Framework7 - Fortschrittsbalken
Beschreibung
Die Fortschrittsbalken können verwendet werden, um den Benutzern das Laden von Assets oder den Fortschritt einer Aufgabe anzuzeigen. Sie können den Fortschrittsbalken mithilfe der Fortschrittsbalkenklasse angeben . Wenn der Benutzer nicht weiß, wie lange der Ladevorgang für die Anforderung dauert, können Sie die Klasse progressbar-infinite verwenden .
Fortschrittsbalken JavaScript-API
Der Fortschrittsbalken kann zusammen mit der JavaScript-API verwendet werden, um die Eigenschaften zum Anzeigen , Ausblenden und Fortschreiten mithilfe der folgenden Methoden anzugeben :
| S.No. | Methoden | Beschreibung & Parameter |
|---|---|---|
| 1 | myApp.setProgressbar (container , progress, speed) | Es legt den Fortschrittsbalken für den Fortschritt einer Aufgabe fest.
|
| 2 | myApp.hideProgressbar (contain er) | Der Fortschrittsbalken wird ausgeblendet.
|
| 3 | myApp.showProgressbar (contai ner, progress, color) | Es zeigt den Fortschrittsbalken an.
|
Beispiel
Das folgende Beispiel zeigt einen animierten bestimmten und unbestimmten Fortschrittsbalken an, um die Aktivität in Framework7 anzuzeigen.
<!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>Ausgabe
Lassen Sie uns die folgenden Schritte ausführen, um zu sehen, wie der oben angegebene Code funktioniert:
Speichern Sie den oben angegebenen HTML-Code als progress_bar.html Datei in Ihrem Server-Stammordner.
Öffnen Sie diese HTML-Datei als http: //localhost/progress_bar.html und die Ausgabe wird wie unten gezeigt angezeigt.
Das Beispiel zeigt den Fortschrittsbalken an, der angibt, wie lange ein Vorgang dauert, um den Vorgang abzuschließen, und die verschiedenen Arten von Fortschrittsbalken anzeigt, um die Aktivität anzuzeigen.