Carousel::renderControls() - Code Metrics - Inspection of "Fix #36: Add immutable methods, add encodeTags" - yiisoft/yii-bootstrap5 - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 566566...d0f53d )

by Alexander

created 2021-02-10 20:00 UTC

Carousel::renderControls() A

↳ Parent: Carousel

Complexity

Conditions	4
Paths	6

Size

Total Lines	30
Code Lines	18

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	4

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	4
eloc	18
c	1
b	0
f	0
nc	6
nop	0
dl	0
loc	30
ccs	13
cts	13
cp	1
crap	4
rs	9.6666

<?php

declare(strict_types=1);

namespace Yiisoft\Yii\Bootstrap5;

use JsonException;
use RuntimeException;
use Yiisoft\Arrays\ArrayHelper;
use Yiisoft\Html\Html;

use function count;
use function implode;
use function is_string;

/**
 * Carousel renders a carousel bootstrap javascript component.
 *
 * For example:
 *
 * ```php
 * echo Carousel::widget()
 *     ->items([
 *         // the item contains only the image
 *         '<img src="http://twitter.github.io/bootstrap/assets/img/bootstrap-mdo-sfmoma-01.jpg"/>',
 *         // equivalent to the above
 *         ['content' => '<img src="http://twitter.github.io/bootstrap/assets/img/bootstrap-mdo-sfmoma-02.jpg"/>'],
 *         // the item contains both the image and the caption
 *         [
 *             'content' => '<img src="http://twitter.github.io/bootstrap/assets/img/bootstrap-mdo-sfmoma-03.jpg"/>',
 *             'caption' => '<h4>This is title</h4><p>This is the caption text</p>',
 *             'captionOptions' => ['class' => ['d-none', 'd-md-block']],
 *             'options' => [...],
 *         ],
 *     ]);
 * ```
 */
final class Carousel extends Widget
{
    private array $controls = [
        '<span class="carousel-control-prev-icon" aria-hidden="true"></span><span class="visually-hidden">Previous</span>',
        '<span class="carousel-control-next-icon" aria-hidden="true"></span><span class="visually-hidden">Next</span>',
    ];
    private bool $encodeTags = false;
    private bool $showIndicators = true;
    private array $items = [];
    private bool $crossfade = false;
    private array $options = ['data-bs-ride' => 'carousel'];

    protected function run(): string
    {
        if (!isset($this->options['id'])) {
            $this->options['id'] = "{$this->getId()}-carousel";
        }

        /** @psalm-suppress InvalidArgument */
        Html::addCssClass($this->options, ['widget' => 'carousel', 'slide']);

        if ($this->crossfade) {
            Html::addCssClass($this->options, ['crossfade' => 'carousel-fade']);
        }

        if ($this->encodeTags === false) {
            $this->options['encode'] = false;
        }

        return Html::div(
            $this->renderIndicators() . $this->renderItems() . $this->renderControls(),
            $this->options
        );
    }

    /**
     * The labels for the previous and the next control buttons.
     *
     * If null, it means the previous and the next control buttons should not be displayed.
     *
     * @param array $value
     *
     * @return $this
     */
    public function controls(array $value): self
    {
        $new = clone $this;
        $new->controls = $value;

        return $new;
    }

    /**
     * Animate slides with a fade transition instead of a slide. Defaults to `false`.
     *
     * @return $this
     */
    public function withCrossfade(): self
    {
        $new = clone $this;
        $new->crossfade = true;

        return $new;
    }

    /**
     * List of slides in the carousel. Each array element represents a single slide with the following structure:
     *
     * ```php
     * [
     *     // required, slide content (HTML), such as an image tag
     *     'content' => '<img src="http://twitter.github.io/bootstrap/assets/img/bootstrap-mdo-sfmoma-01.jpg"/>',
     *     // optional, the caption (HTML) of the slide
     *     'caption' => '<h4>This is title</h4><p>This is the caption text</p>',
     *     // optional the HTML attributes of the slide container
     *     'options' => [],
     * ]
     * ```
     *
     * @param array $value
     *
     * @return $this
     */
    public function items(array $value): self
    {
        $new = clone $this;
        $new->items = $value;

        return $new;
    }

    /**
     * The HTML attributes for the container tag. The following special options are recognized.
     *
     * {@see Html::renderTagAttributes()} for details on how attributes are being rendered.
     *
     * @param array $value
     *
     * @return $this
     */
    public function options(array $value): self
    {
        $new = clone $this;
        $new->options = $value;

        return $new;
    }

    /**
     * Whether carousel indicators (<ol> tag with anchors to items) should be displayed or not.
     *
     * @return $this
     */
    public function withoutShowIndicators(): self
    {
        $new = clone $this;
        $new->showIndicators = false;

        return $new;
    }

    /**
     * Allows you to enable the encoding tags html.
     *
     * @return self
     */
    public function encodeTags(): self
    {
        $new = clone $this;
        $new->encodeTags = true;

        return $new;
    }

    /**
     * Renders carousel indicators.
     */
    private function renderIndicators(): string
    {
        if ($this->showIndicators === false) {
            return '';
        }

        $indicators = [];

        for ($i = 0, $count = count($this->items); $i < $count; $i++) {
            $options = ['data-bs-target' => '#' . $this->options['id'], 'data-bs-slide-to' => $i];
            if ($i === 0) {
                /** @psalm-suppress InvalidArgument */
                Html::addCssClass($options, ['active' => 'active']);
            }
            $indicators[] = Html::tag('li', '', $options);
        }

        $indicatorOptions = ['class' => ['carousel-indicators']];

        if ($this->encodeTags === false) {
            $indicatorOptions['encode'] = false;
        }

        return Html::tag('ol', implode("\n", $indicators), $indicatorOptions);
    }

    /**
     * Renders carousel items as specified on {@see items}.
     */
    private function renderItems(): string
    {
        $items = [];

        foreach ($this->items as $i => $iValue) {
            $items[] = $this->renderItem($iValue, $i);
        }

        $itemOptions = ['class' => 'carousel-inner'];

        if ($this->encodeTags === false) {
            $itemOptions['encode'] = false;
        }

        return Html::div(implode("\n", $items), $itemOptions);
    }

    /**
     * Renders a single carousel item
     *
     * @param array|string $item a single item from {@see items}
     * @param int $index the item index as the first item should be set to `active`
     *
     * @throws JsonException|RuntimeException if the item is invalid.
     *
     * @return string the rendering result.
     */
    private function renderItem($item, int $index): string
    {
        if (is_string($item)) {
            $content = $item;
            $caption = null;
            $options = [];
        } elseif (isset($item['content'])) {
            $content = $item['content'];
            $caption = ArrayHelper::getValue($item, 'caption');

            if ($caption !== null) {
                $captionOptions = ArrayHelper::remove($item, 'captionOptions', []);
                Html::addCssClass($captionOptions, ['captionOptions' => 'carousel-caption']);

                if ($this->encodeTags === false) {
                    $captionOptions['encode'] = false;
                }

                $caption = Html::div($caption, $captionOptions);
            }

            $options = ArrayHelper::getValue($item, 'options', []);
        } else {
            throw new RuntimeException('The "content" option is required.');
        }

        Html::addCssClass($options, ['widget' => 'carousel-item']);

        if ($this->encodeTags === false) {
            $options['encode'] = false;
        }

        if ($index === 0) {
            Html::addCssClass($options, ['active' => 'active']);
        }

        return Html::div($content . "\n" . $caption, $options);
    }

    /**
     * Renders previous and next control buttons.
     *
     * @throws JsonException|RuntimeException if {@see controls} is invalid.
     *
     * @return string
     */
    private function renderControls(): string
    {
        $controlsOptions0 = [
            'class' => 'carousel-control-prev',
            'data-bs-slide' => 'prev',
            'role' => 'button',
        ];

        $controlsOptions1 = [
            'class' => 'carousel-control-next',
            'data-bs-slide' => 'next',
            'role' => 'button',
        ];

        if ($this->encodeTags === false) {
            $controlsOptions0['encode'] = false;
            $controlsOptions1['encode'] = false;
        }

        if (isset($this->controls[0], $this->controls[1])) {
            return Html::a($this->controls[0], '#' . $this->options['id'], $controlsOptions0) . "\n" .
                Html::a($this->controls[1], '#' . $this->options['id'], $controlsOptions1);
        }

        if ($this->controls === []) {
            return '';
        }

        throw new RuntimeException(
            'The "controls" property must be either null or an array of two elements.'
        );
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Yii\Bootstrap5;
6
7		use JsonException;
8		use RuntimeException;
9		use Yiisoft\Arrays\ArrayHelper;
10		use Yiisoft\Html\Html;
11
12		use function count;
13		use function implode;
14		use function is_string;
15
16		/**
17		* Carousel renders a carousel bootstrap javascript component.
18		*
19		* For example:
20		*
21		* ```php
22		* echo Carousel::widget()
23		* ->items([
24		* // the item contains only the image
25		* '<img src="http://twitter.github.io/bootstrap/assets/img/bootstrap-mdo-sfmoma-01.jpg"/>',
26		* // equivalent to the above
27		* ['content' => '<img src="http://twitter.github.io/bootstrap/assets/img/bootstrap-mdo-sfmoma-02.jpg"/>'],
28		* // the item contains both the image and the caption
29		* [
30		* 'content' => '<img src="http://twitter.github.io/bootstrap/assets/img/bootstrap-mdo-sfmoma-03.jpg"/>',
31		* 'caption' => '<h4>This is title</h4><p>This is the caption text</p>',
32		* 'captionOptions' => ['class' => ['d-none', 'd-md-block']],
33		* 'options' => [...],
34		* ],
35		* ]);
36		* ```
37		*/
38		final class Carousel extends Widget
39		{
40		private array $controls = [
41		'<span class="carousel-control-prev-icon" aria-hidden="true"></span><span class="visually-hidden">Previous</span>',
42		'<span class="carousel-control-next-icon" aria-hidden="true"></span><span class="visually-hidden">Next</span>',
43		];
44		private bool $encodeTags = false;
45		private bool $showIndicators = true;
46		private array $items = [];
47		private bool $crossfade = false;
48		private array $options = ['data-bs-ride' => 'carousel'];
49
50	9	protected function run(): string
51		{
52	9	if (!isset($this->options['id'])) {
53	9	$this->options['id'] = "{$this->getId()}-carousel";
54		}
55
56		/** @psalm-suppress InvalidArgument */
57	9	Html::addCssClass($this->options, ['widget' => 'carousel', 'slide']);
58
59	9	if ($this->crossfade) {
60	1	Html::addCssClass($this->options, ['crossfade' => 'carousel-fade']);
61		}
62
63	9	if ($this->encodeTags === false) {
64	8	$this->options['encode'] = false;
65		}
66
67	9	return Html::div(
68	9	$this->renderIndicators() . $this->renderItems() . $this->renderControls(),
69	7	$this->options
70		);
71		}
72
73		/**
74		* The labels for the previous and the next control buttons.
75		*
76		* If null, it means the previous and the next control buttons should not be displayed.
77		*
78		* @param array $value
79		*
80		* @return $this
81		*/
82	2	public function controls(array $value): self
83		{
84	2	$new = clone $this;
85	2	$new->controls = $value;
86
87	2	return $new;
88		}
89
90		/**
91		* Animate slides with a fade transition instead of a slide. Defaults to `false`.
92		*
93		* @return $this
94		*/
95	1	public function withCrossfade(): self
96		{
97	1	$new = clone $this;
98	1	$new->crossfade = true;
99
100	1	return $new;
101		}
102
103		/**
104		* List of slides in the carousel. Each array element represents a single slide with the following structure:
105		*
106		* ```php
107		* [
108		* // required, slide content (HTML), such as an image tag
109		* 'content' => '<img src="http://twitter.github.io/bootstrap/assets/img/bootstrap-mdo-sfmoma-01.jpg"/>',
110		* // optional, the caption (HTML) of the slide
111		* 'caption' => '<h4>This is title</h4><p>This is the caption text</p>',
112		* // optional the HTML attributes of the slide container
113		* 'options' => [],
114		* ]
115		* ```
116		*
117		* @param array $value
118		*
119		* @return $this
120		*/
121	9	public function items(array $value): self
122		{
123	9	$new = clone $this;
124	9	$new->items = $value;
125
126	9	return $new;
127		}
128
129		/**
130		* The HTML attributes for the container tag. The following special options are recognized.
131		*
132		* {@see Html::renderTagAttributes()} for details on how attributes are being rendered.
133		*
134		* @param array $value
135		*
136		* @return $this
137		*/
138	1	public function options(array $value): self
139		{
140	1	$new = clone $this;
141	1	$new->options = $value;
142
143	1	return $new;
144		}
145
146		/**
147		* Whether carousel indicators (<ol> tag with anchors to items) should be displayed or not.
148		*
149		* @return $this
150		*/
151	1	public function withoutShowIndicators(): self
152		{
153	1	$new = clone $this;
154	1	$new->showIndicators = false;
155
156	1	return $new;
157		}
158
159		/**
160		* Allows you to enable the encoding tags html.
161		*
162		* @return self
163		*/
164	1	public function encodeTags(): self
165		{
166	1	$new = clone $this;
167	1	$new->encodeTags = true;
168
169	1	return $new;
170		}
171
172		/**
173		* Renders carousel indicators.
174		*/
175	9	private function renderIndicators(): string
176		{
177	9	if ($this->showIndicators === false) {
178	1	return '';
179		}
180
181	8	$indicators = [];
182
183	8	for ($i = 0, $count = count($this->items); $i < $count; $i++) {
184	8	$options = ['data-bs-target' => '#' . $this->options['id'], 'data-bs-slide-to' => $i];
185	8	if ($i === 0) {
186		/** @psalm-suppress InvalidArgument */
187	8	Html::addCssClass($options, ['active' => 'active']);
188		}
189	8	$indicators[] = Html::tag('li', '', $options);
190		}
191
192	8	$indicatorOptions = ['class' => ['carousel-indicators']];
193
194	8	if ($this->encodeTags === false) {
195	7	$indicatorOptions['encode'] = false;
196		}
197
198	8	return Html::tag('ol', implode("\n", $indicators), $indicatorOptions);
199		}
200
201		/**
202		* Renders carousel items as specified on {@see items}.
203		*/
204	9	private function renderItems(): string
205		{
206	9	$items = [];
207
208	9	foreach ($this->items as $i => $iValue) {
209	9	$items[] = $this->renderItem($iValue, $i);
210		}
211
212	8	$itemOptions = ['class' => 'carousel-inner'];
213
214	8	if ($this->encodeTags === false) {
215	7	$itemOptions['encode'] = false;
216		}
217
218	8	return Html::div(implode("\n", $items), $itemOptions);
219		}
220
221		/**
222		* Renders a single carousel item
223		*
224		* @param array\|string $item a single item from {@see items}
225		* @param int $index the item index as the first item should be set to `active`
226		*
227		* @throws JsonException\|RuntimeException if the item is invalid.
228		*
229		* @return string the rendering result.
230		*/
231	9	private function renderItem($item, int $index): string
232		{
233	9	if (is_string($item)) {
234	1	$content = $item;
235	1	$caption = null;
236	1	$options = [];
237	8	} elseif (isset($item['content'])) {
238	7	$content = $item['content'];
239	7	$caption = ArrayHelper::getValue($item, 'caption');
240
241	7	if ($caption !== null) {
242	7	$captionOptions = ArrayHelper::remove($item, 'captionOptions', []);
243	7	Html::addCssClass($captionOptions, ['captionOptions' => 'carousel-caption']);
244
245	7	if ($this->encodeTags === false) {
246	6	$captionOptions['encode'] = false;
247		}
248
249	7	$caption = Html::div($caption, $captionOptions);
250		}
251
252	7	$options = ArrayHelper::getValue($item, 'options', []);
253		} else {
254	1	throw new RuntimeException('The "content" option is required.');
255		}
256
257	8	Html::addCssClass($options, ['widget' => 'carousel-item']);
258
259	8	if ($this->encodeTags === false) {
260	7	$options['encode'] = false;
261		}
262
263	8	if ($index === 0) {
264	8	Html::addCssClass($options, ['active' => 'active']);
265		}
266
267	8	return Html::div($content . "\n" . $caption, $options);
268		}
269
270		/**
271		* Renders previous and next control buttons.
272		*
273		* @throws JsonException\|RuntimeException if {@see controls} is invalid.
274		*
275		* @return string
276		*/
277	8	private function renderControls(): string
278		{
279		$controlsOptions0 = [
280	8	'class' => 'carousel-control-prev',
281		'data-bs-slide' => 'prev',
282		'role' => 'button',
283		];
284
285		$controlsOptions1 = [
286	8	'class' => 'carousel-control-next',
287		'data-bs-slide' => 'next',
288		'role' => 'button',
289		];
290
291	8	if ($this->encodeTags === false) {
292	7	$controlsOptions0['encode'] = false;
293	7	$controlsOptions1['encode'] = false;
294		}
295
296	8	if (isset($this->controls[0], $this->controls[1])) {
297	6	return Html::a($this->controls[0], '#' . $this->options['id'], $controlsOptions0) . "\n" .
298	6	Html::a($this->controls[1], '#' . $this->options['id'], $controlsOptions1);
299		}
300
301	2	if ($this->controls === []) {
302	1	return '';
303		}
304
305	1	throw new RuntimeException(
306	1	'The "controls" property must be either null or an array of two elements.'
307		);
308		}
309		}
310

yiisoft / yii-bootstrap5

Push — master ( 566566...d0f53d )

Carousel::renderControls() A

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