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<?php |
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/** |
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* Contains the component class for rendering a popover. |
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* |
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* @copyright (C) 2018, Tobias Oetterer, Paderborn University |
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* @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License, version 3 (or later) |
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* |
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* This file is part of the MediaWiki extension BootstrapComponents. |
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* The BootstrapComponents extension is free software: you can redistribute it |
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* and/or modify it under the terms of the GNU General Public License as published |
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* by the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* The BootstrapComponents extension is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <https://www.gnu.org/licenses/>. |
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* |
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* @file |
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* @ingroup BootstrapComponents |
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* @author Tobias Oetterer |
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*/ |
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namespace BootstrapComponents\Components; |
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use BootstrapComponents\AbstractComponent; |
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use \Html; |
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/** |
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* Class Popover |
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* |
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* Class for component 'popover' |
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* |
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* @see https://github.com/oetterer/BootstrapComponents/blob/master/docs/components.md#Popover |
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* @since 1.0 |
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*/ |
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class Popover extends AbstractComponent { |
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/** |
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* @inheritdoc |
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* |
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* @param string $input |
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*/ |
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public function placeMe( $input ) { |
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$heading = $this->getValueFor( 'heading' ); |
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$text = $this->getValueFor( 'text' ); |
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if ( $heading === false || !strlen( $heading ) ) { |
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return $this->getParserOutputHelper()->renderErrorMessage( 'bootstrap-components-popover-heading-missing' ); |
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} |
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if ( $text === false || !strlen( $text ) ) { |
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return $this->getParserOutputHelper()->renderErrorMessage( 'bootstrap-components-popover-text-missing' ); |
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} |
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list( $tag, $text, $attributes ) = $this->buildHtmlElements( $input, (string)$text, (string)$heading ); |
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// I cannot use the button class here, because it needs a target and also does not accept pre-processed attributes. |
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return Html::rawElement( |
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$tag, |
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$attributes, |
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$text |
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); |
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} |
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/** |
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* @param string $input |
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* @param string $text |
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* @param string $heading |
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* |
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* @return array $tag, $text, $attributes |
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*/ |
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private function buildHtmlElements( $input, $text, $heading ) { |
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list ( $class, $style ) = $this->processCss( $this->calculatePopoverClassAttribute(), [] ); |
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list ( $text, $target ) = $this->stripLinksFrom( $text, '' ); |
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$attributes = [ |
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'class' => $this->arrayToString( $class, ' ' ), |
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'style' => $this->arrayToString( $style, ';' ), |
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'id' => $this->getId(), |
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]; |
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if ( empty( $target ) ) { |
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// this is the normal popover process |
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$attributes = array_merge( |
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$attributes, |
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[ |
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'data-toggle' => 'popover', |
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'title' => $heading, |
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'data-content' => str_replace( "\n", " ", trim( $input ) ), |
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'data-placement' => $this->getValueFor( 'placement' ), |
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'data-trigger' => $this->getValueFor( 'trigger' ), |
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] |
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); |
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$tag = "button"; |
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} else { |
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$attributes['href'] = $target; |
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$attributes['role'] = 'button'; |
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$tag = "a"; |
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} |
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return [ $tag, $text, $attributes ]; |
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} |
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/** |
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* Calculates the class attribute value from the passed attributes |
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* |
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* @return string[] |
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*/ |
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private function calculatePopoverClassAttribute() { |
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$class = [ 'btn', 'btn-' . $this->getValueFor( 'color', 'info' ) ]; |
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if ( $size = $this->getValueFor( 'size' ) ) { |
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$class[] = 'btn-' . $size; |
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} |
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return $class; |
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} |
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/** |
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* @param string $text |
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* @param string $target |
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* |
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* @return string[] |
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*/ |
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private function stripLinksFrom( $text, $target ) { |
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if ( preg_match( '~<a.+href=.([^>]+Special:Upload[^"]+)[^>]*>(.+)</a>~', $text, $matches ) ) { |
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// we have an non existing image as text, return image name as text and upload url as target |
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// since $text was already parsed and html_encoded and Html::rawElement will do this again, |
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// we need to decode the html special characters in target aka $matches[1] |
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return [ $matches[2], htmlspecialchars_decode( $matches[1] ) ]; |
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} |
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return [ preg_replace( '~^(.*)(<a.+href=[^>]+>)(.+)(</a>)(.*)$~ms', '\1\3\5', $text ), $target ]; |
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} |
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} |
oetterer /
BootstrapComponents
