Framework7 - Barra de progreso
Descripción
Las barras de progreso se pueden usar para mostrar la carga de activos o el progreso de una tarea a los usuarios. Puede especificar la barra de progreso utilizando la clase de barra de progreso . Cuando el usuario no sabe cuánto tiempo estará el proceso de carga para la solicitud, puede usar la clase progressbar-infinite .
API de JavaScript de barra de progreso
La barra de progreso se puede utilizar junto con la API de JavaScript para especificar las propiedades de mostrar , ocultar y progresar mediante los siguientes métodos:
| S. No | Métodos | Descripción y parámetros |
|---|---|---|
| 1 | myApp.setProgressbar (container , progress, speed) | Establece la barra de progreso para el progreso de una tarea.
|
| 2 | myApp.hideProgressbar (contain er) | Oculta la barra de progreso.
|
| 3 | myApp.showProgressbar (contai ner, progress, color) | Muestra la barra de progreso.
|
Ejemplo
El siguiente ejemplo muestra barras de progreso determinadas e indeterminadas animadas para indicar actividad en Framework7:
<!DOCTYPE html>
<html>
<head>
<meta name = "viewport" content = "width = device-width, initial-scale = 1,
maximum-scale = 1, minimum-scale = 1, user-scalable = no, minimal-ui" />
<meta name = "apple-mobile-web-app-capable" content = "yes" />
<meta name = "apple-mobile-web-app-status-bar-style" content = "black" />
<title>Progress Bar</title>
<link rel = "stylesheet"
href = "https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/css/framework7.ios.min.css" />
<link rel = "stylesheet"
href = "https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/css/framework7.ios.colors.min.css" />
<link rel = "stylesheet"
href = "https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/css/framework7.material.min.css" />
<link rel = "stylesheet"
href = "https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/css/framework7.material.colors.min.css" />
</head>
<body>
<div class = "views">
<div class = "view view-main">
<div class = "pages">
<div data-page = "home" class = "page navbar-fixed">
<div class = "navbar">
<div class = "navbar-inner">
<div class = "center">Progress Bar</div>
</div>
</div>
<div class = "page-content">
<div class = "content-block-title">Determinate Progress Bar</div>
<div class = "content-block">
<div class = "content-block-inner">
<p>Inline determinate progress bar:</p>
<div class = "progressbar-inline">
<p><span data-progress = "10" class = "progressbar"></span></p>
<p class = "buttons-row">
<a href = "#" data-progress = "25" class = "button button-raised">25%</a>
<a href = "#" data-progress = "50" class = "button button-raised">50%</a>
<a href = "#" data-progress = "75" class = "button button-raised">75%</a>
<a href = "#" data-progress = "100" class = "button button-raised">100%</a>
</p>
</div>
<p>Loads and hides the determinate progress bar:</p>
<div class = "progressbar-load-hide">
<p><a href = "#" class = "button button-raised">Start Loading</a></p>
</div>
<p>Displays the determinate progress bar on top:</p>
<p class = "progressbar-overlay"><a href = "#" class = "button button-raised">Start Loading</a></p>
</div>
</div>
<div class = "content-block-title">Infinite Progress Bar</div>
<div class = "content-block">
<div class = "content-block-inner">
<p>Inline infinite progress bar:</p>
<p><span class = "progressbar-infinite"></span></p>
<p>Displays the infinite progress bar in multiple colors:</p>
<p><span class = "progressbar-infinite color-multi"></span></p>
<p>Displays the infinite progress bar on top:</p>
<p class = "progressbar-infinite-overlay"><a href = "#" class = "button button-raised">Start Loading</a></p>
<p>Displays the infinite progress bar in multiple colors on top:</p>
<p class = "progressbar-infinite-multi-overlay"><a href = "#" class = "button button-raised">Start Loading</a></p>
</div>
</div>
<div class = "content-block-title">Different types of colored progress bars:</div>
<div class = "list-block">
<ul>
<li class = "item-content">
<div class = "item-inner">
<div data-progress = "5" class = "progressbar color-red"></div>
</div>
</li>
<li class = "item-content">
<div class = "item-inner">
<div data-progress = "10" class = "progressbar color-pink"></div>
</div>
</li>
<li class = "item-content">
<div class = "item-inner">
<div data-progress = "20" class = "progressbar color-deeppurple"></div>
</div>
</li>
<li class = "item-content">
<div class = "item-inner">
<div data-progress = "30" class = "progressbar color-blue"></div>
</div>
</li>
<li class = "item-content">
<div class = "item-inner">
<div data-progress = "40" class = "progressbar color-cyan"></div>
</div>
</li>
<li class = "item-content">
<div class = "item-inner">
<div data-progress = "50" class = "progressbar color-green"></div>
</div>
</li>
<li class = "item-content">
<div class = "item-inner">
<div data-progress = "60" class = "progressbar color-lime"></div>
</div>
</li>
<li class = "item-content">
<div class = "item-inner">
<div data-progress = "70" class = "progressbar color-amber"></div>
</div>
</li>
<li class = "item-content">
<div class = "item-inner">
<div data-progress = "80" class = "progressbar color-deeporange"></div>
</div>
</li>
<li class = "item-content">
<div class = "item-inner">
<div data-progress = "90" class = "progressbar color-gray"></div>
</div>
</li>
<li class = "item-content">
<div class = "item-inner">
<div data-progress = "100" class = "progressbar color-black"></div>
</div>
</li>
</ul>
</div>
</div>
</div>
</div>
</div>
</div>
<script type = "text/javascript"
src = "https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/js/framework7.min.js"></script>
<script>
var myApp = new Framework7({
material: true
});
var $$ = Dom7;
$$('.progressbar-inline .button').on('click', function () {
var progress = $$(this).attr('data-progress');
var progressbar = $$('.progressbar-inline .progressbar');
myApp.setProgressbar(progressbar, progress);
});
$$('.progressbar-load-hide .button').on('click', function () {
var container = $$('.progressbar-load-hide p:first-child');
//it doesn't load if another progresbar is loading
if (container.children('.progressbar').length) return;
myApp.showProgressbar(container, 0);
var progress = 0;
function simulateLoading() {
setTimeout(function () {
var progressBefore = progress;
progress += Math.random() * 20;
myApp.setProgressbar(container, progress);
if (progressBefore < 100) {
simulateLoading();
}
else myApp.hideProgressbar(container);
}, Math.random() * 200 + 200);
}
simulateLoading();
});
$$('.progressbar-overlay .button').on('click', function () {
var container = $$('body');
if (container.children('.progressbar, .progressbar-infinite').length) return;
myApp.showProgressbar(container, 0, 'orange');
var progress = 0;
function simulateLoading() {
setTimeout(function () {
var progressBefore = progress;
progress += Math.random() * 20;
myApp.setProgressbar(container, progress);
if (progressBefore < 100) {
simulateLoading();
}
//hides the progressbar
else myApp.hideProgressbar(container);
}, Math.random() * 200 + 200);
}
simulateLoading();
});
$$('.progressbar-infinite-overlay .button').on('click', function () {
var container = $$('body');
if (container.children('.progressbar, .progressbar-infinite').length) return;
myApp.showProgressbar(container, 'yellow');
setTimeout(function () {
myApp.hideProgressbar();
}, 3000);
});
$$('.progressbar-infinite-multi-overlay .button').on('click', function () {
var container = $$('body');
if (container.children('.progressbar, .progressbar-infinite').length) return;
myApp.showProgressbar(container, 'multi');
setTimeout(function () {
myApp.hideProgressbar();
}, 3000);
});
</script>
</body>
</html>Salida
Realicemos los siguientes pasos para ver cómo funciona el código dado anteriormente:
Guarde el código HTML proporcionado anteriormente como progress_bar.html archivo en la carpeta raíz de su servidor.
Abra este archivo HTML como http: //localhost/progress_bar.html y la salida se muestra como se muestra a continuación.
El ejemplo muestra la barra de progreso, que indica cuánto tiempo tomará una operación para completar el proceso y muestra los diferentes tipos de barras de progreso para indicar la actividad.