<?php
/*
Plugin Name: Editor Options
*/
/*
Copyright (C) 2010 - t31os (not that i really care anyway)

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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/
if( !class_exists( 'editor_options' ) ) {
	
	class editor_options {

		// Constructor
		function editor_options() {
			if( is_admin() )				
				add_action( 'admin_menu' , array( &$this , 'register_plugin_pages' ) );
		}
		
		// Register the plugin pages
		function register_plugin_pages() {
			
			// Parent menu, options general
			add_menu_page( 
				'General Settings',                    // Page title - What you see in the browser title
				'Settings',                            // Menu title - What the menu item is named
				'update_options_general',              // Capability - Capability required to manage this plugin
				'editor_options_general',              // Admin Page - The page name used to query for the plugin
				array( &$this , 'do_options' )         // Callback   - The function to be called when the plugin page is requested
			);
			// Add options general as a submenu so the menu title can differ from the menu heading (above)
			add_submenu_page( 
				'editor_options_general',              // Parent menu (self)
				'General Settings',                    // Page title - What you see in the browser title
				'General',                             // Menu title - What the menu item is named
				'update_options_general',              // Capability - Capability required to manage this plugin
				'editor_options_general',              // Admin Page - The page name used to query for the plugin
				array( &$this , 'do_options' )         // Callback   - The function to be called when the plugin page is requested
			);	
			// Add the privacy submenu
			add_submenu_page( 
				'editor_options_general',              // Parent menu
				'Privacy Settings',                    // Page title - What you see in the browser title
				'Privacy',                             // Menu title - What the menu item is named
				'update_options_privacy',              // Capability - Capability required to manage this plugin
				'editor_options_privacy',              // Admin Page - The page name used to query for the plugin
				array( &$this , 'do_options' )         // Callback   - The function to be called when the plugin page is requested
			);

		}

		// Print out the plugin page
		function do_options() {
			
			// There should always be a request page, it's part of the URL for the pages
			if( !isset( $_REQUEST['page'] ) )
				wp_die('The plugin page was not requested');
			
			// Now we know it's set, store
			$requested_page = $_REQUEST['page'];
			
			// Make sure user has the privs
			if( 'editor_options_privacy' == $requested_page ) {
				if( !current_user_can( 'update_options_privacy' ) )
					wp_die('Cheatin Huh!');
				$plugin_page = 'Privacy';
			}
			// Make sure user has the privs
			elseif( 'editor_options_general' == $requested_page ) {
				if( !current_user_can( 'update_options_general' ) )
					wp_die('Cheatin Huh!');
				$plugin_page = 'General';
			}
			else {
				// Else something went wrong, bail out.
				wp_die('Are you sure you requested the right page?');
			}
			// Build valid options array
			$valid_options = array('Submit');
			
			// If changes were submitted
			if( $_POST ) {
				// Add general options
				if( 'General' == $plugin_page ) {
					$valid_options[] = 'blogname';
					$valid_options[] = 'blogdescription';
				}
				// Add privacy option
				elseif( 'Privacy' == $plugin_page ) {
					$valid_options[] = 'blog_public';
				}
				// If anything else was submitted along with the data, well it's not suppose to be there, so again just bail out..
				foreach( $_POST as $name => $data ) {
					if( !in_array( $name, $valid_options ) ) {
						wp_die('Invalid option found on submission, settings could not be saved.');
					}	
				}
				// If we've made this far, we should have options to save (and only valid ones)
				$options = array();
				// Check which page was requested again
				if( 'General' == $plugin_page ) {
					// General options, let's escape any HTML
					$options = array_map('esc_html', $_POST );
				}
				elseif( 'Privacy' == $plugin_page ) {
					// Privacy page, on / off setting, so only need a 0 vs 1 comparision check
					if( isset( $_POST['blog_public'] ) ) {
						if( 1 == $_POST['blog_public'] )
							$options['blog_public'] = '1';
						else
							$options['blog_public'] = '0';
					}
				}
				if( !empty( $options ) ) {
					unset($_POST['submit']); // Let's not save the submit buttons value
					foreach( $options as $option_name => $option_value ) {
						update_option($option_name,$option_value);
					}
				}
			}
			?>
			
			<div class="wrap">
				<?php screen_icon('options-general'); ?>
				<h2><?php echo $plugin_page; ?> Settings</h2>

				<form method="post" action="admin.php?page=<?php echo $requested_page; ?>">
					
					<table class="form-table">
						<?php 
						switch( $plugin_page ) {
							case 'General':
						?>
						
						<tr valign="top">
							<th scope="row"><label for="blogname"><?php _e('Site Title') ?></label></th>
							<td><input name="blogname" type="text" id="blogname" value="<?php form_option('blogname'); ?>" class="regular-text" /></td>
							</tr>
							<tr valign="top">
							<th scope="row"><label for="blogdescription"><?php _e('Tagline') ?></label></th>
							<td><input name="blogdescription" type="text" id="blogdescription"  value="<?php form_option('blogdescription'); ?>" class="regular-text" />
							<span class="description"><?php _e('In a few words, explain what this site is about.') ?></span></td>
						</tr>
						
						<?php
							break;
							case 'Privacy':
						?>
						<tr valign="top">
							<th scope="row"><?php _e('Site Visibility') ?> </th>
							<td><fieldset><legend class="screen-reader-text"><span><?php _e('Site Visibility') ?> </span></legend>
							<input id="blog-public" type="radio" name="blog_public" value="1" <?php checked('1', get_option('blog_public')); ?> />
							<label for="blog-public"><?php _e('I would like my site to be visible to everyone, including search engines (like Google, Bing, Technorati) and archivers');?></label><br/>
							<input id="blog-norobots" type="radio" name="blog_public" value="0" <?php checked('0', get_option('blog_public')); ?> />
							<label for="blog-norobots"><?php _e('I would like to block search engines, but allow normal visitors'); ?></label>
							<?php do_action('blog_privacy_selector'); ?>
							</fieldset></td>
						</tr>
						<?php
							break;
						} 
						?>
					</table>
					
					<p class="submit">
						<input type="submit" name="Submit" class="button-secondary action" value="Save" />
					</p>
				</form>
			</div>
			
			<?php
		}
		
	}
	
	// Instantiate the class
	$editor_options = new editor_options();

}
// End class exists statement