Framework7 - Barre de progression
La description
Les barres de progression peuvent être utilisées pour montrer le chargement des actifs ou la progression d'une tâche aux utilisateurs. Vous pouvez spécifier la barre de progression à l'aide de la classe progressbar . Lorsque l'utilisateur ne sait pas combien de temps le processus de chargement sera là pour la demande, vous pouvez utiliser la classe progressbar-infinite .
API JavaScript de la barre de progression
La barre de progression peut être utilisé avec l'API JavaScript afin de spécifier show , cacher et progresser les propriétés en utilisant les méthodes suivantes : -
| S. Non | Méthodes | Description et paramètres |
|---|---|---|
| 1 | myApp.setProgressbar (container , progress, speed) | Il définit la barre de progression de la progression d'une tâche.
|
| 2 | myApp.hideProgressbar (contain er) | Il masque la barre de progression.
|
| 3 | myApp.showProgressbar (contai ner, progress, color) | Il affiche la barre de progression.
|
Exemple
L'exemple suivant affiche une barre de progression animée déterminée et indéterminée pour indiquer l'activité dans 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>Production
Exécutons les étapes suivantes pour voir comment fonctionne le code donné ci-dessus -
Enregistrez le code HTML ci-dessus sous progress_bar.html fichier dans le dossier racine de votre serveur.
Ouvrez ce fichier HTML comme http: //localhost/progress_bar.html et la sortie s'affiche comme indiqué ci-dessous.
L'exemple affiche la barre de progression, qui indique combien de temps une opération prendra pour terminer le processus et affiche les différents types de barres de progression pour indiquer l'activité.