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194 lines
7.2 KiB
Markdown
194 lines
7.2 KiB
Markdown
---
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layout: docs
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title: Forms
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group: material-design
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---
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Bootstrap provides several form control styles, layout options, and custom components for creating a wide variety of forms.
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## Contents
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* Will be replaced with the ToC, excluding the "Contents" header
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{:toc}
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## Form controls
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Form controls flavored by Material Design for Bootstrap customizations such as `mdb-label-floating`.
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{% example html %}
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<form>
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<fieldset class="form-group mdb-label-floating">
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<label for="exampleInputEmail1">Email address</label>
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<input type="email" class="form-control" id="exampleInputEmail1" placeholder="Enter email">
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<span class="mdb-help">We'll never share your email with anyone else.</span>
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</fieldset>
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<fieldset class="form-group mdb-label-floating">
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<label for="exampleInputPassword1">Password</label>
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<input type="password" class="form-control" id="exampleInputPassword1" placeholder="Password">
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</fieldset>
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<fieldset class="form-group mdb-label-floating">
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<label for="exampleSelect1">Example select</label>
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<select class="form-control" id="exampleSelect1">
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<option>1</option>
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<option>2</option>
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<option>3</option>
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<option>4</option>
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<option>5</option>
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</select>
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</fieldset>
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<fieldset class="form-group mdb-label-floating">
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<label for="exampleSelect2">Example multiple select</label>
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<select multiple class="form-control" id="exampleSelect2">
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<option>1</option>
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<option>2</option>
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<option>3</option>
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<option>4</option>
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<option>5</option>
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</select>
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</fieldset>
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<fieldset class="form-group mdb-label-floating">
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<label for="exampleTextarea">Example textarea</label>
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<textarea class="form-control" id="exampleTextarea" rows="3"></textarea>
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</fieldset>
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<fieldset class="form-group mdb-label-floating">
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<label for="exampleInputFile">File input</label>
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<input type="file" class="form-control-file" id="exampleInputFile">
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<small class="text-muted">This is some placeholder block-level help text for the above input. It's a bit lighter and easily wraps to a new line.</small>
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</fieldset>
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<div class="radio">
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<label>
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<input type="radio" name="optionsRadios" id="optionsRadios1" value="option1" checked>
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Option one is this and that—be sure to include why it's great
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</label>
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</div>
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<div class="radio">
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<label>
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<input type="radio" name="optionsRadios" id="optionsRadios2" value="option2">
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Option two can be something else and selecting it will deselect option one
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</label>
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</div>
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<div class="radio disabled">
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<label>
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<input type="radio" name="optionsRadios" id="optionsRadios3" value="option3" disabled>
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Option three is disabled
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</label>
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</div>
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<div class="checkbox">
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<label>
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<input type="checkbox"> Check me out
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</label>
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</div>
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<button type="submit" class="btn btn-primary">Submit</button>
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</form>
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{% endexample %}
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Below is a complete list of options supported by Material Design for Bootstrap and the classes that customize them. Additional documentation is available for each group.
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<table>
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<thead>
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<tr>
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<th>Classes</th>
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<th>Used for</th>
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<th>Notes</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>
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{% markdown %}`.mdb-form-group`{% endmarkdown %}
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</td>
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<td class="text-nowrap">
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Any group of form controls
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</td>
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<td>
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{% markdown %}This is automatically added by javascript, but if your code is templated, adding `.mdb-form-group`
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to your form groups or otherwise your groups of controls can reduce rendering churn since the javascript will not
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add the class after the initial page rendering.{% endmarkdown %}
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</td>
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</tr>
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<tr>
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<td>
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{% markdown %}`.mdb-label-floating`{% endmarkdown %}
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</td>
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<td>
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</td>
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<td>
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{% markdown %}TODO{% endmarkdown %}
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</td>
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</tr>
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<tr>
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<td>
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{% markdown %}`.mdb-label-static`{% endmarkdown %}
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</td>
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<td>
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</td>
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<td>
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{% markdown %}TODO{% endmarkdown %}
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</td>
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</tr>
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<tr>
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<td>
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{% markdown %}`.mdb-label-placeholder`{% endmarkdown %}
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</td>
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<td>
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</td>
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<td>
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{% markdown %}TODO{% endmarkdown %}
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</td>
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</tr>
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</tbody>
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</table>
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### Form groups
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The `.mdb-form-group` class is usually added to the `.form-group` element. Whereas the `.form-group` adds structure to forms by providing `margin-bottom` around a label and control pairing,
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the only purpose of the `.mdb-form-group` is to demarcate Material Design behaviors. Decorations and size variations are intended to be specified on
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this element e.g. `.mdb-label-floating`. Focus/hover styling for the label/input is determined based on the `.mdb-form-group`.
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The `.mdb-form-group` is added automatically by javascript through basic discovery of the outer demarcation of the component defined by the Bootstrap standard
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markup. If your code is templated, you may want to add `.mdb-form-group` to the markup directly to prevent any rendering churn from the javascript determining
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and adding the class to the markup. In custom situations, the javascript may not be able to properly resolve the location for the `.mdb-form-group`, so in rare cases
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you may need to wrap your markup in an `.mdb-form-group` to get appropriate focus/hover behavior.
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{% example html %}
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<form>
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<fieldset class="form-group mdb-label-floating"> <!-- left unspecified, .mdb-form-group will be automatically added (inspect the code) -->
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<label for="formGroupExampleInput">Example label</label>
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<input type="text" class="form-control" id="formGroupExampleInput" placeholder="Example input">
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</fieldset>
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<fieldset class="form-group mdb-form-group mdb-label-floating"> <!-- manually specified -->
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<label for="formGroupExampleInput2">Another label</label>
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<input type="text" class="form-control" id="formGroupExampleInput2" placeholder="Another input">
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</fieldset>
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</form>
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{% endexample %}
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### Inline forms
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Use the `.form-inline` class to to display a series of labels, form controls, and buttons on a single horizontal row. Form controls within inline forms behave differently:
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- Controls are `display: inline-block` to provide alignment control via `vertical-align` and `margin`.
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- Controls receive `width: auto` to override the Bootstrap default `width: 100%`.
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- Controls **only appear inline in viewports that are at least 768px wide** to account for narrow viewports on mobile devices.
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Because of this, you may need to manually address the width and alignment of individual form controls. Lastly, as shown below, you should always include a `<label>` with each form control.
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#### Visible labels
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{% example html %}
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<form class="form-inline">
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<div class="form-group mdb-label-floating">
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<label for="exampleInputName2">Name</label>
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<input type="text" class="form-control" id="exampleInputName2" placeholder="Jane Doe">
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</div>
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<div class="form-group mdb-label-floating">
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<label for="exampleInputEmail2">Email</label>
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<input type="email" class="form-control" id="exampleInputEmail2" placeholder="jane.doe@example.com">
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</div>
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<button type="submit" class="btn btn-primary">Send invitation</button>
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</form>
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{% endexample %}
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