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United-Forum Nivo Slider Widget · **Released**: 07-17-2011

Based on the Nivo Slider - all credit for slider awesomeness goes to them.

vB4 implementation goes to me.

What it is:
A slider for cms articles, it gets the articles via database, uses (if possible) the previewimage there and resizes it to slider size *update 1.1.0 cropping function included.

Livedemo on a Big Board (>2.000.000 posts)
the nivo slider on our site is customized to fit our heavily customized cms. Default look of this addon is shown in the picture below

facts about the nivo slider

Quote:

Originally Posted by nivo slider homepage

- ~ 600.000 downloads
- 16 transition effects
- a ton of options
- different available themes
- ...

Installation

upload all files (attached zip file) in the folder where you do need them - this has to be the same folder you will set via $slider_img_filepath (see picture)

create a new php-widget and insert the following code:

Code:

// DEBUG MODUS !
$debug_modus = false;

if($debug_modus === false)
{
	ob_start();
}

//nivo slider - uf - vb.org version
//set these values as you need them:

//your slider folder - has to be read and writeable
//folder where all slider files are saved
$slider_img_filepath = 'external/unitedforum/slider/';   

//picture width and height !same as in the CSS FILE!
$maxwidth = 650;                                  
$maxheight = 250;    

//do you want images without previewimage to be shown? slider is using the fallback then
$show_articles_without_image = false;           

//picture shown if your articles has no previewpicture
$fallback_img = $slider_img_filepath . 'uf_fallback_slider.png';  

//hardcoded maximum is 20 - if you want more just ask
$number_of_articles_shown = 10;                                
            
//lengh in characters of the article descriptions
$description_length = 95;

//stretch picture or crop them? false = strechting (default) true = cropping (beta)
$crop = false;


//Debug Messages
if($debug_modus)
{
	echo "<span style='color:red;'>DEBUG MODE is ON! </span><br />";
	echo "slider_img_filepath: $slider_img_filepath <br />";
	echo "width: $maxwidth   height: $maxheight <br />";
	echo "Strech or Crop? $crop <br />";
	echo "show_articles_without_image: "; 
        var_dump($show_articles_without_image); 
        echo " <br />";
	echo "fallback_img: $fallback_img <br />";
	echo "#img: $number_of_articles_shown <br />";
	echo "description_length: $description_length <br />";
	echo 'directory ' . DIR . '<br />';

}




$article_type = vb_Types::instance()->getContentTypeID("vBCms_Article");
$time = TIMENOW;
 
if(!extension_loaded('gd'))
{
	echo '<span style="color:red">Error occurred:</span> Your System does not support the GD-Libary. Please install the GD-Libary.<br />';
}
       
	$article_get = vB::$db->query_read('
        SELECT
            article.pagetext,
            article.previewimage,
            node.url,
            node.publishdate,
            node.parentnode,
            parentnode.url AS parenturl,
            thread.replycount,
            info.title,
            node.nodeid,            
            GROUP_CONCAT( category.category )
        FROM
            '.TABLE_PREFIX.'cms_article AS article INNER JOIN
            '.TABLE_PREFIX.'cms_node AS node 
                ON (node.contentid = article.contentid AND node.contenttypeid = ' . vb::$db->sql_prepare($article_type) .') INNER JOIN
            '.TABLE_PREFIX.'cms_nodeinfo AS info 
                ON info.nodeid = node.nodeid INNER JOIN
            '.TABLE_PREFIX.'cms_node AS parentnode 
                ON parentnode.nodeid = node.parentnode LEFT JOIN
            '.TABLE_PREFIX.'thread AS thread ON thread.threadid = info.associatedthreadid LEFT JOIN
            '.TABLE_PREFIX.'cms_nodecategory AS nodecategory ON nodecategory.nodeid = node.nodeid LEFT JOIN
            '.TABLE_PREFIX.'cms_category AS category ON nodecategory.categoryid = category.categoryid 
        WHERE
            node.setpublish = 1 AND
            node.publishdate > '. vb::$db->sql_prepare($time) .' -34560000 AND
			node.publishdate < '. vb::$db->sql_prepare($time) .' 
        GROUP BY node.nodeid
        ORDER BY node.publishdate
        DESC LIMIT 20');

    $database_articles = array();
    
    /* my version of sorting the articles via relevance - i'll keep it in case someone is interested*/
    while($article = vB::$db->fetch_array($article_get))
    {
        $article['value'] = ( 5 - ($time - $article['publishdate'] ) / 86400 ) * ( 5 - ($time - $article['publishdate'] ) / 86400 ) * ( 5 - ($time - $article['publishdate'] ) / 86400 ) + (10 * $article['replycount']);
        $database_articles[] = $article;        
    }
    
    foreach($database_articles as $c => $key)
    {
        $sort_value[] = $key['value'];
    }
    
    array_multisort($sort_value, SORT_DESC, $database_articles);    
    
    //
    $i = 0;
    $section_array = array();
    $featured_articles = array();
	
    foreach($database_articles AS $article)
    {
        $section_array[$article['parentnode']]++;

        $categories = explode(',' , $article['GROUP_CONCAT( category.category )']);
     
        if($show_articles_without_image == true OR $article['previewimage'])
        {
            if($section_array[$article['parentnode']] < 50 AND $i < $number_of_articles_shown)
            {
				if($debug_modus == true OR !file_exists($slider_img_filepath . 'slide_' . $article['nodeid'] . '.jpg'))
				{
					//rebuild image to the height and width we want in the slider 
					//called sprite since i got the code from our sprite addon :P
					$sprite = imagecreatetruecolor($maxwidth, $maxheight);
					if(is_resource($sprite) AND $article['previewimage'] )
					{                   				
						$imageinfo = getimagesize($article['previewimage']);
						if(is_array($imageinfo))
						{   
							$image = null;
							switch($imageinfo[2])
							{
								case IMAGETYPE_PNG:
								$image = imagecreatefrompng($article['previewimage']);
								break;
								case IMAGETYPE_GIF:
								$image = imagecreatefromgif($article['previewimage']);
								break;
								case IMAGETYPE_JPEG:
								$image = imagecreatefromjpeg($article['previewimage']);
								break;
								default:
								echo '<span style="color:red">Error occurred:</span> Unknown image format. ' . $article['previewimage']. '<br />';
								break;                        
							}
							
							if(!is_resource($image))
							{
								//resiziing did not work - we are using the fallback image.
								echo '<span style="color:red">Error occurred:</span> imagecreation failed. ' . $article['previewimage']. '<br />';
								$article['previewimage'] = $fallback_img;
							}
							else
							{
								$img_width = $imageinfo[0];
								$img_height = $imageinfo[1];							
								
								if($crop == false)
								{									
									imagecopyresampled($sprite, $image, 0, 0, 0, 0, $maxwidth, $maxheight, $img_width, $img_height );
									imagedestroy($image);
								}
								else
								{
									//cropping
									$ratiox = $maxheight / $img_height ;
									$ratioy = $maxwidth / $img_width ;
									$new_height = $img_height;
									$new_width = $img_width;
									
									if ($maxheight > $img_height OR $maxwidth > $img_width)
									{
										if($ratiox > $ratioy)
										{
											$new_height = round($img_height * $ratiox);
											$new_width = round($img_width * $ratiox);
										}
										else
										{
											$new_height = round($img_height * $ratioy);
											$new_width = round($img_width * $ratioy);
										}										
									}
									$cropx = $new_height - $maxheight;
									$cropy = $new_width - $maxwidth;
									
									imagecopyresampled($sprite, $image, 0, 0, 0, 0, $new_width, $new_height, $img_width, $img_height);
									imagedestroy($image);
									
								}
								
								
								$img_filepath = $slider_img_filepath . 'slide_' . $article['nodeid'] . '.jpg';
								$success = imagejpeg($sprite, DIR  . ($img_filepath[0] != DIRECTORY_SEPARATOR ?  DIRECTORY_SEPARATOR : '') . $img_filepath);
								imagedestroy($sprite);
								if($success)
								{
									$article['previewimage'] = $img_filepath;
								}
								else
								{
									$img_filepath = DIR  . ($img_filepath[0] != DIRECTORY_SEPARATOR ?  DIRECTORY_SEPARATOR : '') . $img_filepath;
									echo '<span style="color:red">Error occurred:</span> imagejpeg failed. ' . $article['previewimage']. '<br />
									directory: '. $img_filepath ;
									
									$article['previewimage'] = $fallback_img;
								}
							}
							
						}
						else
						{
							//resiziing did not work - we are using the fallback image.
							echo '<span style="color:red">Error occurred:</span> picture is not readable.' . $article['previewimage']. '<br /> ';
							$article['previewimage'] = $fallback_img;
						}                  
					}
					else
					{
						//resiziing did not work - we are using the fallback image.
						echo '<span style="color:red">Warning:</span> article has no previewimage or sprite is no ressource. ' . $article['previewimage']. '<br />';
						$article['previewimage'] = $fallback_img;
					}
				}
				else
				{
					//we already have the image, no need to resize or crop anything
					$article['previewimage'] = $slider_img_filepath . 'slide_' . $article['nodeid'] . '.jpg';
				}

                /*remove everything from the previewtext - html and bb. I do not want bold or colored text there. Cut to a decent length.*/        
                $article['pagetext'] = strip_bbcode($article['pagetext'], true, true, false, true, false);

                $article['previewtext'] = strip_tags($article['pagetext'], '<a>');
                    
                $len = $description_length;
                if ( strlen($article['previewtext']) > $len )
                {                    
                    $article['previewtext'] = substr( $article['previewtext'] , 0 , strrpos( substr( $article['previewtext'], 0, $len), ' ' ));
                }   

                $i++;
                //Build Array
                $article_neu = array();
                $article_neu['description'] = '<h2 style="font-weight:bold; font-size: 14px">'. $article['title'].'</h2><span>'. $article['previewtext'] .'</span> <a href="/content.php?r=' . $article['nodeid'] . '-' . $article['url'] . '">read on</a>';
                $article_neu['htmlcaptionname'] = 'htmlcaption' . $article['nodeid'] ;
                $article_neu['picture'] = '<a href="/content.php?r=' . $article['nodeid'] . '-' . $article['url'] . '"><img src="'.$article['previewimage'].'" alt="" title="#htmlcaption'. $article['nodeid'] . '" /></a>';
                
                $featured_articles[] = $article_neu;
            }
        }
    }
    
    //Randomize Array
    //shuffle($featured_articles);

	//Debug Messages
	if($debug_modus)
	{
		echo '#articles - featured and databasepull ';
		var_dump(count($featured_articles));
		var_dump(count($database_articles));
	}

    
$output_bits = '
    <link rel="stylesheet" href="' .$slider_img_filepath. 'nivo-slider.css" type="text/css" media="screen" />
    <link rel="stylesheet" href="' .$slider_img_filepath. 'nivo-slider_uf_theme.css" type="text/css" media="screen" />
    <div style="height:' . $maxheight . 'px;">
    <div id="wrapper">
        <div class="slider-wrapper theme-uf">
            <div class="ribbon"></div>
            <div id="slider" class="nivoSlider">';
            
                foreach($featured_articles AS $article)
                {
                    $output_bits .= $article['picture'];
                }
            $output_bits .= '
            </div>';
            
            foreach($featured_articles AS $article)
            {
                $output_bits .= '<div id="' . $article['htmlcaptionname'] . '" class="nivo-html-caption">' . $article['description'] .'</div>';
            }
            
            $output_bits .= '         
        </div>

    </div>
    <script type="text/javascript" src="' .$slider_img_filepath. 'jquery-1.6.1.min.js"></script>
    <script type="text/javascript" src="' .$slider_img_filepath. 'jquery.nivo.slider.pack.js"></script>
    <script type="text/javascript">
    $(window).load(function() {
        $("#slider").nivoSlider();
    });
    </script>
    </div>
    ';
        $output = $output_bits;
 
if($debug_modus === false)
{
	ob_end_clean();        
}

set refresh time to something big!
save - add the widget to your layout - enjoy

Custom settings:

At the top of the php-widget code you can see the following:
Code:
// DEBUG MODUS !
$debug_modus = false;

if($debug_modus === false)
{
	ob_start();
}

//nivo slider - uf - vb.org version
//set these values as you need them:

//your slider folder - has to be read and writeable
//folder where all slider files are saved
$slider_img_filepath = 'external/unitedforum/slider/';   

//picture width and height !same as in the CSS FILE!
$maxwidth = 650;                                  
$maxheight = 250;    

//do you want images without previewimage to be shown? slider is using the fallback then
$show_articles_without_image = false;           

//picture shown if your articles has no previewpicture
$fallback_img = $slider_img_filepath . 'uf_fallback_slider.png';  

//hardcoded maximum is 20 - if you want more just ask
$number_of_articles_shown = 5;                                
            
//lengh in characters of the article descriptions
$description_length = 95;
If you change $maxwidth and $maxheight you need to edit the nivo-slider_uf_theme.css file, here:
Code:
.theme-uf #slider {
    margin:0px auto 0 auto;
    width:650px; /* Make sure your images are the same size */
    height:250px; /* Make sure your images are the same size */
}
Width and height have to be the same value in your php-widget and in the css file.

In additon to these settings i also included a "value/relevance function". Meaning the slider doesn't show your latest 5 articles, but instead weights them based on age and comments.

As older an article is the less likely it will show up in the slider.
More comments make it more likely.

This behaviour can be easily changed. I didn't include an if condition cause every board has different needs and i don't know whats best for you.
In addition conditions like "articles just from this section - or these sections, or this category, with a minimum of 10 posts" can be included via one single if condition. Again, i don't know what your board needs or what your category names are.

You can also modify the preview length (more words, less words), the preview style (color fontsize, fontweight .... Again different forums different needs. It's highly customizable.

Support:

Support and requests for the slider itself should be asked here http://nivo.dev7studios.com/
Same goes for different slider themes - a lot is possible, even thumbnails - again this is part of the nivo slider and not the vb4 implementation.

If you have any questions regarding the settings - or want different settings (which have to do with vb4) - ask, and i'll try to come up with some code // show you where you have to put what.

Slider not working. No idea why?

You will find a FAQ in the first comment, which will be kept up to date:
FAQ

The widget here is completely free. No charge, no branding.
But, we do not mind donations either. If you want to give us something. Since we are advertising free and fan based we are happy about every small donation.

( On Forumhome bottom right paypal button: http://www.united-forum.de/forum.php )

That's all
Hope it works for you.

Regards Mooff

zairafusco · #**212** 09-06-2011, 10:52 AM

ok... maybe i missed something but i tried to have two instances of the slider
(nb. as you told me in my previuos help request i changed the part of code about the selection.. i jut need articles by date)

so 1) i create a second widget 2) edited the widget (changes also the the DIV id, the .css path and also doubled the .js file trying to have 2 indipendent things)

at this point everything was fine, i had 2 sliders on the same page, each with a different .css customization

but obviously i wanted them to be linked to 2 different CMS sections, so i added the code AND.. to the SELECT, and the correct section ids and ...

that didn't wok, it seems some kind of conflict issue (if i remove one slider the other works correctly) ..

the problem is: the second slider (say they are in the navbar, so the first on the top with section'a' set and the second right under with the section 'b') get "confused" mixing the articles of the sections a and b (precisely:it shows the only article of section 'a' and the first one of section 'b' which has 2 articles).. i think could be related to the result of the first SELECT, maybe if it possibile to have the second select starting from zero.. i event ried to rename all the variables but the result is still the same

any help?

thanks for your support

YkudzA · #**213** 09-06-2011, 11:37 AM

sorry for off but I`m glad to see C&C staff there

sensimilla · #**214** 09-06-2011, 12:29 PM

Thanks for this great addon.

I ve read several QA here and still I cant find why the slider displays only default uploaded image.

Permissions and path checked and rechecked..

The attachments are not transformed into png btw..

Any ideas ?

Mooff · #**215** 09-06-2011, 01:14 PM

@YkudzA
Great to see you too.

Big thanks for the donation.

@zairafusco
Can you link me to your site where the sliders are installed?
As a guess i would say you are using the same folder for both sliders and therefore it does overwrite the pictures. Can you confirm that the captions and descriptions are correct and the images are not?
If that is the case i have two solutions for you:
a) use different folders
b) use this (browser cache issue) fix: https://vborg.vbsupport.ru/showpost....&postcount=195

@w3rk3d
I don't see a page load slowdown on our site. Since we are into page speed a lot (see the sprite addon) i'm very curious where that problem might come from. If it really is the nivo slider framework we will switch the engine. But as of right now i can't reproduce that behaviour and in addition the nivo slider is used a lot on the internet, so i would assume their support forum beeing flooded if it does affect loading times.

@sensimilla
Please check the last FAQ question and send me the debug.

@apaydin2148
you need to have the suite and cms active, then in the acp it's in the cms->widget->new_widget section

sensimilla · #**216** 09-06-2011, 01:30 PM

Thanks for your fast response.. it says

Code:

DEBUG MODE is ON! 
slider_img_filepath: /var/www/sites/stylwolny.pl/public/slider/ 
width: 500 height: 250 
show_articles_without_image: bool(false) 
fallback_img: /var/www/sites/stylwolny.pl/public/slider/uf_fallback_slider.png 
#img: 5 
description_length: 95 
directory /var/www/sites/stylwolny.pl/public
Error occurred: imagejpeg failed. http://www.stylwolny.pl/slider/palikotvsholdys.png
directory: /var/www/sites/stylwolny.pl/public/var/www/sites/stylwolny.pl/public/slider/slide_0.jpg#articles - featured and databasepull int(1) int(1)

Mooff · #**217** 09-06-2011, 02:55 PM

change
$slider_img_filepath: '/var/www/sites/stylwolny.pl/public/slider/';

to
$slider_img_filepath: 'slider/' ;

zairafusco · #**218** 09-06-2011, 06:57 PM

@Moof

i followed your hint about different folders..it's almost ok but...
i added also (trying everything) a static slider (slider 3) and now slider 1 and slider 2 (dynamic) are linked to the right sections but instead of articles text they both get the static text of slider 3..

if i remove slider 3 i have the same problem.. the sliders show both the same text (slider 1 articles)
NB. but the link to the article is correct (clicking on the image thoug, the caption show only the slider 3 href)

link:
www.dogmylife.com/beta

thank you not only for your mod but for the great support (and fast!)

HERE THE CODE OF SLIDER 1

//////////////////////////////////////////////////////////////////////////////////////////////////////////SLIDER 1
// DEBUG MODUS !
$debug_modus = false;

if($debug_modus === false)
{
ob_start();
}

//nivo slider - uf - vb.org version
//set these values as you need them:

//your slider folder - has to be read and writeable
//folder where all slider files are saved
$slider_img_filepath = 'nivo1/';

//picture width and height !same as in the CSS FILE!
$maxwidth = 300;
$maxheight = 250;

//do you want images without previewimage to be shown? slider is using the fallback then
$show_articles_without_image = false;

//picture shown if your articles has no previewpicture
$fallback_img = $slider_img_filepath . 'uf_fallback_slider.png';

//hardcoded maximum is 20 - if you want more just ask
$number_of_articles_shown = 5;

//lengh in characters of the article descriptions
$description_length = 95;

//Debug Messages
if($debug_modus)
{
echo "<span style='color:red;'>DEBUG MODE is ON! </span><br />";
echo "slider_img_filepath: $slider_img_filepath <br />";
echo "width: $maxwidth height: $maxheight <br />";
echo "show_articles_without_image: ";
var_dump($show_articles_without_image);
echo " <br />";
echo "fallback_img: $fallback_img <br />";
echo "#img: $number_of_articles_shown <br />";
echo "description_length: $description_length <br />";
echo 'directory ' . DIR . '<br />';

}

$article_type = vb_Types::instance()->getContentTypeID("vBCms_Article");
$time = TIMENOW;

if(!extension_loaded('gd'))
{
echo '<span style="color:red">Error occurred:</span> Your System does not support the GD-Libary. Please install the GD-Libary.<br />';
}

$article_get = vB::$db->query_read('
SELECT
article.pagetext,
article.previewimage,
node.url,
node.publishdate,
node.parentnode,
parentnode.url AS parenturl,
thread.replycount,
info.title,
node.nodeid,
GROUP_CONCAT( category.category )
FROM
'.TABLE_PREFIX.'cms_article AS article INNER JOIN
'.TABLE_PREFIX.'cms_node AS node
ON (node.contentid = article.contentid AND node.contenttypeid = ' . vb::$db->sql_prepare($article_type) .') INNER JOIN
'.TABLE_PREFIX.'cms_nodeinfo AS info
ON info.nodeid = node.nodeid INNER JOIN
'.TABLE_PREFIX.'cms_node AS parentnode
ON parentnode.nodeid = node.parentnode LEFT JOIN
'.TABLE_PREFIX.'thread AS thread ON thread.threadid = info.associatedthreadid LEFT JOIN
'.TABLE_PREFIX.'cms_nodecategory AS nodecategory ON nodecategory.nodeid = node.nodeid LEFT JOIN
'.TABLE_PREFIX.'cms_category AS category ON nodecategory.categoryid = category.categoryid
WHERE
node.setpublish = 1 AND
node.publishdate > '. vb::$db->sql_prepare($time) .' -34560000 AND
node.publishdate < '. vb::$db->sql_prepare($time) .' AND
node.parentnode IN ( 125)

GROUP BY node.nodeid
ORDER BY node.publishdate
DESC LIMIT 20');

$database_articles = array();

/* my version of sorting the articles via relevance - i'll keep it in case someone is interested*/
while($article = vB::$db->fetch_array($article_get))
{
$article['value'] = ( 5 - ($time - $article['publishdate'] ) / 86400 ) * ( 5 - ($time - $article['publishdate'] ) / 86400 ) * ( 5 - ($time - $article['publishdate'] ) / 86400 ) + (10 * $article['replycount']);
$database_articles[] = $article;
}

foreach($database_articles as $c => $key)
{
$sort_value[] = $key['value'];
}

array_multisort($sort_value, SORT_DESC, $database_articles);

//
$i = 0;
$section_array = array();
$featured_articles = array();

foreach($database_articles AS $article)
{
$section_array[$article['parentnode']]++;

$categories = explode(',' , $article['GROUP_CONCAT( category.category )']);

if($show_articles_without_image == true OR $article['previewimage'])
{
if($section_array[$article['parentnode']] < 50 AND $i < $number_of_articles_shown)
{

//rebuild image to the height and width we want in the slider
//called sprite since i got the code from our sprite addon :P
$sprite = imagecreatetruecolor($maxwidth, $maxheight);
if(is_resource($sprite) AND $article['previewimage'] )
{
$imageinfo = getimagesize($article['previewimage']);
if(is_array($imageinfo))
{
$image = null;
switch($imageinfo[2])
{
case IMAGETYPE_PNG:
$image = imagecreatefrompng($article['previewimage']);
break;
case IMAGETYPE_GIF:
$image = imagecreatefromgif($article['previewimage']);
break;
case IMAGETYPE_JPEG:
$image = imagecreatefromjpeg($article['previewimage']);
break;
default:
echo '<span style="color:red">Error occurred:</span> Unknown image format. ' . $article['previewimage']. '<br />';
break;
}

if(!is_resource($image))
{
//resiziing did not work - we are using the fallback image.
$article['previewimage'] = $fallback_img;
echo '<span style="color:red">Error occurred:</span> imagecreation failed. ' . $article['previewimage']. '<br />';
}
else
{
$img_width = $imageinfo[0];
$img_height = $imageinfo[1];

imagecopyresampled($sprite, $image, 0, 0, 0, 0, $maxwidth, $maxheight, $img_width, $img_height );
imagedestroy($image);

$img_filepath = $slider_img_filepath . 'slide_' . $i . '.jpg';
$success = imagejpeg($sprite, DIR . ($img_filepath[0] != DIRECTORY_SEPARATOR ? DIRECTORY_SEPARATOR : '') . $img_filepath);
imagedestroy($sprite);
if($success)
{
$article['previewimage'] = $img_filepath;
}
else
{
$img_filepath = DIR . ($img_filepath[0] != DIRECTORY_SEPARATOR ? DIRECTORY_SEPARATOR : '') . $img_filepath;
echo '<span style="color:red">Error occurred:</span> imagejpeg failed. ' . $article['previewimage']. '<br />
directory: '. $img_filepath ;

$article['previewimage'] = $fallback_img;
}
}

}
else
{
//resiziing did not work - we are using the fallback image.
$article['previewimage'] = $fallback_img;
echo '<span style="color:red">Error occurred:</span> picture is not readable.' . $article['previewimage']. '<br /> ';
}
}
else
{
//resiziing did not work - we are using the fallback image.
$article['previewimage'] = $fallback_img;
echo '<span style="color:red">Warning:</span> article has no previewimage or sprite is no ressource. ' . $article['previewimage']. '<br />';
}

/*remove everything from the previewtext - html and bb. I do not want bold or colored text there. Cut to a decent length.*/
$article['pagetext'] = strip_bbcode($article['pagetext'], true, true, false, true, false);

$article['previewtext'] = strip_tags($article['pagetext'], '<a>');

$len = $description_length;
if ( strlen($article['previewtext']) > $len )
{
$article['previewtext'] = substr( $article['previewtext'] , 0 , strrpos( substr( $article['previewtext'], 0, $len), ' ' ));
}

$i++;
//Build Array
$article_neu = array();
$article_neu['description'] = '<h2 style="font-weight:bold; font-size: 14px">'. $article['title'].'</h2><span>'. $article['previewtext'] .'</span> <p style="text-align:right"><a href="content.php?r=' . $article['nodeid'] . '-' . $article['url'] . '">Leggi tutto</a></p>';
$article_neu['htmlcaptionname'] = 'htmlcaption' . $i ;
$article_neu['picture'] = '<a href="content.php?r=' . $article['nodeid'] . '-' . $article['url'] . '"><img src="'.$article['previewimage'].'" alt="" title="#htmlcaption'. $i . '" /></a>';

$featured_articles[] = $article_neu;
}
}
}

//Randomize Array
//shuffle($featured_articles);

//Debug Messages
if($debug_modus)
{
echo '#articles - featured and databasepull ';
var_dump(count($featured_articles));
var_dump(count($database_articles));
}

$output_bits = '
<link rel="stylesheet" href="' .$slider_img_filepath. 'nivo-slider.css" type="text/css" media="screen" />
<link rel="stylesheet" href="' .$slider_img_filepath. 'nivo-slider_uf_theme.css" type="text/css" media="screen" />
<div style="height:' . $maxheight . 'px;">
<div id="wrapper">
<div class="slider-wrapper theme-uf">
<div class="ribbon"></div>
<div id="slider1" class="nivoSlider">';

foreach($featured_articles AS $article)
{
$output_bits .= $article['picture'];
}
$output_bits .= '
</div>';

foreach($featured_articles AS $article)
{
$output_bits .= '<div id="' . $article['htmlcaptionname'] . '" class="nivo-html-caption">' . $article['description'] .'</div>';
}

$output_bits .= '
</div>

</div>
<script type="text/javascript" src="' .$slider_img_filepath. 'jquery-1.6.1.min.js"></script>
<script type="text/javascript" src="' .$slider_img_filepath. 'jquery.nivo.slider.pack.js"></script>
<script type="text/javascript">
$(window).load(function() {
$("#slider1").nivoSlider();
});
</script>
</div>
';
$output = $output_bits;

if($debug_modus === false)
{
ob_end_clean();
}

zairafusco · #**219** 09-06-2011, 07:35 PM

//////////////////////////////////////////////////////////////////////////////////////////////////////////SLIDER 2
// DEBUG MODUS !
$debug_modus = false;

if($debug_modus === false)
{
ob_start();
}

//nivo slider - uf - vb.org version
//set these values as you need them:

//your slider folder - has to be read and writeable
//folder where all slider files are saved
$slider_img_filepath = 'nivo2/';

//picture width and height !same as in the CSS FILE!
$maxwidth = 300;
$maxheight = 250;

//do you want images without previewimage to be shown? slider is using the fallback then
$show_articles_without_image = false;

//picture shown if your articles has no previewpicture
$fallback_img = $slider_img_filepath . 'uf_fallback_slider.png';

//hardcoded maximum is 20 - if you want more just ask
$number_of_articles_shown = 5;

//lengh in characters of the article descriptions
$description_length = 95;

//Debug Messages
if($debug_modus)
{
echo "<span style='color:red;'>DEBUG MODE is ON! </span><br />";
echo "slider_img_filepath: $slider_img_filepath <br />";
echo "width: $maxwidth height: $maxheight <br />";
echo "show_articles_without_image: ";
var_dump($show_articles_without_image);
echo " <br />";
echo "fallback_img: $fallback_img <br />";
echo "#img: $number_of_articles_shown <br />";
echo "description_length: $description_length <br />";
echo 'directory ' . DIR . '<br />';

}

$article_type = vb_Types::instance()->getContentTypeID("vBCms_Article");
$time = TIMENOW;

if(!extension_loaded('gd'))
{
echo '<span style="color:red">Error occurred:</span> Your System does not support the GD-Libary. Please install the GD-Libary.<br />';
}

$article_get = vB::$db->query_read('
SELECT
article.pagetext,
article.previewimage,
node.url,
node.publishdate,
node.parentnode,
parentnode.url AS parenturl,
thread.replycount,
info.title,
node.nodeid,
GROUP_CONCAT( category.category )
FROM
'.TABLE_PREFIX.'cms_article AS article INNER JOIN
'.TABLE_PREFIX.'cms_node AS node
ON (node.contentid = article.contentid AND node.contenttypeid = ' . vb::$db->sql_prepare($article_type) .') INNER JOIN
'.TABLE_PREFIX.'cms_nodeinfo AS info
ON info.nodeid = node.nodeid INNER JOIN
'.TABLE_PREFIX.'cms_node AS parentnode
ON parentnode.nodeid = node.parentnode LEFT JOIN
'.TABLE_PREFIX.'thread AS thread ON thread.threadid = info.associatedthreadid LEFT JOIN
'.TABLE_PREFIX.'cms_nodecategory AS nodecategory ON nodecategory.nodeid = node.nodeid LEFT JOIN
'.TABLE_PREFIX.'cms_category AS category ON nodecategory.categoryid = category.categoryid
WHERE
node.setpublish = 1 AND
node.publishdate > '. vb::$db->sql_prepare($time) .' -34560000 AND
node.publishdate < '. vb::$db->sql_prepare($time) .' AND
node.parentnode IN ( 129)

GROUP BY node.nodeid
ORDER BY node.publishdate
DESC LIMIT 20');

$database_articles = array();

/* my version of sorting the articles via relevance - i'll keep it in case someone is interested*/
while($article = vB::$db->fetch_array($article_get))
{
$article['value'] = ( 5 - ($time - $article['publishdate'] ) / 86400 ) * ( 5 - ($time - $article['publishdate'] ) / 86400 ) * ( 5 - ($time - $article['publishdate'] ) / 86400 ) + (10 * $article['replycount']);
$database_articles[] = $article;
}

foreach($database_articles as $c => $key)
{
$sort_value[] = $key['value'];
}

array_multisort($sort_value, SORT_DESC, $database_articles);

//
$i = 0;
$section_array = array();
$featured_articles = array();

foreach($database_articles AS $article)
{
$section_array[$article['parentnode']]++;

$categories = explode(',' , $article['GROUP_CONCAT( category.category )']);

if($show_articles_without_image == true OR $article['previewimage'])
{
if($section_array[$article['parentnode']] < 50 AND $i < $number_of_articles_shown)
{

//rebuild image to the height and width we want in the slider
//called sprite since i got the code from our sprite addon :P
$sprite = imagecreatetruecolor($maxwidth, $maxheight);
if(is_resource($sprite) AND $article['previewimage'] )
{
$imageinfo = getimagesize($article['previewimage']);
if(is_array($imageinfo))
{
$image = null;
switch($imageinfo[2])
{
case IMAGETYPE_PNG:
$image = imagecreatefrompng($article['previewimage']);
break;
case IMAGETYPE_GIF:
$image = imagecreatefromgif($article['previewimage']);
break;
case IMAGETYPE_JPEG:
$image = imagecreatefromjpeg($article['previewimage']);
break;
default:
echo '<span style="color:red">Error occurred:</span> Unknown image format. ' . $article['previewimage']. '<br />';
break;
}

if(!is_resource($image))
{
//resiziing did not work - we are using the fallback image.
$article['previewimage'] = $fallback_img;
echo '<span style="color:red">Error occurred:</span> imagecreation failed. ' . $article['previewimage']. '<br />';
}
else
{
$img_width = $imageinfo[0];
$img_height = $imageinfo[1];

imagecopyresampled($sprite, $image, 0, 0, 0, 0, $maxwidth, $maxheight, $img_width, $img_height );
imagedestroy($image);

$img_filepath = $slider_img_filepath . 'slide_' . $i . '.jpg';
$success = imagejpeg($sprite, DIR . ($img_filepath[0] != DIRECTORY_SEPARATOR ? DIRECTORY_SEPARATOR : '') . $img_filepath);
imagedestroy($sprite);
if($success)
{
$article['previewimage'] = $img_filepath;
}
else
{
$img_filepath = DIR . ($img_filepath[0] != DIRECTORY_SEPARATOR ? DIRECTORY_SEPARATOR : '') . $img_filepath;
echo '<span style="color:red">Error occurred:</span> imagejpeg failed. ' . $article['previewimage']. '<br />
directory: '. $img_filepath ;

$article['previewimage'] = $fallback_img;
}
}

}
else
{
//resiziing did not work - we are using the fallback image.
$article['previewimage'] = $fallback_img;
echo '<span style="color:red">Error occurred:</span> picture is not readable.' . $article['previewimage']. '<br /> ';
}
}
else
{
//resiziing did not work - we are using the fallback image.
$article['previewimage'] = $fallback_img;
echo '<span style="color:red">Warning:</span> article has no previewimage or sprite is no ressource. ' . $article['previewimage']. '<br />';
}

/*remove everything from the previewtext - html and bb. I do not want bold or colored text there. Cut to a decent length.*/
$article['pagetext'] = strip_bbcode($article['pagetext'], true, true, false, true, false);

$article['previewtext'] = strip_tags($article['pagetext'], '<a>');

$len = $description_length;
if ( strlen($article['previewtext']) > $len )
{
$article['previewtext'] = substr( $article['previewtext'] , 0 , strrpos( substr( $article['previewtext'], 0, $len), ' ' ));
}

$i++;
//Build Array
$article_neu = array();
$article_neu['description'] = '<h2 style="font-weight:bold; font-size: 14px">'. $article['title'].'</h2><span>'. $article['previewtext'] .'</span> <p style="text-align:right"><a href="content.php?r=' . $article['nodeid'] . '-' . $article['url'] . '">Leggi tutto</a></p>';
$article_neu['htmlcaptionname'] = 'htmlcaption' . $i ;
$article_neu['picture'] = '<a href="content.php?r=' . $article['nodeid'] . '-' . $article['url'] . '"><img src="'.$article['previewimage'].'" alt="" title="#htmlcaption'. $i . '" /></a>';

$featured_articles[] = $article_neu;
}
}
}

//Randomize Array
//shuffle($featured_articles);

//Debug Messages
if($debug_modus)
{
echo '#articles - featured and databasepull ';
var_dump(count($featured_articles));
var_dump(count($database_articles));
}

$output_bits = '
<link rel="stylesheet" href="' .$slider_img_filepath. 'nivo-slider.css" type="text/css" media="screen" />
<link rel="stylesheet" href="' .$slider_img_filepath. 'nivo-slider_uf_theme.css" type="text/css" media="screen" />
<div style="height:' . $maxheight . 'px;">
<div id="wrapper">
<div class="slider-wrapper theme-uf">
<div class="ribbon"></div>
<div id="slider2" class="nivoSlider">';

foreach($featured_articles AS $article)
{
$output_bits .= $article['picture'];
}
$output_bits .= '
</div>';

foreach($featured_articles AS $article)
{
$output_bits .= '<div id="' . $article['htmlcaptionname'] . '" class="nivo-html-caption">' . $article['description'] .'</div>';
}

$output_bits .= '
</div>

</div>
<script type="text/javascript" src="' .$slider_img_filepath. 'jquery-1.6.1.min.js"></script>
<script type="text/javascript" src="' .$slider_img_filepath. 'jquery.nivo.slider.pack.js"></script>
<script type="text/javascript">
$(window).load(function() {
$("#slider2").nivoSlider();
});
</script>
</div>
';
$output = $output_bits;

if($debug_modus === false)
{
ob_end_clean();
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////SLIDER 3

<link rel="stylesheet" href="nivo3/nivo-slider.css" type="text/css" media="screen" />
<link rel="stylesheet" href="nivo3/nivo-slider_uf_theme.css" type="text/css" media="screen" />
<div style="height:250px;">
<div id="wrapper">
<div class="slider-wrapper theme-uf">
<div class="ribbon"></div>
<div id="slider3" class="nivoSlider">
<a href="http://consortium.stormspire.net"><img src="bgheader/bgheader1.jpg" alt="" title="#htmlcaption1" /></a>
<a href="http://consortium.stormspire.net"><img src="bgheader/bgheader2" alt="" title="#htmlcaption2" /></a>
</div>
<div id="htmlcaption1" class="nivo-html-caption">
<b>First slide..</b> </ br> testing.. <a href="http://consortium.stormspire.net">read more</a>
<div id="htmlcaption2" class="nivo-html-caption">
<b>Second slide..</b> </ br> testing.. <a href="http://consortium.stormspire.net">read more</a>
</div>
</div>

</div>
<script type="text/javascript" src="' nivo3/'jquery-1.6.1.min.js"></script>
<script type="text/javascript" src="nivo3/jquery.nivo.slider.pack.js"></script>
<script type="text/javascript">
$(window).load(function() {
$("#slider3").nivoSlider();
});
</script>
</div>

Mooff · #**220** 09-07-2011, 11:14 AM

I think this is the problem:

Code:

<div id="htmlcaption1" class="nivo-html-caption">
<b>First slide..</b> </ br> testing.. <a href="http://consortium.stormspire.net">read more</a>

You probably have multiple divs with the id htmlcaption1.

Please try this:
replace

Code:

                $article_neu['htmlcaptionname'] = 'htmlcaption' . $i ;
                $article_neu['picture'] = '<a href="/content.php?r=' . $article['nodeid'] . '-' . $article['url'] . '"><img src="'.$article['previewimage'].'" alt="" title="#htmlcaption'. $i . '" /></a>';

with

Code:

           $article_neu['htmlcaptionname'] = 'htmlcaption' . $article['nodeid'] ;
           $article_neu['picture'] = '<a href="/content.php?r=' . $article['nodeid'] . '-' . $article['url'] . '"><img src="'.$article['previewimage'].'" alt="" title="#'. $article_neu['htmlcaptionname'] . '" /></a>';

in all automated sliders

zairafusco · #**221** 09-07-2011, 05:24 PM

@Moff
ok!!! you're great..
btw...what do you think about my customization? (i like it .it's still in progress)

thank you again

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