Carousel::render() - Code Metrics - Inspection of "Update `yiisoft/widget` to `2.0` (#101)" - yiisoft/yii-bootstrap5 - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 2301b1...386ec7 )

by Alexander

created 2023-01-24 20:55 UTC

Carousel::render() A

↳ Parent: Carousel

Complexity

Conditions	3
Paths	4

Size

Total Lines	19
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	12
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	10
nc	4
nop	0
dl	0
loc	19
ccs	12
cts	12
cp	1
crap	3
rs	9.9332
c	0
b	0
f	0

<?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'];

    public function render(): 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']);
        }

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

    /**
     * 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
     */
    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`.
     */
    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
     */
    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
     */
    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.
     */
    public function withoutShowIndicators(): self
    {
        $new = clone $this;
        $new->showIndicators = false;

        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']];

        return Html::tag('ol', implode("\n", $indicators), $indicatorOptions)
            ->encode($this->encodeTags)
            ->render();
    }

    /**
     * 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'];

        return Html::div(implode("\n", $items), $itemOptions)
            ->encode($this->encodeTags)
            ->render();
    }

    /**
     * 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(array|string $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']);

                $caption = Html::div($caption, $captionOptions)
                    ->encode($this->encodeTags)
                    ->render();
            }

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

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

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

        return Html::div($content . "\n" . $caption, $options)
            ->encode($this->encodeTags)
            ->render();
    }

    /**
     * Renders previous and next control buttons.
     *
     * @throws JsonException|RuntimeException if {@see controls} is invalid.
     */
    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 (isset($this->controls[0], $this->controls[1])) {
            return Html::a($this->controls[0], '#' . $this->options['id'], $controlsOptions0)->encode($this->encodeTags) . "\n" .
                Html::a($this->controls[1], '#' . $this->options['id'], $controlsOptions1)->encode($this->encodeTags);
        }

        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 $options = ['data-bs-ride' => 'carousel'];
49
50	8	public function render(): string
51		{
52	8	if (!isset($this->options['id'])) {
53	8	$this->options['id'] = "{$this->getId()}-carousel";
54		}
55
56		/** @psalm-suppress InvalidArgument */
57	8	Html::addCssClass($this->options, ['widget' => 'carousel', 'slide']);
58
59	8	if ($this->crossfade) {
60	1	Html::addCssClass($this->options, ['crossfade' => 'carousel-fade']);
61		}
62
63	8	return Html::div(
64	8	$this->renderIndicators() . $this->renderItems() . $this->renderControls(),
65	8	$this->options
66	8	)
67	8	->encode($this->encodeTags)
68	8	->render();
69		}
70
71		/**
72		* The labels for the previous and the next control buttons.
73		*
74		* If null, it means the previous and the next control buttons should not be displayed.
75		*
76		* @param array $value
77		*/
78	2	public function controls(array $value): self
79		{
80	2	$new = clone $this;
81	2	$new->controls = $value;
82
83	2	return $new;
84		}
85
86		/**
87		* Animate slides with a fade transition instead of a slide. Defaults to `false`.
88		*/
89	1	public function withCrossfade(): self
90		{
91	1	$new = clone $this;
92	1	$new->crossfade = true;
93
94	1	return $new;
95		}
96
97		/**
98		* List of slides in the carousel. Each array element represents a single slide with the following structure:
99		*
100		* ```php
101		* [
102		* // required, slide content (HTML), such as an image tag
103		* 'content' => '<img src="http://twitter.github.io/bootstrap/assets/img/bootstrap-mdo-sfmoma-01.jpg"/>',
104		* // optional, the caption (HTML) of the slide
105		* 'caption' => '<h4>This is title</h4><p>This is the caption text</p>',
106		* // optional the HTML attributes of the slide container
107		* 'options' => [],
108		* ]
109		* ```
110		*
111		* @param array $value
112		*/
113	8	public function items(array $value): self
114		{
115	8	$new = clone $this;
116	8	$new->items = $value;
117
118	8	return $new;
119		}
120
121		/**
122		* The HTML attributes for the container tag. The following special options are recognized.
123		*
124		* {@see Html::renderTagAttributes()} for details on how attributes are being rendered.
125		*
126		* @param array $value
127		*/
128	1	public function options(array $value): self
129		{
130	1	$new = clone $this;
131	1	$new->options = $value;
132
133	1	return $new;
134		}
135
136		/**
137		* Whether carousel indicators (<ol> tag with anchors to items) should be displayed or not.
138		*/
139	1	public function withoutShowIndicators(): self
140		{
141	1	$new = clone $this;
142	1	$new->showIndicators = false;
143
144	1	return $new;
145		}
146
147		/**
148		* Renders carousel indicators.
149		*/
150	8	private function renderIndicators(): string
151		{
152	8	if ($this->showIndicators === false) {
153	1	return '';
154		}
155
156	7	$indicators = [];
157
158	7	for ($i = 0, $count = count($this->items); $i < $count; $i++) {
159	7	$options = ['data-bs-target' => '#' . $this->options['id'], 'data-bs-slide-to' => $i];
160	7	if ($i === 0) {
161		/** @psalm-suppress InvalidArgument */
162	7	Html::addCssClass($options, ['active' => 'active']);
163		}
164	7	$indicators[] = Html::tag('li', '', $options);
165		}
166
167	7	$indicatorOptions = ['class' => ['carousel-indicators']];
168
169	7	return Html::tag('ol', implode("\n", $indicators), $indicatorOptions)
170	7	->encode($this->encodeTags)
171	7	->render();
172		}
173
174		/**
175		* Renders carousel items as specified on {@see items}.
176		*/
177	8	private function renderItems(): string
178		{
179	8	$items = [];
180
181	8	foreach ($this->items as $i => $iValue) {
182	8	$items[] = $this->renderItem($iValue, $i);
183		}
184
185	7	$itemOptions = ['class' => 'carousel-inner'];
186
187	7	return Html::div(implode("\n", $items), $itemOptions)
188	7	->encode($this->encodeTags)
189	7	->render();
190		}
191
192		/**
193		* Renders a single carousel item
194		*
195		* @param array\|string $item a single item from {@see items}
196		* @param int $index the item index as the first item should be set to `active`
197		*
198		* @throws JsonException\|RuntimeException if the item is invalid.
199		*
200		* @return string the rendering result.
201		*/
202	8	private function renderItem(array\|string $item, int $index): string
203		{
204	8	if (is_string($item)) {
		0 ignored issues – show introduced 2022-12-13 11:08 UTC by Report Bug Copy Issue Report The condition `is_string($item)` is always `false`. Loading history...
205	1	$content = $item;
206	1	$caption = null;
207	1	$options = [];
208	7	} elseif (isset($item['content'])) {
209	6	$content = $item['content'];
210	6	$caption = ArrayHelper::getValue($item, 'caption');
211
212	6	if ($caption !== null) {
213	6	$captionOptions = ArrayHelper::remove($item, 'captionOptions', []);
214	6	Html::addCssClass($captionOptions, ['captionOptions' => 'carousel-caption']);
215
216	6	$caption = Html::div($caption, $captionOptions)
217	6	->encode($this->encodeTags)
218	6	->render();
219		}
220
221	6	$options = ArrayHelper::getValue($item, 'options', []);
222		} else {
223	1	throw new RuntimeException('The "content" option is required.');
224		}
225
226	7	Html::addCssClass($options, ['widget' => 'carousel-item']);
227
228	7	if ($index === 0) {
229	7	Html::addCssClass($options, ['active' => 'active']);
230		}
231
232	7	return Html::div($content . "\n" . $caption, $options)
233	7	->encode($this->encodeTags)
234	7	->render();
235		}
236
237		/**
238		* Renders previous and next control buttons.
239		*
240		* @throws JsonException\|RuntimeException if {@see controls} is invalid.
241		*/
242	7	private function renderControls(): string
243		{
244	7	$controlsOptions0 = [
245	7	'class' => 'carousel-control-prev',
246	7	'data-bs-slide' => 'prev',
247	7	'role' => 'button',
248	7	];
249
250	7	$controlsOptions1 = [
251	7	'class' => 'carousel-control-next',
252	7	'data-bs-slide' => 'next',
253	7	'role' => 'button',
254	7	];
255
256	7	if (isset($this->controls[0], $this->controls[1])) {
257	5	return Html::a($this->controls[0], '#' . $this->options['id'], $controlsOptions0)->encode($this->encodeTags) . "\n" .
258	5	Html::a($this->controls[1], '#' . $this->options['id'], $controlsOptions1)->encode($this->encodeTags);
259		}
260
261	2	if ($this->controls === []) {
262	1	return '';
263		}
264
265	1	throw new RuntimeException(
266	1	'The "controls" property must be either null or an array of two elements.'
267	1	);
268		}
269		}
270

yiisoft / yii-bootstrap5

Push — master ( 2301b1...386ec7 )

Carousel::render() A

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like