <div class="container"> 
    <div class="navbar-header"> 
     <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar top-bar"></span> <span class="icon-bar middle-bar"></span> <span class="icon-bar bottom-bar"></span> </button> 
     <a class="navbar-brand" href="#"><img src="http://placehold.it/300x214"></a> </div> 
    <div id="navbar" class="navbar-collapse collapse"> 
     <ul class="nav navbar-nav pull-right"> 
     <li class="active"><a href="#">Home</a></li> 
     <li><a href="#about">About</a></li> 
     <li><a href="#contact">Contact</a></li> 
     <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a> 
      <ul class="dropdown-menu"> 
      <li><a href="#">Action</a></li> 
      <li><a href="#">Another action</a></li> 
      <li><a href="#">Something else here</a></li> 
      <li role="separator" class="divider"></li> 
      <li class="dropdown-header">Nav header</li> 
      <li><a href="#">Separated link</a></li> 
      <li><a href="#">One more separated link</a></li> 
      </ul> 
     </li> 
     </ul> 
    </div> 
    <!--/.nav-collapse --> 
    </div> 
</nav> 
<div class="container"> 
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</div> 

CSS

/* NavBar Toggle X Animation */ 

.navbar-toggle { 
    border: none; 
    background: transparent !important; 
    transition: all 0.3s; 
} 

.navbar-toggle:hover { 
    background: transparent !important; 
} 

.navbar-toggle .icon-bar { 
    width: 22px; 
    transition: all 0.3s; 
} 

.navbar-toggle .top-bar { 
    transform: rotate(45deg); 
    transform-origin: 10% 10%; 
} 

.navbar-toggle .middle-bar { 
    opacity: 0; 
} 

.navbar-toggle .bottom-bar { 
    transform: rotate(-45deg); 
    transform-origin: 10% 90%; 
} 

.navbar-toggle.collapsed .top-bar { 
    transform: rotate(0); 
} 

.navbar-toggle.collapsed .middle-bar { 
    opacity: 1; 
} 

.navbar-toggle.collapsed .bottom-bar { 
    transform: rotate(0); 
} 


/* Navbar Shrink */ 

nav a { 
    padding-top: 20px !important; 
    padding-bottom: 20px !important; 
    font-size: 18px; 
    transition: all 0.3s; 
} 

nav .navbar-toggle { 
    margin: 13px 15px 13px 0; 
} 


nav.navbar.shrink { 
    min-height: 35px; 
    transition: all 0.3s; 
} 

nav.shrink a { 
    padding-top: 10px !important; 
    padding-bottom: 10px !important; 
    font-size: 15px; 
    transition: all 0.3s; 
} 

nav.shrink .navbar-toggle { 
    padding: 4px 5px; 
    margin: 12px 15px 8px 0; 
    transition: all 0.3s; 
} 
.navbar-brand > img { 
    width:100%; 
    height:30px; 
    margin-top:-5px; 
    transition: all 0.3s; 
} 
nav.shrink .navbar-brand > img{ 
    width:100%; 
    height:24px; 
    margin-top:5px; 
    transition: all 0.3s; 
} 

Live demo