LazyLoad::init() - Code Metrics - Inspection of "Lazyload widget update" - luyadev/luya - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#1868)

by Marc

created 2018-10-25 14:34 UTC

LazyLoad::init() B

↳ Parent: LazyLoad

Complexity

Conditions	3
Paths	3

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	70
rs	8.6545
c	0
b	0
f	0
cc	3
nc	3
nop	0

How to fix Long Method

<?php

namespace luya\lazyload;

use luya\base\Widget;
use yii\base\InvalidConfigException;
use yii\helpers\Html;
use luya\web\View;

/**
 * Image Lazy Loader.
 *
 * ```php
 * <?= LazyLoad::widget(['src' => 'http://www.zephir.ch/img/zephir-logo.png']); ?>
 * ```
 *
 * In order to read more visit the [[concept-lazyload.md]] guide section.
 *
 * @author Basil Suter <[email protected]>
 * @author Marc Stampfli <[email protected]>
 * @since 1.0.0
 */
class LazyLoad extends Widget
{
    const JS_ASSET_KEY = 'lazyload.js.register';

    const CSS_ASSET_KEY = 'lazyload.css.register';

    /**
     * @var string The path to the image you want to lazy load.
     */
    public $src;

    /**
     * @var string Path for the placeholder image that will be base64 encoded.
     */
    public $placeholderSrc;

    /**
     * @var integer The width of the image, this information should be provided in order to display a placeholder.
     */
    public $width;

    /**
     * @var integer The height of the image, this information should be provided in order to display a placeholder.
     */
    public $height;

    /**
     * @var boolean Define whether a full image tag should be return or only the attributes. This can be applied when using the lazy loader in background images.
     */
    public $attributesOnly = false;

    /**
     * @var string Additional classes for the lazy load image.
     */
    public $extraClass;

    /**
     * @inheritdoc
     */
    public function init()
    {
        parent::init();

        if ($this->src === null) {
            throw new InvalidConfigException("The parameter src is required by the lazyload widget.");
        }

        // register the asset file
        LazyLoadAsset::register($this->view);

        // register js and css code with keys in order to ensure the registration is done only once
        $this->view->registerJs("$('.lazy-image').lazyLoad();", View::POS_READY, self::JS_ASSET_KEY);

        if ($this->placeholderSrc) {
            $this->view->registerCss("
                .lazyimage-wrapper {
                    display: block;
                    width: 100%;
                    position: relative;
                    overflow: hidden;
                }
                .lazyimage {
                    position: absolute;
                    top: 50%;
                    left: 50%;
                    bottom: 0;
                    right: 0;
                    opacity: 0;
                    height: 100%;
                    width: 100%;
                    -webkit-transition: 1s ease-in-out opacity;
                    transition: 1s ease-in-out opacity;
                    -webkit-transform: translate(-50%,-50%);
                    transform: translate(-50%,-50%);
                    -o-object-fit: cover;
                    object-fit: cover;
                    -o-object-position: center center;
                    object-position: center center;
                    z-index: 20;
                }
                .lazyimage.loaded {
                    opacity: 1;
                }
                .lazyimage-placeholder-image {
                    display: block;
                    width: 100%;
                    height: auto;
                }
                .nojs .lazyimage,
                .nojs .lazyimage-placeholder-image,
                .no-js .lazyimage,
                .no-js .lazyimage-placeholder-image {
                    display: none;
                }
            ", [], self::CSS_ASSET_KEY);
        } else {
            $this->view->registerCss("
                .lazy-image {
                    display: none;
                }
                .lazy-image.loaded {
                    display: block;
                }
                .lazy-placeholder {
                    background-color: #f2f2f2;
                }
            ", [], self::CSS_ASSET_KEY);
        }
    }

    /**
     * @inheritdoc
     */
    public function run()
    {
        $class = ($this->placeholderSrc ? 'lazyimage-wrapper' : 'lazy-image') . ' ' . $this->extraClass;

        if ($this->attributesOnly && !$this->placeholderSrc) {
            return "class=\"{$class}\" data-src=\"$this->src\" data-width=\"$this->width\" data-height=\"$this->height\" data-as-background=\"1\"";
        }

        if ($this->placeholderSrc) {
            $tag = '<div class="' . $class . '">';
            $tag .= Html::tag('img', '', ['class' => 'lazy-image lazyimage', 'data-src' => $this->src]);
            $tag .= Html::tag('img', '', ['class' => 'lazyimage-placeholder-image', 'src' => $this->placeholderSrc]);
            $tag .= '<noscript><img class="lazyimage-image" src="' . $this->src . '" /></noscript>';
            $tag .= '</div>';
        } else {
            $tag = Html::tag('img', '', ['class' => $class, 'data-src' => $this->src, 'data-width' => $this->width, 'data-height' => $this->height]);
            $tag .= '<noscript><img class="'.$class.'" src="'.$this->src.'" /></noscript>';
        }

        return $tag;
    }
}


1			<?php
2
3			namespace luya\lazyload;
4
5			use luya\base\Widget;
6			use yii\base\InvalidConfigException;
7			use yii\helpers\Html;
8			use luya\web\View;
9
10			/**
11			* Image Lazy Loader.
12			*
13			* ```php
14			* <?= LazyLoad::widget(['src' => 'http://www.zephir.ch/img/zephir-logo.png']); ?>
15			* ```
16			*
17			* In order to read more visit the [[concept-lazyload.md]] guide section.
18			*
19			* @author Basil Suter <[email protected]>
20			* @author Marc Stampfli <[email protected]>
21			* @since 1.0.0
22			*/
23			class LazyLoad extends Widget
24			{
25			const JS_ASSET_KEY = 'lazyload.js.register';
26
27			const CSS_ASSET_KEY = 'lazyload.css.register';
28
29			/**
30			* @var string The path to the image you want to lazy load.
31			*/
32			public $src;
33
34			/**
35			* @var string Path for the placeholder image that will be base64 encoded.
36			*/
37			public $placeholderSrc;
38
39			/**
40			* @var integer The width of the image, this information should be provided in order to display a placeholder.
41			*/
42			public $width;
43
44			/**
45			* @var integer The height of the image, this information should be provided in order to display a placeholder.
46			*/
47			public $height;
48
49			/**
50			* @var boolean Define whether a full image tag should be return or only the attributes. This can be applied when using the lazy loader in background images.
51			*/
52			public $attributesOnly = false;
53
54			/**
55			* @var string Additional classes for the lazy load image.
56			*/
57			public $extraClass;
58
59			/**
60			* @inheritdoc
61			*/
62			public function init()
63			{
64			parent::init();
65
66			if ($this->src === null) {
67			throw new InvalidConfigException("The parameter src is required by the lazyload widget.");
68			}
69
70			// register the asset file
71			LazyLoadAsset::register($this->view);
72
73			// register js and css code with keys in order to ensure the registration is done only once
74			$this->view->registerJs("$('.lazy-image').lazyLoad();", View::POS_READY, self::JS_ASSET_KEY);
75
76			if ($this->placeholderSrc) {
77			$this->view->registerCss("
78			.lazyimage-wrapper {
79			display: block;
80			width: 100%;
81			position: relative;
82			overflow: hidden;
83			}
84			.lazyimage {
85			position: absolute;
86			top: 50%;
87			left: 50%;
88			bottom: 0;
89			right: 0;
90			opacity: 0;
91			height: 100%;
92			width: 100%;
93			-webkit-transition: 1s ease-in-out opacity;
94			transition: 1s ease-in-out opacity;
95			-webkit-transform: translate(-50%,-50%);
96			transform: translate(-50%,-50%);
97			-o-object-fit: cover;
98			object-fit: cover;
99			-o-object-position: center center;
100			object-position: center center;
101			z-index: 20;
102			}
103			.lazyimage.loaded {
104			opacity: 1;
105			}
106			.lazyimage-placeholder-image {
107			display: block;
108			width: 100%;
109			height: auto;
110			}
111			.nojs .lazyimage,
112			.nojs .lazyimage-placeholder-image,
113			.no-js .lazyimage,
114			.no-js .lazyimage-placeholder-image {
115			display: none;
116			}
117			", [], self::CSS_ASSET_KEY);
118			} else {
119			$this->view->registerCss("
120			.lazy-image {
121			display: none;
122			}
123			.lazy-image.loaded {
124			display: block;
125			}
126			.lazy-placeholder {
127			background-color: #f2f2f2;
128			}
129			", [], self::CSS_ASSET_KEY);
130			}
131			}
132
133			/**
134			* @inheritdoc
135			*/
136			public function run()
137			{
138			$class = ($this->placeholderSrc ? 'lazyimage-wrapper' : 'lazy-image') . ' ' . $this->extraClass;
139
140			if ($this->attributesOnly && !$this->placeholderSrc) {
141			return "class=\"{$class}\" data-src=\"$this->src\" data-width=\"$this->width\" data-height=\"$this->height\" data-as-background=\"1\"";
142			}
143
144			if ($this->placeholderSrc) {
145			$tag = '<div class="' . $class . '">';
146			$tag .= Html::tag('img', '', ['class' => 'lazy-image lazyimage', 'data-src' => $this->src]);
147			$tag .= Html::tag('img', '', ['class' => 'lazyimage-placeholder-image', 'src' => $this->placeholderSrc]);
148			$tag .= '<noscript><img class="lazyimage-image" src="' . $this->src . '" /></noscript>';
149			$tag .= '</div>';
150			} else {
151			$tag = Html::tag('img', '', ['class' => $class, 'data-src' => $this->src, 'data-width' => $this->width, 'data-height' => $this->height]);
152			$tag .= '<noscript><img class="'.$class.'" src="'.$this->src.'" /></noscript>';
153			}
154
155			return $tag;
156			}
157			}
158

luyadev / luya

Pull Request — master (#1868)

LazyLoad::init() B

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