From 3746bf5f6ad145710ee1ec8d944ecf69617ea58e Mon Sep 17 00:00:00 2001
From: CaMer0n <cameron@e107coders.org>
Date: Tue, 24 Apr 2012 08:36:35 +0000
Subject: [PATCH] Gallery pagination

---
 e107_handlers/media_class.php                 | 19 ++++++++++++++--
 e107_plugins/gallery/gallery.php              | 22 ++++++++++++++-----
 e107_plugins/gallery/gallery_style.css        |  4 ++++
 .../shortcodes/batch/gallery_shortcodes.php   | 16 +++++++++++++-
 .../gallery/templates/gallery_template.php    |  3 ++-
 5 files changed, 54 insertions(+), 10 deletions(-)

diff --git a/e107_handlers/media_class.php b/e107_handlers/media_class.php
index 37cc919c8..0fa3891cd 100644
--- a/e107_handlers/media_class.php
+++ b/e107_handlers/media_class.php
@@ -244,17 +244,32 @@ class e_media
 		return $ret;	
 	}
 	
+	/**
+	 * Return the total number of Images in a particular category
+	 */	
+	public function countImages($cat)
+	{
+		$query = "SELECT media_id FROM #core_media WHERE media_category = '".$cat."' ";
+		return e107::getDb()->db_Select_gen($query);	
+	}
 	
 	
 	/**
 	 * Return an array of Images in a particular category
 	 */
-	public function getImages($cat,$from='',$amount='')
+	public function getImages($cat, $from=0, $amount=null)
 	{
 		if(!$cat) return;
 		// TODO check the category is valid. 
+		// TODO check userclasses. 
 		$ret = array();
-		e107::getDb()->db_Select_gen("SELECT * FROM #core_media WHERE media_category = '".$cat."' ORDER BY media_name");
+		$query = "SELECT * FROM #core_media WHERE media_category = '".$cat."' ORDER BY media_name";
+		
+		if($amount)
+		{
+			$query .= " LIMIT ".$from." ,".$amount;	
+		}
+		e107::getDb()->db_Select_gen($query);
 		while($row = e107::getDb()->db_Fetch(mySQL_ASSOC))
 		{
 			$id = $row['media_id'];
diff --git a/e107_plugins/gallery/gallery.php b/e107_plugins/gallery/gallery.php
index 221ca2f76..3ccc2981d 100644
--- a/e107_plugins/gallery/gallery.php
+++ b/e107_plugins/gallery/gallery.php
@@ -73,19 +73,29 @@ class gallery
 	//TODO Shadowbox/Popup support. 
 	function showImages($cat)
 	{
-		$mes 		= e107::getMessage();				
+		$mes 		= e107::getMessage();	
+		$tp			= e107::getParser();			
 		$template 	= e107::getTemplate('gallery');
-		$list 		= e107::getMedia()->getImages($cat);
 		$sc 		= e107::getScBatch('gallery',TRUE);
+					
+		$sc->total 	= e107::getMedia()->countImages($cat);
+		$sc->amount = 9; // TODO Add Pref. 
+		$sc->curCat = $cat;
+		$sc->from 	= ($_GET['frm']) ? intval($_GET['frm']) : 0;
+		
+		$list 		= e107::getMedia()->getImages($cat,$sc->from,$sc->amount);
 	
-		$text = "";	
+		$inner = "";	
+		
 		foreach($list as $row)
 		{
 			$sc->setParserVars($row);				
-			$text .= e107::getParser()->parseTemplate($template['LIST_ITEM'],TRUE);
+			$inner .= $tp->parseTemplate($template['LIST_ITEM'],TRUE);
 		}
-			
-		$text = $template['LIST_START'].$text.$template['LIST_END'];
+					
+		$text = $tp->parseTemplate($template['LIST_START'],TRUE);
+		$text .= $inner; 	
+		$text .= $tp->parseTemplate($template['LIST_END'],TRUE);
 		
 		e107::getRender()->tablerender("Gallery :: ".str_replace("_"," ",$cat),$mes->render().$text);
 		
diff --git a/e107_plugins/gallery/gallery_style.css b/e107_plugins/gallery/gallery_style.css
index d398aa8d8..00fdb322d 100644
--- a/e107_plugins/gallery/gallery_style.css
+++ b/e107_plugins/gallery/gallery_style.css
@@ -22,4 +22,8 @@
 
 .gallery-cat-title		{ text-align:center; }
 
+.gallery-list-nextprev	{ text-align:center; }
+
+.gallery-list-back		{ }
+
 
diff --git a/e107_plugins/gallery/shortcodes/batch/gallery_shortcodes.php b/e107_plugins/gallery/shortcodes/batch/gallery_shortcodes.php
index 457eddc66..f7a90b349 100644
--- a/e107_plugins/gallery/shortcodes/batch/gallery_shortcodes.php
+++ b/e107_plugins/gallery/shortcodes/batch/gallery_shortcodes.php
@@ -10,7 +10,13 @@ if (!defined('e107_INIT')) { exit; }
 
 
 class gallery_shortcodes extends e_shortcode
-{		
+{
+	
+	public $total = 0;
+	public $amount = 3;
+	public $from = 0;
+	public $curCat = null;
+			
 	function sc_gallery_caption($parm='')
 	{
 		$text = "<a href='".e107::getParser()->replaceConstants($this->eParserVars['media_url'])."' rel='external shadowbox' >";
@@ -46,5 +52,13 @@ class gallery_shortcodes extends e_shortcode
 		return $text;		
 	}
 	
+	function sc_gallery_nextprev($parm='')
+	{
+		$url = e_SELF."?cat=".$this->curCat."--AMP--frm=--FROM--";
+		$parm = 'total='.$this->total.'&amount='.$this->amount.'&current='.$this->from.'&url='.$url; // .'&url='.$url;
+		$text .= e107::getParser()->parseTemplate("{NEXTPREV=".$parm."}");
+		return $text;	
+	}
+	
 	
 }
diff --git a/e107_plugins/gallery/templates/gallery_template.php b/e107_plugins/gallery/templates/gallery_template.php
index 6d91097b1..28104ed57 100644
--- a/e107_plugins/gallery/templates/gallery_template.php
+++ b/e107_plugins/gallery/templates/gallery_template.php
@@ -21,7 +21,8 @@ $GALLERY_TEMPLATE['LIST_ITEM'] =
 $GALLERY_TEMPLATE['LIST_END'] = 
 	"</div>
 	<div class='gallery-list-end' >
-	<a href='".e_SELF."'>Back to Categories</a>
+	<div class='gallery-list-nextprev'>{GALLERY_NEXTPREV}</div>
+	<div class='gallery-list-back'><a href='".e_SELF."'>Back to Categories</a></div>
 	</div>
 	";