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<?php

namespace WPGO_Plugins\Simple_Sitemap;

/*
 * Plugin options class.
 */

 class WPGO_Simple_Sitemap_Settings {

	protected $module_roots;

	/* Main class constructor. */
	public function __construct($module_roots) {

		$this->module_roots = $module_roots;

		add_action( 'admin_init', array( &$this, 'register_plugin_settings' ) );
		add_action( 'admin_menu', array( &$this, 'add_options_page' ) );
		add_filter( 'simple_sitemap_defaults', array( &$this, 'add_defaults' ) );
	}

	/**
	 * Register plugin options with Settings API.
	 *
	 */
	public function register_plugin_settings() {

		/* Register plugin options settings for all tabs. */
		register_setting( 'simple_sitemap_options_group', 'simple_sitemap_options',	array( $this, 'sanitize_plugin_options' )	);
	}

	/**
	 * Register plugin options page, and enqueue scripts/styles.
	 *
	 * @since 0.1.0
	 */
	public function add_options_page() {

		add_menu_page(
			__( 'Simple Sitemap Settings Page', 'simple-sitemap' ),
			__( 'Simple Sitemap', 'simple-sitemap' ),
			'manage_options',
			'simple-sitemap-menu',
			array( &$this, 'render' ),
			'dashicons-pressthis',
			82
		);
	}

	/* Define default option settings. */
	public function add_defaults($defaults) {

		$defaults["txtar_sitemap_script"] = "";
		$defaults["chk_parent_page_link"] = "0";
		$defaults["txt_exclude_parent_pages"] = "";
		$defaults["default_on_checkboxes"]["chk_parent_page_link"] =  "0";

		return $defaults;
	}

	/*
	 * Sanitize plugin options.
	 *
	 * Get rid of the local license key status option when adding a new one
	 *
	 */
	public function sanitize_plugin_options( $input ) {

		// strip html from textboxes
		$input['txtar_sitemap_script'] = wp_filter_nohtml_kses( $input['txtar_sitemap_script'] );
		$input['txt_exclude_parent_pages'] = wp_filter_nohtml_kses( $input['txt_exclude_parent_pages'] );

		/* Sanitize plugin options via this filter hook. */
		// this allows you to sanitize options via another class
		//return WPGO_Simple_Sitemap_Hooks::wpgo_sanitize_plugin_options( $input );
		return $input;
	}

	/**
	 * Display plugin options page.
	 *
	 * @since 0.1.0
	 */
	public function render() {
		$freemius_upgrade_url = admin_url() . "admin.php?page=simple-sitemap-menu-pricing";
		$pro_attribute = '<span class="pro" title="Shortcode attribute available in Simple Sitemap Pro"><a href="' . $freemius_upgrade_url . '">PRO</a></span>';
		?>
		<div class="wrap">

			<h2><?php _e( 'Welcome to Simple Sitemap!', 'simple-sitemap' ); ?></h2>
			<div style="position:absolute;padding:15px;top:5px;right:0;"><a style="text-decoration:none;" title="Check out some of our other plugins" alt="WPGO Plugins Site" href="https://wpgoplugins.com/" target="_blank">wpgoplugins.com</a></div>

			<div style="clear:both;"></div>

			<?php
			// Check to see if user clicked on the reset options button
			if ( isset( $_POST['reset_options'] ) ) :

				// Reset plugin defaults
				update_option( 'simple_sitemap_options', self::get_default_plugin_options() );

				// Display update notice here
				?>
				<div style="margin:20px 0 10px;">
					<p><strong><?php echo 'Settings reset.'; ?></strong></p><button type="button" class="notice-dismiss"><span class="screen-reader-text">Dismiss this notice.</span></button>
				</div>
				<?php

			endif;
			?>

			<div style="margin:20px 0 10px;font-size:14px;line-height:1.4em;">What type of sitemap will you create today? There are just so many different types of sitemap to choose from. That's why we recommend checking out the <a href="http://demo.wpgothemes.com/flexr/simple-sitemap-pro-demo/" target="_blank">live demo</a> page to start with to see all the different types of sitemap available!</div>

			<div><a class="plugin-btn" href="http://demo.wpgothemes.com/flexr/simple-sitemap-pro-demo/" target="_blank">Launch Sitemap Demo</a></div>

			<h2 style="margin:35px 0 0 0;">Sitemap Settings</h2>

			<div class="ss-box" style="margin-top:20px;">
				<h4 style="margin-top:5px;display:inline-block;margin-bottom:10px;">Plugin Settings</h4><button id="settings-btn" class="button">Expand <span style="vertical-align:sub;width:16px;height:16px;font-size:16px;" class="dashicons dashicons-arrow-down-alt2"></span></button>

				<div style="margin:15px;" id="settings-wrap">

					<!-- Start Main Form -->
					<form id="plugin-options-form" method="post" action="options.php">
						<?php
						$options = self::get_plugin_options();
						settings_fields( 'simple_sitemap_options_group' );
						?>

						<div class="simple-sitemap-pro-tab">
							<table class="form-table">

								<tr valign="top">
									<td colspan="2" style="padding:0;">
										<div>

											<label><input name="simple_sitemap_options[chk_parent_page_link]" type="checkbox" value="1" <?php if ( isset( $options['chk_parent_page_link'] ) ) { checked( '1', $options['chk_parent_page_link'] ); } ?>> Remove parent page links?</label><br><br>

											<input type="text" class="exclude regular-text code" name="simple_sitemap_options[txt_exclude_parent_pages]" value="<?php echo $options['txt_exclude_parent_pages']; ?>">

											<p class="description">Enter comma separated list of parent page IDs to remove specific links. Leave blank to remove ALL parent page links.</p>
										<div>
									</td>
								</tr>

								<tr valign="top" style="display:none;">
									<th scope="row">Advanced Configuration</th>
									<td>
										<textarea name="simple_sitemap_options[txtar_sitemap_script]" rows="7" cols="50" type='textarea'><?php echo $options['txtar_sitemap_script']; ?></textarea>
										<p class="description">Add script into the box above to output an advanced sitemap.</p>
									</td>
								</tr>
							</table>
						</div>

						<div class="support-tab">
							<?php do_settings_sections( 'simple-sitemap-menu' ); ?>
						</div>

						<?php submit_button(); ?>

					</form>
					<!-- main form closing tag -->

					<form action="<?php echo self::currURL(); // current page url ?>" method="post" id="simple-sitemap-reset-form" style="display:inline;">
						<span id="simple-sitemap-reset"><a href="#">Reset plugin options</a><input type="hidden" name="reset_options" value="true"></span>
					</form>
				</div>
			</div>

			<h2 style="margin:35px 0 0 0;">Sitemap Blocks <span style="font-style:italic;color: red;">*NEW*</span></h2>

			<div class="ss-box" style="margin-top:20px;">
				<h4 style="margin-top:5px;display:inline-block;margin-bottom:10px;">Available Blocks</h4><button id="blocks-btn" class="button">Expand <span style="vertical-align:sub;width:16px;height:16px;font-size:16px;" class="dashicons dashicons-arrow-down-alt2"></span></button>

				<div id="blocks-wrap" style="margin:10px;">
					<p>I'm pleased to announce that Simple Sitemap plugin now includes support for <a href="https://wordpress.org/gutenberg/" target="_blank">blocks</a>! This means you can now easily add a sitemap visually directly inside the WordPress editor. No more swapping back and forth between the editor and front end to preview the sitemap.</p>

					<p>There are two sitemap blocks available. One to insert a standard sitemap, and the other to display a list of posts grouped by taxonomy. These two blocks are a direct replacement for the following shortcodes.</p>
					
					<ul>
						<li><code>[simple-sitemap]</code></li>
						<li><code>[simple-sitemap-group]</code></li>
					</ul>

					All shortcode attributes are now supported inside the editor via a specially built user interface.

					<div style="margin-top:20px;text-align:center;"><img style="max-width:550px;" src="<?php echo $this->module_roots['pdir']; ?>shared/images/simple-sitemap-block.png" /></div>

					<div>
						<h4>Usage Instructions:</h4>
						<ol>
							<li>Inside the new editor click the plus icon to insert a new block.</li>
							<li>In the popup window search for 'sitemap' or scroll down until you see the Simple Sitemap blocks section, and expand it.</li>
							<li>Click on the particular sitemap block icon you want to insert.</li>
							<li>Once the block has been added to the editor you can access block settings in the inspector panel to the right.</li>
							<li>Make sure to save your changes and then view the sitemap on the front end!</li>
						</ol>
					</div>
				</div>
			</div>

			<h2 style="margin:35px 0 0 0;">Sitemap Shortcodes</h2>

			<div class="ss-box" style="margin-top:20px;">
				<h4 style="margin-top:5px;display:inline-block;margin-bottom:10px;">Available Shortcodes</h4><button id="shortcodes-btn" class="button">Expand <span style="vertical-align:sub;width:16px;height:16px;font-size:16px;" class="dashicons dashicons-arrow-down-alt2"></span></button>

				<div id="shortcodes-wrap">

					<p>Click on the shortcodes below to view the full documentation for each shortcode. We recommend using sitemap blocks inside the new WordPress editor rather than shortcodes.</p>
	
					<p style="margin:15px 0 0 0;"><code><a class="code-link" href="https://wpgoplugins.com/document/simple-sitemap-pro-documentation/#simple-sitemap" target="_blank">[simple-sitemap]</a></code> <?php printf( __( 'Displays a list of posts for one or more post types.', 'simple-sitemap' ) ); ?></p>

					<p style="margin:15px 0 0 0;"><code><a class="code-link" href="https://wpgoplugins.com/document/simple-sitemap-pro-documentation/#simple-sitemap-group" target="_blank">[simple-sitemap-group]</a></code> <?php printf( __( 'Displays a list of posts grouped by category, OR tags.', 'simple-sitemap' ) ); ?></p>

					<p style="margin:15px 0 0 0;"><code><a class="code-link" href="https://wpgoplugins.com/document/simple-sitemap-pro-documentation/#simple-sitemap-tax" target="_blank">[simple-sitemap-tax]</a></code> <?php echo $pro_attribute; ?> <?php printf( __( 'Displays a list of taxonomy terms for any registered taxonomy (e.g. categories).', 'simple-sitemap' ) ); ?></p>

					<p style="margin:15px 0 0 0;"><code><a class="code-link" href="https://wpgoplugins.com/document/simple-sitemap-pro-documentation/#simple-sitemap-menu" target="_blank">[simple-sitemap-menu]</a></code> <?php echo $pro_attribute; ?> <?php printf( __( 'Displays a sitemap based on a nav menu.', 'simple-sitemap' ) ); ?></p>

					<p style="margin:15px 0 30px 0;"><code><a class="code-link" href="https://wpgoplugins.com/document/simple-sitemap-pro-documentation/#simple-sitemap-child" target="_blank">[simple-sitemap-child]</a></code> <?php echo $pro_attribute; ?> <?php printf( __( 'Displays a list of child pages for a specific parent page.', 'simple-sitemap' ) ); ?></p>
				</div>
			</div>

			<div class="ss-box">
				<h4 style="margin-top:5px;display:inline-block;margin-bottom:10px;">Shortcode Attributes & Default Values</h4><button id="attributes-btn" class="button">Expand <span style="vertical-align:sub;width:16px;height:16px;font-size:16px;" class="dashicons dashicons-arrow-down-alt2"></span></button>
				<div id="attributes-wrap">
					<p>Note: Default values are always used for missing shortcode attributes. i.e. Override only the values you want to change.</p>
					<p style="margin:20px 0 0 0;"><code><b>[simple-sitemap ... ]</b></code></p>
					<ul class="shortcode-attributes">
						<li><code>page_depth="0"</code> - For the 'page' post type allow the indentation depth to be specified.</li>
						<li><code>title_tag=""</code> - Tag used to wrap each sitemap item in a specified tag.</li>
						<li><code>post_type_tag="h2"</code> - Tag used to display the post type label.</li>
						<li><code>orderby="title"</code> - Value to sort posts by (title, date, author etc.). See the full list <a href="https://codex.wordpress.org/Class_Reference/WP_Query#Order_.26_Orderby_Parameters" target="_blank">here</a>.</li>
						<li><code>order="asc"</code> - List posts for each post type in ascending, or descending order.</li>
						<li><code>show_excerpt="true"</code> - Optionally show post excerpt (if defined) under each sitemap item.</li>
						<li><code>excerpt_tag=""</code> - Tag used to wrap the post excerpt text.</li>
						<li><code>show_label="true"</code> - Optionally show post type label above the sitemap list of posts.</li>
						<li><code>links="true"</code> - Show sitemap items as links or plain text.</li>
						<li><code>container_tag="ul"</code> - List type tag, ordered, or unordered.</li>
						<li><code>types="page"</code> <?php echo $pro_attribute; ?> - List posts or pages (or both) in the order entered. e.g. <code>types="post, page"</code></li>
						<li><code>include=""</code> <?php echo $pro_attribute; ?> - Comma separated list of post IDs to INCLUDE in the sitemap only. Other posts will be ignored.</li>
						<li><code>exclude=""</code> <?php echo $pro_attribute; ?> - Comma separated list of post IDs to exclude from the sitemap.</li>
						<li><code>render=""</code> <?php echo $pro_attribute; ?> - Set to "tab" to display posts in a tabbed layout!</li>
						<li><code>image="false"</code> <?php echo $pro_attribute; ?> - Optionally show the post featured image (if defined) next to each sitemap item.</li>
						<li><code>list_icon="true"</code> <?php echo $pro_attribute; ?> - Optionally display HTML bullet icons.</li>
						<li><code>separator="false"</code> <?php echo $pro_attribute; ?> - Optionally render separator lines inbetween sitemap items.</li>
						<li><code>horizontal="false"</code> <?php echo $pro_attribute; ?> - Set to "true" to display sitemap items in a flat horizontal list. Great for adding a sitemap to the footer!</li>
						<li><code>horizontal_separator=", "</code> <?php echo $pro_attribute; ?> - The character(s) used to separate sitemap items. Use with the 'horizontal' attribute.</li>
						<li><code>nofollow="false"</code> <?php echo $pro_attribute; ?> - Set to "true" to make sitemap links <a href="https://en.wikipedia.org/wiki/Nofollow" target="_blank">nofollow</a>.</li>
						<li><code>numposts="-1"</code> <?php echo $pro_attribute; ?> - Limit the number of posts outputted in the sitemap.</li>
						<li><code>visibility="true"</code> <?php echo $pro_attribute; ?> - Control whether private posts/pages are displayed in the sitemap.</li>
					</ul>

					<p style="margin:30px 0 0 0;"><code><b>[simple-sitemap-group ... ]</b></code></p>

					<ul class="shortcode-attributes">
						<li><code>tax="category"</code> - List posts grouped by categories OR tags ('post_tag').</li>
						<li><code>title_tag=""</code> - Tag used to wrap each sitemap item in a specified tag.</li>
						<li><code>show_excerpt="true"</code> - Optionally show post excerpt (if defined) under each sitemap item.</li>
						<li><code>excerpt_tag=""</code> - Tag used to wrap the post excerpt text.</li>
						<li><code>links="true"</code> - Show sitemap items as links or plain text.</li>
						<li><code>orderby="title"</code> - Value to sort posts by (title, date, author etc.). See the full list <a href="https://codex.wordpress.org/Class_Reference/WP_Query#Order_.26_Orderby_Parameters" target="_blank">here</a>.</li>
						<li><code>order="asc"</code> - List posts for each post type in ascending, or descending order.</li>
						<li><code>post_type_tag="h2"</code> - Tag used to display the post type label.</li>
						<li><code>show_label="true"</code> - Optionally show post type label above the sitemap list of posts.</li>
						<!-- <li><code>page_depth="0"</code> - For the 'page' post type allow the indentation depth to be specified.</li> -->
						<li><code>container_tag="ul"</code> - List type tag, ordered, or unordered.</li>
						<li><code>type="post"</code> <?php echo $pro_attribute; ?> - List posts grouped by taxonomy from ANY post type.</li>
						<li><code>exclude=""</code> <?php echo $pro_attribute; ?> - Comma separated list of post IDs to exclude from the sitemap.</li>
						<li><code>term_orderby="title"</code> <?php echo $pro_attribute; ?> - Order post taxonomy term labels by title etc.</li>
						<li><code>term_order="asc"</code> <?php echo $pro_attribute; ?> - List taxonomy term labels in ascending, or descending order.</li>						
						<li><code>separator="false"</code> <?php echo $pro_attribute; ?> - Optionally render separator lines inbetween sitemap items.</li>
						<li><code>image="false"</code> <?php echo $pro_attribute; ?> - Optionally show the post featured image (if defined) next to each sitemap item.</li>
						<li><code>list_icon="true"</code> <?php echo $pro_attribute; ?> - Optionally display HTML bullet icons.</li>
						<li><code>include_terms=""</code> <?php echo $pro_attribute; ?> - Comma separated list of taxonomy terms to include.</li>
						<li><code>exclude_terms=""</code> <?php echo $pro_attribute; ?> - Comma separated list of taxonomy terms to exclude.</li>
						<li><code>visibility="true"</code> <?php echo $pro_attribute; ?> - Control whether private posts/pages are displayed in the sitemap.</li>
						<li><code>numposts="-1"</code> <?php echo $pro_attribute; ?> - Limit the number of posts outputted in the sitemap.</li>
						<li><code>horizontal="false"</code> <?php echo $pro_attribute; ?> - Set to "true" to display sitemap items in a flat horizontal list. Great for adding a sitemap to the footer!</li>
						<li><code>horizontal_separator=", "</code> <?php echo $pro_attribute; ?> - The character(s) used to separate sitemap items. Use with the 'horizontal' attribute.</li>
						<li><code>nofollow="false"</code> <?php echo $pro_attribute; ?> - Set to "true" to make sitemap links <a href="https://en.wikipedia.org/wiki/Nofollow" target="_blank">nofollow</a>.</li>
					</ul>
				</div>
			</div>

			<div style="margin-top:25px;"></div>

			<table class="form-table">

				<tr valign="top">
					<th scope="row">Like the plugin?</th>
					<td>
						<p>Then why not try <a href="<?php echo $freemius_upgrade_url; ?>">Simple Sitemap Pro</a> to access powerful additional features. Try risk free today with our <span style="font-weight: bold;">100% money back guarantee!</span></p>
						<div><a class="plugin-btn" href="<?php echo $freemius_upgrade_url; ?>">Upgrade to Pro</a></div>
					</td>
				</tr>

				<tr valign="top">
					<th scope="row">Help support this plugin</th>
					<td>
						<div style="float:left;"><a style="margin-right:10px;line-height:0;display:block;" href="<?php echo $freemius_upgrade_url; ?>"><img style="box-shadow:0 10px 16px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19);width:75px;border-radius:2px;border:2px white solid;" src="<?php echo $this->module_roots['pdir']; ?>lib/assets/images/david.png"></a></div>
						<p style="margin-top:0;">Hi there, I'm David. I spend a lot of time developing FREE WordPress plugins like this one. If you like Simple Sitemap and use it on your website please consider making a <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=FBAG4ZHA4TTUC" target="_blank">donation</a>, or purchase the <a href="<?php echo $freemius_upgrade_url; ?>">pro version</a>, to help fund continued development (and keep Dexter in doggy biscuits!).</p>
					</td>
				</tr>

				<tr valign="top">
					<th scope="row">Try our other top plugins!</th>
					<td>
						<table class="other-plugins-tbl">
							<tr><td><a class="plugin-image-link" href="https://wpgoplugins.com/plugins/flexible-faqs/" target="_blank"><img src="<?php echo $this->module_roots['pdir']; ?>shared/images/flexible-faq-thumb.png"></a></td></tr>
							<tr><td class="plugin-text-link"><div><h3><a href="https://wpgoplugins.com/plugins/flexible-faqs/" target="_blank">Flexible FAQs</a></h3></div></td></tr>
						</table>
						<table class="other-plugins-tbl">
							<tr><td><a class="plugin-image-link" href="https://wpgoplugins.com/plugins/content-censor/" target="_blank"><img src="<?php echo $this->module_roots['pdir']; ?>shared/images/content-censor-thumb.png"></a></td></tr>
							<tr><td class="plugin-text-link"><div><h3><a href="https://wpgoplugins.com/plugins/content-censor/" target="_blank">Content Censor</a></h3></div></td></tr>
						</table>
						<table class="other-plugins-tbl">
							<tr><td><a class="plugin-image-link" href="https://wpgoplugins.com/plugins/seo-media-manager/" target="_blank"><img src="<?php echo $this->module_roots['pdir']; ?>shared/images/seo-media-manager-thumb.png"></a></td></tr>
							<tr><td class="plugin-text-link"><div><h3><a href="https://wpgoplugins.com/plugins/seo-media-manager/" target="_blank">SEO Media Manager</a></h3></div></td></tr>
						</table>
					</td>
				</tr>

				<tr valign="top">
					<th scope="row">Read all about it!</th>
					<td>
						<p>Subscribe to our newsletter for news and updates about the latest development work. Be the first to find out about future projects and exclusive promotions.</p>
						<div><a class="plugin-btn" target="_blank" href="http://eepurl.com/bXZmmD">Sign Me Up!</a></div>
					</td>
				</tr>

				<tr valign="top">
					<th scope="row">Keep in touch...</th>
					<td>
						<div><p style="margin-bottom:10px;">Come and say hello. I'd love to hear from you!</p>
							<span><a class="social-link" href="http://www.twitter.com/dgwyer" title="Follow us on Twitter" target="_blank"><img src="<?php echo $this->module_roots['pdir']; ?>shared/images/twitter.png" /></a></span>
							<span><a class="social-link" href="https://www.facebook.com/wpgoplugins/" title="Our Facebook page" target="_blank"><img src="<?php echo $this->module_roots['pdir']; ?>shared/images/facebook.png" /></a></span>
							<span><a class="social-link" href="https://www.youtube.com/channel/UCWzjTLWoyMgtIfpDgJavrTg" title="View our YouTube channel" target="_blank"><img src="<?php echo $this->module_roots['pdir']; ?>shared/images/yt.png" /></a></span>
							<span><a style="text-decoration:none;" title="Need help with ANY aspect of WordPress? We're here to help!" href="https://wpgoplugins.com/need-help-with-wordpress/" target="_blank"><span style="margin-left:-2px;color:#d41515;font-size:39px;line-height:32px;width:39px;height:39px;" class="dashicons dashicons-sos"></span></a></span>
						</div>
					</td>
				</tr>

				<tr><td colspan="2" style="padding:0;"><div style="margin-bottom:20px;margin-top:15px;">Please <a href="https://wpgoplugins.com/contact" target="_blank">report</a> any plugin issues, or suggest additional features. <span style="font-weight:bold;">All feedback welcome!</span></div>
					</td></tr>

			</table>

		</div>
		<?php
	}

	/**
	 * Get URL of current page.
	 *
	 * @since 0.1.0
	 */
	public static function currURL() {

		return (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? 
		"https" : "http") . "://" . $_SERVER['HTTP_HOST'] .  
		$_SERVER['REQUEST_URI']; 
	}

	/**
	 * Get plugin option default settings.
	 *
	 * @since 0.1.0
	 */
	public static function get_default_plugin_options() {

		$defaults = array();

		// setup an array to store list of checkboxes that have a checkbox default set to 1
		$defaults["default_on_checkboxes"] = array();

		/* Add plugin specific default settings via this filter hook. */
		return WPGO_Simple_Sitemap_Hooks::simple_sitemap_defaults($defaults);
	}

	/**
	 * Get current plugin options.
	 *
	 * Merges plugin options with the defaults to ensure any gaps are filled.
	 * i.e. when adding new options.
	 *
	 */
	public static function get_plugin_options() {

		$options = get_option( 'simple_sitemap_options' );
		$defaults = self::get_default_plugin_options();

		// store the OFF checkboxes array
		$default_on_checkboxes_arr = $defaults["default_on_checkboxes"];

		// remove the OFF checkboxes array from the main defaults array
		unset($defaults["default_on_checkboxes"]);

		if( is_array($options) ) {
			// merge OFF checkboxes into main options array to add entries for empty checkboxes
			$options = array_merge( $default_on_checkboxes_arr, $options );
		}

		return wp_parse_args(
			$options,
			$defaults
		);

		//return wp_parse_args(
		//	get_option( 'simple_sitemap_options' ),
		//	self::get_default_plugin_options()
		//);
	}
}