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[ipfire.org.git] / src / scss / bootstrap-4.0.0-alpha.6 / docs / components / progress.md

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+---
+layout: docs
+title: Progress
+description: Documentation and examples for using Bootstrap progress bars.
+group: components
+---
+
+Use our custom progress component for displaying simple or complex progress bars. We don't use [the HTML5 `<progress>` element](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/progress), ensuring you can stack progress bars, animate them, and place text labels over them.
+
+## Contents
+
+* Will be replaced with the ToC, excluding the "Contents" header
+{:toc}
+
+## How it works
+
+Progress components are built with two HTML elements, some CSS to set the width, and a few attributes.
+
+- We use the `.progress` as a wrapper to indicate the max value of the progress bar.
+- We use the inner `.progress-bar` to indicate the progress so far.
+- The `.progress-bar` requires an inline style, utility class, or custom CSS to set their width.
+- The `.progress-bar` also requires some `role` and `aria` attributes to make it accessible.
+
+Put that all together, and you have the following examples.
+
+{% example html %}
+<div class="progress">
+  <div class="progress-bar" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+<div class="progress">
+  <div class="progress-bar" role="progressbar" style="width: 25%" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+<div class="progress">
+  <div class="progress-bar" role="progressbar" style="width: 50%" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+<div class="progress">
+  <div class="progress-bar" role="progressbar" style="width: 75%" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+<div class="progress">
+  <div class="progress-bar" role="progressbar" style="width: 100%" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+{% endexample %}
+
+Bootstrap provides a handful of [utilities for setting width]({{ site.baseurl }}/utilities/sizing/). Depending on your needs, these may help with quickly configuring progress.
+
+{% example html %}
+<div class="progress">
+  <div class="progress-bar w-75" role="progressbar" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+{% endexample %}
+
+## Customizing
+
+Customize the appearance of your progress bars with custom CSS, background utilities, stripes, and more.
+
+### Labels
+
+Add labels to your progress bars by placing text within the `.progress-bar`.
+
+{% example html %}
+<div class="progress">
+  <div class="progress-bar" role="progressbar" style="width: 25%;" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100">25%</div>
+</div>
+{% endexample %}
+
+### Height
+
+We only set a `height` value on the `.progress-bar`, so if you change that value the outer `.progress` will automatically resize accordingly.
+
+{% example html %}
+<div class="progress">
+  <div class="progress-bar" role="progressbar" style="width: 25%; height: 1px;" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+<div class="progress">
+  <div class="progress-bar" role="progressbar" style="width: 25%; height: 20px;" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+{% endexample %}
+
+### Backgrounds
+
+Use background utility classes to change the appearance of individual progress bars.
+
+{% example html %}
+<div class="progress">
+  <div class="progress-bar bg-success" role="progressbar" style="width: 25%" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+<div class="progress">
+  <div class="progress-bar bg-info" role="progressbar" style="width: 50%" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+<div class="progress">
+  <div class="progress-bar bg-warning" role="progressbar" style="width: 75%" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+<div class="progress">
+  <div class="progress-bar bg-danger" role="progressbar" style="width: 100%" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+{% endexample %}
+
+### Multiple bars
+
+Include multiple progress bars in a progress component if you need.
+
+{% example html %}
+<div class="progress">
+  <div class="progress-bar" role="progressbar" style="width: 15%" aria-valuenow="15" aria-valuemin="0" aria-valuemax="100"></div>
+  <div class="progress-bar bg-success" role="progressbar" style="width: 30%" aria-valuenow="30" aria-valuemin="0" aria-valuemax="100"></div>
+  <div class="progress-bar bg-info" role="progressbar" style="width: 20%" aria-valuenow="20" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+{% endexample %}
+
+### Striped
+
+Add `.progress-bar-striped` to any `.progress-bar` to apply a stripe via CSS gradient over the progress bar's background color.
+
+{% example html %}
+<div class="progress">
+  <div class="progress-bar progress-bar-striped" role="progressbar" style="width: 10%" aria-valuenow="10" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+<div class="progress">
+  <div class="progress-bar progress-bar-striped bg-success" role="progressbar" style="width: 25%" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+<div class="progress">
+  <div class="progress-bar progress-bar-striped bg-info" role="progressbar" style="width: 50%" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+<div class="progress">
+  <div class="progress-bar progress-bar-striped bg-warning" role="progressbar" style="width: 75%" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+<div class="progress">
+  <div class="progress-bar progress-bar-striped bg-danger" role="progressbar" style="width: 100%" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100"></div>
+</div>
+{% endexample %}
+
+### Animated stripes
+
+The striped gradient can also be animated. Add `.progress-bar-animated` to `.progress-bar` to animate the stripes right to left via CSS3 animations.
+
+**Animated progress bars don't work in Opera 12**—as they don't support CSS3 animations.
+
+<div class="bd-example">
+  <div class="progress">
+    <div class="progress-bar progress-bar-striped" role="progressbar" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100" style="width: 75%"></div>
+  </div>
+  <button type="button" class="btn btn-secondary bd-toggle-animated-progress" data-toggle="button" aria-pressed="false" autocomplete="off">
+    Toggle animation
+  </button>
+</div>
+
+{% highlight html %}
+<div class="progress">
+  <div class="progress-bar progress-bar-striped progress-bar-animated" role="progressbar" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100" style="width: 75%"></div>
+</div>
+{% endhighlight %}