<?php

/**

 * Permalink settings administration panel.

 *

 * @package WordPress

 * @subpackage Administration

 */

/** WordPress Administration Bootstrap */

require_once('admin.php');

if ( ! current_user_can('manage_options') )

	wp_die(__('You do not have sufficient permissions to manage options for this blog.'));

$title = __('Permalink Settings');

$parent_file = 'options-general.php';

/**

 * Display JavaScript on the page.

 *

 * @package WordPress

 * @subpackage Permalink_Settings_Panel

 */

function add_js() {

?>

<script type="text/javascript">

//<![CDATA[

function GetElementsWithClassName(elementName, className) {

var allElements = document.getElementsByTagName(elementName);

var elemColl = new Array();

for (i = 0; i < allElements.length; i++) {

if (allElements[i].className == className) {

elemColl[elemColl.length] = allElements[i];

}

}

return elemColl;

}

function upit() {

var inputColl = GetElementsWithClassName('input', 'tog');

var structure = document.getElementById('permalink_structure');

var inputs = '';

for (i = 0; i < inputColl.length; i++) {

if ( inputColl[i].checked && inputColl[i].value != '') {

inputs += inputColl[i].value + ' ';

}

}

inputs = inputs.substr(0,inputs.length - 1);

if ( 'custom' != inputs )

structure.value = inputs;

}

function blurry() {

if (!document.getElementById) return;

var structure = document.getElementById('permalink_structure');

structure.onfocus = function () { document.getElementById('custom_selection').checked = 'checked'; }

var aInputs = document.getElementsByTagName('input');

for (var i = 0; i < aInputs.length; i++) {

aInputs[i].onclick = aInputs[i].onkeyup = upit;

}

}

window.onload = blurry;

//]]>

</script>

<?php

}

add_filter('admin_head', 'add_js');

include('admin-header.php');

$home_path = get_home_path();

$iis7_permalinks = iis7_supports_permalinks();

if ( isset($_POST['permalink_structure']) || isset($_POST['category_base']) ) {

	check_admin_referer('update-permalink');

	if ( isset($_POST['permalink_structure']) ) {

		$permalink_structure = $_POST['permalink_structure'];

		if (! empty($permalink_structure) )

			$permalink_structure = preg_replace('#/+#', '/', '/' . $_POST['permalink_structure']);

		$wp_rewrite->set_permalink_structure($permalink_structure);

	}

	if ( isset($_POST['category_base']) ) {

		$category_base = $_POST['category_base'];

		if (! empty($category_base) )

			$category_base = preg_replace('#/+#', '/', '/' . $_POST['category_base']);

		$wp_rewrite->set_category_base($category_base);

	}

	if ( isset($_POST['tag_base']) ) {

		$tag_base = $_POST['tag_base'];

		if (! empty($tag_base) )

			$tag_base = preg_replace('#/+#', '/', '/' . $_POST['tag_base']);

		$wp_rewrite->set_tag_base($tag_base);

	}

}

$permalink_structure = get_option('permalink_structure');

$category_base = get_option('category_base');

$tag_base = get_option( 'tag_base' );

if ( $iis7_permalinks ) {

	if ( ( ! file_exists($home_path . 'web.config') && win_is_writable($home_path) ) || win_is_writable($home_path . 'web.config') )

		$writable = true;

	else

		$writable = false;

} else {

	if ( ( ! file_exists($home_path . '.htaccess') && is_writable($home_path) ) || is_writable($home_path . '.htaccess') )

		$writable = true;

	else

		$writable = false;

}

if ( $wp_rewrite->using_index_permalinks() )

	$usingpi = true;

else

	$usingpi = false;

$wp_rewrite->flush_rules();

?>

<?php if (isset($_POST['submit'])) : ?>

<div id="message" class="updated fade"><p><?php

if ( $iis7_permalinks ) {

	if ( $permalink_structure && ! $usingpi && ! $writable )

		_e('You should update your web.config now');

	else if ( $permalink_structure && ! $usingpi && $writable)

		_e('Permalink structure updated. Remove write access on web.config file now!');

	else

		_e('Permalink structure updated');

} else {

	if ( $permalink_structure && ! $usingpi && ! $writable )

		_e('You should update your .htaccess now.');

	else

		_e('Permalink structure updated.');

}

?>

</p></div>

<?php endif; ?>

<div class="wrap">

<?php screen_icon(); ?>

<h2><?php echo esc_html( $title ); ?></h2>

<form name="form" action="options-permalink.php" method="post">

<?php wp_nonce_field('update-permalink') ?>

  <p><?php _e('By default WordPress uses web <abbr title="Universal Resource Locator">URL</abbr>s which have question marks and lots of numbers in them, however WordPress offers you the ability to create a custom URL structure for your permalinks and archives. This can improve the aesthetics, usability, and forward-compatibility of your links. A <a href="http://codex.wordpress.org/Using_Permalinks">number of tags are available</a>, and here are some examples to get you started.'); ?></p>

<?php

$prefix = '';

if ( ! got_mod_rewrite() && ! $iis7_permalinks )

	$prefix = '/index.php';

$structures = array(

	'',

	$prefix . '/%year%/%monthnum%/%day%/%postname%/',

	$prefix . '/%year%/%monthnum%/%postname%/',

	$prefix . '/archives/%post_id%'

	);

?>

<h3><?php _e('Common settings'); ?></h3>

<table class="form-table">

	<tr>

		<th><label><input name="selection" type="radio" value="" class="tog" <?php checked('', $permalink_structure); ?> /> <?php _e('Default'); ?></label></th>

		<td><code><?php echo get_option('home'); ?>/?p=123</code></td>

	</tr>

	<tr>

		<th><label><input name="selection" type="radio" value="<?php echo esc_attr($structures[1]); ?>" class="tog" <?php checked($structures[1], $permalink_structure); ?> /> <?php _e('Day and name'); ?></label></th>

		<td><code><?php echo get_option('home') . $prefix . '/' . date('Y') . '/' . date('m') . '/' . date('d') . '/sample-post/'; ?></code></td>

	</tr>

	<tr>

		<th><label><input name="selection" type="radio" value="<?php echo esc_attr($structures[2]); ?>" class="tog" <?php checked($structures[2], $permalink_structure); ?> /> <?php _e('Month and name'); ?></label></th>

		<td><code><?php echo get_option('home') . $prefix . '/' . date('Y') . '/' . date('m') . '/sample-post/'; ?></code></td>

	</tr>

	<tr>

		<th><label><input name="selection" type="radio" value="<?php echo esc_attr($structures[3]); ?>" class="tog" <?php checked($structures[3], $permalink_structure); ?> /> <?php _e('Numeric'); ?></label></th>

		<td><code><?php echo get_option('home') . $prefix  ; ?>/archives/123</code></td>

	</tr>

	<tr>

		<th>

			<label><input name="selection" id="custom_selection" type="radio" value="custom" class="tog"

			<?php if ( !in_array($permalink_structure, $structures) ) { ?>

			checked="checked"

			<?php } ?>

			 />

			<?php _e('Custom Structure'); ?>

			</label>

		</th>

		<td>

			<input name="permalink_structure" id="permalink_structure" type="text" value="<?php echo esc_attr($permalink_structure); ?>" class="regular-text code" />

		</td>

	</tr>

</table>

<h3><?php _e('Optional'); ?></h3>

<?php if ( $is_apache || $iis7_permalinks ) : ?>

	<p><?php _e('If you like, you may enter custom structures for your category and tag <abbr title="Universal Resource Locator">URL</abbr>s here. For example, using <kbd>topics</kbd> as your category base would make your category links like <code>http://example.org/topics/uncategorized/</code>. If you leave these blank the defaults will be used.') ?></p>

<?php else : ?>

	<p><?php _e('If you like, you may enter custom structures for your category and tag <abbr title="Universal Resource Locator">URL</abbr>s here. For example, using <code>topics</code> as your category base would make your category links like <code>http://example.org/index.php/topics/uncategorized/</code>. If you leave these blank the defaults will be used.') ?></p>

<?php endif; ?>

<table class="form-table">

	<tr>

		<th><label for="category_base"><?php _e('Category base'); ?></label></th>

		<td><input name="category_base" id="category_base" type="text" value="<?php echo esc_attr($category_base); ?>" class="regular-text code" /></td>

	</tr>

	<tr>

		<th><label for="tag_base"><?php _e('Tag base'); ?></label></th>

		<td><input name="tag_base" id="tag_base" type="text" value="<?php echo esc_attr($tag_base); ?>" class="regular-text code" /></td>

	</tr>

	<?php do_settings_fields('permalink', 'optional'); ?>

</table>

<?php do_settings_sections('permalink'); ?>

<p class="submit">

	<input type="submit" name="submit" class="button-primary" value="<?php esc_attr_e('Save Changes') ?>" />

</p>

  </form>

<?php if ($iis7_permalinks) :

	if ( isset($_POST['submit']) && $permalink_structure && ! $usingpi && ! $writable ) : 

		if ( file_exists($home_path . 'web.config') ) : ?>

<p><?php _e('If your <code>web.config</code> file were <a href="http://codex.wordpress.org/Changing_File_Permissions">writable</a>, we could do this automatically, but it isn&#8217;t so this is the url rewrite rule you should have in your <code>web.config</code> file. Click in the field and press <kbd>CTRL + a</kbd> to select all. Then insert this rule inside of the <code>/&lt;configuration&gt;/&lt;system.webServer&gt;/&lt;rewrite&gt;/&lt;rules&gt;</code> element in <code>web.config</code> file.') ?></p>

<form action="options-permalink.php" method="post">

<?php wp_nonce_field('update-permalink') ?>

	<p><textarea rows="9" class="large-text readonly" name="rules" id="rules" readonly="readonly"><?php echo esc_html($wp_rewrite->iis7_url_rewrite_rules()); ?></textarea></p>

</form>

<p><?php _e('If you temporarily make your <code>web.config</code> file writable for us to generate rewrite rules automatically, do not forget to revert the permissions after rule has been saved.')  ?></p>

		<?php else : ?>

<p><?php _e('If the root directory of your site were <a href="http://codex.wordpress.org/Changing_File_Permissions">writable</a>, we could do this automatically, but it isn&#8217;t so this is the url rewrite rule you should have in your <code>web.config</code> file. Create a new file, called <code>web.config</code> in the root directory of your site. Click in the field and press <kbd>CTRL + a</kbd> to select all. Then insert this code into the <code>web.config</code> file.') ?></p>

<form action="options-permalink.php" method="post">

<?php wp_nonce_field('update-permalink') ?>

	<p><textarea rows="18" class="large-text readonly" name="rules" id="rules" readonly="readonly"><?php echo esc_html($wp_rewrite->iis7_url_rewrite_rules(true)); ?></textarea></p>

</form>

<p><?php _e('If you temporarily make your site&#8217;s root directory writable for us to generate the <code>web.config</code> file automatically, do not forget to revert the permissions after the file has been created.')  ?></p>			

		<?php endif; ?>

	<?php endif; ?>

<?php else :

	if ( $permalink_structure && ! $usingpi && ! $writable ) : ?>

<p><?php _e('If your <code>.htaccess</code> file were <a href="http://codex.wordpress.org/Changing_File_Permissions">writable</a>, we could do this automatically, but it isn&#8217;t so these are the mod_rewrite rules you should have in your <code>.htaccess</code> file. Click in the field and press <kbd>CTRL + a</kbd> to select all.') ?></p>

<form action="options-permalink.php" method="post">

<?php wp_nonce_field('update-permalink') ?>

	<p><textarea rows="6" class="large-text readonly" name="rules" id="rules" readonly="readonly"><?php echo esc_html($wp_rewrite->mod_rewrite_rules()); ?></textarea></p>

</form>

	<?php endif; ?>

<?php endif; ?>

</div>

<?php require('./admin-footer.php'); ?>