Initial files

.gitignore

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+/vendor/
+composer.lock

Configuration/ConfigProcessor.php

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+<?php
+
+/**
+ * This file is part of the EasyImpress package.
+ *
+ * (c) Alexandre Rock Ancelet <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Orbitale\Bundle\EasyImpressBundle\Configuration;
+
+use Symfony\Component\Config\Definition\Processor;
+use Symfony\Component\Yaml\Yaml;
+
+class ConfigProcessor
+{
+    /**
+     * @param string $file
+     *
+     * @return array[]
+     */
+    public function processConfigurationFile($file)
+    {
+        $yamlArray = Yaml::parse(file_get_contents($file));
+
+        // Presentation name based on the file name.
+        $yamlArray['name'] = basename($file, '.yml');
+
+        $processor = new Processor();
+
+        $presentationConfig = $processor->processConfiguration(new PresentationConfiguration(), [$yamlArray]);
+
+        foreach ($presentationConfig['slides'] as $k => $slide) {
+            if (!array_key_exists('id', $slide)) {
+                if (!is_numeric($k)) {
+                    $slide['id'] = $k;
+                } else {
+                    $slide['id'] = $presentationConfig['name'].'_'.$k;
+                }
+            }
+
+            if (isset($presentationConfig['slides'][$slide['id']])) {
+                throw new \RuntimeException('Duplicate slide id "'.$slide['id'].'" for presentation "'.$presentationConfig['name'].'".');
+            }
+
+            $presentationConfig['slides'][$k] = $processor->processConfiguration(new SlideConfiguration(), [$slide]);
+        }
+
+        return $this->updatePresentationsConfigs($presentationConfig);
+    }
+
+    /**
+     * @param array $config
+     *
+     * @return array[]
+     */
+    private function updatePresentationsConfigs(array $config)
+    {
+        $presentation = [];
+
+        $presentation['inactive_opacity'] = $config['inactive_opacity'];
+        $presentation['attr'] = $config['attr'];
+        $presentation['data'] = $config['data'];
+        $presentation['name'] = $config['name'];
+
+        $presentation['slides'] = [];
+        $presentation['increments'] = $config['increments'];
+
+        // We need to compute incrementation of the different coordinates.
+        $baseIncrements = $presentation['increments'];
+        $currentIncrementsArray = array_filter($baseIncrements);
+        $incrementsToProcess = array_keys($currentIncrementsArray);
+
+        $parseDown = class_exists('Parsedown') ? new \Parsedown() : null;
+
+        $presentation['slides'] = [];
+
+        foreach ($config['slides'] as $slideArray) {
+            foreach ($incrementsToProcess as $dataKey) {
+                // Check if we have to reset value before calculating incrementation values.
+                if (array_key_exists($dataKey, $slideArray['reset']) && true === $slideArray['reset'][$dataKey]) {
+                    $currentIncrementsArray[$dataKey] = $baseIncrements[$dataKey];
+                }
+
+                // Update slide values.
+                $slideArray['data'][$dataKey] = $currentIncrementsArray[$dataKey];
+
+                // Update incrementation values.
+                $currentIncrementsArray[$dataKey] += $baseIncrements[$dataKey];
+            }
+
+            switch ($slideArray['content_type']) {
+                case 'html':
+                    $slideArray['content'] = trim($slideArray['content']);
+                    break;
+                case 'markdown':
+                default:
+                    $slideArray['content'] = $parseDown ? $parseDown->text($slideArray['content']) : $slideArray['content'];
+            }
+
+            $presentation['slides'][] = $slideArray;
+        }
+
+        return $presentation;
+    }
+}

Configuration/PresentationConfiguration.php

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+<?php
+
+/**
+ * This file is part of the EasyImpress package.
+ *
+ * (c) Alexandre Rock Ancelet <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Orbitale\Bundle\EasyImpressBundle\Configuration;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+
+class PresentationConfiguration implements ConfigurationInterface
+{
+    public function getConfigTreeBuilder()
+    {
+        $treeBuilder = new TreeBuilder();
+        $rootNode = $treeBuilder->root('presentation');
+
+        $rootNode
+            ->children()
+                ->scalarNode('name')->isRequired()->end()
+
+                ->variableNode('slides')->end()
+
+                ->floatNode('inactive_opacity')->defaultValue(1)->end()
+
+                ->arrayNode('data')
+                    ->addDefaultsIfNotSet()
+                    ->normalizeKeys(false)
+                    ->children()
+                        ->integerNode('transition-duration')->defaultValue(1000)->end()
+                        ->integerNode('min-scale')->defaultValue(1)->end()
+                    ->end()
+                ->end()
+
+                ->arrayNode('attr')
+                    ->addDefaultsIfNotSet()
+                    ->normalizeKeys(false)
+                    ->children()
+                        ->scalarNode('style')->defaultValue('')->end()
+                        ->scalarNode('class')
+                            ->defaultValue('impress_slides_container')
+                            ->validate()
+                            ->always(function($v){
+                                if (false === strpos($v, 'impress_slides_container')) {
+                                    $v = trim('impress_slides_container '.$v);
+                                }
+
+                                return $v;
+                            })
+                            ->end()
+                        ->end()
+                    ->end()
+                ->end()
+
+                ->arrayNode('increments')
+                    ->addDefaultsIfNotSet()
+                    ->normalizeKeys(false)
+                    ->children()
+                        ->integerNode('x')->defaultValue(null)->end()
+                        ->integerNode('y')->defaultValue(null)->end()
+                        ->integerNode('z')->defaultValue(null)->end()
+                        ->integerNode('rotate')->defaultValue(null)->end()
+                        ->integerNode('rotate-x')->defaultValue(null)->end()
+                        ->integerNode('rotate-y')->defaultValue(null)->end()
+                        ->integerNode('rotate-z')->defaultValue(null)->end()
+                    ->end()
+                ->end()
+            ->end()
+        ;
+
+        return $treeBuilder;
+    }
+}

Configuration/SlideConfiguration.php

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+<?php
+
+/**
+ * This file is part of the EasyImpress package.
+ *
+ * (c) Alexandre Rock Ancelet <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Orbitale\Bundle\EasyImpressBundle\Configuration;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+
+/**
+ * Validates one single Slide.
+ */
+class SlideConfiguration implements ConfigurationInterface
+{
+    public function getConfigTreeBuilder()
+    {
+        $treeBuilder = new TreeBuilder();
+        $rootNode = $treeBuilder->root('slides');
+
+        $rootNode
+            ->children()
+                ->scalarNode('id')->isRequired()->end()
+
+                ->scalarNode('content_type')->defaultValue('markdown')->end()
+                ->scalarNode('content')->defaultValue(null)->end()
+
+                ->variableNode('extra')->defaultValue(null)->end()
+
+                ->arrayNode('data')
+                    ->addDefaultsIfNotSet()
+                    ->normalizeKeys(false)
+                    ->children()
+                        ->integerNode('x')->defaultValue(null)->end()
+                        ->integerNode('y')->defaultValue(null)->end()
+                        ->integerNode('z')->defaultValue(null)->end()
+                        ->integerNode('rotate')->defaultValue(null)->end()
+                        ->integerNode('rotate-x')->defaultValue(null)->end()
+                        ->integerNode('rotate-y')->defaultValue(null)->end()
+                        ->integerNode('rotate-z')->defaultValue(null)->end()
+                    ->end()
+                ->end()
+
+                ->arrayNode('attr')
+                    ->addDefaultsIfNotSet()
+                    ->normalizeKeys(false)
+                    ->children()
+                        ->scalarNode('style')->defaultValue('')->end()
+                        ->scalarNode('class')
+                            ->defaultValue('step')
+                            ->validate()
+                            ->always(function($v){
+                                if (false === strpos($v, 'step')) {
+                                    $v = trim('step '.$v);
+                                }
+
+                                return $v;
+                            })
+                            ->end()
+                        ->end()
+                    ->end()
+                ->end()
+
+                ->arrayNode('reset')
+                    ->addDefaultsIfNotSet()
+                    ->normalizeKeys(false)
+                    ->children()
+                        ->booleanNode('x')->defaultValue(false)->end()
+                        ->booleanNode('y')->defaultValue(false)->end()
+                        ->booleanNode('z')->defaultValue(false)->end()
+                        ->booleanNode('rotate')->defaultValue(false)->end()
+                        ->booleanNode('rotate-x')->defaultValue(false)->end()
+                        ->booleanNode('rotate-y')->defaultValue(false)->end()
+                        ->booleanNode('rotate-z')->defaultValue(false)->end()
+                    ->end()
+                ->end()
+
+            ->end()
+        ;
+
+        return $treeBuilder;
+    }
+}

Controller/PresentationController.php

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+<?php
+
+/**
+ * This file is part of the EasyImpress package.
+ *
+ * (c) Alexandre Rock Ancelet <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Orbitale\Bundle\EasyImpressBundle\Controller;
+
+use Orbitale\Bundle\EasyImpressBundle\Impress\EasyImpress;
+use Orbitale\Bundle\EasyImpressBundle\Model\Presentation;
+use Symfony\Bundle\TwigBundle\TwigEngine;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+class PresentationController
+{
+    /**
+     * @var EasyImpress
+     */
+    private $impress;
+
+    /**
+     * @var TwigEngine
+     */
+    private $twig;
+
+    /**
+     * @var string
+     */
+    private $layout;
+
+    public function __construct($layout, EasyImpress $impress, TwigEngine $twig)
+    {
+        $this->impress = $impress;
+        $this->twig = $twig;
+        $this->layout = $layout;
+    }
+
+    /**
+     * @param string $presentationName
+     *
+     * @return Response
+     */
+    public function presentation($presentationName)
+    {
+        /** @var Presentation $presentation */
+        $presentation = $this->impress->getPresentation($presentationName);
+
+        if (!$presentation) {
+            throw new NotFoundHttpException('Presentation "'.$presentationName.'" not found.');
+        }
+
+        return $this->twig->renderResponse('@EasyImpress/presentation.html.twig', [
+            'layout'       => $this->layout,
+            'presentation' => $presentation,
+        ]);
+    }
+}

DependencyInjection/Compiler/PresentationsPass.php

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+<?php
+
+namespace Orbitale\Bundle\EasyImpressBundle\DependencyInjection\Compiler;
+
+use Orbitale\Bundle\EasyImpressBundle\Configuration\ConfigProcessor;
+use Symfony\Component\Config\Resource\FileResource;
+use Symfony\Component\Finder\Finder;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+
+class PresentationsPass implements CompilerPassInterface
+{
+    public function process(ContainerBuilder $container)
+    {
+        $finder = (new Finder())
+            ->files()
+            ->name('*.yml')
+            ->in($container->getParameter('easy_impress.presentations_dir'))
+        ;
+
+        $configProcessor = new ConfigProcessor();
+
+        $presentations = [];
+
+        foreach ($finder as $file) {
+            /** @var \SplFileInfo $file */
+            $container->addResource(new FileResource($file->getRealPath()));
+            $presentations[$file->getBasename('.yml')] = $configProcessor->processConfigurationFile($file);
+        }
+
+        $container->setParameter('easy_impress.presentations', $presentations);
+    }
+}