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File to change: nextgen-gallery-voting\ngg-voting.php
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23 changes (if i did this correctly)

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Line 387
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Change this:
function nggv_getVotingResults($gid, $type=array("avg"=>true, "list"=>true, "number"=>true, "likes"=>true, "dislikes"=>true)) {

To this:
function nggv_getVotingResults($gid, $type=array("avg"=>true, "list"=>true, "number"=>true, "likes"=>true)) {


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Line 403
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Change this:

if($type["dislikes"]) {
					$dislikes = $wpdb->get_row("SELECT COUNT(vote) AS num FROM ".$wpdb->prefix."nggv_votes WHERE gid = '".$wpdb->escape($gid)."' AND vote = 0 GROUP BY gid");
				}


To this:
/*if($type["dislikes"]) {
					$dislikes = $wpdb->get_row("SELECT COUNT(vote) AS num FROM ".$wpdb->prefix."nggv_votes WHERE gid = '".$wpdb->escape($gid)."' AND vote = 0 GROUP BY gid");
				}*/


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Line 407
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Change this:

return array("avg"=>$avg->avg, "list"=>$list, "number"=>$num->num, "likes"=>($likes->num ? $likes->num : 0), "dislikes"=>($dislikes->num ? $dislikes->num : 0));



To this:

//return array("avg"=>$avg->avg, "list"=>$list, "number"=>$num->num, "likes"=>($likes->num ? $likes->num : 0), "dislikes"=>($dislikes->num ? $dislikes->num : 0));
return array("avg"=>$avg->avg, "list"=>$list, "number"=>$num->num, "likes"=>($likes->num ? $likes->num : 0));




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Line 423
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Change this:

function nggv_getImageVotingResults($pid, $type=array("avg"=>true, "list"=>true, "number"=>true, "likes"=>true, "dislikes"=>true)) {


To this:

//function nggv_getImageVotingResults($pid, $type=array("avg"=>true, "list"=>true, "number"=>true, "likes"=>true, "dislikes"=>true)) {
function nggv_getImageVotingResults($pid, $type=array("avg"=>true, "list"=>true, "number"=>true, "likes"=>true)) {


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Line 439
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Change this:

if($type["dislikes"]) {
					$dislikes = $wpdb->get_row("SELECT COUNT(vote) AS num FROM ".$wpdb->prefix."nggv_votes WHERE pid = '".$wpdb->escape($pid)."' AND vote = 0 GROUP BY pid");
				}

To this:

/*if($type["dislikes"]) {
					$dislikes = $wpdb->get_row("SELECT COUNT(vote) AS num FROM ".$wpdb->prefix."nggv_votes WHERE pid = '".$wpdb->escape($pid)."' AND vote = 0 GROUP BY pid");
				}*/


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Line 443
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Change this:

return array("avg"=>$avg->avg, "list"=>$list, "number"=>$num->num, "likes"=>($likes->num ? $likes->num : 0), "dislikes"=>($dislikes->num ? $dislikes->num : 0));

To this:

//return array("avg"=>$avg->avg, "list"=>$list, "number"=>$num->num, "likes"=>($likes->num ? $likes->num : 0), "dislikes"=>($dislikes->num ? $dislikes->num : 0));
return array("avg"=>$avg->avg, "list"=>$list, "number"=>$num->num, "likes"=>($likes->num ? $likes->num : 0));

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Line 625
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Change this:

<option value="3" <?php echo (get_option('nggv_gallery_voting_type') == 3 ? 'selected="selected"' : ''); ?>>Like / Dislike</option>

To this:

<option value="3" <?php echo (get_option('nggv_gallery_voting_type') == 3 ? 'selected="selected"' : ''); ?>>Like</option>



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Line 632
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Change this:

<option value="3" <?php echo (get_option('nggv_image_voting_type') == 3 ? 'selected="selected"' : ''); ?>>Like / Dislike</option>

To this:
<option value="3" <?php echo (get_option('nggv_gallery_voting_type') == 3 ? 'selected="selected"' : ''); ?>>Like</option>

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Line 761
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Change this:
$results = nggv_getVotingResults($_GET["gid"], array("avg"=>true, "num"=>true, "likes"=>true, "dislikes"=>true));

To this:

//$results = nggv_getVotingResults($_GET["gid"], array("avg"=>true, "num"=>true, "likes"=>true, "dislikes"=>true));
$results = nggv_getVotingResults($_GET["gid"], array("avg"=>true, "num"=>true, "likes"=>true));

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Line 763
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Change this:

echo "<script>
var nggv_gid = parseInt(".$_GET["gid"].");
var nggv_enable = parseInt(".$options->enable.");
var nggv_login = parseInt(".$options->force_login.");
var nggv_once = parseInt(".$options->force_once.");
var user_results = parseInt(".$options->user_results.");
var voting_type = parseInt(".$options->voting_type.");
var nggv_avg = Math.round(".($results["avg"] ? $results["avg"] : 0).") / 10;
var nggv_num_votes = parseInt(".($results["number"] ? $results["number"] : 0).");
var nggv_num_likes = parseInt(".($results["likes"] ? $results["likes"] : 0).");
var nggv_num_dislikes = parseInt(".($results["dislikes"] ? $results["dislikes"] : 0).");

var nggv_more_url = '".$popup."';
</script>";

To this:
/*echo "<script>
var nggv_gid = parseInt(".$_GET["gid"].");
var nggv_enable = parseInt(".$options->enable.");
var nggv_login = parseInt(".$options->force_login.");
var nggv_once = parseInt(".$options->force_once.");
var user_results = parseInt(".$options->user_results.");
var voting_type = parseInt(".$options->voting_type.");
var nggv_avg = Math.round(".($results["avg"] ? $results["avg"] : 0).") / 10;
var nggv_num_votes = parseInt(".($results["number"] ? $results["number"] : 0).");
var nggv_num_likes = parseInt(".($results["likes"] ? $results["likes"] : 0).");
var nggv_num_dislikes = parseInt(".($results["dislikes"] ? $results["dislikes"] : 0).");
var nggv_more_url = '".$popup."';</script>";
*/


echo "<script>
var nggv_gid = parseInt(".$_GET["gid"].");
var nggv_enable = parseInt(".$options->enable.");
var nggv_login = parseInt(".$options->force_login.");
var nggv_once = parseInt(".$options->force_once.");
var user_results = parseInt(".$options->user_results.");
var voting_type = parseInt(".$options->voting_type.");
var nggv_avg = Math.round(".($results["avg"] ? $results["avg"] : 0).") / 10;
var nggv_num_votes = parseInt(".($results["number"] ? $results["number"] : 0).");
var nggv_num_likes = parseInt(".($results["likes"] ? $results["likes"] : 0).");
var nggv_more_url = '".$popup."';
</script>";


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Line 813
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Change this:
$results = nggv_getImageVotingResults($pid, array("likes"=>true, "dislikes"=>true));

To This:
//$results = nggv_getImageVotingResults($pid, array("likes"=>true, "dislikes"=>true));
$results = nggv_getImageVotingResults($pid, array("likes"=>true));


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Line 818
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Change this:
echo $results['dislikes'].' ';
echo $results['dislikes'] == 1 ? 'Dislike' : 'Dislikes';

To this:

//echo $results['dislikes'].' ';
//echo $results['dislikes'] == 1 ? 'Dislike' : 'Dislikes';


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Line 857
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Change this:

<option value="3" <?php echo (get_option('nggv_gallery_voting_type') == 3 ? 'selected="selected"' : ''); ?>>Like / Dislike</option>

To this:
<option value="3" <?php echo (get_option('nggv_gallery_voting_type') == 3 ? 'selected="selected"' : ''); ?>>Like</option>

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Line 1128
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Change this:

$out .= '<a href="'.$url.'gid='.$gid.'&r=0" class="nggv-link-dislike"><img src="'.WP_PLUGIN_URL."/".$dirName."/images/thumbs_down.png".'" alt="Dislike" /></a>';

To this:
//$out .= '<a href="'.$url.'gid='.$gid.'&r=0" class="nggv-link-dislike"><img src="'.WP_PLUGIN_URL."/".$dirName."/images/thumbs_down.png".'" alt="Dislike" /></a>';


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Line 1131
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Change this:
$results = nggv_getVotingResults($gid, array("likes"=>true, "dislikes"=>true));

To this:
//$results = nggv_getVotingResults($gid, array("likes"=>true, "dislikes"=>true));
$results = nggv_getVotingResults($gid, array("likes"=>true));

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Line 1135
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Change this:
$out .= $results['dislikes'].' ';
$out .= $results['dislikes'] == 1 ? 'Dislike' : 'Dislikes';

To this:
//$out .= $results['dislikes'].' ';
//$out .= $results['dislikes'] == 1 ? 'Dislike' : 'Dislikes';


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Line 1195
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Change this:

$results = nggv_getVotingResults($gid, array("likes"=>true, "dislikes"=>true));

To this:
//$results = nggv_getVotingResults($gid, array("likes"=>true, "dislikes"=>true));
$results = nggv_getVotingResults($gid, array("likes"=>true));
----------
Line 1203
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Change this:

$bufferInner .= $results['dislikes'].' ';
$bufferInner .= $results['dislikes'] == 1 ? 'Dislike' : 'Dislikes';

To this:
//$bufferInner .= $results['dislikes'].' ';
//$bufferInner .= $results['dislikes'] == 1 ? 'Dislike' : 'Dislikes';

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Line 1355
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Change this:

$out .= '<a href="'.$url.'ngg-pid='.$pid.'&r=0" class="nggv-link-dislike"><img src="'.WP_PLUGIN_URL."/".$dirName."/images/thumbs_down.png".'" alt="Dislike" /></a>';

To this:
//$out .= '<a href="'.$url.'ngg-pid='.$pid.'&r=0" class="nggv-link-dislike"><img src="'.WP_PLUGIN_URL."/".$dirName."/images/thumbs_down.png".'" alt="Dislike" /></a>';

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Line 1358
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Change this:

$results = nggv_getImageVotingResults($pid, array("likes"=>true, "dislikes"=>true));

To this:

//$results = nggv_getImageVotingResults($pid, array("likes"=>true, "dislikes"=>true));
$results = nggv_getImageVotingResults($pid, array("likes"=>true));

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Line 1362
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Change this:

$out .= $results['dislikes'].' ';
$out .= $results['dislikes'] == 1 ? 'Dislike' : 'Dislikes';

To this:

//$out .= $results['dislikes'].' ';
//$out .= $results['dislikes'] == 1 ? 'Dislike' : 'Dislikes';


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Line 1427
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Change this:
$results = nggv_getImageVotingResults($pid, array("likes"=>true, "dislikes"=>true));

To this:
//$results = nggv_getImageVotingResults($pid, array("likes"=>true, "dislikes"=>true));
$results = nggv_getImageVotingResults($pid, array("likes"=>true));


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Line 1435
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Change this:
$bufferInner .= $results['dislikes'].' ';
$bufferInner .= $results['dislikes'] == 1 ? 'Dislike' : 'Dislikes';

To this:
//$bufferInner .= $results['dislikes'].' ';
//$bufferInner .= $results['dislikes'] == 1 ? 'Dislike' : 'Dislikes';



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File to change: nextgen-gallery-voting\js\gallery_options.js
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There are 2 more areas (other than the change below) where dislikes appears in the javascript file, but i didnt change it, and mine works perfectly.


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Line 36
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Change this:
str += nggv_num_dislikes+' ';
str += nggv_num_dislikes == 1 ? 'Dislike' : 'Dislikes';

To this:
//str += nggv_num_dislikes+' ';
//str += nggv_num_dislikes == 1 ? 'Dislike' : 'Dislikes';