DefaultView::previous() - Code Metrics - Inspection of "Move to PHP >= 7.0 (#245)" - whiteoctober/Pagerfanta - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 8400ab...233003 )

unknown

created 2018-05-01 10:58 UTC

DefaultView::previous() A

↳ Parent: DefaultView

Complexity

Conditions	2
Paths	2

Size

Total Lines	8
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	8
c	0
b	0
f	0
ccs	4
cts	4
cp	1
rs	9.4285
cc	2
eloc	4
nc	2
nop	0
crap	2

<?php

/*
 * This file is part of the Pagerfanta package.
 *
 * (c) Pablo Díez <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Pagerfanta\View;

use Pagerfanta\PagerfantaInterface;
use Pagerfanta\View\Template\TemplateInterface;
use Pagerfanta\View\Template\DefaultTemplate;

/**
 * @author Pablo Díez <[email protected]>
 */
class DefaultView implements ViewInterface
{
    private $template;

    private $pagerfanta;
    private $proximity;

    private $currentPage;
    private $nbPages;

    private $startPage;
    private $endPage;

    public function __construct(TemplateInterface $template = null)
    {
        $this->template = $template ?: $this->createDefaultTemplate();
    }

    protected function createDefaultTemplate()
    {
        return new DefaultTemplate();
    }

    /**
     * {@inheritdoc}
     */
    public function render(PagerfantaInterface $pagerfanta, $routeGenerator, array $options = array())
    {
        $this->initializePagerfanta($pagerfanta);
        $this->initializeOptions($options);

        $this->configureTemplate($routeGenerator, $options);

        return $this->generate();
    }

    private function initializePagerfanta(PagerfantaInterface $pagerfanta)
    {
        $this->pagerfanta = $pagerfanta;

        $this->currentPage = $pagerfanta->getCurrentPage();
        $this->nbPages = $pagerfanta->getNbPages();
    }

    private function initializeOptions($options)
    {
        $this->proximity = isset($options['proximity']) ?
                           (int) $options['proximity'] :
                           $this->getDefaultProximity();
    }

    protected function getDefaultProximity()
    {
        return 2;
    }

    private function configureTemplate($routeGenerator, $options)
    {
        $this->template->setRouteGenerator($routeGenerator);
        $this->template->setOptions($options);
    }

    private function generate()
    {
        $pages = $this->generatePages();

        return $this->generateContainer($pages);
    }

    private function generateContainer($pages)
    {
        return str_replace('%pages%', $pages, $this->template->container());
    }

    private function generatePages()
    {
        $this->calculateStartAndEndPage();

        return $this->previous().
               $this->first().
               $this->secondIfStartIs3().
               $this->dotsIfStartIsOver3().
               $this->pages().
               $this->dotsIfEndIsUnder3ToLast().
               $this->secondToLastIfEndIs3ToLast().
               $this->last().
               $this->next();
    }

    private function calculateStartAndEndPage()
    {
        $startPage = $this->currentPage - $this->proximity;
        $endPage = $this->currentPage + $this->proximity;

        if ($this->startPageUnderflow($startPage)) {
            $endPage = $this->calculateEndPageForStartPageUnderflow($startPage, $endPage);
            $startPage = 1;
        }
        if ($this->endPageOverflow($endPage)) {
            $startPage = $this->calculateStartPageForEndPageOverflow($startPage, $endPage);
            $endPage = $this->nbPages;
        }

        $this->startPage = $startPage;
        $this->endPage = $endPage;
    }

    private function startPageUnderflow($startPage)
    {
        return $startPage < 1;
    }

    private function endPageOverflow($endPage)
    {
        return $endPage > $this->nbPages;
    }

    private function calculateEndPageForStartPageUnderflow($startPage, $endPage)
    {
        return min($endPage + (1 - $startPage), $this->nbPages);
    }

    private function calculateStartPageForEndPageOverflow($startPage, $endPage)
    {
        return max($startPage - ($endPage - $this->nbPages), 1);
    }

    private function previous()
    {
        if ($this->pagerfanta->hasPreviousPage()) {
            return $this->template->previousEnabled($this->pagerfanta->getPreviousPage());
        }

        return $this->template->previousDisabled();
    }

    private function first()
    {
        if ($this->startPage > 1) {
            return $this->template->first();
        }
    }

    private function secondIfStartIs3()
    {
        if ($this->startPage == 3) {
            return $this->template->page(2);
        }
    }

    private function dotsIfStartIsOver3()
    {
        if ($this->startPage > 3) {
            return $this->template->separator();
        }
    }

    private function pages()
    {
        $pages = '';

        foreach (range($this->startPage, $this->endPage) as $page) {
            $pages .= $this->page($page);
        }

        return $pages;
    }

    private function page($page)
    {
        if ($page == $this->currentPage) {
            return $this->template->current($page);
        }

        return $this->template->page($page);
    }

    private function dotsIfEndIsUnder3ToLast()
    {
        if ($this->endPage < $this->toLast(3)) {
            return $this->template->separator();
        }
    }

    private function secondToLastIfEndIs3ToLast()
    {
        if ($this->endPage == $this->toLast(3)) {
            return $this->template->page($this->toLast(2));
        }
    }

    private function toLast($n)
    {
        return $this->pagerfanta->getNbPages() - ($n - 1);
    }

    private function last()
    {
        if ($this->pagerfanta->getNbPages() > $this->endPage) {
            return $this->template->last($this->pagerfanta->getNbPages());
        }
    }

    private function next()
    {
        if ($this->pagerfanta->hasNextPage()) {
            return $this->template->nextEnabled($this->pagerfanta->getNextPage());
        }

        return $this->template->nextDisabled();
    }

    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'default';
    }
}

/*

CSS:

.pagerfanta {
}

.pagerfanta a,
.pagerfanta span {
    display: inline-block;
    border: 1px solid blue;
    color: blue;
    margin-right: .2em;
    padding: .25em .35em;
}

.pagerfanta a {
    text-decoration: none;
}

.pagerfanta a:hover {
    background: #ccf;
}

.pagerfanta .dots {
    border-width: 0;
}

.pagerfanta .current {
    background: #ccf;
    font-weight: bold;
}

.pagerfanta .disabled {
    border-color: #ccf;
    color: #ccf;
}

COLORS:

.pagerfanta a,
.pagerfanta span {
    border-color: blue;
    color: blue;
}

.pagerfanta a:hover {
    background: #ccf;
}

.pagerfanta .current {
    background: #ccf;
}

.pagerfanta .disabled {
    border-color: #ccf;
    color: #cf;
}

*/


1		<?php
2
3		/*
4		* This file is part of the Pagerfanta package.
5		*
6		* (c) Pablo Díez <[email protected]>
7		*
8		* For the full copyright and license information, please view the LICENSE
9		* file that was distributed with this source code.
10		*/
11
12		namespace Pagerfanta\View;
13
14		use Pagerfanta\PagerfantaInterface;
15		use Pagerfanta\View\Template\TemplateInterface;
16		use Pagerfanta\View\Template\DefaultTemplate;
17
18		/**
19		* @author Pablo Díez <[email protected]>
20		*/
21		class DefaultView implements ViewInterface
22		{
23		private $template;
24
25		private $pagerfanta;
26		private $proximity;
27
28		private $currentPage;
29		private $nbPages;
30
31		private $startPage;
32		private $endPage;
33
34	52	public function __construct(TemplateInterface $template = null)
35		{
36	52	$this->template = $template ?: $this->createDefaultTemplate();
37	52	}
38
39	11	protected function createDefaultTemplate()
40		{
41	11	return new DefaultTemplate();
42		}
43
44		/**
45		* {@inheritdoc}
46		*/
47	52	public function render(PagerfantaInterface $pagerfanta, $routeGenerator, array $options = array())
48		{
49	52	$this->initializePagerfanta($pagerfanta);
50	52	$this->initializeOptions($options);
51
52	52	$this->configureTemplate($routeGenerator, $options);
53
54	52	return $this->generate();
55		}
56
57	52	private function initializePagerfanta(PagerfantaInterface $pagerfanta)
58		{
59	52	$this->pagerfanta = $pagerfanta;
60
61	52	$this->currentPage = $pagerfanta->getCurrentPage();
62	52	$this->nbPages = $pagerfanta->getNbPages();
63	52	}
64
65	52	private function initializeOptions($options)
66		{
67	52	$this->proximity = isset($options['proximity']) ?
68	5	(int) $options['proximity'] :
69	47	$this->getDefaultProximity();
70	52	}
71
72	11	protected function getDefaultProximity()
73		{
74	11	return 2;
75		}
76
77	52	private function configureTemplate($routeGenerator, $options)
78		{
79	52	$this->template->setRouteGenerator($routeGenerator);
80	52	$this->template->setOptions($options);
81	52	}
82
83	52	private function generate()
84		{
85	52	$pages = $this->generatePages();
86
87	52	return $this->generateContainer($pages);
88		}
89
90	52	private function generateContainer($pages)
91		{
92	52	return str_replace('%pages%', $pages, $this->template->container());
93		}
94
95	52	private function generatePages()
96		{
97	52	$this->calculateStartAndEndPage();
98
99	52	return $this->previous().
100	52	$this->first().
101	52	$this->secondIfStartIs3().
102	52	$this->dotsIfStartIsOver3().
103	52	$this->pages().
104	52	$this->dotsIfEndIsUnder3ToLast().
105	52	$this->secondToLastIfEndIs3ToLast().
106	52	$this->last().
107	52	$this->next();
108		}
109
110	52	private function calculateStartAndEndPage()
111		{
112	52	$startPage = $this->currentPage - $this->proximity;
113	52	$endPage = $this->currentPage + $this->proximity;
114
115	52	if ($this->startPageUnderflow($startPage)) {
116	11	$endPage = $this->calculateEndPageForStartPageUnderflow($startPage, $endPage);
117	11	$startPage = 1;
118		}
119	52	if ($this->endPageOverflow($endPage)) {
120	5	$startPage = $this->calculateStartPageForEndPageOverflow($startPage, $endPage);
121	5	$endPage = $this->nbPages;
122		}
123
124	52	$this->startPage = $startPage;
125	52	$this->endPage = $endPage;
126	52	}
127
128	52	private function startPageUnderflow($startPage)
129		{
130	52	return $startPage < 1;
131		}
132
133	52	private function endPageOverflow($endPage)
134		{
135	52	return $endPage > $this->nbPages;
136		}
137
138	11	private function calculateEndPageForStartPageUnderflow($startPage, $endPage)
139		{
140	11	return min($endPage + (1 - $startPage), $this->nbPages);
141		}
142
143	5	private function calculateStartPageForEndPageOverflow($startPage, $endPage)
144		{
145	5	return max($startPage - ($endPage - $this->nbPages), 1);
146		}
147
148	52	private function previous()
149		{
150	52	if ($this->pagerfanta->hasPreviousPage()) {
151	41	return $this->template->previousEnabled($this->pagerfanta->getPreviousPage());
152		}
153
154	11	return $this->template->previousDisabled();
155		}
156
157	52	private function first()
158		{
159	52	if ($this->startPage > 1) {
160	37	return $this->template->first();
161		}
162	15	}
163
164	52	private function secondIfStartIs3()
165		{
166	52	if ($this->startPage == 3) {
167	1	return $this->template->page(2);
168		}
169	51	}
170
171	52	private function dotsIfStartIsOver3()
172		{
173	52	if ($this->startPage > 3) {
174	31	return $this->template->separator();
175		}
176	21	}
177
178	52	private function pages()
179		{
180	52	$pages = '';
181
182	52	foreach (range($this->startPage, $this->endPage) as $page) {
183	52	$pages .= $this->page($page);
184		}
185
186	52	return $pages;
187		}
188
189	52	private function page($page)
190		{
191	52	if ($page == $this->currentPage) {
192	52	return $this->template->current($page);
193		}
194
195	52	return $this->template->page($page);
196		}
197
198	52	private function dotsIfEndIsUnder3ToLast()
199		{
200	52	if ($this->endPage < $this->toLast(3)) {
201	37	return $this->template->separator();
202		}
203	15	}
204
205	52	private function secondToLastIfEndIs3ToLast()
206		{
207	52	if ($this->endPage == $this->toLast(3)) {
208	1	return $this->template->page($this->toLast(2));
209		}
210	51	}
211
212	52	private function toLast($n)
213		{
214	52	return $this->pagerfanta->getNbPages() - ($n - 1);
215		}
216
217	52	private function last()
218		{
219	52	if ($this->pagerfanta->getNbPages() > $this->endPage) {
220	43	return $this->template->last($this->pagerfanta->getNbPages());
221		}
222	9	}
223
224	52	private function next()
225		{
226	52	if ($this->pagerfanta->hasNextPage()) {
227	47	return $this->template->nextEnabled($this->pagerfanta->getNextPage());
228		}
229
230	5	return $this->template->nextDisabled();
231		}
232
233		/**
234		* {@inheritdoc}
235		*/
236		public function getName()
237		{
238		return 'default';
239		}
240		}
241
242		/*
243
244		CSS:
245
246		.pagerfanta {
247		}
248
249		.pagerfanta a,
250		.pagerfanta span {
251		display: inline-block;
252		border: 1px solid blue;
253		color: blue;
254		margin-right: .2em;
255		padding: .25em .35em;
256		}
257
258		.pagerfanta a {
259		text-decoration: none;
260		}
261
262		.pagerfanta a:hover {
263		background: #ccf;
264		}
265
266		.pagerfanta .dots {
267		border-width: 0;
268		}
269
270		.pagerfanta .current {
271		background: #ccf;
272		font-weight: bold;
273		}
274
275		.pagerfanta .disabled {
276		border-color: #ccf;
277		color: #ccf;
278		}
279
280		COLORS:
281
282		.pagerfanta a,
283		.pagerfanta span {
284		border-color: blue;
285		color: blue;
286		}
287
288		.pagerfanta a:hover {
289		background: #ccf;
290		}
291
292		.pagerfanta .current {
293		background: #ccf;
294		}
295
296		.pagerfanta .disabled {
297		border-color: #ccf;
298		color: #cf;
299		}
300
301		*/
302

whiteoctober / Pagerfanta

Push — master ( 8400ab...233003 )

DefaultView::previous() A

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