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text-field.html
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<!DOCTYPE html>
<!--
Copyright 2016 Google Inc. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License
-->
<html>
<head>
<meta charset="utf-8">
<title>Text Field - Material Components Catalog</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" type="image/png" href="/images/logo_components_color_2x_web_48dp.png">
<link rel="stylesheet" href="/assets/text-field.css">
<script src="/ready.js"></script>
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto+Mono">
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500">
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
<style>
input[type="checkbox"]:disabled + label {
opacity: .4;
}
.example {
margin: 24px;
padding: 24px;
}
.hero .mdc-text-field {
min-width: 240px;
}
.demo-note {
padding: 20px;
margin: 20px 0;
background-color: #f2f2f2;
}
.full-width-textarea-example {
margin-top: 16px;
}
</style>
</head>
<body class="mdc-typography">
<header class="mdc-toolbar mdc-toolbar--fixed">
<div class="mdc-toolbar__row">
<section class="mdc-toolbar__section mdc-toolbar__section--align-start">
<a href="/" class="catalog-back mdc-toolbar__menu-icon"><i class="material-icons"></i></a>
<span class="mdc-toolbar__title catalog-title">Text Field</span>
</section>
</div>
</header>
<main>
<div class="mdc-toolbar-fixed-adjust"></div>
<section class="hero">
<div class="mdc-text-field">
<input type="text" class="mdc-text-field__input" id="my-text-field">
<label for="my-text-field" class="mdc-floating-label">Text Field</label>
<div class="mdc-line-ripple"></div>
</div>
</section>
<section class="example">
<h2>Full Functionality JS Component (Floating Label, Validation)</h2>
<section id="demo-text-field-wrapper">
<div class="mdc-text-field">
<input type="text" class="mdc-text-field__input" id="full-func-text-field"
aria-controls="my-text-field-helper-text"
aria-describedby="my-text-field-helper-text">
<label for="full-func-text-field" class="mdc-floating-label">Email Address</label>
<div class="mdc-line-ripple"></div>
</div>
<p id="my-text-field-helper-text" class="mdc-text-field-helper-text"
aria-hidden="true" style="display:none;">
Helper Text (possibly validation message)
</p>
</section>
<div>
<input id="disable" type="checkbox">
<label for="disable">Disabled</label>
</div>
<div>
<input id="rtl" type="checkbox">
<label for="rtl">RTL</label>
</div>
<div>
<input id="dense" type="checkbox">
<label for="dense">Dense</label>
</div>
<div>
<input id="required" type="checkbox">
<label for="required">Required</label>
</div>
<div>
<input id="alternate-colors" type="checkbox">
<label for="alternate-colors">Alternate Colors</label>
</div>
<div>
<input id="use-helper-text" type="checkbox">
<label for="use-helper-text">Use Helper Text</label>
</div>
<div>
<input id="persistent-helper-text" type="checkbox" disabled>
<label for="persistent-helper-text">Make helper text persistent</label>
</div>
<div>
<input id="helper-text-as-validation" type="checkbox" disabled>
<label for="helper-text-as-validation">
Use helper text as validation message
</label>
</div>
</section>
<section class="example">
<h2>Password field with validation</h2>
<div class="mdc-text-field">
<input required pattern=".{8,}" type="password" class="mdc-text-field__input" id="pw"
aria-controls="pw-validation-msg"
aria-describedby="pw-validation-msg"
autocomplete="current-password">
<label for="pw" class="mdc-floating-label">Choose password</label>
<div class="mdc-line-ripple"></div>
</div>
<p class="mdc-text-field-helper-text mdc-text-field-helper-text--persistent mdc-text-field-helper-text--validation-msg"
id="pw-validation-msg">
Must be at least 8 characters long
</p>
</section>
<section class="example">
<h2>Outlined Text Field</h2>
<div id="demo-tf-outlined-wrapper">
<div id="tf-outlined-example" class="mdc-text-field mdc-text-field--outlined" data-demo-no-auto-js>
<input type="text" id="tf-outlined-input" class="mdc-text-field__input"
aria-controls="name-validation-message"
aria-describedby="name-validation-message">
<label for="tf-outlined-input" class="mdc-floating-label">Your Name</label>
<div class="mdc-notched-outline">
<svg>
<path class="mdc-notched-outline__path"/>
</svg>
</div>
<div class="mdc-notched-outline__idle"></div>
</div>
<p class="mdc-text-field-helper-text mdc-text-field-helper-text--validation-msg"
id="name-validation-message">
Helper Text (possibly validation message)
</p>
</div>
<div>
<input id="outlined-disable" type="checkbox">
<label for="outlined-disable">Disabled</label>
</div>
<div>
<input id="outlined-rtl" type="checkbox">
<label for="outlined-rtl">RTL</label>
</div>
<div>
<input id="outlined-custom-colors" type="checkbox">
<label for="outlined-custom-colors">Alternate Colors</label>
</div>
<div>
<input id="outlined-dense" type="checkbox">
<label for="outlined-dense">Dense</label>
</div>
<div>
<input id="outlined-required" type="checkbox">
<label for="outlined-required">Required</label>
</div>
<div>
<input id="outlined-minlength" type="checkbox">
<label for="outlined-minlength">Must be at least 8 characters</label>
</div>
<div>
<input id="outlined-maxlength" type="checkbox">
<label for="outlined-maxlength">Must not exceed 10 characters</label>
</div>
</section>
<section class="example" id="text-field-box-example">
<h2>Text Field box</h2>
<div id="demo-tf-box-wrapper">
<div id="tf-box-example" class="mdc-text-field mdc-text-field--box" data-demo-no-auto-js>
<input type="text" id="tf-box" class="mdc-text-field__input"
aria-controls="box-name-validation-message"
aria-describedby="box-name-validation-message">
<label for="tf-box" class="mdc-floating-label">Your Name</label>
<div class="mdc-line-ripple"></div>
</div>
<p class="mdc-text-field-helper-text"
id="box-name-validation-message"
style="display: none;">
Helper Text (possibly validation message)
</p>
</div>
<div>
<input id="box-disable" type="checkbox">
<label for="box-disable">Disabled</label>
</div>
<div>
<input id="box-rtl" type="checkbox">
<label for="box-rtl">RTL</label>
</div>
<div>
<input id="box-dense" type="checkbox">
<label for="box-dense">Dense</label>
</div>
<div>
<input id="box-alternate-colors" type="checkbox">
<label for="box-alternate-colors">Alternate Colors</label>
</div>
<div>
<input id="box-required" type="checkbox">
<label for="box-required">Required</label>
</div>
<div>
<input id="box-pattern" type="checkbox">
<label for="box-pattern">Must be at least 8 characters</label>
</div>
<div>
<input id="box-use-helper-text" type="checkbox">
<label for="box-use-helper-text">Use Helper Text</label>
</div>
<div>
<input id="box-persistent-helper-text" type="checkbox" disabled>
<label for="box-persistent-helper-text">Make helper text persistent</label>
</div>
<div>
<input id="box-helper-text-as-validation" type="checkbox" disabled>
<label for="box-helper-text-as-validation">
Use helper text as validation message
</label>
</div>
</section>
<section class="example" id="demo-tf-icon-container">
<h2>Text Field - Leading/Trailing icons</h2>
<div id="demo-tf-box-leading-wrapper">
<div id="tf-box-leading-example"
class="mdc-text-field mdc-text-field--box mdc-text-field--with-leading-icon" data-demo-no-auto-js>
<i class="material-icons mdc-text-field__icon" tabindex="0" role="button">event</i>
<input type="text" id="tf-box-leading" class="mdc-text-field__input">
<label for="tf-box-leading" class="mdc-floating-label">Your name</label>
<div class="mdc-line-ripple"></div>
</div>
</div>
<div id="demo-tf-box-trailing-wrapper">
<div id="tf-box-trailing-example"
class="mdc-text-field mdc-text-field--box mdc-text-field--with-trailing-icon" data-demo-no-auto-js>
<input type="text" id="tf-box-trailing" class="mdc-text-field__input">
<label for="tf-box-trailing" class="mdc-floating-label">Your other name</label>
<i class="material-icons mdc-text-field__icon" tabindex="0" role="button">delete</i>
<div class="mdc-line-ripple"></div>
</div>
</div>
<div id="demo-tf-outlined-leading-wrapper">
<div id="tf-outlined-leading-example"
class="mdc-text-field mdc-text-field--outlined mdc-text-field--with-leading-icon" data-demo-no-auto-js>
<i class="material-icons mdc-text-field__icon" tabindex="0" role="button">event</i>
<input type="text" id="tf-outlined-leading" class="mdc-text-field__input">
<label for="tf-outlined-leading" class="mdc-floating-label">Your other name</label>
<div class="mdc-notched-outline">
<svg>
<path class="mdc-notched-outline__path"/>
</svg>
</div>
<div class="mdc-notched-outline__idle"></div>
</div>
</div>
<div id="demo-tf-outlined-trailing-wrapper">
<div id="tf-outlined-trailing-example"
class="mdc-text-field mdc-text-field--outlined mdc-text-field--with-trailing-icon" data-demo-no-auto-js>
<input type="text" id="tf-outlined-trailing" class="mdc-text-field__input">
<label for="tf-outlined-trailing" class="mdc-floating-label">Your other name</label>
<i class="material-icons mdc-text-field__icon" tabindex="0" role="button">delete</i>
<div class="mdc-notched-outline">
<svg>
<path class="mdc-notched-outline__path"/>
</svg>
</div>
<div class="mdc-notched-outline__idle"></div>
</div>
</div>
<div>
<input id="disable-leading-trailing" type="checkbox">
<label for="disable-leading-trailing">Disabled</label>
</div>
<div>
<input id="rtl-leading-trailing" type="checkbox">
<label for="rtl-leading-trailing">RTL</label>
</div>
<div>
<input id="dense-leading-trailing" type="checkbox">
<label for="dense-leading-trailing">Dense</label>
</div>
<div>
<input id="unclickable-leading-trailing" type="checkbox">
<label for="unclickable-leading-trailing">Unclickable icons</label>
</div>
<div>
<input id="leading-trailing-alternate-colors" type="checkbox">
<label for="leading-trailing-alternate-colors">Alternate Colors</label>
</div>
<div>
<input id="required-leading-trailing" type="checkbox">
<label for="required-leading-trailing">Required</label>
</div>
<div>
<input id="pattern-leading-trailing" type="checkbox">
<label for="pattern-leading-trailing">Must be at least 8 characters</label>
</div>
</section>
<section class="example">
<h2>Preventing FOUC</h2>
<div class="mdc-text-field mdc-text-field--upgraded">
<input id="fouc" type="text" class="mdc-text-field__input" value="Pre-filled value">
<label for="fouc" class="mdc-floating-label mdc-floating-label--float-above">
Label floating above
</label>
<div class="mdc-line-ripple"></div>
</div>
</section>
<section class="example">
<h2>Textarea</h2>
<section id="demo-text-field-textarea-wrapper">
<div class="mdc-text-field mdc-text-field--textarea">
<textarea id="textarea" class="mdc-text-field__input" rows="8" cols="40"></textarea>
<label for="textarea" class="mdc-floating-label">Textarea Label</label>
</div>
</section>
<div>
<input id="textarea-disable" type="checkbox">
<label for="textarea-disable">Disabled</label>
</div>
<div>
<input id="textarea-rtl" type="checkbox">
<label for="textarea-rtl">RTL</label>
</div>
<div>
<input id="textarea-alternate-colors" type="checkbox">
<label for="textarea-alternate-colors">Alternate Colors</label>
</div>
<div>
<input id="textarea-required" type="checkbox">
<label for="textarea-required">Required</label>
</div>
</section>
<section class="example">
<h2>Full-Width Text Field and Textarea</h2>
<div id="demo-fullwidth-wrapper">
<div class="mdc-text-field mdc-text-field--fullwidth">
<input class="mdc-text-field__input" type="text" placeholder="Subject" aria-label="Subject">
<div class="mdc-line-ripple"></div>
</div>
<div class="mdc-text-field mdc-text-field--textarea mdc-text-field--fullwidth full-width-textarea-example">
<textarea id="full-width-textarea" class="mdc-text-field__input" rows="8"></textarea>
<label for="full-width-textarea" class="mdc-floating-label">Textarea Label</label>
</div>
</div>
<div>
<input type="checkbox" id="fullwidth-disable">
<label for="fullwidth-disable">Disabled</label>
</div>
<div>
<input type="checkbox" id="fullwidth-dense">
<label for="fullwidth-dense">Dense</label>
</div>
<div>
<input id="fullwidth-required" type="checkbox">
<label for="fullwidth-required">Required</label>
</div>
<div>
<input id="fullwidth-alternate-colors" type="checkbox">
<label for="fullwidth-alternate-colors">Alternate Colors</label>
</div>
</section>
</main>
<script src="/assets/material-components-web.js" async></script>
<script>
function toggleRequired(textfield, isRequired) {
textfield.required = isRequired;
}
function togglePattern(textfield, checked) {
textfield.pattern = checked ? '.{8,}' : '.*';
}
demoReady(function() {
var tfEl = document.getElementById('tf-outlined-example');
var tfHelperText = document.getElementById('tf-outlined-validation-msg');
var tf = new mdc.textField.MDCTextField(tfEl);
var outlinedInputEl = tfEl.querySelector('input');
var wrapper = document.getElementById('demo-tf-outlined-wrapper');
var plainHelperText = 'Helper Text (possibly validation message)';
var minLengthError = 'Must be at least 8 characters';
var maxLengthError = 'Must not exceed 10 characters';
document.getElementById('outlined-disable').addEventListener('change', function(evt) {
tf.disabled = evt.target.checked;
});
document.getElementById('outlined-rtl').addEventListener('change', function(evt) {
if (evt.target.checked) {
wrapper.setAttribute('dir', 'rtl');
} else {
wrapper.removeAttribute('dir');
}
tf.layout();
});
document.getElementById('outlined-custom-colors').addEventListener('change', function(evt) {
tfEl.classList[evt.target.checked ? 'add' : 'remove']('demo-text-field-custom-colors');
tfEl.classList[evt.target.checked ? 'add' : 'remove']('demo-text-field-custom-error-colors');
});
document.getElementById('outlined-dense').addEventListener('change', function(evt) {
tfEl.classList[evt.target.checked ? 'add' : 'remove']('mdc-text-field--dense');
tf.layout();
});
document.getElementById('outlined-required').addEventListener('change', function(evt) {
toggleRequired(tf, evt.target.checked);
});
document.getElementById('outlined-minlength').addEventListener('change', function(evt) {
tf.minLength = evt.target.checked ? 8 : 0;
});
document.getElementById('outlined-maxlength').addEventListener('change', function(evt) {
tf.maxLength = evt.target.checked ? 10 : -1;
});
outlinedInputEl.addEventListener('blur', function() {
if (outlinedInputEl.validity.tooShort) {
tf.helperTextContent = minLengthError;
} else if (outlinedInputEl.validity.tooLong) {
tf.helperTextContent = maxLengthError;
} else {
tf.helperTextContent = plainHelperText;
}
});
});
demoReady(function() {
var tfEl = document.getElementById('tf-box-example');
var tf = new mdc.textField.MDCTextField(tfEl);
var wrapper = document.getElementById('demo-tf-box-wrapper');
var helperText = document.getElementById('box-name-validation-message');
document.getElementById('box-disable').addEventListener('change', function(evt) {
tf.disabled = evt.target.checked;
});
document.getElementById('box-rtl').addEventListener('change', function(evt) {
if (evt.target.checked) {
wrapper.setAttribute('dir', 'rtl');
} else {
wrapper.removeAttribute('dir');
}
tf.layout();
});
document.getElementById('box-dense').addEventListener('change', function(evt) {
tfEl.classList[evt.target.checked ? 'add' : 'remove']('mdc-text-field--dense');
tf.layout();
});
document.getElementById('box-alternate-colors').addEventListener('change', function (evt) {
var target = evt.target;
tfEl.classList[target.checked ? 'add' : 'remove']('demo-text-field-custom-colors');
tfEl.classList[target.checked ? 'add' : 'remove']('demo-text-field-custom-error-colors');
});
document.getElementById('box-required').addEventListener('change', function(evt) {
toggleRequired(tf, evt.target.checked);
});
document.getElementById('box-pattern').addEventListener('change', function(evt) {
var checked = evt.target.checked;
var requiredHelperText = 'Must be at least 8 characters';
var plainHelperText = 'Helper Text (possibly validation message)';
togglePattern(tf, checked);
tf.helperTextContent = checked ? requiredHelperText : plainHelperText;
});
document.getElementById('box-use-helper-text').addEventListener('change', function(evt) {
var target = evt.target;
helperText.style.display = target.checked ? 'block' : 'none';
document.getElementById('box-persistent-helper-text').disabled = !target.checked;
document.getElementById('box-helper-text-as-validation').disabled = !target.checked;
});
document.getElementById('box-persistent-helper-text').addEventListener('change', function(evt) {
var target = evt.target;
helperText.classList[target.checked ? 'add' : 'remove'](
'mdc-text-field-helper-text--persistent'
);
});
document.getElementById('box-helper-text-as-validation').addEventListener('change', function(evt) {
helperText.classList[evt.target.checked ? 'add' : 'remove'](
'mdc-text-field-helper-text--validation-msg'
);
});
});
demoReady(function() {
var tfs = document.querySelectorAll(
'.mdc-text-field:not([data-demo-no-auto-js])'
);
for (var i = 0, tf; tf = tfs[i]; i++) {
mdc.textField.MDCTextField.attachTo(tf);
}
});
demoReady(function() {
var tfIconContainer = document.getElementById('demo-tf-icon-container');
var tfBoxLeadingEl = document.getElementById('tf-box-leading-example');
var tfBoxLeading = new mdc.textField.MDCTextField(tfBoxLeadingEl);
var wrapperBoxLeading = document.getElementById('demo-tf-box-leading-wrapper');
var tfBoxTrailingEl = document.getElementById('tf-box-trailing-example');
var tfBoxTrailing = new mdc.textField.MDCTextField(tfBoxTrailingEl);
var wrapperBoxTrailing = document.getElementById('demo-tf-box-trailing-wrapper');
var tfOutlinedLeadingEl = document.getElementById('tf-outlined-leading-example');
var tfOutlinedLeading = new mdc.textField.MDCTextField(tfOutlinedLeadingEl);
var wrapperOutlinedLeading = document.getElementById('demo-tf-outlined-leading-wrapper');
var tfOutlinedTrailingEl = document.getElementById('tf-outlined-trailing-example');
var tfOutlinedTrailing = new mdc.textField.MDCTextField(tfOutlinedTrailingEl);
var wrapperOutlinedTrailing = document.getElementById('demo-tf-outlined-trailing-wrapper');
var tfIcons = document.querySelectorAll('.mdc-text-field__icon');
var tfInputs = tfIconContainer.querySelectorAll('.mdc-text-field__input');
document.getElementById('disable-leading-trailing').addEventListener('change', function(evt) {
tfBoxLeading.disabled = evt.target.checked;
tfBoxTrailing.disabled = evt.target.checked;
tfOutlinedLeading.disabled = evt.target.checked;
tfOutlinedTrailing.disabled = evt.target.checked;
});
document.getElementById('rtl-leading-trailing').addEventListener('change', function(evt) {
if (evt.target.checked) {
wrapperBoxLeading.setAttribute('dir', 'rtl');
wrapperBoxTrailing.setAttribute('dir', 'rtl');
wrapperOutlinedLeading.setAttribute('dir', 'rtl');
wrapperOutlinedTrailing.setAttribute('dir', 'rtl');
} else {
wrapperBoxLeading.removeAttribute('dir');
wrapperBoxTrailing.removeAttribute('dir');
wrapperOutlinedLeading.removeAttribute('dir');
wrapperOutlinedTrailing.removeAttribute('dir');
}
tfBoxLeading.layout();
tfBoxTrailing.layout();
tfOutlinedLeading.layout();
tfOutlinedTrailing.layout();
});
document.getElementById('dense-leading-trailing').addEventListener('change', function(evt) {
tfBoxLeadingEl.classList[evt.target.checked ? 'add' : 'remove']('mdc-text-field--dense');
tfBoxLeading.layout();
tfBoxTrailingEl.classList[evt.target.checked ? 'add' : 'remove']('mdc-text-field--dense');
tfBoxTrailing.layout();
tfOutlinedLeadingEl.classList[evt.target.checked ? 'add' : 'remove']('mdc-text-field--dense');
tfOutlinedLeading.layout();
tfOutlinedTrailingEl.classList[evt.target.checked ? 'add' : 'remove']('mdc-text-field--dense');
tfOutlinedTrailing.layout();
});
document.getElementById('unclickable-leading-trailing').addEventListener('change', function(evt) {
[].forEach.call(tfIcons, function (icon) {
icon.setAttribute('tabindex', evt.target.checked ? '-1' : '0');
});
});
document.getElementById('required-leading-trailing').addEventListener('change', function(evt) {
var checked = evt.target.checked;
toggleRequired(tfBoxLeading, checked);
toggleRequired(tfBoxTrailing, checked);
toggleRequired(tfOutlinedLeading, checked);
toggleRequired(tfOutlinedTrailing, checked);
});
document.getElementById('pattern-leading-trailing').addEventListener('change', function(evt) {
var checked = evt.target.checked;
togglePattern(tfBoxLeading, checked);
togglePattern(tfBoxTrailing, checked);
togglePattern(tfOutlinedLeading, checked);
togglePattern(tfOutlinedTrailing, checked);
});
document.getElementById('leading-trailing-alternate-colors').addEventListener('change', function(evt) {
tfBoxLeadingEl.classList[evt.target.checked ? 'add' : 'remove']('demo-text-field-custom-colors');
tfBoxLeadingEl.classList[evt.target.checked ? 'add' : 'remove']('demo-text-field-custom-error-colors');
tfBoxLeading.layout();
tfBoxTrailingEl.classList[evt.target.checked ? 'add' : 'remove']('demo-text-field-custom-colors');
tfBoxTrailingEl.classList[evt.target.checked ? 'add' : 'remove']('demo-text-field-custom-error-colors');
tfBoxTrailing.layout();
tfOutlinedLeadingEl.classList[evt.target.checked ? 'add' : 'remove']('demo-text-field-custom-colors');
tfOutlinedLeadingEl.classList[evt.target.checked ? 'add' : 'remove']('demo-text-field-custom-error-colors');
tfOutlinedLeading.layout();
tfOutlinedTrailingEl.classList[evt.target.checked ? 'add' : 'remove']('demo-text-field-custom-colors');
tfOutlinedTrailingEl.classList[evt.target.checked ? 'add' : 'remove']('demo-text-field-custom-error-colors');
tfOutlinedTrailing.layout();
});
});
demoReady(function() {
var section = document.getElementById('demo-text-field-wrapper');
var tfRoot = section.querySelector('.mdc-text-field');
var helperText = section.querySelector('.mdc-text-field-helper-text');
var tf = new mdc.textField.MDCTextField(tfRoot);
document.getElementById('disable').addEventListener('change', function(evt) {
var target = evt.target;
tf.disabled = target.checked;
});
document.getElementById('rtl').addEventListener('change', function(evt) {
var target = evt.target;
if (target.checked) {
section.setAttribute('dir', 'rtl');
} else {
section.removeAttribute('dir');
}
});
document.getElementById('dense').addEventListener('change', function(evt) {
var target = evt.target;
tfRoot.classList[target.checked ? 'add' : 'remove']('mdc-text-field--dense');
});
document.getElementById('required').addEventListener('change', function(evt) {
toggleRequired(tf, evt.target.checked);
});
document.getElementById('alternate-colors').addEventListener('change', function (evt) {
var target = evt.target;
tfRoot.classList[target.checked ? 'add' : 'remove']('demo-text-field-custom-colors');
tfRoot.classList[target.checked ? 'add' : 'remove']('demo-text-field-custom-error-colors');
});
document.getElementById('use-helper-text').addEventListener('change', function(evt) {
var target = evt.target;
helperText.style.display = target.checked ? 'block' : 'none';
document.getElementById('persistent-helper-text').disabled = !target.checked;
document.getElementById('helper-text-as-validation').disabled = !target.checked;
});
document.getElementById('persistent-helper-text').addEventListener('change', function(evt) {
var target = evt.target;
helperText.classList[target.checked ? 'add' : 'remove'](
'mdc-text-field-helper-text--persistent'
);
});
document.getElementById('helper-text-as-validation').addEventListener('change', function(evt) {
var target = evt.target;
helperText.classList[target.checked ? 'add' : 'remove'](
'mdc-text-field-helper-text--validation-msg'
);
});
});
demoReady(function() {
var section = document.getElementById('demo-text-field-textarea-wrapper');
var tfRoot = section.querySelector('.mdc-text-field');
var tf = new mdc.textField.MDCTextField(tfRoot);
document.getElementById('textarea-disable').addEventListener('change', function(evt) {
var target = evt.target;
tf.disabled = target.checked;
});
document.getElementById('textarea-rtl').addEventListener('change', function(evt) {
var target = evt.target;
if (target.checked) {
section.setAttribute('dir', 'rtl');
} else {
section.removeAttribute('dir');
}
});
document.getElementById('textarea-alternate-colors').addEventListener('change', function (evt) {
var target = evt.target;
tfRoot.classList[target.checked ? 'add' : 'remove']('demo-textarea');
});
document.getElementById('textarea-required').addEventListener('change', function(evt) {
toggleRequired(tf, evt.target.checked);
});
});
demoReady(function() {
var section = document.getElementById('demo-fullwidth-wrapper');
var tfRoot = section.querySelector('.mdc-text-field');
var tfMultiRoot = section.querySelector('.mdc-text-field--textarea');
var tf = new mdc.textField.MDCTextField(tfRoot);
var tfMulti = new mdc.textField.MDCTextField(tfMultiRoot);
document.getElementById('fullwidth-disable').addEventListener('change', function(evt) {
var target = evt.target;
[tf, tfMulti].forEach(function(component) {
component.disabled = target.checked;
});
});
document.getElementById('fullwidth-dense').addEventListener('change', function(evt) {
var target = evt.target;
[tfRoot, tfMultiRoot].forEach(function(el) {
el.classList[target.checked ? 'add' : 'remove']('mdc-text-field--dense');
});
});
document.getElementById('fullwidth-required').addEventListener('change', function(evt) {
var checked = evt.target.checked;
toggleRequired(tf, checked);
toggleRequired(tfMulti, checked);
});
document.getElementById('fullwidth-alternate-colors').addEventListener('change', function (evt) {
var target = evt.target;
tfRoot.classList[target.checked ? 'add' : 'remove']('demo-fullwidth-input');
tfMultiRoot.classList[target.checked ? 'add' : 'remove']('demo-textarea');
});
});
</script>
</body>
</html>