From a2d6c1e900fe72da384ef68ced59866fd2acaae1 Mon Sep 17 00:00:00 2001
From: Susmitha Girumala <susmitha@hashicorp.com>
Date: Fri, 1 May 2020 15:12:48 -0400
Subject: [PATCH] ICU-62 -Add checkbox rose component

---
 addons/rose/addon/components/rose/checkbox.js |  19 +++
 .../styles/rose/components/_checkbox.scss     |  26 ++++
 .../addon/styles/rose/components/_index.scss  |   1 +
 .../styles/rose/utilities/_checkbox.scss      | 130 ++++++++++++++++++
 .../templates/components/rose/checkbox.hbs    |   9 ++
 addons/rose/app/components/rose/checkbox.js   |   1 +
 addons/rose/app/templates/index.hbs           |  10 +-
 addons/rose/stories/checkbox.stories.js       |  26 ++++
 .../components/rose/checkbox-test.js          |  67 +++++++++
 9 files changed, 288 insertions(+), 1 deletion(-)
 create mode 100644 addons/rose/addon/components/rose/checkbox.js
 create mode 100644 addons/rose/addon/styles/rose/components/_checkbox.scss
 create mode 100644 addons/rose/addon/styles/rose/utilities/_checkbox.scss
 create mode 100644 addons/rose/addon/templates/components/rose/checkbox.hbs
 create mode 100644 addons/rose/app/components/rose/checkbox.js
 create mode 100644 addons/rose/stories/checkbox.stories.js
 create mode 100644 addons/rose/tests/integration/components/rose/checkbox-test.js

diff --git a/addons/rose/addon/components/rose/checkbox.js b/addons/rose/addon/components/rose/checkbox.js
new file mode 100644
index 000000000..c07ab19d7
--- /dev/null
+++ b/addons/rose/addon/components/rose/checkbox.js
@@ -0,0 +1,19 @@
+import Component from '@ember/component';
+import layout from '../../templates/components/rose/checkbox';
+
+/**
+  A simple HTML `<input type="checkbox">` element wrapped in `<label>`.
+
+  @example
+    <Rose::Checkbox />
+    <Rose::Checkbox>Label</Rose::Checkbox>
+    <Rose::Checkbox @error={{true}}>Error</Rose::Checkbox>
+    <Rose::Checkbox @checked={{true}}>Checked</Rose::Checkbox>
+    <Rose::Checkbox @disabled={{true}}>Disabled</Rose::Checkbox>
+    <Rose::Checkbox @disabled={{true}} @checked={{true}}>Disabled + Checked</Rose::Checkbox>
+    <Rose::Checkbox @style="default" />
+**/
+
+export default Component.extend({
+  layout,
+});
diff --git a/addons/rose/addon/styles/rose/components/_checkbox.scss b/addons/rose/addon/styles/rose/components/_checkbox.scss
new file mode 100644
index 000000000..376b50e9a
--- /dev/null
+++ b/addons/rose/addon/styles/rose/components/_checkbox.scss
@@ -0,0 +1,26 @@
+@use '../utilities/checkbox';
+
+@include checkbox.checkbox-style(
+  'default',
+  (
+    color: var(--stark),
+    border-color: var(--ui-border),
+    background-color: var(--subtle),
+  ),
+  (
+    border-color: var(--ui-gray),
+  ),
+  (
+    border-color: var(--info),
+  ),
+  (
+    border-color: var(--failure),
+  ),
+  (
+    border-color: var(--info),
+  ),
+  (
+    border-color: var(--ui-border),
+    background-color: var(--ui-gray-subtler-4),
+  )
+);
diff --git a/addons/rose/addon/styles/rose/components/_index.scss b/addons/rose/addon/styles/rose/components/_index.scss
index dd972080b..2667fb1c7 100644
--- a/addons/rose/addon/styles/rose/components/_index.scss
+++ b/addons/rose/addon/styles/rose/components/_index.scss
@@ -1,2 +1,3 @@
 @import 'button';
 @import 'form';
+@import 'checkbox';
diff --git a/addons/rose/addon/styles/rose/utilities/_checkbox.scss b/addons/rose/addon/styles/rose/utilities/_checkbox.scss
new file mode 100644
index 000000000..4c91255ed
--- /dev/null
+++ b/addons/rose/addon/styles/rose/utilities/_checkbox.scss
@@ -0,0 +1,130 @@
+@use 'sass:map';
+
+@mixin checkbox {
+  color: var(--stark);
+  margin: 0;
+  padding: 0;
+
+  input[type='checkbox'] {
+    -webkit-appearance: none;
+    appearance: none;
+  }
+
+  input[type='checkbox'] {
+    display: inline-block;
+    position: relative;
+    padding: 0;
+    margin: 0;
+    margin-right: 10px;
+    border: 1px solid;
+    border-radius: 2px;
+    width: 16px;
+    height: 16px;
+    background: var(--subtle);
+    vertical-align: -1px;
+  }
+
+  input[type='checkbox']::before {
+    content: '';
+    position: absolute;
+    top: 4px;
+    left: 1px;
+    border-left: 2px solid;
+    border-bottom: 2px solid;
+    height: 3px;
+    width: 10px;
+    transform: rotate(-45deg);
+    visibility: hidden;
+    border-color: black;
+  }
+
+  input[type='checkbox']:checked::before {
+    visibility: visible;
+  }
+
+  input[type='checkbox']:focus {
+    outline: none;
+  }
+}
+
+@mixin checkbox-style(
+  $name,
+  $default,
+  $hover: &,
+  $focus: &,
+  $error: &,
+  $checked: &,
+  $disabled: &
+) {
+  input[type='checkbox'] {
+    -webkit-appearance: none;
+    appearance: none;
+  }
+
+  .rose-checkbox-#{$name} {
+    @include checkbox;
+    border-color: map.get($default, border-color);
+    color: map.get($default, color);
+
+    & input[type='checkbox'] {
+      border-color: map.get($default, border-color);
+      background-color: map.get($default, background-color);
+    }
+
+    & input[type='checkbox']:hover {
+      @if map.get($hover, 'border-color') {
+        border-color: map.get($hover, 'border-color');
+      }
+    }
+
+    & input[type='checkbox']:focus {
+      @if map.get($focus, 'border-color') {
+        border-color: map.get($focus, 'border-color');
+      }
+    }
+
+    @if $checked {
+      & input[type='checkbox']:checked {
+        @if map.get($checked, 'border-color') {
+          border-color: map.get($checked, 'border-color');
+        }
+      }
+
+      & input[type='checkbox']:checked::before {
+        @if map.get($checked, 'border-color') {
+          border-color: map.get($checked, 'border-color');
+        }
+      }
+    }
+
+    & input[type='checkbox']:disabled {
+      cursor: not-allowed;
+      @if map.get($disabled, 'border-color') {
+        border-color: map.get($disabled, 'border-color');
+      }
+      @if map.get($disabled, 'background-color') {
+        background-color: map.get($disabled, 'background-color');
+      }
+
+      &:checked {
+        @if map.get($disabled, 'border-color') {
+          border-color: map.get($disabled, 'border-color');
+        }
+      }
+
+      &:checked::before {
+        @if map.get($disabled, 'border-color') {
+          border-color: map.get($disabled, 'border-color');
+        }
+      }
+    }
+
+    @if $error {
+      & input[type='checkbox'].error {
+        @if map.get($error, 'border-color') {
+          border-color: map.get($error, 'border-color');
+        }
+      }
+    }
+  }
+}
diff --git a/addons/rose/addon/templates/components/rose/checkbox.hbs b/addons/rose/addon/templates/components/rose/checkbox.hbs
new file mode 100644
index 000000000..f6788646a
--- /dev/null
+++ b/addons/rose/addon/templates/components/rose/checkbox.hbs
@@ -0,0 +1,9 @@
+<label class={{concat "rose-checkbox-" (if @style @style "default")}}>
+  <input type="checkbox"
+    ...attributes
+    checked={{if @checked "checked"}}
+    disabled={{if @disabled "disabled"}}
+    class="{{if @error "error"}}"
+  />
+  {{yield}}
+</label>
diff --git a/addons/rose/app/components/rose/checkbox.js b/addons/rose/app/components/rose/checkbox.js
new file mode 100644
index 000000000..d3323b60d
--- /dev/null
+++ b/addons/rose/app/components/rose/checkbox.js
@@ -0,0 +1 @@
+export { default } from 'rose/components/rose/checkbox';
diff --git a/addons/rose/app/templates/index.hbs b/addons/rose/app/templates/index.hbs
index 45c285a23..51547ff3c 100644
--- a/addons/rose/app/templates/index.hbs
+++ b/addons/rose/app/templates/index.hbs
@@ -10,7 +10,6 @@ Dummy app index template
 <Rose::Button @style="secondary" @disabled={{true}}>Secondary</Rose::Button>
 <br>
 
-
 <Rose::Form::Input
   @label="Label"
   @value="Read only"
@@ -63,3 +62,12 @@ Dummy app index template
   @value="Text"
   disabled={{true}}
   />
+
+<h1>Checkbox</h1>
+<Rose::Checkbox></Rose::Checkbox>
+<Rose::Checkbox>Label</Rose::Checkbox>
+<Rose::Checkbox @error={{true}}>Error</Rose::Checkbox>
+<Rose::Checkbox @checked={{true}}>Checked</Rose::Checkbox>
+<Rose::Checkbox @disabled={{true}}>Disabled</Rose::Checkbox>
+<Rose::Checkbox @disabled={{true}} @checked={{true}}>Disabled + Checked</Rose::Checkbox>
+<Rose::Checkbox @style="default">Default style</Rose::Checkbox>
diff --git a/addons/rose/stories/checkbox.stories.js b/addons/rose/stories/checkbox.stories.js
new file mode 100644
index 000000000..d77ee1df6
--- /dev/null
+++ b/addons/rose/stories/checkbox.stories.js
@@ -0,0 +1,26 @@
+import { hbs } from 'ember-cli-htmlbars';
+import { text, boolean, select } from '@storybook/addon-knobs';
+
+export default {
+  title: 'Rose::Checkbox',
+};
+
+export const Normal = () => ({
+  template: hbs`
+    <Rose::Checkbox
+      @checked={{checked}}
+      @disabled={{disabled}}
+      @error={{error}}
+      @style={{style}}
+      >
+      {{text}}
+    </Rose::Checkbox>
+  `,
+  context: {
+    text: text('text', 'Checkbox 🛎'),
+    checked: boolean('checked', false),
+    disabled: boolean('disabled', false),
+    error: boolean('error', false),
+    style: select('style', { default: 'default'}, 'default')
+  },
+});
diff --git a/addons/rose/tests/integration/components/rose/checkbox-test.js b/addons/rose/tests/integration/components/rose/checkbox-test.js
new file mode 100644
index 000000000..7ecb3f6fe
--- /dev/null
+++ b/addons/rose/tests/integration/components/rose/checkbox-test.js
@@ -0,0 +1,67 @@
+import { module, test } from 'qunit';
+import { setupRenderingTest } from 'ember-qunit';
+import { render } from '@ember/test-helpers';
+import hbs from 'htmlbars-inline-precompile';
+
+module('Integration | Component | rose/checkbox', function (hooks) {
+  setupRenderingTest(hooks);
+
+  test('it renders without label', async function (assert) {
+    await render(hbs`<Rose::Checkbox />`);
+    assert.equal(this.element.textContent.trim(), '');
+    assert.equal(this.element.querySelector('input').type, 'checkbox');
+  });
+
+  test('it renders a checkbox', async function (assert) {
+    await render(hbs`<Rose::Checkbox />`);
+    assert.equal(this.element.querySelector('input').type, 'checkbox');
+  });
+
+  test('it renders with label', async function (assert) {
+    await render(hbs`<Rose::Checkbox>Label</Rose::Checkbox>`);
+    assert.equal(this.element.textContent.trim(), 'Label');
+  });
+
+  test('it is not checked', async function (assert) {
+    await render(hbs`<Rose::Checkbox />`);
+    assert.equal(this.element.querySelector('input').checked, false);
+  });
+
+  test('it is not disabled', async function (assert) {
+    await render(hbs`<Rose::Checkbox />`);
+    assert.equal(this.element.querySelector('input').disabled, false);
+  });
+
+  test('it renders with default style', async function (assert) {
+    await render(hbs`<Rose::Checkbox />`);
+    assert.equal(this.element.querySelector('label').className, 'rose-checkbox-default');
+  });
+
+  test('it is checked when @checked={{true}}', async function (assert) {
+    await render(hbs`<Rose::Checkbox @checked={{true}} />`);
+    assert.equal(this.element.querySelector('input').checked, true);
+  });
+
+  test('it marks error when @error={{true}}', async function (assert) {
+    await render(hbs`<Rose::Checkbox @error={{true}} />`);
+    assert.equal(this.element.querySelector('input').className, 'error');
+  });
+
+  test('it is disabled when @disabled={{true}}', async function (assert) {
+    await render(hbs`<Rose::Checkbox @disabled={{true}} />`);
+    assert.equal(this.element.querySelector('input').disabled, true);
+  });
+
+  test('it is disabled and checked when @disabled={{true}} and @checked={{true}}', async function (assert) {
+    await render(
+      hbs`<Rose::Checkbox @disabled={{true}} @checked={{true}}></Rose::Checkbox>`
+    );
+    assert.equal(this.element.querySelector('input').checked, true);
+    assert.equal(this.element.querySelector('input').disabled, true);
+  });
+
+  test('it adds a style class when @style defines it', async function (assert) {
+    await render(hbs`<Rose::Checkbox @style="primary" />`);
+    assert.equal(this.element.querySelector('label').className, 'rose-checkbox-primary');
+  });
+});