<?php
/**
 * Frontpage generation functions
 * Creates the slider, the columns, the titles and the extra text
 *
 * @package tempera
 * @subpackage Functions
 */

//wp_enqueue_style( 'tempera-frontpage' );

function tempera_excerpt_length_slider( $length ) {
	$temperas = tempera_get_theme_options();
	return apply_filters( 'tempera_slider_excerpt', ceil( $temperas['tempera_excerptwords']/2 ) );
}

function tempera_excerpt_more_slider( $more ) {
	return apply_filters( 'tempera_slider_more', '...' );
}

// main frontpage function call
tempera_frontpage();

function tempera_frontpage() {
	$temperas = tempera_get_theme_options();
	extract($temperas);
	?>

	<div id="frontpage">

		<?php
			// Slider
			if ($tempera_slideType=="Slider Shortcode") { ?>
				<div class="slider-wrapper">
					<?php echo do_shortcode( $tempera_slideShortcode ); ?>
				</div> <?php
			} else {
				
				add_filter( 'excerpt_length', 'tempera_excerpt_length_slider', 999 );
				add_filter( 'excerpt_more', 'tempera_excerpt_more_slider', 999 );
				remove_filter( 'get_the_excerpt', 'tempera_excerpt_morelink', 20 ); // remove theme continue-reading on slider posts
				
				tempera_ppslider();
			}
		?>

		<div id="pp-afterslider">
			<?php
			// First FrontPage Title
			if($tempera_fronttext1) {?><div id="front-text1"> <h2><?php echo do_shortcode($tempera_fronttext1) ?> </h2></div><?php }
			if($tempera_fronttext3) {?><div id="front-text3"> <?php echo force_balance_tags( do_shortcode($tempera_fronttext3) ) ?> </div><?php }

			tempera_ppcolumns();

			// Second FrontPage title
			if($tempera_fronttext2) {?><div id="front-text2"> <h2><?php echo do_shortcode($tempera_fronttext2) ?> </h2></div><?php }
			// Frontpage second text area
			if($tempera_fronttext4) {?><div id="front-text4"> <?php echo force_balance_tags( do_shortcode($tempera_fronttext4) ) ?> </div><?php }

			remove_filter( 'excerpt_length', 'tempera_excerpt_length_slider', 999 );
			remove_filter( 'excerpt_more', 'tempera_excerpt_more_slider', 999 );
			add_filter( 'get_the_excerpt', 'tempera_excerpt_morelink', 20 ); // restore theme continue-reading for posts list
			
			if ($tempera_frontposts=="Enable"): get_template_part('content/content', 'frontpage'); endif; ?>

		</div> <!-- #pp-afterslider -->
	</div> <!-- #frontpage -->
	<?php 
} // tempera_frontpage()

function tempera_ppslider() {
	global $temperas;
	extract($temperas);
	
    $custom_query = new WP_query();
    $slides = array();

	if($tempera_slideNumber>0) {

		// Switch for Query type
		switch ($tempera_slideType) {
			case 'Latest Posts' :
			   $custom_query->query('showposts='.$tempera_slideNumber.'&ignore_sticky_posts=' . apply_filters('tempera_pp_nosticky', 1) );
			break;
			case 'Random Posts' :
			   $custom_query->query('showposts='.$tempera_slideNumber.'&orderby=rand&ignore_sticky_posts=' . apply_filters('tempera_pp_nosticky', 1) );
			break;
			case 'Latest Posts from Category' :
			   $custom_query->query('showposts='.$tempera_slideNumber.'&category_name='.$tempera_slideCateg.'&ignore_sticky_posts=' . apply_filters('tempera_pp_nosticky', 1) );
			break;
			case 'Random Posts from Category' :
			   $custom_query->query('showposts='.$tempera_slideNumber.'&category_name='.$tempera_slideCateg.'&orderby=rand&ignore_sticky_posts=' . apply_filters('tempera_pp_nosticky', 1) );
			break;
			case 'Sticky Posts' :
			   $custom_query->query(array('post__in'  => get_option( 'sticky_posts' ), 'showposts' =>$tempera_slideNumber,'ignore_sticky_posts' => 1));
			break;
			case 'Specific Posts' :
			   // Transofm string separated by commas into array
			   $pieces_array = explode(",", $tempera_slideSpecific);
			   $custom_query->query(array( 'post_type' => 'any', 'showposts' => -1, 'post__in' => $pieces_array, 'ignore_sticky_posts' => apply_filters('tempera_pp_nosticky', 1),'orderby' => 'post__in' ));
			   break;
			case 'Custom Slides':
			break;
			case 'Disabled':
			break;
			}//switch

	};
	
    // switch for reading/creating the slides
    switch ($tempera_slideType) {
		  case 'Disabled':
			   break;
          case 'Custom Slides':
               for ($i=1;$i<=5;$i++):
                    if(${"tempera_sliderimg$i"}):
                         $slide['image'] = esc_url(${"tempera_sliderimg$i"});
                         $slide['link'] = esc_url(${"tempera_sliderlink$i"});
                         $slide['title'] = ${"tempera_slidertitle$i"};
                         $slide['text'] = ${"tempera_slidertext$i"};
                         $slides[] = $slide;
                    endif;
               endfor;
               break;
          default:
			   if($tempera_slideNumber>0):
               if ( $custom_query->have_posts() ) while ($custom_query->have_posts()) :
                    $custom_query->the_post();
                	$img = wp_get_attachment_image_src( get_post_thumbnail_id( get_the_ID() ),'slider');
                	$slide['image'] = esc_url( $img[0] );
                	$slide['link'] = esc_url( get_permalink() );
                	$slide['title'] = get_the_title();
                	$slide['text'] = get_the_excerpt();
                	$slides[] = $slide;
               endwhile;
			   endif; // slidenumber>0
               break;
    }; // switch

	if (count($slides)>0) { ?>
	<div class="slider-wrapper theme-default <?php if($tempera_fpsliderarrows=="Visible on Hover"): ?>slider-navhover<?php endif; ?> slider-<?php echo  preg_replace("/[^a-z0-9]/i","",strtolower($tempera_fpslidernav)); ?>">
		<div class="ribbon"></div>
		<div id="slider" class="nivoSlider">
		<?php foreach($slides as $id=>$slide) {
				if($slide['image']): ?>
				<a href='<?php echo ($slide['link']?$slide['link']:'#'); ?>'>
					 <img src='<?php echo $slide['image']; ?>' data-thumb='<?php echo $slide['image']; ?>' alt="<?php echo ($slide['title']?esc_attr( $slide['title'] ) : ''); ?>" <?php if ($slide['title'] || $slide['text']): ?> title="#caption<?php echo $id;?>" <?php endif; ?> />
				</a><?php endif; ?>
		<?php }; ?>
		</div>
		<?php foreach($slides as $id=>$slide) { ?>
				<div id="caption<?php echo $id;?>" class="nivo-html-caption">
					<?php echo (strlen($slide['title'])>0?'<h2>'.$slide['title'].'</h2>':'');
						  echo (strlen($slide['text'])>0?'<div class="slide-text">'.$slide['text'].'</div>':''); ?>
				</div>
		<?php }; ?>
	</div>
	<?php } ?>
	<div class="slider-shadow"></div>

	<?php 
} // tempera_ppslider()

function tempera_ppcolumns() {
	global $temperas;
	extract($temperas);
	
	$custom_query2 = new WP_query();
	$columns = array();

	if($tempera_columnNumber>0):
		// Switch for Query type
		switch ($tempera_columnType) {
			 case 'Latest Posts' :
				  $custom_query2->query('showposts='.$tempera_columnNumber.'&ignore_sticky_posts=1');
			 break;
			 case 'Random Posts' :
				  $custom_query2->query('showposts='.$tempera_columnNumber.'&orderby=rand&ignore_sticky_posts=1');
			 break;
			 case 'Latest Posts from Category' :
				  $custom_query2->query('showposts='.$tempera_columnNumber.'&category_name='.$tempera_columnCateg.'&ignore_sticky_posts=1');
			 break;
			 case 'Random Posts from Category' :
				  $custom_query2->query('showposts='.$tempera_columnNumber.'&category_name='.$tempera_columnCateg.'&orderby=rand&ignore_sticky_posts=1');
			 break;
			 case 'Sticky Posts' :
				  $custom_query2->query(array('post__in' => get_option( 'sticky_posts' ), 'showposts' =>$tempera_columnNumber, 'ignore_sticky_posts' => 1));
			 break;
			 case 'Specific Posts' :
				  // Transform string separated by commas into array
				  $pieces_array = explode(",", $tempera_columnSpecific);
				  $custom_query2->query(array( 'post_type' => 'any', 'post__in' => $pieces_array, 'ignore_sticky_posts' => 1,'orderby' => 'post__in', 'showposts' => -1 ));
				  break;
			 case 'Widget Columns':
			 case 'Disabled':
				  // no query needed
				  break;
		}; //switch

	endif; // columnNumber>0

	// switch for reading/creating the columns
	switch ($tempera_columnType) {
		case 'Disabled':
		break;
	 	case 'Widget Columns':
			  // if widgets loaded
			  if (is_active_sidebar('presentation-page-columns-area')) {
				   echo "<div id='front-columns'>";
				   dynamic_sidebar( 'presentation-page-columns-area' );
				   echo "</div>";
			   }
			   // if no widgets loaded use the defaults
			  else {
				   global $tempera_column_defaults;
				   tempera_columns($tempera_column_defaults,$tempera_nrcolumns, $tempera_columnreadmore);
			   }
		break;
	 	default:
			if($tempera_columnNumber>0):
			if ( $custom_query2->have_posts() )
			   while ($custom_query2->have_posts()) :
				   $custom_query2->the_post();
				   $img = wp_get_attachment_image_src( get_post_thumbnail_id( get_the_ID() ),'columns');
				   $column['image'] = esc_url( $img[0] );
				   $column['link'] = esc_url( get_permalink() );
				   $column['text'] = get_the_excerpt();
				   $column['title'] = get_the_title();
				   $columns[] = $column;
			   endwhile;
			   tempera_columns($columns,$tempera_nrcolumns, $tempera_columnreadmore);
			endif; // columnNumber>0
		break;
		}; // switch

} // tempera_ppcolumns()

function tempera_columns($columns,$nr_columns,$readmore){
	$counter=0;
	global $temperas;
    extract($temperas);
	?>
	<div id="front-columns" class="pp-columns<?php echo $nr_columns; ?>">
		<?php
		foreach($columns as $column) {
			if($column['image']) :
				$counter++;
				if (!isset($column['blank'])) $column['blank'] = 0;
				$coldata = array(
					'colno' => (($counter%$nr_columns)?$counter%$nr_columns:$nr_columns),
					'counter' => $counter,
					'image' => esc_url( $column['image'] ),
					'link' => esc_url( $column['link'] ),
					'blank' => ($column['blank']?'target="_blank"':''),
					'title' =>  wp_kses_data($column['title']),
					'text' => wp_kses_data($column['text']),
					'readmore' => wp_kses_data($readmore),
				);
				tempera_singlecolumn_output($coldata);
			endif;
		}; ?>
	</div><?php
} // tempera_columns()

// tempera_singlecolumn_output() moved to includes/widget.php and made pluggable

// FIN