<?php
/*
Plugin Name: Datafeedr Random Ads V2
Plugin URI: http://www.datafeedr.com/random-ads-plugin-v2.php
Description: The Datafeedr Random Ads plugin is a free plugin which allows you to simply and easily show random ads anywhere in your template files or using widgets. Go to Tools > Datafeedr Random Ads to begin using this plugin.
Version: 2.0
Author: Datafeedr.com
Author URI: http://www.datafeedr.com/
*/
// Add link to options page in Settings menu
add_action('admin_menu', 'dfrads_menu');
function dfrads_menu() {
add_management_page('Datafeedr Random Ad Options', 'Datafeedr Random Ads', 8, 'datafeedr-ads', 'dfrads_options');
}
// Add "Settings" link on plugin page
add_action( 'plugin_action_links_'.basename( dirname( __FILE__ ) ).'/'.basename( __FILE__ ), 'plugin_settings', 10, 4 );
function plugin_settings ($links=array())
{
$settings_link = '<a href="tools.php?page=datafeedr-ads">'.__('Settings', 'dfrads').'</a>';
array_unshift($links, $settings_link);
return $links;
}
// Parse $_GET values
function dfrads_return_get ($field) {
if ( isset($_GET[$field]) && trim($_GET[$field]) != '' )
return trim($_GET[$field]);
return false;
}
// Parse $_POST values
function dfrads_return_post ($field) {
if ( isset($_POST[$field]) && trim($_POST[$field]) != '' )
return trim($_POST[$field]);
return false;
}
// Determine what to do
function dfrads_options() {
if (isset($_POST['submit-add-group'])) {
check_admin_referer('dfrads_add_group');
$ads = '';
foreach ($_POST as $k => $v)
if (preg_match("/\bad_/", $k) && trim($v) != '')
$ads .= trim($v).'[DFRADS]';
if ($ads != '')
$ads = substr($ads, 0, -8);
$dfrads = get_option ('dfrads');
$new_group_id = dfrads_new_group_id ($dfrads);
$dfrads[$new_group_id]['name'] = (trim($_POST['group_name']) != '') ? stripslashes(trim($_POST['group_name'])) : $new_group_id;
$dfrads[$new_group_id]['before_ad'] = stripslashes(trim($_POST['before_ad']));
$dfrads[$new_group_id]['after_ad'] = stripslashes(trim($_POST['after_ad']));
$dfrads[$new_group_id]['ads'] = stripslashes($ads);
update_option('dfrads', $dfrads);
}
if (isset($_POST['submit-edit-group'])) {
check_admin_referer('dfrads_edit_group');
$ads = '';
foreach ($_POST as $k => $v)
if (preg_match("/\bad_/", $k) && trim($v) != '')
$ads .= trim($v).'[DFRADS]';
if ($ads != '')
$ads = substr($ads, 0, -8);
$dfrads = get_option ('dfrads');
$group_id = $_POST['group_id'];
$dfrads[$group_id]['name'] = (trim($_POST['group_name']) != '') ? stripslashes(trim($_POST['group_name'])) : $group_id;
$dfrads[$group_id]['before_ad'] = stripslashes(trim($_POST['before_ad']));
$dfrads[$group_id]['after_ad'] = stripslashes(trim($_POST['after_ad']));
$dfrads[$group_id]['ads'] = stripslashes($ads);
update_option('dfrads', $dfrads);
}
if (dfrads_return_get('action') == 'edit' && dfrads_return_get('group_id')) {
dfrads_edit_group(dfrads_return_get('group_id'));
} elseif (dfrads_return_get('action') == 'add') {
dfrads_add_group();
} elseif (dfrads_return_get('action') == 'duplicate' && dfrads_return_get('group_id')) {
dfrads_duplicate_group(dfrads_return_get('group_id'));
} elseif (dfrads_return_get('action') == 'delete' && dfrads_return_get('group_id')) {
dfrads_delete_group(dfrads_return_get('group_id'));
} else {
dfrads_show_groups();
}
}
// Add CSS, JS and initial HTML
function dfrads_header($page='') { ?>
<style type="text/css">
.dfrads_ads
{
margin-bottom: 20px;
background-color: #fff;
padding: 10px;
border: 1px #CBCBCB solid;
}
.dfrads_ad_title { display: block; }
.dfrads_ad_preview { }
.dfrads_textarea
{
float: left;
margin-right: 10px;
width: 500px;
height: 220px;
}
.dfrads_longtext { width: 100%; }
.clear
{
clear: both;
display: block;
overflow: hidden;
visibility: hidden;
width: 0;
height: 0;
}
</style>
<script type="text/javascript">
// http://www.dustindiaz.com/add-and-remove-html-elements-dynamically-with-javascript/
function addEvent() {
var ni = document.getElementById('myDiv');
var numi = document.getElementById('theValue');
var num = (document.getElementById("theValue").value -1)+ 2;
numi.value = num;
var divIdName = "my"+num+"Div";
var newdiv = document.createElement('div');
newdiv.setAttribute("id",divIdName);
newdiv.innerHTML = "<div class=\"dfrads_ads\">Add new ad here (<a href=\"javascript:;\" onclick=\"removeElement(\'"+divIdName+"\')\">Remove this ad box</a>)<br /><textarea name='ad_" + num + "' class='dfrads_textarea'><\/textarea><div class='clear'> <\/div></div>";
ni.appendChild(newdiv);
}
function removeElement(divNum) {
var d = document.getElementById('myDiv');
var olddiv = document.getElementById(divNum);
d.removeChild(olddiv);
}
</script>
<div class="wrap" id="dfrads">
<h2>Datafeedr Random Ads V2</h2>
<ul class="subsubsub">
<li><a href="tools.php?page=datafeedr-ads"<?php if($page == '') : ?> class="current"<?php endif; ?>>All Ad Groups</a> | </li>
<li><a href="tools.php?page=datafeedr-ads&action=add"<?php if($page == 'add') : ?> class="current"<?php endif; ?>>Add New Group</a></li>
</ul>
<div class="clear"> </div>
<?php }
// Close <div>
function dfrads_footer() {
echo '</div>';
}
// Show All Groups
function dfrads_show_groups() {
dfrads_header();
?>
<table class="widefat" cellspacing="0">
<thead>
<tr>
<th scope="col">Ad ID</th>
<th scope="col">Ad Name</th>
<th scope="col">Template Code</th>
<th scope="col" style="text-align: center;">Actions</th>
</tr>
</thead>
<tfoot>
<tr>
<th scope="col">Ad ID</th>
<th scope="col">Ad Name</th>
<th scope="col">Template Code</th>
<th scope="col" style="text-align: center;">Actions</th>
</tr>
</tfoot>
<tbody>
<?php
$dfrads = get_option('dfrads');
$current_ads = '';
$i=0;
if (!empty($dfrads)) {
foreach ($dfrads as $k => $v) {
$i++;
if ($i % 2 == 0)
$class="alternate";
else
$class="";
$name = ($v['name'] == '') ? $k : $v['name'];
?>
<tr class="<?php echo $class; ?>" valign="top">
<td><?php echo $k; ?></td>
<td><a href="tools.php?page=datafeedr-ads&action=edit&group_id=<?php echo $k; ?>"><b><?php echo $name; ?></b></a></td>
<td style="white-space: nowrap;"><code><?php if (function_exists('dfrads')) { echo dfrads('<?php echo $k; ?>'); } ?></code></td>
<td align="center">
<a href="tools.php?page=datafeedr-ads&action=edit&group_id=<?php echo $k; ?>">edit</a> |
<a href="<?php echo wp_nonce_url("tools.php?page=datafeedr-ads&action=duplicate&group_id=".$k, 'dfrads_duplicate_group'); ?>"'><?php _e('duplicate', 'dfrads'); ?></a> |
<a href="<?php echo wp_nonce_url("tools.php?page=datafeedr-ads&action=delete&group_id=".$k, 'dfrads_delete_group'); ?>"' onclick="return confirm('<?php _e('You are about to delete this ad group.', 'datafeedr'); ?> \n\n <?php _e("Click \\'Cancel\\' to stop, \\'OK\\' to delete.", 'dfrads')?>')" class="delete" ><?php _e('delete', 'dfrads'); ?></a>
</td>
</tr>
<?php
}
} else {
echo '<tr><td colspan="4">There are no ad groups. <a href="tools.php?page=datafeedr-ads&action=add">Create a new group</a>.</td></tr>';
}
?>
</tbody>
</table>
<?php dfrads_footer();
}
// Get new, unique group ID
function dfrads_new_group_id ($dfrads) {
$new_group_id = mt_rand(1111111,9999999);
if (empty($dfrads))
$dfrads = array();
if (array_key_exists($new_group_id, $dfrads))
return dfrads_new_group_id ($dfrads);
else
return $new_group_id;
}
// Duplicate group
function dfrads_duplicate_group ($group_id=false) {
check_admin_referer('dfrads_duplicate_group');
if (!$group_id)
return dfrads_show_groups();
$dfrads = get_option ('dfrads');
$new_group_id = dfrads_new_group_id ($dfrads);
$dfrads[$new_group_id] = $dfrads[$group_id];
$dfrads[$new_group_id]['name'] = $dfrads[$new_group_id]['name'] . ' copy';
update_option('dfrads', $dfrads);
dfrads_show_groups();
}
// Delete group
function dfrads_delete_group ($group_id=false) {
check_admin_referer('dfrads_delete_group');
if (!$group_id)
return dfrads_show_groups();
$dfrads = get_option ('dfrads');
unset($dfrads[$group_id]);
update_option('dfrads', $dfrads);
dfrads_show_groups();
}
// Show edit form for group
function dfrads_edit_group ($group_id=false) {
if (!$group_id)
return dfrads_show_groups();
$dfrads = get_option('dfrads');
$group = $dfrads[$group_id];
$ads = explode("[DFRADS]", $group['ads']);
$i=0;
$ad_textareas = '';
foreach ($ads as $ad) {
$i++;
$ad_textareas .= "
<div class=\"dfrads_ads\" id=\"my{$i}Div\">
<span class=\"dfrads_ad_title\">Ad #{$i} (<a href=\"javascript:;\" onclick=\"removeElement('my{$i}Div')\">Remove this ad</a>)</span>
<textarea name='ad_{$i}' class=\"dfrads_textarea\">{$ad}</textarea></span><span class=\"dfrads_ad_preview\">{$ad}</span>
<div class=\"clear\"> </div>
</div>
";
}
dfrads_header('edit');
?>
<form action="tools.php?page=datafeedr-ads" method="post">
<?php wp_nonce_field('dfrads_edit_group'); ?>
<input name="group_id" type="hidden" value="<?php echo $group_id; ?>">
<input type="hidden" value="<?php echo ($i++); ?>" id="theValue" />
<h3>Optional Fields</h3>
<p>The following fields are optional. You can insert text and/or HTML code before or after the entire ad group and each individual ad.</p>
<table class="form-table">
<tr>
<th>Ad Group Name:</th>
<td><input name="group_name" type="text" value="<?php echo $group['name']; ?>" /> (No HTML. This field will not appear on your site.)</td>
</tr>
<tr>
<th>Before Ad:</th>
<td><input name="before_ad" type="text" value="<?php echo $group['before_ad']; ?>" class="dfrads_longtext" /></td>
</tr>
<tr>
<th>After Ad:</th>
<td><input name="after_ad" type="text" value="<?php echo $group['after_ad']; ?>" class="dfrads_longtext" /></td>
</tr>
</table>
<h3>Ad Boxes</h3>
<p>Enter one ad into each box. To add additional boxes, click the "Add Box" link at the bottom of this page.</p>
<div id="myDiv"> <?php echo $ad_textareas; ?> </div>
<div>
<a href="javascript:;" onclick="addEvent();" class="button-secondary">Add Box</a>
<input name="submit-edit-group" type="submit" value="Save Changes" class="button-secondary">
<div class="clear"> </div>
</div>
</form>
</div>
<?php dfrads_footer();
}
// Show "Add Group" form
function dfrads_add_group() {
dfrads_header('add');
?>
<h3>Optional Fields</h3>
<p>The following fields are optional. You can insert text and/or HTML code before or after the entire ad group and each individual ad.</p>
<form action="tools.php?page=datafeedr-ads" method="post">
<?php wp_nonce_field('dfrads_add_group'); ?>
<input type="hidden" value="1" id="theValue" />
<table class="form-table">
<tr>
<th>Ad Group Name</th>
<td><input name="group_name" type="text" value="" /> (No HTML. This field will not appear on your site.)</td>
</tr>
<tr>
<th>Before Ad:</th>
<td><input name="before_ad" type="text" value="" class="dfrads_longtext" /></td>
</tr>
<tr>
<th>After Ad:</th>
<td><input name="after_ad" type="text" value="" class="dfrads_longtext" /></td>
</tr>
</table>
<h3>Ad Boxes</h3>
<p>Enter one ad into each box. To add additional boxes, click the "Add Box" button at the bottom of this page.</p>
<div id="myDiv">
<div class="dfrads_ads" id="my1Div">
<span class="dfrads_ad_title">Ad #1 (<a href="javascript:;" onclick="removeElement('my1Div')">Remove this ad</a>)</span>
<textarea name='ad_1' class='dfrads_textarea'></textarea>
<div class="clear"> </div>
</div>
</div>
<div>
<a href="javascript:;" onclick="addEvent();" class="button-secondary">Add Box</a>
<input name="submit-add-group" type="submit" value="Save Ad Group" class="button-secondary">
<div class="clear"> </div>
</div>
</form>
<?php dfrads_footer();
}
// Show error message if user is Admin
function dfrads_display_admin_error($msg='') {
if (current_user_can('level_10'))
return '<div style="color:red;padding:10px;border:red 1px solid;background:#FFEFF1;"><b>Datafeedr Random Ads Message:</b><br />'. $msg.'</div>';
return '';
}
// Display the ads from a template function
function dfrads($group_id=false) {
if (!$group_id)
return dfrads_display_admin_error ('A <i>group ID</i> is required.');
$dfrads = get_option ('dfrads');
if (!is_array($dfrads[$group_id]))
return dfrads_display_admin_error ('The ad group "<i>'.$group_id.'</i>" does not exist.');
$ads = explode('[DFRADS]', $dfrads[$group_id]['ads']);
$num_ads = count($ads);
$ad_id = mt_rand(1, $num_ads);
$ad = $ads[($ad_id-1)];
return $dfrads[$group_id]['before_ad'] . $ad . $dfrads[$group_id]['after_ad'];
}
/**
* Add function to widgets_init that'll load our widget.
* @since 0.1
*/
add_action( 'widgets_init', 'example_load_widgets' );
/**
* Register our widget.
* 'DfrAds_Widget' is the widget class used below.
*
* @since 0.1
*/
function example_load_widgets() {
register_widget( 'DfrAds_Widget' );
}
/**
* Example Widget class.
* This class handles everything that needs to be handled with the widget:
* the settings, form, display, and update. Nice!
*
* @since 0.1
*/
class DfrAds_Widget extends WP_Widget {
/**
* Widget setup.
*/
function DfrAds_Widget() {
/* Widget settings. */
$widget_ops = array( 'classname' => 'dfrads', 'description' => __('Display your rotating ads in the sidebar.', 'dfrads') );
/* Widget control settings. */
$control_ops = array( 'id_base' => 'dfrads-widget' );
/* Create the widget. */
$this->WP_Widget( 'dfrads-widget', __('Datafeedr Random Ads', 'dfrads'), $widget_ops, $control_ops );
}
/**
* How to display the widget on the screen.
*/
function widget( $args, $instance ) {
extract( $args );
/* Our variables from the widget settings. */
$title = apply_filters('widget_title', $instance['title'] );
$group_id = $instance['group_id'];
/* Before widget (defined by themes). */
echo $before_widget;
/* Display the widget title if one was input (before and after defined by themes). */
if ( $title )
echo $before_title . $title . $after_title;
/* Display name from widget settings if one was input. */
echo dfrads($group_id);
/* After widget (defined by themes). */
echo $after_widget;
}
/**
* Update the widget settings.
*/
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
/* Strip tags for title and name to remove HTML (important for text inputs). */
$instance['title'] = strip_tags( $new_instance['title'] );
/* No need to strip tags for sex and show_sex. */
$instance['group_id'] = $new_instance['group_id'];
return $instance;
}
/**
* Displays the widget settings controls on the widget panel.
* Make use of the get_field_id() and get_field_name() function
* when creating your form elements. This handles the confusing stuff.
*/
function form( $instance ) {
/* Set up some default widget settings. */
$defaults = array( 'title' => __('Our Sponsors', 'dfrads'), );
$instance = wp_parse_args( (array) $instance, $defaults );
$dfrads = get_option ('dfrads');
?>
<!-- Widget Title: Text Input -->
<p>
<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e('Title:', 'dfrads'); ?></label>
<input id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" value="<?php echo $instance['title']; ?>" class="widefat" type="text" />
</p>
<!-- group_id: Select Box -->
<p>
<label for="<?php echo $this->get_field_id( 'group_id' ); ?>"><?php _e('Select Ad Group:', 'example'); ?></label>
<select id="<?php echo $this->get_field_id( 'group_id' ); ?>" name="<?php echo $this->get_field_name( 'group_id' ); ?>" class="widefat">
<?php
if (count($dfrads)>0) {
foreach ($dfrads as $k => $v) {
$name = ($v['name'] == '') ? $k : $v['name'];
?>
<option <?php if ( $k == $instance['group_id'] ) echo 'selected="selected"'; ?> value="<?php echo $k; ?>"><?php echo $name; ?></option>
<?php
}
} else { ?>
<option>You have not created any ad groups.</option>
<?php
}
?>
</select>
</p>
<?php
}
}
?>