ImageModal::assertImageModalNotSuppressed() - Code Metrics - Inspection of "Localisation updates from https://translatewiki.ne..." - oetterer/BootstrapComponents - Measure and Improve Code Quality continuously with Scrutinizer

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created 2018-06-25 06:18 UTC

ImageModal::assertImageModalNotSuppressed() A

↳ Parent: ImageModal

Complexity

Conditions	6
Paths	4

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	6

Importance

Changes

Metric	Value
dl	0
loc	12
ccs	7
cts	7
cp	1
rs	9.2222
c	0
b	0
f	0
cc	6
nc	4
nop	1
crap	6

<?php
/**
 * Contains the class for replacing image normal image display with a modal.
 *
 * @copyright (C) 2018, Tobias Oetterer, Paderborn University
 * @license       https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License, version 3 (or later)
 *
 * This file is part of the MediaWiki extension BootstrapComponents.
 * The BootstrapComponents extension is free software: you can redistribute it
 * and/or modify it under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * The BootstrapComponents extension is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 * @file
 * @ingroup       BootstrapComponents
 * @author        Tobias Oetterer
 */

namespace BootstrapComponents;

use \Linker;
use \Html;
use \MediaWiki\MediaWikiServices;
use \RequestContext;
use \Title;

/**
 * Class ImageModal
 *
 * @since 1.0
 */
class ImageModal implements NestableInterface {

	const CSS_CLASS_PREVENTING_MODAL = 'no-modal';

	/**
	 * The components listed here prevent the generation of an image modal.
	 * @var array
	 */
	const PARENTS_PREVENTING_MODAL = [ 'button', 'collapse ', 'image_modal', 'modal', 'popover', 'tooltip' ];

	/**
	 * @var \DummyLinker $dummyLinker
	 */
	private $dummyLinker;

	/**
	 * @var \File $file
	 */
	private $file;

	/**
	 * @var string $id
	 */
	private $id;

	/**
	 * @var NestingController $nestingController
	 */
	private $nestingController;

	/**
	 * @var NestableInterface|false $parentComponent
	 */
	private $parentComponent;

	/**
	 * @var ParserOutputHelper $parserOutputHelper
	 */
	private $parserOutputHelper;

	/**
	 * @var bool $disableSourceLink
	 */
	private $disableSourceLink;

	/**
	 * @var Title $title
	 */
	private $title;

	/**
	 * ImageModal constructor.
	 *
	 * @param \DummyLinker       $dummyLinker
	 * @param \Title             $title
	 * @param \File              $file
	 * @param NestingController  $nestingController
	 * @param ParserOutputHelper $parserOutputHelper DI for unit testing
	 *
	 * @throws \MWException cascading {@see \BootstrapComponents\ApplicationFactory} methods
	 */
	public function __construct( $dummyLinker, $title, $file, $nestingController = null, $parserOutputHelper = null ) {
		$this->file = $file;
		$this->dummyLinker = $dummyLinker;
		$this->title = $title;

		$this->nestingController = is_null( $nestingController )
			? ApplicationFactory::getInstance()->getNestingController()
			: $nestingController;
		$this->parserOutputHelper = is_null( $parserOutputHelper )
			? ApplicationFactory::getInstance()->getParserOutputHelper()
			: $parserOutputHelper ;

		$this->parentComponent = $this->getNestingController()->getCurrentElement();
		$this->id = $this->getNestingController()->generateUniqueId(
			$this->getComponentName()
		);
		$this->disableSourceLink = false;
	}

	/**
	 * @inheritdoc
	 */
	public function getComponentName() {
		return "image_modal";
	}

	/**
	 * @inheritdoc
	 */
	public function getId() {
		return $this->id;
	}

	/**
	 * @param array       $frameParams   Associative array of parameters external to the media handler.
	 *                                   Boolean parameters are indicated by presence or absence, the value is arbitrary and
	 *                                   will often be false.
	 *                                   thumbnail       If present, downscale and frame
	 *                                   manualthumb     Image name to use as a thumbnail, instead of automatic scaling
	 *                                   framed          Shows image in original size in a frame
	 *                                   frameless       Downscale but don't frame
	 *                                   upright         If present, tweak default sizes for portrait orientation
	 *                                   upright_factor  Fudge factor for "upright" tweak (default 0.75)
	 *                                   border          If present, show a border around the image
	 *                                   align           Horizontal alignment (left, right, center, none)
	 *                                   valign          Vertical alignment (baseline, sub, super, top, text-top, middle,
	 *                                                   bottom, text-bottom)
	 *                                   alt             Alternate text for image (i.e. alt attribute). Plain text.
	 *                                   class           HTML for image classes. Plain text.
	 *                                   caption         HTML for image caption.
	 *                                   link-url        URL to link to
	 *                                   link-title      Title object to link to
	 *                                   link-target     Value for the target attribute, only with link-url
	 *                                   no-link         Boolean, suppress description link
	 * @param array       $handlerParams Associative array of media handler parameters, to be passed
	 *                                   to transform(). Typical keys are "width" and "page".
	 * @param string|bool $time          Timestamp of the file, set as false for current
	 * @param string      $res           Final HTML output, used if this returns false
	 *
	 * @throws \MWException     cascading {@see \BootstrapComponents\NestingController::open}
	 * @throws \ConfigException cascading {@see \BootstrapComponents\ImageModal::generateTrigger}
	 *
	 * @return bool
	 */
	public function parse( &$frameParams, &$handlerParams, &$time, &$res ) {

		if ( !$this->assertResponsibility( $this->getFile(), $frameParams ) ) {
			wfDebugLog( 'BootstrapComponents', 'Image modal relegating image rendering back to Linker.php.' );
			return true;
		}

		// it's on us, let's do some modal-ing
		$this->augmentParserOutput();
		$this->getNestingController()->open( $this );

		$sanitizedFrameParams = $this->sanitizeFrameParams( $frameParams );
		$handlerParams['page'] = isset( $handlerParams['page'] ) ? $handlerParams['page'] : false;

		$res = $this->turnParamsIntoModal( $sanitizedFrameParams, $handlerParams );

		$this->getNestingController()->close(
			$this->getId()
		);

		if ( $res === '' ) {
			// ImageModal::turnParamsIntoModal returns the empty string, when something went wrong
			return true;
		}
		return false;
	}

	/**
	 * After this, all bool params ( 'thumbnail', 'framed', 'frameless', 'border' ) are true, if they were present before, false otherwise and all
	 * string params are set (to the original value or the empty string).
	 *
	 * This method is public, because it is used in {@see \BootstrapComponents\Tests\ImageModalTest::doTestCompareTriggerWithOriginalThumb}
	 *
	 * @param array $frameParams
	 *
	 * @return array
	 */
	public function sanitizeFrameParams( $frameParams ) {
		foreach ( [ 'thumbnail', 'framed', 'frameless', 'border' ] as $boolField ) {
			$frameParams[$boolField] = isset( $frameParams[$boolField] );
		}
		foreach ( [ 'align', 'alt', 'caption', 'class', 'title', 'valign' ] as $stringField ) {
			$frameParams[$stringField] = !empty( $frameParams[$stringField] ) ? $frameParams[$stringField] : false;
		}
		$frameParams['caption'] = $this->preventModalInception( $frameParams['caption'] );
		$frameParams['title'] = $this->preventModalInception( $frameParams['title'] );
		return $frameParams;
	}

	/**
	 * Disables the source link in modal content.
	 */
	public function disableSourceLink() {
		$this->disableSourceLink = true;
	}

	/**
	 * Runs various tests, to see, if we delegate processing back to {@see \Linker::makeImageLink}
	 * After this, we can assume:
	 * * file is a {@see \File} and exists
	 * * there is no link param set (link-url, link-title, link-target, no-link)
	 * * file allows inline display (ref {@see \File::allowInlineDisplay})
	 * * we are not inside an image modal or an otherwise compromising component  (thanks to {@see ImageModal::getNestingController})
	 * * no magic word suppressing image modals is on the page
	 * * image does not have the "no-modal" class {@see ImageModal::CSS_CLASS_PREVENTING_MODAL}
	 *
	 * @param \File $file
	 * @param array $frameParams
	 *
	 * @return bool true, if all assertions hold, false if one fails (see above)
	 */
	protected function assertResponsibility( $file, $frameParams ) {
		if ( !$this->assertImageTagValid( $file, $frameParams ) ) {
			return false;
		}
		return $this->assertImageModalNotSuppressed( $frameParams );
	}

	/**
	 * @param \File $file
	 * @param array $sanitizedFrameParams
	 * @param array $handlerParams
	 *
	 * @return array bool|string bool (large image yes or no)
	 */
	protected function generateContent( $file, $sanitizedFrameParams, $handlerParams ) {

		/** @var \MediaTransformOutput $img $img */
		$img = $file->getUnscaledThumb(
			[ 'page' => $handlerParams['page'] ]
		);
		if ( !$img ) {
			return [ false, false ];
		}
		return [
			$this->buildContentImageString( $img, $sanitizedFrameParams ),
			$img->getWidth() > 600
		];
	}

	/**
	 * @return \DummyLinker
	 */
	/** @scrutinizer ignore-unused */
	protected function getDummyLinker() {
		return $this->dummyLinker;
	}

	/**
	 * @return \File
	 */
	protected function getFile() {
		return $this->file;
	}

	/**
	 * @return NestingController
	 */
	protected function getNestingController() {
		return $this->nestingController;
	}

	/**
	 * @return null|NestableInterface
	 */
	protected function getParentComponent() {
		return $this->parentComponent;
	}

	/**
	 * @return ParserOutputHelper
	 */
	protected function getParserOutputHelper() {
		return $this->parserOutputHelper;
	}

	/**
	 * @return Title
	 */
	protected function getTitle() {
		return $this->title;
	}

	/**
	 * @param $sanitizedFrameParams
	 * @param $handlerParams
	 *
	 * @throws \ConfigException
	 *
	 * @return string   rendered modal on success, empty string on failure.
	 */
	protected function turnParamsIntoModal( $sanitizedFrameParams, $handlerParams ) {
		$trigger = new ImageModalTrigger(
			$this->getId(),
			$this->getFile()
		);

		$triggerString = $trigger->generate( $sanitizedFrameParams, $handlerParams );

		if ( $triggerString === false ) {
			// something wrong with the trigger. Relegating back
			return '';
		}

		list ( $content, $largeDialog ) = $this->generateContent(
			$this->getFile(),
			$sanitizedFrameParams,
			$handlerParams
		);

		if ( $content === false ) {
			// could not create content image. Relegating back
			return '';
		}

		$modal = ApplicationFactory::getInstance()->getModalBuilder(
			$this->getId(),
			$triggerString,
			$content,
			$this->getParserOutputHelper()
		);
		$modal->setHeader(
			$this->getTitle()->getBaseText()
		);

		if ( !$this->disableSourceLink ) {
			$modal->setFooter(
				$this->generateButtonToSource(
					$this->getTitle(),
					$handlerParams
				)
			);
		};

		if ( $largeDialog ) {
			$modal->setDialogClass( 'modal-lg' );
		}

		return $modal->parse();
	}

	/**
	 * @param \File $file
	 * @param array $frameParams
	 *
	 * @return bool
	 */
	private function assertImageTagValid( $file, $frameParams ) {
		if ( !$file || !$file->exists() ) {
			return false;
		}
		if ( isset( $frameParams['link-url'] ) || isset( $frameParams['link-title'] )
			|| isset( $frameParams['link-target'] ) || isset( $frameParams['no-link'] )
		) {
			return false;
		}
		if ( !$file->allowInlineDisplay() ) {
			// let Linker.php handle these cases as well
			return false;
		}
		return true;
	}

	/**
	 * @param array $frameParams
	 *
	 * @return bool
	 */
	private function assertImageModalNotSuppressed( $frameParams ) {
		if ( $this->getParentComponent() && in_array( $this->getParentComponent()->getComponentName(), self::PARENTS_PREVENTING_MODAL ) ) {
			return false;
		}
		if ( isset( $frameParams['class'] ) && in_array( self::CSS_CLASS_PREVENTING_MODAL, explode( ' ', $frameParams['class'] ) ) ) {
			return false;
		}
		/** @see ParserOutputHelper::areImageModalsSuppressed as to why we need to use the global parser1 */
		$parser = $GLOBALS['wgParser'];
		// the is_null test has to be added because otherwise some unit tests will fail
		return is_null( $parser->getOutput() ) || !$parser->getOutput()->getExtensionData( 'bsc_no_image_modal' );
	}

	/**
	 * Performs all the mandatory actions on the parser output for the component class
	 *
	 * @throws \MWException cascading {@see \BootstrapComponents\ApplicationFactory::getComponentLibrary}
	 */
	private function augmentParserOutput() {
		$skin = $this->getParserOutputHelper()->getNameOfActiveSkin();
		$this->getParserOutputHelper()->loadBootstrapModules();
		$this->getParserOutputHelper()->addModules(
			ApplicationFactory::getInstance()->getComponentLibrary()->getModulesFor( 'modal', $skin )
		);
	}

	/**
	 * @param \MediaTransformOutput $img
	 * @param array                 $sanitizedFrameParams
	 *
	 * @return string
	 */
	private function buildContentImageString( $img, $sanitizedFrameParams ) {
		$imgParams = [
			'alt'       => $sanitizedFrameParams['alt'],
			'title'     => $sanitizedFrameParams['title'],
			'img-class' => trim( $sanitizedFrameParams['class'] . ' img-responsive' ),
		];
		$imgString = $img->toHtml( $imgParams );
		if ( $sanitizedFrameParams['caption'] ) {
			$imgString .= ' ' . Html::rawElement(
					'div',
					[ 'class' => 'modal-caption' ],
					$this->sanitizeCaption( $sanitizedFrameParams['caption'] )
				);
		}
		return $imgString;
	}

	/**
	 * @param Title $title
	 * @param array $handlerParams
	 *
	 * @return string
	 */
	private function generateButtonToSource( $title, $handlerParams ) {
		$url = $title->getLocalURL();
		if ( isset( $handlerParams['page'] ) ) {
			$url = wfAppendQuery( $url, [ 'page' => $handlerParams['page'] ] );
		}
		return Html::rawElement(
			'a',
			[
				'class' => 'btn btn-primary',
				'role'  => 'button',
				'href'  => $url,
			],
			wfMessage( 'bootstrap-components-image-modal-source-button' )->inContentLanguage()->text()
		);
	}

	/**
	 * We don't want a modal inside a modal. Unfortunately, the caption (and title) are parsed, before the modal is generated. So instead of
	 * building the modal from the outside, it is build from the inside. This method tries to detect this construct and removes any modal from
	 * the supplied text and replaces it with the image tag found inside the modal caption content.
	 *
	 * @param string $text
	 *
	 * @return string
	 */
	private function preventModalInception( $text ) {
		if ( preg_match(
			'~div class="modal-dialog.+div class="modal-content.+div class="modal-body.+'
			. '(<img[^>]*/>).+ class="modal-footer.+~Ds', $text, $matches ) ) {
			$text = $matches[1];
		}
		return $text;
	}

	/**
	 * @param string $caption
	 *
	 * @return string
	 */
	private function sanitizeCaption( $caption ) {
		return preg_replace( '/([^\n])\n([^\n])/m', '\1\2', $caption );
	}
}

1		<?php
2		/**
3		* Contains the class for replacing image normal image display with a modal.
4		*
5		* @copyright (C) 2018, Tobias Oetterer, Paderborn University
6		* @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License, version 3 (or later)
7		*
8		* This file is part of the MediaWiki extension BootstrapComponents.
9		* The BootstrapComponents extension is free software: you can redistribute it
10		* and/or modify it under the terms of the GNU General Public License as published
11		* by the Free Software Foundation, either version 3 of the License, or
12		* (at your option) any later version.
13		*
14		* The BootstrapComponents extension is distributed in the hope that it will be useful,
15		* but WITHOUT ANY WARRANTY; without even the implied warranty of
16		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17		* GNU General Public License for more details.
18		*
19		* You should have received a copy of the GNU General Public License
20		* along with this program. If not, see <https://www.gnu.org/licenses/>.
21		*
22		* @file
23		* @ingroup BootstrapComponents
24		* @author Tobias Oetterer
25		*/
26
27		namespace BootstrapComponents;
28
29		use \Linker;
30		use \Html;
31		use \MediaWiki\MediaWikiServices;
32		use \RequestContext;
33		use \Title;
34
35		/**
36		* Class ImageModal
37		*
38		* @since 1.0
39		*/
40		class ImageModal implements NestableInterface {
41
42		const CSS_CLASS_PREVENTING_MODAL = 'no-modal';
43
44		/**
45		* The components listed here prevent the generation of an image modal.
46		* @var array
47		*/
48		const PARENTS_PREVENTING_MODAL = [ 'button', 'collapse ', 'image_modal', 'modal', 'popover', 'tooltip' ];
49
50		/**
51		* @var \DummyLinker $dummyLinker
52		*/
53		private $dummyLinker;
54
55		/**
56		* @var \File $file
57		*/
58		private $file;
59
60		/**
61		* @var string $id
62		*/
63		private $id;
64
65		/**
66		* @var NestingController $nestingController
67		*/
68		private $nestingController;
69
70		/**
71		* @var NestableInterface\|false $parentComponent
72		*/
73		private $parentComponent;
74
75		/**
76		* @var ParserOutputHelper $parserOutputHelper
77		*/
78		private $parserOutputHelper;
79
80		/**
81		* @var bool $disableSourceLink
82		*/
83		private $disableSourceLink;
84
85		/**
86		* @var Title $title
87		*/
88		private $title;
89
90		/**
91		* ImageModal constructor.
92		*
93		* @param \DummyLinker $dummyLinker
94		* @param \Title $title
95		* @param \File $file
96		* @param NestingController $nestingController
97		* @param ParserOutputHelper $parserOutputHelper DI for unit testing
98		*
99		* @throws \MWException cascading {@see \BootstrapComponents\ApplicationFactory} methods
100		*/
101	23	public function __construct( $dummyLinker, $title, $file, $nestingController = null, $parserOutputHelper = null ) {
102	23	$this->file = $file;
103	23	$this->dummyLinker = $dummyLinker;
104	23	$this->title = $title;
105
106	23	$this->nestingController = is_null( $nestingController )
107	23	? ApplicationFactory::getInstance()->getNestingController()
108	1	: $nestingController;
109	23	$this->parserOutputHelper = is_null( $parserOutputHelper )
110	23	? ApplicationFactory::getInstance()->getParserOutputHelper()
111	11	: $parserOutputHelper ;
112
113	23	$this->parentComponent = $this->getNestingController()->getCurrentElement();
114	23	$this->id = $this->getNestingController()->generateUniqueId(
115	23	$this->getComponentName()
116	23	);
117	23	$this->disableSourceLink = false;
118	23	}
119
120		/**
121		* @inheritdoc
122		*/
123	23	public function getComponentName() {
124	23	return "image_modal";
125		}
126
127		/**
128		* @inheritdoc
129		*/
130	15	public function getId() {
131	15	return $this->id;
132		}
133
134		/**
135		* @param array $frameParams Associative array of parameters external to the media handler.
136		* Boolean parameters are indicated by presence or absence, the value is arbitrary and
137		* will often be false.
138		* thumbnail If present, downscale and frame
139		* manualthumb Image name to use as a thumbnail, instead of automatic scaling
140		* framed Shows image in original size in a frame
141		* frameless Downscale but don't frame
142		* upright If present, tweak default sizes for portrait orientation
143		* upright_factor Fudge factor for "upright" tweak (default 0.75)
144		* border If present, show a border around the image
145		* align Horizontal alignment (left, right, center, none)
146		* valign Vertical alignment (baseline, sub, super, top, text-top, middle,
147		* bottom, text-bottom)
148		* alt Alternate text for image (i.e. alt attribute). Plain text.
149		* class HTML for image classes. Plain text.
150		* caption HTML for image caption.
151		* link-url URL to link to
152		* link-title Title object to link to
153		* link-target Value for the target attribute, only with link-url
154		* no-link Boolean, suppress description link
155		* @param array $handlerParams Associative array of media handler parameters, to be passed
156		* to transform(). Typical keys are "width" and "page".
157		* @param string\|bool $time Timestamp of the file, set as false for current
158		* @param string $res Final HTML output, used if this returns false
159		*
160		* @throws \MWException cascading {@see \BootstrapComponents\NestingController::open}
161		* @throws \ConfigException cascading {@see \BootstrapComponents\ImageModal::generateTrigger}
162		*
163		* @return bool
164		*/
165	22	public function parse( &$frameParams, &$handlerParams, &$time, &$res ) {
		0 ignored issues – show Unused Code introduced 2018-01-30 10:46 UTC by Report Bug Copy Issue Report The parameter `$time` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
166	22	if ( !$this->assertResponsibility( $this->getFile(), $frameParams ) ) {
167	10	wfDebugLog( 'BootstrapComponents', 'Image modal relegating image rendering back to Linker.php.' );
168	10	return true;
169		}
170
171		// it's on us, let's do some modal-ing
172	15	$this->augmentParserOutput();
173	15	$this->getNestingController()->open( $this );
174
175	15	$sanitizedFrameParams = $this->sanitizeFrameParams( $frameParams );
176	15	$handlerParams['page'] = isset( $handlerParams['page'] ) ? $handlerParams['page'] : false;
177
178	15	$res = $this->turnParamsIntoModal( $sanitizedFrameParams, $handlerParams );
179
180	15	$this->getNestingController()->close(
181	15	$this->getId()
182	15	);
183
184	15	if ( $res === '' ) {
185		// ImageModal::turnParamsIntoModal returns the empty string, when something went wrong
186	3	return true;
187		}
188	12	return false;
189		}
190
191		/**
192		* After this, all bool params ( 'thumbnail', 'framed', 'frameless', 'border' ) are true, if they were present before, false otherwise and all
193		* string params are set (to the original value or the empty string).
194		*
195		* This method is public, because it is used in {@see \BootstrapComponents\Tests\ImageModalTest::doTestCompareTriggerWithOriginalThumb}
196		*
197		* @param array $frameParams
198		*
199		* @return array
200		*/
201	15	public function sanitizeFrameParams( $frameParams ) {
202	15	foreach ( [ 'thumbnail', 'framed', 'frameless', 'border' ] as $boolField ) {
203	15	$frameParams[$boolField] = isset( $frameParams[$boolField] );
204	15	}
205	15	foreach ( [ 'align', 'alt', 'caption', 'class', 'title', 'valign' ] as $stringField ) {
206	15	$frameParams[$stringField] = !empty( $frameParams[$stringField] ) ? $frameParams[$stringField] : false;
207	15	}
208	15	$frameParams['caption'] = $this->preventModalInception( $frameParams['caption'] );
209	15	$frameParams['title'] = $this->preventModalInception( $frameParams['title'] );
210	15	return $frameParams;
211		}
212
213		/**
214		* Disables the source link in modal content.
215		*/
216		public function disableSourceLink() {
217		$this->disableSourceLink = true;
218		}
219
220		/**
221		* Runs various tests, to see, if we delegate processing back to {@see \Linker::makeImageLink}
222		* After this, we can assume:
223		* * file is a {@see \File} and exists
224		* * there is no link param set (link-url, link-title, link-target, no-link)
225		* * file allows inline display (ref {@see \File::allowInlineDisplay})
226		* * we are not inside an image modal or an otherwise compromising component (thanks to {@see ImageModal::getNestingController})
227		* * no magic word suppressing image modals is on the page
228		* * image does not have the "no-modal" class {@see ImageModal::CSS_CLASS_PREVENTING_MODAL}
229		*
230		* @param \File $file
231		* @param array $frameParams
232		*
233		* @return bool true, if all assertions hold, false if one fails (see above)
234		*/
235	22	protected function assertResponsibility( $file, $frameParams ) {
236	22	if ( !$this->assertImageTagValid( $file, $frameParams ) ) {
237	9	return false;
238		}
239	20	return $this->assertImageModalNotSuppressed( $frameParams );
240		}
241
242		/**
243		* @param \File $file
244		* @param array $sanitizedFrameParams
245		* @param array $handlerParams
246		*
247		* @return array bool\|string bool (large image yes or no)
248		*/
249	13	protected function generateContent( $file, $sanitizedFrameParams, $handlerParams ) {
250
251		/** @var \MediaTransformOutput $img $img */
252	13	$img = $file->getUnscaledThumb(
253	13	[ 'page' => $handlerParams['page'] ]
254	13	);
255	13	if ( !$img ) {
256	1	return [ false, false ];
257		}
258		return [
259	12	$this->buildContentImageString( $img, $sanitizedFrameParams ),
260	12	$img->getWidth() > 600
261	12	];
262		}
263
264		/**
265		* @return \DummyLinker
266		*/
267		/** @scrutinizer ignore-unused */
268		protected function getDummyLinker() {
269		return $this->dummyLinker;
270		}
271
272		/**
273		* @return \File
274		*/
275	22	protected function getFile() {
276	22	return $this->file;
277		}
278
279		/**
280		* @return NestingController
281		*/
282	23	protected function getNestingController() {
283	23	return $this->nestingController;
284		}
285
286		/**
287		* @return null\|NestableInterface
288		*/
289	20	protected function getParentComponent() {
290	20	return $this->parentComponent;
291		}
292
293		/**
294		* @return ParserOutputHelper
295		*/
296	15	protected function getParserOutputHelper() {
297	15	return $this->parserOutputHelper;
298		}
299
300		/**
301		* @return Title
302		*/
303	12	protected function getTitle() {
304	12	return $this->title;
305		}
306
307		/**
308		* @param $sanitizedFrameParams
309		* @param $handlerParams
310		*
311		* @throws \ConfigException
312		*
313		* @return string rendered modal on success, empty string on failure.
314		*/
315	15	protected function turnParamsIntoModal( $sanitizedFrameParams, $handlerParams ) {
316	15	$trigger = new ImageModalTrigger(
317	15	$this->getId(),
318	15	$this->getFile()
319	15	);
320
321	15	$triggerString = $trigger->generate( $sanitizedFrameParams, $handlerParams );
322
323	15	if ( $triggerString === false ) {
324		// something wrong with the trigger. Relegating back
325	2	return '';
326		}
327
328	13	list ( $content, $largeDialog ) = $this->generateContent(
329	13	$this->getFile(),
330	13	$sanitizedFrameParams,
331		$handlerParams
332	13	);
333
334	13	if ( $content === false ) {
335		// could not create content image. Relegating back
336	1	return '';
337		}
338
339	12	$modal = ApplicationFactory::getInstance()->getModalBuilder(
340	12	$this->getId(),
341	12	$triggerString,
342	12	$content,
343	12	$this->getParserOutputHelper()
344	12	);
345	12	$modal->setHeader(
346	12	$this->getTitle()->getBaseText()
347	12	);
348
349	12	if ( !$this->disableSourceLink ) {
350	12	$modal->setFooter(
351	12	$this->generateButtonToSource(
352	12	$this->getTitle(),
353		$handlerParams
354	12	)
355	12	);
356	12	};
357
358	12	if ( $largeDialog ) {
359	8	$modal->setDialogClass( 'modal-lg' );
360	8	}
361
362	12	return $modal->parse();
363		}
364
365		/**
366		* @param \File $file
367		* @param array $frameParams
368		*
369		* @return bool
370		*/
371	22	private function assertImageTagValid( $file, $frameParams ) {
372	22	if ( !$file \|\| !$file->exists() ) {
373	8	return false;
374		}
375	21	if ( isset( $frameParams['link-url'] ) \|\| isset( $frameParams['link-title'] )
376	21	\|\| isset( $frameParams['link-target'] ) \|\| isset( $frameParams['no-link'] )
377	21	) {
378	2	return false;
379		}
380	21	if ( !$file->allowInlineDisplay() ) {
381		// let Linker.php handle these cases as well
382	1	return false;
383		}
384	20	return true;
385		}
386
387		/**
388		* @param array $frameParams
389		*
390		* @return bool
391		*/
392	20	private function assertImageModalNotSuppressed( $frameParams ) {
393	20	if ( $this->getParentComponent() && in_array( $this->getParentComponent()->getComponentName(), self::PARENTS_PREVENTING_MODAL ) ) {
394	5	return false;
395		}
396	16	if ( isset( $frameParams['class'] ) && in_array( self::CSS_CLASS_PREVENTING_MODAL, explode( ' ', $frameParams['class'] ) ) ) {
397	1	return false;
398		}
399		/** @see ParserOutputHelper::areImageModalsSuppressed as to why we need to use the global parser1 */
400	16	$parser = $GLOBALS['wgParser'];
401		// the is_null test has to be added because otherwise some unit tests will fail
402	16	return is_null( $parser->getOutput() ) \|\| !$parser->getOutput()->getExtensionData( 'bsc_no_image_modal' );
403		}
404
405		/**
406		* Performs all the mandatory actions on the parser output for the component class
407		*
408		* @throws \MWException cascading {@see \BootstrapComponents\ApplicationFactory::getComponentLibrary}
409		*/
410	15	private function augmentParserOutput() {
411	15	$skin = $this->getParserOutputHelper()->getNameOfActiveSkin();
412	15	$this->getParserOutputHelper()->loadBootstrapModules();
413	15	$this->getParserOutputHelper()->addModules(
414	15	ApplicationFactory::getInstance()->getComponentLibrary()->getModulesFor( 'modal', $skin )
415	15	);
416	15	}
417
418		/**
419		* @param \MediaTransformOutput $img
420		* @param array $sanitizedFrameParams
421		*
422		* @return string
423		*/
424	12	private function buildContentImageString( $img, $sanitizedFrameParams ) {
425		$imgParams = [
426	12	'alt' => $sanitizedFrameParams['alt'],
427	12	'title' => $sanitizedFrameParams['title'],
428	12	'img-class' => trim( $sanitizedFrameParams['class'] . ' img-responsive' ),
429	12	];
430	12	$imgString = $img->toHtml( $imgParams );
431	12	if ( $sanitizedFrameParams['caption'] ) {
432	3	$imgString .= ' ' . Html::rawElement(
433	3	'div',
434	3	[ 'class' => 'modal-caption' ],
435	3	$this->sanitizeCaption( $sanitizedFrameParams['caption'] )
436	3	);
437	3	}
438	12	return $imgString;
439		}
440
441		/**
442		* @param Title $title
443		* @param array $handlerParams
444		*
445		* @return string
446		*/
447	12	private function generateButtonToSource( $title, $handlerParams ) {
448	12	$url = $title->getLocalURL();
449	12	if ( isset( $handlerParams['page'] ) ) {
450	12	$url = wfAppendQuery( $url, [ 'page' => $handlerParams['page'] ] );
451	12	}
452	12	return Html::rawElement(
453	12	'a',
454		[
455	12	'class' => 'btn btn-primary',
456	12	'role' => 'button',
457	12	'href' => $url,
458	12	],
459	12	wfMessage( 'bootstrap-components-image-modal-source-button' )->inContentLanguage()->text()
460	12	);
461		}
462
463		/**
464		* We don't want a modal inside a modal. Unfortunately, the caption (and title) are parsed, before the modal is generated. So instead of
465		* building the modal from the outside, it is build from the inside. This method tries to detect this construct and removes any modal from
466		* the supplied text and replaces it with the image tag found inside the modal caption content.
467		*
468		* @param string $text
469		*
470		* @return string
471		*/
472	15	private function preventModalInception( $text ) {
473	15	if ( preg_match(
474		'~div class="modal-dialog.+div class="modal-content.+div class="modal-body.+'
475	15	. '(<img[^>]*/>).+ class="modal-footer.+~Ds', $text, $matches ) ) {
476		$text = $matches[1];
477		}
478	15	return $text;
479		}
480
481		/**
482		* @param string $caption
483		*
484		* @return string
485		*/
486	3	private function sanitizeCaption( $caption ) {
487	3	return preg_replace( '/([^\n])\n([^\n])/m', '\1\2', $caption );
488		}
489		}

oetterer / BootstrapComponents

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