bludit/bl-plugins/disqus/plugin.php

122 lines
3.2 KiB
PHP

<?php
class pluginDisqus extends Plugin {
private $enable;
public function init()
{
$this->dbFields = array(
'shortname'=>'',
'enablePages'=>0,
'enablePosts'=>0,
'enableDefaultHomePage'=>1
);
}
function __construct()
{
parent::__construct();
global $Url;
$this->enable = false;
if( $this->getDbField('enablePosts') && ($Url->whereAmI()=='post') ) {
$this->enable = true;
}
elseif( $this->getDbField('enablePages') && ($Url->whereAmI()=='page') ) {
$this->enable = true;
}
elseif( $this->getDbField('enableDefaultHomePage') && ($Url->whereAmI()=='home') )
{
$this->enable = true;
}
}
public function form()
{
global $Language;
$html = '<div>';
$html .= '<label>'.$Language->get('Disqus shortname').'</label>';
$html .= '<input name="shortname" id="jsshortname" type="text" value="'.$this->getDbField('shortname').'">';
$html .= '</div>';
$html .= '<div>';
$html .= '<input type="hidden" name="enablePages" value="0">';
$html .= '<input name="enablePages" id="jsenablePages" type="checkbox" value="1" '.($this->getDbField('enablePages')?'checked':'').'>';
$html .= '<label class="forCheckbox" for="jsenablePages">'.$Language->get('Enable Disqus on pages').'</label>';
$html .= '</div>';
$html .= '<div>';
$html .= '<input type="hidden" name="enablePosts" value="0">';
$html .= '<input name="enablePosts" id="jsenablePosts" type="checkbox" value="1" '.($this->getDbField('enablePosts')?'checked':'').'>';
$html .= '<label class="forCheckbox" for="jsenablePosts">'.$Language->get('Enable Disqus on posts').'</label>';
$html .= '</div>';
$html .= '<div>';
$html .= '<input type="hidden" name="enableDefaultHomePage" value="0">';
$html .= '<input name="enableDefaultHomePage" id="jsenableDefaultHomePage" type="checkbox" value="1" '.($this->getDbField('enableDefaultHomePage')?'checked':'').'>';
$html .= '<label class="forCheckbox" for="jsenableDefaultHomePage">'.$Language->get('Enable Disqus on default home page').'</label>';
$html .= '</div>';
return $html;
}
public function postEnd()
{
if( $this->enable ) {
return '<div id="disqus_thread"></div>';
}
return false;
}
public function pageEnd()
{
global $Url;
// Bludit check not-found page after the plugin method construct.
// It's necesary check here the page not-found.
if( $this->enable && !$Url->notFound()) {
return '<div id="disqus_thread"></div>';
}
return false;
}
public function siteHead()
{
if( $this->enable ) {
return '<style>#disqus_thread { margin: 20px 0 }</style>';
}
return false;
}
public function siteBodyEnd()
{
if( $this->enable ) {
$html = '
<script type="text/javascript">
var disqus_shortname = "'.$this->getDbField('shortname').'";
(function() {
var dsq = document.createElement("script"); dsq.type = "text/javascript"; dsq.async = true;
dsq.src = "//" + disqus_shortname + ".disqus.com/embed.js";
(document.getElementsByTagName("head")[0] || document.getElementsByTagName("body")[0]).appendChild(dsq);
})();
</script>
<noscript>Please enable JavaScript to view the <a href="https://disqus.com/?ref_noscript" rel="nofollow">comments powered by Disqus.</a></noscript>';
return $html;
}
return false;
}
}