<?php
// $Id$
//
// Links
// Copyright (C) 2002 Mike Little -- mike@zed1.com
//
// This is an add-on to b2 weblog / news publishing tool
// b2 is copyright (c)2001, 2002 by Michel Valdrighi - m@tidakada.com
//
// **********************************************************************
// Copyright (C) 2002 Mike Little
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// Mike Little (mike@zed1.com)
// *****************************************************************
require_once('../wp-config.php');
require_once('../wp-links/links.config.php');
require_once("../wp-links/links.php");

$title = 'Manage Links';

function add_magic_quotes($array) {
	foreach ($array as $k => $v) {
		if (is_array($v)) {
			$array[$k] = add_magic_quotes($v);
		} else {
			$array[$k] = addslashes($v);
		}
	}
	return $array;
} 

if (!get_magic_quotes_gpc()) {
	$HTTP_GET_VARS    = add_magic_quotes($HTTP_GET_VARS);
	$HTTP_POST_VARS   = add_magic_quotes($HTTP_POST_VARS);
	$HTTP_COOKIE_VARS = add_magic_quotes($HTTP_COOKIE_VARS);
}

$b2varstoreset = array('action','standalone','cat_id', 'linkurl', 'name', 'image',
                       'description', 'visible', 'target', 'category', 'link_id',
                       'submit', 'order_by', 'links_show_cat_id', 'rating', 'rel');
for ($i=0; $i<count($b2varstoreset); $i += 1) {
    $b2var = $b2varstoreset[$i];
    if (!isset($$b2var)) {
        if (empty($HTTP_POST_VARS["$b2var"])) {
            if (empty($HTTP_GET_VARS["$b2var"])) {
                $$b2var = '';
            } else {
                $$b2var = $HTTP_GET_VARS["$b2var"];
            }
        } else {
            $$b2var = $HTTP_POST_VARS["$b2var"];
        }
    }
}

$links_show_cat_id = $HTTP_COOKIE_VARS["links_show_cat_id"];
$links_show_order = $HTTP_COOKIE_VARS["links_show_order"];

// error_log("start, links_show_cat_id=$links_show_cat_id");  

switch ($action) {
  case 'Add':
  {
    $standalone = 1;
    include_once('b2header.php');

    $link_url = $HTTP_POST_VARS["linkurl"];
    $link_name = $HTTP_POST_VARS["name"];
    $link_image = $HTTP_POST_VARS["image"];
    $link_target = $HTTP_POST_VARS["target"];
    $link_category = $HTTP_POST_VARS["category"];
    $link_description = $HTTP_POST_VARS["description"];
    $link_visible = $HTTP_POST_VARS["visible"];
    $link_rating = $HTTP_POST_VARS["rating"];
    $link_rel = $HTTP_POST_VARS["rel"];
    $auto_toggle = get_autotoggle($link_category);

    if ($user_level < $minadminlevel)
      die ("Cheatin' uh ?");

    // if we are in an auto toggle category and this one is visible then we
    // need to make the others invisible before we add this new one.
    if (($auto_toggle == 'Y') && ($link_visible == 'Y')) {
      $wpdb->query("UPDATE $tablelinks set link_visible = 'N' WHERE link_category = $link_category");
    }

    $wpdb->query("INSERT INTO $tablelinks (link_url, link_name, link_image, link_target, link_category, link_description, link_visible, link_owner, link_rating, link_rel) " .
      " VALUES('" . addslashes($link_url) . "','"
           . addslashes($link_name) . "', '"
           . addslashes($link_image) . "', '$link_target', $link_category, '"
           . addslashes($link_description) . "', '$link_visible', $user_ID, $link_rating, '" . addslashes($link_rel) ."')");

    header('Location: linkmanager.php');
    break;
  } // end Add

  case 'editlink':
  {
    if (isset($submit) && ($submit == "Save")) {

      if (isset($links_show_cat_id) && ($links_show_cat_id != ''))
        $cat_id = $links_show_cat_id;

      if (!isset($cat_id) || ($cat_id == '')) {
        if (!isset($links_show_cat_id) || ($links_show_cat_id == ''))
          $cat_id = 'All';
      }
      $links_show_cat_id = $cat_id;

      $standalone = 1;
      include_once('b2header.php');

      $link_id = $HTTP_POST_VARS["link_id"];
      $link_url = $HTTP_POST_VARS["linkurl"];
      $link_name = $HTTP_POST_VARS["name"];
      $link_image = $HTTP_POST_VARS["image"];
      $link_target = $HTTP_POST_VARS["target"];
      $link_category = $HTTP_POST_VARS["category"];
      $link_description = $HTTP_POST_VARS["description"];
      $link_visible = $HTTP_POST_VARS["visible"];
      $link_rating = $HTTP_POST_VARS["rating"];
      $link_rel = $HTTP_POST_VARS["rel"];
      $auto_toggle = get_autotoggle($link_category);

      if ($user_level < $minadminlevel)
        die ("Cheatin' uh ?");

      // if we are in an auto toggle category and this one is visible then we
      // need to make the others invisible before we update this one.
      if (($auto_toggle == 'Y') && ($link_visible == 'Y')) {
        $wpdb->query("UPDATE $tablelinks set link_visible = 'N' WHERE link_category = $link_category");
      }

      $wpdb->query("UPDATE $tablelinks SET link_url='" . addslashes($link_url) . "',\n " .
             " link_name='" . addslashes($link_name) . "',\n link_image='" . addslashes($link_image) . "',\n " .
             " link_target='$link_target',\n link_category=$link_category,\n " .
             " link_visible='$link_visible',\n link_description='" . addslashes($link_description) . "',\n " .
             " link_rating=$link_rating,\n" .
             " link_rel='" . addslashes($link_rel) . "'\n" .
             " WHERE link_id=$link_id");
      //error_log($sql);
    } // end if save
    setcookie('links_show_cat_id', $links_show_cat_id, time()+600);
    header("Location: linkmanager.php");
    break;
  } // end Save

  case 'Delete':
  {
    $standalone = 1;
    include_once('b2header.php');

    $link_id = $HTTP_POST_VARS["link_id"];

    if ($user_level < $minadminlevel)
      die ("Cheatin' uh ?");

    $wpdb->query("DELETE FROM $tablelinks WHERE link_id = '$link_id'");

    if (isset($links_show_cat_id) && ($links_show_cat_id != ''))
        $cat_id = $links_show_cat_id;
        
    if (!isset($cat_id) || ($cat_id == '')) {
        if (!isset($links_show_cat_id) || ($links_show_cat_id == ''))
        $cat_id = 'All';
    }
    $links_show_cat_id = $cat_id;
    setcookie("links_show_cat_id", $links_show_cat_id, time()+600);
    header("Location: linkmanager.php");
    break;
  } // end Delete
 
  case 'linkedit':
  {
    $standalone=0;
    include_once ('b2header.php');
    if ($user_level < $minadminlevel) {
      die("You have no right to edit the links for this blog.<br />Ask for a promotion to your <a href=\"mailto:$admin_email\">blog admin</a>. :)");
    }

    $row = $wpdb->get_row("SELECT link_url, link_name, link_image, link_target, link_description, link_visible, link_category AS cat_id, link_rating, link_rel " .
      " FROM $tablelinks " .
      " WHERE link_id = $link_id");

    if ($row) {
      $link_url = $row->link_url;
      $link_name = stripslashes($row->link_name);
      $link_image = $row->link_image;
      $link_target = $row->link_target;
      $link_category = $row->cat_id;
      $link_description = stripslashes($row->link_description);
      $link_visible = $row->link_visible;
      $link_rating = $row->link_rating;
      $link_rel = stripslashes($row->link_rel);
    }

?>

<div class="wrap">
    
  <table width="95%" cellpadding="5" cellspacing="0" border="0"><form name="editlink" method="post">
    <input type="hidden" name="action" value="editlink" />
    <input type="hidden" name="link_id" value="<?php echo $link_id; ?>" />
    <input type="hidden" name="order_by" value="<?php echo $order_by ?>" />
    <input type="hidden" name="cat_id" value="<?php echo $cat_id ?>" />
    <tr>
      <td colspan="2"><b>Edit</b> a link:</td>
    </tr>
    <tr height="20"> 
      <td height="20" align="right">URL:</td>
      <td><input type="text" name="linkurl" size="80" value="<?php echo $link_url; ?>"></td>
    </tr>
    <tr height="20"> 
      <td height="20" align="right">Display Name/Alt text:</td>
      <td><input type="text" name="name" size="80" value="<?php echo $link_name; ?>"></td>
    </tr>
    <tr height="20"> 
      <td height="20" align="right">Image:</td>
      <td><input type="text" name="image" size="80" value="<?php echo $link_image; ?>"></td>
    </tr>
    <tr height="20"> 
      <td height="20" align="right">Description:</td>
      <td><input type="text" name="description" size="80" value="<?php echo $link_description; ?>"></td>
    </tr>
    <tr height="20"> 
      <td height="20" align="right">Rel:</td>
      <td><input type="text" name="rel" size="80" value="<?php echo $link_rel; ?>"></td>
    </tr>
    <tr height="20"> 
      <td height="20" align="right">Rating:</td>
      <td> <select name="rating" size="1">
          <?php
    for ($r = 0; $r < 10; $r++) {
      echo('            <option value="'.$r.'" ');
      if ($link_rating == $r)
        echo('selected');
      echo('>'.$r.'</option>');
    }
?>
        </select>
        &nbsp;(Leave at 0 for no rating.) </td>
    </tr>
    <tr height="20"> 
      <td height="20" align="right">Target:</td>
      <td><label>
        <input type="radio" name="target"  value="_blank" <?php echo(($link_target == '_blank') ? 'checked="checked"' : ''); ?>>
        _blank</label> &nbsp;
        <label>
        <input type="radio" name="target" value="_top" <?php echo(($link_target == '_top') ? 'checked="checked"' : ''); ?>>
        _top</label> &nbsp;
        <label>
        <input type="radio" name="target" value="" <?php echo(($link_target == '') ? 'checked="checked"' : ''); ?>>
        none</label>
      </td>
    </tr>
    <tr height="20"> 
      <td height="20" align="right">Visible:</td>
      <td><label> 
        <input type="radio" name="visible" checked="checked" value="Y">
        Y</label> &nbsp; <label> 
        <input type="radio" name="visible" value="N">
        N</label></td>
    </tr>
    <tr height="20"> 
      <td height="20" align="right">Category:</td>
      <td> 
        <?php
    $results = $wpdb->get_results("SELECT cat_id, cat_name, auto_toggle FROM $tablelinkcategories ORDER BY cat_id");
    echo "        <select name=\"category\" size=\"1\">\n";
    foreach($results as $row) {
      echo "          <option value=\"".$row->cat_id."\"";
      if ($row->cat_id == $link_category)
        echo " selected";
        echo ">".$row->cat_id.": ".$row->cat_name;
        if ($row->auto_toggle == 'Y')
            echo ' (auto toggle)';
        echo "</option>\n";
    }
    echo "        </select>\n";
?>
      </td>
    </tr>
    <tr height="20"> 
      <td colspan="2" align="center"> <input type="submit" name="submit" value="Save" class="search">
        &nbsp;
        <input type="submit" name="submit" value="Cancel" class="search"></a> 
      </td>
    </tr>
  </table>
</div>
<?php
    break;
  } // end linkedit
  case "Show":
  {
    if (!isset($cat_id) || ($cat_id == '')) {
        if (!isset($links_show_cat_id) || ($links_show_cat_id == ''))
        $cat_id = 'All';
    }
    $links_show_cat_id = $cat_id;
    if (!isset($order_by) || ($order_by == '')) {
        if (!isset($links_show_order) || ($links_show_order == ''))
        $order_by = 'order_name';
    }
    $links_show_order = $order_by;
    //break; fall through
  } // end Show
  case "popup":
  {
    $link_url = $HTTP_GET_VARS["linkurl"];
    $link_name = $HTTP_GET_VARS["name"];
    //break; fall through
  }
  default:
  {
    if (isset($links_show_cat_id) && ($links_show_cat_id != ''))
        $cat_id = $links_show_cat_id;
        
    if (!isset($cat_id) || ($cat_id == '')) {
        if (!isset($links_show_cat_id) || ($links_show_cat_id == ''))
        $cat_id = 'All';
    }
    $links_show_cat_id = $cat_id;
    if (isset($links_show_order) && ($links_show_order != ''))
        $order_by = $links_show_order;
    
    if (!isset($order_by) || ($order_by == ''))
        $order_by = 'order_name';
    $links_show_order = $order_by;

    setcookie('links_show_cat_id', $links_show_cat_id, time()+600);
    setcookie('links_show_order', $links_show_order, time()+600);
    $standalone=0;
    include_once ("./b2header.php");
    if ($user_level < $minadminlevel) {
      die("You have no right to edit the links for this blog.<br>Ask for a promotion to your <a href=\"mailto:$admin_email\">blog admin</a> :)");
    }

    switch ($order_by)
    {
        case 'order_id':     $sqlorderby = 'id';          break;
        case 'order_url':    $sqlorderby = 'url';         break;
        case 'order_desc':   $sqlorderby = 'description'; break;
        case 'order_owner':  $sqlorderby = 'owner';       break;
        case 'order_rating': $sqlorderby = 'rating';      break;
		case 'order_name':
        default:             $sqlorderby = 'name';        break;
    }
    
  if ($action != "popup") {
?>

<div class="wrap">
    <form name="cats" method="post">
    <table width="75%" cellpadding="5" cellspacing="0" border="0">
      <tr><td><b>Link Categories:</b></td><td><a href="linkcategories.php">Manage Link Categories</a></td><td><a href="links.import.php">Import Blogroll</a></td></tr>
      <tr>
        <td>
          <b>Show</b> links in category:<br />
        </td>
        <td>
          <b>Order</b> by:
        </td>
      </tr>
      <tr>
        <td>
<?php
    $results = $wpdb->get_results("SELECT cat_id, cat_name, auto_toggle FROM $tablelinkcategories ORDER BY cat_id");
    echo "        <select name=\"cat_id\">\n";
    echo "          <option value=\"All\"";
    if ($cat_id == 'All')
      echo " selected";
    echo "> All</option>\n";
    foreach ($results as $row) {
      echo "          <option value=\"".$row->cat_id."\"";
      if ($row->cat_id == $cat_id)
        echo " selected";
        echo ">".$row->cat_id.": ".$row->cat_name;
        if ($row->auto_toggle == 'Y')
            echo ' (auto toggle)';
        echo "</option>\n";
    }
    echo "        </select>\n";
?>
        </td>
        <td>
          <select name="order_by">
            <option value="order_id"     <?php if ($order_by == 'order_id')     echo " selected";?>>Id</option>
            <option value="order_name"   <?php if ($order_by == 'order_name')   echo " selected";?>>Name</option>
            <option value="order_url"    <?php if ($order_by == 'order_url')    echo " selected";?>>URL</option>
            <option value="order_desc"   <?php if ($order_by == 'order_desc')   echo " selected";?>>Description</option>
            <option value="order_owner"  <?php if ($order_by == 'order_owner')  echo " selected";?>>Owner</option>
            <option value="order_rating" <?php if ($order_by == 'order_rating') echo " selected";?>>Rating</option>
          </select>
        </td>
        <td>
          <input type="submit" name="action" value="Show" class="search" />
        </td>
      </tr>
    </table>
    </form>

</div>

<div class="wrap">

     <form name="links" id="links" method="post">
    <input type="hidden" name="link_id" value="" />
    <input type="hidden" name="action" value="" />
    <input type="hidden" name="order_by" value="<?php echo $order_by ?>" />
    <input type="hidden" name="cat_id" value="<?php echo $cat_id ?>" />
  <table width="100%" border="0" cellspacing="0" cellpadding="5">
    <tr> 
      <th width="15%">Name</th>
      <th>URL</th>
      <th>Category</th>
      <th>Relevance</th>
      <th>Image</th>
      <th>Visible</th>
      <th>&nbsp;</th>
      <th>&nbsp;</th>
  </tr>
<?php
    $sql = "SELECT link_url, link_name, link_image, link_description, link_visible,
    link_category AS cat_id, cat_name AS category, $tableusers.user_login, link_id,
    link_rating, link_rel
    FROM $tablelinks
    LEFT JOIN $tablelinkcategories ON $tablelinks.link_category = $tablelinkcategories.cat_id
    LEFT JOIN $tableusers on $tableusers.ID = $tablelinks.link_owner ";
    
    // have we got a where clause?
    if (($use_adminlevels) || (isset($cat_id) && ($cat_id != 'All')) ) {
        $sql .= " WHERE ";
    }
    // FIX ME This make higher level links invisible rather than just uneditable
    if ($use_adminlevels) {
        $sql .= " ($tableusers.user_level <= $user_level"
                . "   OR $tableusers.ID = $user_ID)";
    }
    if (isset($cat_id) && ($cat_id != 'All')) {
      // have we already started the where clause?
      if ($use_adminlevels) {
        $sql .= " AND ";
      }
      $sql .= " link_category = $cat_id ";
    }
    $sql .= ' ORDER BY link_' . $sqlorderby;

    // echo "$sql";
    $links = $wpdb->get_results($sql);
    if ($links) {
        foreach ($links as $link) {
            $short_url = str_replace('http://', '', $link->link_url);
            $short_url = str_replace('www.', '', $short_url);
            if ('/' == substr($short_url, -1)) $short_url = substr($short_url, 0, -1);
            if (strlen($short_url) > 35) $short_url =  substr($short_url, 0, 32).'...';
	  
            $link->link_name = stripslashes($link->link_name);
            $link->category = stripslashes($link->category);
            $link->link_rel = stripslashes($link->link_rel);
            $image = ($link->link_image != null) ? 'Yes' : 'No';
            $visible = ($link->link_visible == 'Y') ? 'Yes' : 'No';
            ++$i;
            $style = ($i % 2) ? ' class="alternate"' : '';
            echo <<<LINKS
	<tr valign="middle"$style>
		<td><strong>$link->link_name</strong><br />
		Description: $link->link_description</td>
		<td><a href="$link->link_url" title="Visit $link->link_name">$short_url</a></td>
		<td>$link->category</td>
		<td>$link->link_rel</td>
		<td>$image</td>
		<td>$visible</td>
		<td><input type="submit" name="edit" onclick="document.forms['links'].link_id.value='$link->link_id'; document.forms['links'].action.value='linkedit'; " value="Edit" class="search" /></td>
		<td><input type="submit" name="delete" onclick="document.forms['links'].link_id.value='$link->link_id'; document.forms['links'].action.value='Delete'; return confirm('You are about to delete this link.\\n  \'Cancel\' to stop, \'OK\' to delete.'); " value="Delete" class="search" /></td>
	</tr>
LINKS;
        }
    }
?>
</table>
</form>
<?php
  } // end if !popup
?>
</div>

<div class="wrap">

    <table width="95%" cellpadding="5" cellspacing="0" border="0">
    <form name="addlink" method="post">
    <input type="hidden" name="action" value="Add" />
    <tr><td colspan="2"><b>Add</b> a link:</td></tr>
      <tr height="20">
        <td height="20" align="right">URL:</td>
        <td><input type="text" name="linkurl" size="80" value="<?php echo $link_url; ?>"></td>
      </tr>
      <tr height="20">
        <td height="20" align="right">Display Name/Alt text:</td>
        <td><input type="text" name="name" size="80" value="<?php echo $name; ?>"></td>
      </tr>
      <tr height="20">
        <td height="20" align="right">Image:</td>
        <td><input type="text" name="image" size="80" value=""></td>
      </tr>
      <tr height="20">
        <td height="20" align="right">Description:</td>
        <td><input type="text" name="description" size="80" value=""></td>
      </tr>
      <tr height="20">
        <td height="20" align="right">Rel:</td>
        <td><input type="text" name="rel" size="80" value=""></td>
      </tr>
      <tr height="20">
        <td height="20" align="right">Rating:</td>
        <td>
          <select name="rating" size="1">
<?php
    for ($r = 0; $r < 10; $r++) {
      echo('            <option value="'.$r.'">'.$r.'</option>');
    }
?>
            </select>&nbsp;(Leave at 0 for no rating.)
        </td>
      </tr>
      <tr height="20">
        <td height="20" align="right">Target:</td>
        <td><label><input type="radio" name="target"  value="_blank"> _blank</label>
        &nbsp;<label><input type="radio" name="target" value="_top"> 
        _top</label>&nbsp;<label><input type="radio" name="target" value="" checked="checked"> 
        none</label></td>
      </tr>
      <tr height="20">
        <td height="20" align="right">Visible:</td>
        <td><label>
        <input type="radio" name="visible" checked="checked" value="Y">
        Y</label>
        &nbsp;
<label>
        <input type="radio" name="visible" value="N">
        N</label></td>
      </tr>
      <tr height="20">
        <td height="20" align="right">Category:</td>
        <td>
<?php
    $results = $wpdb->get_results("SELECT cat_id, cat_name, auto_toggle FROM $tablelinkcategories ORDER BY cat_id");
    echo "        <select name=\"category\" size=\"1\">\n";
    foreach ($results as $row) {
      echo "          <option value=\"".$row->cat_id."\"";
      if ($row->cat_id == $cat_id)
        echo " selected";
        echo ">".$row->cat_id.": ".$row->cat_name;
        if ($row->auto_toggle == 'Y')
            echo ' (auto toggle)';
        echo "</option>\n";
    }
    echo "        </select>\n";
?>
        </td>
      </tr>
      <tr height="20">
        <td colspan="2" align="center">
          <input type="submit" name="submit" value="Add" class="search">
        </td>
      </tr>
    </table>
</div>

<div class="wrap">
<p>You can drag <a href="javascript:void(linkmanpopup=window.open('<?php echo $siteurl; ?>/wp-admin/linkmanager.php?action=popup&linkurl='+escape(location.href)+'&name='+escape(document.title),'Link Manager','scrollbars=yes,width=750,height=550,left=15,top=15,status=yes,resizable=yes'));linkmanpopup.focus();window.focus();linkmanpopup.focus();" title="Link add bookmarklet">link this</a> to your toolbar and when you click it a window will pop up that will allow you to add whatever site you're on to your links! Right now this only works on Mozilla or Netscape, but we're working on it.</p>
</div>
<?php
    break;
  } // end default
} // end case
?>


<?php include('b2footer.php'); ?>