bulma/docs/documentation/form/file.html
Jeremy Thomas 69877a652c Init v1
2024-03-21 16:11:54 +00:00

457 lines
13 KiB
HTML

---
title: File upload
layout: docs
theme: library
doc-tab: form
doc-subtab: file
breadcrumb:
- home
- documentation
- form
- form-file
file_name: "Screen Shot 2017-07-29 at 15.54.25.png"
variables_keys:
- $file-border-color
- $file-radius
- $file-cta-background-color
- $file-cta-color
- $file-cta-hover-color
- $file-cta-active-color
- $file-name-border-color
- $file-name-border-style
- $file-name-border-width
- $file-name-max-width
meta:
experimental: true
colors: true
sizes: true
variables: true
---
{% capture file %}
<div class="file">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> Choose a file… </span>
</span>
</label>
</div>
{% endcapture %}
{% capture file_name %}
<div class="file has-name">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> Choose a file… </span>
</span>
<span class="file-name"> {{ page.file_name }} </span>
</label>
</div>
{% endcapture %}
{% capture file_name_right %}
<div class="file has-name is-right">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> Choose a file… </span>
</span>
<span class="file-name"> {{ page.file_name }} </span>
</label>
</div>
{% endcapture %}
{% capture file_name_fullwidth %}
<div class="file has-name is-fullwidth">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> Choose a file… </span>
</span>
<span class="file-name"> {{ page.file_name }} </span>
</label>
</div>
{% endcapture %}
{% capture file_boxed %}
<div class="file is-boxed">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> Choose a file… </span>
</span>
</label>
</div>
{% endcapture %}
{% capture file_boxed_name %}
<div class="file has-name is-boxed">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> Choose a file… </span>
</span>
<span class="file-name"> {{ page.file_name }} </span>
</label>
</div>
{% endcapture %}
{% capture file_colors_a %}
<div class="file is-primary">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> Primary file… </span>
</span>
</label>
</div>
{% endcapture %}
{% capture file_colors_b %}
<div class="file is-info has-name">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> Info file… </span>
</span>
<span class="file-name"> {{ page.file_name }} </span>
</label>
</div>
{% endcapture %}
{% capture file_colors_c %}
<div class="file is-warning is-boxed">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-cloud-upload-alt"></i>
</span>
<span class="file-label"> Warning file… </span>
</span>
</label>
</div>
{% endcapture %}
{% capture file_colors_d %}
<div class="file is-danger has-name is-boxed">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-cloud-upload-alt"></i>
</span>
<span class="file-label"> Danger file… </span>
</span>
<span class="file-name"> {{ page.file_name }} </span>
</label>
</div>
{% endcapture %}
{% capture file_centered %}
<div class="file is-centered is-boxed is-success has-name">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> Centered file… </span>
</span>
<span class="file-name"> {{ page.file_name }} </span>
</label>
</div>
{% endcapture %}
{% capture file_right %}
<div class="file is-right is-info">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> Right file… </span>
</span>
<span class="file-name"> {{ page.file_name }} </span>
</label>
</div>
{% endcapture %}
{% capture file_javascript %}
<div id="file-js-example" class="file has-name">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> Choose a file… </span>
</span>
<span class="file-name"> No file uploaded </span>
</label>
</div>
<script>
const fileInput = document.querySelector("#file-js-example input[type=file]");
fileInput.onchange = () => {
if (fileInput.files.length > 0) {
const fileName = document.querySelector("#file-js-example .file-name");
fileName.textContent = fileInput.files[0].name;
}
};
</script>
{% endcapture %}
<!-- -->
<div class="content">
<p>
The <code>file</code> element is a simple <strong>interactive label</strong> that wraps an
<code>&lt;input type="file"&gt;</code>. It comprises several sub-elements:
</p>
<ul>
<li>
<code>file</code> the main <strong>container</strong>
<ul>
<li>
<code>file-label</code> the actual <strong>interactive</strong> and clickable part of the element
<ul>
<li><code>file-input</code> the <strong>native</strong> file input, hidden for styling purposes</li>
<li>
<code>file-cta</code> the upload <strong>call-to-action</strong>
<ul>
<li><code>file-icon</code> an optional <strong>upload</strong> icon</li>
<li><code>file-label</code> the "Choose a file…" text</li>
</ul>
</li>
<li><code>file-name</code> a container for the <strong>chosen file</strong> name</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
{% include docs/elements/snippet.html content=file %}
{% include docs/elements/anchor.html name="Modifiers" %}
<div class="columns">
<div class="column is-6">
<div class="content">
<p>
With the <code>has-name</code> modifier combined with the <code>file-name</code> element, you can add a
<strong>placeholder</strong> for the selected file name.
</p>
</div>
<div class="bd-example">{{ file_name }}</div>
</div>
<div class="column is-6 bd-highlight-full">
{% highlight html -%}
{{- file_name -}}
{%- endhighlight %}
</div>
</div>
<div class="columns">
<div class="column is-6">
<div class="content">
<p>You can move the CTA to the <strong>right side</strong> with the <code>is-right</code> modifier.</p>
</div>
<div class="bd-example">{{ file_name_right }}</div>
</div>
<div class="column is-6 bd-highlight-full">
{% highlight html -%}
{{- file_name_right -}}
{%- endhighlight %}
</div>
</div>
<div class="columns">
<div class="column is-6">
<div class="content">
<p>
You can also <strong>expand</strong> the name to fill up the space with the <code>is-fullwidth</code> modifier.
</p>
</div>
<div class="bd-example">{{ file_name_fullwidth }}</div>
</div>
<div class="column is-6 bd-highlight-full">
{% highlight html -%}
{{- file_name_fullwidth -}}
{%- endhighlight %}
</div>
</div>
<div class="columns">
<div class="column is-6">
<div class="content">
<p>You can have a <strong>boxed block</strong> with the <code>is-boxed</code> modifier.</p>
</div>
<div class="bd-example">{{ file_boxed }}</div>
</div>
<div class="column is-6 bd-highlight-full">
{% highlight html -%}
{{- file_boxed -}}
{%- endhighlight %}
</div>
</div>
<div class="columns">
<div class="column is-6">
<div class="content">
<p>You can <strong>combine</strong> <code>has-name</code> and <code>is-boxed</code>.</p>
</div>
<div class="bd-example">{{ file_boxed_name }}</div>
</div>
<div class="column is-6 bd-highlight-full">
{% highlight html -%}
{{- file_boxed_name -}}
{%- endhighlight %}
</div>
</div>
{% include docs/elements/anchor.html name="Colors" %}
<div class="content">
<p>
You can style the file element by appending one of the
<strong>{{ site.data.colors.derived | size }} color modifiers</strong>:
</p>
<ul>
{% for color in site.data.colors.derived %}
<li>
<code>is-{{ color.id }}</code>
</li>
{% endfor %}
</ul>
</div>
{% include docs/elements/snippet.html content=file_colors_a %}
{% include docs/elements/snippet.html content=file_colors_b %}
{% include docs/elements/snippet.html content=file_colors_c %}
{% include docs/elements/snippet.html content=file_colors_d %}
{% include docs/elements/anchor.html name="Sizes" %}
<div class="content">
<p>You can append one of the <strong>4 available sizes</strong>:</p>
<ul>
<li>
<code>is-small</code>
</li>
<li><code>is-normal</code> (default)</li>
<li>
<code>is-medium</code>
</li>
<li>
<code>is-large</code>
</li>
</ul>
</div>
{% for size in site.data.sizes %}
{% capture foobar %}
<div class="file is-{{ size }}">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> {{ size | capitalize }} file… </span>
</span>
</label>
</div>
{% endcapture %}
{% include docs/elements/snippet.html content=foobar %}
{% endfor %}
{% for size in site.data.sizes %}
{% capture foobar %}
<div class="file is-{{ size }} has-name">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> {{ size | capitalize }} file… </span>
</span>
<span class="file-name"> {{ page.file_name }} </span>
</label>
</div>
{% endcapture %}
{% include docs/elements/snippet.html content=foobar %}
{% endfor %}
{% for size in site.data.sizes %}
{% capture foobar %}
<div class="file is-{{ size }} is-boxed">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> {{ size | capitalize }} file… </span>
</span>
</label>
</div>
{% endcapture %}
{% include docs/elements/snippet.html content=foobar %}
{% endfor %}
{% for size in site.data.sizes %}
{% capture foobar %}
<div class="file is-{{ size }} is-boxed has-name">
<label class="file-label">
<input class="file-input" type="file" name="resume" />
<span class="file-cta">
<span class="file-icon">
<i class="fas fa-upload"></i>
</span>
<span class="file-label"> {{ size | capitalize }} file… </span>
</span>
<span class="file-name"> {{ page.file_name }} </span>
</label>
</div>
{% endcapture %}
{% include docs/elements/snippet.html content=foobar %}
{% endfor %}
{% include docs/elements/anchor.html name="Alignment" %}
<div class="content">
<p>You can <strong>align</strong> the file input:</p>
<ul>
<li>to the <strong>center</strong> with the <code>is-centered</code> modifier</li>
<li>to the <strong>right</strong> with the <code>is-right</code> modifier</li>
</ul>
</div>
{% include docs/elements/snippet.html content=file_centered %}
{% include docs/elements/snippet.html content=file_right %}
{% include docs/elements/anchor.html name="JavaScript" %}
<div class="content">
<p>
A file upload input requires JavaScript to <strong>retrieve</strong> the <strong>selected file name</strong>. Here
is an example of how this could be done:
</p>
</div>
{% include docs/elements/snippet.html horizontal=true content=file_javascript %}
{%
include docs/components/variables.html type='element'
variables_keys=page.variables_keys folder='elements' file='form'
%}