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dinhnguyen/gist:903300

Created April 5, 2011 09:13
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<?php
/*
Plugin Name: Facebook Like
Plugin URI: http://en.saturngod.net/blogpost/facebooklike
Description: Like button in below post
Version: 0.8.2
Author: Saturngod
Author URI: http://en.saturngod.net
*/
function add_post_footer($text)
{
global $posts;
$layout=get_option('fblike_layout');
$showface="false";
if(get_option('fblike_showfaces')==1)
{
$showface="true";
}
$action=get_option('fblike_action');
$font=get_option('fblike_font');
$colorscheme=get_option('fblike_colorscheme');
if(get_option('fb_width')!="")
{
$width=get_option('fb_width');
}
else
{
$width=130;
}
if(get_option('fb_height')!="")
{
$height=get_option('fb_height');
}
else
{
$height=130;
}
$appid=get_option('fb_appid');
if($appid!= "")
{
$iframe='<div style="height:'.$height.'px"><fb:like href="'.urlencode(get_permalink($post->ID)).'" layout="standard" show_faces="'.$showface.'" width="'.$width.'" action="'.$action.'" colorscheme="'.$colorscheme.'" /></div>';
}
else
{
$iframe='<iframe src="http://www.facebook.com/plugins/like.php?href='.urlencode(get_permalink($post->ID)).'&amp;layout='.$layout.'&amp;show-faces='.$showface.'&amp;width='.$width.'&amp;action='.$action.'&amp;colorscheme='.$colorscheme.'" scrolling="no" frameborder="0" allowTransparency="true" style="border:none; overflow:hidden; width:'.$width.'px; height:'.$height.'px"></iframe>';
if(get_option('fb_placein')=='top')
{
$iframe=$iframe."<br/>";
}
else
{
$iframe="<br/>".$iframe;
}
}
if(is_single() && get_option('fblike_display_single') == '1')
{
if(get_option('fb_placein')=='top')
{
$text=$iframe.$text;
}
else
{
$text=$text.$iframe;
}
}
if(is_page() && get_option('fblike_display_page') == '1')
{
if(get_option('fb_placein')=='top')
{
$text=$iframe.$text;
}
else
{
$text=$text.$iframe;
}
}
if(is_home() && get_option('fblike_display_front') == '1')
{
if(get_option('fb_placein')=='top')
{
$text=$iframe.$text;
}
else
{
$text=$text.$iframe;
}
}
return $text;
}
function fblike_options()
{
add_options_page('Facebook Like', 'Facebook Like', 'administrator', basename(__FILE__), 'fblike_options_page');
}
function fblike_options_page()
{
if(isset($_POST))
{
if(isset($_POST['Submit']))
{
update_option('fblike_display_page',$_POST['fblike_display_page']);
update_option('fblike_display_front',$_POST['fblike_display_front']);
update_option('fblike_display_single',$_POST['fblike_display_single']);
update_option('fb_appid',$_POST['fb_appid']);
update_option('fb_app_id',$_POST['fb_app_id']);
update_option('fb_width',$_POST['fb_width']);
update_option('fb_height',$_POST['fb_height']);
update_option('fb_placein',$_POST['placein']);
update_option('fblike_layout',$_POST['layout']);
update_option('fblike_showfaces',$_POST['fblike_showfaces']);
update_option('fblike_action',$_POST['action']);
update_option('fblike_font',$_POST['font']);
update_option('fblike_colorscheme',$_POST['colorscheme']);
}
}
?>
<div class="wrap" style="font-size:13px;">
<div class="icon32" id="icon-options-general"><br/></div><h2>Settings for Facebook Like</h2>
<form method="post" action="options-general.php?page=facebooklike.php">
<table class="form-table">
<tr>
<td>
<strong>Display</strong>
</td>
<td>
<p>
<input type="checkbox" value="1" <?php if (get_option('fblike_display_page') == '1') echo 'checked="checked"'; ?> name="fblike_display_page" id="fblike_display_page" group="fblike_display"/>
<label for="fblike_display_page">Display the button on pages</label>
</p>
<p>
<input type="checkbox" value="1" <?php if (get_option('fblike_display_front') == '1') echo 'checked="checked"'; ?> name="fblike_display_front" id="fblike_display_front" group="fblike_display"/>
<label for="fblike_display_front">Display the button on the front page (home)</label>
</p>
<p>
<input type="checkbox" value="1" <?php if (get_option('fblike_display_single') == '1') echo 'checked="checked"'; ?> name="fblike_display_single" id="fblike_display_single" group="fblike_display"/>
<label for="fblike_display_front">Display the button on the Single post page </label>
</p>
</td>
</tr>
<tr>
<td>
<strong>Place in content</strong>
</td>
<td>
<p>
<select name="placein">
<option value="bottom">Bottom</option>
<option value="top" <?php if(get_option('fb_placein')=='top') echo "selected" ?>>Top</option>
</select>
</p>
</td>
</tr>
<tr>
<td>
<strong>Facebook Application ID</strong> (<a href="http://www.facebook.com/developers/apps.php" target="_blank">Info</a>)
</td>
<td>
<p>
<input type="text" value="<?php echo get_option('fb_appid'); ?>" name="fb_appid" id="fb_appid" group="fblike_appid"/>
<label for="fblike_appid">(If you want to use XFBML , add app id) </label>
</p>
</td>
</tr>
<tr>
<td>
<strong>Facebook Application ID For meta</strong> (<a href="http://www.facebook.com/developers/apps.php" target="_blank">Info</a>)
</td>
<td>
<p>
<input type="text" value="<?php echo get_option('fb_app_id'); ?>" name="fb_app_id" id="fb_app_id" group="fblike_app_id"/>
<label for="fblike_app_id">(For Meta Data) </label>
</p>
</td>
</tr>
<tr>
<td>
<strong>Size</strong>
</td>
<td>
<p>
<?php
if(get_option('fb_width')!="")
{
$width=get_option('fb_width');
}
else
{
$width=450;
}
?>
<input type="text" value="<?php echo $width ?>" name="fb_width" id="fb_width" group="fblike_size"/>
<label for="fb_width">Width (px)</label>
</p>
<p>
<?php
if(get_option('fb_height')!="")
{
$height=get_option('fb_height');
}
else
{
$height=130;
}
?>
<input type="text" value="<?php echo $height ?>" name="fb_height" id="fb_height" group="fblike_size"/>
<label for="fb_height">Height (px)</label>
</p>
</td>
</tr>
<tr>
<td><strong>Design</strong></td>
<td>
<p>
Layout<br/>
<select id="layout" name="layout">
<option value="standard" <?php if (get_option('fblike_layout') == 'standard') echo "selected" ?> >standard</option>
<option value="button_count" <?php if (get_option('fblike_layout') == 'button_count') echo "selected" ?> >button count</option>
<option value="box_count" <?php if (get_option('fblike_layout') == 'box_count') echo "selected" ?> >box count</option>
</select>
</p>
<p>
<input type="checkbox" value="1" <?php if (get_option('fblike_showfaces') == '1') echo 'checked="checked"'; ?> name="fblike_showfaces" id="fblike_showfaces" group="fblike_design"/>
<label for="fblike_showfaces">Show Faces</label>
</p>
<p>
Verb to display<br/>
<select id="param_action" name="action">
<option selected="1" <?php if (get_option('fblike_action') == '1') echo "selected" ?> value="like">like</option>
<option value="recommend" <?php if (get_option('fblike_action') == 'recommend') echo "selected" ?>>recommend</option>
</select>
</p>
<p>
Font<br/>
<select id="param_font" name="font">
<option selected="1" <?php if (get_option('fblike_font') == '1') echo "selected" ?>></option>
<option value="arial" <?php if (get_option('fblike_font') == 'arial') echo "selected" ?>>arial</option>
<option value="lucida grande" <?php if (get_option('fblike_font') == 'lucida grande') echo "selected" ?>>lucida grande</option>
<option value="segoe ui" <?php if (get_option('fblike_font') == 'segoe ui') echo "selected" ?>>segoe ui</option>
<option value="tahoma" <?php if (get_option('fblike_font') == 'tahoma') echo "selected" ?>>tahoma</option>
<option value="trebuchet ms" <?php if (get_option('fblike_font') == 'trebuchet ms') echo "selected" ?>>trebuchet ms</option>
<option value="verdana" <?php if (get_option('fblike_font') == 'verdana') echo "selected" ?>>verdana</option>
</select>
</p>
<p>
Color<br/>
<select id="param_colorscheme" name="colorscheme">
<option value="light" <?php if (get_option('fblike_colorscheme') == 'light' OR get_option('fblike_font') =='' ) echo "selected" ?>>light</option>
<option value="dark" <?php if (get_option('fblike_colorscheme') == 'dark') echo "selected" ?>>dark</option>
</select>
</td>
</tr>
<tr>
<td><strong>Preview</strong></td>
<td>
<?php
$layout=get_option('fblike_layout');
$showface="false";
if(get_option('fblike_showfaces')==1)
{
$showface="true";
}
$action=get_option('fblike_action');
$font=get_option('fblike_font');
$colorscheme=get_option('fblike_colorscheme');
if(get_option('fb_width')!="")
{
$width=get_option('fb_width');
}
else
{
$width=130;
}
if(get_option('fb_height')!="")
{
$height=get_option('fb_height');
}
else
{
$height=130;
}
$appid=get_option('fb_appid');
if($appid!= "")
{
$iframe='<div style="height:'.$height.'px"><fb:like href="'.urlencode(get_bloginfo('url')).'" layout="standard" show_faces="'.$showface.'" width="'.$width.'" action="'.$action.'" colorscheme="'.$colorscheme.'" /></div>';
}
else
{
$iframe='<br/><iframe src="http://www.facebook.com/plugins/like.php?href='.urlencode(get_bloginfo('url')).'&amp;layout='.$layout.'&amp;show-faces='.$showface.'&amp;width='.$width.'&amp;action='.$action.'&amp;colorscheme='.$colorscheme.'" scrolling="no" frameborder="0" allowTransparency="true" style="border:none; overflow:hidden; width:'.$width.'px; height:'.$height.'px"></iframe>';
}
echo $iframe;
?>
</td>
</tr>
</table>
<p class="submit">
<input type="submit" name="Submit" value="<?php _e('Save Changes') ?>" />
</p>
</form>
</div>
<?
}
add_filter('the_content', 'add_post_footer');
if(is_admin()){
add_action('admin_menu', 'fblike_options');
}
else
{
if(get_option('fb_appid')!="")
{
add_action('wp_footer', 'facebook_footer');
}
add_action('wp_head','meta_add');
}
function meta_add(){
global $post;
setup_postdata($post);
$des=$post->post_excerpt;
if($post->post_excerpt=="")
{
$des=substr($post->post_content,0,100);
}
$des=htmlentities($des,ENT_COMPAT,"UTF-8");
?>
<script>
jQuery(document).ready(function(){
jQuery("html").attr("xmlns:og","http://opengraphprotocol.org/schema/")
});
</script>
<?php
if(is_single())
{
?>
<meta property="og:type" content="article" />
<meta property="og:title" content="<?php echo $post->post_title ?>" />
<meta property="og:site_name" content="<?php bloginfo('name') ?>" />
<meta property='og:url' content="<?php echo get_permalink($post->ID) ?>" />
<meta name="og:author" content="<?php echo get_the_author(); ?>" />
<?php if(get_option('fb_app_id')!=""): ?>
<meta name="fb:app_id" content="<?php echo get_option('fb_app_id') ?>" />
<?php endif; ?>
<?php
}
else
{
?>
<meta property="og:type" content="blog" />
<meta property="og:site_name" content="<?php bloginfo('name') ?>" />
<meta property='og:url' content="<?php bloginfo('url') ?>" />
<?php if(get_option('fb_app_id')!=""): ?>
<meta name="fb:app_id" content="<?php echo get_option('fb_app_id') ?>" />
<?php endif; ?>
<?php
}
?>
<?
}
function facebook_footer() {
if(get_option('fb_appid')!=""):
?>
<div id="fb-root"></div>
<script>
window.fbAsyncInit = function() {
FB.init({appId: '<?= get_option('fb_appid') ?>', status: true, cookie: true,
xfbml: true});
};
(function() {
var e = document.createElement('script'); e.async = true;
e.src = document.location.protocol +
'//connect.facebook.net/en_US/all.js';
document.getElementById('fb-root').appendChild(e);
}());
</script>
<?
endif;
}
?>
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