wp-veriteco-timeline.php

<?php
	/*
	Plugin Name: WP VeriteCo Timeline
	Plugin URI: http://www.youngjyoon.com
	Description: Internalizes VeriteCo Timeline Management into WordPress
	Author: Young J. Yoon
	Version: 1.0
	Author URI: http://www.youngjyoon.com
	*/
?>
<?php
	/* TIMELINE ENTRY CLASS */
	class wpvtEntry 
	{
		private $post_id;
		
		public $startDate;
		public $endDate;
		public $headline;
		public $text;
		public $asset;
		
		public function __construct( $post ) {
			$this->post_id = $post->ID;
			$meta = get_post_meta( $this->post_id );
			
			$this->startDate = $meta['wpvt_start_date'][0];
			$this->endDate = $meta['wpvt_end_date'][0];
			$this->headline = get_the_title( $this->post_id );
			
			$text = apply_filters('the_content', $post->post_content);
			$text = preg_replace('/\v+|\\\[rn]/','',$text);
			$text = $this->undoTexturize($text);
			
			$this->text = $text;
			
			$thumbnail_id = get_post_thumbnail_id( $this->post_id );
			
			if( $thumbnail_id ) {
				// if there is featured image
				$img = wp_get_attachment_image_src( $thumbnail_id, 'full' );
				$thumbnail_image = get_post( $thumbnail_id, 'OBJECT' );
				if ($thumbnail_image && isset($thumbnail_image)) {
					$this->asset->media = $img[0];
					$this->asset->caption = $thumbnail_image->post_excerpt;
				}
			} else if( $meta['wpvt_video'][0] ) {
				// otherwise, look for youtube link
				$this->asset->media = $meta['wpvt_video'][0];
				$this->asset->caption = $meta['wpvt_video_caption'][0];
			}
		}
		
		public function toJSON() {
			return json_encode($this);
		}
		
		public function undoTexturize($content, $deprecated = '') {
			if ( !empty( $deprecated ) )
				_deprecated_argument( __FUNCTION__, '0.71' );

			// Translation of invalid Unicode references range to valid range
			$wp_htmltranswinuni = array(
				'&#8211;' => '-',
				'&#8212;' => '—',
				'&#8217;' => '\'',
				'&#8218;' => ',',
				'&#8220;' => '\"',
				'&#8221;' => '\"'
			);
			// Fix Word pasting
			$content = strtr($content, $wp_htmltranswinuni);
			return $content;
		}
	}


	/* Initailaize Back-end */	
	function wpvt_admin_init() {
		wp_register_script( 'veriteco', plugins_url('js/timeline-min.js', __FILE__) );

		wp_register_script( 'wpvt_custom', plugins_url('js/wpvt_custom.js', __FILE__) );
		wp_register_style( 'wpvt_css', plugins_url('css/wpvt.css', __FILE__) );
		
		$page_title = "WP VeriteCo Timeline Configuration";
		$menu_title = "WP Timeline";
		$capability = "publish_posts";
		$menu_slug = "wpvt_config";
		$function = "wpvt_config_page";
		$icon_url = "";
		$position = "";
		
		add_options_page( $page_title, $menu_title, $capability, $menu_slug, $function );
		
		wp_enqueue_script('jquery');
		wp_enqueue_script('jquery-ui-datepicker');
		wp_enqueue_script('veriteco');
		wp_enqueue_script('wpvt_custom');
		
		wp_enqueue_style('wpvt_css');
	}
	add_action('admin_menu', 'wpvt_admin_init');
	
	
	/* Load Default Settings */
	function wpvt_default_settings() {
		$tmp = get_option('wpvt_options');
		if(!is_array($tmp)) {
			$arr = array(
				'width' => '900',
				'height' => '600',
				'maptype' => 'toner',
				'font' => 'Bevan-PotanoSans'
			);
			update_option('wpvt_options', $arr);
		}
	}
	register_activation_hook(__FILE__, 'wpvt_default_settings');
	
	
	/* Settings */
	function wpvt_settings_init() {
		$maptypes = array(
			'toner' => 'Stamen Maps: Toner',
			'toner-lines' => 'Stamen Maps: Toner Lines',
			'toner-labels' => 'Stamen Maps: Toner Labels',
			'watercolor' => 'Stamen Maps: Watercolor',
			'sterrain' => 'Stamen Maps: Terrain',
			'ROADMAP' => 'Google Maps: Roadmap',
			'TERRAIN' => 'Google Maps: Terrain',
			'HYBRID' => 'Google Maps: Hybrid',
			'SATELLITE' => 'Google Maps: Satellite'
		);
		
		$fonts = array(
			'Bevan-PotanoSans' => 'Bevan &amp; Potano Sans',
			'Merriweather-NewsCycle' => 'Merriweather &amp; News Cycle',
			'PoiretOne-Molengo' => 'Poiret One &amp; Molengo',
			'Arvo-PTSans' => 'Arvo &amp; PTSans',
			'PTSerif-PTSans' => 'PTSerif &amp; PTSans',
			'DroidSerif-DroidSans' => 'Droid Serif &amp; Droid Sans',
			'Lekton-Molengo' => 'Lekton &amp; Molengo',
			'NixieOne-Ledger' => 'NixieOne &amp; Ledger',
			'AbrilFatface-Average' => 'Abril Fatface &amp; Average',
			'PlayfairDisplay-Muli' => 'Playfair Display &amp; Muli',
			'Rancho-Gudea' => 'Rancho &amp; Gudea',
			'BreeSerif-OpenSans' => 'Bree Serif &amp; Open Sans',
			'SansitaOne-Kameron' => 'Sansita One &amp; Kameron',
			'Pacifico-Arimo' => 'Pacifico &amp; Arimo',
			'PT' => 'PT Sans &amp; PT Narrow &amp; PT Serif'
		);
		
		$types = array(
			'default' => 'Default'
		);
		
		add_settings_section('wpvt_id', '', 'wpvt_callback', 'wpvt_page');
		
		register_setting( 'wpvt_optiongroup', 'wpvt_options' ); // General Settings
		
		/* Add fields to cover page settings */
		add_settings_field('headline', 'Cover Headline', 'wpvt_setting_string', 'wpvt_page', 'wpvt_id', array('id' => 'headline', 'type' => 'text') );
		add_settings_field('text', 'Cover Text', 'wpvt_setting_string', 'wpvt_page', 'wpvt_id', array('id' => 'text', 'type' => 'text') );
		add_settings_field('type', 'Timeline Type', 'wpvt_setting_string', 'wpvt_page', 'wpvt_id', array('id' => 'type', 'type' => 'select', 'options' => $types ) );
		
		/* Add fields */		
		add_settings_field('width', 'Width', 'wpvt_setting_string', 'wpvt_page', 'wpvt_id', array('id' => 'width', 'type' => 'text') );
		add_settings_field('height', 'Height', 'wpvt_setting_string', 'wpvt_page', 'wpvt_id', array('id' => 'height', 'type' => 'text') );
		add_settings_field('maptype', 'Map Type', 'wpvt_setting_string', 'wpvt_page', 'wpvt_id', array('id' => 'map', 'type' => 'select', 'options' => $maptypes ) );
		add_settings_field('font', 'Fonts', 'wpvt_setting_string', 'wpvt_page', 'wpvt_id', array('id' => 'fonts', 'type' =>'select', 'options' => $fonts ) );
		add_settings_field('start_at_end', 'Start at the end?', 'wpvt_setting_string', 'wpvt_page', 'wpvt_id', array('id' => 'start_at_end', 'type' => 'checkbox', 'label' => 'Yes') );
		add_settings_field('hash_bookmark', 'Hash Bookmarks?', 'wpvt_setting_string', 'wpvt_page', 'wpvt_id', array('id' => 'hash_bookmark', 'type' => 'checkbox', 'label' => 'Yes') );		
	}
	add_action('admin_init', 'wpvt_settings_init');
	
		function wpvt_callback() { echo '<p>Adjust settings for the Timeline here.</p>'; }

		function wpvt_setting_string( $args ) {
			$options = get_option('wpvt_options');
			$id = $args['id'];
			$type = $args['type'];
			
			switch($type) {
				case 'text':
					$class = ($args['class']) ? ' class="'.$args['class'].'"' : '';
					echo "<input id='wpvt_".$id."' name='wpvt_options[".$id."]' type='text'". $class ." value='".$options[$id]."' />";
					break;
				case 'select':
					$choices = $args['options'];
					echo '<select id="wpvt_'.$id.'" name="wpvt_options['.$id.']">';
					foreach($choices as $value => $label) {
						$selected = ($options[$id] == $value) ? ' selected' : '';
						echo '<option value="' . $value . '" ' . $selected . '>' . $label . '</option>';
					}
					echo '</select>';
					break;
				case 'checkbox':
					$checked = ($options[$id] == '1') ? ' checked' : '';
					echo '<input id="wpvt_'.$id.'" name="wpvt_options['.$id.']" type="checkbox" value="1" class="code" ' . $checked . ' /> '.$args['label'];
					break;
				default:
					break;
			}			
		}
	
	/* Back-end Interface */	
	function wpvt_config_page() { ?>
		<div class="wrap">
			<div id="poststuff">
				<div id="wpvt-icon"><br /></div>
				<?php echo '<h1 class="wpvt-title">' . __( 'WP Veriteco Timeline Configuration', 'wpvt-config' ) . '</h1>'; ?>
				<div class="clear"></div>
				
				<div class="postbox timeline-postbox">
					<h3>Timeline Settings</h3>
					
					<div class="inside">
						<form method="post" action="options.php">
							<?php settings_fields( 'wpvt_optiongroup' ); ?>
							<?php do_settings_sections( 'wpvt_page' ); ?>
							<?php submit_button(); ?>
						</form>
					</div>
				</div><!-- #postbox -->
			</div><!-- #poststuff -->
		</div>
	<?php }
	
	/* Register custom post type */
	function wpvt_post_type_init() {
		$labels = array(
			'name' => _x('Timeline Entries', 'post type general name'),
			'singular_name' => _x('Timeline Entry', 'post type singular name'),
			'add_new' => _x('Add New', 'timeline'),
			'add_new_item' => __('Add New Timeline Entry'),
			'edit_item' => __('Edit Timeline Entry'),
			'new_item' => __('New Timeline Entry'),
			'all_items' => __('All Timeline Entries'),
			'view_item' => __('View Timeline Entry'),
			'search_items' => __('Search Timeline Entries'),
			'not_found' =>  __('No Timeline Entries found'),
			'not_found_in_trash' => __('No Timeline Entries found in Trash'), 
			'parent_item_colon' => '',
			'menu_name' => __('Timeline')
		);
		$args = array(
			'labels' => $labels,
			'public' => true,
			'publicly_queryable' => true,
			'show_ui' => true, 
			'show_in_menu' => true, 
			'query_var' => true,
			'rewrite' => true,
			'capability_type' => 'post',
			'has_archive' => true, 
			'hierarchical' => false,
			'menu_position' => null,
			'supports' => array( 'title', 'editor', 'thumbnail' ),
			'register_meta_box_cb' => 'wpvt_meta_boxes'
		); 
		register_post_type( 'timeline' , $args );
		
		wp_register_style( 'veriteco_css', plugins_url('css/timeline.css', __FILE__) );
		wp_enqueue_style('veriteco_css');
	}
	add_action( 'init', 'wpvt_post_type_init' );
	
	/* Metaboxes for Timeline Post Type */
	function wpvt_meta_boxes() {
		add_meta_box( 'timeline-meta', 'Timeline Meta Data', 'wpvt_meta_boxes_inner', 'timeline' );
	}
	//add_action( 'add_meta_boxes', 'wpvt_meta_boxes' );

	/* Prints the box content */
	function wpvt_meta_boxes_inner() {
		global $post;
		wp_nonce_field( plugin_basename( __FILE__ ), 'wpvt_noncename' ); // Use nonce for verification
		
		$meta = get_post_meta($post->ID);
		?>
		<div class="wpvt-metabox">
			<div class="wpvt-metabox-item">
				<label for="wpvt_start_date">Start Date:</label>
				<input type="text" id="wpvt_start_date" name="wpvtmeta[wpvt_start_date]" class="datepicker" value="<?php echo $meta['wpvt_start_date'][0]; ?>" />
			</div>
			<div class="wpvt-metabox-item">
				<label for="wpvt_end_date">End Date:</label>
				<input type="text" id="wpvt_end_date" name="wpvtmeta[wpvt_end_date]" class="datepicker" value="<?php echo $meta['wpvt_end_date'][0]; ?>" />
			</div>
			<div class="wpvt-metabox-item">
				<label for="wpvt_video">Video Embed:</label>
				<input type="text" id="wpvt_video" class="longinput" name="wpvtmeta[wpvt_video]" value="<?php echo $meta['wpvt_video'][0]; ?>" />
			</div>
			<div class="wpvt-metabox-item">
				<label for="wpvt_video_caption">Video Caption:</label>
				<input type="text" id="wpvt_video_caption" class="longinput" name="wpvtmeta[wpvt_video_caption]" value="<?php echo $meta['wpvt_video_caption'][0]; ?>" />
			</div>
			
			<input type="submit" class="button" name="wpvt_meta_submit" value="Save Timeline Data" />
		</div>
		<?php
	}
	
	
	/* Save Meta Data */
	function wpvt_save_wpvt_meta($post_id, $post) {
		// verify this came from the our screen and with proper authorization,
		// because save_post can be triggered at other times
		if ( !wp_verify_nonce( $_POST['wpvt_noncename'], plugin_basename(__FILE__) )) {
			return $post->ID;
		}
		// Is the user allowed to edit the post or page?
		if ( !current_user_can( 'edit_post', $post->ID ))
			return $post->ID;
		// OK, we're authenticated: we need to find and save the data
		// We'll put it into an array to make it easier to loop though.
		// Serialize and save.
		$wpvt_meta = $_POST['wpvtmeta'];
		
		// Add values of $events_meta as custom fields
		foreach ($wpvt_meta as $key => $value) { // Cycle through the $events_meta array!
			if( $post->post_type == 'revision' ) return; // Don't store custom data twice
			if(get_post_meta($post->ID, $key, FALSE)) { // If the custom field already has a value
				update_post_meta($post->ID, $key, $value);
			} else { // If the custom field doesn't have a value
				add_post_meta($post->ID, $key, $value);
			}
			if(!$value) delete_post_meta($post->ID, $key); // Delete if blank
		}
	}
	add_action('save_post', 'wpvt_save_wpvt_meta', 1, 2); // save the custom fields	
	
	
	/* Save JSON file */
	function wpvt_update_json( $post_id ) {
		global $post;
		$post = get_post( $post_id );
		if($post->post_type == 'timeline') {
			$options = get_option('wpvt_options');
			
			$string = '
				{
					"timeline":
					{
						"headline":"' . $options['headline'] . '",
						"type":"' . $options['type'] . '",
						"text":"' . $options['text'] . '",
						"date": [
			';
			
			// TODO: APPEND DATE ENTRIES
			$args = array( 'post_type' => 'timeline', 'posts_per_page' => -1 );
			$loop = new WP_Query( $args );
			//$last = ($loop->post_count <= get_option('posts_per_page')) ? $loop->post_count : get_option('posts_per_page');
			
			while ( $loop->have_posts() ) :
				$loop->the_post();
				$entry = new wpvtEntry( $post );

				/*
				Acent dont display fix
				http://wordpress.org/support/topic/accent-don-t-display-1
				$string .= stripslashes($entry->toJSON());
				*/

				$string .= $entry->toJSON();

				if($loop->current_post < $loop->post_count - 1) {
					$string .= ',';
				}
				
				wp_reset_postdata();				
			endwhile;
			
			$string .= '
					]
					}
				}
			';

			$jsonFile = plugin_dir_path( __FILE__ ) . "/timeline.json";
			file_put_contents($jsonFile, $string);
		}
	}
	add_action('save_post', 'wpvt_update_json');
	
	
	/* Shortcodes */
	function wpvt_sc_func($atts) {
		global $post;
		$options = get_option('wpvt_options');
		$start_at_end = ($options['start_at_end'] == 1) ? 'true' : 'false';
		$hash_bookmark = ($options['hash_bookmark'] == 1) ? 'true' : 'false';
		
		// NOW I JUST NEED TO FETCH ALL THE POSTS, ARRANGE THE INFO INTO JSON THEN PRINT THE JAVASCRIPT CALL.
		// MAYBE GO WITH THE OPTION OF WRITING INTO A SEPARATE JSON FILE SO WE DON'T QUERY EVERY TIME.
		
		echo '
			<div id="timeline-embed"></div>
			<script type="text/javascript">
		    var timeline_config = {
				width: "'.$options['width'].'",
				height: "'.$options['height'].'",
				source: "'.plugins_url( 'timeline.json', __FILE__ ).'",
				start_at_end: '.$start_at_end.',
				hash_bookmark: '.$hash_bookmark.',
				css: "'.plugins_url( 'css/themes/font/'.$options['fonts'].'.css', __FILE__ ).'"	//OPTIONAL
			}
			</script>
			<script type="text/javascript" src="' . plugins_url( 'js/timeline-embed.js', __FILE__ ).'"></script>
		';
		
	}
	add_shortcode('WPVT', 'wpvt_sc_func');
	
	
?>