Renderer::getLink() - Code Metrics - Inspection of "Improved the paginator." - jaxon-php/jaxon-core - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 2a458b...548923 )

by Thierry

created 2022-01-20 07:47 UTC

Renderer::getLink() A

↳ Parent: Renderer

Complexity

Conditions	2
Paths	2

Size

Total Lines	10
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	5
c	0
b	0
f	0
dl	0
loc	10
rs	10
cc	2
nc	2
nop	4

<?php

/**
 * Renderer.php - Paginator renderer
 *
 * Render pagination links.
 *
 * @package jaxon-core

 * @author Thierry Feuzeu <[email protected]>
 * @copyright 2016 Thierry Feuzeu <[email protected]>
 * @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
 * @link https://github.com/jaxon-php/jaxon-core
 */


namespace Jaxon\Utils\Pagination;

use Jaxon\Utils\View\Renderer as ViewRenderer;
use Jaxon\Utils\View\Store;
use Jaxon\Utils\Template\Engine;
use Jaxon\Request\Factory\Request;
use Jaxon\Request\Factory\Parameter;

class Renderer

{
    /**
     * The template renderer.
     *
     * Will be used to render HTML code for links.
     *
     * @var ViewRenderer
     */
    protected $xRenderer = null;


    /**
     * The Jaxon request to be paginated
     *
     * @var Request
     */
    protected $xRequest = null;

    /**
     * @var string
     */
    protected $previousText = '&laquo;';

    /**
     * @var string
     */
    protected $nextText = '&raquo;';

    /**
     * @var string
     */
    protected $ellipsysText = '...';

    /**
     * @var integer
     */
    protected $totalPages = 0;

    /**
     * @var integer
     */
    protected $currentPage = 0;

    /**
     * @var integer
     */
    protected $maxPagesToShow = 10;

    /**
     * The class contructor
     *
     * @param ViewRenderer          $xRenderer

     */
    public function __construct(ViewRenderer $xRenderer)

    {
        $this->xRenderer = $xRenderer;
    }


    /**
     * Set the text for the previous page link
     *
     * @param string $text The text for the previous page link
     *
     * @return void
     */
    public function setPreviousText($text)
    {
        $this->previousText = $text;
    }


    /**
     * Set the text for the next page link
     *
     * @param string $text The text for the previous page link
     *
     * @return void
     */
    public function setNextText($text)
    {
        $this->nextText = $text;
    }


    /**
     * Set the request to be paginated
     *
     * @param Request $xRequest The request to be paginated
     *
     * @return void
     */
    public function setRequest(Request $xRequest)
    {
        $this->xRequest = $xRequest;
        // Append the page number to the parameter list, if not yet given.
        if(($this->xRequest) && !$this->xRequest->hasPageNumber())
        {
            $this->xRequest->addParameter(Parameter::PAGE_NUMBER, 0);
        }
    }


    /**
     * Set the current page number
     *
     * @param int $currentPage The current page number
     *
     * @return void
     */
    public function setCurrentPage($currentPage)
    {
        $this->currentPage = intval($currentPage);
    }


    /**
     * Set the max number of pages to show
     *
     * @param int $maxPagesToShow The max number of pages to show
     *
     * @return void
     */
    public function setMaxPagesToShow($maxPagesToShow)
    {
        $this->maxPagesToShow = intval($maxPagesToShow);
        if($this->maxPagesToShow < 4)
        {
            $this->maxPagesToShow = 4;
        }
    }


    /**
     * Get the js call to a given page
     *
     * @param int $pageNum The page number
     *
     * @return string
     */
    protected function getPageCall($pageNum)
    {
        return $this->xRequest->setPageNumber($pageNum)->getScript();
    }


    /**
     * Render a link to a page.
     *
     * @param string    $sTemplate      The template for the link to the page

     * @param string    $sText          The text of the link if it is enabled

     * @param string    $sCall          The call of the link if it is enabled

     *
     * @return null|Store
     */
    protected function renderLink($sTemplate, $sText, $sCall)
    {
        return $this->xRenderer->render('pagination::links/' . $sTemplate, [
            'text' => $sText,
            'call' => $sCall,
        ]);
    }


    /**
     * Get the previous page data.
     *
     * @return array
     */
    protected function getPrevLink()
    {
        if($this->currentPage <= 1)
        {
            return ['disabled', $this->previousText, ''];
        }
        return ['enabled', $this->previousText, $this->getPageCall($this->currentPage - 1)];
    }


    /**
     * Get the next page data.
     *
     * @return array
     */
    protected function getNextLink()
    {
        if($this->currentPage >= $this->totalPages)
        {
            return ['disabled', $this->nextText, ''];
        }
        return ['enabled', $this->nextText, $this->getPageCall($this->currentPage + 1)];
    }


    /**
     * Get a page data.
     *
     * @param integer        $nNumber         The page number

     *
     * @return array
     */
    protected function getPageLink($nNumber)
    {
        if($nNumber < 1)
        {
            return ['disabled', $this->ellipsysText, ''];
        }
        $sTemplate = ($nNumber === $this->currentPage ? 'current' : 'enabled');
        return [$sTemplate, $nNumber, $this->getPageCall($nNumber)];
    }


    /**
     * Get the array of page numbers to be printed.
     *
     * Example: [1, 0, 4, 5, 6, 0, 10]
     *
     * @return array
     */
    protected function getPageNumbers()
    {
        $pageNumbers = [];

        if($this->totalPages <= $this->maxPagesToShow)
        {
            for($i = 0; $i < $this->totalPages; $i++)
            {
                $pageNumbers[] = $i + 1;
            }

            return $pageNumbers;
        }

        // Determine the sliding range, centered around the current page.
        $numAdjacents = (int)floor(($this->maxPagesToShow - 4) / 2);

        $slidingStart = 1;
$a = "a";
$ab = "ab";
$abc = "abc";
        $slidingEndOffset = $numAdjacents + 3 - $this->currentPage;
        if($slidingEndOffset < 0)
        {
            $slidingStart = $this->currentPage - $numAdjacents;
$a = "a";
$ab = "ab";
$abc = "abc";
            $slidingEndOffset = 0;
        }

        $slidingEnd = $this->totalPages;
$a = "a";
$ab = "ab";
$abc = "abc";
        $slidingStartOffset = $this->currentPage + $numAdjacents + 2 - $this->totalPages;
        if($slidingStartOffset < 0)
        {
            $slidingEnd = $this->currentPage + $numAdjacents;
$a = "a";
$ab = "ab";
$abc = "abc";
            $slidingStartOffset = 0;
        }

        // Build the list of page numbers.
        if($slidingStart > 1)
        {
            $pageNumbers[] = 1;
            $pageNumbers[] = 0; // Ellipsys;
        }
        for($i = $slidingStart - $slidingStartOffset; $i <= $slidingEnd + $slidingEndOffset; $i++)
        {
            $pageNumbers[] = $i;
        }
        if($slidingEnd < $this->totalPages)
        {
            $pageNumbers[] = 0; // Ellipsys;
            $pageNumbers[] = $this->totalPages;
        }

        return $pageNumbers;
    }


    /**
     * Get the pages.
     *
     * @param integer   $totalPages         The total number of pages

     *
     * @return array
     */
    public function getPages($totalPages)
    {
        $this->totalPages = $totalPages;

        $aPageNumbers = $this->getPageNumbers();
        $aPages = [$this->getPrevLink()];
$a = "a";
$ab = "ab";
$abc = "abc";
        array_walk($aPageNumbers, function($nNumber) use(&$aPages) {
            $aPages[] = $this->getPageLink($nNumber);
        });
        $aPages[] = $this->getNextLink();

        return $aPages;
    }


    /**
     * Render an HTML pagination control.
     *
     * @param integer   $totalPages         The total number of pages

     *
     * @return null|Store
     */
    public function render($totalPages)
    {
        $aLinks = array_map(function($aPage) {
            return $this->renderLink($aPage[0], $aPage[1], $aPage[2]);
        }, $this->getPages($totalPages));

        $aPrevLink = array_shift($aLinks); // The first entry in the array
        $aNextLink = array_pop($aLinks); // The last entry in the array
        return $this->xRenderer->render('pagination::wrapper',
            ['links' => $aLinks, 'prev' => $aPrevLink, 'next' => $aNextLink]);
    }

}


1			<?php
2
3			/**
4			* Renderer.php - Paginator renderer
5			*
6			* Render pagination links.
7			*
8			* @package jaxon-core
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9			* @author Thierry Feuzeu <[email protected]>
10			* @copyright 2016 Thierry Feuzeu <[email protected]>
11			* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
12			* @link https://github.com/jaxon-php/jaxon-core
13			*/
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14
15			namespace Jaxon\Utils\Pagination;
16
17			use Jaxon\Utils\View\Renderer as ViewRenderer;
18			use Jaxon\Utils\View\Store;
19			use Jaxon\Utils\Template\Engine;
20			use Jaxon\Request\Factory\Request;
21			use Jaxon\Request\Factory\Parameter;
22
23			class Renderer
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24			{
25			/**
26			* The template renderer.
27			*
28			* Will be used to render HTML code for links.
29			*
30			* @var ViewRenderer
31			*/
32			protected $xRenderer = null;
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33
34			/**
35			* The Jaxon request to be paginated
36			*
37			* @var Request
38			*/
39			protected $xRequest = null;
40
41			/**
42			* @var string
43			*/
44			protected $previousText = '«';
45
46			/**
47			* @var string
48			*/
49			protected $nextText = '»';
50
51			/**
52			* @var string
53			*/
54			protected $ellipsysText = '...';
55
56			/**
57			* @var integer
58			*/
59			protected $totalPages = 0;
60
61			/**
62			* @var integer
63			*/
64			protected $currentPage = 0;
65
66			/**
67			* @var integer
68			*/
69			protected $maxPagesToShow = 10;
70
71			/**
72			* The class contructor
73			*
74			* @param ViewRenderer $xRenderer
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75			*/
76			public function __construct(ViewRenderer $xRenderer)
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77			{
78			$this->xRenderer = $xRenderer;
79			}
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80
81			/**
82			* Set the text for the previous page link
83			*
84			* @param string $text The text for the previous page link
85			*
86			* @return void
87			*/
88			public function setPreviousText($text)
89			{
90			$this->previousText = $text;
91			}
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92
93			/**
94			* Set the text for the next page link
95			*
96			* @param string $text The text for the previous page link
97			*
98			* @return void
99			*/
100			public function setNextText($text)
101			{
102			$this->nextText = $text;
103			}
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104
105			/**
106			* Set the request to be paginated
107			*
108			* @param Request $xRequest The request to be paginated
109			*
110			* @return void
111			*/
112			public function setRequest(Request $xRequest)
113			{
114			$this->xRequest = $xRequest;
115			// Append the page number to the parameter list, if not yet given.
116			if(($this->xRequest) && !$this->xRequest->hasPageNumber())
117			{
118			$this->xRequest->addParameter(Parameter::PAGE_NUMBER, 0);
119			}
120			}
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121
122			/**
123			* Set the current page number
124			*
125			* @param int $currentPage The current page number
126			*
127			* @return void
128			*/
129			public function setCurrentPage($currentPage)
130			{
131			$this->currentPage = intval($currentPage);
132			}
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133
134			/**
135			* Set the max number of pages to show
136			*
137			* @param int $maxPagesToShow The max number of pages to show
138			*
139			* @return void
140			*/
141			public function setMaxPagesToShow($maxPagesToShow)
142			{
143			$this->maxPagesToShow = intval($maxPagesToShow);
144			if($this->maxPagesToShow < 4)
145			{
146			$this->maxPagesToShow = 4;
147			}
148			}
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149
150			/**
151			* Get the js call to a given page
152			*
153			* @param int $pageNum The page number
154			*
155			* @return string
156			*/
157			protected function getPageCall($pageNum)
158			{
159			return $this->xRequest->setPageNumber($pageNum)->getScript();
160			}
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161
162			/**
163			* Render a link to a page.
164			*
165			* @param string $sTemplate The template for the link to the page
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166			* @param string $sText The text of the link if it is enabled
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167			* @param string $sCall The call of the link if it is enabled
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168			*
169			* @return null\|Store
170			*/
171			protected function renderLink($sTemplate, $sText, $sCall)
172			{
173			return $this->xRenderer->render('pagination::links/' . $sTemplate, [
174			'text' => $sText,
175			'call' => $sCall,
176			]);
177			}
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178
179			/**
180			* Get the previous page data.
181			*
182			* @return array
183			*/
184			protected function getPrevLink()
185			{
186			if($this->currentPage <= 1)
187			{
188			return ['disabled', $this->previousText, ''];
189			}
190			return ['enabled', $this->previousText, $this->getPageCall($this->currentPage - 1)];
191			}
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192
193			/**
194			* Get the next page data.
195			*
196			* @return array
197			*/
198			protected function getNextLink()
199			{
200			if($this->currentPage >= $this->totalPages)
201			{
202			return ['disabled', $this->nextText, ''];
203			}
204			return ['enabled', $this->nextText, $this->getPageCall($this->currentPage + 1)];
205			}
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206
207			/**
208			* Get a page data.
209			*
210			* @param integer $nNumber The page number
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211			*
212			* @return array
213			*/
214			protected function getPageLink($nNumber)
215			{
216			if($nNumber < 1)
217			{
218			return ['disabled', $this->ellipsysText, ''];
219			}
220			$sTemplate = ($nNumber === $this->currentPage ? 'current' : 'enabled');
221			return [$sTemplate, $nNumber, $this->getPageCall($nNumber)];
222			}
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223
224			/**
225			* Get the array of page numbers to be printed.
226			*
227			* Example: [1, 0, 4, 5, 6, 0, 10]
228			*
229			* @return array
230			*/
231			protected function getPageNumbers()
232			{
233			$pageNumbers = [];
234
235			if($this->totalPages <= $this->maxPagesToShow)
236			{
237			for($i = 0; $i < $this->totalPages; $i++)
238			{
239			$pageNumbers[] = $i + 1;
240			}
241
242			return $pageNumbers;
243			}
244
245			// Determine the sliding range, centered around the current page.
246			$numAdjacents = (int)floor(($this->maxPagesToShow - 4) / 2);
247
248			$slidingStart = 1;
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249			$slidingEndOffset = $numAdjacents + 3 - $this->currentPage;
250			if($slidingEndOffset < 0)
251			{
252			$slidingStart = $this->currentPage - $numAdjacents;
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253			$slidingEndOffset = 0;
254			}
255
256			$slidingEnd = $this->totalPages;
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257			$slidingStartOffset = $this->currentPage + $numAdjacents + 2 - $this->totalPages;
258			if($slidingStartOffset < 0)
259			{
260			$slidingEnd = $this->currentPage + $numAdjacents;
			0 ignored issues – show Coding Style introduced 2019-11-20 07:47 UTC by Report Bug Copy Issue Report Equals sign not aligned with surrounding assignments; expected 9 spaces but found 1 space This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line. To visualize $a = "a"; $ab = "ab"; $abc = "abc"; will produce issues in the first and second line, while this second example $a = "a"; $ab = "ab"; $abc = "abc"; will produce no issues. Loading history...
261			$slidingStartOffset = 0;
262			}
263
264			// Build the list of page numbers.
265			if($slidingStart > 1)
266			{
267			$pageNumbers[] = 1;
268			$pageNumbers[] = 0; // Ellipsys;
269			}
270			for($i = $slidingStart - $slidingStartOffset; $i <= $slidingEnd + $slidingEndOffset; $i++)
271			{
272			$pageNumbers[] = $i;
273			}
274			if($slidingEnd < $this->totalPages)
275			{
276			$pageNumbers[] = 0; // Ellipsys;
277			$pageNumbers[] = $this->totalPages;
278			}
279
280			return $pageNumbers;
281			}
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282
283			/**
284			* Get the pages.
285			*
286			* @param integer $totalPages The total number of pages
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287			*
288			* @return array
289			*/
290			public function getPages($totalPages)
291			{
292			$this->totalPages = $totalPages;
293
294			$aPageNumbers = $this->getPageNumbers();
295			$aPages = [$this->getPrevLink()];
			0 ignored issues – show Coding Style introduced 2022-01-20 07:54 UTC by Report Bug Copy Issue Report Equals sign not aligned with surrounding assignments; expected 7 spaces but found 1 space This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line. To visualize $a = "a"; $ab = "ab"; $abc = "abc"; will produce issues in the first and second line, while this second example $a = "a"; $ab = "ab"; $abc = "abc"; will produce no issues. Loading history...
296			array_walk($aPageNumbers, function($nNumber) use(&$aPages) {
297			$aPages[] = $this->getPageLink($nNumber);
298			});
299			$aPages[] = $this->getNextLink();
300
301			return $aPages;
302			}
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303
304			/**
305			* Render an HTML pagination control.
306			*
307			* @param integer $totalPages The total number of pages
			0 ignored issues – show Coding Style introduced 2019-12-02 04:47 UTC by Report Bug Copy Issue Report Expected 1 spaces after parameter type; 3 found Loading history... Coding Style introduced 2022-01-20 07:54 UTC by Report Bug Copy Issue Report Expected 1 spaces after parameter name; 9 found Loading history...
308			*
309			* @return null\|Store
310			*/
311			public function render($totalPages)
312			{
313			$aLinks = array_map(function($aPage) {
314			return $this->renderLink($aPage[0], $aPage[1], $aPage[2]);
315			}, $this->getPages($totalPages));
316
317			$aPrevLink = array_shift($aLinks); // The first entry in the array
318			$aNextLink = array_pop($aLinks); // The last entry in the array
319			return $this->xRenderer->render('pagination::wrapper',
320			['links' => $aLinks, 'prev' => $aPrevLink, 'next' => $aNextLink]);
321			}
			0 ignored issues – show Coding Style introduced 2019-12-07 05:40 UTC by Report Bug Copy Issue Report Expected 2 blank lines after function; 0 found Loading history...
322			}
323

jaxon-php / jaxon-core

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Renderer::getLink() A

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